Merge branch 'develop' into nfsio_remount_fix

* Change to ccMessage from cc-lib

* Remove local development path

* Use receiver, sinks, ccLogger and ccConfig from cc-lib

* Fix ccLogger import path

* Update CI

.github/dependabot.yml

@@ -1,11 +0,0 @@
-# To get started with Dependabot version updates, you'll need to specify which
-# package ecosystems to update and where the package manifests are located.
-# Please see the documentation for all configuration options:
-# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
-
-version: 2
-updates:
-  - package-ecosystem: "gomod"
-    directory: "/"
-    schedule:
-      interval: "weekly"

.github/workflows/Release.yml

@@ -5,10 +5,10 @@ name: Release
 
 # Run on tag push
 on:
-  push:
-    tags:
-    - '**'
-  workflow_dispatch:
+ push:
+  tags:
+  - '**'
+ workflow_dispatch:
 
 jobs:
 
@@ -36,14 +36,22 @@ jobs:
     # fetch-depth must be 0 to use git describe
     # See: https://github.com/marketplace/actions/checkout
     - name: Checkout
-      uses: actions/checkout@v6
+      uses: actions/checkout@v4
       with:
         submodules: recursive
         fetch-depth: 0
 
+    # - name: Setup Golang
+    #   uses: actions/setup-go@v5
+    #   with:
+    #     go-version: 'stable'
     - name: Setup Golang
       run: |
-          dnf --assumeyes --disableplugin=subscription-manager --enablerepo appstream install go-toolset
+          dnf --assumeyes --disableplugin=subscription-manager install \
+              https://repo.almalinux.org/almalinux/8/AppStream/x86_64/os/Packages/go-toolset-1.22.9-1.module_el8.10.0+3938+8c723e16.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/8/AppStream/x86_64/os/Packages/golang-1.22.9-1.module_el8.10.0+3938+8c723e16.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/8/AppStream/x86_64/os/Packages/golang-bin-1.22.9-1.module_el8.10.0+3938+8c723e16.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/8/AppStream/x86_64/os/Packages/golang-src-1.22.9-1.module_el8.10.0+3938+8c723e16.noarch.rpm
 
     - name: RPM build MetricCollector
       id: rpmbuild
@@ -70,13 +78,13 @@ jobs:
 
     # See: https://github.com/actions/upload-artifact
     - name: Save RPM as artifact
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v4
       with:
         name: cc-metric-collector RPM for AlmaLinux 8
         path: ${{ steps.rpmrename.outputs.RPM }}
         overwrite: true
     - name: Save SRPM as artifact
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v4
       with:
         name: cc-metric-collector SRPM for AlmaLinux 8
         path: ${{ steps.rpmrename.outputs.SRPM }}
@@ -106,14 +114,23 @@ jobs:
     # fetch-depth must be 0 to use git describe
     # See: https://github.com/marketplace/actions/checkout
     - name: Checkout
-      uses: actions/checkout@v6
+      uses: actions/checkout@v4
       with:
         submodules: recursive
         fetch-depth: 0
 
+    # - name: Setup Golang
+    #   uses: actions/setup-go@v5
+    #   with:
+    #     go-version: 'stable'
     - name: Setup Golang
       run: |
-          dnf --assumeyes --disableplugin=subscription-manager --enablerepo appstream install go-toolset
+          dnf --assumeyes --disableplugin=subscription-manager install \
+              https://repo.almalinux.org/almalinux/9/AppStream/x86_64/os/Packages/go-toolset-1.22.7-2.el9_5.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/9/AppStream/x86_64/os/Packages/golang-1.22.7-2.el9_5.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/9/AppStream/x86_64/os/Packages/golang-bin-1.22.7-2.el9_5.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/9/AppStream/x86_64/os/Packages/golang-src-1.22.7-2.el9_5.noarch.rpm \
+              https://repo.almalinux.org/almalinux/9/AppStream/x86_64/os/Packages/golang-race-1.22.7-2.el9_5.x86_64.rpm
 
     - name: RPM build MetricCollector
       id: rpmbuild
@@ -140,26 +157,25 @@ jobs:
 
     # See: https://github.com/actions/upload-artifact
     - name: Save RPM as artifact
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v4
       with:
         name: cc-metric-collector RPM for AlmaLinux 9
         path: ${{ steps.rpmrename.outputs.RPM }}
         overwrite: true
     - name: Save SRPM as artifact
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v4
       with:
         name: cc-metric-collector SRPM for AlmaLinux 9
         path: ${{ steps.rpmrename.outputs.SRPM }}
         overwrite: true
 
   #
-  # Build on Red Hat Universal Base Image (UBI 8) using go-toolset
+  # Build on UBI 8 using go-toolset
   #
   UBI-8-RPM-build:
     runs-on: ubuntu-latest
-    # See: https://catalog.redhat.com/en/search?searchType=Containers&q=Red+Hat+Universal+Base+Image+8
-    #      https://hub.docker.com/r/redhat/ubi8
-    container: redhat/ubi8
+    # See: https://catalog.redhat.com/software/containers/ubi8/ubi/5c35984d70cc534b3a3784e?container-tabs=gti
+    container: registry.access.redhat.com/ubi8/ubi:8.8-1032.1692772289
     # The job outputs link to the outputs of the 'rpmbuild' step
     outputs:
       rpm : ${{steps.rpmbuild.outputs.RPM}}
@@ -174,14 +190,22 @@ jobs:
     # fetch-depth must be 0 to use git describe
     # See: https://github.com/marketplace/actions/checkout
     - name: Checkout
-      uses: actions/checkout@v6
+      uses: actions/checkout@v4
       with:
         submodules: recursive
         fetch-depth: 0
 
+    # - name: Setup Golang
+    #   uses: actions/setup-go@v5
+    #   with:
+    #     go-version: 'stable'
     - name: Setup Golang
       run: |
-          dnf --assumeyes --disableplugin=subscription-manager --enablerepo ubi-8-appstream-rpms install go-toolset
+          dnf --assumeyes --disableplugin=subscription-manager install \
+              https://repo.almalinux.org/almalinux/8/AppStream/x86_64/os/Packages/go-toolset-1.22.9-1.module_el8.10.0+3938+8c723e16.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/8/AppStream/x86_64/os/Packages/golang-1.22.9-1.module_el8.10.0+3938+8c723e16.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/8/AppStream/x86_64/os/Packages/golang-bin-1.22.9-1.module_el8.10.0+3938+8c723e16.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/8/AppStream/x86_64/os/Packages/golang-src-1.22.9-1.module_el8.10.0+3938+8c723e16.noarch.rpm
 
     - name: RPM build MetricCollector
       id: rpmbuild
@@ -191,25 +215,24 @@ jobs:
 
     # See: https://github.com/actions/upload-artifact
     - name: Save RPM as artifact
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v4
       with:
         name: cc-metric-collector RPM for UBI 8
         path: ${{ steps.rpmbuild.outputs.RPM }}
         overwrite: true
     - name: Save SRPM as artifact
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v4
       with:
         name: cc-metric-collector SRPM for UBI 8
         path: ${{ steps.rpmbuild.outputs.SRPM }}
         overwrite: true
 
   #
-  # Build on Red Hat Universal Base Image (UBI 9) using go-toolset
+  # Build on UBI 9 using go-toolset
   #
   UBI-9-RPM-build:
     runs-on: ubuntu-latest
-    # See: https://catalog.redhat.com/en/search?searchType=Containers&q=Red+Hat+Universal+Base+Image+9
-    #      https://hub.docker.com/r/redhat/ubi9
+    # See: https://catalog.redhat.com/software/containers/ubi8/ubi/5c359854d70cc534b3a3784e?container-tabs=gti
     container: redhat/ubi9
     # The job outputs link to the outputs of the 'rpmbuild' step
     # The job outputs link to the outputs of the 'rpmbuild' step
@@ -220,20 +243,30 @@ jobs:
 
     # Use dnf to install development packages
     - name: Install development packages
-      run: dnf --assumeyes --disableplugin=subscription-manager install rpm-build go-srpm-macros gcc make python39 git wget openssl-devel diffutils delve
+      run: dnf --assumeyes --disableplugin=subscription-manager install rpm-build go-srpm-macros gcc make python39 git wget openssl-devel diffutils delve 
 
     # Checkout git repository and submodules
     # fetch-depth must be 0 to use git describe
     # See: https://github.com/marketplace/actions/checkout
     - name: Checkout
-      uses: actions/checkout@v6
+      uses: actions/checkout@v4
       with:
         submodules: recursive
         fetch-depth: 0
 
+    # See: https://github.com/marketplace/actions/setup-go-environment
+    # - name: Setup Golang
+    #   uses: actions/setup-go@v5
+    #   with:
+    #     go-version: 'stable'
     - name: Setup Golang
       run: |
-          dnf --assumeyes --disableplugin=subscription-manager --enablerepo ubi-9-appstream-rpms install go-toolset
+          dnf --assumeyes --disableplugin=subscription-manager install \
+              https://repo.almalinux.org/almalinux/9/AppStream/x86_64/os/Packages/go-toolset-1.22.7-2.el9_5.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/9/AppStream/x86_64/os/Packages/golang-1.22.7-2.el9_5.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/9/AppStream/x86_64/os/Packages/golang-bin-1.22.7-2.el9_5.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/9/AppStream/x86_64/os/Packages/golang-src-1.22.7-2.el9_5.noarch.rpm \
+              https://repo.almalinux.org/almalinux/9/AppStream/x86_64/os/Packages/golang-race-1.22.7-2.el9_5.x86_64.rpm
 
     - name: RPM build MetricCollector
       id: rpmbuild
@@ -243,13 +276,13 @@ jobs:
 
     # See: https://github.com/actions/upload-artifact
     - name: Save RPM as artifact
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v4
       with:
         name: cc-metric-collector RPM for UBI 9
         path: ${{ steps.rpmbuild.outputs.RPM }}
         overwrite: true
     - name: Save SRPM as artifact
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v4
       with:
         name: cc-metric-collector SRPM for UBI 9
         path: ${{ steps.rpmbuild.outputs.SRPM }}
@@ -275,14 +308,13 @@ jobs:
     # fetch-depth must be 0 to use git describe
     # See: https://github.com/marketplace/actions/checkout
     - name: Checkout
-      uses: actions/checkout@v6
+      uses: actions/checkout@v4
       with:
         submodules: recursive
         fetch-depth: 0
-    # Use official golang package
-    # See: https://github.com/marketplace/actions/setup-go-environment
+
     - name: Setup Golang
-      uses: actions/setup-go@v6
+      uses: actions/setup-go@v5
       with:
         go-version: 'stable'
 
@@ -300,13 +332,13 @@ jobs:
         echo "DEB=${NEW_DEB_FILE}" >> $GITHUB_OUTPUT
     # See: https://github.com/actions/upload-artifact
     - name: Save DEB as artifact
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v4
       with:
         name: cc-metric-collector DEB for Ubuntu 22.04
         path: ${{ steps.debrename.outputs.DEB }}
         overwrite: true
 
-  #
+ #
   # Build on Ubuntu 24.04 using official go package
   #
   Ubuntu-noblenumbat-build:
@@ -326,14 +358,13 @@ jobs:
     # fetch-depth must be 0 to use git describe
     # See: https://github.com/marketplace/actions/checkout
     - name: Checkout
-      uses: actions/checkout@v6
+      uses: actions/checkout@v4
       with:
         submodules: recursive
         fetch-depth: 0
-    # Use official golang package
-    # See: https://github.com/marketplace/actions/setup-go-environment
+
     - name: Setup Golang
-      uses: actions/setup-go@v6
+      uses: actions/setup-go@v5
       with:
         go-version: 'stable'
 
@@ -351,7 +382,7 @@ jobs:
         echo "DEB=${NEW_DEB_FILE}" >> $GITHUB_OUTPUT
     # See: https://github.com/actions/upload-artifact
     - name: Save DEB as artifact
-      uses: actions/upload-artifact@v6
+      uses: actions/upload-artifact@v4
       with:
         name: cc-metric-collector DEB for Ubuntu 24.04
         path: ${{ steps.debrename.outputs.DEB }}
@@ -369,48 +400,48 @@ jobs:
     steps:
     # See: https://github.com/actions/download-artifact
     - name: Download AlmaLinux 8 RPM
-      uses: actions/download-artifact@v7
+      uses: actions/download-artifact@v4
       with:
         name: cc-metric-collector RPM for AlmaLinux 8
     - name: Download AlmaLinux 8 SRPM
-      uses: actions/download-artifact@v7
+      uses: actions/download-artifact@v4
       with:
         name: cc-metric-collector SRPM for AlmaLinux 8
 
     - name: Download AlmaLinux 9 RPM
-      uses: actions/download-artifact@v7
+      uses: actions/download-artifact@v4
       with:
         name: cc-metric-collector RPM for AlmaLinux 9
     - name: Download AlmaLinux 9 SRPM
-      uses: actions/download-artifact@v7
+      uses: actions/download-artifact@v4
       with:
         name: cc-metric-collector SRPM for AlmaLinux 9
 
     - name: Download UBI 8 RPM
-      uses: actions/download-artifact@v7
+      uses: actions/download-artifact@v4
       with:
         name: cc-metric-collector RPM for UBI 8
     - name: Download UBI 8 SRPM
-      uses: actions/download-artifact@v7
+      uses: actions/download-artifact@v4
       with:
         name: cc-metric-collector SRPM for UBI 8
 
     - name: Download UBI 9 RPM
-      uses: actions/download-artifact@v7
+      uses: actions/download-artifact@v4
       with:
         name: cc-metric-collector RPM for UBI 9
     - name: Download UBI 9 SRPM
-      uses: actions/download-artifact@v7
+      uses: actions/download-artifact@v4
       with:
         name: cc-metric-collector SRPM for UBI 9
 
     - name: Download Ubuntu 22.04 DEB
-      uses: actions/download-artifact@v7
+      uses: actions/download-artifact@v4
       with:
         name: cc-metric-collector DEB for Ubuntu 22.04
 
     - name: Download Ubuntu 24.04 DEB
-      uses: actions/download-artifact@v7
+      uses: actions/download-artifact@v4
       with:
         name: cc-metric-collector DEB for Ubuntu 24.04
 

.github/workflows/runonce.yml

@@ -20,41 +20,25 @@ jobs:
     # See: https://github.com/marketplace/actions/checkout
     # Checkout git repository and submodules
     - name: Checkout
-      uses: actions/checkout@v6
+      uses: actions/checkout@v4
       with:
         submodules: recursive
 
     # See: https://github.com/marketplace/actions/setup-go-environment
     - name: Setup Golang
-      uses: actions/setup-go@v6
+      uses: actions/setup-go@v5
       with:
-        go-version: 'stable'
+        go-version: '1.21'
         check-latest: true
 
-    - name: Install reviewdog
-      run: |
-        go install github.com/reviewdog/reviewdog/cmd/reviewdog@latest
-
-    # See: https://golangci-lint.run
-    - name: Install GolangCI-Lint
-      run: |
-        go install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@latest
-
     - name: Build MetricCollector
       run: make
 
     - name: Run MetricCollector once
       run: ./cc-metric-collector --once --config .github/ci-config.json
 
-    # Running the linter requires likwid.h, which gets downloaded in the build step
-    - name: Static Analysis with GolangCI-Lint and Upload Report with reviewdog
-      run: |
-        golangci-lint run --enable modernize,staticcheck,govet | reviewdog -f=golangci-lint -name "Check golangci-lint on build-latest" -reporter=github-check -filter-mode=nofilter -fail-level none
-      env:
-        REVIEWDOG_GITHUB_API_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
   #
-  # Build on AlmaLinux 8 using go-toolset
+  # Build on AlmaLinux 8
   #
   AlmaLinux8-RPM-build:
     runs-on: ubuntu-latest
@@ -74,14 +58,23 @@ jobs:
     # fetch-depth must be 0 to use git describe
     # See: https://github.com/marketplace/actions/checkout
     - name: Checkout
-      uses: actions/checkout@v6
+      uses: actions/checkout@v4
       with:
         submodules: recursive
         fetch-depth: 0
 
+    # See: https://github.com/marketplace/actions/setup-go-environment
+    # - name: Setup Golang
+    #   uses: actions/setup-go@v5
+    #   with:
+    #     go-version: 'stable'
     - name: Setup Golang
       run: |
-          dnf --assumeyes --disableplugin=subscription-manager --enablerepo appstream install go-toolset
+          dnf --assumeyes --disableplugin=subscription-manager install \
+              https://repo.almalinux.org/almalinux/8/AppStream/x86_64/os/Packages/go-toolset-1.22.9-1.module_el8.10.0+3938+8c723e16.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/8/AppStream/x86_64/os/Packages/golang-1.22.9-1.module_el8.10.0+3938+8c723e16.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/8/AppStream/x86_64/os/Packages/golang-bin-1.22.9-1.module_el8.10.0+3938+8c723e16.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/8/AppStream/x86_64/os/Packages/golang-src-1.22.9-1.module_el8.10.0+3938+8c723e16.noarch.rpm
 
     - name: RPM build MetricCollector
       id: rpmbuild
@@ -90,7 +83,7 @@ jobs:
           make RPM
 
   #
-  # Build on AlmaLinux 9 using go-toolset
+  # Build on AlmaLinux 9
   #
   AlmaLinux9-RPM-build:
     runs-on: ubuntu-latest
@@ -110,14 +103,24 @@ jobs:
     # fetch-depth must be 0 to use git describe
     # See: https://github.com/marketplace/actions/checkout
     - name: Checkout
-      uses: actions/checkout@v6
+      uses: actions/checkout@v4
       with:
         submodules: recursive
         fetch-depth: 0
 
+    # See: https://github.com/marketplace/actions/setup-go-environment
+    # - name: Setup Golang
+    #   uses: actions/setup-go@v5
+    #   with:
+    #     go-version: 'stable'
     - name: Setup Golang
       run: |
-          dnf --assumeyes --disableplugin=subscription-manager --enablerepo appstream install go-toolset
+          dnf --assumeyes --disableplugin=subscription-manager install \
+              https://repo.almalinux.org/almalinux/9/AppStream/x86_64/os/Packages/go-toolset-1.22.7-2.el9_5.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/9/AppStream/x86_64/os/Packages/golang-1.22.7-2.el9_5.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/9/AppStream/x86_64/os/Packages/golang-bin-1.22.7-2.el9_5.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/9/AppStream/x86_64/os/Packages/golang-src-1.22.7-2.el9_5.noarch.rpm \
+              https://repo.almalinux.org/almalinux/9/AppStream/x86_64/os/Packages/golang-race-1.22.7-2.el9_5.x86_64.rpm
 
     - name: RPM build MetricCollector
       id: rpmbuild
@@ -125,49 +128,13 @@ jobs:
           git config --global --add safe.directory /__w/cc-metric-collector/cc-metric-collector
           make RPM
 
-  #
-  # Build on AlmaLinux 10 using go-toolset
-  #
-  AlmaLinux10-RPM-build:
-    runs-on: ubuntu-latest
-    # See: https://hub.docker.com/_/almalinux
-    container: almalinux:10
-    # The job outputs link to the outputs of the 'rpmrename' step
-    # Only job outputs can be used in child jobs
-    steps:
-
-    # Use dnf to install development packages
-    - name: Install development packages
-      run: |
-          dnf --assumeyes group install "Development Tools" "RPM Development Tools"
-          dnf --assumeyes install wget openssl-devel diffutils delve which
-
-    # Checkout git repository and submodules
-    # fetch-depth must be 0 to use git describe
-    # See: https://github.com/marketplace/actions/checkout
-    - name: Checkout
-      uses: actions/checkout@v6
-      with:
-        submodules: recursive
-        fetch-depth: 0
-
-    - name: Setup Golang
-      run: |
-          dnf --assumeyes --disableplugin=subscription-manager --enablerepo appstream install go-toolset
-
-    - name: RPM build MetricCollector
-      id: rpmbuild
-      run: |
-          git config --global --add safe.directory /__w/cc-metric-collector/cc-metric-collector
-          make RPM
 
   #
-  # Build on Red Hat Universal Base Image (UBI 8) using go-toolset
+  # Build on UBI 8 using go-toolset
   #
   UBI-8-RPM-build:
     runs-on: ubuntu-latest
-    # See: https://catalog.redhat.com/en/search?searchType=Containers&q=Red+Hat+Universal+Base+Image+8
-    #      https://hub.docker.com/r/redhat/ubi8
+    # See: https://catalog.redhat.com/software/containers/ubi8/ubi/5c359854d70cc534b3a3784e?container-tabs=gti
     container: redhat/ubi8
     # The job outputs link to the outputs of the 'rpmbuild' step
     steps:
@@ -180,14 +147,23 @@ jobs:
     # fetch-depth must be 0 to use git describe
     # See: https://github.com/marketplace/actions/checkout
     - name: Checkout
-      uses: actions/checkout@v6
+      uses: actions/checkout@v4
       with:
         submodules: recursive
         fetch-depth: 0
 
+    # See: https://github.com/marketplace/actions/setup-go-environment
+    # - name: Setup Golang
+    #   uses: actions/setup-go@v5
+    #   with:
+    #     go-version: 'stable'
     - name: Setup Golang
       run: |
-          dnf --assumeyes --disableplugin=subscription-manager --enablerepo ubi-8-appstream-rpms install go-toolset
+          dnf --assumeyes --disableplugin=subscription-manager install \
+              https://repo.almalinux.org/almalinux/8/AppStream/x86_64/os/Packages/go-toolset-1.22.9-1.module_el8.10.0+3938+8c723e16.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/8/AppStream/x86_64/os/Packages/golang-1.22.9-1.module_el8.10.0+3938+8c723e16.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/8/AppStream/x86_64/os/Packages/golang-bin-1.22.9-1.module_el8.10.0+3938+8c723e16.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/8/AppStream/x86_64/os/Packages/golang-src-1.22.9-1.module_el8.10.0+3938+8c723e16.noarch.rpm
 
     - name: RPM build MetricCollector
       id: rpmbuild
@@ -196,12 +172,11 @@ jobs:
           make RPM
 
   #
-  # Build on Red Hat Universal Base Image (UBI 9) using go-toolset
+  # Build on UBI 9 using go-toolset
   #
   UBI-9-RPM-build:
     runs-on: ubuntu-latest
-    # See: https://catalog.redhat.com/en/search?searchType=Containers&q=Red+Hat+Universal+Base+Image+9
-    #      https://hub.docker.com/r/redhat/ubi9
+    # See: https://catalog.redhat.com/software/containers/ubi8/ubi/5c359854d70cc534b3a3784e?container-tabs=gti
     container: redhat/ubi9
     # The job outputs link to the outputs of the 'rpmbuild' step
     steps:
@@ -214,48 +189,24 @@ jobs:
     # fetch-depth must be 0 to use git describe
     # See: https://github.com/marketplace/actions/checkout
     - name: Checkout
-      uses: actions/checkout@v6
+      uses: actions/checkout@v4
       with:
         submodules: recursive
         fetch-depth: 0
 
+    # See: https://github.com/marketplace/actions/setup-go-environment
+    # - name: Setup Golang
+    #   uses: actions/setup-go@v5
+    #   with:
+    #     go-version: 'stable'
     - name: Setup Golang
       run: |
-          dnf --assumeyes --disableplugin=subscription-manager --enablerepo ubi-9-appstream-rpms install go-toolset
-
-    - name: RPM build MetricCollector
-      id: rpmbuild
-      run: |
-          git config --global --add safe.directory /__w/cc-metric-collector/cc-metric-collector
-          make RPM
-
-  #
-  # Build on Red Hat Universal Base Image (UBI 10) using go-toolset
-  #
-  UBI-10-RPM-build:
-    runs-on: ubuntu-latest
-    # See: https://catalog.redhat.com/en/search?searchType=Containers&q=Red+Hat+Universal+Base+Image+10
-    #      https://hub.docker.com/r/redhat/ubi10
-    container: redhat/ubi10
-    # The job outputs link to the outputs of the 'rpmbuild' step
-    steps:
-
-    # Use dnf to install development packages
-    - name: Install development packages
-      run: dnf --assumeyes --disableplugin=subscription-manager install rpm-build go-srpm-macros gcc make python3 git wget openssl-devel diffutils delve
-
-    # Checkout git repository and submodules
-    # fetch-depth must be 0 to use git describe
-    # See: https://github.com/marketplace/actions/checkout
-    - name: Checkout
-      uses: actions/checkout@v6
-      with:
-        submodules: recursive
-        fetch-depth: 0
-
-    - name: Setup Golang
-      run: |
-          dnf --assumeyes --disableplugin=subscription-manager --enablerepo ubi-10-for-x86_64-appstream-rpms install go-toolset
+          dnf --assumeyes --disableplugin=subscription-manager install \
+              https://repo.almalinux.org/almalinux/9/AppStream/x86_64/os/Packages/go-toolset-1.22.7-2.el9_5.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/9/AppStream/x86_64/os/Packages/golang-1.22.7-2.el9_5.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/9/AppStream/x86_64/os/Packages/golang-bin-1.22.7-2.el9_5.x86_64.rpm \
+              https://repo.almalinux.org/almalinux/9/AppStream/x86_64/os/Packages/golang-src-1.22.7-2.el9_5.noarch.rpm \
+              https://repo.almalinux.org/almalinux/9/AppStream/x86_64/os/Packages/golang-race-1.22.7-2.el9_5.x86_64.rpm
 
     - name: RPM build MetricCollector
       id: rpmbuild
@@ -280,14 +231,14 @@ jobs:
     # fetch-depth must be 0 to use git describe
     # See: https://github.com/marketplace/actions/checkout
     - name: Checkout
-      uses: actions/checkout@v6
+      uses: actions/checkout@v4
       with:
         submodules: recursive
         fetch-depth: 0
     # Use official golang package
     # See: https://github.com/marketplace/actions/setup-go-environment
     - name: Setup Golang
-      uses: actions/setup-go@v6
+      uses: actions/setup-go@v5
       with:
         go-version: 'stable'
 
@@ -314,14 +265,14 @@ jobs:
     # fetch-depth must be 0 to use git describe
     # See: https://github.com/marketplace/actions/checkout
     - name: Checkout
-      uses: actions/checkout@v6
+      uses: actions/checkout@v4
       with:
         submodules: recursive
         fetch-depth: 0
     # Use official golang package
     # See: https://github.com/marketplace/actions/setup-go-environment
     - name: Setup Golang
-      uses: actions/setup-go@v6
+      uses: actions/setup-go@v5
       with:
         go-version: 'stable'
 

Makefile

@@ -72,11 +72,6 @@ staticcheck:
 	$(GOBIN) install honnef.co/go/tools/cmd/staticcheck@latest
 	$$($(GOBIN) env GOPATH)/bin/staticcheck ./...
 
-.PHONY: golangci-lint
-golangci-lint:
-	$(GOBIN) install github.com/golangci/golangci-lint/v2/cmd/golangci-lint@latest
-	$$($(GOBIN) env GOPATH)/bin/golangci-lint run
-
 .ONESHELL:
 .PHONY: RPM
 RPM: scripts/cc-metric-collector.spec

README.md

@@ -1,17 +1,6 @@
-<!--
----
-title: cc-metric-collector
-description: Metric collecting node agent
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/_index.md
----
--->
-
 # cc-metric-collector
 
-A node agent for measuring, processing and forwarding node level metrics. It is part of the [ClusterCockpit ecosystem](https://clustercockpit.org/docs/overview/).
+A node agent for measuring, processing and forwarding node level metrics. It is part of the [ClusterCockpit ecosystem](./docs/introduction.md).
 
 The metric collector sends (and receives) metric in the [InfluxDB line protocol](https://docs.influxdata.com/influxdb/cloud/reference/syntax/line-protocol/) as it provides flexibility while providing a separation between tags (like index columns in relational databases) and fields (like data columns).
 
@@ -32,14 +21,12 @@ There is a main configuration file with basic settings that point to the other c
 
 ``` json
 {
-  "sinks-file": "sinks.json",
-  "collectors-file" : "collectors.json",
-  "receivers-file" : "receivers.json",
-  "router-file" : "router.json",
-  "main": {
-    "interval": "10s",
-    "duration": "1s"
-  }
+  "sinks": "sinks.json",
+  "collectors" : "collectors.json",
+  "receivers" : "receivers.json",
+  "router" : "router.json",
+  "interval": "10s",
+  "duration": "1s"
 }
 ```
 
@@ -48,8 +35,8 @@ The `interval` defines how often the metrics should be read and send to the sink
 See the component READMEs for their configuration:
 
 * [`collectors`](./collectors/README.md)
-* [`sinks`](https://github.com/ClusterCockpit/cc-lib/blob/main/sinks/README.md)
-* [`receivers`](https://github.com/ClusterCockpit/cc-lib/blob/main/receivers/README.md)
+* [`sinks`](./sinks/README.md)
+* [`receivers`](./receivers/README.md)
 * [`router`](./internal/metricRouter/README.md)
 
 # Installation

cc-metric-collector.go

@@ -1,10 +1,3 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package main
 
 import (
@@ -14,17 +7,17 @@ import (
 	"os/signal"
 	"syscall"
 
-	"github.com/ClusterCockpit/cc-lib/v2/receivers"
-	"github.com/ClusterCockpit/cc-lib/v2/sinks"
+	"github.com/ClusterCockpit/cc-lib/receivers"
+	"github.com/ClusterCockpit/cc-lib/sinks"
 	"github.com/ClusterCockpit/cc-metric-collector/collectors"
 
 	//	"strings"
 	"sync"
 	"time"
 
-	ccconf "github.com/ClusterCockpit/cc-lib/v2/ccConfig"
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	ccconf "github.com/ClusterCockpit/cc-lib/ccConfig"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 	mr "github.com/ClusterCockpit/cc-metric-collector/internal/metricRouter"
 	mct "github.com/ClusterCockpit/cc-metric-collector/pkg/multiChanTicker"
 )

collectors.json

@@ -1,19 +1,6 @@
 {
     "cpufreq": {},
     "cpufreq_cpuinfo": {},
-    "cpustat": {
-        "exclude_metrics": [
-            "cpu_idle"
-        ]
-    },
-    "diskstat": {
-        "exclude_metrics": [
-            "disk_total"
-        ],
-        "exclude_mounts": [
-            "slurm-tmpfs"
-        ]
-    },
     "gpfs": {
         "exclude_filesystem": [
             "test_fs"
@@ -34,8 +21,6 @@
     },
     "numastats": {},
     "nvidia": {},
-    "schedstat": {
-    },
     "tempstat": {
         "report_max_temperature": true,
         "report_critical_temperature": true,
@@ -53,4 +38,4 @@
     "topprocs": {
         "num_procs": 5
     }
-}
+}

collectors/README.md

@@ -1,14 +1,3 @@
-<!--
----
-title: Metric Collectors
-description: Metric collectors for cc-metric-collector
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/_index.md
----
--->
-
 # CCMetric collectors
 
 This folder contains the collectors for the cc-metric-collector.
@@ -34,6 +23,7 @@ In contrast to the configuration files for sinks and receivers, the collectors c
 * [`loadavg`](./loadavgMetric.md)
 * [`netstat`](./netstatMetric.md)
 * [`ibstat`](./infinibandMetric.md)
+* [`ibstat_perfquery`](./infinibandPerfQueryMetric.md)
 * [`tempstat`](./tempMetric.md)
 * [`lustrestat`](./lustreMetric.md)
 * [`likwid`](./likwidMetric.md)
@@ -43,16 +33,13 @@ In contrast to the configuration files for sinks and receivers, the collectors c
 * [`topprocs`](./topprocsMetric.md)
 * [`nfs3stat`](./nfs3Metric.md)
 * [`nfs4stat`](./nfs4Metric.md)
-* [`nfsiostat`](./nfsiostatMetric.md)
 * [`cpufreq`](./cpufreqMetric.md)
 * [`cpufreq_cpuinfo`](./cpufreqCpuinfoMetric.md)
-* [`schedstat`](./schedstatMetric.md)
 * [`numastats`](./numastatsMetric.md)
 * [`gpfs`](./gpfsMetric.md)
 * [`beegfs_meta`](./beegfsmetaMetric.md)
 * [`beegfs_storage`](./beegfsstorageMetric.md)
 * [`rocm_smi`](./rocmsmiMetric.md)
-* [`slurm_cgroup`](./slurmCgroupMetric.md)
 
 ## Todos
 
@@ -64,10 +51,10 @@ A collector reads data from any source, parses it to metrics and submits these m
 * `Name() string`: Return the name of the collector
 * `Init(config json.RawMessage) error`: Initializes the collector using the given collector-specific config in JSON. Check if needed files/commands exists, ...
 * `Initialized() bool`: Check if a collector is successfully initialized
-* `Read(duration time.Duration, output chan ccMessage.CCMessage)`: Read, parse and submit data to the `output` channel as [`CCMessage`](https://github.com/ClusterCockpit/cc-lib/blob/main/ccMessage/README.md). If the collector has to measure anything for some duration, use the provided function argument `duration`.
+* `Read(duration time.Duration, output chan ccMetric.CCMetric)`: Read, parse and submit data to the `output` channel as [`CCMetric`](../internal/ccMetric/README.md). If the collector has to measure anything for some duration, use the provided function argument `duration`.
 * `Close()`: Closes down the collector.
 
-It is recommended to call `setup()` in the `Init()` function.
+It is recommanded to call `setup()` in the `Init()` function.
 
 Finally, the collector needs to be registered in the `collectorManager.go`. There is a list of collectors called `AvailableCollectors` which is a map (`collector_type_string` -> `pointer to MetricCollector interface`). Add a new entry with a descriptive name and the new collector.
 
