Merge latest commits from develop to main branch (#114)

* Add cpu_used (all-cpu_idle) to CpustatCollector

* Update cc-metric-collector.init

* Allow selection of timestamp precision in HttpSink

* Add comment about precision requirement for cc-metric-store

* Fix for API changes in gofish@v0.15.0

* Update requirements to latest version

* Read sensors through redfish

* Update golang toolchain to 1.21

* Remove stray error check

* Update main config in configuration.md

* Update Release action to use golang 1.22 stable release, no golang RPMs anymore

* Update runonce action to use golang 1.22 stable release, no golang RPMs anymore

* Update README.md

Use right JSON type in configuration

* Update sink's README

* Test whether ipmitool or ipmi-sensors can be executed without errors

---------

Co-authored-by: Holger Obermaier <Holger.Obermaier@kit.edu>
Co-authored-by: Holger Obermaier <40787752+ho-ob@users.noreply.github.com>

.github/workflows/runonce.yml

@@ -10,32 +10,6 @@ on:
 
 jobs:
 
-  #
-  # Job build-1-20
-  # Build on latest Ubuntu using golang version 1.20
-  #
-  build-1-20:
-    runs-on: ubuntu-latest
-    steps:
-    # See: https://github.com/marketplace/actions/checkout
-    # Checkout git repository and submodules
-    - name: Checkout
-      uses: actions/checkout@v4
-      with:
-        submodules: recursive
-
-    # See: https://github.com/marketplace/actions/setup-go-environment
-    - name: Setup Golang
-      uses: actions/setup-go@v4
-      with:
-        go-version: '1.20'
-
-    - name: Build MetricCollector
-      run: make
-
-    - name: Run MetricCollector once
-      run: ./cc-metric-collector --once --config .github/ci-config.json
-
   #
   # Job build-1-21
   # Build on latest Ubuntu using golang version 1.21
@@ -62,6 +36,32 @@ jobs:
     - name: Run MetricCollector once
       run: ./cc-metric-collector --once --config .github/ci-config.json
 
+  #
+  # Job build-1-22
+  # Build on latest Ubuntu using golang version 1.22
+  #
+  build-1-22:
+    runs-on: ubuntu-latest
+    steps:
+    # See: https://github.com/marketplace/actions/checkout
+    # Checkout git repository and submodules
+    - name: Checkout
+      uses: actions/checkout@v4
+      with:
+        submodules: recursive
+
+    # See: https://github.com/marketplace/actions/setup-go-environment
+    - name: Setup Golang
+      uses: actions/setup-go@v4
+      with:
+        go-version: '1.22'
+
+    - name: Build MetricCollector
+      run: make
+
+    - name: Run MetricCollector once
+      run: ./cc-metric-collector --once --config .github/ci-config.json
+
   #
   # Build on AlmaLinux 8 using go-toolset
   #
@@ -98,6 +98,7 @@ jobs:
       id: rpmbuild
       run: |
           git config --global --add safe.directory /__w/cc-metric-collector/cc-metric-collector
+          export PATH=/usr/local/go/bin:/usr/local/go/pkg/tool/linux_amd64:$PATH
           make RPM
 
   #
@@ -133,6 +134,7 @@ jobs:
       id: rpmbuild
       run: |
           git config --global --add safe.directory /__w/cc-metric-collector/cc-metric-collector
+          export PATH=/usr/local/go/bin:/usr/local/go/pkg/tool/linux_amd64:$PATH
           make RPM
 
   #
@@ -157,11 +159,13 @@ jobs:
         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@v4
       with:
         go-version: '1.21'
+
     - name: DEB build MetricCollector
       id: dpkg-build
       run: |