Redo fix for NvidiaCollector and MiG. Got lost somehow

.github/workflows/Release.yml

@@ -27,9 +27,7 @@ jobs:
 
     # 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
+      run: dnf --assumeyes group install "Development Tools" "RPM Development Tools"
 
     # Checkout git repository and submodules
     # fetch-depth must be 0 to use git describe
@@ -43,11 +41,9 @@ jobs:
     # Use dnf to install build dependencies
     - name: Install build dependencies
       run: |
-          wget -q http://mirror.centos.org/centos/8-stream/AppStream/x86_64/os/Packages/golang-1.18.2-1.module_el8.7.0+1173+5d37c0fd.x86_64.rpm \
-                  http://mirror.centos.org/centos/8-stream/AppStream/x86_64/os/Packages/golang-bin-1.18.2-1.module_el8.7.0+1173+5d37c0fd.x86_64.rpm \
-                  http://mirror.centos.org/centos/8-stream/AppStream/x86_64/os/Packages/golang-src-1.18.2-1.module_el8.7.0+1173+5d37c0fd.noarch.rpm \
-                  http://mirror.centos.org/centos/8-stream/AppStream/x86_64/os/Packages/go-toolset-1.18.2-1.module_el8.7.0+1173+5d37c0fd.x86_64.rpm
-          rpm -i go*.rpm
+        dnf --assumeyes install 'dnf-command(builddep)'
+        dnf --assumeyes install which
+        dnf --assumeyes builddep scripts/cc-metric-collector.spec
 
     - name: RPM build MetricCollector
       id: rpmbuild
@@ -97,7 +93,7 @@ jobs:
 
     # Use dnf to install development packages
     - name: Install development packages
-      run: dnf --assumeyes --disableplugin=subscription-manager install rpm-build go-srpm-macros rpm-build-libs rpm-libs gcc make python38 git wget openssl-devel diffutils delve which
+      run: dnf --assumeyes --disableplugin=subscription-manager install rpm-build go-srpm-macros rpm-build-libs rpm-libs gcc make python38 git
 
     # Checkout git repository and submodules
     # fetch-depth must be 0 to use git describe
@@ -110,12 +106,7 @@ jobs:
 
     # Use dnf to install build dependencies
     - name: Install build dependencies
-      run: |
-          wget -q http://mirror.centos.org/centos/8-stream/AppStream/x86_64/os/Packages/golang-1.18.2-1.module_el8.7.0+1173+5d37c0fd.x86_64.rpm \
-                  http://mirror.centos.org/centos/8-stream/AppStream/x86_64/os/Packages/golang-bin-1.18.2-1.module_el8.7.0+1173+5d37c0fd.x86_64.rpm \
-                  http://mirror.centos.org/centos/8-stream/AppStream/x86_64/os/Packages/golang-src-1.18.2-1.module_el8.7.0+1173+5d37c0fd.noarch.rpm \
-                  http://mirror.centos.org/centos/8-stream/AppStream/x86_64/os/Packages/go-toolset-1.18.2-1.module_el8.7.0+1173+5d37c0fd.x86_64.rpm
-          rpm -i go*.rpm
+      run: dnf --assumeyes --disableplugin=subscription-manager builddep scripts/cc-metric-collector.spec
 
     - name: RPM build MetricCollector
       id: rpmbuild
@@ -133,63 +124,13 @@ jobs:
         name: cc-metric-collector SRPM for UBI 8
         path: ${{ steps.rpmbuild.outputs.SRPM }}
 
-  #
-  # Build on Ubuntu 20.04 using official go package
-  #
-  Ubuntu-focal-build:
-    runs-on: ubuntu-latest
-    container: ubuntu:20.04
-    # The job outputs link to the outputs of the 'debrename' step
-    # Only job outputs can be used in child jobs
-    outputs:
-      deb : ${{steps.debrename.outputs.DEB}}
-    steps:
-    # Use apt to install development packages
-    - name: Install development packages
-      run: |
-          apt update && apt --assume-yes upgrade
-          apt --assume-yes install build-essential sed git wget bash
-    # Checkout git repository and submodules
-    # fetch-depth must be 0 to use git describe
-    # See: https://github.com/marketplace/actions/checkout
-    - name: Checkout
-      uses: actions/checkout@v2
-      with:
-        submodules: recursive
-        fetch-depth: 0
-    # Use official golang package
-    - name: Install Golang
-      run: |
-          wget -q https://go.dev/dl/go1.19.1.linux-amd64.tar.gz
-          tar -C /usr/local -xzf go1.19.1.linux-amd64.tar.gz
-          export PATH=/usr/local/go/bin:/usr/local/go/pkg/tool/linux_amd64:$PATH
-          go version
-    - name: DEB build MetricCollector
-      id: dpkg-build
-      run: |
-          export PATH=/usr/local/go/bin:/usr/local/go/pkg/tool/linux_amd64:$PATH
-          make DEB
-    - name: Rename DEB (add '_ubuntu20.04')
-      id: debrename
-      run: |
-        OLD_DEB_NAME=$(echo "${{steps.dpkg-build.outputs.DEB}}" | rev | cut -d '.' -f 2- | rev)
-        NEW_DEB_FILE="${OLD_DEB_NAME}_ubuntu20.04.deb"
-        mv "${{steps.dpkg-build.outputs.DEB}}" "${NEW_DEB_FILE}"
-        echo "::set-output name=DEB::${NEW_DEB_FILE}"
-    # See: https://github.com/actions/upload-artifact
-    - name: Save DEB as artifact
-      uses: actions/upload-artifact@v2
-      with:
-        name: cc-metric-collector DEB for Ubuntu 20.04
-        path: ${{ steps.debrename.outputs.DEB }}
-
   #
   # Create release with fresh RPMs
   #
   Release:
     runs-on: ubuntu-latest
     # We need the RPMs, so add dependency
-    needs: [AlmaLinux-RPM-build, UBI-8-RPM-build, Ubuntu-focal-build]
+    needs: [AlmaLinux-RPM-build, UBI-8-RPM-build]
 
     steps:
     # See: https://github.com/actions/download-artifact
@@ -211,11 +152,6 @@ jobs:
       with:
         name: cc-metric-collector SRPM for UBI 8
 
-    - name: Download Ubuntu 20.04 DEB
-      uses: actions/download-artifact@v2
-      with:
-        name: cc-metric-collector DEB for Ubuntu 20.04
-
     # The download actions do not publish the name of the downloaded file,
     # so we re-use the job outputs of the parent jobs. The files are all
     # downloaded to the current folder.
@@ -229,17 +165,14 @@ jobs:
         ALMA_85_SRPM=$(basename "${{ needs.AlmaLinux-RPM-build.outputs.srpm}}")
         UBI_8_RPM=$(basename "${{ needs.UBI-8-RPM-build.outputs.rpm}}")
         UBI_8_SRPM=$(basename "${{ needs.UBI-8-RPM-build.outputs.srpm}}")
-        U_2004_DEB=$(basename "${{ needs.Ubuntu-focal-build.outputs.deb}}")
         echo "ALMA_85_RPM::${ALMA_85_RPM}"
         echo "ALMA_85_SRPM::${ALMA_85_SRPM}"
         echo "UBI_8_RPM::${UBI_8_RPM}"
         echo "UBI_8_SRPM::${UBI_8_SRPM}"
-        echo "U_2004_DEB::${U_2004_DEB}"
         echo "::set-output name=ALMA_85_RPM::${ALMA_85_RPM}"
         echo "::set-output name=ALMA_85_SRPM::${ALMA_85_SRPM}"
         echo "::set-output name=UBI_8_RPM::${UBI_8_RPM}"
         echo "::set-output name=UBI_8_SRPM::${UBI_8_SRPM}"
-        echo "::set-output name=U_2004_DEB::${U_2004_DEB}"
 
     # See: https://github.com/softprops/action-gh-release
     - name: Release
@@ -252,4 +185,3 @@ jobs:
          ${{ steps.files.outputs.ALMA_85_SRPM }}
          ${{ steps.files.outputs.UBI_8_RPM }}
          ${{ steps.files.outputs.UBI_8_SRPM }}
-         ${{ steps.files.outputs.U_2004_DEB }}