@@ -100,12 +87,11 @@ func (m *SampleCollector) Init(config json.RawMessage) error {
     }
 
     m.name = "SampleCollector"
-    if err := m.setup(); err != nil {
-        return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-    }
+    m.setup()
     if len(config) > 0 {
-        if err := json.Unmarshal(config, &m.config); err != nil {
-            return fmt.Errorf("%s Init(): json.Unmarshal() call failed: %w", m.name, err)
+        err := json.Unmarshal(config, &m.config)
+        if err != nil {
+            return err
         }
     }
     m.meta = map[string]string{"source": m.name, "group": "Sample"}

collectors/beegfsmetaMetric.go

@@ -1,10 +1,3 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
@@ -17,13 +10,12 @@ import (
 	"os/exec"
 	"os/user"
 	"regexp"
-	"slices"
 	"strconv"
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 )
 
 const DEFAULT_BEEGFS_CMD = "beegfs-ctl"
@@ -62,9 +54,7 @@ func (m *BeegfsMetaCollector) Init(config json.RawMessage) error {
 		"rmXA", "setXA", "mirror"}
 
 	m.name = "BeegfsMetaCollector"
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	m.parallel = true
 	// Set default beegfs-ctl binary
 
@@ -81,7 +71,8 @@ func (m *BeegfsMetaCollector) Init(config json.RawMessage) error {
 	//create map with possible variables
 	m.matches = make(map[string]string)
 	for _, value := range nodeMdstat_array {
-		if slices.Contains(m.config.ExcludeMetrics, value) {
+		_, skip := stringArrayContains(m.config.ExcludeMetrics, value)
+		if skip {
 			m.matches["other"] = "0"
 		} else {
 			m.matches["beegfs_cmeta_"+value] = "0"
@@ -225,7 +216,7 @@ func (m *BeegfsMetaCollector) Read(interval time.Duration, output chan lp.CCMess
 
 			for key, data := range m.matches {
 				value, _ := strconv.ParseFloat(data, 32)
-				y, err := lp.NewMessage(key, m.tags, m.meta, map[string]any{"value": value}, time.Now())
+				y, err := lp.NewMessage(key, m.tags, m.meta, map[string]interface{}{"value": value}, time.Now())
 				if err == nil {
 					output <- y
 				}

collectors/beegfsmetaMetric.md

@@ -1,17 +1,5 @@
-<!--
----
-title: BeeGFS metadata metric collector
-description: Collect metadata clientstats for `BeeGFS on Demand`
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/beegfsmeta.md
----
--->
-
-
 ## `BeeGFS on Demand` collector
-This Collector is to collect `BeeGFS on Demand` (BeeOND) metadata clientstats.
+This Collector is to collect BeeGFS on Demand (BeeOND) metadata clientstats.
 
 ```json
   "beegfs_meta": {
@@ -84,4 +72,4 @@ Available Metrics:
 * setXA
 * mirror
 
-The collector adds a `filesystem` tag to all metrics
+The collector adds a `filesystem` tag to all metrics

collectors/beegfsstorageMetric.go

@@ -1,10 +1,3 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
@@ -17,13 +10,12 @@ import (
 	"os/exec"
 	"os/user"
 	"regexp"
-	"slices"
 	"strconv"
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 )
 
 // Struct for the collector-specific JSON config
@@ -55,9 +47,7 @@ func (m *BeegfsStorageCollector) Init(config json.RawMessage) error {
 		"storInf", "unlnk"}
 
 	m.name = "BeegfsStorageCollector"
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	m.parallel = true
 	// Set default beegfs-ctl binary
 
@@ -74,7 +64,8 @@ func (m *BeegfsStorageCollector) Init(config json.RawMessage) error {
 	//create map with possible variables
 	m.matches = make(map[string]string)
 	for _, value := range storageStat_array {
-		if slices.Contains(m.config.ExcludeMetrics, value) {
+		_, skip := stringArrayContains(m.config.ExcludeMetrics, value)
+		if skip {
 			m.matches["other"] = "0"
 		} else {
 			m.matches["beegfs_cstorage_"+value] = "0"
@@ -217,7 +208,7 @@ func (m *BeegfsStorageCollector) Read(interval time.Duration, output chan lp.CCM
 
 			for key, data := range m.matches {
 				value, _ := strconv.ParseFloat(data, 32)
-				y, err := lp.NewMessage(key, m.tags, m.meta, map[string]any{"value": value}, time.Now())
+				y, err := lp.NewMessage(key, m.tags, m.meta, map[string]interface{}{"value": value}, time.Now())
 				if err == nil {
 					output <- y
 				}

collectors/beegfsstorageMetric.md

@@ -1,14 +1,3 @@
-<!--
----
-title: "BeeGFS on Demand metric collector"
-description: Collect performance metrics for BeeGFS filesystems
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/beegfsstorage.md
----
--->
-
 ## `BeeGFS on Demand` collector
 This Collector is to collect BeeGFS on Demand (BeeOND) storage stats.
 
@@ -63,4 +52,4 @@ Available Metrics:
 * "unlnk"
 
 
-The collector adds a `filesystem` tag to all metrics
+The collector adds a `filesystem` tag to all metrics

collectors/collectorManager.go

@@ -1,20 +1,12 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
 	"encoding/json"
-	"fmt"
 	"sync"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 	mct "github.com/ClusterCockpit/cc-metric-collector/pkg/multiChanTicker"
 )
 
@@ -48,7 +40,6 @@ var AvailableCollectors = map[string]MetricCollector{
 	"self":            new(SelfCollector),
 	"schedstat":       new(SchedstatCollector),
 	"nfsiostat":       new(NfsIOStatCollector),
-	"slurm_cgroup":    new(SlurmCgroupCollector),
 }
 
 // Metric collector manager data structure
@@ -105,7 +96,7 @@ func (cm *collectorManager) Init(ticker mct.MultiChanTicker, duration time.Durat
 
 		err = collector.Init(collectorCfg)
 		if err != nil {
-			cclog.ComponentError("CollectorManager", fmt.Sprintf("Collector %s initialization failed: %v", collectorName, err))
+			cclog.ComponentError("CollectorManager", "Collector", collectorName, "initialization failed:", err.Error())
 			continue
 		}
 		cclog.ComponentDebug("CollectorManager", "ADD COLLECTOR", collector.Name())

collectors/cpufreqCpuinfoMetric.go

@@ -1,10 +1,3 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
@@ -17,8 +10,8 @@ import (
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 )
 
 // CPUFreqCollector
@@ -41,10 +34,9 @@ func (m *CPUFreqCpuInfoCollector) Init(config json.RawMessage) error {
 		return nil
 	}
 
+	m.setup()
+
 	m.name = "CPUFreqCpuInfoCollector"
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
 	m.parallel = true
 	m.meta = map[string]string{
 		"source": m.name,
@@ -57,6 +49,7 @@ func (m *CPUFreqCpuInfoCollector) Init(config json.RawMessage) error {
 	if err != nil {
 		return fmt.Errorf("failed to open file '%s': %v", cpuInfoFile, err)
 	}
+	defer file.Close()
 
 	// Collect topology information from file cpuinfo
 	foundFreq := false
@@ -86,10 +79,6 @@ func (m *CPUFreqCpuInfoCollector) Init(config json.RawMessage) error {
 			}
 		}
 
-		if err := file.Close(); err != nil {
-			return fmt.Errorf("%s Init(): Call to file.Close() failed: %w", m.name, err)
-		}
-
 		// were all topology information collected?
 		if foundFreq &&
 			len(processor) > 0 &&
@@ -144,13 +133,7 @@ func (m *CPUFreqCpuInfoCollector) Read(interval time.Duration, output chan lp.CC
 			fmt.Sprintf("Read(): Failed to open file '%s': %v", cpuInfoFile, err))
 		return
 	}
-	defer func() {
-		if err := file.Close(); err != nil {
-			cclog.ComponentError(
-				m.name,
-				fmt.Sprintf("Read(): Failed to close file '%s': %v", cpuInfoFile, err))
-		}
-	}()
+	defer file.Close()
 
 	processorCounter := 0
 	now := time.Now()
@@ -171,7 +154,7 @@ func (m *CPUFreqCpuInfoCollector) Read(interval time.Duration, output chan lp.CC
 							fmt.Sprintf("Read(): Failed to convert cpu MHz '%s' to float64: %v", lineSplit[1], err))
 						return
 					}
-					if y, err := lp.NewMessage("cpufreq", t.tagSet, m.meta, map[string]any{"value": value}, now); err == nil {
+					if y, err := lp.NewMessage("cpufreq", t.tagSet, m.meta, map[string]interface{}{"value": value}, now); err == nil {
 						output <- y
 					}
 				}

collectors/cpufreqCpuinfoMetric.md

@@ -1,14 +1,3 @@
-<!--
----
-title: CPU frequency metric collector through cpuinfo
-description: Collect the CPU frequency from `/proc/cpuinfo`
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/cpufreq_cpuinfo.md
----
--->
-
 ## `cpufreq_cpuinfo` collector
 
 ```json

collectors/cpufreqMetric.go

@@ -1,10 +1,3 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
@@ -16,8 +9,8 @@ import (
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 	"github.com/ClusterCockpit/cc-metric-collector/pkg/ccTopology"
 	"golang.org/x/sys/unix"
 )
@@ -48,9 +41,7 @@ func (m *CPUFreqCollector) Init(config json.RawMessage) error {
 	}
 
 	m.name = "CPUFreqCollector"
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	m.parallel = true
 	if len(config) > 0 {
 		err := json.Unmarshal(config, &m.config)
@@ -126,7 +117,7 @@ func (m *CPUFreqCollector) Read(interval time.Duration, output chan lp.CCMessage
 			continue
 		}
 
-		if y, err := lp.NewMessage("cpufreq", t.tagSet, m.meta, map[string]any{"value": cpuFreq}, now); err == nil {
+		if y, err := lp.NewMessage("cpufreq", t.tagSet, m.meta, map[string]interface{}{"value": cpuFreq}, now); err == nil {
 			output <- y
 		}
 	}

collectors/cpufreqMetric.md

@@ -1,14 +1,3 @@
-<!--
----
-title: CPU frequency metric collector through sysfs
-description: Collect the CPU frequency metrics from `/sys/.../cpu/.../cpufreq`
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/cpufreq.md
----
--->
-
 ## `cpufreq_cpuinfo` collector
 
 ```json

collectors/cpustatMetric.go

@@ -1,10 +1,3 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
@@ -12,13 +5,12 @@ import (
 	"encoding/json"
 	"fmt"
 	"os"
-	"slices"
 	"strconv"
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 	sysconf "github.com/tklauser/go-sysconf"
 )
 
@@ -40,17 +32,10 @@ type CpustatCollector struct {
 
 func (m *CpustatCollector) Init(config json.RawMessage) error {
 	m.name = "CpustatCollector"
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	m.parallel = true
-	m.meta = map[string]string{
-		"source": m.name,
-		"group":  "CPU",
-	}
-	m.nodetags = map[string]string{
-		"type": "node",
-	}
+	m.meta = map[string]string{"source": m.name, "group": "CPU"}
+	m.nodetags = map[string]string{"type": "node"}
 	if len(config) > 0 {
 		err := json.Unmarshal(config, &m.config)
 		if err != nil {
@@ -72,7 +57,14 @@ func (m *CpustatCollector) Init(config json.RawMessage) error {
 
 	m.matches = make(map[string]int)
 	for match, index := range matches {
-		if !slices.Contains(m.config.ExcludeMetrics, match) {
+		doExclude := false
+		for _, exclude := range m.config.ExcludeMetrics {
+			if match == exclude {
+				doExclude = true
+				break
+			}
+		}
+		if !doExclude {
 			m.matches[match] = index
 		}
 	}
@@ -80,17 +72,9 @@ func (m *CpustatCollector) Init(config json.RawMessage) error {
 	// Check input file
 	file, err := os.Open(string(CPUSTATFILE))
 	if err != nil {
-		cclog.ComponentError(
-			m.name,
-			fmt.Sprintf("Init(): Failed to open file '%s': %v", string(CPUSTATFILE), err))
+		cclog.ComponentError(m.name, err.Error())
 	}
-	defer func() {
-		if err := file.Close(); err != nil {
-			cclog.ComponentError(
-				m.name,
-				fmt.Sprintf("Init(): Failed to close file '%s': %v", string(CPUSTATFILE), err))
-		}
-	}()
+	defer file.Close()
 
 	// Pre-generate tags for all CPUs
 	num_cpus := 0
@@ -138,7 +122,7 @@ func (m *CpustatCollector) parseStatLine(linefields []string, tags map[string]st
 	sum := float64(0)
 	for name, value := range values {
 		sum += value
-		y, err := lp.NewMessage(name, tags, m.meta, map[string]any{"value": value * 100}, now)
+		y, err := lp.NewMessage(name, tags, m.meta, map[string]interface{}{"value": value * 100}, now)
 		if err == nil {
 			y.AddTag("unit", "Percent")
 			output <- y
@@ -146,7 +130,7 @@ func (m *CpustatCollector) parseStatLine(linefields []string, tags map[string]st
 	}
 	if v, ok := values["cpu_idle"]; ok {
 		sum -= v
-		y, err := lp.NewMessage("cpu_used", tags, m.meta, map[string]any{"value": sum * 100}, now)
+		y, err := lp.NewMessage("cpu_used", tags, m.meta, map[string]interface{}{"value": sum * 100}, now)
 		if err == nil {
 			y.AddTag("unit", "Percent")
 			output <- y
@@ -164,17 +148,9 @@ func (m *CpustatCollector) Read(interval time.Duration, output chan lp.CCMessage
 
 	file, err := os.Open(string(CPUSTATFILE))
 	if err != nil {
-		cclog.ComponentError(
-			m.name,
-			fmt.Sprintf("Read(): Failed to open file '%s': %v", string(CPUSTATFILE), err))
+		cclog.ComponentError(m.name, err.Error())
 	}
-	defer func() {
-		if err := file.Close(); err != nil {
-			cclog.ComponentError(
-				m.name,
-				fmt.Sprintf("Read(): Failed to close file '%s': %v", string(CPUSTATFILE), err))
-		}
-	}()
+	defer file.Close()
 
 	scanner := bufio.NewScanner(file)
 	for scanner.Scan() {
@@ -191,7 +167,7 @@ func (m *CpustatCollector) Read(interval time.Duration, output chan lp.CCMessage
 	num_cpus_metric, err := lp.NewMessage("num_cpus",
 		m.nodetags,
 		m.meta,
-		map[string]any{"value": int(num_cpus)},
+		map[string]interface{}{"value": int(num_cpus)},
 		now,
 	)
 	if err == nil {

collectors/cpustatMetric.md

@@ -1,14 +1,3 @@
-<!--
----
-title: CPU usage metric collector
-description: Collect CPU metrics from `/proc/stat`
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/cpustat.md
----
--->
-
 
 ## `cpustat` collector
 
@@ -35,4 +24,4 @@ Metrics:
 * `cpu_guest` with `unit=Percent`
 * `cpu_guest_nice` with `unit=Percent`
 * `cpu_used` = `cpu_* - cpu_idle` with `unit=Percent`
-* `num_cpus`
+* `num_cpus`

collectors/customCmdMetric.go

@@ -1,24 +1,15 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
 	"encoding/json"
 	"errors"
-	"fmt"
 	"log"
 	"os"
 	"os/exec"
-	"slices"
 	"strings"
 	"time"
 
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 	influx "github.com/influxdata/line-protocol"
 )
 
@@ -51,16 +42,11 @@ func (m *CustomCmdCollector) Init(config json.RawMessage) error {
 			return err
 		}
 	}
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	for _, c := range m.config.Commands {
 		cmdfields := strings.Fields(c)
-		command := exec.Command(cmdfields[0], cmdfields[1:]...)
-		if err := command.Wait(); err != nil {
-			log.Print(err)
-			continue
-		}
+		command := exec.Command(cmdfields[0], strings.Join(cmdfields[1:], " "))
+		command.Wait()
 		_, err = command.Output()
 		if err == nil {
 			m.commands = append(m.commands, c)
@@ -95,11 +81,8 @@ func (m *CustomCmdCollector) Read(interval time.Duration, output chan lp.CCMessa
 	}
 	for _, cmd := range m.commands {
 		cmdfields := strings.Fields(cmd)
-		command := exec.Command(cmdfields[0], cmdfields[1:]...)
-		if err := command.Wait(); err != nil {
-			log.Print(err)
-			continue
-		}
+		command := exec.Command(cmdfields[0], strings.Join(cmdfields[1:], " "))
+		command.Wait()
 		stdout, err := command.Output()
 		if err != nil {
 			log.Print(err)
@@ -111,7 +94,8 @@ func (m *CustomCmdCollector) Read(interval time.Duration, output chan lp.CCMessa
 			continue
 		}
 		for _, c := range cmdmetrics {
-			if slices.Contains(m.config.ExcludeMetrics, c.Name()) {
+			_, skip := stringArrayContains(m.config.ExcludeMetrics, c.Name())
+			if skip {
 				continue
 			}
 
@@ -130,7 +114,8 @@ func (m *CustomCmdCollector) Read(interval time.Duration, output chan lp.CCMessa
 			continue
 		}
 		for _, f := range fmetrics {
-			if slices.Contains(m.config.ExcludeMetrics, f.Name()) {
+			_, skip := stringArrayContains(m.config.ExcludeMetrics, f.Name())
+			if skip {
 				continue
 			}
 			output <- lp.FromInfluxMetric(f)

collectors/customCmdMetric.md

@@ -1,13 +1,3 @@
-<!--
----
-title: CustomCommand metric collector
-description: Collect messages from custom command or files
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/customcmd.md
----
--->
 
 ## `customcmd` collector
 

collectors/diskstatMetric.go

@@ -1,23 +1,15 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
 	"bufio"
 	"encoding/json"
-	"fmt"
 	"os"
 	"strings"
 	"syscall"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 )
 
 const MOUNTFILE = `/proc/self/mounts`
@@ -37,9 +29,7 @@ func (m *DiskstatCollector) Init(config json.RawMessage) error {
 	m.name = "DiskstatCollector"
 	m.parallel = true
 	m.meta = map[string]string{"source": m.name, "group": "Disk"}
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	if len(config) > 0 {
 		if err := json.Unmarshal(config, &m.config); err != nil {
 			return err
@@ -57,11 +47,10 @@ func (m *DiskstatCollector) Init(config json.RawMessage) error {
 	}
 	file, err := os.Open(MOUNTFILE)
 	if err != nil {
-		return fmt.Errorf("%s Init(): file open for file \"%s\" failed: %w", m.name, MOUNTFILE, err)
-	}
-	if err := file.Close(); err != nil {
-		return fmt.Errorf("%s Init(): file close for file \"%s\" failed: %w", m.name, MOUNTFILE, err)
+		cclog.ComponentError(m.name, err.Error())
+		return err
 	}
+	defer file.Close()
 	m.init = true
 	return nil
 }
@@ -73,18 +62,10 @@ func (m *DiskstatCollector) Read(interval time.Duration, output chan lp.CCMessag
 
 	file, err := os.Open(MOUNTFILE)
 	if err != nil {
-		cclog.ComponentError(
-			m.name,
-			fmt.Sprintf("Read(): Failed to open file '%s': %v", MOUNTFILE, err))
+		cclog.ComponentError(m.name, err.Error())
 		return
 	}
-	defer func() {
-		if err := file.Close(); err != nil {
-			cclog.ComponentError(
-				m.name,
-				fmt.Sprintf("Read(): Failed to close file '%s': %v", MOUNTFILE, err))
-		}
-	}()
+	defer file.Close()
 
 	part_max_used := uint64(0)
 	scanner := bufio.NewScanner(file)
@@ -105,7 +86,7 @@ mountLoop:
 			continue
 		}
 
-		mountPath := strings.ReplaceAll(linefields[1], `\040`, " ")
+		mountPath := strings.Replace(linefields[1], `\040`, " ", -1)
 
 		for _, excl := range m.config.ExcludeMounts {
 			if strings.Contains(mountPath, excl) {
@@ -124,7 +105,7 @@ mountLoop:
 		tags := map[string]string{"type": "node", "device": linefields[0]}
 		total := (stat.Blocks * uint64(stat.Bsize)) / uint64(1000000000)
 		if m.allowedMetrics["disk_total"] {
-			y, err := lp.NewMessage("disk_total", tags, m.meta, map[string]any{"value": total}, time.Now())
+			y, err := lp.NewMessage("disk_total", tags, m.meta, map[string]interface{}{"value": total}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "GBytes")
 				output <- y
@@ -132,7 +113,7 @@ mountLoop:
 		}
 		free := (stat.Bfree * uint64(stat.Bsize)) / uint64(1000000000)
 		if m.allowedMetrics["disk_free"] {
-			y, err := lp.NewMessage("disk_free", tags, m.meta, map[string]any{"value": free}, time.Now())
+			y, err := lp.NewMessage("disk_free", tags, m.meta, map[string]interface{}{"value": free}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "GBytes")
 				output <- y
@@ -146,7 +127,7 @@ mountLoop:
 		}
 	}
 	if m.allowedMetrics["part_max_used"] {
-		y, err := lp.NewMessage("part_max_used", map[string]string{"type": "node"}, m.meta, map[string]any{"value": int(part_max_used)}, time.Now())
+		y, err := lp.NewMessage("part_max_used", map[string]string{"type": "node"}, m.meta, map[string]interface{}{"value": int(part_max_used)}, time.Now())
 		if err == nil {
 			y.AddMeta("unit", "percent")
 			output <- y

collectors/diskstatMetric.md

@@ -1,13 +1,3 @@
-<!--
----
-title: Disk usage statistics metric collector
-description: Collect metrics for various filesystems from `/proc/self/mounts`
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/diskstat.md
----
--->
 
 ## `diskstat` collector
 

collectors/gpfsMetric.go

@@ -1,308 +1,41 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
 	"bufio"
 	"bytes"
 	"encoding/json"
-	"errors"
 	"fmt"
 	"io"
 	"log"
 	"os/exec"
 	"os/user"
-	"slices"
 	"strconv"
 	"strings"
-	"syscall"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 )
 
 const DEFAULT_GPFS_CMD = "mmpmon"
 
-type GpfsCollectorState map[string]int64
-
-type GpfsCollectorConfig struct {
-	Mmpmon             string   `json:"mmpmon_path,omitempty"`
-	ExcludeFilesystem  []string `json:"exclude_filesystem,omitempty"`
-	ExcludeMetrics     []string `json:"exclude_metrics,omitempty"`
-	Sudo               bool     `json:"use_sudo,omitempty"`
-	SendAbsoluteValues bool     `json:"send_abs_values,omitempty"`
-	SendDiffValues     bool     `json:"send_diff_values,omitempty"`
-	SendDerivedValues  bool     `json:"send_derived_values,omitempty"`
-	SendTotalValues    bool     `json:"send_total_values,omitempty"`
-	SendBandwidths     bool     `json:"send_bandwidths,omitempty"`
-}
-
-type GpfsMetricDefinition struct {
-	name   string
-	desc   string
-	prefix string
-	unit   string
-	calc   string
+type GpfsCollectorLastState struct {
+	bytesRead    int64
+	bytesWritten int64
 }
 
 type GpfsCollector struct {
 	metricCollector
-	tags          map[string]string
-	config        GpfsCollectorConfig
-	sudoCmd       string
+	tags   map[string]string
+	config struct {
+		Mmpmon            string   `json:"mmpmon_path,omitempty"`
+		ExcludeFilesystem []string `json:"exclude_filesystem,omitempty"`
+		SendBandwidths    bool     `json:"send_bandwidths"`
+		SendTotalValues   bool     `json:"send_total_values"`
+	}
 	skipFS        map[string]struct{}
-	lastTimestamp map[string]time.Time          // Store timestamp of lastState per filesystem to derive bandwidths
-	definitions   []GpfsMetricDefinition        // all metrics to report
-	lastState     map[string]GpfsCollectorState // one GpfsCollectorState per filesystem
-}
-
-var GpfsAbsMetrics = []GpfsMetricDefinition{
-	{
-		name:   "gpfs_num_opens",
-		desc:   "number of opens",
-		prefix: "_oc_",
-		unit:   "requests",
-		calc:   "none",
-	},
-	{
-		name:   "gpfs_num_closes",
-		desc:   "number of closes",
-		prefix: "_cc_",
-		unit:   "requests",
-		calc:   "none",
-	},
-	{
-		name:   "gpfs_num_reads",
-		desc:   "number of reads",
-		prefix: "_rdc_",
-		unit:   "requests",
-		calc:   "none",
-	},
-	{
-		name:   "gpfs_num_writes",
-		desc:   "number of writes",
-		prefix: "_wc_",
-		unit:   "requests",
-		calc:   "none",
-	},
-	{
-		name:   "gpfs_num_readdirs",
-		desc:   "number of readdirs",
-		prefix: "_dir_",
-		unit:   "requests",
-		calc:   "none",
-	},
-	{
-		name:   "gpfs_num_inode_updates",
-		desc:   "number of Inode Updates",
-		prefix: "_iu_",
-		unit:   "requests",
-		calc:   "none",
-	},
-	{
-		name:   "gpfs_bytes_read",
-		desc:   "bytes read",
-		prefix: "_br_",
-		unit:   "bytes",
-		calc:   "none",
-	},
-	{
-		name:   "gpfs_bytes_written",
-		desc:   "bytes written",
-		prefix: "_bw_",
-		unit:   "bytes",
-		calc:   "none",
-	},
-}
-
-var GpfsDiffMetrics = []GpfsMetricDefinition{
-	{
-		name:   "gpfs_num_opens_diff",
-		desc:   "number of opens (diff)",
-		prefix: "_oc_",
-		unit:   "requests",
-		calc:   "difference",
-	},
-	{
-		name:   "gpfs_num_closes_diff",
-		desc:   "number of closes (diff)",
-		prefix: "_cc_",
-		unit:   "requests",
-		calc:   "difference",
-	},
-	{
-		name:   "gpfs_num_reads_diff",
-		desc:   "number of reads (diff)",
-		prefix: "_rdc_",
-		unit:   "requests",
-		calc:   "difference",
-	},
-	{
-		name:   "gpfs_num_writes_diff",
-		desc:   "number of writes (diff)",
-		prefix: "_wc_",
-		unit:   "requests",
-		calc:   "difference",
-	},
-	{
-		name:   "gpfs_num_readdirs_diff",
-		desc:   "number of readdirs (diff)",
-		prefix: "_dir_",
-		unit:   "requests",
-		calc:   "difference",
-	},
-	{
-		name:   "gpfs_num_inode_updates_diff",
-		desc:   "number of Inode Updates (diff)",
-		prefix: "_iu_",
-		unit:   "requests",
-		calc:   "difference",
-	},
-	{
-		name:   "gpfs_bytes_read_diff",
-		desc:   "bytes read (diff)",
-		prefix: "_br_",
-		unit:   "bytes",
-		calc:   "difference",
-	},
-	{
-		name:   "gpfs_bytes_written_diff",
-		desc:   "bytes written (diff)",
-		prefix: "_bw_",
-		unit:   "bytes",
-		calc:   "difference",
-	},
-}
-
-var GpfsDeriveMetrics = []GpfsMetricDefinition{
-	{
-		name:   "gpfs_opens_rate",
-		desc:   "number of opens (rate)",
-		prefix: "_oc_",
-		unit:   "requests/sec",
-		calc:   "derivative",
-	},
-	{
-		name:   "gpfs_closes_rate",
-		desc:   "number of closes (rate)",
-		prefix: "_oc_",
-		unit:   "requests/sec",
-		calc:   "derivative",
-	},
-	{
-		name:   "gpfs_reads_rate",
-		desc:   "number of reads (rate)",
-		prefix: "_rdc_",
-		unit:   "requests/sec",
-		calc:   "derivative",
-	},
-	{
-		name:   "gpfs_writes_rate",
-		desc:   "number of writes (rate)",
-		prefix: "_wc_",
-		unit:   "requests/sec",
-		calc:   "derivative",
-	},
-	{
-		name:   "gpfs_readdirs_rate",
-		desc:   "number of readdirs (rate)",
-		prefix: "_dir_",
-		unit:   "requests/sec",
-		calc:   "derivative",
-	},
-	{
-		name:   "gpfs_inode_updates_rate",
-		desc:   "number of Inode Updates (rate)",
-		prefix: "_iu_",
-		unit:   "requests/sec",
-		calc:   "derivative",
-	},
-	{
-		name:   "gpfs_bw_read",
-		desc:   "bytes read (rate)",
-		prefix: "_br_",
-		unit:   "bytes/sec",
-		calc:   "derivative",
-	},
-	{
-		name:   "gpfs_bw_write",
-		desc:   "bytes written (rate)",
-		prefix: "_bw_",
-		unit:   "bytes/sec",
-		calc:   "derivative",
-	},
-}
-
-var GpfsTotalMetrics = []GpfsMetricDefinition{
-	{
-		name:   "gpfs_bytes_total",
-		desc:   "bytes total",
-		prefix: "bytesTotal",
-		unit:   "bytes",
-		calc:   "none",
-	},
-	{
-		name:   "gpfs_bytes_total_diff",
-		desc:   "bytes total (diff)",
-		prefix: "bytesTotal",
-		unit:   "bytes",
-		calc:   "difference",
-	},
-	{
-		name:   "gpfs_bw_total",
-		desc:   "bytes total (rate)",
-		prefix: "bytesTotal",
-		unit:   "bytes/sec",
-		calc:   "derivative",
-	},
-	{
-		name:   "gpfs_iops",
-		desc:   "iops",
-		prefix: "iops",
-		unit:   "requests",
-		calc:   "none",
-	},
-	{
-		name:   "gpfs_iops_diff",
-		desc:   "iops  (diff)",
-		prefix: "iops",
-		unit:   "requests",
-		calc:   "difference",
-	},
-	{
-		name:   "gpfs_iops_rate",
-		desc:   "iops (rate)",
-		prefix: "iops",
-		unit:   "requests/sec",
-		calc:   "derivative",
-	},
-	{
-		name:   "gpfs_metaops",
-		desc:   "metaops",
-		prefix: "metaops",
-		unit:   "requests",
-		calc:   "none",
-	},
-	{
-		name:   "gpfs_metaops_diff",
-		desc:   "metaops (diff)",
-		prefix: "metaops",
-		unit:   "requests",
-		calc:   "difference",
-	},
-	{
-		name:   "gpfs_metaops_rate",
-		desc:   "metaops (rate)",
-		prefix: "metaops",
-		unit:   "requests/sec",
-		calc:   "derivative",
-	},
+	lastTimestamp time.Time // Store time stamp of last tick to derive bandwidths
+	lastState     map[string]GpfsCollectorLastState
 }
 
 func (m *GpfsCollector) Init(config json.RawMessage) error {
@@ -311,10 +44,9 @@ func (m *GpfsCollector) Init(config json.RawMessage) error {
 		return nil
 	}
 
+	var err error
 	m.name = "GpfsCollector"
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	m.parallel = true
 
 	// Set default mmpmon binary
@@ -322,7 +54,7 @@ func (m *GpfsCollector) Init(config json.RawMessage) error {
 
 	// Read JSON configuration
 	if len(config) > 0 {
-		err := json.Unmarshal(config, &m.config)
+		err = json.Unmarshal(config, &m.config)
 		if err != nil {
 			log.Print(err.Error())
 			return err
@@ -340,104 +72,24 @@ func (m *GpfsCollector) Init(config json.RawMessage) error {
 	for _, fs := range m.config.ExcludeFilesystem {
 		m.skipFS[fs] = struct{}{}
 	}
-	m.lastState = make(map[string]GpfsCollectorState)
-	m.lastTimestamp = make(map[string]time.Time)
+	m.lastState = make(map[string]GpfsCollectorLastState)
 
 	// GPFS / IBM Spectrum Scale file system statistics can only be queried by user root
-	if !m.config.Sudo {
-		user, err := user.Current()
-		if err != nil {
-			cclog.ComponentError(m.name, "Failed to get current user:", err.Error())
-			return err
-		}
-		if user.Uid != "0" {
-			cclog.ComponentError(m.name, "GPFS file system statistics can only be queried by user root")
-			return err
-		}
-	} else {
-		p, err := exec.LookPath("sudo")
-		if err != nil {
-			cclog.ComponentError(m.name, "Cannot find 'sudo'")
-			return err
-		}
-		m.sudoCmd = p
+	user, err := user.Current()
+	if err != nil {
+		return fmt.Errorf("failed to get current user: %v", err)
 	}
-
-	// when using sudo, the full path of mmpmon must be specified because
-	// exec.LookPath will not work as mmpmon is not executable as user
-	if m.config.Sudo && !strings.HasPrefix(m.config.Mmpmon, "/") {
-		return fmt.Errorf("when using sudo, mmpmon_path must be provided and an absolute path: %s", m.config.Mmpmon)
+	if user.Uid != "0" {
+		return fmt.Errorf("GPFS file system statistics can only be queried by user root")
 	}
 
 	// Check if mmpmon is in executable search path
 	p, err := exec.LookPath(m.config.Mmpmon)
 	if err != nil {
-		// if using sudo, exec.lookPath will return EACCES (file mode r-x------), this can be ignored
-		if m.config.Sudo && errors.Is(err, syscall.EACCES) {
-			cclog.ComponentWarn(m.name, fmt.Sprintf("got error looking for mmpmon binary '%s': %v . This is expected when using sudo, continuing.", m.config.Mmpmon, err))
-			// the file was given in the config, use it
-			p = m.config.Mmpmon
-		} else {
-			cclog.ComponentError(m.name, fmt.Sprintf("failed to find mmpmon binary '%s': %v", m.config.Mmpmon, err))
-			return fmt.Errorf("failed to find mmpmon binary '%s': %v", m.config.Mmpmon, err)
-		}
+		return fmt.Errorf("failed to find mmpmon binary '%s': %v", m.config.Mmpmon, err)
 	}
 	m.config.Mmpmon = p
 
-	m.definitions = []GpfsMetricDefinition{}
-	if m.config.SendAbsoluteValues {
-		for _, def := range GpfsAbsMetrics {
-			if !slices.Contains(m.config.ExcludeMetrics, def.name) {
-				m.definitions = append(m.definitions, def)
-			}
-		}
-	}
-	if m.config.SendDiffValues {
-		for _, def := range GpfsDiffMetrics {
-			if !slices.Contains(m.config.ExcludeMetrics, def.name) {
-				m.definitions = append(m.definitions, def)
-			}
-		}
-	}
-	if m.config.SendDerivedValues {
-		for _, def := range GpfsDeriveMetrics {
-			if !slices.Contains(m.config.ExcludeMetrics, def.name) {
-				m.definitions = append(m.definitions, def)
-			}
-		}
-	} else if m.config.SendBandwidths {
-		for _, def := range GpfsDeriveMetrics {
-			if def.unit == "bytes/sec" {
-				if !slices.Contains(m.config.ExcludeMetrics, def.name) {
-					m.definitions = append(m.definitions, def)
-				}
-			}
-		}
-	}
-	if m.config.SendTotalValues {
-		for _, def := range GpfsTotalMetrics {
-			if !slices.Contains(m.config.ExcludeMetrics, def.name) {
-				// only send total metrics of the types requested
-				if (def.calc == "none" && m.config.SendAbsoluteValues) ||
-					(def.calc == "difference" && m.config.SendDiffValues) ||
-					(def.calc == "derivative" && m.config.SendDerivedValues) {
-					m.definitions = append(m.definitions, def)
-				}
-			}
-		}
-	} else if m.config.SendBandwidths {
-		for _, def := range GpfsTotalMetrics {
-			if def.unit == "bytes/sec" {
-				if !slices.Contains(m.config.ExcludeMetrics, def.name) {
-					m.definitions = append(m.definitions, def)
-				}
-			}
-		}
-	}
-	if len(m.definitions) == 0 {
-		return errors.New("no metrics to collect")
-	}
-
 	m.init = true
 	return nil
 }
@@ -448,17 +100,18 @@ func (m *GpfsCollector) Read(interval time.Duration, output chan lp.CCMessage) {
 		return
 	}
 
+	// Current time stamp
+	now := time.Now()
+	// time difference to last time stamp
+	timeDiff := now.Sub(m.lastTimestamp).Seconds()
+	// Save current timestamp
+	m.lastTimestamp = now
+
 	// mmpmon:
 	// -p: generate output that can be parsed
 	// -s: suppress the prompt on input
 	// fs_io_s: Displays I/O statistics per mounted file system
-	var cmd *exec.Cmd
-	if m.config.Sudo {
-		cmd = exec.Command(m.sudoCmd, m.config.Mmpmon, "-p", "-s")
-	} else {
-		cmd = exec.Command(m.config.Mmpmon, "-p", "-s")
-	}
-
+	cmd := exec.Command(m.config.Mmpmon, "-p", "-s")
 	cmd.Stdin = strings.NewReader("once fs_io_s\n")
 	cmdStdout := new(bytes.Buffer)
 	cmdStderr := new(bytes.Buffer)
@@ -501,7 +154,9 @@ func (m *GpfsCollector) Read(interval time.Duration, output chan lp.CCMessage) {
 
 		filesystem, ok := key_value["_fs_"]
 		if !ok {
-			cclog.ComponentError(m.name, "Read(): Failed to get filesystem name.")
+			cclog.ComponentError(
+				m.name,
+				"Read(): Failed to get filesystem name.")
 			continue
 		}
 
@@ -513,141 +168,245 @@ func (m *GpfsCollector) Read(interval time.Duration, output chan lp.CCMessage) {
 		// Add filesystem tag
 		m.tags["filesystem"] = filesystem
 
-		if _, ok := m.lastState[filesystem]; !ok {
-			m.lastState[filesystem] = make(GpfsCollectorState)
+		// Create initial last state
+		if m.config.SendBandwidths {
+			if _, ok := m.lastState[filesystem]; !ok {
+				m.lastState[filesystem] = GpfsCollectorLastState{
+					bytesRead:    -1,
+					bytesWritten: -1,
+				}
+			}
 		}
 
-		// read the new values from mmpmon
 		// return code
 		rc, err := strconv.Atoi(key_value["_rc_"])
 		if err != nil {
-			cclog.ComponentError(m.name, fmt.Sprintf("Read(): Failed to convert return code '%s' to int: %v", key_value["_rc_"], err))
+			cclog.ComponentError(
+				m.name,
+				fmt.Sprintf("Read(): Failed to convert return code '%s' to int: %v", key_value["_rc_"], err))
 			continue
 		}
 		if rc != 0 {
-			cclog.ComponentError(m.name, fmt.Sprintf("Read(): Filesystem '%s' is not ok.", filesystem))
+			cclog.ComponentError(
+				m.name,
+				fmt.Sprintf("Read(): Filesystem '%s' is not ok.", filesystem))
 			continue
 		}
 
-		// timestamp
 		sec, err := strconv.ParseInt(key_value["_t_"], 10, 64)
 		if err != nil {
-			cclog.ComponentError(m.name, fmt.Sprintf("Read(): Failed to convert seconds '%s' to int64: %v", key_value["_t_"], err))
+			cclog.ComponentError(
+				m.name,
+				fmt.Sprintf("Read(): Failed to convert seconds '%s' to int64: %v", key_value["_t_"], err))
 			continue
 		}
 		msec, err := strconv.ParseInt(key_value["_tu_"], 10, 64)
 		if err != nil {
-			cclog.ComponentError(m.name, fmt.Sprintf("Read(): Failed to convert micro seconds '%s' to int64: %v", key_value["_tu_"], err))
+			cclog.ComponentError(
+				m.name,
+				fmt.Sprintf("Read(): Failed to convert micro seconds '%s' to int64: %v", key_value["_tu_"], err))
 			continue
 		}
 		timestamp := time.Unix(sec, msec*1000)
 
-		// time difference to last time stamp
-		var timeDiff float64 = 0
-		if lastTime, ok := m.lastTimestamp[filesystem]; !ok {
-			m.lastTimestamp[filesystem] = time.Time{}
-		} else {
-			timeDiff = timestamp.Sub(lastTime).Seconds()
+		// bytes read
+		bytesRead, err := strconv.ParseInt(key_value["_br_"], 10, 64)
+		if err != nil {
+			cclog.ComponentError(
+				m.name,
+				fmt.Sprintf("Read(): Failed to convert bytes read '%s' to int64: %v", key_value["_br_"], err))
+			continue
 		}
-
-		// get values of all abs metrics
-		newstate := make(GpfsCollectorState)
-		for _, metric := range GpfsAbsMetrics {
-			value, err := strconv.ParseInt(key_value[metric.prefix], 10, 64)
-			if err != nil {
-				cclog.ComponentError(m.name, fmt.Sprintf("Read(): Failed to convert %s '%s' to int64: %v", metric.desc, key_value[metric.prefix], err))
-				continue
-			}
-			newstate[metric.prefix] = value
+		if y, err :=
+			lp.NewMessage(
+				"gpfs_bytes_read",
+				m.tags,
+				m.meta,
+				map[string]interface{}{
+					"value": bytesRead,
+				},
+				timestamp,
+			); err == nil {
+			y.AddMeta("unit", "bytes")
+			output <- y
 		}
-
-		// compute total metrics (map[...] will return 0 if key not found)
-		// bytes read and written
-		if br, br_ok := newstate["_br_"]; br_ok {
-			newstate["bytesTotal"] = newstate["bytesTotal"] + br
-		}
-		if bw, bw_ok := newstate["_bw_"]; bw_ok {
-			newstate["bytesTotal"] = newstate["bytesTotal"] + bw
-		}
-		// read and write count
-		if rdc, rdc_ok := newstate["_rdc_"]; rdc_ok {
-			newstate["iops"] = newstate["iops"] + rdc
-		}
-		if wc, wc_ok := newstate["_wc_"]; wc_ok {
-			newstate["iops"] = newstate["iops"] + wc
-		}
-		// meta operations
-		if oc, oc_ok := newstate["_oc_"]; oc_ok {
-			newstate["metaops"] = newstate["metaops"] + oc
-		}
-		if cc, cc_ok := newstate["_cc_"]; cc_ok {
-			newstate["metaops"] = newstate["metaops"] + cc
-		}
-		if dir, dir_ok := newstate["_dir_"]; dir_ok {
-			newstate["metaops"] = newstate["metaops"] + dir
-		}
-		if iu, iu_ok := newstate["_iu_"]; iu_ok {
-			newstate["metaops"] = newstate["metaops"] + iu
-		}
-		// send desired metrics for this filesystem
-		for _, metric := range m.definitions {
-			vold, vold_ok := m.lastState[filesystem][metric.prefix]
-			vnew, vnew_ok := newstate[metric.prefix]
-			var value any
-			value_ok := false
-			switch metric.calc {
-			case "none":
-				if vnew_ok {
-					value = vnew
-					value_ok = true
-				} else if vold_ok {
-					// for absolute values, if the new value is not available, report no change
-					value = vold
-					value_ok = true
-				}
-			case "difference":
-				if vnew_ok && vold_ok {
-					value = vnew - vold
-					if value.(int64) < 0 {
-						value = 0
-					}
-					value_ok = true
-				} else if vold_ok {
-					// if the difference is not computable, return 0
-					value = 0
-					value_ok = true
-				}
-			case "derivative":
-				if vnew_ok && vold_ok && timeDiff > 0 {
-					value = float64(vnew-vold) / timeDiff
-					if value.(float64) < 0 {
-						value = 0
-					}
-					value_ok = true
-				} else if vold_ok {
-					// if the difference is not computable, return 0
-					value = 0
-					value_ok = true
-				}
-			}
-			if value_ok {
-				y, err := lp.NewMetric(metric.name, m.tags, m.meta, value, timestamp)
-				if err == nil {
-					if len(metric.unit) > 0 {
-						y.AddMeta("unit", metric.unit)
-					}
+		if m.config.SendBandwidths {
+			if lastBytesRead := m.lastState[filesystem].bytesRead; lastBytesRead >= 0 {
+				bwRead := float64(bytesRead-lastBytesRead) / timeDiff
+				if y, err :=
+					lp.NewMessage(
+						"gpfs_bw_read",
+						m.tags,
+						m.meta,
+						map[string]interface{}{
+							"value": bwRead,
+						},
+						timestamp,
+					); err == nil {
+					y.AddMeta("unit", "bytes/sec")
 					output <- y
 				}
-			} else {
-				// the value could not be computed correctly
-				cclog.ComponentWarn(m.name, fmt.Sprintf("Read(): Could not compute value for filesystem %s of metric %s: vold_ok = %t, vnew_ok = %t", filesystem, metric.name, vold_ok, vnew_ok))
 			}
 		}
 
-		// Save new state, if it contains proper values
-		if len(newstate) > 0 {
-			m.lastState[filesystem] = newstate
-			m.lastTimestamp[filesystem] = timestamp
+		// bytes written
+		bytesWritten, err := strconv.ParseInt(key_value["_bw_"], 10, 64)
+		if err != nil {
+			cclog.ComponentError(
+				m.name,
+				fmt.Sprintf("Read(): Failed to convert bytes written '%s' to int64: %v", key_value["_bw_"], err))
+			continue
+		}
+		if y, err :=
+			lp.NewMessage(
+				"gpfs_bytes_written",
+				m.tags,
+				m.meta,
+				map[string]interface{}{
+					"value": bytesWritten,
+				},
+				timestamp,
+			); err == nil {
+			y.AddMeta("unit", "bytes")
+			output <- y
+		}
+		if m.config.SendBandwidths {
+			if lastBytesWritten := m.lastState[filesystem].bytesRead; lastBytesWritten >= 0 {
+				bwWrite := float64(bytesWritten-lastBytesWritten) / timeDiff
+				if y, err :=
+					lp.NewMessage(
+						"gpfs_bw_write",
+						m.tags,
+						m.meta,
+						map[string]interface{}{
+							"value": bwWrite,
+						},
+						timestamp,
+					); err == nil {
+					y.AddMeta("unit", "bytes/sec")
+					output <- y
+				}
+			}
+		}
+
+		if m.config.SendBandwidths {
+			m.lastState[filesystem] = GpfsCollectorLastState{
+				bytesRead:    bytesRead,
+				bytesWritten: bytesWritten,
+			}
+		}
+
+		// number of opens
+		numOpens, err := strconv.ParseInt(key_value["_oc_"], 10, 64)
+		if err != nil {
+			cclog.ComponentError(
+				m.name,
+				fmt.Sprintf("Read(): Failed to convert number of opens '%s' to int64: %v", key_value["_oc_"], err))
+			continue
+		}
+		if y, err := lp.NewMessage("gpfs_num_opens", m.tags, m.meta, map[string]interface{}{"value": numOpens}, timestamp); err == nil {
+			output <- y
+		}
+
+		// number of closes
+		numCloses, err := strconv.ParseInt(key_value["_cc_"], 10, 64)
+		if err != nil {
+			cclog.ComponentError(
+				m.name,
+				fmt.Sprintf("Read(): Failed to convert number of closes: '%s' to int64: %v", key_value["_cc_"], err))
+			continue
+		}
+		if y, err := lp.NewMessage("gpfs_num_closes", m.tags, m.meta, map[string]interface{}{"value": numCloses}, timestamp); err == nil {
+			output <- y
+		}
+
+		// number of reads
+		numReads, err := strconv.ParseInt(key_value["_rdc_"], 10, 64)
+		if err != nil {
+			cclog.ComponentError(
+				m.name,
+				fmt.Sprintf("Read(): Failed to convert number of reads: '%s' to int64: %v", key_value["_rdc_"], err))
+			continue
+		}
+		if y, err := lp.NewMessage("gpfs_num_reads", m.tags, m.meta, map[string]interface{}{"value": numReads}, timestamp); err == nil {
+			output <- y
+		}
+
+		// number of writes
+		numWrites, err := strconv.ParseInt(key_value["_wc_"], 10, 64)
+		if err != nil {
+			cclog.ComponentError(
+				m.name,
+				fmt.Sprintf("Read(): Failed to convert number of writes: '%s' to int64: %v", key_value["_wc_"], err))
+			continue
+		}
+		if y, err := lp.NewMessage("gpfs_num_writes", m.tags, m.meta, map[string]interface{}{"value": numWrites}, timestamp); err == nil {
+			output <- y
+		}
+
+		// number of read directories
+		numReaddirs, err := strconv.ParseInt(key_value["_dir_"], 10, 64)
+		if err != nil {
+			cclog.ComponentError(
+				m.name,
+				fmt.Sprintf("Read(): Failed to convert number of read directories: '%s' to int64: %v", key_value["_dir_"], err))
+			continue
+		}
+		if y, err := lp.NewMessage("gpfs_num_readdirs", m.tags, m.meta, map[string]interface{}{"value": numReaddirs}, timestamp); err == nil {
+			output <- y
+		}
+
+		// Number of inode updates
+		numInodeUpdates, err := strconv.ParseInt(key_value["_iu_"], 10, 64)
+		if err != nil {
+			cclog.ComponentError(
+				m.name,
+				fmt.Sprintf("Read(): Failed to convert number of inode updates: '%s' to int: %v", key_value["_iu_"], err))
+			continue
+		}
+		if y, err := lp.NewMessage("gpfs_num_inode_updates", m.tags, m.meta, map[string]interface{}{"value": numInodeUpdates}, timestamp); err == nil {
+			output <- y
+		}
+
+		// Total values
+		if m.config.SendTotalValues {
+			bytesTotal := bytesRead + bytesWritten
+			if y, err :=
+				lp.NewMessage("gpfs_bytes_total",
+					m.tags,
+					m.meta,
+					map[string]interface{}{
+						"value": bytesTotal,
+					},
+					timestamp,
+				); err == nil {
+				y.AddMeta("unit", "bytes")
+				output <- y
+			}
+			iops := numReads + numWrites
+			if y, err :=
+				lp.NewMessage("gpfs_iops",
+					m.tags,
+					m.meta,
+					map[string]interface{}{
+						"value": iops,
+					},
+					timestamp,
+				); err == nil {
+				output <- y
+			}
+			metaops := numInodeUpdates + numCloses + numOpens + numReaddirs
+			if y, err :=
+				lp.NewMessage("gpfs_metaops",
+					m.tags,
+					m.meta,
+					map[string]interface{}{
+						"value": metaops,
+					},
+					timestamp,
+				); err == nil {
+				output <- y
+			}
 		}
 	}
 }

collectors/gpfsMetric.md

@@ -1,31 +1,13 @@
-<!--
----
-title: GPFS collector
-description: Collect infos about GPFS filesystems
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/gpfs.md
----
--->
-
 ## `gpfs` collector
 
 ```json
-  "gpfs": {
+  "ibstat": {
     "mmpmon_path": "/path/to/mmpmon",
-    "use_sudo": "true",
     "exclude_filesystem": [
       "fs1"
     ],
-    "exclude_metrics": [
-      "gpfs_bytes_written"
-    ],
-    "send_abs_values": true,
-    "send_diff_values": true,
-    "send_derived_values": true,
-    "send_total_values": true,
-    "send_bandwidths": true
+    "send_bandwidths": true,
+    "send_total_values": true
   }
 ```
 
@@ -34,50 +16,24 @@ GPFS / IBM Spectrum Scale filesystems.
 
 The reported filesystems can be filtered with the `exclude_filesystem` option
 in the configuration.
-Individual metrics can be disabled for reporting using option `exclude_metrics`.
 
 The path to the `mmpmon` command can be configured with the `mmpmon_path` option
 in the configuration. If nothing is set, the collector searches in `$PATH` for `mmpmon`.
 
-If cc-metric-collector is run as non-root, password-less `sudo` can be enabled with `use_sudo`. 
-Because `mmpmon` is by default only executable as root, the Go procedure to
-search for it in `$PATH` will fail. If you use `sudo`, you must specify the
-complete path for `mmpmon` using the parameter `mmpmon_path`.
-
 
 Metrics:
-* `gpfs_bytes_read` (if `send_abs_values == true`)
-* `gpfs_bytes_written` (if `send_abs_values == true`)
-* `gpfs_num_opens` (if `send_abs_values == true`)
-* `gpfs_num_closes` (if `send_abs_values == true`)
-* `gpfs_num_reads` (if `send_abs_values == true`)
-* `gpfs_num_writes` (if `send_abs_values == true`)
-* `gpfs_num_readdirs` (if `send_abs_values == true`)
-* `gpfs_num_inode_updates` (if `send_abs_values == true`)
-* `gpfs_bytes_read_diff` (if `send_diff_values == true`)
-* `gpfs_bytes_written_diff` (if `send_diff_values == true`)
-* `gpfs_num_opens_diff` (if `send_diff_values == true`)
-* `gpfs_num_closes_diff` (if `send_diff_values == true`)
-* `gpfs_num_reads_diff` (if `send_diff_values == true`)
-* `gpfs_num_writes_diff` (if `send_diff_values == true`)
-* `gpfs_num_readdirs_diff` (if `send_diff_values == true`)
-* `gpfs_num_inode_updates_diff` (if `send_diff_values == true`)
-* `gpfs_bw_read` (if `send_derived_values == true` or `send_bandwidths == true`)
-* `gpfs_bw_write` (if `send_derived_values == true` or `send_bandwidths == true`)
-* `gpfs_opens_rate` (if `send_derived_values == true`)
-* `gpfs_closes_rate` (if `send_derived_values == true`)
-* `gpfs_reads_rate` (if `send_derived_values == true`)
-* `gpfs_writes_rate` (if `send_derived_values == true`)
-* `gpfs_readdirs_rate` (if `send_derived_values == true`)
-* `gpfs_inode_updates_rate` (if `send_derived_values == true`)
-* `gpfs_bytes_total = gpfs_bytes_read + gpfs_bytes_written` (if `send_total_values == true` and `send_abs_values == true`)
-* `gpfs_bytes_total_diff` (if `send_total_values == true` and `send_diff_values == true`)
-* `gpfs_bw_total` ((if `send_total_values == true` and `send_derived_values == true`) or `send_bandwidths == true`)
-* `gpfs_iops = gpfs_num_reads + gpfs_num_writes` (if `send_total_values == true` and `send_abs_values == true`)
-* `gpfs_iops_diff` (if `send_total_values == true` and `send_diff_values == true`)
-* `gpfs_iops_rate` (if `send_total_values == true` and `send_derived_values == true`)
-* `gpfs_metaops = gpfs_num_inode_updates + gpfs_num_closes + gpfs_num_opens + gpfs_num_readdirs` (if `send_total_values == true` and `send_abs_values == true`)
-* `gpfs_metaops_diff` (if `send_total_values == true` and `send_diff_values == true`)
-* `gpfs_metaops_rate` (if `send_total_values == true` and `send_derived_values == true`)
+* `gpfs_bytes_read`
+* `gpfs_bytes_written`
+* `gpfs_num_opens`
+* `gpfs_num_closes`
+* `gpfs_num_reads`
+* `gpfs_num_writes`
+* `gpfs_num_readdirs`
+* `gpfs_num_inode_updates`
+* `gpfs_bytes_total = gpfs_bytes_read + gpfs_bytes_written` (if `send_total_values == true`)
+* `gpfs_iops = gpfs_num_reads + gpfs_num_writes` (if `send_total_values == true`)
+* `gpfs_metaops = gpfs_num_inode_updates + gpfs_num_closes + gpfs_num_opens + gpfs_num_readdirs` (if `send_total_values == true`)
+* `gpfs_bw_read` (if `send_bandwidths == true`)
+* `gpfs_bw_write` (if `send_bandwidths == true`)
 
 The collector adds a `filesystem` tag to all metrics

collectors/infinibandMetric.go

@@ -1,19 +1,11 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
 	"fmt"
 	"os"
-	"slices"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 	"golang.org/x/sys/unix"
 
 	"encoding/json"
@@ -66,9 +58,7 @@ func (m *InfinibandCollector) Init(config json.RawMessage) error {
 
 	var err error
 	m.name = "InfinibandCollector"
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	m.parallel = true
 	m.meta = map[string]string{
 		"source": m.name,
@@ -114,7 +104,14 @@ func (m *InfinibandCollector) Init(config json.RawMessage) error {
 		port := pathSplit[6]
 
 		// Skip excluded devices
-		if slices.Contains(m.config.ExcludeDevices, device) {
+		skip := false
+		for _, excludedDevice := range m.config.ExcludeDevices {
+			if excludedDevice == device {
+				skip = true
+				break
+			}
+		}
+		if skip {
 			continue
 		}
 
@@ -237,7 +234,7 @@ func (m *InfinibandCollector) Read(interval time.Duration, output chan lp.CCMess
 						counterDef.name,
 						info.tagSet,
 						m.meta,
-						map[string]any{
+						map[string]interface{}{
 							"value": counterDef.currentState,
 						},
 						now); err == nil {
@@ -255,7 +252,7 @@ func (m *InfinibandCollector) Read(interval time.Duration, output chan lp.CCMess
 							counterDef.name+"_bw",
 							info.tagSet,
 							m.meta,
-							map[string]any{
+							map[string]interface{}{
 								"value": rate,
 							},
 							now); err == nil {
@@ -285,7 +282,7 @@ func (m *InfinibandCollector) Read(interval time.Duration, output chan lp.CCMess
 					"ib_total",
 					info.tagSet,
 					m.meta,
-					map[string]any{
+					map[string]interface{}{
 						"value": ib_total,
 					},
 					now); err == nil {
@@ -298,7 +295,7 @@ func (m *InfinibandCollector) Read(interval time.Duration, output chan lp.CCMess
 					"ib_total_pkts",
 					info.tagSet,
 					m.meta,
-					map[string]any{
+					map[string]interface{}{
 						"value": ib_total_pkts,
 					},
 					now); err == nil {

collectors/infinibandMetric.md

@@ -1,13 +1,3 @@
-<!--
----
-title: InfiniBand Metric collector
-description: Collect metrics for InfiniBand devices
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/infiniband.md
----
--->
 
 ## `ibstat` collector
 

collectors/iostatMetric.go

@@ -1,38 +1,30 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
 	"bufio"
 	"encoding/json"
 	"errors"
-	"fmt"
 	"os"
-	"slices"
 	"strconv"
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 )
 
+// Konstante für den Pfad zu /proc/diskstats
 const IOSTATFILE = `/proc/diskstats`
 
 type IOstatCollectorConfig struct {
 	ExcludeMetrics []string `json:"exclude_metrics,omitempty"`
+	// Neues Feld zum Ausschließen von Devices per JSON-Konfiguration
 	ExcludeDevices []string `json:"exclude_devices,omitempty"`
 }
 
 type IOstatCollectorEntry struct {
-	currentValues map[string]int64
-	lastValues    map[string]int64
-	tags          map[string]string
+	lastValues map[string]int64
+	tags       map[string]string
 }
 
 type IOstatCollector struct {
@@ -47,9 +39,7 @@ func (m *IOstatCollector) Init(config json.RawMessage) error {
 	m.name = "IOstatCollector"
 	m.parallel = true
 	m.meta = map[string]string{"source": m.name, "group": "Disk"}
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	if len(config) > 0 {
 		err = json.Unmarshal(config, &m.config)
 		if err != nil {
@@ -79,7 +69,7 @@ func (m *IOstatCollector) Init(config json.RawMessage) error {
 	m.devices = make(map[string]IOstatCollectorEntry)
 	m.matches = make(map[string]int)
 	for k, v := range matches {
-		if !slices.Contains(m.config.ExcludeMetrics, k) {
+		if _, skip := stringArrayContains(m.config.ExcludeMetrics, k); !skip {
 			m.matches[k] = v
 		}
 	}
@@ -88,8 +78,10 @@ func (m *IOstatCollector) Init(config json.RawMessage) error {
 	}
 	file, err := os.Open(IOSTATFILE)
 	if err != nil {
-		return fmt.Errorf("%s Init(): Failed to open file \"%s\": %w", m.name, IOSTATFILE, err)
+		cclog.ComponentError(m.name, err.Error())
+		return err
 	}
+	defer file.Close()
 
 	scanner := bufio.NewScanner(file)
 	for scanner.Scan() {
@@ -103,36 +95,21 @@ func (m *IOstatCollector) Init(config json.RawMessage) error {
 		if strings.Contains(device, "loop") {
 			continue
 		}
-		if slices.Contains(m.config.ExcludeDevices, device) {
+		if _, skip := stringArrayContains(m.config.ExcludeDevices, device); skip {
 			continue
 		}
-		currentValues := make(map[string]int64)
-		lastValues := make(map[string]int64)
+		values := make(map[string]int64)
 		for m := range m.matches {
-			currentValues[m] = 0
-			lastValues[m] = 0
-		}
-		for name, idx := range m.matches {
-			if idx < len(linefields) {
-				if value, err := strconv.ParseInt(linefields[idx], 0, 64); err == nil {
-					currentValues[name] = value
-					lastValues[name] = value // Set last to current for first read
-				}
-			}
+			values[m] = 0
 		}
 		m.devices[device] = IOstatCollectorEntry{
 			tags: map[string]string{
 				"device": device,
 				"type":   "node",
 			},
-			currentValues: currentValues,
-			lastValues:    lastValues,
+			lastValues: values,
 		}
 	}
-	if err := file.Close(); err != nil {
-		return fmt.Errorf("%s Init(): Failed to close file \"%s\": %w", m.name, IOSTATFILE, err)
-	}
-
 	m.init = true
 	return err
 }
@@ -144,18 +121,10 @@ func (m *IOstatCollector) Read(interval time.Duration, output chan lp.CCMessage)
 
 	file, err := os.Open(IOSTATFILE)
 	if err != nil {
-		cclog.ComponentError(
-			m.name,
-			fmt.Sprintf("Read(): Failed to open file '%s': %v", IOSTATFILE, err))
+		cclog.ComponentError(m.name, err.Error())
 		return
 	}
-	defer func() {
-		if err := file.Close(); err != nil {
-			cclog.ComponentError(
-				m.name,
-				fmt.Sprintf("Read(): Failed to close file '%s': %v", IOSTATFILE, err))
-		}
-	}()
+	defer file.Close()
 
 	scanner := bufio.NewScanner(file)
 	for scanner.Scan() {
@@ -171,28 +140,24 @@ func (m *IOstatCollector) Read(interval time.Duration, output chan lp.CCMessage)
 		if strings.Contains(device, "loop") {
 			continue
 		}
-		if slices.Contains(m.config.ExcludeDevices, device) {
+		if _, skip := stringArrayContains(m.config.ExcludeDevices, device); skip {
 			continue
 		}
 		if _, ok := m.devices[device]; !ok {
 			continue
 		}
-		// Update current and last values
 		entry := m.devices[device]
 		for name, idx := range m.matches {
 			if idx < len(linefields) {
 				x, err := strconv.ParseInt(linefields[idx], 0, 64)
 				if err == nil {
-					// Calculate difference using previous current and new value
-					diff := x - entry.currentValues[name]
-					y, err := lp.NewMetric(name, entry.tags, m.meta, int(diff), time.Now())
+					diff := x - entry.lastValues[name]
+					y, err := lp.NewMessage(name, entry.tags, m.meta, map[string]interface{}{"value": int(diff)}, time.Now())
 					if err == nil {
 						output <- y
 					}
-					// Update last to previous current, and current to new value
-					entry.lastValues[name] = entry.currentValues[name]
-					entry.currentValues[name] = x
 				}
+				entry.lastValues[name] = x
 			}
 		}
 		m.devices[device] = entry

collectors/iostatMetric.md

@@ -1,13 +1,3 @@
-<!--
----
-title: IOStat Metric collector
-description: Collect metrics from `/proc/diskstats`
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/iostat.md
----
--->
 
 ## `iostat` collector
 

collectors/ipmiMetric.go

@@ -1,10 +1,3 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
@@ -14,13 +7,14 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"log"
 	"os/exec"
 	"strconv"
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 )
 
 const IPMISENSORS_PATH = `ipmi-sensors`
@@ -43,9 +37,7 @@ func (m *IpmiCollector) Init(config json.RawMessage) error {
 	}
 
 	m.name = "IpmiCollector"
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	m.parallel = true
 	m.meta = map[string]string{
 		"source": m.name,
@@ -117,20 +109,19 @@ func (m *IpmiCollector) readIpmiTool(cmd string, output chan lp.CCMessage) {
 		}
 		v, err := strconv.ParseFloat(strings.TrimSpace(lv[1]), 64)
 		if err == nil {
-			name := strings.ToLower(strings.ReplaceAll(strings.TrimSpace(lv[0]), " ", "_"))
+			name := strings.ToLower(strings.Replace(strings.TrimSpace(lv[0]), " ", "_", -1))
 			unit := strings.TrimSpace(lv[2])
-			switch unit {
-			case "Volts":
+			if unit == "Volts" {
 				unit = "Volts"
-			case "degrees C":
+			} else if unit == "degrees C" {
 				unit = "degC"
-			case "degrees F":
+			} else if unit == "degrees F" {
 				unit = "degF"
-			case "Watts":
+			} else if unit == "Watts" {
 				unit = "Watts"
 			}
 
-			y, err := lp.NewMessage(name, map[string]string{"type": "node"}, m.meta, map[string]any{"value": v}, time.Now())
+			y, err := lp.NewMessage(name, map[string]string{"type": "node"}, m.meta, map[string]interface{}{"value": v}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", unit)
 				output <- y
@@ -152,30 +143,23 @@ func (m *IpmiCollector) readIpmiTool(cmd string, output chan lp.CCMessage) {
 
 func (m *IpmiCollector) readIpmiSensors(cmd string, output chan lp.CCMessage) {
 
-	// Setup ipmisensors command
 	command := exec.Command(cmd, "--comma-separated-output", "--sdr-cache-recreate")
-	stdout, _ := command.StdoutPipe()
-	errBuf := new(bytes.Buffer)
-	command.Stderr = errBuf
-
-	// start command
-	if err := command.Start(); err != nil {
-		cclog.ComponentError(
-			m.name,
-			fmt.Sprintf("readIpmiSensors(): Failed to start command \"%s\": %v", command.String(), err),
-		)
+	command.Wait()
+	stdout, err := command.Output()
+	if err != nil {
+		log.Print(err)
 		return
 	}
 
-	// Read command output
-	scanner := bufio.NewScanner(stdout)
-	for scanner.Scan() {
-		lv := strings.Split(scanner.Text(), ",")
+	ll := strings.Split(string(stdout), "\n")
+
+	for _, line := range ll {
+		lv := strings.Split(line, ",")
 		if len(lv) > 3 {
 			v, err := strconv.ParseFloat(lv[3], 64)
 			if err == nil {
-				name := strings.ToLower(strings.ReplaceAll(lv[1], " ", "_"))
-				y, err := lp.NewMessage(name, map[string]string{"type": "node"}, m.meta, map[string]any{"value": v}, time.Now())
+				name := strings.ToLower(strings.Replace(lv[1], " ", "_", -1))
+				y, err := lp.NewMessage(name, map[string]string{"type": "node"}, m.meta, map[string]interface{}{"value": v}, time.Now())
 				if err == nil {
 					if len(lv) > 4 {
 						y.AddMeta("unit", lv[4])
@@ -185,18 +169,6 @@ func (m *IpmiCollector) readIpmiSensors(cmd string, output chan lp.CCMessage) {
 			}
 		}
 	}
-
-	// Wait for command end
-	if err := command.Wait(); err != nil {
-		errMsg, _ := io.ReadAll(errBuf)
-		cclog.ComponentError(
-			m.name,
-			fmt.Sprintf("readIpmiSensors(): Failed to wait for the end of command \"%s\": %v\n", command.String(), err),
-		)
-		cclog.ComponentError(m.name, fmt.Sprintf("readIpmiSensors(): command stderr: \"%s\"\n", strings.TrimSpace(string(errMsg))))
-		return
-	}
-
 }
 
 func (m *IpmiCollector) Read(interval time.Duration, output chan lp.CCMessage) {

collectors/ipmiMetric.md

@@ -1,13 +1,3 @@
-<!--
----
-title: IPMI Metric collector
-description: Collect metrics using ipmitool or ipmi-sensors
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/ipmi.md
----
--->
 
 ## `ipmistat` collector
 

collectors/likwidMetric.go

@@ -1,10 +1,3 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 /*
@@ -19,7 +12,6 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"maps"
 	"math"
 	"os"
 	"os/signal"
@@ -32,8 +24,8 @@ import (
 	"time"
 	"unsafe"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 	agg "github.com/ClusterCockpit/cc-metric-collector/internal/metricAggregator"
 	topo "github.com/ClusterCockpit/cc-metric-collector/pkg/ccTopology"
 	"github.com/NVIDIA/go-nvml/pkg/dl"
@@ -188,7 +180,7 @@ func getBaseFreq() float64 {
 	for _, f := range files {
 		buffer, err := os.ReadFile(f)
 		if err == nil {
-			data := strings.ReplaceAll(string(buffer), "\n", "")
+			data := strings.Replace(string(buffer), "\n", "", -1)
 			x, err := strconv.ParseInt(data, 0, 64)
 			if err == nil {
 				freq = float64(x)
@@ -198,8 +190,12 @@ func getBaseFreq() float64 {
 	}
 
 	if math.IsNaN(freq) {
-		C.timer_init()
-		freq = float64(C.timer_getCycleClock()) / 1e3
+		C.power_init(0)
+		info := C.get_powerInfo()
+		if float64(info.baseFrequency) != 0 {
+			freq = float64(info.baseFrequency)
+		}
+		C.power_finalize()
 	}
 	return freq * 1e3
 }
@@ -231,13 +227,9 @@ func (m *LikwidCollector) Init(config json.RawMessage) error {
 
 	if m.config.ForceOverwrite {
 		cclog.ComponentDebug(m.name, "Set LIKWID_FORCE=1")
-		if err := os.Setenv("LIKWID_FORCE", "1"); err != nil {
-			return fmt.Errorf("error setting environment variable LIKWID_FORCE=1: %v", err)
-		}
-	}
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
+		os.Setenv("LIKWID_FORCE", "1")
 	}
+	m.setup()
 
 	m.meta = map[string]string{"group": "PerfCounter"}
 	cclog.ComponentDebug(m.name, "Get cpulist and init maps and lists")
@@ -321,14 +313,7 @@ func (m *LikwidCollector) Init(config json.RawMessage) error {
 	case "accessdaemon":
 		if len(m.config.DaemonPath) > 0 {
 			p := os.Getenv("PATH")
-			if len(p) > 0 {
-				p = m.config.DaemonPath + ":" + p
-			} else {
-				p = m.config.DaemonPath
-			}
-			if err := os.Setenv("PATH", p); err != nil {
-				return fmt.Errorf("error setting environment variable PATH=%s: %v", p, err)
-			}
+			os.Setenv("PATH", m.config.DaemonPath+":"+p)
 		}
 		C.HPMmode(1)
 		retCode := C.HPMinit()
@@ -387,18 +372,10 @@ func (m *LikwidCollector) takeMeasurement(evidx int, evset LikwidEventsetConfig,
 	// Watch changes for the lock file ()
 	watcher, err := fsnotify.NewWatcher()
 	if err != nil {
-		cclog.ComponentError(
-			m.name,
-			fmt.Sprintf("takeMeasurement(): Failed to create a new fsnotify.Watcher: %v", err))
+		cclog.ComponentError(m.name, err.Error())
 		return true, err
 	}
-	defer func() {
-		if err := watcher.Close(); err != nil {
-			cclog.ComponentError(
-				m.name,
-				fmt.Sprintf("takeMeasurement(): Failed to close fsnotify.Watcher: %v", err))
-		}
-	}()
+	defer watcher.Close()
 	if len(m.config.LockfilePath) > 0 {
 		// Check if the lock file exists
 		info, err := os.Stat(m.config.LockfilePath)
@@ -408,9 +385,7 @@ func (m *LikwidCollector) takeMeasurement(evidx int, evset LikwidEventsetConfig,
 			if createErr != nil {
 				return true, fmt.Errorf("failed to create lock file: %v", createErr)
 			}
-			if err := file.Close(); err != nil {
-				return true, fmt.Errorf("failed to close lock file: %v", err)
-			}
+			file.Close()
 			info, err = os.Stat(m.config.LockfilePath) // Recheck the file after creation
 		}
 		if err != nil {
@@ -617,6 +592,7 @@ func (m *LikwidCollector) calcEventsetMetrics(evset LikwidEventsetConfig, interv
 				evset.metrics[tid][metric.Name] = value
 				// Now we have the result, send it with the proper tags
 				if !math.IsNaN(value) && metric.Publish {
+					fields := map[string]interface{}{"value": value}
 					y, err :=
 						lp.NewMessage(
 							metric.Name,
@@ -624,9 +600,7 @@ func (m *LikwidCollector) calcEventsetMetrics(evset LikwidEventsetConfig, interv
 								"type": metric.Type,
 							},
 							m.meta,
-							map[string]any{
-								"value": value,
-							},
+							fields,
 							now,
 						)
 					if err == nil {
@@ -664,7 +638,7 @@ func (m *LikwidCollector) calcEventsetMetrics(evset LikwidEventsetConfig, interv
 							"type-id": fmt.Sprintf("%d", coreID),
 						},
 						m.meta,
-						map[string]any{
+						map[string]interface{}{
 							"value": value,
 						},
 						now,
@@ -701,7 +675,7 @@ func (m *LikwidCollector) calcEventsetMetrics(evset LikwidEventsetConfig, interv
 							"type-id": fmt.Sprintf("%d", socketID),
 						},
 						m.meta,
-						map[string]any{
+						map[string]interface{}{
 							"value": value,
 						},
 						now,
@@ -735,7 +709,7 @@ func (m *LikwidCollector) calcEventsetMetrics(evset LikwidEventsetConfig, interv
 						"type": "node",
 					},
 					m.meta,
-					map[string]any{
+					map[string]interface{}{
 						"value": totalNodeValue,
 					},
 					now,
@@ -771,7 +745,9 @@ func (m *LikwidCollector) calcGlobalMetrics(groups []LikwidEventsetConfig, inter
 				// Here we generate parameter list
 				params := make(map[string]float64)
 				for _, evset := range groups {
-					maps.Copy(params, evset.metrics[tid])
+					for mname, mres := range evset.metrics[tid] {
+						params[mname] = mres
+					}
 				}
 				params["gotime"] = interval.Seconds()
 				// Evaluate the metric
@@ -793,7 +769,7 @@ func (m *LikwidCollector) calcGlobalMetrics(groups []LikwidEventsetConfig, inter
 									"type": metric.Type,
 								},
 								m.meta,
-								map[string]any{
+								map[string]interface{}{
 									"value": value,
 								},
 								now,
@@ -834,21 +810,13 @@ func (m *LikwidCollector) ReadThread(interval time.Duration, output chan lp.CCMe
 
 		if !skip {
 			// read measurements and derive event set metrics
-			err = m.calcEventsetMetrics(e, interval, output)
-			if err != nil {
-				cclog.ComponentError(m.name, err.Error())
-				return
-			}
+			m.calcEventsetMetrics(e, interval, output)
 			groups = append(groups, e)
 		}
 	}
 	if len(groups) > 0 {
 		// calculate global metrics
-		err = m.calcGlobalMetrics(groups, interval, output)
-		if err != nil {
-			cclog.ComponentError(m.name, err.Error())
-			return
-		}
+		m.calcGlobalMetrics(groups, interval, output)
 	}
 }
 

collectors/likwidMetric.md

@@ -1,13 +1,3 @@
-<!--
----
-title: LIKWID collector
-description: Collect hardware performance events and metrics using LIKWID
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/likwid.md
----
--->
 
 ## `likwid` collector
 

collectors/loadavgMetric.go

@@ -1,23 +1,15 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
 	"encoding/json"
 	"fmt"
 	"os"
-	"slices"
 	"strconv"
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 )
 
 // LoadavgCollector collects:
@@ -43,9 +35,7 @@ type LoadavgCollector struct {
 func (m *LoadavgCollector) Init(config json.RawMessage) error {
 	m.name = "LoadavgCollector"
 	m.parallel = true
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	if len(config) > 0 {
 		err := json.Unmarshal(config, &m.config)
 		if err != nil {
@@ -67,10 +57,10 @@ func (m *LoadavgCollector) Init(config json.RawMessage) error {
 	m.proc_skips = make([]bool, len(m.proc_matches))
 
 	for i, name := range m.load_matches {
-		m.load_skips[i] = slices.Contains(m.config.ExcludeMetrics, name)
+		_, m.load_skips[i] = stringArrayContains(m.config.ExcludeMetrics, name)
 	}
 	for i, name := range m.proc_matches {
-		m.proc_skips[i] = slices.Contains(m.config.ExcludeMetrics, name)
+		_, m.proc_skips[i] = stringArrayContains(m.config.ExcludeMetrics, name)
 	}
 	m.init = true
 	return nil
@@ -102,7 +92,7 @@ func (m *LoadavgCollector) Read(interval time.Duration, output chan lp.CCMessage
 		if m.load_skips[i] {
 			continue
 		}
-		y, err := lp.NewMessage(name, m.tags, m.meta, map[string]any{"value": x}, now)
+		y, err := lp.NewMessage(name, m.tags, m.meta, map[string]interface{}{"value": x}, now)
 		if err == nil {
 			output <- y
 		}
@@ -121,7 +111,7 @@ func (m *LoadavgCollector) Read(interval time.Duration, output chan lp.CCMessage
 		if m.proc_skips[i] {
 			continue
 		}
-		y, err := lp.NewMessage(name, m.tags, m.meta, map[string]any{"value": x}, now)
+		y, err := lp.NewMessage(name, m.tags, m.meta, map[string]interface{}{"value": x}, now)
 		if err == nil {
 			output <- y
 		}

collectors/loadavgMetric.md

@@ -1,14 +1,3 @@
-<!--
----
-title: Load average metric collector
-description: Collect metrics from `/proc/loadavg`
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/loadavg.md
----
--->
-
 
 ## `loadavg` collector
 

collectors/lustreMetric.go

@@ -1,10 +1,3 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
@@ -13,13 +6,12 @@ import (
 	"fmt"
 	"os/exec"
 	"os/user"
-	"slices"
 	"strconv"
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 )
 
 const LUSTRE_SYSFS = `/sys/fs/lustre`
@@ -62,6 +54,7 @@ func (m *LustreCollector) getDeviceDataCommand(device string) []string {
 	} else {
 		command = exec.Command(m.lctl, LCTL_OPTION, statsfile)
 	}
+	command.Wait()
 	stdout, _ := command.Output()
 	return strings.Split(string(stdout), "\n")
 }
@@ -302,9 +295,7 @@ func (m *LustreCollector) Init(config json.RawMessage) error {
 			return err
 		}
 	}
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	m.tags = map[string]string{"type": "node"}
 	m.meta = map[string]string{"source": m.name, "group": "Lustre"}
 
@@ -341,21 +332,21 @@ func (m *LustreCollector) Init(config json.RawMessage) error {
 	m.definitions = []LustreMetricDefinition{}
 	if m.config.SendAbsoluteValues {
 		for _, def := range LustreAbsMetrics {
-			if !slices.Contains(m.config.ExcludeMetrics, def.name) {
+			if _, skip := stringArrayContains(m.config.ExcludeMetrics, def.name); !skip {
 				m.definitions = append(m.definitions, def)
 			}
 		}
 	}
 	if m.config.SendDiffValues {
 		for _, def := range LustreDiffMetrics {
-			if !slices.Contains(m.config.ExcludeMetrics, def.name) {
+			if _, skip := stringArrayContains(m.config.ExcludeMetrics, def.name); !skip {
 				m.definitions = append(m.definitions, def)
 			}
 		}
 	}
 	if m.config.SendDerivedValues {
 		for _, def := range LustreDeriveMetrics {
-			if !slices.Contains(m.config.ExcludeMetrics, def.name) {
+			if _, skip := stringArrayContains(m.config.ExcludeMetrics, def.name); !skip {
 				m.definitions = append(m.definitions, def)
 			}
 		}
@@ -404,23 +395,23 @@ func (m *LustreCollector) Read(interval time.Duration, output chan lp.CCMessage)
 			} else {
 				use_x = devData[def.name]
 			}
-			var value any
+			var value interface{}
 			switch def.calc {
 			case "none":
 				value = use_x
-				y, err = lp.NewMessage(def.name, m.tags, m.meta, map[string]any{"value": value}, time.Now())
+				y, err = lp.NewMessage(def.name, m.tags, m.meta, map[string]interface{}{"value": value}, time.Now())
 			case "difference":
 				value = use_x - devData[def.name]
 				if value.(int64) < 0 {
 					value = 0
 				}
-				y, err = lp.NewMessage(def.name, m.tags, m.meta, map[string]any{"value": value}, time.Now())
+				y, err = lp.NewMessage(def.name, m.tags, m.meta, map[string]interface{}{"value": value}, time.Now())
 			case "derivative":
 				value = float64(use_x-devData[def.name]) / tdiff.Seconds()
 				if value.(float64) < 0 {
 					value = 0
 				}
-				y, err = lp.NewMessage(def.name, m.tags, m.meta, map[string]any{"value": value}, time.Now())
+				y, err = lp.NewMessage(def.name, m.tags, m.meta, map[string]interface{}{"value": value}, time.Now())
 			}
 			if err == nil {
 				y.AddTag("device", device)

collectors/lustreMetric.md

@@ -1,14 +1,3 @@
-<!--
----
-title: Lustre filesystem metric collector
-description: Collect metrics for Lustre filesystems
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/lustre.md
----
--->
-
 
 ## `lustrestat` collector
 
@@ -54,4 +43,4 @@ Metrics:
 * `lustre_statfs_diff` (if `send_diff_values == true`)
 * `lustre_inode_permission_diff` (if `send_diff_values == true`)
 
-This collector adds an `device` tag.
+This collector adds an `device` tag.

collectors/memstatMetric.go

@@ -1,10 +1,3 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
@@ -15,13 +8,12 @@ import (
 	"os"
 	"path/filepath"
 	"regexp"
-	"slices"
 	"strconv"
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 )
 
 const MEMSTATFILE = "/proc/meminfo"
@@ -59,11 +51,7 @@ func getStats(filename string) map[string]MemstatStats {
 	if err != nil {
 		cclog.Error(err.Error())
 	}
-	defer func() {
-		if err := file.Close(); err != nil {
-			cclog.Error(err.Error())
-		}
-	}()
+	defer file.Close()
 
 	scanner := bufio.NewScanner(file)
 	for scanner.Scan() {
@@ -120,20 +108,19 @@ func (m *MemstatCollector) Init(config json.RawMessage) error {
 		"MemShared":    "mem_shared",
 	}
 	for k, v := range matches {
-		if !slices.Contains(m.config.ExcludeMetrics, k) {
+		_, skip := stringArrayContains(m.config.ExcludeMetrics, k)
+		if !skip {
 			m.matches[k] = v
 		}
 	}
 	m.sendMemUsed = false
-	if !slices.Contains(m.config.ExcludeMetrics, "mem_used") {
+	if _, skip := stringArrayContains(m.config.ExcludeMetrics, "mem_used"); !skip {
 		m.sendMemUsed = true
 	}
 	if len(m.matches) == 0 {
 		return errors.New("no metrics to collect")
 	}
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 
 	if m.config.NodeStats {
 		if stats := getStats(MEMSTATFILE); len(stats) == 0 {
@@ -180,7 +167,7 @@ func (m *MemstatCollector) Read(interval time.Duration, output chan lp.CCMessage
 	sendStats := func(stats map[string]MemstatStats, tags map[string]string) {
 		for match, name := range m.matches {
 			var value float64 = 0
-			unit := ""
+			var unit string = ""
 			if v, ok := stats[match]; ok {
 				value = v.value
 				if len(v.unit) > 0 {
@@ -188,7 +175,7 @@ func (m *MemstatCollector) Read(interval time.Duration, output chan lp.CCMessage
 				}
 			}
 
-			y, err := lp.NewMessage(name, tags, m.meta, map[string]any{"value": value}, time.Now())
+			y, err := lp.NewMessage(name, tags, m.meta, map[string]interface{}{"value": value}, time.Now())
 			if err == nil {
 				if len(unit) > 0 {
 					y.AddMeta("unit", unit)
@@ -221,7 +208,7 @@ func (m *MemstatCollector) Read(interval time.Duration, output chan lp.CCMessage
 					}
 				}
 			}
-			y, err := lp.NewMessage("mem_used", tags, m.meta, map[string]any{"value": memUsed}, time.Now())
+			y, err := lp.NewMessage("mem_used", tags, m.meta, map[string]interface{}{"value": memUsed}, time.Now())
 			if err == nil {
 				if len(unit) > 0 {
 					y.AddMeta("unit", unit)

collectors/memstatMetric.md

@@ -1,14 +1,3 @@
-<!--
----
-title: Memory statistics metric collector
-description: Collect metrics from `/proc/meminfo`
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/memstat.md
----
--->
-
 
 ## `memstat` collector
 

collectors/metricCollector.go

@@ -1,10 +1,3 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
@@ -12,7 +5,7 @@ import (
 	"fmt"
 	"time"
 
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 )
 
 type MetricCollector interface {
@@ -51,6 +44,30 @@ func (c *metricCollector) Initialized() bool {
 	return c.init
 }
 
+// intArrayContains scans an array of ints if the value str is present in the array
+// If the specified value is found, the corresponding array index is returned.
+// The bool value is used to signal success or failure
+func intArrayContains(array []int, str int) (int, bool) {
+	for i, a := range array {
+		if a == str {
+			return i, true
+		}
+	}
+	return -1, false
+}
+
+// stringArrayContains scans an array of strings if the value str is present in the array
+// If the specified value is found, the corresponding array index is returned.
+// The bool value is used to signal success or failure
+func stringArrayContains(array []string, str string) (int, bool) {
+	for i, a := range array {
+		if a == str {
+			return i, true
+		}
+	}
+	return -1, false
+}
+
 // RemoveFromStringList removes the string r from the array of strings s
 // If r is not contained in the array an error is returned
 func RemoveFromStringList(s []string, r string) ([]string, error) {

collectors/netstatMetric.go

@@ -1,24 +1,16 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
 	"bufio"
 	"encoding/json"
-	"fmt"
+	"errors"
 	"os"
-	"slices"
 	"strconv"
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 )
 
 const NETSTATFILE = "/proc/net/dev"
@@ -66,9 +58,7 @@ func getCanonicalName(raw string, aliasToCanonical map[string]string) string {
 func (m *NetstatCollector) Init(config json.RawMessage) error {
 	m.name = "NetstatCollector"
 	m.parallel = true
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	m.lastTimestamp = time.Now()
 
 	const (
@@ -110,8 +100,10 @@ func (m *NetstatCollector) Init(config json.RawMessage) error {
 	// Check access to net statistic file
 	file, err := os.Open(NETSTATFILE)
 	if err != nil {
-		return fmt.Errorf("%s Init(): failed to open netstat file \"%s\": %w", m.name, NETSTATFILE, err)
+		cclog.ComponentError(m.name, err.Error())
+		return err
 	}
+	defer file.Close()
 
 	scanner := bufio.NewScanner(file)
 	for scanner.Scan() {
@@ -130,7 +122,7 @@ func (m *NetstatCollector) Init(config json.RawMessage) error {
 		canonical := getCanonicalName(raw, m.aliasToCanonical)
 
 		// Check if device is a included device
-		if slices.Contains(m.config.IncludeDevices, canonical) {
+		if _, ok := stringArrayContains(m.config.IncludeDevices, canonical); ok {
 			// Tag will contain original device name (raw).
 			tags := map[string]string{"stype": "network", "stype-id": raw, "type": "node"}
 			meta_unit_byte := map[string]string{"source": m.name, "group": "Network", "unit": "bytes"}
@@ -175,13 +167,8 @@ func (m *NetstatCollector) Init(config json.RawMessage) error {
 		}
 	}
 
-	// Close netstat file
-	if err := file.Close(); err != nil {
-		return fmt.Errorf("%s Init(): failed to close netstat file \"%s\": %w", m.name, NETSTATFILE, err)
-	}
-
 	if len(m.matches) == 0 {
-		return fmt.Errorf("%s Init(): no devices to collect metrics found", m.name)
+		return errors.New("no devices to collector metrics found")
 	}
 	m.init = true
 	return nil
@@ -200,18 +187,10 @@ func (m *NetstatCollector) Read(interval time.Duration, output chan lp.CCMessage
 
 	file, err := os.Open(NETSTATFILE)
 	if err != nil {
-		cclog.ComponentError(
-			m.name,
-			fmt.Sprintf("Read(): Failed to open file '%s': %v", NETSTATFILE, err))
+		cclog.ComponentError(m.name, err.Error())
 		return
 	}
-	defer func() {
-		if err := file.Close(); err != nil {
-			cclog.ComponentError(
-				m.name,
-				fmt.Sprintf("Read(): Failed to close file '%s': %v", NETSTATFILE, err))
-		}
-	}()
+	defer file.Close()
 
 	scanner := bufio.NewScanner(file)
 	for scanner.Scan() {
@@ -240,14 +219,14 @@ func (m *NetstatCollector) Read(interval time.Duration, output chan lp.CCMessage
 					continue
 				}
 				if m.config.SendAbsoluteValues {
-					if y, err := lp.NewMessage(metric.name, metric.tags, metric.meta, map[string]any{"value": v}, now); err == nil {
+					if y, err := lp.NewMessage(metric.name, metric.tags, metric.meta, map[string]interface{}{"value": v}, now); err == nil {
 						output <- y
 					}
 				}
 				if m.config.SendDerivedValues {
 					if metric.lastValue >= 0 {
 						rate := float64(v-metric.lastValue) / timeDiff
-						if y, err := lp.NewMessage(metric.name+"_bw", metric.tags, metric.meta_rates, map[string]any{"value": rate}, now); err == nil {
+						if y, err := lp.NewMessage(metric.name+"_bw", metric.tags, metric.meta_rates, map[string]interface{}{"value": rate}, now); err == nil {
 							output <- y
 						}
 					}

collectors/netstatMetric.md

@@ -1,13 +1,3 @@
-<!--
----
-title: Network device metric collector
-description: Collect metrics for network devices through procfs
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/netstat.md
----
--->
 
 ## `netstat` collector
 
@@ -38,4 +28,4 @@ Metrics:
 * `net_pkts_in_bw` (`unit=packets/sec` if `send_derived_values == true`)
 * `net_pkts_out_bw` (`unit=packets/sec` if `send_derived_values == true`)
 
-The device name is added as tag `stype=network,stype-id=<device>`.
+The device name is added as tag `stype=network,stype-id=<device>`.

collectors/nfs3Metric.md

@@ -1,14 +1,3 @@
-<!--
----
-title: NFS network filesystem (v3) metric collector
-description: Collect metrics for NFS network filesystems in version 3
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/nfs3.md
----
--->
-
 
 ## `nfs3stat` collector
 

collectors/nfs4Metric.md

@@ -1,14 +1,3 @@
-<!--
----
-title: NFS network filesystem (v4) metric collector
-description: Collect metrics for NFS network filesystems in version 4
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/nfs4.md
----
--->
-
 
 ## `nfs4stat` collector
 

collectors/nfsMetric.go

@@ -1,17 +1,9 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
 	"encoding/json"
 	"fmt"
 	"log"
-	"slices"
 
 	//	"os"
 	"os/exec"
@@ -19,8 +11,7 @@ import (
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 )
 
 // First part contains the code for the general NfsCollector.
@@ -46,15 +37,10 @@ type nfsCollector struct {
 
 func (m *nfsCollector) initStats() error {
 	cmd := exec.Command(m.config.Nfsstats, `-l`, `--all`)
-
-	// Wait for cmd end
-	if err := cmd.Wait(); err != nil {
-		return fmt.Errorf("initStats(): %w", err)
-	}
-
+	cmd.Wait()
 	buffer, err := cmd.Output()
 	if err == nil {
-		for line := range strings.Lines(string(buffer)) {
+		for _, line := range strings.Split(string(buffer), "\n") {
 			lf := strings.Fields(line)
 			if len(lf) != 5 {
 				continue
@@ -78,15 +64,10 @@ func (m *nfsCollector) initStats() error {
 
 func (m *nfsCollector) updateStats() error {
 	cmd := exec.Command(m.config.Nfsstats, `-l`, `--all`)
-
-	// Wait for cmd end
-	if err := cmd.Wait(); err != nil {
-		return fmt.Errorf("updateStats(): %w", err)
-	}
-
+	cmd.Wait()
 	buffer, err := cmd.Output()
 	if err == nil {
-		for line := range strings.Lines(string(buffer)) {
+		for _, line := range strings.Split(string(buffer), "\n") {
 			lf := strings.Fields(line)
 			if len(lf) != 5 {
 				continue
@@ -131,9 +112,7 @@ func (m *nfsCollector) MainInit(config json.RawMessage) error {
 		return fmt.Errorf("NfsCollector.Init(): Failed to find nfsstat binary '%s': %v", m.config.Nfsstats, err)
 	}
 	m.data = make(map[string]NfsCollectorData)
-	if err := m.initStats(); err != nil {
-		return fmt.Errorf("NfsCollector.Init(): %w", err)
-	}
+	m.initStats()
 	m.init = true
 	m.parallel = true
 	return nil
@@ -145,13 +124,7 @@ func (m *nfsCollector) Read(interval time.Duration, output chan lp.CCMessage) {
 	}
 	timestamp := time.Now()
 
-	if err := m.updateStats(); err != nil {
-		cclog.ComponentError(
-			m.name,
-			fmt.Sprintf("Read(): updateStats() failed: %v", err),
-		)
-		return
-	}
+	m.updateStats()
 	prefix := ""
 	switch m.version {
 	case "v3":
@@ -163,11 +136,11 @@ func (m *nfsCollector) Read(interval time.Duration, output chan lp.CCMessage) {
 	}
 
 	for name, data := range m.data {
-		if slices.Contains(m.config.ExcludeMetrics, name) {
+		if _, skip := stringArrayContains(m.config.ExcludeMetrics, name); skip {
 			continue
 		}
 		value := data.current - data.last
-		y, err := lp.NewMessage(fmt.Sprintf("%s_%s", prefix, name), m.tags, m.meta, map[string]any{"value": value}, timestamp)
+		y, err := lp.NewMessage(fmt.Sprintf("%s_%s", prefix, name), m.tags, m.meta, map[string]interface{}{"value": value}, timestamp)
 		if err == nil {
 			y.AddMeta("version", m.version)
 			output <- y
@@ -190,17 +163,13 @@ type Nfs4Collector struct {
 func (m *Nfs3Collector) Init(config json.RawMessage) error {
 	m.name = "Nfs3Collector"
 	m.version = `v3`
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	return m.MainInit(config)
 }
 
 func (m *Nfs4Collector) Init(config json.RawMessage) error {
 	m.name = "Nfs4Collector"
 	m.version = `v4`
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	return m.MainInit(config)
 }

collectors/nfsiostatMetric.go

@@ -1,10 +1,3 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
@@ -12,13 +5,12 @@ import (
 	"fmt"
 	"os"
 	"regexp"
-	"slices"
 	"strconv"
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 )
 
 // These are the fields we read from the JSON configuration
@@ -72,7 +64,7 @@ func (m *NfsIOStatCollector) readNfsiostats() map[string]map[string]int64 {
 		// Is this a device line with mount point, remote target and NFS version?
 		dev := resolve_regex_fields(l, deviceRegex)
 		if len(dev) > 0 {
-			if !slices.Contains(m.config.ExcludeFilesystem, dev[m.key]) {
+			if _, ok := stringArrayContains(m.config.ExcludeFilesystem, dev[m.key]); !ok {
 				current = dev
 				if len(current["version"]) == 0 {
 					current["version"] = "3"
@@ -86,7 +78,7 @@ func (m *NfsIOStatCollector) readNfsiostats() map[string]map[string]int64 {
 			if len(bytes) > 0 {
 				data[current[m.key]] = make(map[string]int64)
 				for name, sval := range bytes {
-					if !slices.Contains(m.config.ExcludeMetrics, name) {
+					if _, ok := stringArrayContains(m.config.ExcludeMetrics, name); !ok {
 						val, err := strconv.ParseInt(sval, 10, 64)
 						if err == nil {
 							data[current[m.key]][name] = val
@@ -103,9 +95,7 @@ func (m *NfsIOStatCollector) readNfsiostats() map[string]map[string]int64 {
 func (m *NfsIOStatCollector) Init(config json.RawMessage) error {
 	var err error = nil
 	m.name = "NfsIOStatCollector"
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	m.parallel = true
 	m.meta = map[string]string{"source": m.name, "group": "NFS", "unit": "bytes"}
 	m.tags = map[string]string{"type": "node"}
@@ -143,7 +133,7 @@ func (m *NfsIOStatCollector) Read(interval time.Duration, output chan lp.CCMessa
 		if old, ok := m.data[mntpoint]; ok {
 			for name, newVal := range values {
 				if m.config.SendAbsoluteValues {
-					msg, err := lp.NewMessage(fmt.Sprintf("nfsio_%s", name), m.tags, m.meta, map[string]any{"value": newVal}, now)
+					msg, err := lp.NewMessage(fmt.Sprintf("nfsio_%s", name), m.tags, m.meta, map[string]interface{}{"value": newVal}, now)
 					if err == nil {
 						msg.AddTag("stype", "filesystem")
 						msg.AddTag("stype-id", mntpoint)
@@ -152,7 +142,7 @@ func (m *NfsIOStatCollector) Read(interval time.Duration, output chan lp.CCMessa
 				}
 				if m.config.SendDerivedValues {
 					rate := float64(newVal-old[name]) / timeDiff
-					msg, err := lp.NewMessage(fmt.Sprintf("nfsio_%s_bw", name), m.tags, m.meta, map[string]any{"value": rate}, now)
+					msg, err := lp.NewMessage(fmt.Sprintf("nfsio_%s_bw", name), m.tags, m.meta, map[string]interface{}{"value": rate}, now)
 					if err == nil {
 						if strings.HasPrefix(name, "page") {
 							msg.AddMeta("unit", "4K_pages/s")

collectors/nfsiostatMetric.md

@@ -1,14 +1,3 @@
-<!--
----
-title: NFS network filesystem metrics from procfs
-description: Collect NFS network filesystem metrics for mounts from `/proc/self/mountstats`
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/nfsio.md
----
--->
-
 ## `nfsiostat` collector
 