.github/workflows/runonce.yml

@@ -34,10 +34,10 @@ jobs:
       run: ./cc-metric-collector --once --config .github/ci-config.json
 
   #
-  # Job build-1-19
-  # Build on latest Ubuntu using golang version 1.19
+  # Job build-1-17
+  # Build on latest Ubuntu using golang version 1.17 
   #
-  build-1-19:
+  build-1-17:
     runs-on: ubuntu-latest
     steps:
     # See: https://github.com/marketplace/actions/checkout
@@ -51,7 +51,33 @@ jobs:
     - name: Setup Golang
       uses: actions/setup-go@v3
       with:
-        go-version: '1.19'
+        go-version: '1.17.7'
+
+    - name: Build MetricCollector
+      run: make
+
+    - name: Run MetricCollector once
+      run: ./cc-metric-collector --once --config .github/ci-config.json
+
+  #
+  # Job build-1-16
+  # Build on latest Ubuntu using golang version 1.16
+  #
+  build-1-16:
+    runs-on: ubuntu-latest
+    steps:
+    # See: https://github.com/marketplace/actions/checkout
+    # Checkout git repository and submodules
+    - name: Checkout
+      uses: actions/checkout@v2
+      with:
+        submodules: recursive
+
+    # See: https://github.com/marketplace/actions/setup-go-environment
+    - name: Setup Golang
+      uses: actions/setup-go@v3
+      with:
+        go-version: '1.16.7' # The version AlmaLinux 8.5 uses
 
     - name: Build MetricCollector
       run: make

Makefile

@@ -23,6 +23,13 @@ GOBIN = $(shell which go)
 all: $(APP)
 
 $(APP): $(GOSRC)
+	if [ "$(shell $(GOBIN) version | cut -d' ' -f 3 | cut -d '.' -f1-2)" = "go1.16" ]; then \
+		echo "1.16"; \
+		cp go.mod.1.16 go.mod; \
+	else \
+		echo "1.17+"; \
+		cp go.mod.1.17+ go.mod; \
+	fi
 	make -C collectors
 	$(GOBIN) get
 	$(GOBIN) build -o $(APP) $(GOSRC_APP)

README.md

@@ -1,6 +1,5 @@
 # cc-metric-collector
-
-A node agent for measuring, processing and forwarding node level metrics. It is part of the [ClusterCockpit ecosystem](./docs/introduction.md).
+A node agent for measuring, processing and forwarding node level metrics. It is part of the ClusterCockpit ecosystem.
 
 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).
 
@@ -11,7 +10,7 @@ The receiver runs as a go routine side-by-side with the timer loop and asynchron
 # Configuration
 
 Configuration is implemented using a single json document that is distributed over network and may be persisted as file.
-Supported metrics are documented [here](https://github.com/ClusterCockpit/cc-specifications/blob/master/interfaces/lineprotocol/README.md).
+Supported metrics are documented [here](https://github.com/ClusterCockpit/cc-specifications/blob/master/metrics/lineprotocol_alternative.md).
 
 There is a main configuration file with basic settings that point to the other configuration files for the different components.
 
@@ -21,20 +20,20 @@ There is a main configuration file with basic settings that point to the other c
   "collectors" : "collectors.json",
   "receivers" : "receivers.json",
   "router" : "router.json",
-  "interval": "10s",
-  "duration": "1s"
+  "interval": 10,
+  "duration": 1
 }
 ```
 
-The `interval` defines how often the metrics should be read and send to the sink. The `duration` tells collectors how long one measurement has to take. This is important for some collectors, like the `likwid` collector. For more information, see [here](./docs/configuration.md).
+The `interval` defines how often the metrics should be read and send to the sink. The `duration` tells collectors how long one measurement has to take. This is important for some collectors, like the `likwid` collector.
 
 See the component READMEs for their configuration:
-
 * [`collectors`](./collectors/README.md)
 * [`sinks`](./sinks/README.md)
 * [`receivers`](./receivers/README.md)
 * [`router`](./internal/metricRouter/README.md)
 
+
 # Installation
 
 ```
@@ -44,7 +43,6 @@ $ go get (requires at least golang 1.16)
 $ make
 ```
 
-For more information, see [here](./docs/building.md).
 
 # Running
 
@@ -58,7 +56,6 @@ Usage of metric-collector:
   -once
     	Run all collectors only once
 ```
-
 # Scenarios
 