 ```json

collectors/numastatsMetric.go

@@ -10,8 +10,8 @@ import (
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 )
 
 type NUMAStatsCollectorConfig struct {
@@ -72,22 +72,12 @@ func (m *NUMAStatsCollector) Init(config json.RawMessage) error {
 
 	m.name = "NUMAStatsCollector"
 	m.parallel = true
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	m.meta = map[string]string{
 		"source": m.name,
 		"group":  "NUMA",
 	}
 
-	m.config.SendAbsoluteValues = true
-	if len(config) > 0 {
-		err := json.Unmarshal(config, &m.config)
-		if err != nil {
-			return fmt.Errorf("unable to unmarshal numastat configuration: %s", err.Error())
-		}
-	}
-
 	// Loop for all NUMA node directories
 	base := "/sys/devices/system/node/node"
 	globPattern := base + "[0-9]*"
@@ -104,11 +94,8 @@ func (m *NUMAStatsCollector) Init(config json.RawMessage) error {
 		file := filepath.Join(dir, "numastat")
 		m.topology = append(m.topology,
 			NUMAStatsCollectorTopolgy{
-				file: file,
-				tagSet: map[string]string{
-					"type":    "memoryDomain",
-					"type-id": node,
-				},
+				file:           file,
+				tagSet:         map[string]string{"memoryDomain": node},
 				previousValues: make(map[string]int64),
 			})
 	}
@@ -158,11 +145,11 @@ func (m *NUMAStatsCollector) Read(interval time.Duration, output chan lp.CCMessa
 			}
 
 			if m.config.SendAbsoluteValues {
-				msg, err := lp.NewMetric(
+				msg, err := lp.NewMessage(
 					"numastats_"+key,
 					t.tagSet,
 					m.meta,
-					value,
+					map[string]interface{}{"value": value},
 					now,
 				)
 				if err == nil {
@@ -174,11 +161,11 @@ func (m *NUMAStatsCollector) Read(interval time.Duration, output chan lp.CCMessa
 				prev, ok := t.previousValues[key]
 				if ok {
 					rate := float64(value-prev) / timeDiff
-					msg, err := lp.NewMetric(
+					msg, err := lp.NewMessage(
 						"numastats_"+key+"_rate",
 						t.tagSet,
 						m.meta,
-						rate,
+						map[string]interface{}{"value": rate},
 						now,
 					)
 					if err == nil {
@@ -188,11 +175,7 @@ func (m *NUMAStatsCollector) Read(interval time.Duration, output chan lp.CCMessa
 				t.previousValues[key] = value
 			}
 		}
-		if err := file.Close(); err != nil {
-			cclog.ComponentError(
-				m.name,
-				fmt.Sprintf("Read(): Failed to close file '%s': %v", t.file, err))
-		}
+		file.Close()
 	}
 }
 

collectors/numastatsMetric.md

@@ -1,13 +1,3 @@
-<!--
----
-title: NUMAStat collector
-description: Collect infos about NUMA domains
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/numastat.md
----
--->
 
 ## `numastat` collector
 

collectors/nvidiaMetric.go

@@ -1,10 +1,3 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
@@ -12,13 +5,11 @@ import (
 	"errors"
 	"fmt"
 	"log"
-	"maps"
-	"slices"
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 	"github.com/NVIDIA/go-nvml/pkg/nvml"
 )
 
@@ -36,12 +27,10 @@ type NvidiaCollectorConfig struct {
 }
 
 type NvidiaCollectorDevice struct {
-	device              nvml.Device
-	excludeMetrics      map[string]bool
-	tags                map[string]string
-	meta                map[string]string
-	lastEnergyReading   uint64
-	lastEnergyTimestamp time.Time
+	device         nvml.Device
+	excludeMetrics map[string]bool
+	tags           map[string]string
+	meta           map[string]string
 }
 
 type NvidiaCollector struct {
@@ -66,9 +55,7 @@ func (m *NvidiaCollector) Init(config json.RawMessage) error {
 	m.config.ProcessMigDevices = false
 	m.config.UseUuidForMigDevices = false
 	m.config.UseSliceForMigDevices = false
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	if len(config) > 0 {
 		err = json.Unmarshal(config, &m.config)
 		if err != nil {
@@ -109,11 +96,11 @@ func (m *NvidiaCollector) Init(config json.RawMessage) error {
 	// For all GPUs
 	idx := 0
 	m.gpus = make([]NvidiaCollectorDevice, num_gpus)
-	for i := range num_gpus {
+	for i := 0; i < num_gpus; i++ {
 
 		// Skip excluded devices by ID
 		str_i := fmt.Sprintf("%d", i)
-		if slices.Contains(m.config.ExcludeDevices, str_i) {
+		if _, skip := stringArrayContains(m.config.ExcludeDevices, str_i); skip {
 			cclog.ComponentDebug(m.name, "Skipping excluded device", str_i)
 			continue
 		}
@@ -141,7 +128,7 @@ func (m *NvidiaCollector) Init(config json.RawMessage) error {
 			pciInfo.Device)
 
 		// Skip excluded devices specified by PCI ID
-		if slices.Contains(m.config.ExcludeDevices, pci_id) {
+		if _, skip := stringArrayContains(m.config.ExcludeDevices, pci_id); skip {
 			cclog.ComponentDebug(m.name, "Skipping excluded device", pci_id)
 			continue
 		}
@@ -162,8 +149,6 @@ func (m *NvidiaCollector) Init(config json.RawMessage) error {
 
 		// Add device handle
 		g.device = device
-		g.lastEnergyReading = 0
-		g.lastEnergyTimestamp = time.Now()
 
 		// Add tags
 		g.tags = map[string]string{
@@ -221,25 +206,23 @@ func (m *NvidiaCollector) Init(config json.RawMessage) error {
 	return nil
 }
 
-func readMemoryInfo(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
+func readMemoryInfo(device NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	if !device.excludeMetrics["nv_fb_mem_total"] || !device.excludeMetrics["nv_fb_mem_used"] || !device.excludeMetrics["nv_fb_mem_reserved"] {
 		var total uint64
 		var used uint64
 		var reserved uint64 = 0
-		v2 := false
+		var v2 bool = false
 		meminfo, ret := nvml.DeviceGetMemoryInfo(device.device)
 		if ret != nvml.SUCCESS {
 			err := errors.New(nvml.ErrorString(ret))
 			return err
 		}
-		// Total physical device memory (in bytes)
 		total = meminfo.Total
-		// Sum of Reserved and Allocated device memory (in bytes)
 		used = meminfo.Used
 
 		if !device.excludeMetrics["nv_fb_mem_total"] {
 			t := float64(total) / (1024 * 1024)
-			y, err := lp.NewMessage("nv_fb_mem_total", device.tags, device.meta, map[string]any{"value": t}, time.Now())
+			y, err := lp.NewMessage("nv_fb_mem_total", device.tags, device.meta, map[string]interface{}{"value": t}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "MByte")
 				output <- y
@@ -248,7 +231,7 @@ func readMemoryInfo(device *NvidiaCollectorDevice, output chan lp.CCMessage) err
 
 		if !device.excludeMetrics["nv_fb_mem_used"] {
 			f := float64(used) / (1024 * 1024)
-			y, err := lp.NewMessage("nv_fb_mem_used", device.tags, device.meta, map[string]any{"value": f}, time.Now())
+			y, err := lp.NewMessage("nv_fb_mem_used", device.tags, device.meta, map[string]interface{}{"value": f}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "MByte")
 				output <- y
@@ -257,7 +240,7 @@ func readMemoryInfo(device *NvidiaCollectorDevice, output chan lp.CCMessage) err
 
 		if v2 && !device.excludeMetrics["nv_fb_mem_reserved"] {
 			r := float64(reserved) / (1024 * 1024)
-			y, err := lp.NewMessage("nv_fb_mem_reserved", device.tags, device.meta, map[string]any{"value": r}, time.Now())
+			y, err := lp.NewMessage("nv_fb_mem_reserved", device.tags, device.meta, map[string]interface{}{"value": r}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "MByte")
 				output <- y
@@ -267,7 +250,7 @@ func readMemoryInfo(device *NvidiaCollectorDevice, output chan lp.CCMessage) err
 	return nil
 }
 
-func readBarMemoryInfo(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
+func readBarMemoryInfo(device NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	if !device.excludeMetrics["nv_bar1_mem_total"] || !device.excludeMetrics["nv_bar1_mem_used"] {
 		meminfo, ret := nvml.DeviceGetBAR1MemoryInfo(device.device)
 		if ret != nvml.SUCCESS {
@@ -276,7 +259,7 @@ func readBarMemoryInfo(device *NvidiaCollectorDevice, output chan lp.CCMessage)
 		}
 		if !device.excludeMetrics["nv_bar1_mem_total"] {
 			t := float64(meminfo.Bar1Total) / (1024 * 1024)
-			y, err := lp.NewMessage("nv_bar1_mem_total", device.tags, device.meta, map[string]any{"value": t}, time.Now())
+			y, err := lp.NewMessage("nv_bar1_mem_total", device.tags, device.meta, map[string]interface{}{"value": t}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "MByte")
 				output <- y
@@ -284,7 +267,7 @@ func readBarMemoryInfo(device *NvidiaCollectorDevice, output chan lp.CCMessage)
 		}
 		if !device.excludeMetrics["nv_bar1_mem_used"] {
 			t := float64(meminfo.Bar1Used) / (1024 * 1024)
-			y, err := lp.NewMessage("nv_bar1_mem_used", device.tags, device.meta, map[string]any{"value": t}, time.Now())
+			y, err := lp.NewMessage("nv_bar1_mem_used", device.tags, device.meta, map[string]interface{}{"value": t}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "MByte")
 				output <- y
@@ -294,7 +277,7 @@ func readBarMemoryInfo(device *NvidiaCollectorDevice, output chan lp.CCMessage)
 	return nil
 }
 
-func readUtilization(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
+func readUtilization(device NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	isMig, ret := nvml.DeviceIsMigDeviceHandle(device.device)
 	if ret != nvml.SUCCESS {
 		err := errors.New(nvml.ErrorString(ret))
@@ -318,14 +301,14 @@ func readUtilization(device *NvidiaCollectorDevice, output chan lp.CCMessage) er
 		util, ret := nvml.DeviceGetUtilizationRates(device.device)
 		if ret == nvml.SUCCESS {
 			if !device.excludeMetrics["nv_util"] {
-				y, err := lp.NewMessage("nv_util", device.tags, device.meta, map[string]any{"value": float64(util.Gpu)}, time.Now())
+				y, err := lp.NewMessage("nv_util", device.tags, device.meta, map[string]interface{}{"value": float64(util.Gpu)}, time.Now())
 				if err == nil {
 					y.AddMeta("unit", "%")
 					output <- y
 				}
 			}
 			if !device.excludeMetrics["nv_mem_util"] {
-				y, err := lp.NewMessage("nv_mem_util", device.tags, device.meta, map[string]any{"value": float64(util.Memory)}, time.Now())
+				y, err := lp.NewMessage("nv_mem_util", device.tags, device.meta, map[string]interface{}{"value": float64(util.Memory)}, time.Now())
 				if err == nil {
 					y.AddMeta("unit", "%")
 					output <- y
@@ -336,7 +319,7 @@ func readUtilization(device *NvidiaCollectorDevice, output chan lp.CCMessage) er
 	return nil
 }
 
-func readTemp(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
+func readTemp(device NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	if !device.excludeMetrics["nv_temp"] {
 		// Retrieves the current temperature readings for the device, in degrees C.
 		//
@@ -345,7 +328,7 @@ func readTemp(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
 		// * NVML_TEMPERATURE_COUNT
 		temp, ret := nvml.DeviceGetTemperature(device.device, nvml.TEMPERATURE_GPU)
 		if ret == nvml.SUCCESS {
-			y, err := lp.NewMessage("nv_temp", device.tags, device.meta, map[string]any{"value": float64(temp)}, time.Now())
+			y, err := lp.NewMessage("nv_temp", device.tags, device.meta, map[string]interface{}{"value": float64(temp)}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "degC")
 				output <- y
@@ -355,7 +338,7 @@ func readTemp(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	return nil
 }
 
-func readFan(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
+func readFan(device NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	if !device.excludeMetrics["nv_fan"] {
 		// Retrieves the intended operating speed of the device's fan.
 		//
@@ -368,7 +351,7 @@ func readFan(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
 		// This value may exceed 100% in certain cases.
 		fan, ret := nvml.DeviceGetFanSpeed(device.device)
 		if ret == nvml.SUCCESS {
-			y, err := lp.NewMessage("nv_fan", device.tags, device.meta, map[string]any{"value": float64(fan)}, time.Now())
+			y, err := lp.NewMessage("nv_fan", device.tags, device.meta, map[string]interface{}{"value": float64(fan)}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "%")
 				output <- y
@@ -378,7 +361,7 @@ func readFan(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	return nil
 }
 
-// func readFans(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
+// func readFans(device NvidiaCollectorDevice, output chan lp.CCMessage) error {
 // 	if !device.excludeMetrics["nv_fan"] {
 // 		numFans, ret := nvml.DeviceGetNumFans(device.device)
 // 		if ret == nvml.SUCCESS {
@@ -399,7 +382,7 @@ func readFan(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
 // 	return nil
 // }
 