 The metric collector was designed with flexibility in mind, so it can be used in many scenarios. Here are a few:
@@ -96,12 +93,11 @@ flowchart TD
 ```
 
 # Contributing
-
 The ClusterCockpit ecosystem is designed to be used by different HPC computing centers. Since configurations and setups differ between the centers, the centers likely have to put some work into the cc-metric-collector to gather all desired metrics.
 
 You are free to open an issue to request a collector but we would also be happy about PRs.
 
-# Contact
+# Contact 
 
 * [Matrix.org ClusterCockpit General chat](https://matrix.to/#/#clustercockpit-dev:matrix.org)
 * [Matrix.org ClusterCockpit Development chat](https://matrix.to/#/#clustercockpit:matrix.org)

cc-metric-collector.go

@@ -15,10 +15,10 @@ import (
 	"sync"
 	"time"
 
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 	mr "github.com/ClusterCockpit/cc-metric-collector/internal/metricRouter"
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
-	mct "github.com/ClusterCockpit/cc-metric-collector/pkg/multiChanTicker"
+	mct "github.com/ClusterCockpit/cc-metric-collector/internal/multiChanTicker"
 )
 
 type CentralConfigFile struct {

collectors.json

@@ -12,7 +12,6 @@
             "proc_total"
         ]
     },
-    "memstat": {},
     "netstat": {
         "include_devices": [
             "enp5s0"
@@ -34,8 +33,5 @@
                 "type-id": "1"
             }
         }
-    },
-    "topprocs": {
-        "num_procs": 5
     }
 }

collectors/README.md

@@ -35,7 +35,7 @@ In contrast to the configuration files for sinks and receivers, the collectors c
 * [`nfs4stat`](./nfs4Metric.md)
 * [`cpufreq`](./cpufreqMetric.md)
 * [`cpufreq_cpuinfo`](./cpufreqCpuinfoMetric.md)
-* [`numastats`](./numastatsMetric.md)
+* [`numastat`](./numastatMetric.md)
 * [`gpfs`](./gpfsMetric.md)
 * [`beegfs_meta`](./beegfsmetaMetric.md)
 * [`beegfs_storage`](./beegfsstorageMetric.md)

collectors/beegfsmetaMetric.go

@@ -5,7 +5,7 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
-	"io"
+	"io/ioutil"
 	"os"
 	"os/exec"
 	"os/user"
@@ -14,8 +14,8 @@ import (
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 const DEFAULT_BEEGFS_CMD = "beegfs-ctl"
@@ -115,7 +115,7 @@ func (m *BeegfsMetaCollector) Read(interval time.Duration, output chan lp.CCMetr
 		return
 	}
 	//get mounpoint
-	buffer, _ := os.ReadFile(string("/proc/mounts"))
+	buffer, _ := ioutil.ReadFile(string("/proc/mounts"))
 	mounts := strings.Split(string(buffer), "\n")
 	var mountpoints []string
 	for _, line := range mounts {
@@ -157,9 +157,9 @@ func (m *BeegfsMetaCollector) Read(interval time.Duration, output chan lp.CCMetr
 		if err != nil {
 			fmt.Fprintf(os.Stderr, "BeegfsMetaCollector.Read(): Failed to execute command \"%s\": %s\n", cmd.String(), err.Error())
 			fmt.Fprintf(os.Stderr, "BeegfsMetaCollector.Read(): command exit code: \"%d\"\n", cmd.ProcessState.ExitCode())
-			data, _ := io.ReadAll(cmdStderr)
+			data, _ := ioutil.ReadAll(cmdStderr)
 			fmt.Fprintf(os.Stderr, "BeegfsMetaCollector.Read(): command stderr: \"%s\"\n", string(data))
-			data, _ = io.ReadAll(cmdStdout)
+			data, _ = ioutil.ReadAll(cmdStdout)
 			fmt.Fprintf(os.Stderr, "BeegfsMetaCollector.Read(): command stdout: \"%s\"\n", string(data))
 			return
 		}

collectors/beegfsstorageMetric.go

@@ -5,7 +5,7 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
-	"io"
+	"io/ioutil"
 	"os"
 	"os/exec"
 	"os/user"
@@ -14,8 +14,8 @@ import (
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 // Struct for the collector-specific JSON config
@@ -108,7 +108,7 @@ func (m *BeegfsStorageCollector) Read(interval time.Duration, output chan lp.CCM
 		return
 	}
 	//get mounpoint
-	buffer, _ := os.ReadFile(string("/proc/mounts"))
+	buffer, _ := ioutil.ReadFile(string("/proc/mounts"))
 	mounts := strings.Split(string(buffer), "\n")
 	var mountpoints []string
 	for _, line := range mounts {
@@ -149,9 +149,9 @@ func (m *BeegfsStorageCollector) Read(interval time.Duration, output chan lp.CCM
 		if err != nil {
 			fmt.Fprintf(os.Stderr, "BeegfsStorageCollector.Read(): Failed to execute command \"%s\": %s\n", cmd.String(), err.Error())
 			fmt.Fprintf(os.Stderr, "BeegfsStorageCollector.Read(): command exit code: \"%d\"\n", cmd.ProcessState.ExitCode())
-			data, _ := io.ReadAll(cmdStderr)
+			data, _ := ioutil.ReadAll(cmdStderr)
 			fmt.Fprintf(os.Stderr, "BeegfsStorageCollector.Read(): command stderr: \"%s\"\n", string(data))
-			data, _ = io.ReadAll(cmdStdout)
+			data, _ = ioutil.ReadAll(cmdStdout)
 			fmt.Fprintf(os.Stderr, "BeegfsStorageCollector.Read(): command stdout: \"%s\"\n", string(data))
 			return
 		}

collectors/collectorManager.go

@@ -6,9 +6,9 @@ import (
 	"sync"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
-	mct "github.com/ClusterCockpit/cc-metric-collector/pkg/multiChanTicker"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
+	mct "github.com/ClusterCockpit/cc-metric-collector/internal/multiChanTicker"
 )
 
 // Map of all available metric collectors
@@ -20,7 +20,6 @@ var AvailableCollectors = map[string]MetricCollector{
 	"netstat":         new(NetstatCollector),
 	"ibstat":          new(InfinibandCollector),
 	"lustrestat":      new(LustreCollector),
-	"lustre_jobstat":  new(LustreJobstatCollector),
 	"cpustat":         new(CpustatCollector),
 	"topprocs":        new(TopProcsCollector),
 	"nvidia":          new(NvidiaCollector),
@@ -38,7 +37,6 @@ var AvailableCollectors = map[string]MetricCollector{
 	"beegfs_meta":     new(BeegfsMetaCollector),
 	"beegfs_storage":  new(BeegfsStorageCollector),
 	"rocm_smi":        new(RocmSmiCollector),
-	"schedstat":       new(SchedstatCollector),
 }
 
 // Metric collector manager data structure

collectors/cpufreqCpuinfoMetric.go

@@ -10,8 +10,8 @@ import (
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 //

collectors/cpufreqMetric.go

@@ -3,14 +3,14 @@ package collectors
 import (
 	"encoding/json"
 	"fmt"
-	"os"
+	"io/ioutil"
 	"path/filepath"
 	"strconv"
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 	"golang.org/x/sys/unix"
 )
 
@@ -63,7 +63,7 @@ func (m *CPUFreqCollector) Init(config json.RawMessage) error {
 	m.meta = map[string]string{
 		"source": m.name,
 		"group":  "CPU",
-		"unit":   "Hz",
+		"unit":   "MHz",
 	}
 
 	// Loop for all CPU directories
@@ -88,7 +88,7 @@ func (m *CPUFreqCollector) Init(config json.RawMessage) error {
 
 		// Read package ID
 		physicalPackageIDFile := filepath.Join(cpuDir, "topology", "physical_package_id")
-		line, err := os.ReadFile(physicalPackageIDFile)
+		line, err := ioutil.ReadFile(physicalPackageIDFile)
 		if err != nil {
 			return fmt.Errorf("unable to read physical package ID from file '%s': %v", physicalPackageIDFile, err)
 		}
@@ -100,7 +100,7 @@ func (m *CPUFreqCollector) Init(config json.RawMessage) error {
 
 		// Read core ID
 		coreIDFile := filepath.Join(cpuDir, "topology", "core_id")
-		line, err = os.ReadFile(coreIDFile)
+		line, err = ioutil.ReadFile(coreIDFile)
 		if err != nil {
 			return fmt.Errorf("unable to read core ID from file '%s': %v", coreIDFile, err)
 		}
@@ -188,7 +188,7 @@ func (m *CPUFreqCollector) Read(interval time.Duration, output chan lp.CCMetric)
 		}
 
 		// Read current frequency
-		line, err := os.ReadFile(t.scalingCurFreqFile)
+		line, err := ioutil.ReadFile(t.scalingCurFreqFile)
 		if err != nil {
 			cclog.ComponentError(
 				m.name,

collectors/cpustatMetric.go

@@ -9,9 +9,8 @@ import (
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
-	sysconf "github.com/tklauser/go-sysconf"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 const CPUSTATFILE = `/proc/stat`
@@ -22,12 +21,10 @@ type CpustatCollectorConfig struct {
 
 type CpustatCollector struct {
 	metricCollector
-	config        CpustatCollectorConfig
-	lastTimestamp time.Time // Store time stamp of last tick to derive values
-	matches       map[string]int
-	cputags       map[string]map[string]string
-	nodetags      map[string]string
-	olddata       map[string]map[string]int64
+	config   CpustatCollectorConfig
+	matches  map[string]int
+	cputags  map[string]map[string]string
+	nodetags map[string]string
 }
 
 func (m *CpustatCollector) Init(config json.RawMessage) error {
@@ -79,48 +76,36 @@ func (m *CpustatCollector) Init(config json.RawMessage) error {
 	// 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)
 	for scanner.Scan() {
 		line := scanner.Text()
 		linefields := strings.Fields(line)
-		if strings.Compare(linefields[0], "cpu") == 0 {
-			m.olddata["cpu"] = make(map[string]int64)
-			for k, v := range m.matches {
-				m.olddata["cpu"][k], _ = strconv.ParseInt(linefields[v], 0, 64)
-			}
-		} else if strings.HasPrefix(linefields[0], "cpu") && strings.Compare(linefields[0], "cpu") != 0 {
+		if strings.HasPrefix(linefields[0], "cpu") && strings.Compare(linefields[0], "cpu") != 0 {
 			cpustr := strings.TrimLeft(linefields[0], "cpu")
 			cpu, _ := strconv.Atoi(cpustr)
 			m.cputags[linefields[0]] = map[string]string{"type": "hwthread", "type-id": fmt.Sprintf("%d", cpu)}
-			m.olddata[linefields[0]] = make(map[string]int64)
-			for k, v := range m.matches {
-				m.olddata[linefields[0]][k], _ = strconv.ParseInt(linefields[v], 0, 64)
-			}
 			num_cpus++
 		}
 	}
-	m.lastTimestamp = time.Now()
 	m.init = true
 	return nil
 }
 
-func (m *CpustatCollector) parseStatLine(linefields []string, tags map[string]string, output chan lp.CCMetric, now time.Time, tsdelta time.Duration) {
+func (m *CpustatCollector) parseStatLine(linefields []string, tags map[string]string, output chan lp.CCMetric) {
 	values := make(map[string]float64)
-	clktck, _ := sysconf.Sysconf(sysconf.SC_CLK_TCK)
+	total := 0.0
 	for match, index := range m.matches {
 		if len(match) > 0 {
 			x, err := strconv.ParseInt(linefields[index], 0, 64)
 			if err == nil {
-				vdiff := x - m.olddata[linefields[0]][match]
-				m.olddata[linefields[0]][match] = x // Store new value for next run
-				values[match] = float64(vdiff) / float64(tsdelta.Seconds()) / float64(clktck)
+				values[match] = float64(x)
+				total += values[match]
 			}
 		}
 	}
-
+	t := time.Now()
 	for name, value := range values {
-		y, err := lp.New(name, tags, m.meta, map[string]interface{}{"value": value * 100}, now)
+		y, err := lp.New(name, tags, m.meta, map[string]interface{}{"value": (value * 100.0) / total}, t)
 		if err == nil {
 			output <- y
 		}
@@ -132,9 +117,6 @@ func (m *CpustatCollector) Read(interval time.Duration, output chan lp.CCMetric)
 		return
 	}
 	num_cpus := 0
-	now := time.Now()
-	tsdelta := now.Sub(m.lastTimestamp)
-
 	file, err := os.Open(string(CPUSTATFILE))
 	if err != nil {
 		cclog.ComponentError(m.name, err.Error())
@@ -146,9 +128,9 @@ func (m *CpustatCollector) Read(interval time.Duration, output chan lp.CCMetric)
 		line := scanner.Text()
 		linefields := strings.Fields(line)
 		if strings.Compare(linefields[0], "cpu") == 0 {
-			m.parseStatLine(linefields, m.nodetags, output, now, tsdelta)
+			m.parseStatLine(linefields, m.nodetags, output)
 		} else if strings.HasPrefix(linefields[0], "cpu") {
-			m.parseStatLine(linefields, m.cputags[linefields[0]], output, now, tsdelta)
+			m.parseStatLine(linefields, m.cputags[linefields[0]], output)
 			num_cpus++
 		}
 	}
@@ -157,13 +139,11 @@ func (m *CpustatCollector) Read(interval time.Duration, output chan lp.CCMetric)
 		m.nodetags,
 		m.meta,
 		map[string]interface{}{"value": int(num_cpus)},
-		now,
+		time.Now(),
 	)
 	if err == nil {
 		output <- num_cpus_metric
 	}
-
-	m.lastTimestamp = now
 }
 
 func (m *CpustatCollector) Close() {

collectors/customCmdMetric.go

@@ -3,13 +3,13 @@ package collectors
 import (
 	"encoding/json"
 	"errors"
+	"io/ioutil"
 	"log"
-	"os"
 	"os/exec"
 	"strings"
 	"time"
 
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 	influx "github.com/influxdata/line-protocol"
 )
 
@@ -53,7 +53,7 @@ func (m *CustomCmdCollector) Init(config json.RawMessage) error {
 		}
 	}
 	for _, f := range m.config.Files {
-		_, err = os.ReadFile(f)
+		_, err = ioutil.ReadFile(f)
 		if err == nil {
 			m.files = append(m.files, f)
 		} else {
@@ -106,7 +106,7 @@ func (m *CustomCmdCollector) Read(interval time.Duration, output chan lp.CCMetri
 		}
 	}
 	for _, file := range m.files {
-		buffer, err := os.ReadFile(file)
+		buffer, err := ioutil.ReadFile(file)
 		if err != nil {
 			log.Print(err)
 			return

collectors/diskstatMetric.go

@@ -8,8 +8,8 @@ import (
 	"syscall"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 //	"log"

collectors/gpfsMetric.go

@@ -5,7 +5,7 @@ import (
 	"bytes"
 	"encoding/json"
 	"fmt"
-	"io"
+	"io/ioutil"
 	"log"
 	"os/exec"
 	"os/user"
@@ -13,8 +13,8 @@ import (
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 const DEFAULT_GPFS_CMD = "mmpmon"
@@ -118,8 +118,8 @@ func (m *GpfsCollector) Read(interval time.Duration, output chan lp.CCMetric) {
 	cmd.Stderr = cmdStderr
 	err := cmd.Run()
 	if err != nil {
-		dataStdErr, _ := io.ReadAll(cmdStderr)
-		dataStdOut, _ := io.ReadAll(cmdStdout)
+		dataStdErr, _ := ioutil.ReadAll(cmdStderr)
+		dataStdOut, _ := ioutil.ReadAll(cmdStdout)
 		cclog.ComponentError(
 			m.name,
 			fmt.Sprintf("Read(): Failed to execute command \"%s\": %v\n", cmd.String(), err),

collectors/infinibandMetric.go

@@ -2,10 +2,11 @@ package collectors
 
 import (
 	"fmt"
+	"io/ioutil"
 	"os"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 	"golang.org/x/sys/unix"
 
 	"encoding/json"
@@ -18,9 +19,8 @@ import (
 const IB_BASEPATH = "/sys/class/infiniband/"
 
 type InfinibandCollectorMetric struct {
-	path  string
-	unit  string
-	scale int64
+	path string
+	unit string
 }
 
 type InfinibandCollectorInfo struct {
@@ -84,7 +84,7 @@ func (m *InfinibandCollector) Init(config json.RawMessage) error {
 	for _, path := range ibDirs {
 
 		// Skip, when no LID is assigned
-		line, err := os.ReadFile(filepath.Join(path, "lid"))
+		line, err := ioutil.ReadFile(filepath.Join(path, "lid"))
 		if err != nil {
 			continue
 		}
@@ -113,10 +113,10 @@ func (m *InfinibandCollector) Init(config json.RawMessage) error {
 		// Check access to counter files
 		countersDir := filepath.Join(path, "counters")
 		portCounterFiles := map[string]InfinibandCollectorMetric{
-			"ib_recv":      {path: filepath.Join(countersDir, "port_rcv_data"), unit: "bytes", scale: 4},
-			"ib_xmit":      {path: filepath.Join(countersDir, "port_xmit_data"), unit: "bytes", scale: 4},