-func readEccMode(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
+func readEccMode(device NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	if !device.excludeMetrics["nv_ecc_mode"] {
 		// Retrieves the current and pending ECC modes for the device.
 		//
@@ -409,23 +392,22 @@ func readEccMode(device *NvidiaCollectorDevice, output chan lp.CCMessage) error
 		// Changing ECC modes requires a reboot.
 		// The "pending" ECC mode refers to the target mode following the next reboot.
 		_, ecc_pend, ret := nvml.DeviceGetEccMode(device.device)
-		switch ret {
-		case nvml.SUCCESS:
+		if ret == nvml.SUCCESS {
 			var y lp.CCMessage
 			var err error
 			switch ecc_pend {
 			case nvml.FEATURE_DISABLED:
-				y, err = lp.NewMessage("nv_ecc_mode", device.tags, device.meta, map[string]any{"value": "OFF"}, time.Now())
+				y, err = lp.NewMessage("nv_ecc_mode", device.tags, device.meta, map[string]interface{}{"value": "OFF"}, time.Now())
 			case nvml.FEATURE_ENABLED:
-				y, err = lp.NewMessage("nv_ecc_mode", device.tags, device.meta, map[string]any{"value": "ON"}, time.Now())
+				y, err = lp.NewMessage("nv_ecc_mode", device.tags, device.meta, map[string]interface{}{"value": "ON"}, time.Now())
 			default:
-				y, err = lp.NewMessage("nv_ecc_mode", device.tags, device.meta, map[string]any{"value": "UNKNOWN"}, time.Now())
+				y, err = lp.NewMessage("nv_ecc_mode", device.tags, device.meta, map[string]interface{}{"value": "UNKNOWN"}, time.Now())
 			}
 			if err == nil {
 				output <- y
 			}
-		case nvml.ERROR_NOT_SUPPORTED:
-			y, err := lp.NewMessage("nv_ecc_mode", device.tags, device.meta, map[string]any{"value": "N/A"}, time.Now())
+		} else if ret == nvml.ERROR_NOT_SUPPORTED {
+			y, err := lp.NewMessage("nv_ecc_mode", device.tags, device.meta, map[string]interface{}{"value": "N/A"}, time.Now())
 			if err == nil {
 				output <- y
 			}
@@ -434,7 +416,7 @@ func readEccMode(device *NvidiaCollectorDevice, output chan lp.CCMessage) error
 	return nil
 }
 
-func readPerfState(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
+func readPerfState(device NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	if !device.excludeMetrics["nv_perf_state"] {
 		// Retrieves the current performance state for the device.
 		//
@@ -445,7 +427,7 @@ func readPerfState(device *NvidiaCollectorDevice, output chan lp.CCMessage) erro
 		// 32: Unknown performance state.
 		pState, ret := nvml.DeviceGetPerformanceState(device.device)
 		if ret == nvml.SUCCESS {
-			y, err := lp.NewMessage("nv_perf_state", device.tags, device.meta, map[string]any{"value": fmt.Sprintf("P%d", int(pState))}, time.Now())
+			y, err := lp.NewMessage("nv_perf_state", device.tags, device.meta, map[string]interface{}{"value": fmt.Sprintf("P%d", int(pState))}, time.Now())
 			if err == nil {
 				output <- y
 			}
@@ -454,16 +436,13 @@ func readPerfState(device *NvidiaCollectorDevice, output chan lp.CCMessage) erro
 	return nil
 }
 
-func readPowerUsage(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
+func readPowerUsage(device NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	if !device.excludeMetrics["nv_power_usage"] {
 		// Retrieves power usage for this GPU in milliwatts and its associated circuitry (e.g. memory)
 		//
 		// On Fermi and Kepler GPUs the reading is accurate to within +/- 5% of current power draw.
-		// On Ampere (except GA100) or newer GPUs, the API returns power averaged over 1 sec interval.
-		// On GA100 and older architectures, instantaneous power is returned.
 		//
-		// It is only available if power management mode is supported.
-
+		// It is only available if power management mode is supported
 		mode, ret := nvml.DeviceGetPowerManagementMode(device.device)
 		if ret != nvml.SUCCESS {
 			return nil
@@ -471,7 +450,7 @@ func readPowerUsage(device *NvidiaCollectorDevice, output chan lp.CCMessage) err
 		if mode == nvml.FEATURE_ENABLED {
 			power, ret := nvml.DeviceGetPowerUsage(device.device)
 			if ret == nvml.SUCCESS {
-				y, err := lp.NewMessage("nv_power_usage", device.tags, device.meta, map[string]any{"value": float64(power) / 1000}, time.Now())
+				y, err := lp.NewMessage("nv_power_usage", device.tags, device.meta, map[string]interface{}{"value": float64(power) / 1000}, time.Now())
 				if err == nil {
 					y.AddMeta("unit", "watts")
 					output <- y
@@ -482,54 +461,7 @@ func readPowerUsage(device *NvidiaCollectorDevice, output chan lp.CCMessage) err
 	return nil
 }
 
-func readEnergyConsumption(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
-	// Retrieves total energy consumption for this GPU in millijoules (mJ) since the driver was last reloaded
-
-	// For Volta or newer fully supported devices.
-	if (!device.excludeMetrics["nv_energy"]) && (!device.excludeMetrics["nv_energy_abs"]) && (!device.excludeMetrics["nv_average_power"]) {
-		now := time.Now()
-		mode, ret := nvml.DeviceGetPowerManagementMode(device.device)
-		if ret != nvml.SUCCESS {
-			return nil
-		}
-		if mode == nvml.FEATURE_ENABLED {
-			energy, ret := nvml.DeviceGetTotalEnergyConsumption(device.device)
-			if ret == nvml.SUCCESS {
-				if device.lastEnergyReading != 0 {
-					if !device.excludeMetrics["nv_energy"] {
-						y, err := lp.NewMetric("nv_energy", device.tags, device.meta, (energy-device.lastEnergyReading)/1000, now)
-						if err == nil {
-							y.AddMeta("unit", "Joules")
-							output <- y
-						}
-					}
-					if !device.excludeMetrics["nv_average_power"] {
-
-						energyDiff := (energy - device.lastEnergyReading) / 1000
-						timeDiff := now.Sub(device.lastEnergyTimestamp)
-						y, err := lp.NewMetric("nv_average_power", device.tags, device.meta, energyDiff/uint64(timeDiff.Seconds()), now)
-						if err == nil {
-							y.AddMeta("unit", "watts")
-							output <- y
-						}
-					}
-				}
-				if !device.excludeMetrics["nv_energy_abs"] {
-					y, err := lp.NewMetric("nv_energy_abs", device.tags, device.meta, energy/1000, now)
-					if err == nil {
-						y.AddMeta("unit", "Joules")
-						output <- y
-					}
-				}
-				device.lastEnergyReading = energy
-				device.lastEnergyTimestamp = time.Now()
-			}
-		}
-	}
-	return nil
-}
-
-func readClocks(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
+func readClocks(device NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	// Retrieves the current clock speeds for the device.
 	//
 	// Available clock information:
@@ -539,7 +471,7 @@ func readClocks(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	if !device.excludeMetrics["nv_graphics_clock"] {
 		graphicsClock, ret := nvml.DeviceGetClockInfo(device.device, nvml.CLOCK_GRAPHICS)
 		if ret == nvml.SUCCESS {
-			y, err := lp.NewMessage("nv_graphics_clock", device.tags, device.meta, map[string]any{"value": float64(graphicsClock)}, time.Now())
+			y, err := lp.NewMessage("nv_graphics_clock", device.tags, device.meta, map[string]interface{}{"value": float64(graphicsClock)}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "MHz")
 				output <- y
@@ -550,7 +482,7 @@ func readClocks(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	if !device.excludeMetrics["nv_sm_clock"] {
 		smCock, ret := nvml.DeviceGetClockInfo(device.device, nvml.CLOCK_SM)
 		if ret == nvml.SUCCESS {
-			y, err := lp.NewMessage("nv_sm_clock", device.tags, device.meta, map[string]any{"value": float64(smCock)}, time.Now())
+			y, err := lp.NewMessage("nv_sm_clock", device.tags, device.meta, map[string]interface{}{"value": float64(smCock)}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "MHz")
 				output <- y
@@ -561,7 +493,7 @@ func readClocks(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	if !device.excludeMetrics["nv_mem_clock"] {
 		memClock, ret := nvml.DeviceGetClockInfo(device.device, nvml.CLOCK_MEM)
 		if ret == nvml.SUCCESS {
-			y, err := lp.NewMessage("nv_mem_clock", device.tags, device.meta, map[string]any{"value": float64(memClock)}, time.Now())
+			y, err := lp.NewMessage("nv_mem_clock", device.tags, device.meta, map[string]interface{}{"value": float64(memClock)}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "MHz")
 				output <- y
@@ -571,7 +503,7 @@ func readClocks(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	if !device.excludeMetrics["nv_video_clock"] {
 		memClock, ret := nvml.DeviceGetClockInfo(device.device, nvml.CLOCK_VIDEO)
 		if ret == nvml.SUCCESS {
-			y, err := lp.NewMessage("nv_video_clock", device.tags, device.meta, map[string]any{"value": float64(memClock)}, time.Now())
+			y, err := lp.NewMessage("nv_video_clock", device.tags, device.meta, map[string]interface{}{"value": float64(memClock)}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "MHz")
 				output <- y
@@ -581,7 +513,7 @@ func readClocks(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	return nil
 }
 
-func readMaxClocks(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
+func readMaxClocks(device NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	// Retrieves the maximum clock speeds for the device.
 	//
 	// Available clock information:
@@ -596,7 +528,7 @@ func readMaxClocks(device *NvidiaCollectorDevice, output chan lp.CCMessage) erro
 	if !device.excludeMetrics["nv_max_graphics_clock"] {
 		max_gclk, ret := nvml.DeviceGetMaxClockInfo(device.device, nvml.CLOCK_GRAPHICS)
 		if ret == nvml.SUCCESS {
-			y, err := lp.NewMetric("nv_max_graphics_clock", device.tags, device.meta, float64(max_gclk), time.Now())
+			y, err := lp.NewMessage("nv_max_graphics_clock", device.tags, device.meta, map[string]interface{}{"value": float64(max_gclk)}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "MHz")
 				output <- y
@@ -605,9 +537,9 @@ func readMaxClocks(device *NvidiaCollectorDevice, output chan lp.CCMessage) erro
 	}
 
 	if !device.excludeMetrics["nv_max_sm_clock"] {
-		maxSmClock, ret := nvml.DeviceGetMaxClockInfo(device.device, nvml.CLOCK_SM)
+		maxSmClock, ret := nvml.DeviceGetClockInfo(device.device, nvml.CLOCK_SM)
 		if ret == nvml.SUCCESS {
-			y, err := lp.NewMetric("nv_max_sm_clock", device.tags, device.meta, float64(maxSmClock), time.Now())
+			y, err := lp.NewMessage("nv_max_sm_clock", device.tags, device.meta, map[string]interface{}{"value": float64(maxSmClock)}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "MHz")
 				output <- y
@@ -616,9 +548,9 @@ func readMaxClocks(device *NvidiaCollectorDevice, output chan lp.CCMessage) erro
 	}
 
 	if !device.excludeMetrics["nv_max_mem_clock"] {
-		maxMemClock, ret := nvml.DeviceGetMaxClockInfo(device.device, nvml.CLOCK_MEM)
+		maxMemClock, ret := nvml.DeviceGetClockInfo(device.device, nvml.CLOCK_MEM)
 		if ret == nvml.SUCCESS {
-			y, err := lp.NewMetric("nv_max_mem_clock", device.tags, device.meta, float64(maxMemClock), time.Now())
+			y, err := lp.NewMessage("nv_max_mem_clock", device.tags, device.meta, map[string]interface{}{"value": float64(maxMemClock)}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "MHz")
 				output <- y
@@ -627,9 +559,9 @@ func readMaxClocks(device *NvidiaCollectorDevice, output chan lp.CCMessage) erro
 	}
 
 	if !device.excludeMetrics["nv_max_video_clock"] {
-		maxVideoClock, ret := nvml.DeviceGetMaxClockInfo(device.device, nvml.CLOCK_VIDEO)
+		maxMemClock, ret := nvml.DeviceGetClockInfo(device.device, nvml.CLOCK_VIDEO)
 		if ret == nvml.SUCCESS {
-			y, err := lp.NewMetric("nv_max_video_clock", device.tags, device.meta, float64(maxVideoClock), time.Now())
+			y, err := lp.NewMessage("nv_max_video_clock", device.tags, device.meta, map[string]interface{}{"value": float64(maxMemClock)}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "MHz")
 				output <- y
@@ -639,7 +571,7 @@ func readMaxClocks(device *NvidiaCollectorDevice, output chan lp.CCMessage) erro
 	return nil
 }
 
-func readEccErrors(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
+func readEccErrors(device NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	if !device.excludeMetrics["nv_ecc_uncorrected_error"] {
 		// Retrieves the total ECC error counts for the device.
 		//
@@ -652,7 +584,7 @@ func readEccErrors(device *NvidiaCollectorDevice, output chan lp.CCMessage) erro
 		// i.e. the total set of errors across the entire device.
 		ecc_db, ret := nvml.DeviceGetTotalEccErrors(device.device, nvml.MEMORY_ERROR_TYPE_UNCORRECTED, nvml.AGGREGATE_ECC)
 		if ret == nvml.SUCCESS {
-			y, err := lp.NewMessage("nv_ecc_uncorrected_error", device.tags, device.meta, map[string]any{"value": float64(ecc_db)}, time.Now())
+			y, err := lp.NewMessage("nv_ecc_uncorrected_error", device.tags, device.meta, map[string]interface{}{"value": float64(ecc_db)}, time.Now())
 			if err == nil {
 				output <- y
 			}
@@ -661,7 +593,7 @@ func readEccErrors(device *NvidiaCollectorDevice, output chan lp.CCMessage) erro
 	if !device.excludeMetrics["nv_ecc_corrected_error"] {
 		ecc_sb, ret := nvml.DeviceGetTotalEccErrors(device.device, nvml.MEMORY_ERROR_TYPE_CORRECTED, nvml.AGGREGATE_ECC)
 		if ret == nvml.SUCCESS {
-			y, err := lp.NewMessage("nv_ecc_corrected_error", device.tags, device.meta, map[string]any{"value": float64(ecc_sb)}, time.Now())
+			y, err := lp.NewMessage("nv_ecc_corrected_error", device.tags, device.meta, map[string]interface{}{"value": float64(ecc_sb)}, time.Now())
 			if err == nil {
 				output <- y
 			}
@@ -670,7 +602,7 @@ func readEccErrors(device *NvidiaCollectorDevice, output chan lp.CCMessage) erro
 	return nil
 }
 
-func readPowerLimit(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
+func readPowerLimit(device NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	if !device.excludeMetrics["nv_power_max_limit"] {
 		// Retrieves the power management limit associated with this device.
 		//
@@ -680,7 +612,7 @@ func readPowerLimit(device *NvidiaCollectorDevice, output chan lp.CCMessage) err
 		// If the card's total power draw reaches this limit the power management algorithm kicks in.
 		pwr_limit, ret := nvml.DeviceGetPowerManagementLimit(device.device)
 		if ret == nvml.SUCCESS {
-			y, err := lp.NewMessage("nv_power_max_limit", device.tags, device.meta, map[string]any{"value": float64(pwr_limit) / 1000}, time.Now())
+			y, err := lp.NewMessage("nv_power_max_limit", device.tags, device.meta, map[string]interface{}{"value": float64(pwr_limit) / 1000}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "watts")
 				output <- y
@@ -690,7 +622,7 @@ func readPowerLimit(device *NvidiaCollectorDevice, output chan lp.CCMessage) err
 	return nil
 }
 
-func readEncUtilization(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
+func readEncUtilization(device NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	isMig, ret := nvml.DeviceIsMigDeviceHandle(device.device)
 	if ret != nvml.SUCCESS {
 		err := errors.New(nvml.ErrorString(ret))
@@ -707,7 +639,7 @@ func readEncUtilization(device *NvidiaCollectorDevice, output chan lp.CCMessage)
 		// Note: On MIG-enabled GPUs, querying encoder utilization is not currently supported.
 		enc_util, _, ret := nvml.DeviceGetEncoderUtilization(device.device)
 		if ret == nvml.SUCCESS {
-			y, err := lp.NewMessage("nv_encoder_util", device.tags, device.meta, map[string]any{"value": float64(enc_util)}, time.Now())
+			y, err := lp.NewMessage("nv_encoder_util", device.tags, device.meta, map[string]interface{}{"value": float64(enc_util)}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "%")
 				output <- y
@@ -717,7 +649,7 @@ func readEncUtilization(device *NvidiaCollectorDevice, output chan lp.CCMessage)
 	return nil
 }
 
-func readDecUtilization(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
+func readDecUtilization(device NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	isMig, ret := nvml.DeviceIsMigDeviceHandle(device.device)
 	if ret != nvml.SUCCESS {
 		err := errors.New(nvml.ErrorString(ret))
@@ -734,7 +666,7 @@ func readDecUtilization(device *NvidiaCollectorDevice, output chan lp.CCMessage)
 		// Note: On MIG-enabled GPUs, querying encoder utilization is not currently supported.
 		dec_util, _, ret := nvml.DeviceGetDecoderUtilization(device.device)
 		if ret == nvml.SUCCESS {
-			y, err := lp.NewMessage("nv_decoder_util", device.tags, device.meta, map[string]any{"value": float64(dec_util)}, time.Now())
+			y, err := lp.NewMessage("nv_decoder_util", device.tags, device.meta, map[string]interface{}{"value": float64(dec_util)}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "%")
 				output <- y
@@ -744,7 +676,7 @@ func readDecUtilization(device *NvidiaCollectorDevice, output chan lp.CCMessage)
 	return nil
 }
 
-func readRemappedRows(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
+func readRemappedRows(device NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	if !device.excludeMetrics["nv_remapped_rows_corrected"] ||
 		!device.excludeMetrics["nv_remapped_rows_uncorrected"] ||
 		!device.excludeMetrics["nv_remapped_rows_pending"] ||
@@ -761,33 +693,33 @@ func readRemappedRows(device *NvidiaCollectorDevice, output chan lp.CCMessage) e
 		corrected, uncorrected, pending, failure, ret := nvml.DeviceGetRemappedRows(device.device)
 		if ret == nvml.SUCCESS {
 			if !device.excludeMetrics["nv_remapped_rows_corrected"] {
-				y, err := lp.NewMessage("nv_remapped_rows_corrected", device.tags, device.meta, map[string]any{"value": float64(corrected)}, time.Now())
+				y, err := lp.NewMessage("nv_remapped_rows_corrected", device.tags, device.meta, map[string]interface{}{"value": float64(corrected)}, time.Now())
 				if err == nil {
 					output <- y
 				}
 			}
 			if !device.excludeMetrics["nv_remapped_rows_uncorrected"] {
-				y, err := lp.NewMessage("nv_remapped_rows_corrected", device.tags, device.meta, map[string]any{"value": float64(uncorrected)}, time.Now())
+				y, err := lp.NewMessage("nv_remapped_rows_corrected", device.tags, device.meta, map[string]interface{}{"value": float64(uncorrected)}, time.Now())
 				if err == nil {
 					output <- y
 				}
 			}
 			if !device.excludeMetrics["nv_remapped_rows_pending"] {
-				p := 0
+				var p int = 0
 				if pending {
 					p = 1
 				}
-				y, err := lp.NewMessage("nv_remapped_rows_pending", device.tags, device.meta, map[string]any{"value": p}, time.Now())
+				y, err := lp.NewMessage("nv_remapped_rows_pending", device.tags, device.meta, map[string]interface{}{"value": p}, time.Now())
 				if err == nil {
 					output <- y
 				}
 			}
 			if !device.excludeMetrics["nv_remapped_rows_failure"] {
-				f := 0
+				var f int = 0
 				if failure {
 					f = 1
 				}
-				y, err := lp.NewMessage("nv_remapped_rows_failure", device.tags, device.meta, map[string]any{"value": f}, time.Now())
+				y, err := lp.NewMessage("nv_remapped_rows_failure", device.tags, device.meta, map[string]interface{}{"value": f}, time.Now())
 				if err == nil {
 					output <- y
 				}
@@ -797,7 +729,7 @@ func readRemappedRows(device *NvidiaCollectorDevice, output chan lp.CCMessage) e
 	return nil
 }
 
-func readProcessCounts(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
+func readProcessCounts(device NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	if !device.excludeMetrics["nv_compute_processes"] {
 		// Get information about processes with a compute context on a device
 		//
@@ -821,7 +753,7 @@ func readProcessCounts(device *NvidiaCollectorDevice, output chan lp.CCMessage)
 		//        Querying per-instance information using MIG device handles is not supported if the device is in vGPU Host virtualization mode.
 		procList, ret := nvml.DeviceGetComputeRunningProcesses(device.device)
 		if ret == nvml.SUCCESS {
-			y, err := lp.NewMessage("nv_compute_processes", device.tags, device.meta, map[string]any{"value": len(procList)}, time.Now())
+			y, err := lp.NewMessage("nv_compute_processes", device.tags, device.meta, map[string]interface{}{"value": len(procList)}, time.Now())
 			if err == nil {
 				output <- y
 			}
@@ -850,7 +782,7 @@ func readProcessCounts(device *NvidiaCollectorDevice, output chan lp.CCMessage)
 		//       Querying per-instance information using MIG device handles is not supported if the device is in vGPU Host virtualization mode.
 		procList, ret := nvml.DeviceGetGraphicsRunningProcesses(device.device)
 		if ret == nvml.SUCCESS {
-			y, err := lp.NewMessage("nv_graphics_processes", device.tags, device.meta, map[string]any{"value": len(procList)}, time.Now())
+			y, err := lp.NewMessage("nv_graphics_processes", device.tags, device.meta, map[string]interface{}{"value": len(procList)}, time.Now())
 			if err == nil {
 				output <- y
 			}
@@ -889,7 +821,7 @@ func readProcessCounts(device *NvidiaCollectorDevice, output chan lp.CCMessage)
 	return nil
 }
 
-func readViolationStats(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
+func readViolationStats(device NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	var violTime nvml.ViolationTime
 	var ret nvml.Return
 
@@ -908,7 +840,7 @@ func readViolationStats(device *NvidiaCollectorDevice, output chan lp.CCMessage)
 		violTime, ret = nvml.DeviceGetViolationStatus(device.device, nvml.PERF_POLICY_POWER)
 		if ret == nvml.SUCCESS {
 			t := float64(violTime.ViolationTime) * 1e-9
-			y, err := lp.NewMessage("nv_violation_power", device.tags, device.meta, map[string]any{"value": t}, time.Now())
+			y, err := lp.NewMessage("nv_violation_power", device.tags, device.meta, map[string]interface{}{"value": t}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "sec")
 				output <- y
@@ -920,7 +852,7 @@ func readViolationStats(device *NvidiaCollectorDevice, output chan lp.CCMessage)
 		violTime, ret = nvml.DeviceGetViolationStatus(device.device, nvml.PERF_POLICY_THERMAL)
 		if ret == nvml.SUCCESS {
 			t := float64(violTime.ViolationTime) * 1e-9
-			y, err := lp.NewMessage("nv_violation_thermal", device.tags, device.meta, map[string]any{"value": t}, time.Now())
+			y, err := lp.NewMessage("nv_violation_thermal", device.tags, device.meta, map[string]interface{}{"value": t}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "sec")
 				output <- y
@@ -932,7 +864,7 @@ func readViolationStats(device *NvidiaCollectorDevice, output chan lp.CCMessage)
 		violTime, ret = nvml.DeviceGetViolationStatus(device.device, nvml.PERF_POLICY_SYNC_BOOST)
 		if ret == nvml.SUCCESS {
 			t := float64(violTime.ViolationTime) * 1e-9
-			y, err := lp.NewMessage("nv_violation_sync_boost", device.tags, device.meta, map[string]any{"value": t}, time.Now())
+			y, err := lp.NewMessage("nv_violation_sync_boost", device.tags, device.meta, map[string]interface{}{"value": t}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "sec")
 				output <- y
@@ -944,7 +876,7 @@ func readViolationStats(device *NvidiaCollectorDevice, output chan lp.CCMessage)
 		violTime, ret = nvml.DeviceGetViolationStatus(device.device, nvml.PERF_POLICY_BOARD_LIMIT)
 		if ret == nvml.SUCCESS {
 			t := float64(violTime.ViolationTime) * 1e-9
-			y, err := lp.NewMessage("nv_violation_board_limit", device.tags, device.meta, map[string]any{"value": t}, time.Now())
+			y, err := lp.NewMessage("nv_violation_board_limit", device.tags, device.meta, map[string]interface{}{"value": t}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "sec")
 				output <- y
@@ -956,7 +888,7 @@ func readViolationStats(device *NvidiaCollectorDevice, output chan lp.CCMessage)
 		violTime, ret = nvml.DeviceGetViolationStatus(device.device, nvml.PERF_POLICY_LOW_UTILIZATION)
 		if ret == nvml.SUCCESS {
 			t := float64(violTime.ViolationTime) * 1e-9
-			y, err := lp.NewMessage("nv_violation_low_util", device.tags, device.meta, map[string]any{"value": t}, time.Now())
+			y, err := lp.NewMessage("nv_violation_low_util", device.tags, device.meta, map[string]interface{}{"value": t}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "sec")
 				output <- y
@@ -968,7 +900,7 @@ func readViolationStats(device *NvidiaCollectorDevice, output chan lp.CCMessage)
 		violTime, ret = nvml.DeviceGetViolationStatus(device.device, nvml.PERF_POLICY_RELIABILITY)
 		if ret == nvml.SUCCESS {
 			t := float64(violTime.ViolationTime) * 1e-9
-			y, err := lp.NewMessage("nv_violation_reliability", device.tags, device.meta, map[string]any{"value": t}, time.Now())
+			y, err := lp.NewMessage("nv_violation_reliability", device.tags, device.meta, map[string]interface{}{"value": t}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "sec")
 				output <- y
@@ -980,7 +912,7 @@ func readViolationStats(device *NvidiaCollectorDevice, output chan lp.CCMessage)
 		violTime, ret = nvml.DeviceGetViolationStatus(device.device, nvml.PERF_POLICY_TOTAL_APP_CLOCKS)
 		if ret == nvml.SUCCESS {
 			t := float64(violTime.ViolationTime) * 1e-9
-			y, err := lp.NewMessage("nv_violation_below_app_clock", device.tags, device.meta, map[string]any{"value": t}, time.Now())
+			y, err := lp.NewMessage("nv_violation_below_app_clock", device.tags, device.meta, map[string]interface{}{"value": t}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "sec")
 				output <- y
@@ -992,7 +924,7 @@ func readViolationStats(device *NvidiaCollectorDevice, output chan lp.CCMessage)
 		violTime, ret = nvml.DeviceGetViolationStatus(device.device, nvml.PERF_POLICY_TOTAL_BASE_CLOCKS)
 		if ret == nvml.SUCCESS {
 			t := float64(violTime.ViolationTime) * 1e-9
-			y, err := lp.NewMessage("nv_violation_below_base_clock", device.tags, device.meta, map[string]any{"value": t}, time.Now())
+			y, err := lp.NewMessage("nv_violation_below_base_clock", device.tags, device.meta, map[string]interface{}{"value": t}, time.Now())
 			if err == nil {
 				y.AddMeta("unit", "sec")
 				output <- y
@@ -1003,7 +935,7 @@ func readViolationStats(device *NvidiaCollectorDevice, output chan lp.CCMessage)
 	return nil
 }
 
-func readNVLinkStats(device *NvidiaCollectorDevice, output chan lp.CCMessage) error {
+func readNVLinkStats(device NvidiaCollectorDevice, output chan lp.CCMessage) error {
 	// Retrieves the specified error counter value
 	// Please refer to \a nvmlNvLinkErrorCounter_t for error counters that are available
 	//
@@ -1015,7 +947,7 @@ func readNVLinkStats(device *NvidiaCollectorDevice, output chan lp.CCMessage) er
 	var aggregate_recovery_errors uint64 = 0
 	var aggregate_crc_flit_errors uint64 = 0
 
-	for i := range nvml.NVLINK_MAX_LINKS {
+	for i := 0; i < nvml.NVLINK_MAX_LINKS; i++ {
 		state, ret := nvml.DeviceGetNvLinkState(device.device, i)
 		if ret == nvml.SUCCESS {
 			if state == nvml.FEATURE_ENABLED {
@@ -1024,7 +956,7 @@ func readNVLinkStats(device *NvidiaCollectorDevice, output chan lp.CCMessage) er
 					count, ret := nvml.DeviceGetNvLinkErrorCounter(device.device, i, nvml.NVLINK_ERROR_DL_CRC_DATA)
 					aggregate_crc_errors = aggregate_crc_errors + count
 					if ret == nvml.SUCCESS {
-						y, err := lp.NewMessage("nv_nvlink_crc_errors", device.tags, device.meta, map[string]any{"value": count}, time.Now())
+						y, err := lp.NewMessage("nv_nvlink_crc_errors", device.tags, device.meta, map[string]interface{}{"value": count}, time.Now())
 						if err == nil {
 							y.AddTag("stype", "nvlink")
 							y.AddTag("stype-id", fmt.Sprintf("%d", i))
@@ -1037,7 +969,7 @@ func readNVLinkStats(device *NvidiaCollectorDevice, output chan lp.CCMessage) er
 					count, ret := nvml.DeviceGetNvLinkErrorCounter(device.device, i, nvml.NVLINK_ERROR_DL_ECC_DATA)
 					aggregate_ecc_errors = aggregate_ecc_errors + count
 					if ret == nvml.SUCCESS {
-						y, err := lp.NewMessage("nv_nvlink_ecc_errors", device.tags, device.meta, map[string]any{"value": count}, time.Now())
+						y, err := lp.NewMessage("nv_nvlink_ecc_errors", device.tags, device.meta, map[string]interface{}{"value": count}, time.Now())
 						if err == nil {
 							y.AddTag("stype", "nvlink")
 							y.AddTag("stype-id", fmt.Sprintf("%d", i))
@@ -1050,7 +982,7 @@ func readNVLinkStats(device *NvidiaCollectorDevice, output chan lp.CCMessage) er
 					count, ret := nvml.DeviceGetNvLinkErrorCounter(device.device, i, nvml.NVLINK_ERROR_DL_REPLAY)
 					aggregate_replay_errors = aggregate_replay_errors + count
 					if ret == nvml.SUCCESS {
-						y, err := lp.NewMessage("nv_nvlink_replay_errors", device.tags, device.meta, map[string]any{"value": count}, time.Now())
+						y, err := lp.NewMessage("nv_nvlink_replay_errors", device.tags, device.meta, map[string]interface{}{"value": count}, time.Now())
 						if err == nil {
 							y.AddTag("stype", "nvlink")
 							y.AddTag("stype-id", fmt.Sprintf("%d", i))
@@ -1063,7 +995,7 @@ func readNVLinkStats(device *NvidiaCollectorDevice, output chan lp.CCMessage) er
 					count, ret := nvml.DeviceGetNvLinkErrorCounter(device.device, i, nvml.NVLINK_ERROR_DL_RECOVERY)
 					aggregate_recovery_errors = aggregate_recovery_errors + count
 					if ret == nvml.SUCCESS {
-						y, err := lp.NewMessage("nv_nvlink_recovery_errors", device.tags, device.meta, map[string]any{"value": count}, time.Now())
+						y, err := lp.NewMessage("nv_nvlink_recovery_errors", device.tags, device.meta, map[string]interface{}{"value": count}, time.Now())
 						if err == nil {
 							y.AddTag("stype", "nvlink")
 							y.AddTag("stype-id", fmt.Sprintf("%d", i))
@@ -1076,7 +1008,7 @@ func readNVLinkStats(device *NvidiaCollectorDevice, output chan lp.CCMessage) er
 					count, ret := nvml.DeviceGetNvLinkErrorCounter(device.device, i, nvml.NVLINK_ERROR_DL_CRC_FLIT)
 					aggregate_crc_flit_errors = aggregate_crc_flit_errors + count
 					if ret == nvml.SUCCESS {
-						y, err := lp.NewMessage("nv_nvlink_crc_flit_errors", device.tags, device.meta, map[string]any{"value": count}, time.Now())
+						y, err := lp.NewMessage("nv_nvlink_crc_flit_errors", device.tags, device.meta, map[string]interface{}{"value": count}, time.Now())
 						if err == nil {
 							y.AddTag("stype", "nvlink")
 							y.AddTag("stype-id", fmt.Sprintf("%d", i))
@@ -1091,7 +1023,7 @@ func readNVLinkStats(device *NvidiaCollectorDevice, output chan lp.CCMessage) er
 	// Export aggegated values
 	if !device.excludeMetrics["nv_nvlink_crc_errors"] {
 		// Data link receive data CRC error counter
-		y, err := lp.NewMessage("nv_nvlink_crc_errors_sum", device.tags, device.meta, map[string]any{"value": aggregate_crc_errors}, time.Now())
+		y, err := lp.NewMessage("nv_nvlink_crc_errors_sum", device.tags, device.meta, map[string]interface{}{"value": aggregate_crc_errors}, time.Now())
 		if err == nil {
 			y.AddTag("stype", "nvlink")
 			output <- y
@@ -1099,7 +1031,7 @@ func readNVLinkStats(device *NvidiaCollectorDevice, output chan lp.CCMessage) er
 	}
 	if !device.excludeMetrics["nv_nvlink_ecc_errors"] {
 		// Data link receive data ECC error counter
-		y, err := lp.NewMessage("nv_nvlink_ecc_errors_sum", device.tags, device.meta, map[string]any{"value": aggregate_ecc_errors}, time.Now())
+		y, err := lp.NewMessage("nv_nvlink_ecc_errors_sum", device.tags, device.meta, map[string]interface{}{"value": aggregate_ecc_errors}, time.Now())
 		if err == nil {
 			y.AddTag("stype", "nvlink")
 			output <- y
@@ -1107,7 +1039,7 @@ func readNVLinkStats(device *NvidiaCollectorDevice, output chan lp.CCMessage) er
 	}
 	if !device.excludeMetrics["nv_nvlink_replay_errors"] {
 		// Data link transmit replay error counter
-		y, err := lp.NewMessage("nv_nvlink_replay_errors_sum", device.tags, device.meta, map[string]any{"value": aggregate_replay_errors}, time.Now())
+		y, err := lp.NewMessage("nv_nvlink_replay_errors_sum", device.tags, device.meta, map[string]interface{}{"value": aggregate_replay_errors}, time.Now())
 		if err == nil {
 			y.AddTag("stype", "nvlink")
 			output <- y
@@ -1115,7 +1047,7 @@ func readNVLinkStats(device *NvidiaCollectorDevice, output chan lp.CCMessage) er
 	}
 	if !device.excludeMetrics["nv_nvlink_recovery_errors"] {
 		// Data link transmit recovery error counter
-		y, err := lp.NewMessage("nv_nvlink_recovery_errors_sum", device.tags, device.meta, map[string]any{"value": aggregate_recovery_errors}, time.Now())
+		y, err := lp.NewMessage("nv_nvlink_recovery_errors_sum", device.tags, device.meta, map[string]interface{}{"value": aggregate_recovery_errors}, time.Now())
 		if err == nil {
 			y.AddTag("stype", "nvlink")
 			output <- y
@@ -1123,7 +1055,7 @@ func readNVLinkStats(device *NvidiaCollectorDevice, output chan lp.CCMessage) er
 	}
 	if !device.excludeMetrics["nv_nvlink_crc_flit_errors"] {
 		// Data link receive flow control digit CRC error counter
-		y, err := lp.NewMessage("nv_nvlink_crc_flit_errors_sum", device.tags, device.meta, map[string]any{"value": aggregate_crc_flit_errors}, time.Now())
+		y, err := lp.NewMessage("nv_nvlink_crc_flit_errors_sum", device.tags, device.meta, map[string]interface{}{"value": aggregate_crc_flit_errors}, time.Now())
 		if err == nil {
 			y.AddTag("stype", "nvlink")
 			output <- y
@@ -1138,7 +1070,7 @@ func (m *NvidiaCollector) Read(interval time.Duration, output chan lp.CCMessage)
 		return
 	}
 