-			"ib_recv_pkts": {path: filepath.Join(countersDir, "port_rcv_packets"), unit: "packets", scale: 1},
-			"ib_xmit_pkts": {path: filepath.Join(countersDir, "port_xmit_packets"), unit: "packets", scale: 1},
+			"ib_recv":      {path: filepath.Join(countersDir, "port_rcv_data"), unit: "bytes"},
+			"ib_xmit":      {path: filepath.Join(countersDir, "port_xmit_data"), unit: "bytes"},
+			"ib_recv_pkts": {path: filepath.Join(countersDir, "port_rcv_packets"), unit: "packets"},
+			"ib_xmit_pkts": {path: filepath.Join(countersDir, "port_xmit_packets"), unit: "packets"},
 		}
 		for _, counter := range portCounterFiles {
 			err := unix.Access(counter.path, unix.R_OK)
@@ -174,7 +174,7 @@ func (m *InfinibandCollector) Read(interval time.Duration, output chan lp.CCMetr
 		for counterName, counterDef := range info.portCounterFiles {
 
 			// Read counter file
-			line, err := os.ReadFile(counterDef.path)
+			line, err := ioutil.ReadFile(counterDef.path)
 			if err != nil {
 				cclog.ComponentError(
 					m.name,
@@ -191,8 +191,6 @@ func (m *InfinibandCollector) Read(interval time.Duration, output chan lp.CCMetr
 					fmt.Sprintf("Read(): Failed to convert Infininiband metrice %s='%s' to int64: %v", counterName, data, err))
 				continue
 			}
-			// Scale raw value
-			v *= counterDef.scale
 
 			// Send absolut values
 			if m.config.SendAbsoluteValues {

collectors/iostatMetric.go

@@ -4,8 +4,8 @@ import (
 	"bufio"
 	"os"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 
 	//	"log"
 	"encoding/json"

collectors/ipmiMetric.go

@@ -10,7 +10,7 @@ import (
 	"strings"
 	"time"
 
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 const IPMITOOL_PATH = `ipmitool`

collectors/likwidMetric.go

@@ -12,6 +12,7 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"io/ioutil"
 	"math"
 	"os"
 	"os/signal"
@@ -23,10 +24,10 @@ import (
 	"time"
 	"unsafe"
 
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
+	topo "github.com/ClusterCockpit/cc-metric-collector/internal/ccTopology"
 	agg "github.com/ClusterCockpit/cc-metric-collector/internal/metricAggregator"
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
-	topo "github.com/ClusterCockpit/cc-metric-collector/pkg/ccTopology"
 	"github.com/NVIDIA/go-nvml/pkg/dl"
 )
 
@@ -153,13 +154,12 @@ func getBaseFreq() float64 {
 	}
 	var freq float64 = math.NaN()
 	for _, f := range files {
-		buffer, err := os.ReadFile(f)
+		buffer, err := ioutil.ReadFile(f)
 		if err == nil {
 			data := strings.Replace(string(buffer), "\n", "", -1)
 			x, err := strconv.ParseInt(data, 0, 64)
 			if err == nil {
-				freq = float64(x)
-				break
+				freq = float64(x) * 1e6
 			}
 		}
 	}
@@ -168,11 +168,11 @@ func getBaseFreq() float64 {
 		C.power_init(0)
 		info := C.get_powerInfo()
 		if float64(info.baseFrequency) != 0 {
-			freq = float64(info.baseFrequency)
+			freq = float64(info.baseFrequency) * 1e6
 		}
 		C.power_finalize()
 	}
-	return freq * 1e3
+	return freq
 }
 
 func (m *LikwidCollector) Init(config json.RawMessage) error {

collectors/likwidMetric.md

@@ -7,9 +7,6 @@ The `likwid` collector is probably the most complicated collector. The LIKWID li
   "likwid": {
     "force_overwrite" : false,
     "invalid_to_zero" : false,
-    "liblikwid_path" : "/path/to/liblikwid.so",
-    "accessdaemon_path" : "/folder/that/contains/likwid-accessD",
-    "access_mode" : "direct or accessdaemon or perf_event",
     "eventsets": [
       {
         "events" : {

collectors/loadavgMetric.go

@@ -3,13 +3,13 @@ package collectors
 import (
 	"encoding/json"
 	"fmt"
-	"os"
+	"io/ioutil"
 	"strconv"
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 //
@@ -72,7 +72,7 @@ func (m *LoadavgCollector) Read(interval time.Duration, output chan lp.CCMetric)
 	if !m.init {
 		return
 	}
-	buffer, err := os.ReadFile(LOADAVGFILE)
+	buffer, err := ioutil.ReadFile(LOADAVGFILE)
 	if err != nil {
 		if err != nil {
 			cclog.ComponentError(

collectors/lustreJobstatMetric.go

@@ -1,270 +0,0 @@
-package collectors
-
-import (
-	"encoding/json"
-	"errors"
-	"os/exec"
-	"regexp"
-	"strings"
-	"time"
-
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
-)
-
-type LustreJobstatCollectorConfig struct {
-	LCtlCommand        string   `json:"lctl_command,omitempty"`
-	ExcludeMetrics     []string `json:"exclude_metrics,omitempty"`
-	Sudo               bool     `json:"use_sudo,omitempty"`
-	SendAbsoluteValues bool     `json:"send_abs_values,omitempty"`
-	SendDerivedValues  bool     `json:"send_derived_values,omitempty"`
-	SendDiffValues     bool     `json:"send_diff_values,omitempty"`
-	JobRegex           string   `json:"jobid_regex,omitempty"`
-}
-
-type LustreJobstatCollector struct {
-	metricCollector
-	tags          map[string]string
-	config        LustreJobstatCollectorConfig
-	lctl          string
-	sudoCmd       string
-	lastTimestamp time.Time                // Store time stamp of last tick to derive bandwidths
-	definitions   []LustreMetricDefinition // Combined list without excluded metrics
-	//stats             map[string]map[string]int64 // Data for last value per device and metric
-	lastMdtData       *map[string]map[string]LustreMetricData
-	lastObdfilterData *map[string]map[string]LustreMetricData
-	jobidRegex        *regexp.Regexp
-}
-
-var defaultJobidRegex = `^(?P<jobid>[\d\w\.]+)$`
-
-var LustreMetricJobstatsDefinition = []LustreMetricDefinition{
-	{
-		name:       "lustre_job_read_samples",
-		lineprefix: "read",
-		offsetname: "samples",
-		unit:       "requests",
-		calc:       "none",
-	},
-	{
-		name:       "lustre_job_read_min_bytes",
-		lineprefix: "read_bytes",
-		offsetname: "min",
-		unit:       "bytes",
-		calc:       "none",
-	},
-	{
-		name:       "lustre_job_read_max_bytes",
-		lineprefix: "read_bytes",
-		offsetname: "max",
-		unit:       "bytes",
-		calc:       "none",
-	},
-}
-
-func (m *LustreJobstatCollector) executeLustreCommand(option string) []string {
-	return executeLustreCommand(m.sudoCmd, m.lctl, LCTL_OPTION, option, m.config.Sudo)
-}
-
-func (m *LustreJobstatCollector) Init(config json.RawMessage) error {
-	var err error
-	m.name = "LustreJobstatCollector"
-	m.parallel = true
-	m.config.JobRegex = defaultJobidRegex
-	m.config.SendAbsoluteValues = true
-	if len(config) > 0 {
-		err = json.Unmarshal(config, &m.config)
-		if err != nil {
-			return err
-		}
-	}
-	m.setup()
-	m.tags = map[string]string{"type": "jobid"}
-	m.meta = map[string]string{"source": m.name, "group": "Lustre", "scope": "job"}
-
-	// Lustre file system statistics can only be queried by user root
-	// or with password-less sudo
-	// 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, "Lustre 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
-	// }
-
-	p, err := exec.LookPath(m.config.LCtlCommand)
-	if err != nil {
-		p, err = exec.LookPath(LCTL_CMD)
-		if err != nil {
-			return err
-		}
-	}
-	m.lctl = p
-
-	m.definitions = make([]LustreMetricDefinition, 0)
-	if m.config.SendAbsoluteValues {
-		for _, def := range LustreMetricJobstatsDefinition {
-			if _, skip := stringArrayContains(m.config.ExcludeMetrics, def.name); !skip {
-				m.definitions = append(m.definitions, def)
-			}
-		}
-	}
-
-	if len(m.definitions) == 0 {
-		return errors.New("no metrics to collect")
-	}
-
-	x := make(map[string]map[string]LustreMetricData)
-	m.lastMdtData = &x
-	x = make(map[string]map[string]LustreMetricData)
-	m.lastObdfilterData = &x
-
-	if len(m.config.JobRegex) > 0 {
-		jregex := strings.ReplaceAll(m.config.JobRegex, "%", "\\")
-		r, err := regexp.Compile(jregex)
-		if err == nil {
-			m.jobidRegex = r
-		} else {
-			cclog.ComponentError(m.name, "Cannot compile jobid regex")
-			return err
-		}
-	}
-
-	m.lastTimestamp = time.Now()
-	m.init = true
-	return nil
-}
-
-func (m *LustreJobstatCollector) Read(interval time.Duration, output chan lp.CCMetric) {
-	if !m.init {
-		return
-	}
-
-	getValue := func(data map[string]map[string]LustreMetricData, device string, jobid string, operation string, field string) int64 {
-		var value int64 = -1
-		if ddata, ok := data[device]; ok {
-			if jdata, ok := ddata[jobid]; ok {
-				if opdata, ok := jdata.op_data[operation]; ok {
-					if v, ok := opdata[field]; ok {
-						value = v
-					}
-				}
-			}
-		}
-		return value
-	}
-
-	jobIdToTags := func(jobregex *regexp.Regexp, job string) map[string]string {
-		tags := make(map[string]string)
-		groups := jobregex.SubexpNames()
-		for _, match := range jobregex.FindAllStringSubmatch(job, -1) {
-			for groupIdx, group := range match {
-				if len(groups[groupIdx]) > 0 {
-					tags[groups[groupIdx]] = group
-				}
-			}
-		}
-		return tags
-	}
-
-	generateMetric := func(definition LustreMetricDefinition, data map[string]map[string]LustreMetricData, last map[string]map[string]LustreMetricData, now time.Time) {
-		tdiff := now.Sub(m.lastTimestamp)
-		for dev, ddata := range data {
-			for jobid, jdata := range ddata {
-				jobtags := jobIdToTags(m.jobidRegex, jobid)
-				if _, ok := jobtags["jobid"]; !ok {
-					continue
-				}
-				cur := getValue(data, dev, jobid, definition.lineprefix, definition.offsetname)
-				old := getValue(last, dev, jobid, definition.lineprefix, definition.offsetname)
-				var x interface{} = -1
-				var valid = false
-				switch definition.calc {
-				case "none":
-					x = cur
-					valid = true
-				case "difference":
-					if len(last) > 0 {
-						if old >= 0 {
-							x = cur - old
-							valid = true
-						}
-					}
-				case "derivative":
-					if len(last) > 0 {
-						if old >= 0 {
-							x = float64(cur-old) / tdiff.Seconds()
-							valid = true
-						}
-					}
-				}
-				if valid {
-					y, err := lp.New(definition.name, m.tags, m.meta, map[string]interface{}{"value": x}, now)
-					if err == nil {
-						y.AddTag("stype", "device")
-						y.AddTag("stype-id", dev)
-						if j, ok := jobtags["jobid"]; ok {
-							y.AddTag("type-id", j)
-						} else {
-							y.AddTag("type-id", jobid)
-						}
-						for k, v := range jobtags {
-							switch k {
-							case "jobid":
-							case "hostname":
-								y.AddTag("hostname", v)
-							default:
-								y.AddMeta(k, v)
-							}
-						}
-						if len(definition.unit) > 0 {
-							y.AddMeta("unit", definition.unit)
-						} else {
-							if unit, ok := jdata.op_units[definition.lineprefix]; ok {
-								y.AddMeta("unit", unit)
-							}
-						}
-						output <- y
-					}
-				}
-			}
-		}
-	}
-
-	now := time.Now()
-
-	mdt_lines := m.executeLustreCommand("mdt.*.job_stats")
-	if len(mdt_lines) > 0 {
-		mdt_data := readCommandOutput(mdt_lines)
-		for _, def := range m.definitions {
-			generateMetric(def, mdt_data, *m.lastMdtData, now)
-		}
-		m.lastMdtData = &mdt_data
-	}
-
-	obdfilter_lines := m.executeLustreCommand("obdfilter.*.job_stats")
-	if len(obdfilter_lines) > 0 {
-		obdfilter_data := readCommandOutput(obdfilter_lines)
-		for _, def := range m.definitions {
-			generateMetric(def, obdfilter_data, *m.lastObdfilterData, now)
-		}
-		m.lastObdfilterData = &obdfilter_data
-	}
-
-	m.lastTimestamp = now
-}
-
-func (m *LustreJobstatCollector) Close() {
-	m.init = false
-}

collectors/lustreJobstatMetric.md

@@ -1,35 +0,0 @@
-
-## `lustre_jobstat` collector
-
-**Note**: This collector is meant to run on the Lustre servers, **not** the clients
-
-The Lustre filesystem provides a feature (`job_stats`) to group processes on client side with an identifier string (like a compute job with its jobid) and retrieve the file system operation counts on the server side. Check the section [How to configure `job_stats`]() for more information.
-
-### Configuration
-
-```json
-  "lustre_jobstat_": {
-    "lctl_command": "/path/to/lctl",
-    "use_sudo": false,
-    "exclude_metrics": [
-      "setattr",
-      "getattr"
-    ],
-    "send_abs_values" : true,
-    
-    "jobid_regex" : "^(?P<jobid>[%d%w%.]+)$"
-  }
-```
-
-The `lustre_jobstat` collector uses the `lctl` application with the `get_param` option to get all `mdt.*.job_stats` and `obdfilter.*.job_stats` metrics. These metrics are only available for root users. If password-less sudo is configured, you can enable `sudo` in the configuration. In the `exclude_metrics` list, some metrics can be excluded to reduce network traffic and storage. With the `send_abs_values` flag, the collector sends absolute values for the configured metrics. The `jobid_regex` can be used to split the Lustre `job_stats` identifier into multiple parts. Since JSON cannot handle strings like `\d`, use `%` instead of `\`.
-
-Metrics:
-- `lustre_job_read_samples` (unit: `requests`)
-- `lustre_job_read_min_bytes` (unit: `bytes`)
-- `lustre_job_read_max_bytes` (unit: `bytes`)
-
-The collector adds the tags: `type=jobid,typeid=<jobid_from_regex>,stype=device,stype=<device_name_from_output>`.
-
-The collector adds the mega information: `unit=<unit>,scope=job`
-
-### How to configure `job_stats`

collectors/lustreMetric.go

@@ -10,10 +10,14 @@ import (
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
+const LUSTRE_SYSFS = `/sys/fs/lustre`
+const LCTL_CMD = `lctl`
+const LCTL_OPTION = `get_param`
+
 type LustreCollectorConfig struct {
 	LCtlCommand        string   `json:"lctl_command,omitempty"`
 	ExcludeMetrics     []string `json:"exclude_metrics,omitempty"`
@@ -23,6 +27,14 @@ type LustreCollectorConfig struct {
 	SendDiffValues     bool     `json:"send_diff_values,omitempty"`
 }
 
+type LustreMetricDefinition struct {
+	name       string
+	lineprefix string
+	lineoffset int
+	unit       string
+	calc       string
+}
+
 type LustreCollector struct {
 	metricCollector
 	tags          map[string]string
@@ -34,209 +46,17 @@ type LustreCollector struct {
 	stats         map[string]map[string]int64 // Data for last value per device and metric
 }
 
-var LustreAbsMetrics = []LustreMetricDefinition{
-	{
-		name:       "lustre_read_requests",
-		lineprefix: "read_bytes",
-		lineoffset: 1,
-		offsetname: "samples",
-		unit:       "requests",
-		calc:       "none",
-	},
-	{
-		name:       "lustre_write_requests",
-		lineprefix: "write_bytes",
-		lineoffset: 1,
-		offsetname: "samples",
-		unit:       "requests",
-		calc:       "none",
-	},
-	{
-		name:       "lustre_read_bytes",
-		lineprefix: "read_bytes",
-		lineoffset: 6,
-		offsetname: "sum",
-		unit:       "bytes",
-		calc:       "none",
-	},
-	{
-		name:       "lustre_write_bytes",
-		lineprefix: "write_bytes",