-	readAll := func(device *NvidiaCollectorDevice, output chan lp.CCMessage) {
+	readAll := func(device NvidiaCollectorDevice, output chan lp.CCMessage) {
 		name, ret := nvml.DeviceGetName(device.device)
 		if ret != nvml.SUCCESS {
 			name = "NoName"
@@ -1178,11 +1110,6 @@ func (m *NvidiaCollector) Read(interval time.Duration, output chan lp.CCMessage)
 			cclog.ComponentDebug(m.name, "readPowerUsage for device", name, "failed")
 		}
 
-		err = readEnergyConsumption(device, output)
-		if err != nil {
-			cclog.ComponentDebug(m.name, "readEnergyConsumption for device", name, "failed")
-		}
-
 		err = readClocks(device, output)
 		if err != nil {
 			cclog.ComponentDebug(m.name, "readClocks for device", name, "failed")
@@ -1242,7 +1169,7 @@ func (m *NvidiaCollector) Read(interval time.Duration, output chan lp.CCMessage)
 	// Actual read loop over all attached Nvidia GPUs
 	for i := 0; i < m.num_gpus; i++ {
 
-		readAll(&m.gpus[i], output)
+		readAll(m.gpus[i], output)
 
 		// Iterate over all MIG devices if any
 		if m.config.ProcessMigDevices {
@@ -1263,7 +1190,7 @@ func (m *NvidiaCollector) Read(interval time.Duration, output chan lp.CCMessage)
 			}
 			cclog.ComponentDebug(m.name, "Reading MIG devices for GPU", i)
 
-			for j := range maxMig {
+			for j := 0; j < maxMig; j++ {
 				mdev, ret := nvml.DeviceGetMigDeviceHandleByIndex(m.gpus[i].device, j)
 				if ret != nvml.SUCCESS {
 					continue
@@ -1280,7 +1207,9 @@ func (m *NvidiaCollector) Read(interval time.Duration, output chan lp.CCMessage)
 					meta:           map[string]string{},
 					excludeMetrics: excludeMetrics,
 				}
-				maps.Copy(migDevice.tags, m.gpus[i].tags)
+				for k, v := range m.gpus[i].tags {
+					migDevice.tags[k] = v
+				}
 				migDevice.tags["stype"] = "mig"
 				if m.config.UseUuidForMigDevices {
 					uuid, ret := nvml.DeviceGetUUID(mdev)
@@ -1294,8 +1223,8 @@ func (m *NvidiaCollector) Read(interval time.Duration, output chan lp.CCMessage)
 					if ret == nvml.SUCCESS {
 						mname, ret := nvml.DeviceGetName(mdev)
 						if ret == nvml.SUCCESS {
-							x := strings.ReplaceAll(mname, name, "")
-							x = strings.ReplaceAll(x, "MIG", "")
+							x := strings.Replace(mname, name, "", -1)
+							x = strings.Replace(x, "MIG", "", -1)
 							x = strings.TrimSpace(x)
 							migDevice.tags["stype-id"] = x
 						}
@@ -1304,7 +1233,9 @@ func (m *NvidiaCollector) Read(interval time.Duration, output chan lp.CCMessage)
 				if _, ok := migDevice.tags["stype-id"]; !ok {
 					migDevice.tags["stype-id"] = fmt.Sprintf("%d", j)
 				}
-				maps.Copy(migDevice.meta, m.gpus[i].meta)
+				for k, v := range m.gpus[i].meta {
+					migDevice.meta[k] = v
+				}
 				if _, ok := migDevice.meta["uuid"]; ok && !m.config.UseUuidForMigDevices {
 					uuid, ret := nvml.DeviceGetUUID(mdev)
 					if ret == nvml.SUCCESS {
@@ -1312,7 +1243,7 @@ func (m *NvidiaCollector) Read(interval time.Duration, output chan lp.CCMessage)
 					}
 				}
 
-				readAll(&migDevice, output)
+				readAll(migDevice, output)
 			}
 		}
 	}
@@ -1320,9 +1251,7 @@ func (m *NvidiaCollector) Read(interval time.Duration, output chan lp.CCMessage)
 
 func (m *NvidiaCollector) Close() {
 	if m.init {
-		if ret := nvml.Shutdown(); ret != nvml.SUCCESS {
-			cclog.ComponentError(m.name, "nvml.Shutdown() not successful")
-		}
+		nvml.Shutdown()
 		m.init = false
 	}
 }

collectors/nvidiaMetric.md

@@ -1,13 +1,3 @@
-<!--
----
-title: "Nvidia NVML metric collector"
-description: Collect metrics for Nvidia GPUs using the NVML
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/nvidia.md
----
--->
 
 ## `nvidia` collector
 
@@ -82,8 +72,5 @@ Metrics:
 * `nv_nvlink_ecc_errors`
 * `nv_nvlink_replay_errors`
 * `nv_nvlink_recovery_errors`
-* `nv_energy`
-* `nv_energy_abs`
-* `nv_average_power`
 
-Some metrics add the additional sub type tag (`stype`) like the `nv_nvlink_*` metrics set `stype=nvlink,stype-id=<link_number>`. 
+Some metrics add the additional sub type tag (`stype`) like the `nv_nvlink_*` metrics set `stype=nvlink,stype-id=<link_number>`. 

collectors/raplMetric.go

@@ -1,10 +1,3 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
@@ -16,8 +9,8 @@ import (
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 )
 
 // running average power limit (RAPL) monitoring attributes for a zone
@@ -54,10 +47,9 @@ func (m *RAPLCollector) Init(config json.RawMessage) error {
 		return nil
 	}
 
+	var err error = nil
 	m.name = "RAPLCollector"
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	m.parallel = true
 	m.meta = map[string]string{
 		"source": m.name,
@@ -67,7 +59,7 @@ func (m *RAPLCollector) Init(config json.RawMessage) error {
 
 	// Read in the JSON configuration
 	if len(config) > 0 {
-		err := json.Unmarshal(config, &m.config)
+		err = json.Unmarshal(config, &m.config)
 		if err != nil {
 			cclog.ComponentError(m.name, "Error reading config:", err.Error())
 			return err
@@ -249,7 +241,7 @@ func (m *RAPLCollector) Read(interval time.Duration, output chan lp.CCMessage) {
 					"rapl_average_power",
 					p.tags,
 					m.meta,
-					map[string]any{"value": averagePower},
+					map[string]interface{}{"value": averagePower},
 					energyTimestamp)
 				if err == nil {
 					output <- y

collectors/raplMetric.md

@@ -1,14 +1,3 @@
-<!--
----
-title: RAPL metric collector
-description: Collect energy data through the RAPL sysfs interface
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/rapl.md
----
--->
-
 ## `rapl` collector
 
 This collector reads running average power limit (RAPL) monitoring attributes to compute average power consumption metrics. See <https://www.kernel.org/doc/html/latest/power/powercap/powercap.html#monitoring-attributes>.

collectors/rocmsmiMetric.go

@@ -1,21 +1,13 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"slices"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 	"github.com/ClusterCockpit/go-rocm-smi/pkg/rocm_smi"
 )
 
@@ -53,9 +45,7 @@ func (m *RocmSmiCollector) Init(config json.RawMessage) error {
 	// Always set the name early in Init() to use it in cclog.Component* functions
 	m.name = "RocmSmiCollector"
 	// This is for later use, also call it early
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	// Define meta information sent with each metric
 	// (Can also be dynamic or this is the basic set with extension through AddMeta())
 	//m.meta = map[string]string{"source": m.name, "group": "AMD"}
@@ -88,11 +78,22 @@ func (m *RocmSmiCollector) Init(config json.RawMessage) error {
 		return err
 	}
 
+	exclDev := func(s string) bool {
+		skip_device := false
+		for _, excl := range m.config.ExcludeDevices {
+			if excl == s {
+				skip_device = true
+				break
+			}
+		}
+		return skip_device
+	}
+
 	m.devices = make([]RocmSmiCollectorDevice, 0)
 
-	for i := range numDevs {
+	for i := 0; i < numDevs; i++ {
 		str_i := fmt.Sprintf("%d", i)
-		if slices.Contains(m.config.ExcludeDevices, str_i) {
+		if exclDev(str_i) {
 			continue
 		}
 		device, ret := rocm_smi.DeviceGetHandleByIndex(i)
@@ -116,7 +117,7 @@ func (m *RocmSmiCollector) Init(config json.RawMessage) error {
 			pciInfo.Device,
 			pciInfo.Function)
 
-		if slices.Contains(m.config.ExcludeDevices, pciId) {
+		if exclDev(pciId) {
 			continue
 		}
 
@@ -174,127 +175,127 @@ func (m *RocmSmiCollector) Read(interval time.Duration, output chan lp.CCMessage
 
 		if !dev.excludeMetrics["rocm_gfx_util"] {
 			value := metrics.Average_gfx_activity
-			y, err := lp.NewMessage("rocm_gfx_util", dev.tags, dev.meta, map[string]any{"value": value}, timestamp)
+			y, err := lp.NewMessage("rocm_gfx_util", dev.tags, dev.meta, map[string]interface{}{"value": value}, timestamp)
 			if err == nil {
 				output <- y
 			}
 		}
 		if !dev.excludeMetrics["rocm_umc_util"] {
 			value := metrics.Average_umc_activity
-			y, err := lp.NewMessage("rocm_umc_util", dev.tags, dev.meta, map[string]any{"value": value}, timestamp)
+			y, err := lp.NewMessage("rocm_umc_util", dev.tags, dev.meta, map[string]interface{}{"value": value}, timestamp)
 			if err == nil {
 				output <- y
 			}
 		}
 		if !dev.excludeMetrics["rocm_mm_util"] {
 			value := metrics.Average_mm_activity
-			y, err := lp.NewMessage("rocm_mm_util", dev.tags, dev.meta, map[string]any{"value": value}, timestamp)
+			y, err := lp.NewMessage("rocm_mm_util", dev.tags, dev.meta, map[string]interface{}{"value": value}, timestamp)
 			if err == nil {
 				output <- y
 			}
 		}
 		if !dev.excludeMetrics["rocm_avg_power"] {
 			value := metrics.Average_socket_power
-			y, err := lp.NewMessage("rocm_avg_power", dev.tags, dev.meta, map[string]any{"value": value}, timestamp)
+			y, err := lp.NewMessage("rocm_avg_power", dev.tags, dev.meta, map[string]interface{}{"value": value}, timestamp)
 			if err == nil {
 				output <- y
 			}
 		}
 		if !dev.excludeMetrics["rocm_temp_mem"] {
 			value := metrics.Temperature_mem
-			y, err := lp.NewMessage("rocm_temp_mem", dev.tags, dev.meta, map[string]any{"value": value}, timestamp)
+			y, err := lp.NewMessage("rocm_temp_mem", dev.tags, dev.meta, map[string]interface{}{"value": value}, timestamp)
 			if err == nil {
 				output <- y
 			}
 		}
 		if !dev.excludeMetrics["rocm_temp_hotspot"] {
 			value := metrics.Temperature_hotspot
-			y, err := lp.NewMessage("rocm_temp_hotspot", dev.tags, dev.meta, map[string]any{"value": value}, timestamp)
+			y, err := lp.NewMessage("rocm_temp_hotspot", dev.tags, dev.meta, map[string]interface{}{"value": value}, timestamp)
 			if err == nil {
 				output <- y
 			}
 		}
 		if !dev.excludeMetrics["rocm_temp_edge"] {
 			value := metrics.Temperature_edge
-			y, err := lp.NewMessage("rocm_temp_edge", dev.tags, dev.meta, map[string]any{"value": value}, timestamp)
+			y, err := lp.NewMessage("rocm_temp_edge", dev.tags, dev.meta, map[string]interface{}{"value": value}, timestamp)
 			if err == nil {
 				output <- y
 			}
 		}
 		if !dev.excludeMetrics["rocm_temp_vrgfx"] {
 			value := metrics.Temperature_vrgfx
-			y, err := lp.NewMessage("rocm_temp_vrgfx", dev.tags, dev.meta, map[string]any{"value": value}, timestamp)
+			y, err := lp.NewMessage("rocm_temp_vrgfx", dev.tags, dev.meta, map[string]interface{}{"value": value}, timestamp)
 			if err == nil {
 				output <- y
 			}
 		}
 		if !dev.excludeMetrics["rocm_temp_vrsoc"] {
 			value := metrics.Temperature_vrsoc
-			y, err := lp.NewMessage("rocm_temp_vrsoc", dev.tags, dev.meta, map[string]any{"value": value}, timestamp)
+			y, err := lp.NewMessage("rocm_temp_vrsoc", dev.tags, dev.meta, map[string]interface{}{"value": value}, timestamp)
 			if err == nil {
 				output <- y
 			}
 		}
 		if !dev.excludeMetrics["rocm_temp_vrmem"] {
 			value := metrics.Temperature_vrmem
-			y, err := lp.NewMessage("rocm_temp_vrmem", dev.tags, dev.meta, map[string]any{"value": value}, timestamp)
+			y, err := lp.NewMessage("rocm_temp_vrmem", dev.tags, dev.meta, map[string]interface{}{"value": value}, timestamp)
 			if err == nil {
 				output <- y
 			}
 		}
 		if !dev.excludeMetrics["rocm_gfx_clock"] {
 			value := metrics.Average_gfxclk_frequency
-			y, err := lp.NewMessage("rocm_gfx_clock", dev.tags, dev.meta, map[string]any{"value": value}, timestamp)
+			y, err := lp.NewMessage("rocm_gfx_clock", dev.tags, dev.meta, map[string]interface{}{"value": value}, timestamp)
 			if err == nil {
 				output <- y
 			}
 		}
 		if !dev.excludeMetrics["rocm_soc_clock"] {
 			value := metrics.Average_socclk_frequency
-			y, err := lp.NewMessage("rocm_soc_clock", dev.tags, dev.meta, map[string]any{"value": value}, timestamp)
+			y, err := lp.NewMessage("rocm_soc_clock", dev.tags, dev.meta, map[string]interface{}{"value": value}, timestamp)
 			if err == nil {
 				output <- y
 			}
 		}
 		if !dev.excludeMetrics["rocm_u_clock"] {
 			value := metrics.Average_uclk_frequency
-			y, err := lp.NewMessage("rocm_u_clock", dev.tags, dev.meta, map[string]any{"value": value}, timestamp)
+			y, err := lp.NewMessage("rocm_u_clock", dev.tags, dev.meta, map[string]interface{}{"value": value}, timestamp)
 			if err == nil {
 				output <- y
 			}
 		}
 		if !dev.excludeMetrics["rocm_v0_clock"] {
 			value := metrics.Average_vclk0_frequency
-			y, err := lp.NewMessage("rocm_v0_clock", dev.tags, dev.meta, map[string]any{"value": value}, timestamp)
+			y, err := lp.NewMessage("rocm_v0_clock", dev.tags, dev.meta, map[string]interface{}{"value": value}, timestamp)
 			if err == nil {
 				output <- y
 			}
 		}
 		if !dev.excludeMetrics["rocm_v1_clock"] {
 			value := metrics.Average_vclk1_frequency
-			y, err := lp.NewMessage("rocm_v1_clock", dev.tags, dev.meta, map[string]any{"value": value}, timestamp)
+			y, err := lp.NewMessage("rocm_v1_clock", dev.tags, dev.meta, map[string]interface{}{"value": value}, timestamp)
 			if err == nil {
 				output <- y
 			}
 		}
 		if !dev.excludeMetrics["rocm_d0_clock"] {
 			value := metrics.Average_dclk0_frequency
-			y, err := lp.NewMessage("rocm_d0_clock", dev.tags, dev.meta, map[string]any{"value": value}, timestamp)
+			y, err := lp.NewMessage("rocm_d0_clock", dev.tags, dev.meta, map[string]interface{}{"value": value}, timestamp)
 			if err == nil {
 				output <- y
 			}
 		}
 		if !dev.excludeMetrics["rocm_d1_clock"] {
 			value := metrics.Average_dclk1_frequency
-			y, err := lp.NewMessage("rocm_d1_clock", dev.tags, dev.meta, map[string]any{"value": value}, timestamp)
+			y, err := lp.NewMessage("rocm_d1_clock", dev.tags, dev.meta, map[string]interface{}{"value": value}, timestamp)
 			if err == nil {
 				output <- y
 			}
 		}
 		if !dev.excludeMetrics["rocm_temp_hbm"] {
-			for i := range rocm_smi.NUM_HBM_INSTANCES {
+			for i := 0; i < rocm_smi.NUM_HBM_INSTANCES; i++ {
 				value := metrics.Temperature_hbm[i]
-				y, err := lp.NewMessage("rocm_temp_hbm", dev.tags, dev.meta, map[string]any{"value": value}, timestamp)
+				y, err := lp.NewMessage("rocm_temp_hbm", dev.tags, dev.meta, map[string]interface{}{"value": value}, timestamp)
 				if err == nil {
 					y.AddTag("stype", "device")
 					y.AddTag("stype-id", fmt.Sprintf("%d", i))

collectors/rocmsmiMetric.md

@@ -1,23 +1,10 @@
-<!--
----
-title: "ROCm SMI metric collector"
-description: Collect metrics for AMD GPUs using the SMI library
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/rocmsmi.md
----
--->
-
 
 ## `rocm_smi` collector
 
 ```json
   "rocm_smi": {
     "exclude_devices": [
-      "0",
-      "1",
-      "0000000:ff:01.0"
+      "0","1", "0000000:ff:01.0"
     ],
     "exclude_metrics": [
       "rocm_mm_util",
@@ -25,7 +12,7 @@ hugo_path: docs/reference/cc-metric-collector/collectors/rocmsmi.md
     ],
     "use_pci_info_as_type_id": true,
     "add_pci_info_tag": false,
-    "add_serial_meta": false
+    "add_serial_meta": false,
   }
 ```
 

collectors/sampleMetric.go

@@ -1,19 +1,11 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
 	"encoding/json"
-	"fmt"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 )
 
 // These are the fields we read from the JSON configuration
@@ -42,9 +34,7 @@ func (m *SampleCollector) Init(config json.RawMessage) error {
 	// Always set the name early in Init() to use it in cclog.Component* functions
 	m.name = "SampleCollector"
 	// This is for later use, also call it early
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	// Tell whether the collector should be run in parallel with others (reading files, ...)
 	// or it should be run serially, mostly for collectors actually doing measurements
 	// because they should not measure the execution of the other collectors
@@ -95,7 +85,7 @@ func (m *SampleCollector) Read(interval time.Duration, output chan lp.CCMessage)
 	// stop := readState()
 	// value = (stop - start) / interval.Seconds()
 
-	y, err := lp.NewMessage("sample_metric", m.tags, m.meta, map[string]any{"value": value}, timestamp)
+	y, err := lp.NewMessage("sample_metric", m.tags, m.meta, map[string]interface{}{"value": value}, timestamp)
 	if err == nil {
 		// Send it to output channel
 		output <- y

collectors/sampleTimerMetric.go

@@ -1,20 +1,12 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
 	"encoding/json"
-	"fmt"
 	"sync"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 )
 
 // These are the fields we read from the JSON configuration
@@ -41,9 +33,7 @@ func (m *SampleTimerCollector) Init(name string, config json.RawMessage) error {
 	// Always set the name early in Init() to use it in cclog.Component* functions
 	m.name = "SampleTimerCollector"
 	// This is for later use, also call it early
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	// Define meta information sent with each metric
 	// (Can also be dynamic or this is the basic set with extension through AddMeta())
 	m.meta = map[string]string{"source": m.name, "group": "SAMPLE"}
@@ -110,7 +100,7 @@ func (m *SampleTimerCollector) ReadMetrics(timestamp time.Time) {
 	// stop := readState()
 	// value = (stop - start) / interval.Seconds()
 
-	y, err := lp.NewMessage("sample_metric", m.tags, m.meta, map[string]any{"value": value}, timestamp)
+	y, err := lp.NewMessage("sample_metric", m.tags, m.meta, map[string]interface{}{"value": value}, timestamp)
 	if err == nil && m.output != nil {
 		// Send it to output channel if we have a valid channel
 		m.output <- y

collectors/schedstatMetric.go

@@ -1,23 +1,17 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
 	"bufio"
 	"encoding/json"
 	"fmt"
+	"math"
 	"os"
 	"strconv"
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 )
 
 const SCHEDSTATFILE = `/proc/schedstat`
@@ -46,37 +40,37 @@ type SchedstatCollector struct {
 // Called once by the collector manager
 // All tags, meta data tags and metrics that do not change over the runtime should be set here
 func (m *SchedstatCollector) Init(config json.RawMessage) error {
+	var err error = nil
 	// Always set the name early in Init() to use it in cclog.Component* functions
 	m.name = "SchedstatCollector"
 	// This is for later use, also call it early
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	// Tell whether the collector should be run in parallel with others (reading files, ...)
 	// or it should be run serially, mostly for collectors acutally doing measurements
 	// because they should not measure the execution of the other collectors
 	m.parallel = true
 	// Define meta information sent with each metric
 	// (Can also be dynamic or this is the basic set with extension through AddMeta())
-	m.meta = map[string]string{
-		"source": m.name,
-		"group":  "SCHEDSTAT",
-	}
+	m.meta = map[string]string{"source": m.name, "group": "SCHEDSTAT"}
 
 	// Read in the JSON configuration
 	if len(config) > 0 {
-		if err := json.Unmarshal(config, &m.config); err != nil {
-			return fmt.Errorf("%s Init(): Error reading config: %w", m.name, err)
+		err = json.Unmarshal(config, &m.config)
+		if err != nil {
+			cclog.ComponentError(m.name, "Error reading config:", err.Error())
+			return err
 		}
 	}
 
 	// Check input file
-	file, err := os.Open(SCHEDSTATFILE)
+	file, err := os.Open(string(SCHEDSTATFILE))
 	if err != nil {
-		return fmt.Errorf("%s Init(): Failed opening scheduler statistics file \"%s\": %w", m.name, SCHEDSTATFILE, err)
+		cclog.ComponentError(m.name, err.Error())
 	}
+	defer file.Close()
 
 	// Pre-generate tags for all CPUs
+	num_cpus := 0
 	m.cputags = make(map[string]map[string]string)
 	m.olddata = make(map[string]map[string]int64)
 	scanner := bufio.NewScanner(file)
@@ -88,19 +82,11 @@ func (m *SchedstatCollector) Init(config json.RawMessage) error {
 			cpu, _ := strconv.Atoi(cpustr)
 			running, _ := strconv.ParseInt(linefields[7], 10, 64)
 			waiting, _ := strconv.ParseInt(linefields[8], 10, 64)
-			m.cputags[linefields[0]] = map[string]string{
-				"type":    "hwthread",
-				"type-id": fmt.Sprintf("%d", cpu),
-			}
-			m.olddata[linefields[0]] = map[string]int64{
-				"running": running,
-				"waiting": waiting,
-			}
+			m.cputags[linefields[0]] = map[string]string{"type": "hwthread", "type-id": fmt.Sprintf("%d", cpu)}
+			m.olddata[linefields[0]] = map[string]int64{"running": running, "waiting": waiting}
+			num_cpus++
 		}
 	}
-	if err := file.Close(); err != nil {
-		return fmt.Errorf("%s Init(): Failed closing scheduler statistics file \"%s\": %w", m.name, SCHEDSTATFILE, err)
-	}
 
 	// Save current timestamp
 	m.lastTimestamp = time.Now()
@@ -116,14 +102,14 @@ func (m *SchedstatCollector) ParseProcLine(linefields []string, tags map[string]
 	diff_running := running - m.olddata[linefields[0]]["running"]
 	diff_waiting := waiting - m.olddata[linefields[0]]["waiting"]
 
-	l_running := float64(diff_running) / tsdelta.Seconds() / 1000_000_000
-	l_waiting := float64(diff_waiting) / tsdelta.Seconds() / 1000_000_000
+	var l_running float64 = float64(diff_running) / tsdelta.Seconds() / (math.Pow(1000, 3))
+	var l_waiting float64 = float64(diff_waiting) / tsdelta.Seconds() / (math.Pow(1000, 3))
 
 	m.olddata[linefields[0]]["running"] = running
 	m.olddata[linefields[0]]["waiting"] = waiting
 	value := l_running + l_waiting
 
-	y, err := lp.NewMessage("cpu_load_core", tags, m.meta, map[string]any{"value": value}, now)
+	y, err := lp.NewMessage("cpu_load_core", tags, m.meta, map[string]interface{}{"value": value}, now)
 	if err == nil {
 		// Send it to output channel
 		output <- y
@@ -141,19 +127,11 @@ func (m *SchedstatCollector) Read(interval time.Duration, output chan lp.CCMessa
 	now := time.Now()
 	tsdelta := now.Sub(m.lastTimestamp)
 
-	file, err := os.Open(SCHEDSTATFILE)
+	file, err := os.Open(string(SCHEDSTATFILE))
 	if err != nil {
-		cclog.ComponentError(
-			m.name,
-			fmt.Sprintf("Read(): Failed to open file '%s': %v", SCHEDSTATFILE, err))
+		cclog.ComponentError(m.name, err.Error())
 	}
-	defer func() {
-		if err := file.Close(); err != nil {
-			cclog.ComponentError(
-				m.name,
-				fmt.Sprintf("Read(): Failed to close file '%s': %v", SCHEDSTATFILE, err))
-		}
-	}()
+	defer file.Close()
 
 	scanner := bufio.NewScanner(file)
 	for scanner.Scan() {

collectors/schedstatMetric.md

@@ -1,13 +1,3 @@
-<!--
----
-title: SchedStat Metric collector
-description: Collect metrics from `/proc/schedstat`
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/schedstat.md
----
--->
 
 ## `schedstat` collector
 ```json
@@ -18,4 +8,4 @@ hugo_path: docs/reference/cc-metric-collector/collectors/schedstat.md
 The `schedstat` collector reads data from /proc/schedstat and calculates a load value, separated by hwthread. This might be useful to detect bad cpu pinning on shared nodes etc. 
 
 Metric:
-* `cpu_load_core`
+* `cpu_load_core`

collectors/selfMetric.go

@@ -1,21 +1,13 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
 	"encoding/json"
-	"fmt"
 	"runtime"
 	"syscall"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 )
 
 type SelfCollectorConfig struct {
@@ -35,9 +27,7 @@ type SelfCollector struct {
 func (m *SelfCollector) Init(config json.RawMessage) error {
 	var err error = nil
 	m.name = "SelfCollector"
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	m.parallel = true
 	m.meta = map[string]string{"source": m.name, "group": "Self"}
 	m.tags = map[string]string{"type": "node"}
@@ -59,49 +49,49 @@ func (m *SelfCollector) Read(interval time.Duration, output chan lp.CCMessage) {
 		var memstats runtime.MemStats
 		runtime.ReadMemStats(&memstats)
 
-		y, err := lp.NewMessage("total_alloc", m.tags, m.meta, map[string]any{"value": memstats.TotalAlloc}, timestamp)
+		y, err := lp.NewMessage("total_alloc", m.tags, m.meta, map[string]interface{}{"value": memstats.TotalAlloc}, timestamp)
 		if err == nil {
 			y.AddMeta("unit", "Bytes")
 			output <- y
 		}
-		y, err = lp.NewMessage("heap_alloc", m.tags, m.meta, map[string]any{"value": memstats.HeapAlloc}, timestamp)
+		y, err = lp.NewMessage("heap_alloc", m.tags, m.meta, map[string]interface{}{"value": memstats.HeapAlloc}, timestamp)
 		if err == nil {
 			y.AddMeta("unit", "Bytes")
 			output <- y
 		}
-		y, err = lp.NewMessage("heap_sys", m.tags, m.meta, map[string]any{"value": memstats.HeapSys}, timestamp)
+		y, err = lp.NewMessage("heap_sys", m.tags, m.meta, map[string]interface{}{"value": memstats.HeapSys}, timestamp)
 		if err == nil {
 			y.AddMeta("unit", "Bytes")
 			output <- y
 		}
-		y, err = lp.NewMessage("heap_idle", m.tags, m.meta, map[string]any{"value": memstats.HeapIdle}, timestamp)
+		y, err = lp.NewMessage("heap_idle", m.tags, m.meta, map[string]interface{}{"value": memstats.HeapIdle}, timestamp)
 		if err == nil {
 			y.AddMeta("unit", "Bytes")
 			output <- y
 		}
-		y, err = lp.NewMessage("heap_inuse", m.tags, m.meta, map[string]any{"value": memstats.HeapInuse}, timestamp)
+		y, err = lp.NewMessage("heap_inuse", m.tags, m.meta, map[string]interface{}{"value": memstats.HeapInuse}, timestamp)
 		if err == nil {
 			y.AddMeta("unit", "Bytes")
 			output <- y
 		}
-		y, err = lp.NewMessage("heap_released", m.tags, m.meta, map[string]any{"value": memstats.HeapReleased}, timestamp)
+		y, err = lp.NewMessage("heap_released", m.tags, m.meta, map[string]interface{}{"value": memstats.HeapReleased}, timestamp)
 		if err == nil {
 			y.AddMeta("unit", "Bytes")
 			output <- y
 		}
-		y, err = lp.NewMessage("heap_objects", m.tags, m.meta, map[string]any{"value": memstats.HeapObjects}, timestamp)
+		y, err = lp.NewMessage("heap_objects", m.tags, m.meta, map[string]interface{}{"value": memstats.HeapObjects}, timestamp)
 		if err == nil {
 			output <- y
 		}
 	}
 	if m.config.GoRoutines {
-		y, err := lp.NewMessage("num_goroutines", m.tags, m.meta, map[string]any{"value": runtime.NumGoroutine()}, timestamp)
+		y, err := lp.NewMessage("num_goroutines", m.tags, m.meta, map[string]interface{}{"value": runtime.NumGoroutine()}, timestamp)
 		if err == nil {
 			output <- y
 		}
 	}
 	if m.config.CgoCalls {
-		y, err := lp.NewMessage("num_cgo_calls", m.tags, m.meta, map[string]any{"value": runtime.NumCgoCall()}, timestamp)
+		y, err := lp.NewMessage("num_cgo_calls", m.tags, m.meta, map[string]interface{}{"value": runtime.NumCgoCall()}, timestamp)
 		if err == nil {
 			output <- y
 		}
@@ -112,35 +102,35 @@ func (m *SelfCollector) Read(interval time.Duration, output chan lp.CCMessage) {
 		if err == nil {
 			sec, nsec := rusage.Utime.Unix()
 			t := float64(sec) + (float64(nsec) * 1e-9)
-			y, err := lp.NewMessage("rusage_user_time", m.tags, m.meta, map[string]any{"value": t}, timestamp)
+			y, err := lp.NewMessage("rusage_user_time", m.tags, m.meta, map[string]interface{}{"value": t}, timestamp)
 			if err == nil {
 				y.AddMeta("unit", "seconds")
 				output <- y
 			}
 			sec, nsec = rusage.Stime.Unix()
 			t = float64(sec) + (float64(nsec) * 1e-9)
-			y, err = lp.NewMessage("rusage_system_time", m.tags, m.meta, map[string]any{"value": t}, timestamp)
+			y, err = lp.NewMessage("rusage_system_time", m.tags, m.meta, map[string]interface{}{"value": t}, timestamp)
 			if err == nil {
 				y.AddMeta("unit", "seconds")
 				output <- y
 			}
-			y, err = lp.NewMessage("rusage_vol_ctx_switch", m.tags, m.meta, map[string]any{"value": rusage.Nvcsw}, timestamp)
+			y, err = lp.NewMessage("rusage_vol_ctx_switch", m.tags, m.meta, map[string]interface{}{"value": rusage.Nvcsw}, timestamp)
 			if err == nil {
 				output <- y
 			}
-			y, err = lp.NewMessage("rusage_invol_ctx_switch", m.tags, m.meta, map[string]any{"value": rusage.Nivcsw}, timestamp)
+			y, err = lp.NewMessage("rusage_invol_ctx_switch", m.tags, m.meta, map[string]interface{}{"value": rusage.Nivcsw}, timestamp)
 			if err == nil {
 				output <- y
 			}
-			y, err = lp.NewMessage("rusage_signals", m.tags, m.meta, map[string]any{"value": rusage.Nsignals}, timestamp)
+			y, err = lp.NewMessage("rusage_signals", m.tags, m.meta, map[string]interface{}{"value": rusage.Nsignals}, timestamp)
 			if err == nil {
 				output <- y
 			}
-			y, err = lp.NewMessage("rusage_major_pgfaults", m.tags, m.meta, map[string]any{"value": rusage.Majflt}, timestamp)
+			y, err = lp.NewMessage("rusage_major_pgfaults", m.tags, m.meta, map[string]interface{}{"value": rusage.Majflt}, timestamp)
 			if err == nil {
 				output <- y
 			}
-			y, err = lp.NewMessage("rusage_minor_pgfaults", m.tags, m.meta, map[string]any{"value": rusage.Minflt}, timestamp)
+			y, err = lp.NewMessage("rusage_minor_pgfaults", m.tags, m.meta, map[string]interface{}{"value": rusage.Minflt}, timestamp)
 			if err == nil {
 				output <- y
 			}

collectors/selfMetric.md

@@ -1,14 +1,3 @@
-<!--
----
-title: Self-monitoring metric collector
-description: Collect metrics from the execution of cc-metric-collector itself
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/self.md
----
--->
-
 ## `self` collector
 