-		lineoffset: 6,
-		offsetname: "sum",
-		unit:       "bytes",
-		calc:       "none",
-	},
-	{
-		name:       "lustre_open",
-		lineprefix: "open",
-		lineoffset: 1,
-		offsetname: "samples",
-		unit:       "",
-		calc:       "none",
-	},
-	{
-		name:       "lustre_close",
-		lineprefix: "close",
-		lineoffset: 1,
-		offsetname: "samples",
-		unit:       "",
-		calc:       "none",
-	},
-	{
-		name:       "lustre_setattr",
-		lineprefix: "setattr",
-		lineoffset: 1,
-		offsetname: "samples",
-		unit:       "",
-		calc:       "none",
-	},
-	{
-		name:       "lustre_getattr",
-		lineprefix: "getattr",
-		lineoffset: 1,
-		offsetname: "samples",
-		unit:       "",
-		calc:       "none",
-	},
-	{
-		name:       "lustre_statfs",
-		lineprefix: "statfs",
-		lineoffset: 1,
-		offsetname: "samples",
-		unit:       "",
-		calc:       "none",
-	},
-	{
-		name:       "lustre_inode_permission",
-		lineprefix: "inode_permission",
-		lineoffset: 1,
-		offsetname: "samples",
-		unit:       "",
-		calc:       "none",
-	},
-}
-
-var LustreDiffMetrics = []LustreMetricDefinition{
-	{
-		name:       "lustre_read_requests_diff",
-		lineprefix: "read_bytes",
-		lineoffset: 1,
-		offsetname: "samples",
-		unit:       "requests",
-		calc:       "difference",
-	},
-	{
-		name:       "lustre_write_requests_diff",
-		lineprefix: "write_bytes",
-		lineoffset: 1,
-		offsetname: "samples",
-		unit:       "requests",
-		calc:       "difference",
-	},
-	{
-		name:       "lustre_read_bytes_diff",
-		lineprefix: "read_bytes",
-		lineoffset: 6,
-		offsetname: "sum",
-		unit:       "bytes",
-		calc:       "difference",
-	},
-	{
-		name:       "lustre_write_bytes_diff",
-		lineprefix: "write_bytes",
-		lineoffset: 6,
-		offsetname: "sum",
-		unit:       "bytes",
-		calc:       "difference",
-	},
-	{
-		name:       "lustre_open_diff",
-		lineprefix: "open",
-		lineoffset: 1,
-		offsetname: "samples",
-		unit:       "",
-		calc:       "difference",
-	},
-	{
-		name:       "lustre_close_diff",
-		lineprefix: "close",
-		lineoffset: 1,
-		offsetname: "samples",
-		unit:       "",
-		calc:       "difference",
-	},
-	{
-		name:       "lustre_setattr_diff",
-		lineprefix: "setattr",
-		lineoffset: 1,
-		offsetname: "samples",
-		unit:       "",
-		calc:       "difference",
-	},
-	{
-		name:       "lustre_getattr_diff",
-		lineprefix: "getattr",
-		lineoffset: 1,
-		offsetname: "samples",
-		unit:       "",
-		calc:       "difference",
-	},
-	{
-		name:       "lustre_statfs_diff",
-		lineprefix: "statfs",
-		lineoffset: 1,
-		offsetname: "samples",
-		unit:       "",
-		calc:       "difference",
-	},
-	{
-		name:       "lustre_inode_permission_diff",
-		lineprefix: "inode_permission",
-		lineoffset: 1,
-		offsetname: "samples",
-		unit:       "",
-		calc:       "difference",
-	},
-}
-
-var LustreDeriveMetrics = []LustreMetricDefinition{
-	{
-		name:       "lustre_read_requests_rate",
-		lineprefix: "read_bytes",
-		lineoffset: 1,
-		offsetname: "samples",
-		unit:       "requests/sec",
-		calc:       "derivative",
-	},
-	{
-		name:       "lustre_write_requests_rate",
-		lineprefix: "write_bytes",
-		lineoffset: 1,
-		offsetname: "samples",
-		unit:       "requests/sec",
-		calc:       "derivative",
-	},
-	{
-		name:       "lustre_read_bw",
-		lineprefix: "read_bytes",
-		lineoffset: 6,
-		offsetname: "sum",
-		unit:       "bytes/sec",
-		calc:       "derivative",
-	},
-	{
-		name:       "lustre_write_bw",
-		lineprefix: "write_bytes",
-		lineoffset: 6,
-		offsetname: "sum",
-		unit:       "bytes/sec",
-		calc:       "derivative",
-	},
-}
-
 func (m *LustreCollector) getDeviceDataCommand(device string) []string {
-	return executeLustreCommand(m.sudoCmd, m.lctl, LCTL_OPTION, fmt.Sprintf("llite.%s.stats", device), m.config.Sudo)
+	var command *exec.Cmd
+	statsfile := fmt.Sprintf("llite.%s.stats", device)
+	if m.config.Sudo {
+		command = exec.Command(m.sudoCmd, m.lctl, LCTL_OPTION, statsfile)
+	} else {
+		command = exec.Command(m.lctl, LCTL_OPTION, statsfile)
+	}
+	command.Wait()
+	stdout, _ := command.Output()
+	return strings.Split(string(stdout), "\n")
 }
 
 func (m *LustreCollector) getDevices() []string {
@@ -288,6 +108,183 @@ func getMetricData(lines []string, prefix string, offset int) (int64, error) {
 // 	return strings.Split(string(buffer), "\n")
 // }
 
+var LustreAbsMetrics = []LustreMetricDefinition{
+	{
+		name:       "lustre_read_requests",
+		lineprefix: "read_bytes",
+		lineoffset: 1,
+		unit:       "requests",
+		calc:       "none",
+	},
+	{
+		name:       "lustre_write_requests",
+		lineprefix: "write_bytes",
+		lineoffset: 1,
+		unit:       "requests",
+		calc:       "none",
+	},
+	{
+		name:       "lustre_read_bytes",
+		lineprefix: "read_bytes",
+		lineoffset: 6,
+		unit:       "bytes",
+		calc:       "none",
+	},
+	{
+		name:       "lustre_write_bytes",
+		lineprefix: "write_bytes",
+		lineoffset: 6,
+		unit:       "bytes",
+		calc:       "none",
+	},
+	{
+		name:       "lustre_open",
+		lineprefix: "open",
+		lineoffset: 1,
+		unit:       "",
+		calc:       "none",
+	},
+	{
+		name:       "lustre_close",
+		lineprefix: "close",
+		lineoffset: 1,
+		unit:       "",
+		calc:       "none",
+	},
+	{
+		name:       "lustre_setattr",
+		lineprefix: "setattr",
+		lineoffset: 1,
+		unit:       "",
+		calc:       "none",
+	},
+	{
+		name:       "lustre_getattr",
+		lineprefix: "getattr",
+		lineoffset: 1,
+		unit:       "",
+		calc:       "none",
+	},
+	{
+		name:       "lustre_statfs",
+		lineprefix: "statfs",
+		lineoffset: 1,
+		unit:       "",
+		calc:       "none",
+	},
+	{
+		name:       "lustre_inode_permission",
+		lineprefix: "inode_permission",
+		lineoffset: 1,
+		unit:       "",
+		calc:       "none",
+	},
+}
+
+var LustreDiffMetrics = []LustreMetricDefinition{
+	{
+		name:       "lustre_read_requests_diff",
+		lineprefix: "read_bytes",
+		lineoffset: 1,
+		unit:       "requests",
+		calc:       "difference",
+	},
+	{
+		name:       "lustre_write_requests_diff",
+		lineprefix: "write_bytes",
+		lineoffset: 1,
+		unit:       "requests",
+		calc:       "difference",
+	},
+	{
+		name:       "lustre_read_bytes_diff",
+		lineprefix: "read_bytes",
+		lineoffset: 6,
+		unit:       "bytes",
+		calc:       "difference",
+	},
+	{
+		name:       "lustre_write_bytes_diff",
+		lineprefix: "write_bytes",
+		lineoffset: 6,
+		unit:       "bytes",
+		calc:       "difference",
+	},
+	{
+		name:       "lustre_open_diff",
+		lineprefix: "open",
+		lineoffset: 1,
+		unit:       "",
+		calc:       "difference",
+	},
+	{
+		name:       "lustre_close_diff",
+		lineprefix: "close",
+		lineoffset: 1,
+		unit:       "",
+		calc:       "difference",
+	},
+	{
+		name:       "lustre_setattr_diff",
+		lineprefix: "setattr",
+		lineoffset: 1,
+		unit:       "",
+		calc:       "difference",
+	},
+	{
+		name:       "lustre_getattr_diff",
+		lineprefix: "getattr",
+		lineoffset: 1,
+		unit:       "",
+		calc:       "difference",
+	},
+	{
+		name:       "lustre_statfs_diff",
+		lineprefix: "statfs",
+		lineoffset: 1,
+		unit:       "",
+		calc:       "difference",
+	},
+	{
+		name:       "lustre_inode_permission_diff",
+		lineprefix: "inode_permission",
+		lineoffset: 1,
+		unit:       "",