 ```json

collectors/slurmCgroupMetric.go

@@ -1,350 +0,0 @@
-package collectors
-
-import (
-	"encoding/json"
-	"fmt"
-	"os"
-	"os/exec"
-	"os/user"
-	"path/filepath"
-	"strconv"
-	"strings"
-	"time"
-
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
-)
-
-type SlurmJobData struct {
-	MemoryUsage      float64
-	MaxMemoryUsage   float64
-	LimitMemoryUsage float64
-	CpuUsageUser     float64
-	CpuUsageSys      float64
-	CpuSet           []int
-}
-
-type SlurmCgroupsConfig struct {
-	CgroupBase     string   `json:"cgroup_base"`
-	ExcludeMetrics []string `json:"exclude_metrics,omitempty"`
-	UseSudo        bool     `json:"use_sudo,omitempty"`
-}
-
-type SlurmCgroupCollector struct {
-	metricCollector
-	config         SlurmCgroupsConfig
-	meta           map[string]string
-	tags           map[string]string
-	allCPUs        []int
-	cpuUsed        map[int]bool
-	cgroupBase     string
-	excludeMetrics map[string]struct{}
-	useSudo        bool
-}
-
-const defaultCgroupBase = "/sys/fs/cgroup/system.slice/slurmstepd.scope"
-
-func ParseCPUs(cpuset string) ([]int, error) {
-	var result []int
-	if cpuset == "" {
-		return result, nil
-	}
-
-	for r := range strings.SplitSeq(cpuset, ",") {
-		if strings.Contains(r, "-") {
-			parts := strings.Split(r, "-")
-			if len(parts) != 2 {
-				return nil, fmt.Errorf("invalid CPU range: %s", r)
-			}
-			start, err := strconv.Atoi(strings.TrimSpace(parts[0]))
-			if err != nil {
-				return nil, fmt.Errorf("invalid CPU range start: %s", parts[0])
-			}
-			end, err := strconv.Atoi(strings.TrimSpace(parts[1]))
-			if err != nil {
-				return nil, fmt.Errorf("invalid CPU range end: %s", parts[1])
-			}
-			for i := start; i <= end; i++ {
-				result = append(result, i)
-			}
-		} else {
-			cpu, err := strconv.Atoi(strings.TrimSpace(r))
-			if err != nil {
-				return nil, fmt.Errorf("invalid CPU ID: %s", r)
-			}
-			result = append(result, cpu)
-		}
-	}
-	return result, nil
-}
-
-func GetAllCPUs() ([]int, error) {
-	data, err := os.ReadFile("/sys/devices/system/cpu/online")
-	if err != nil {
-		return nil, fmt.Errorf("failed to read /sys/devices/system/cpu/online: %v", err)
-	}
-	return ParseCPUs(strings.TrimSpace(string(data)))
-}
-
-func (m *SlurmCgroupCollector) isExcluded(metric string) bool {
-	_, found := m.excludeMetrics[metric]
-	return found
-}
-
-func (m *SlurmCgroupCollector) readFile(path string) ([]byte, error) {
-	if m.useSudo {
-		cmd := exec.Command("sudo", "cat", path)
-		return cmd.Output()
-	}
-	return os.ReadFile(path)
-}
-
-func (m *SlurmCgroupCollector) Init(config json.RawMessage) error {
-	var err error
-	m.name = "SlurmCgroupCollector"
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
-	m.parallel = true
-	m.meta = map[string]string{"source": m.name, "group": "SLURM"}
-	m.tags = map[string]string{"type": "hwthread"}
-	m.cpuUsed = make(map[int]bool)
-	m.cgroupBase = defaultCgroupBase
-
-	if len(config) > 0 {
-		err = json.Unmarshal(config, &m.config)
-		if err != nil {
-			cclog.ComponentError(m.name, "Error reading config:", err.Error())
-			return err
-		}
-		m.excludeMetrics = make(map[string]struct{})
-		for _, metric := range m.config.ExcludeMetrics {
-			m.excludeMetrics[metric] = struct{}{}
-		}
-		if m.config.CgroupBase != "" {
-			m.cgroupBase = m.config.CgroupBase
-		}
-	}
-
-	m.useSudo = m.config.UseSudo
-	if !m.useSudo {
-		user, err := user.Current()
-		if err != nil {
-			cclog.ComponentError(m.name, "Failed to get current user:", err.Error())
-			return err
-		}
-		if user.Uid != "0" {
-			cclog.ComponentError(m.name, "Reading cgroup files requires root privileges (or enable use_sudo in config)")
-			return fmt.Errorf("not root")
-		}
-	}
-
-	m.allCPUs, err = GetAllCPUs()
-	if err != nil {
-		cclog.ComponentError(m.name, "Error reading online CPUs:", err.Error())
-		return err
-	}
-
-	m.init = true
-	return nil
-}
-
-func (m *SlurmCgroupCollector) ReadJobData(jobdir string) (SlurmJobData, error) {
-	jobdata := SlurmJobData{
-		MemoryUsage:      0,
-		MaxMemoryUsage:   0,
-		LimitMemoryUsage: 0,
-		CpuUsageUser:     0,
-		CpuUsageSys:      0,
-		CpuSet:           []int{},
-	}
-
-	cg := func(f string) string { return filepath.Join(m.cgroupBase, jobdir, f) }
-
-	memUsage, err := m.readFile(cg("memory.current"))
-	if err == nil {
-		x, err := strconv.ParseFloat(strings.TrimSpace(string(memUsage)), 64)
-		if err == nil {
-			jobdata.MemoryUsage = x
-		}
-	}
-
-	maxMem, err := m.readFile(cg("memory.peak"))
-	if err == nil {
-		x, err := strconv.ParseFloat(strings.TrimSpace(string(maxMem)), 64)
-		if err == nil {
-			jobdata.MaxMemoryUsage = x
-		}
-	}
-
-	limitMem, err := m.readFile(cg("memory.max"))
-	if err == nil {
-		x, err := strconv.ParseFloat(strings.TrimSpace(string(limitMem)), 64)
-		if err == nil {
-			jobdata.LimitMemoryUsage = x
-		}
-	}
-
-	cpuStat, err := m.readFile(cg("cpu.stat"))
-	if err == nil {
-		lines := strings.Split(strings.TrimSpace(string(cpuStat)), "\n")
-		var usageUsec, userUsec, systemUsec float64
-		for _, line := range lines {
-			fields := strings.Fields(line)
-			if len(fields) < 2 {
-				continue
-			}
-			value, err := strconv.ParseFloat(fields[1], 64)
-			if err != nil {
-				continue
-			}
-			switch fields[0] {
-			case "usage_usec":
-				usageUsec = value
-			case "user_usec":
-				userUsec = value
-			case "system_usec":
-				systemUsec = value
-			}
-		}
-		if usageUsec > 0 {
-			jobdata.CpuUsageUser = (userUsec * 100 / usageUsec)
-			jobdata.CpuUsageSys = (systemUsec * 100 / usageUsec)
-		}
-	}
-
-	cpuSet, err := m.readFile(cg("cpuset.cpus"))
-	if err == nil {
-		cpus, err := ParseCPUs(strings.TrimSpace(string(cpuSet)))
-		if err == nil {
-			jobdata.CpuSet = cpus
-		}
-	}
-
-	return jobdata, nil
-}
-
-func (m *SlurmCgroupCollector) Read(interval time.Duration, output chan lp.CCMessage) {
-	timestamp := time.Now()
-
-	for k := range m.cpuUsed {
-		delete(m.cpuUsed, k)
-	}
-
-	globPattern := filepath.Join(m.cgroupBase, "job_*")
-	jobDirs, err := filepath.Glob(globPattern)
-	if err != nil {
-		cclog.ComponentError(m.name, "Error globbing job directories:", err.Error())
-		return
-	}
-
-	for _, jdir := range jobDirs {
-		jKey := filepath.Base(jdir)
-
-		jobdata, err := m.ReadJobData(jKey)
-		if err != nil {
-			cclog.ComponentError(m.name, "Error reading job data for", jKey, ":", err.Error())
-			continue
-		}
-
-		if len(jobdata.CpuSet) > 0 {
-			coreCount := float64(len(jobdata.CpuSet))
-			for _, cpu := range jobdata.CpuSet {
-				coreTags := map[string]string{
-					"type":    "hwthread",
-					"type-id": fmt.Sprintf("%d", cpu),
-				}
-
-				if coreCount > 0 && !m.isExcluded("job_mem_used") {
-					memPerCore := jobdata.MemoryUsage / coreCount
-					if y, err := lp.NewMessage("job_mem_used", coreTags, m.meta, map[string]any{"value": memPerCore}, timestamp); err == nil {
-						y.AddMeta("unit", "Bytes")
-						output <- y
-					}
-				}
-
-				if coreCount > 0 && !m.isExcluded("job_max_mem_used") {
-					maxMemPerCore := jobdata.MaxMemoryUsage / coreCount
-					if y, err := lp.NewMessage("job_max_mem_used", coreTags, m.meta, map[string]any{"value": maxMemPerCore}, timestamp); err == nil {
-						y.AddMeta("unit", "Bytes")
-						output <- y
-					}
-				}
-
-				if coreCount > 0 && !m.isExcluded("job_mem_limit") {
-					limitPerCore := jobdata.LimitMemoryUsage / coreCount
-					if y, err := lp.NewMessage("job_mem_limit", coreTags, m.meta, map[string]any{"value": limitPerCore}, timestamp); err == nil {
-						y.AddMeta("unit", "Bytes")
-						output <- y
-					}
-				}
-
-				if coreCount > 0 && !m.isExcluded("job_user_cpu") {
-					cpuUserPerCore := jobdata.CpuUsageUser / coreCount
-					if y, err := lp.NewMessage("job_user_cpu", coreTags, m.meta, map[string]any{"value": cpuUserPerCore}, timestamp); err == nil {
-						y.AddMeta("unit", "%")
-						output <- y
-					}
-				}
-
-				if coreCount > 0 && !m.isExcluded("job_sys_cpu") {
-					cpuSysPerCore := jobdata.CpuUsageSys / coreCount
-					if y, err := lp.NewMessage("job_sys_cpu", coreTags, m.meta, map[string]any{"value": cpuSysPerCore}, timestamp); err == nil {
-						y.AddMeta("unit", "%")
-						output <- y
-					}
-				}
-
-				m.cpuUsed[cpu] = true
-			}
-		}
-	}
-
-	for _, cpu := range m.allCPUs {
-		if !m.cpuUsed[cpu] {
-			coreTags := map[string]string{
-				"type":    "hwthread",
-				"type-id": fmt.Sprintf("%d", cpu),
-			}
-
-			if !m.isExcluded("job_mem_used") {
-				if y, err := lp.NewMessage("job_mem_used", coreTags, m.meta, map[string]any{"value": 0}, timestamp); err == nil {
-					y.AddMeta("unit", "Bytes")
-					output <- y
-				}
-			}
-
-			if !m.isExcluded("job_max_mem_used") {
-				if y, err := lp.NewMessage("job_max_mem_used", coreTags, m.meta, map[string]any{"value": 0}, timestamp); err == nil {
-					y.AddMeta("unit", "Bytes")
-					output <- y
-				}
-			}
-
-			if !m.isExcluded("job_mem_limit") {
-				if y, err := lp.NewMessage("job_mem_limit", coreTags, m.meta, map[string]any{"value": 0}, timestamp); err == nil {
-					y.AddMeta("unit", "Bytes")
-					output <- y
-				}
-			}
-
-			if !m.isExcluded("job_user_cpu") {
-				if y, err := lp.NewMessage("job_user_cpu", coreTags, m.meta, map[string]any{"value": 0}, timestamp); err == nil {
-					y.AddMeta("unit", "%")
-					output <- y
-				}
-			}
-
-			if !m.isExcluded("job_sys_cpu") {
-				if y, err := lp.NewMessage("job_sys_cpu", coreTags, m.meta, map[string]any{"value": 0}, timestamp); err == nil {
-					y.AddMeta("unit", "%")
-					output <- y
-				}
-			}
-		}
-	}
-}
-
-func (m *SlurmCgroupCollector) Close() {
-	m.init = false
-}

collectors/slurmCgroupMetric.md

@@ -1,50 +0,0 @@
-<!--
----
-title: Slurm cgroup metric collector
-description: Collect per-core memory and CPU usage for SLURM jobs from cgroup v2
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 3
-hugo_path: docs/reference/cc-metric-collector/collectors/slurm_cgroup.md
----
--->
-
-## `slurm_cgroup` collector
-
-The `slurm_cgroup` collector reads job-specific resource metrics from the cgroup v2 filesystem and provides **hwthread** metrics for memory and CPU usage of running SLURM jobs.  
-
-### Example configuration
-
-```json
-"slurm_cgroup": {
-  "cgroup_base": "/sys/fs/cgroup/system.slice/slurmstepd.scope",
-  "exclude_metrics": [
-    "job_sys_cpu",
-    "job_mem_limit"
-  ],
-  "use_sudo": false
-}
-```
-
-* The `cgroup_base` parameter (optional) can be set to specify the root path to SLURM job cgroups. The default is `/sys/fs/cgroup/system.slice/slurmstepd.scope`.
-* The `exclude_metrics` array can be used to suppress individual metrics from being sent to the sink.
-* The cgroups metrics are only available for root users. If password-less sudo is configured, you can enable sudo in the configuration.
-
-### Reported metrics
-
-All metrics are available **per hardware thread** :
-
-* `job_mem_used` (`unit=Bytes`): Current memory usage of the job
-* `job_max_mem_used` (`unit=Bytes`): Peak memory usage
-* `job_mem_limit` (`unit=Bytes`): Cgroup memory limit
-* `job_user_cpu` (`unit=%`): User CPU utilization percentage
-* `job_sys_cpu` (`unit=%`): System CPU utilization percentage
-
-Each metric has tags:
-
-* `type=hwthread`
-* `type-id=<core_id>`
-
-### Limitations
-
-* **cgroups v2 required:** This collector only supports systems running with cgroups v2 (unified hierarchy).

collectors/tempMetric.go

@@ -1,10 +1,3 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
@@ -16,8 +9,8 @@ import (
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 )
 
 // See: https://www.kernel.org/doc/html/latest/hwmon/sysfs-interface.html
@@ -58,9 +51,7 @@ func (m *TempCollector) Init(config json.RawMessage) error {
 
 	m.name = "TempCollector"
 	m.parallel = true
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	if len(config) > 0 {
 		err := json.Unmarshal(config, &m.config)
 		if err != nil {
@@ -119,7 +110,7 @@ func (m *TempCollector) Init(config json.RawMessage) error {
 			sensor.metricName = sensor.label
 		}
 		sensor.metricName = strings.ToLower(sensor.metricName)
-		sensor.metricName = strings.ReplaceAll(sensor.metricName, " ", "_")
+		sensor.metricName = strings.Replace(sensor.metricName, " ", "_", -1)
 		// Add temperature prefix, if required
 		if !strings.Contains(sensor.metricName, "temp") {
 			sensor.metricName = "temp_" + sensor.metricName
@@ -203,7 +194,7 @@ func (m *TempCollector) Read(interval time.Duration, output chan lp.CCMessage) {
 			sensor.metricName,
 			sensor.tags,
 			m.meta,
-			map[string]any{"value": x},
+			map[string]interface{}{"value": x},
 			time.Now(),
 		)
 		if err == nil {
@@ -216,7 +207,7 @@ func (m *TempCollector) Read(interval time.Duration, output chan lp.CCMessage) {
 				sensor.maxTempName,
 				sensor.tags,
 				m.meta,
-				map[string]any{"value": sensor.maxTemp},
+				map[string]interface{}{"value": sensor.maxTemp},
 				time.Now(),
 			)
 			if err == nil {
@@ -230,7 +221,7 @@ func (m *TempCollector) Read(interval time.Duration, output chan lp.CCMessage) {
 				sensor.critTempName,
 				sensor.tags,
 				m.meta,
-				map[string]any{"value": sensor.critTemp},
+				map[string]interface{}{"value": sensor.critTemp},
 				time.Now(),
 			)
 			if err == nil {

collectors/tempMetric.md

@@ -1,14 +1,3 @@
-<!--
----
-title: Temperature metric collector
-description: Collect thermal metrics from `/sys/class/hwmon/*`
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/temp.md
----
--->
-
 
 ## `tempstat` collector
 

collectors/topprocsMetric.go

@@ -1,21 +1,15 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package collectors
 
 import (
 	"encoding/json"
+	"errors"
 	"fmt"
+	"log"
 	"os/exec"
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 )
 
 const MAX_NUM_PROCS = 10
@@ -35,17 +29,12 @@ func (m *TopProcsCollector) Init(config json.RawMessage) error {
 	var err error
 	m.name = "TopProcsCollector"
 	m.parallel = true
-	m.tags = map[string]string{
-		"type": "node",
-	}
-	m.meta = map[string]string{
-		"source": m.name,
-		"group":  "TopProcs",
-	}
+	m.tags = map[string]string{"type": "node"}
+	m.meta = map[string]string{"source": m.name, "group": "TopProcs"}
 	if len(config) > 0 {
 		err = json.Unmarshal(config, &m.config)
 		if err != nil {
-			return fmt.Errorf("%s Init(): json.Unmarshal() failed: %w", m.name, err)
+			return err
 		}
 	} else {
 		m.config.Num_procs = int(DEFAULT_NUM_PROCS)
@@ -53,13 +42,12 @@ func (m *TopProcsCollector) Init(config json.RawMessage) error {
 	if m.config.Num_procs <= 0 || m.config.Num_procs > MAX_NUM_PROCS {
 		return fmt.Errorf("num_procs option must be set in 'topprocs' config (range: 1-%d)", MAX_NUM_PROCS)
 	}
-	if err := m.setup(); err != nil {
-		return fmt.Errorf("%s Init(): setup() call failed: %w", m.name, err)
-	}
+	m.setup()
 	command := exec.Command("ps", "-Ao", "comm", "--sort=-pcpu")
+	command.Wait()
 	_, err = command.Output()
 	if err != nil {
-		return fmt.Errorf("%s Init(): failed to get output from command: %w", m.name, err)
+		return errors.New("failed to execute command")
 	}
 	m.init = true
 	return nil
@@ -70,18 +58,17 @@ func (m *TopProcsCollector) Read(interval time.Duration, output chan lp.CCMessag
 		return
 	}
 	command := exec.Command("ps", "-Ao", "comm", "--sort=-pcpu")
+	command.Wait()
 	stdout, err := command.Output()
 	if err != nil {
-		cclog.ComponentError(
-			m.name,
-			fmt.Sprintf("Read(): Failed to read output from command \"%s\": %v", command.String(), err))
+		log.Print(m.name, err)
 		return
 	}
 
 	lines := strings.Split(string(stdout), "\n")
 	for i := 1; i < m.config.Num_procs+1; i++ {
 		name := fmt.Sprintf("topproc%d", i)
-		y, err := lp.NewMessage(name, m.tags, m.meta, map[string]any{"value": string(lines[i])}, time.Now())
+		y, err := lp.NewMessage(name, m.tags, m.meta, map[string]interface{}{"value": string(lines[i])}, time.Now())
 		if err == nil {
 			output <- y
 		}

collectors/topprocsMetric.md

@@ -1,15 +1,3 @@
-<!--
----
-title: TopProcs collector
-description: Collect infos about most CPU-consuming processes
-categories: [cc-metric-collector]
-tags: ['Admin']
-weight: 2
-hugo_path: docs/reference/cc-metric-collector/collectors/topprocs.md
----
--->
-
-
 
 ## `topprocs` collector
 

docs/configuration.md

@@ -4,7 +4,7 @@ The configuration of the CC metric collector consists of five configuration file
 
 ## Global configuration
 
-The global file contains the paths to the other four files and some global options. You can find examples in `example_configs`.
+The global file contains the paths to the other four files and some global options. 
 
 ```json
 {

go.mod

@@ -1,45 +1,48 @@
 module github.com/ClusterCockpit/cc-metric-collector
 
-go 1.24.0
+go 1.23.4
+
+toolchain go1.23.7
 
 require (
-	github.com/ClusterCockpit/cc-lib/v2 v2.2.1
+	github.com/ClusterCockpit/cc-lib v0.1.1
 	github.com/ClusterCockpit/go-rocm-smi v0.3.0
-	github.com/NVIDIA/go-nvml v0.13.0-1
-	github.com/PaesslerAG/gval v1.2.4
-	github.com/fsnotify/fsnotify v1.9.0
+	github.com/NVIDIA/go-nvml v0.12.0-2
+	github.com/PaesslerAG/gval v1.2.2
+	github.com/fsnotify/fsnotify v1.7.0
+	github.com/gorilla/mux v1.8.1
+	github.com/influxdata/influxdb-client-go/v2 v2.14.0
 	github.com/influxdata/line-protocol v0.0.0-20210922203350-b1ad95c89adf
-	github.com/tklauser/go-sysconf v0.3.16
+	github.com/influxdata/line-protocol/v2 v2.2.1
+	github.com/nats-io/nats.go v1.39.0
+	github.com/prometheus/client_golang v1.20.5
+	github.com/stmcginnis/gofish v0.15.0
+	github.com/tklauser/go-sysconf v0.3.13
 	golang.design/x/thread v0.0.0-20210122121316-335e9adffdf1
-	golang.org/x/sys v0.41.0
+	golang.org/x/exp v0.0.0-20250215185904-eff6e970281f
+	golang.org/x/sys v0.30.0
 )
 
 require (
+	github.com/ClusterCockpit/cc-backend v1.4.2 // indirect
+	github.com/ClusterCockpit/cc-units v0.4.0 // indirect
 	github.com/apapsch/go-jsonmerge/v2 v2.0.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
-	github.com/expr-lang/expr v1.17.7 // indirect
+	github.com/expr-lang/expr v1.17.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
-	github.com/gorilla/mux v1.8.1 // indirect
-	github.com/influxdata/influxdb-client-go/v2 v2.14.0 // indirect
-	github.com/influxdata/line-protocol/v2 v2.2.1 // indirect
-	github.com/klauspost/compress v1.18.2 // indirect
+	github.com/klauspost/compress v1.17.9 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
-	github.com/nats-io/nats.go v1.48.0 // indirect
-	github.com/nats-io/nkeys v0.4.12 // indirect
+	github.com/nats-io/nkeys v0.4.9 // indirect
 	github.com/nats-io/nuid v1.0.1 // indirect
-	github.com/oapi-codegen/runtime v1.1.2 // indirect
-	github.com/prometheus/client_golang v1.23.2 // indirect
-	github.com/prometheus/client_model v0.6.2 // indirect
-	github.com/prometheus/common v0.67.5 // indirect
-	github.com/prometheus/procfs v0.19.2 // indirect
+	github.com/oapi-codegen/runtime v1.1.1 // indirect
+	github.com/prometheus/client_model v0.6.1 // indirect
+	github.com/prometheus/common v0.55.0 // indirect
+	github.com/prometheus/procfs v0.15.1 // indirect
 	github.com/santhosh-tekuri/jsonschema/v5 v5.3.1 // indirect
-	github.com/shopspring/decimal v1.4.0 // indirect
-	github.com/stmcginnis/gofish v0.20.0 // indirect
-	github.com/tklauser/numcpus v0.11.0 // indirect
-	go.yaml.in/yaml/v2 v2.4.3 // indirect
-	golang.org/x/crypto v0.47.0 // indirect
-	golang.org/x/exp v0.0.0-20260112195511-716be5621a96 // indirect
-	golang.org/x/net v0.49.0 // indirect
-	google.golang.org/protobuf v1.36.11 // indirect
+	github.com/shopspring/decimal v1.3.1 // indirect
+	github.com/tklauser/numcpus v0.7.0 // indirect
+	golang.org/x/crypto v0.35.0 // indirect
+	golang.org/x/net v0.36.0 // indirect
+	google.golang.org/protobuf v1.35.2 // indirect
 )

go.sum

@@ -1,17 +1,21 @@
-github.com/ClusterCockpit/cc-lib/v2 v2.2.1 h1:iCVas+Jc61zFH5S2VG3H1sc7tsn+U4lOJwUYjYZEims=
-github.com/ClusterCockpit/cc-lib/v2 v2.2.1/go.mod h1:JuxMAuEOaLLNEnnL9U3ejha8kMvsSatLdKPZEgJw6iw=
+github.com/ClusterCockpit/cc-backend v1.4.2 h1:kTOzqkh9N0564N9nqQThnSs7TAfg8RLgvSm00e5HtIc=
+github.com/ClusterCockpit/cc-backend v1.4.2/go.mod h1:g8TNHXe4AXej26snu2//jO3mUF980elT93iV/k11O/c=
+github.com/ClusterCockpit/cc-lib v0.1.0-beta.1 h1:dz9j0g2cod8+SMDjuoIY6ISpiHHeekhX6yQaeiwiwJw=
+github.com/ClusterCockpit/cc-lib v0.1.0-beta.1/go.mod h1:kXMskla1i5ZSfXW0vVRIHgGeXMU5zu2PzYOYnUaOr80=
+github.com/ClusterCockpit/cc-lib v0.1.1 h1:AXZWYUzgTaE/WdxLNSWPR7FJoA5WlzvYZxw4gIw3gNw=
+github.com/ClusterCockpit/cc-lib v0.1.1/go.mod h1:SHKcWW/+kN+pcofAtHJFxvmx1FV0VIJuQv5PuT0HDcc=
+github.com/ClusterCockpit/cc-units v0.4.0 h1:zP5DOu99GmErW0tCDf0gcLrlWt42RQ9dpoONEOh4cI0=
+github.com/ClusterCockpit/cc-units v0.4.0/go.mod h1:3S3PAhAayS3pbgcT4q9Vn9VJw22Op51X0YimtG77zBw=
 github.com/ClusterCockpit/go-rocm-smi v0.3.0 h1:1qZnSpG7/NyLtc7AjqnUL9Jb8xtqG1nMVgp69rJfaR8=
 github.com/ClusterCockpit/go-rocm-smi v0.3.0/go.mod h1:+I3UMeX3OlizXDf1WpGD43W4KGZZGVSGmny6rTeOnWA=
 github.com/NVIDIA/go-nvml v0.11.6-0/go.mod h1:hy7HYeQy335x6nEss0Ne3PYqleRa6Ct+VKD9RQ4nyFs=
-github.com/NVIDIA/go-nvml v0.13.0-1 h1:OLX8Jq3dONuPOQPC7rndB6+iDmDakw0XTYgzMxObkEw=
-github.com/NVIDIA/go-nvml v0.13.0-1/go.mod h1:+KNA7c7gIBH7SKSJ1ntlwkfN80zdx8ovl4hrK3LmPt4=
-github.com/PaesslerAG/gval v1.2.4 h1:rhX7MpjJlcxYwL2eTTYIOBUyEKZ+A96T9vQySWkVUiU=
-github.com/PaesslerAG/gval v1.2.4/go.mod h1:XRFLwvmkTEdYziLdaCeCa5ImcGVrfQbeNUbVR+C6xac=
+github.com/NVIDIA/go-nvml v0.12.0-2 h1:Sg239yy7jmopu/cuvYauoMj9fOpcGMngxVxxS1EBXeY=
+github.com/NVIDIA/go-nvml v0.12.0-2/go.mod h1:7ruy85eOM73muOc/I37euONSwEyFqZsv5ED9AogD4G0=
+github.com/PaesslerAG/gval v1.2.2 h1:Y7iBzhgE09IGTt5QgGQ2IdaYYYOU134YGHBThD+wm9E=
+github.com/PaesslerAG/gval v1.2.2/go.mod h1:XRFLwvmkTEdYziLdaCeCa5ImcGVrfQbeNUbVR+C6xac=
 github.com/PaesslerAG/jsonpath v0.1.0 h1:gADYeifvlqK3R3i2cR5B4DGgxLXIPb3TRTH1mGi0jPI=
 github.com/PaesslerAG/jsonpath v0.1.0/go.mod h1:4BzmtoM/PI8fPO4aQGIusjGxGir2BzcV0grWtFzq1Y8=
 github.com/RaveNoX/go-jsoncommentstrip v1.0.0/go.mod h1:78ihd09MekBnJnxpICcwzCMzGrKSKYe4AqU6PDYYpjk=
-github.com/antithesishq/antithesis-sdk-go v0.5.0-default-no-op h1:Ucf+QxEKMbPogRO5guBNe5cgd9uZgfoJLOYs8WWhtjM=
-github.com/antithesishq/antithesis-sdk-go v0.5.0-default-no-op/go.mod h1:IUpT2DPAKh6i/YhSbt6Gl3v2yvUZjmKncl7U91fup7E=
 github.com/apapsch/go-jsonmerge/v2 v2.0.0 h1:axGnT1gRIfimI7gJifB699GoE/oq+F2MU7Dml6nw9rQ=
 github.com/apapsch/go-jsonmerge/v2 v2.0.0/go.mod h1:lvDnEdqiQrp0O42VQGgmlKpxL1AP2+08jFMw88y4klk=
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
@@ -23,20 +27,20 @@ github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ3
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/expr-lang/expr v1.17.7 h1:Q0xY/e/2aCIp8g9s/LGvMDCC5PxYlvHgDZRQ4y16JX8=
-github.com/expr-lang/expr v1.17.7/go.mod h1:8/vRC7+7HBzESEqt5kKpYXxrxkr31SaO8r40VO/1IT4=
+github.com/expr-lang/expr v1.16.9 h1:WUAzmR0JNI9JCiF0/ewwHB1gmcGw5wW7nWt8gc6PpCI=
+github.com/expr-lang/expr v1.16.9/go.mod h1:8/vRC7+7HBzESEqt5kKpYXxrxkr31SaO8r40VO/1IT4=
+github.com/expr-lang/expr v1.17.0 h1:+vpszOyzKLQXC9VF+wA8cVA0tlA984/Wabc/1hF9Whg=
+github.com/expr-lang/expr v1.17.0/go.mod h1:8/vRC7+7HBzESEqt5kKpYXxrxkr31SaO8r40VO/1IT4=
 github.com/frankban/quicktest v1.11.0/go.mod h1:K+q6oSqb0W0Ininfk863uOk1lMy69l/P6txr3mVT54s=
 github.com/frankban/quicktest v1.11.2/go.mod h1:K+q6oSqb0W0Ininfk863uOk1lMy69l/P6txr3mVT54s=
 github.com/frankban/quicktest v1.13.0 h1:yNZif1OkDfNoDfb9zZa9aXIpejNR4F23Wely0c+Qdqk=
 github.com/frankban/quicktest v1.13.0/go.mod h1:qLE0fzW0VuyUAJgPU19zByoIr0HtCHN/r/VLSOOIySU=
-github.com/fsnotify/fsnotify v1.9.0 h1:2Ml+OJNzbYCTzsxtv8vKSFD9PbJjmhYF14k/jKC7S9k=
-github.com/fsnotify/fsnotify v1.9.0/go.mod h1:8jBTzvmWwFyi3Pb8djgCCO5IBqzKJ/Jwo8TRcHyHii0=
+github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA=
+github.com/fsnotify/fsnotify v1.7.0/go.mod h1:40Bi/Hjc2AVfZrqy+aj+yEI+/bRxZnMJyTJwOpGvigM=
 github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
-github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
-github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
-github.com/google/go-tpm v0.9.7 h1:u89J4tUUeDTlH8xxC3CTW7OHZjbjKoHdQ9W7gCUhtxA=
-github.com/google/go-tpm v0.9.7/go.mod h1:h9jEsEECg7gtLis0upRBQU+GhYVH6jMjrFxI8u6bVUY=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gorilla/mux v1.8.1 h1:TuBL49tXwgrFYWhqrNgrUNEY92u81SPhu7sTdzQEiWY=
@@ -53,8 +57,8 @@ github.com/influxdata/line-protocol/v2 v2.1.0/go.mod h1:QKw43hdUBg3GTk2iC3iyCxks
 github.com/influxdata/line-protocol/v2 v2.2.1 h1:EAPkqJ9Km4uAxtMRgUubJyqAr6zgWM0dznKMLRauQRE=
 github.com/influxdata/line-protocol/v2 v2.2.1/go.mod h1:DmB3Cnh+3oxmG6LOBIxce4oaL4CPj3OmMPgvauXh+tM=
 github.com/juju/gnuflag v0.0.0-20171113085948-2ce1bb71843d/go.mod h1:2PavIy+JPciBPrBUjwbNvtwB6RQlve+hkpll6QSNmOE=
-github.com/klauspost/compress v1.18.2 h1:iiPHWW0YrcFgpBYhsA6D1+fqHssJscY/Tm/y2Uqnapk=
-github.com/klauspost/compress v1.18.2/go.mod h1:R0h/fSBs8DE4ENlcrlib3PsXS61voFxhIs2DeRhCvJ4=
+github.com/klauspost/compress v1.17.9 h1:6KIumPrER1LHsvBVuDa0r5xaG0Es51mhhB9BQB2qeMA=
+github.com/klauspost/compress v1.17.9/go.mod h1:Di0epgTjJY877eYKx5yC51cX2A2Vl2ibi7bDH9ttBbw=
 github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
@@ -64,75 +68,72 @@ github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
 github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
 github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
-github.com/minio/highwayhash v1.0.4-0.20251030100505-070ab1a87a76 h1:KGuD/pM2JpL9FAYvBrnBBeENKZNh6eNtjqytV6TYjnk=
-github.com/minio/highwayhash v1.0.4-0.20251030100505-070ab1a87a76/go.mod h1:GGYsuwP/fPD6Y9hMiXuapVvlIUEhFhMTh0rxU3ik1LQ=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822/go.mod h1:+n7T8mK8HuQTcFwEeznm/DIxMOiR9yIdICNftLE1DvQ=
-github.com/nats-io/jwt/v2 v2.8.0 h1:K7uzyz50+yGZDO5o772eRE7atlcSEENpL7P+b74JV1g=
-github.com/nats-io/jwt/v2 v2.8.0/go.mod h1:me11pOkwObtcBNR8AiMrUbtVOUGkqYjMQZ6jnSdVUIA=
-github.com/nats-io/nats-server/v2 v2.12.3 h1:KRv+1n7lddMVgkJPQer+pt36TcO0ENxjilBmeWdjcHs=
-github.com/nats-io/nats-server/v2 v2.12.3/go.mod h1:MQXjG9WjyXKz9koWzUc3jYUMKD8x3CLmTNy91IQQz3Y=
-github.com/nats-io/nats.go v1.48.0 h1:pSFyXApG+yWU/TgbKCjmm5K4wrHu86231/w84qRVR+U=
-github.com/nats-io/nats.go v1.48.0/go.mod h1:iRWIPokVIFbVijxuMQq4y9ttaBTMe0SFdlZfMDd+33g=
-github.com/nats-io/nkeys v0.4.12 h1:nssm7JKOG9/x4J8II47VWCL1Ds29avyiQDRn0ckMvDc=
-github.com/nats-io/nkeys v0.4.12/go.mod h1:MT59A1HYcjIcyQDJStTfaOY6vhy9XTUjOFo+SVsvpBg=
+github.com/nats-io/nats.go v1.39.0 h1:2/yg2JQjiYYKLwDuBzV0FbB2sIV+eFNkEevlRi4n9lI=
+github.com/nats-io/nats.go v1.39.0/go.mod h1:MgRb8oOdigA6cYpEPhXJuRVH6UE/V4jblJ2jQ27IXYM=
+github.com/nats-io/nkeys v0.4.9 h1:qe9Faq2Gxwi6RZnZMXfmGMZkg3afLLOtrU+gDZJ35b0=
+github.com/nats-io/nkeys v0.4.9/go.mod h1:jcMqs+FLG+W5YO36OX6wFIFcmpdAns+w1Wm6D3I/evE=
 github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
 github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
-github.com/oapi-codegen/runtime v1.1.2 h1:P2+CubHq8fO4Q6fV1tqDBZHCwpVpvPg7oKiYzQgXIyI=
-github.com/oapi-codegen/runtime v1.1.2/go.mod h1:SK9X900oXmPWilYR5/WKPzt3Kqxn/uS/+lbpREv+eCg=
+github.com/oapi-codegen/runtime v1.1.1 h1:EXLHh0DXIJnWhdRPN2w4MXAzFyE4CskzhNLUmtpMYro=
+github.com/oapi-codegen/runtime v1.1.1/go.mod h1:SK9X900oXmPWilYR5/WKPzt3Kqxn/uS/+lbpREv+eCg=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
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 github.com/rogpeppe/go-internal v1.10.0/go.mod h1:UQnix2H7Ngw/k4C5ijL5+65zddjncjaFoBhdsK/akog=
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 golang.design/x/thread v0.0.0-20210122121316-335e9adffdf1/go.mod h1:9CWpnTUmlQkfdpdutA1nNf4iE5lAVt3QZOu0Z6hahBE=
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internal/metricAggregator/README.md

@@ -1,14 +1,3 @@
-<!--
----
-title: Metric Aggregator
-description: Subsystem for evaluating expressions on metrics (deprecated)
-categories: [cc-metric-collector]
-tags: ['Developer']
-weight: 1
-hugo_path: docs/reference/cc-metric-collector/internal/metricaggregator/_index.md
----
--->
-
 # The MetricAggregator
 
 In some cases, further combination of metrics or raw values is required. For that strings like `foo + 1` with runtime dependent `foo` need to be evaluated. The MetricAggregator relies on the [`gval`](https://github.com/PaesslerAG/gval) Golang package to perform all expression evaluation. The `gval` package provides the basic arithmetic operations but the MetricAggregator defines additional ones.
@@ -46,4 +35,4 @@ The MetricAggregator provides these functions additional to the `Full` language
 ## Limitations
 
 - Since the metrics are written in JSON files which do not allow `""` without proper escaping inside of JSON strings, you have to use `''` for strings.
-- Since `\` is interpreted by JSON as escape character, it cannot be used in metrics. But it is required to write regular expressions. So instead of `/`, use `%` and the MetricAggregator replaces them after reading the JSON file.
+- Since `\` is interpreted by JSON as escape character, it cannot be used in metrics. But it is required to write regular expressions. So instead of `/`, use `%` and the MetricAggregator replaces them after reading the JSON file.

internal/metricAggregator/metricAggregator.go

@@ -1,26 +1,17 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package metricAggregator
 
 import (
 	"context"
 	"fmt"
-	"maps"
 	"math"
 	"os"
-	"slices"
 	"strings"
 	"sync"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
 
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 	topo "github.com/ClusterCockpit/cc-metric-collector/pkg/ccTopology"
 
 	"github.com/PaesslerAG/gval"
@@ -38,7 +29,7 @@ type MetricAggregatorIntervalConfig struct {
 
 type metricAggregator struct {
 	functions []*MetricAggregatorIntervalConfig
-	constants map[string]any
+	constants map[string]interface{}
 	language  gval.Language
 	output    chan lp.CCMessage
 }
@@ -86,7 +77,7 @@ var evaluables = struct {
 func (c *metricAggregator) Init(output chan lp.CCMessage) error {
 	c.output = output
 	c.functions = make([]*MetricAggregatorIntervalConfig, 0)
-	c.constants = make(map[string]any)
+	c.constants = make(map[string]interface{})
 
 	// add constants like hostname, numSockets, ... to constants list
 	// Set hostname
@@ -122,8 +113,10 @@ func (c *metricAggregator) Init(output chan lp.CCMessage) error {
 }
 
 func (c *metricAggregator) Eval(starttime time.Time, endtime time.Time, metrics []lp.CCMessage) {
-	vars := make(map[string]any)
-	maps.Copy(vars, c.constants)
+	vars := make(map[string]interface{})
+	for k, v := range c.constants {
+		vars[k] = v
+	}
 	vars["starttime"] = starttime
 	vars["endtime"] = endtime
 	for _, f := range c.functions {
@@ -263,15 +256,15 @@ func (c *metricAggregator) Eval(starttime time.Time, endtime time.Time, metrics
 			var m lp.CCMessage
 			switch t := value.(type) {
 			case float64:
-				m, err = lp.NewMessage(f.Name, tags, meta, map[string]any{"value": t}, starttime)
+				m, err = lp.NewMessage(f.Name, tags, meta, map[string]interface{}{"value": t}, starttime)
 			case float32:
-				m, err = lp.NewMessage(f.Name, tags, meta, map[string]any{"value": t}, starttime)
+				m, err = lp.NewMessage(f.Name, tags, meta, map[string]interface{}{"value": t}, starttime)
 			case int:
-				m, err = lp.NewMessage(f.Name, tags, meta, map[string]any{"value": t}, starttime)
+				m, err = lp.NewMessage(f.Name, tags, meta, map[string]interface{}{"value": t}, starttime)
 			case int64:
-				m, err = lp.NewMessage(f.Name, tags, meta, map[string]any{"value": t}, starttime)
+				m, err = lp.NewMessage(f.Name, tags, meta, map[string]interface{}{"value": t}, starttime)
 			case string:
-				m, err = lp.NewMessage(f.Name, tags, meta, map[string]any{"value": t}, starttime)
+				m, err = lp.NewMessage(f.Name, tags, meta, map[string]interface{}{"value": t}, starttime)
 			default:
 				cclog.ComponentError("MetricCache", "Gval returned invalid type", t, "skipping metric", f.Name)
 			}
@@ -329,19 +322,18 @@ func (c *metricAggregator) AddAggregation(name, function, condition string, tags
 }
 
 func (c *metricAggregator) DeleteAggregation(name string) error {
-	i := slices.IndexFunc(
-		c.functions,
-		func(agg *MetricAggregatorIntervalConfig) bool {
-			return agg.Name == name
-		})
-	if i == -1 {
-		return fmt.Errorf("no aggregation for metric name %s", name)
+	for i, agg := range c.functions {
+		if agg.Name == name {
+			copy(c.functions[i:], c.functions[i+1:])
+			c.functions[len(c.functions)-1] = nil
+			c.functions = c.functions[:len(c.functions)-1]
+			return nil
+		}
 	}
-	c.functions = slices.Delete(c.functions, i, i)
-	return nil
+	return fmt.Errorf("no aggregation for metric name %s", name)
 }
 
-func (c *metricAggregator) AddConstant(name string, value any) {
+func (c *metricAggregator) AddConstant(name string, value interface{}) {
 	c.constants[name] = value
 }
 
@@ -349,11 +341,11 @@ func (c *metricAggregator) DelConstant(name string) {
 	delete(c.constants, name)
 }
 
-func (c *metricAggregator) AddFunction(name string, function func(args ...any) (any, error)) {
+func (c *metricAggregator) AddFunction(name string, function func(args ...interface{}) (interface{}, error)) {
 	c.language = gval.NewLanguage(c.language, gval.Function(name, function))
 }
 
-func EvalBoolCondition(condition string, params map[string]any) (bool, error) {
+func EvalBoolCondition(condition string, params map[string]interface{}) (bool, error) {
 	evaluables.mutex.Lock()
 	evaluable, ok := evaluables.mapping[condition]
 	evaluables.mutex.Unlock()

internal/metricAggregator/metricAggregatorFunctions.go

@@ -1,19 +1,13 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package metricAggregator
 
 import (
 	"errors"
 	"fmt"
 	"regexp"
-	"slices"
 	"strings"
 
+	"golang.org/x/exp/slices"
+
 	topo "github.com/ClusterCockpit/cc-metric-collector/pkg/ccTopology"
 )
 
@@ -33,7 +27,7 @@ func sumAnyType[T float64 | float32 | int | int32 | int64](values []T) (T, error
 }
 
 // Sum up values
-func sumfunc(args any) (any, error) {
+func sumfunc(args interface{}) (interface{}, error) {
 
 	var err error
 	switch values := args.(type) {
@@ -62,7 +56,7 @@ func minAnyType[T float64 | float32 | int | int32 | int64](values []T) (T, error
 }
 
 // Get the minimum value
-func minfunc(args any) (any, error) {
+func minfunc(args interface{}) (interface{}, error) {
 	switch values := args.(type) {
 	case []float64:
 		return minAnyType(values)
@@ -83,12 +77,12 @@ func avgAnyType[T float64 | float32 | int | int32 | int64](values []T) (float64,
 	if len(values) == 0 {
 		return 0.0, errors.New("average function requires at least one argument")
 	}
-	sum, err := sumAnyType(values)
+	sum, err := sumAnyType[T](values)
 	return float64(sum) / float64(len(values)), err
 }
 
 // Get the average or mean value
-func avgfunc(args any) (any, error) {
+func avgfunc(args interface{}) (interface{}, error) {
 	switch values := args.(type) {
 	case []float64:
 		return avgAnyType(values)
@@ -113,7 +107,7 @@ func maxAnyType[T float64 | float32 | int | int32 | int64](values []T) (T, error
 }
 
 // Get the maximum value
-func maxfunc(args any) (any, error) {
+func maxfunc(args interface{}) (interface{}, error) {
 	switch values := args.(type) {
 	case []float64:
 		return maxAnyType(values)
@@ -145,7 +139,7 @@ func medianAnyType[T float64 | float32 | int | int32 | int64](values []T) (T, er
 }
 
 // Get the median value
-func medianfunc(args any) (any, error) {
+func medianfunc(args interface{}) (interface{}, error) {
 	switch values := args.(type) {
 	case []float64:
 		return medianAnyType(values)
@@ -166,9 +160,9 @@ func medianfunc(args any) (any, error) {
  * Get number of values in list. Returns always an int
  */
 
-func lenfunc(args any) (any, error) {
+func lenfunc(args interface{}) (interface{}, error) {
 	var err error = nil
-	length := 0
+	var length int = 0
 	switch values := args.(type) {
 	case []float64:
 		length = len(values)
@@ -180,7 +174,13 @@ func lenfunc(args any) (any, error) {
 		length = len(values)
 	case []int32:
 		length = len(values)
-	case float64, float32, int, int64:
+	case float64:
+		err = errors.New("function 'len' can only be applied on arrays and strings")
+	case float32:
+		err = errors.New("function 'len' can only be applied on arrays and strings")
+	case int:
+		err = errors.New("function 'len' can only be applied on arrays and strings")
+	case int64:
 		err = errors.New("function 'len' can only be applied on arrays and strings")
 	case string:
 		length = len(values)
@@ -190,13 +190,13 @@ func lenfunc(args any) (any, error) {
 
 /*
  * Check if a values is in a list
- * In contrast to most of the other functions, this one is an infix operator for
+ * In constrast to most of the other functions, this one is an infix operator for
  * - substring matching: `"abc" in "abcdef"` -> true
  * - substring matching with int casting: `3 in "abd3"` -> true
  * - search for an int in an int list: `3 in getCpuList()` -> true (if you have more than 4 CPU hardware threads)
  */
 
-func infunc(a any, b any) (any, error) {
+func infunc(a interface{}, b interface{}) (interface{}, error) {
 	switch match := a.(type) {
 	case string:
 		switch total := b.(type) {
@@ -206,7 +206,11 @@ func infunc(a any, b any) (any, error) {
 	case int:
 		switch total := b.(type) {
 		case []int:
-			return slices.Contains(total, match), nil
+			for _, x := range total {
+				if x == match {
+					return true, nil
+				}
+			}
 		case string:
 			smatch := fmt.Sprintf("%d", match)
 			return strings.Contains(total, smatch), nil
@@ -222,12 +226,12 @@ func infunc(a any, b any) (any, error) {
  * format keys \d = %d, \w = %d, ... Not sure how to fix this
  */
 
-func matchfunc(args ...any) (any, error) {
+func matchfunc(args ...interface{}) (interface{}, error) {
 	switch match := args[0].(type) {
 	case string:
 		switch total := args[1].(type) {
 		case string:
-			smatch := strings.ReplaceAll(match, "%", "\\")
+			smatch := strings.Replace(match, "%", "\\", -1)
 			regex, err := regexp.Compile(smatch)
 			if err != nil {
 				return false, err
@@ -244,7 +248,7 @@ func matchfunc(args ...any) (any, error) {
  */
 
 // for a given cpuid, it returns the core id
-func getCpuCoreFunc(args any) (any, error) {
+func getCpuCoreFunc(args interface{}) (interface{}, error) {
 	switch cpuid := args.(type) {
 	case int:
 		return topo.GetHwthreadCore(cpuid), nil
@@ -253,7 +257,7 @@ func getCpuCoreFunc(args any) (any, error) {
 }
 
 // for a given cpuid, it returns the socket id
-func getCpuSocketFunc(args any) (any, error) {
+func getCpuSocketFunc(args interface{}) (interface{}, error) {
 	switch cpuid := args.(type) {
 	case int:
 		return topo.GetHwthreadSocket(cpuid), nil
@@ -262,7 +266,7 @@ func getCpuSocketFunc(args any) (any, error) {
 }
 
 // for a given cpuid, it returns the id of the NUMA node
-func getCpuNumaDomainFunc(args any) (any, error) {
+func getCpuNumaDomainFunc(args interface{}) (interface{}, error) {
 	switch cpuid := args.(type) {
 	case int:
 		return topo.GetHwthreadNumaDomain(cpuid), nil
@@ -271,7 +275,7 @@ func getCpuNumaDomainFunc(args any) (any, error) {
 }
 
 // for a given cpuid, it returns the id of the CPU die
-func getCpuDieFunc(args any) (any, error) {
+func getCpuDieFunc(args interface{}) (interface{}, error) {
 	switch cpuid := args.(type) {
 	case int:
 		return topo.GetHwthreadDie(cpuid), nil
@@ -280,7 +284,7 @@ func getCpuDieFunc(args any) (any, error) {
 }
 
 // for a given core id, it returns the list of cpuids
-func getCpuListOfCoreFunc(args any) (any, error) {
+func getCpuListOfCoreFunc(args interface{}) (interface{}, error) {
 	cpulist := make([]int, 0)
 	switch in := args.(type) {
 	case int:
@@ -294,7 +298,7 @@ func getCpuListOfCoreFunc(args any) (any, error) {
 }
 
 // for a given socket id, it returns the list of cpuids
-func getCpuListOfSocketFunc(args any) (any, error) {
+func getCpuListOfSocketFunc(args interface{}) (interface{}, error) {
 	cpulist := make([]int, 0)
 	switch in := args.(type) {
 	case int:
@@ -308,7 +312,7 @@ func getCpuListOfSocketFunc(args any) (any, error) {
 }
 
 // for a given id of a NUMA domain, it returns the list of cpuids
-func getCpuListOfNumaDomainFunc(args any) (any, error) {
+func getCpuListOfNumaDomainFunc(args interface{}) (interface{}, error) {
 	cpulist := make([]int, 0)
 	switch in := args.(type) {
 	case int:
@@ -322,7 +326,7 @@ func getCpuListOfNumaDomainFunc(args any) (any, error) {
 }
 
 // for a given CPU die id, it returns the list of cpuids
-func getCpuListOfDieFunc(args any) (any, error) {
+func getCpuListOfDieFunc(args interface{}) (interface{}, error) {
 	cpulist := make([]int, 0)
 	switch in := args.(type) {
 	case int:
@@ -336,14 +340,14 @@ func getCpuListOfDieFunc(args any) (any, error) {
 }
 
 // wrapper function to get a list of all cpuids of the node
-func getCpuListOfNode() (any, error) {
+func getCpuListOfNode() (interface{}, error) {
 	return topo.HwthreadList(), nil
 }
 
 // helper function to get the cpuid list for a CCMetric type tag set (type and type-id)
 // since there is no access to the metric data in the function, is should be called like
 // `getCpuListOfType()`
-func getCpuListOfType(args ...any) (any, error) {
+func getCpuListOfType(args ...interface{}) (interface{}, error) {
 	cpulist := make([]int, 0)
 	switch typ := args[0].(type) {
 	case string:

internal/metricRouter/README.md

@@ -1,22 +1,11 @@
-<!--
----
-title: Message Router
-description: Routing component inside cc-metric-collector
-categories: [cc-metric-collector]
-tags: ['Developer']
-weight: 1
-hugo_path: docs/reference/cc-metric-collector/internal/metricrouter/_index.md
----
--->
-
 # CC Metric Router
 
-The CCMetric router sits in between the collectors and the sinks and can be used to add and remove tags to/from traversing [CCMessages](https://pkg.go.dev/github.com/ClusterCockpit/cc-lib/ccMessage).
+The CCMetric router sits in between the collectors and the sinks and can be used to add and remove tags to/from traversing [CCMessages](https://pkg.go.dev/github.com/ClusterCockpit/cc-energy-manager@v0.0.0-20240919152819-92a17f2da4f7/pkg/cc-message.
 
 
 # Configuration
 
-**Note**: Use the [message processor configuration](https://github.com/ClusterCockpit/cc-lib/blob/main/messageProcessor/README.md) with option `process_messages`.
+**Note**: Use the [message processor configuration](../../pkg/messageProcessor/README.md) with option `process_messages`.
 
 ```json
 {
@@ -80,7 +69,7 @@ The CCMetric router sits in between the collectors and the sinks and can be used
 
 There are three main options `add_tags`, `delete_tags` and `interval_timestamp`. `add_tags` and `delete_tags` are lists consisting of dicts with `key`, `value` and `if`. The `value` can be omitted in the `delete_tags` part as it only uses the `key` for removal. The `interval_timestamp` setting means that a unique timestamp is applied to all metrics traversing the router during an interval.
 
-**Note**: Use the [message processor configuration](https://github.com/ClusterCockpit/cc-lib/blob/main/messageProcessor/README.md) (option `process_messages`) instead of `add_tags`, `delete_tags`, `drop_metrics`, `drop_metrics_if`, `rename_metrics`, `normalize_units` and `change_unit_prefix`. These options are deprecated and will be removed in future versions. Until then, they are added to the message processor.
+**Note**: Use the [message processor configuration](../../pkg/messageProcessor/README.md) (option `process_messages`) instead of `add_tags`, `delete_tags`, `drop_metrics`, `drop_metrics_if`, `rename_metrics`, `normalize_units` and `change_unit_prefix`. These options are deprecated and will be removed in future versions. Until then, they are added to the message processor.
 
 # Processing order in the router
 
@@ -236,13 +225,13 @@ __deprecated__
 
 
 The cc-metric-collector tries to read the data from the system as it is reported. If available, it tries to read the metric unit from the system as well (e.g. from `/proc/meminfo`). The problem is that, depending on the source, the metric units are named differently. Just think about `byte`, `Byte`, `B`, `bytes`, ...
-The [cc-units](https://github.com/ClusterCockpit/cc-lib/ccUnits) package provides us a normalization option to use the same metric unit name for all metrics. It this option is set to true, all `unit` meta tags are normalized.
+The [cc-units](https://github.com/ClusterCockpit/cc-units) package provides us a normalization option to use the same metric unit name for all metrics. It this option is set to true, all `unit` meta tags are normalized.
 
 ## The `change_unit_prefix` section
 
 __deprecated__
 
-It is often the case that metrics are reported by the system using a rather outdated unit prefix (like `/proc/meminfo` still uses kByte despite current memory sizes are in the GByte range). If you want to change the prefix of a unit, you can do that with the help of [cc-units](https://github.com/ClusterCockpit/cc-lib/ccUnits). The setting works on the metric name and requires the new prefix for the metric. The cc-units package determines the scaling factor.
+It is often the case that metrics are reported by the system using a rather outdated unit prefix (like `/proc/meminfo` still uses kByte despite current memory sizes are in the GByte range). If you want to change the prefix of a unit, you can do that with the help of [cc-units](https://github.com/ClusterCockpit/cc-units). The setting works on the metric name and requires the new prefix for the metric. The cc-units package determines the scaling factor.
 
 # Aggregate metric values of the current interval with the `interval_aggregates` option
 
@@ -274,7 +263,7 @@ The above configuration, collects all metric values for metrics evaluating `if`
 If you are not interested in the input metrics `sub_metric_%d+` at all, you can add the same condition used here to the `drop_metrics_if` section to drop them.
 
 Use cases for `interval_aggregates`:
-- Combine multiple metrics of the a collector to a new one like the [MemstatCollector](../../collectors/memstatMetric.md) does it for `mem_used`:
+- Combine multiple metrics of the a collector to a new one like the [MemstatCollector](../../collectors/memstatMetric.md) does it for `mem_used`)):
 ```json
   {
     "name" : "mem_used",

internal/metricRouter/metricCache.go

@@ -1,19 +1,12 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package metricRouter
 
 import (
 	"sync"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
 
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
 	agg "github.com/ClusterCockpit/cc-metric-collector/internal/metricAggregator"
 	mct "github.com/ClusterCockpit/cc-metric-collector/pkg/multiChanTicker"
 )
@@ -51,7 +44,7 @@ type MetricCache interface {
 }
 
 func (c *metricCache) Init(output chan lp.CCMessage, ticker mct.MultiChanTicker, wg *sync.WaitGroup, numPeriods int) error {
-	var err error
+	var err error = nil
 	c.done = make(chan bool)
 	c.wg = wg
 	c.ticker = ticker
@@ -161,8 +154,8 @@ func (c *metricCache) DeleteAggregation(name string) error {
 // is the current one, index=1 the last interval and so on. Returns and empty array if a wrong index
 // is given (negative index, index larger than configured number of total intervals, ...)
 func (c *metricCache) GetPeriod(index int) (time.Time, time.Time, []lp.CCMessage) {
-	start := time.Now()
-	stop := time.Now()
+	var start time.Time = time.Now()
+	var stop time.Time = time.Now()
 	var metrics []lp.CCMessage
 	if index >= 0 && index < c.numPeriods {
 		pindex := c.curPeriod - index

internal/metricRouter/metricRouter.go

@@ -1,25 +1,17 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package metricRouter
 
 import (
 	"encoding/json"
 	"fmt"
-	"maps"
 	"os"
 	"strings"
 	"sync"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
 
-	lp "github.com/ClusterCockpit/cc-lib/v2/ccMessage"
-	mp "github.com/ClusterCockpit/cc-lib/v2/messageProcessor"
+	lp "github.com/ClusterCockpit/cc-lib/ccMessage"
+	mp "github.com/ClusterCockpit/cc-lib/messageProcessor"
 	agg "github.com/ClusterCockpit/cc-metric-collector/internal/metricAggregator"
 	mct "github.com/ClusterCockpit/cc-metric-collector/pkg/multiChanTicker"
 )
@@ -108,8 +100,10 @@ func (r *metricRouter) Init(ticker mct.MultiChanTicker, wg *sync.WaitGroup, rout
 		cclog.ComponentError("MetricRouter", err.Error())
 		return err
 	}
-	r.maxForward = max(1, r.config.MaxForward)
-
+	r.maxForward = 1
+	if r.config.MaxForward > r.maxForward {
+		r.maxForward = r.config.MaxForward
+	}
 	if r.config.NumCacheIntervals > 0 {
 		r.cache, err = NewCache(r.cache_input, r.ticker, &r.cachewg, r.config.NumCacheIntervals)
 		if err != nil {
@@ -117,74 +111,50 @@ func (r *metricRouter) Init(ticker mct.MultiChanTicker, wg *sync.WaitGroup, rout
 			return err
 		}
 		for _, agg := range r.config.IntervalAgg {
-			err = r.cache.AddAggregation(agg.Name, agg.Function, agg.Condition, agg.Tags, agg.Meta)
-			if err != nil {
-				return fmt.Errorf("MetricCache AddAggregation() failed: %w", err)
-			}
+			r.cache.AddAggregation(agg.Name, agg.Function, agg.Condition, agg.Tags, agg.Meta)
 		}
 	}
 	p, err := mp.NewMessageProcessor()
 	if err != nil {
-		return fmt.Errorf("MessageProcessor NewMessageProcessor() failed: %w", err)
+		return fmt.Errorf("initialization of message processor failed: %v", err.Error())
 	}
 	r.mp = p
 
 	if len(r.config.MessageProcessor) > 0 {
 		err = r.mp.FromConfigJSON(r.config.MessageProcessor)
 		if err != nil {
-			return fmt.Errorf("MessageProcessor FromConfigJSON() failed: %w", err)
+			return fmt.Errorf("failed parsing JSON for message processor: %v", err.Error())
 		}
 	}
 	for _, mname := range r.config.DropMetrics {
-		err = r.mp.AddDropMessagesByName(mname)
-		if err != nil {
-			return fmt.Errorf("MessageProcessor AddDropMessagesByName() failed: %w", err)
-		}
+		r.mp.AddDropMessagesByName(mname)
 	}
 	for _, cond := range r.config.DropMetricsIf {
-		err = r.mp.AddDropMessagesByCondition(cond)
-		if err != nil {
-			return fmt.Errorf("MessageProcessor AddDropMessagesByCondition() failed: %w", err)
-		}
+		r.mp.AddDropMessagesByCondition(cond)
 	}
 	for _, data := range r.config.AddTags {
 		cond := data.Condition
 		if cond == "*" {
 			cond = "true"
 		}
-		err = r.mp.AddAddTagsByCondition(cond, data.Key, data.Value)
-		if err != nil {
-			return fmt.Errorf("MessageProcessor AddAddTagsByCondition() failed: %w", err)
-		}
+		r.mp.AddAddTagsByCondition(cond, data.Key, data.Value)
 	}
 	for _, data := range r.config.DelTags {
 		cond := data.Condition
 		if cond == "*" {
 			cond = "true"
 		}
-		err = r.mp.AddDeleteTagsByCondition(cond, data.Key, data.Value)
-		if err != nil {
-			return fmt.Errorf("MessageProcessor AddDeleteTagsByCondition() failed: %w", err)
-		}
+		r.mp.AddDeleteTagsByCondition(cond, data.Key, data.Value)
 	}
 	for oldname, newname := range r.config.RenameMetrics {
-		err = r.mp.AddRenameMetricByName(oldname, newname)
-		if err != nil {
-			return fmt.Errorf("MessageProcessor AddRenameMetricByName() failed: %w", err)
-		}
+		r.mp.AddRenameMetricByName(oldname, newname)
 	}
 	for metricName, prefix := range r.config.ChangeUnitPrefix {
-		err = r.mp.AddChangeUnitPrefix(fmt.Sprintf("name == '%s'", metricName), prefix)
-		if err != nil {
-			return fmt.Errorf("MessageProcessor AddChangeUnitPrefix() failed: %w", err)
-		}
+		r.mp.AddChangeUnitPrefix(fmt.Sprintf("name == '%s'", metricName), prefix)
 	}
 	r.mp.SetNormalizeUnits(r.config.NormalizeUnits)
 
-	err = r.mp.AddAddTagsByCondition("true", r.config.HostnameTagName, r.hostname)
-	if err != nil {
-		return fmt.Errorf("MessageProcessor AddAddTagsByCondition() failed: %w", err)
-	}
+	r.mp.AddAddTagsByCondition("true", r.config.HostnameTagName, r.hostname)
 
 	// r.config.dropMetrics = make(map[string]bool)
 	// for _, mname := range r.config.DropMetrics {
@@ -193,8 +163,8 @@ func (r *metricRouter) Init(ticker mct.MultiChanTicker, wg *sync.WaitGroup, rout
 	return nil
 }
 
-func getParamMap(point lp.CCMessage) map[string]any {
-	params := make(map[string]any)
+func getParamMap(point lp.CCMessage) map[string]interface{} {
+	params := make(map[string]interface{})
 	params["metric"] = point
 	params["name"] = point.Name()
 	for key, value := range point.Tags() {
@@ -203,7 +173,9 @@ func getParamMap(point lp.CCMessage) map[string]any {
 	for key, value := range point.Meta() {
 		params[key] = value
 	}
-	maps.Copy(params, point.Fields())
+	for key, value := range point.Fields() {
+		params[key] = value
+	}
 	params["timestamp"] = point.Time()
 	return params
 }

pkg/ccTopology/ccTopology.go

@@ -1,10 +1,3 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package ccTopology
 
 import (
@@ -13,11 +6,11 @@ import (
 	"os"
 	"path/filepath"
 	"regexp"
-	"slices"
 	"strconv"
 	"strings"
 
-	cclogger "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
+	cclogger "github.com/ClusterCockpit/cc-lib/ccLogger"
+	"golang.org/x/exp/slices"
 )
 
 const SYSFS_CPUBASE = `/sys/devices/system/cpu`
@@ -80,7 +73,7 @@ func fileToList(path string) []int {
 	// Create list
 	list := make([]int, 0)
 	stringBuffer := strings.TrimSpace(string(buffer))
-	for valueRangeString := range strings.SplitSeq(stringBuffer, ",") {
+	for _, valueRangeString := range strings.Split(stringBuffer, ",") {
 		valueRange := strings.Split(valueRangeString, "-")
 		switch len(valueRange) {
 		case 1:

pkg/hostlist/hostlist.go

@@ -0,0 +1,125 @@
+package hostlist
+
+import (
+	"fmt"
+	"regexp"
+	"sort"
+	"strconv"
+	"strings"
+)
+
+func Expand(in string) (result []string, err error) {
+
+	// Create ranges regular expression
+	reStNumber := "[[:digit:]]+"
+	reStRange := reStNumber + "-" + reStNumber
+	reStOptionalNumberOrRange := "(" + reStNumber + ",|" + reStRange + ",)*"
+	reStNumberOrRange := "(" + reStNumber + "|" + reStRange + ")"
+	reStBraceLeft := "[[]"
+	reStBraceRight := "[]]"
+	reStRanges := reStBraceLeft +
+		reStOptionalNumberOrRange +
+		reStNumberOrRange +
+		reStBraceRight
+	reRanges := regexp.MustCompile(reStRanges)
+
+	// Create host list regular expression
+	reStDNSChars := "[a-zA-Z0-9-]+"
+	reStPrefix := "^(" + reStDNSChars + ")"
+	reStOptionalSuffix := "(" + reStDNSChars + ")?"
+	re := regexp.MustCompile(reStPrefix + "([[][0-9,-]+[]])?" + reStOptionalSuffix)
+
+	// Remove all delimiters from the input
+	in = strings.TrimLeft(in, ", ")
+
+	for len(in) > 0 {
+		if v := re.FindStringSubmatch(in); v != nil {
+
+			// Remove matched part from the input
+			lenPrefix := len(v[0])
+			in = in[lenPrefix:]
+
+			// Remove all delimiters from the input
+			in = strings.TrimLeft(in, ", ")
+
+			// matched prefix, range and suffix
+			hlPrefix := v[1]
+			hlRanges := v[2]
+			hlSuffix := v[3]
+
+			// Single node without ranges
+			if hlRanges == "" {
+				result = append(result, hlPrefix)
+				continue
+			}
+
+			// Node with ranges
+			if v := reRanges.FindStringSubmatch(hlRanges); v != nil {
+
+				// Remove braces
+				hlRanges = hlRanges[1 : len(hlRanges)-1]
+
+				// Split host ranges at ,
+				for _, hlRange := range strings.Split(hlRanges, ",") {
+
+					// Split host range at -
+					RangeStartEnd := strings.Split(hlRange, "-")
+
+					// Range is only a single number
+					if len(RangeStartEnd) == 1 {
+						result = append(result, hlPrefix+RangeStartEnd[0]+hlSuffix)
+						continue
+					}
+
+					// Range has a start and an end
+					widthRangeStart := len(RangeStartEnd[0])
+					widthRangeEnd := len(RangeStartEnd[1])
+					iStart, _ := strconv.ParseUint(RangeStartEnd[0], 10, 64)
+					iEnd, _ := strconv.ParseUint(RangeStartEnd[1], 10, 64)
+					if iStart > iEnd {
+						return nil, fmt.Errorf("single range start is greater than end: %s", hlRange)
+					}
+
+					// Create print format string for range numbers
+					doPadding := widthRangeStart == widthRangeEnd
+					widthPadding := widthRangeStart
+					var formatString string
+					if doPadding {
+						formatString = "%0" + fmt.Sprint(widthPadding) + "d"
+					} else {
+						formatString = "%d"
+					}
+					formatString = hlPrefix + formatString + hlSuffix
+
+					// Add nodes from this range
+					for i := iStart; i <= iEnd; i++ {
+						result = append(result, fmt.Sprintf(formatString, i))
+					}
+				}
+			} else {
+				return nil, fmt.Errorf("not at hostlist range: %s", hlRanges)
+			}
+		} else {
+			return nil, fmt.Errorf("not a hostlist: %s", in)
+		}
+	}
+
+	if result != nil {
+		// sort
+		sort.Strings(result)
+
+		// uniq
+		previous := 1
+		for current := 1; current < len(result); current++ {
+			if result[current-1] != result[current] {
+				if previous != current {
+					result[previous] = result[current]
+				}
+				previous++
+			}
+		}
+		result = result[:previous]
+	}
+
+	return
+}

pkg/hostlist/hostlist_test.go

@@ -0,0 +1,126 @@
+package hostlist
+
+import (
+	"testing"
+)
+
+func TestExpand(t *testing.T) {
+
+	// Compare two slices of strings
+	equal := func(a, b []string) bool {
+		if len(a) != len(b) {
+			return false
+		}
+		for i, v := range a {
+			if v != b[i] {
+				return false
+			}
+		}
+		return true
+	}
+
+	type testDefinition struct {
+		input          string
+		resultExpected []string
+		errorExpected  bool
+	}
+
+	expandTests := []testDefinition{
+		{
+			// Single node
+			input:          "n1",
+			resultExpected: []string{"n1"},
+			errorExpected:  false,
+		},
+		{
+			// Single node, duplicated
+			input:          "n1,n1",
+			resultExpected: []string{"n1"},
+			errorExpected:  false,
+		},
+		{
+			// Single node with padding
+			input:          "n[01]",
+			resultExpected: []string{"n01"},
+			errorExpected:  false,
+		},
+		{
+			// Single node with suffix
+			input:          "n[01]-p",
+			resultExpected: []string{"n01-p"},
+			errorExpected:  false,
+		},
+		{
+			// Multiple nodes with a single range
+			input:          "n[1-2]",
+			resultExpected: []string{"n1", "n2"},
+			errorExpected:  false,
+		},
+		{
+			// Multiple nodes with a single range and a single index
+			input:          "n[1-2,3]",
+			resultExpected: []string{"n1", "n2", "n3"},
+			errorExpected:  false,
+		},
+		{
+			// Multiple nodes with different prefixes
+			input:          "n[1-2],m[1,2]",
+			resultExpected: []string{"m1", "m2", "n1", "n2"},
+			errorExpected:  false,
+		},
+		{
+			// Multiple nodes with different suffixes
+			input:          "n[1-2]-p,n[1,2]-q",
+			resultExpected: []string{"n1-p", "n1-q", "n2-p", "n2-q"},
+			errorExpected:  false,
+		},
+		{
+			// Multiple nodes with and without node ranges
+			input:          " n09, n[01-04,06-07,09] , , n10,n04",
+			resultExpected: []string{"n01", "n02", "n03", "n04", "n06", "n07", "n09", "n10"},
+			errorExpected:  false,
+		},
+		{
+			// Forbidden DNS character
+			input:          "n@",
+			resultExpected: []string{},
+			errorExpected:  true,
+		},
+		{
+			// Forbidden range
+			input:          "n[1-2-2,3]",
+			resultExpected: []string{},
+			errorExpected:  true,
+		},
+		{
+			// Forbidden range limits
+			input:          "n[2-1]",
+			resultExpected: []string{},
+			errorExpected:  true,
+		},
+	}
+
+	for _, expandTest := range expandTests {
+		result, err := Expand(expandTest.input)
+
+		hasError := err != nil
+		if hasError != expandTest.errorExpected && hasError {
+			t.Errorf("Expand('%s') failed: unexpected error '%v'",
+				expandTest.input, err)
+			continue
+		}
+		if hasError != expandTest.errorExpected && !hasError {
+			t.Errorf("Expand('%s') did not fail as expected: got result '%+v'",
+				expandTest.input, result)
+			continue
+		}
+		if !hasError && !equal(result, expandTest.resultExpected) {
+			t.Errorf("Expand('%s') failed: got result '%+v', expected result '%v'",
+				expandTest.input, result, expandTest.resultExpected)
+			continue
+		}
+
+		t.Logf("Checked hostlist.Expand('%s'): result = '%+v', err = '%v'",
+			expandTest.input, result, err)
+	}
+}

pkg/multiChanTicker/README.md

@@ -1,14 +1,3 @@
-<!--
----
-title: Multi-channel Ticker
-description: Timer ticker that sends out the tick to multiple channels
-categories: [cc-metric-collector]
-tags: ['Developer']
-weight: 1
-hugo_path: docs/reference/cc-metric-collector/pkg/multichanticker/_index.md
----
--->
-
 # MultiChanTicker
 
 The idea of this ticker is to multiply the output channels. The original Golang `time.Ticker` provides only a single output channel, so the signal can only be received by a single other class. This ticker allows to add multiple channels which get all notified about the time tick.

pkg/multiChanTicker/multiChanTicker.go

@@ -1,16 +1,9 @@
-// Copyright (C) NHR@FAU, University Erlangen-Nuremberg.
-// All rights reserved. This file is part of cc-lib.
-// Use of this source code is governed by a MIT-style
-// license that can be found in the LICENSE file.
-// additional authors:
-// Holger Obermaier (NHR@KIT)
-
 package multiChanTicker
 
 import (
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-lib/v2/ccLogger"
+	cclog "github.com/ClusterCockpit/cc-lib/ccLogger"
 )
 
 type multiChanTicker struct {

scripts/cc-metric-collector.deb.control

@@ -1,6 +1,4 @@
 Package: cc-metric-collector
-Section: misc
-Priority: optional
 Version: {VERSION}
 Installed-Size: {INSTALLED_SIZE}
 Architecture: {ARCH}

scripts/cc-metric-collector.spec

@@ -30,11 +30,11 @@ make
 
 %install
 install -Dpm 0750 %{name} %{buildroot}%{_bindir}/%{name}
-install -Dpm 0600 example-configs/config.json %{buildroot}%{_sysconfdir}/%{name}/%{name}.json
-install -Dpm 0600 example-configs/collectors.json %{buildroot}%{_sysconfdir}/%{name}/collectors.json
-install -Dpm 0600 example-configs/sinks.json %{buildroot}%{_sysconfdir}/%{name}/sinks.json
-install -Dpm 0600 example-configs/receivers.json %{buildroot}%{_sysconfdir}/%{name}/receivers.json
-install -Dpm 0600 example-configs/router.json %{buildroot}%{_sysconfdir}/%{name}/router.json
+install -Dpm 0600 config.json %{buildroot}%{_sysconfdir}/%{name}/%{name}.json
+install -Dpm 0600 collectors.json %{buildroot}%{_sysconfdir}/%{name}/collectors.json
+install -Dpm 0600 sinks.json %{buildroot}%{_sysconfdir}/%{name}/sinks.json
+install -Dpm 0600 receivers.json %{buildroot}%{_sysconfdir}/%{name}/receivers.json
+install -Dpm 0600 router.json %{buildroot}%{_sysconfdir}/%{name}/router.json
 install -Dpm 0644 scripts/%{name}.service %{buildroot}%{_unitdir}/%{name}.service
 install -Dpm 0600 scripts/%{name}.config %{buildroot}%{_sysconfdir}/default/%{name}
 install -Dpm 0644 scripts/%{name}.sysusers %{buildroot}%{_sysusersdir}/%{name}.conf

scripts/likwid_perfgroup_to_cc_config.py

@@ -44,8 +44,6 @@ def group_to_json(groupfile):
                 scope = "socket"
             if "PWR" in calc:
                 scope = "socket"
-            if "UMC" in calc:
-                scope = "socket"
 
             m = {"name" : metric, "calc": calc, "type" : scope, "publish" : True}
             metrics.append(m)