+		calc:       "difference",
+	},
+}
+
+var LustreDeriveMetrics = []LustreMetricDefinition{
+	{
+		name:       "lustre_read_requests_rate",
+		lineprefix: "read_bytes",
+		lineoffset: 1,
+		unit:       "requests/sec",
+		calc:       "derivative",
+	},
+	{
+		name:       "lustre_write_requests_rate",
+		lineprefix: "write_bytes",
+		lineoffset: 1,
+		unit:       "requests/sec",
+		calc:       "derivative",
+	},
+	{
+		name:       "lustre_read_bw",
+		lineprefix: "read_bytes",
+		lineoffset: 6,
+		unit:       "bytes/sec",
+		calc:       "derivative",
+	},
+	{
+		name:       "lustre_write_bw",
+		lineprefix: "write_bytes",
+		lineoffset: 6,
+		unit:       "bytes/sec",
+		calc:       "derivative",
+	},
+}
+
 func (m *LustreCollector) Init(config json.RawMessage) error {
 	var err error
 	m.name = "LustreCollector"
@@ -300,7 +297,7 @@ func (m *LustreCollector) Init(config json.RawMessage) error {
 	}
 	m.setup()
 	m.tags = map[string]string{"type": "node"}
-	m.meta = map[string]string{"source": m.name, "group": "Lustre", "scope": "node"}
+	m.meta = map[string]string{"source": m.name, "group": "Lustre"}
 
 	// Lustre file system statistics can only be queried by user root
 	// or with password-less sudo

collectors/lustreMetricCommon.go

@@ -1,190 +0,0 @@
-package collectors
-
-import (
-	"fmt"
-	"os/exec"
-	"regexp"
-	"strconv"
-	"strings"
-)
-
-const LUSTRE_SYSFS = `/sys/fs/lustre`
-const LCTL_CMD = `lctl`
-const LCTL_OPTION = `get_param`
-
-type LustreMetricDefinition struct {
-	name       string
-	lineprefix string
-	lineoffset int
-	offsetname string
-	unit       string
-	calc       string
-}
-
-type LustreMetricData struct {
-	sample_time       int64
-	start_time        int64
-	elapsed_time      int64
-	op_data           map[string]map[string]int64
-	op_units          map[string]string
-	sample_time_unit  string
-	start_time_unit   string
-	elapsed_time_unit string
-}
-
-var devicePattern = regexp.MustCompile(`^[\w\d\-_]+\.([\w\d\-_]+)\.[\w\d\-_]+=$`)
-var jobPattern = regexp.MustCompile(`^-\s*job_id:\s*([\w\d\-_\.:]+)$`)
-var snapshotPattern = regexp.MustCompile(`^\s*snapshot_time\s*:\s*([\d\.]+)\s*([\w\d\-_\.]*)$`)
-var startPattern = regexp.MustCompile(`^\s*start_time\s*:\s*([\d\.]+)\s*([\w\d\-_\.]*)$`)
-var elapsedPattern = regexp.MustCompile(`^\s*elapsed_time\s*:\s*([\d\.]+)\s*([\w\d\-_\.]*)$`)
-var linePattern = regexp.MustCompile(`^\s*([\w\d\-_\.]+):\s*\{\s*samples:\s*([\d\.]+),\s*unit:\s*([\w\d\-_\.]+),\s*min:\s*([\d\.]+),\s*max:\s*([\d\.]+),\s*sum:\s*([\d\.]+),\s*sumsq:\s*([\d\.]+)\s*\}`)
-
-func executeLustreCommand(sudo, lctl, option, search string, use_sudo bool) []string {
-	var command *exec.Cmd
-	if use_sudo {
-		command = exec.Command(sudo, lctl, option, search)
-	} else {
-		command = exec.Command(lctl, option, search)
-	}
-	command.Wait()
-	stdout, _ := command.Output()
-	return strings.Split(string(stdout), "\n")
-}
-
-func splitTree(lines []string, splitRegex *regexp.Regexp) map[string][]string {
-	entries := make(map[string][]string)
-	ent_lines := make([]int, 0)
-	for i, l := range lines {
-		m := splitRegex.FindStringSubmatch(l)
-		if len(m) == 2 {
-			ent_lines = append(ent_lines, i)
-		}
-	}
-	if len(ent_lines) > 0 {
-		for i, idx := range ent_lines[:len(ent_lines)-1] {
-			m := splitRegex.FindStringSubmatch(lines[idx])
-			entries[m[1]] = lines[idx+1 : ent_lines[i+1]]
-		}
-		last := ent_lines[len(ent_lines)-1]
-		m := splitRegex.FindStringSubmatch(lines[last])
-		entries[m[1]] = lines[last:]
-	}
-	return entries
-}
-
-func readDevices(lines []string) map[string][]string {
-	return splitTree(lines, devicePattern)
-}
-
-func readJobs(lines []string) map[string][]string {
-	return splitTree(lines, jobPattern)
-}
-
-func readJobdata(lines []string) LustreMetricData {
-
-	jobdata := LustreMetricData{
-		op_data:           make(map[string]map[string]int64),
-		op_units:          make(map[string]string),
-		sample_time:       0,
-		sample_time_unit:  "nsec",
-		start_time:        0,
-		start_time_unit:   "nsec",
-		elapsed_time:      0,
-		elapsed_time_unit: "nsec",
-	}
-	parseTime := func(value, unit string) int64 {
-		var t int64 = 0
-		if len(unit) == 0 {
-			unit = "secs"
-		}
-		values := strings.Split(value, ".")
-		units := strings.Split(unit, ".")
-		if len(values) != len(units) {
-			fmt.Printf("Invalid time specification '%s' and '%s'\n", value, unit)
-		}
-		for i, v := range values {
-			if len(units) > i {
-				s, err := strconv.ParseInt(v, 10, 64)
-				if err == nil {
-					switch units[i] {
-					case "secs":
-						t += s * 1e9
-					case "msecs":
-						t += s * 1e6
-					case "usecs":
-						t += s * 1e3
-					case "nsecs":
-						t += s
-					}
-				}
-			}
-		}
-		return t
-	}
-	parseNumber := func(value string) int64 {
-		s, err := strconv.ParseInt(value, 10, 64)
-		if err == nil {
-			return s
-		}
-		return 0
-	}
-	for _, l := range lines {
-		if jobdata.sample_time == 0 {
-			m := snapshotPattern.FindStringSubmatch(l)
-			if len(m) == 3 {
-				if len(m[2]) > 0 {
-					jobdata.sample_time = parseTime(m[1], m[2])
-				} else {
-					jobdata.sample_time = parseTime(m[1], "secs")
-				}
-			}
-		}
-
-		if jobdata.start_time == 0 {
-			m := startPattern.FindStringSubmatch(l)
-			if len(m) == 3 {
-				if len(m[2]) > 0 {
-					jobdata.start_time = parseTime(m[1], m[2])
-				} else {
-					jobdata.start_time = parseTime(m[1], "secs")
-				}
-			}
-		}
-		if jobdata.elapsed_time == 0 {
-			m := elapsedPattern.FindStringSubmatch(l)
-			if len(m) == 3 {
-				if len(m[2]) > 0 {
-					jobdata.elapsed_time = parseTime(m[1], m[2])
-				} else {
-					jobdata.elapsed_time = parseTime(m[1], "secs")
-				}
-			}
-		}
-		m := linePattern.FindStringSubmatch(l)
-		if len(m) == 8 {
-			jobdata.op_units[m[1]] = m[3]
-			jobdata.op_data[m[1]] = map[string]int64{
-				"samples": parseNumber(m[2]),
-				"min":     parseNumber(m[4]),
-				"max":     parseNumber(m[5]),
-				"sum":     parseNumber(m[6]),
-				"sumsq":   parseNumber(m[7]),
-			}
-		}
-	}
-	return jobdata
-}
-
-func readCommandOutput(lines []string) map[string]map[string]LustreMetricData {
-	var data map[string]map[string]LustreMetricData = make(map[string]map[string]LustreMetricData)
-	devs := readDevices(lines)
-	for d, ddata := range devs {
-		data[d] = make(map[string]LustreMetricData)
-		jobs := readJobs(ddata)
-		for j, jdata := range jobs {
-			x := readJobdata(jdata)
-			data[d][j] = x
-		}
-	}
-	return data
-}

collectors/memstatMetric.go

@@ -12,8 +12,8 @@ import (
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 const MEMSTATFILE = "/proc/meminfo"
@@ -68,8 +68,7 @@ func getStats(filename string) map[string]MemstatStats {
 		} else if len(linefields) == 5 {
 			v, err := strconv.ParseFloat(linefields[3], 64)
 			if err == nil {
-				cclog.ComponentDebug("getStats", strings.Trim(linefields[2], ":"), v, linefields[4])
-				stats[strings.Trim(linefields[2], ":")] = MemstatStats{
+				stats[strings.Trim(linefields[0], ":")] = MemstatStats{
 					value: v,
 					unit:  linefields[4],
 				}
@@ -161,6 +160,7 @@ func (m *MemstatCollector) Init(config json.RawMessage) error {
 
 func (m *MemstatCollector) Read(interval time.Duration, output chan lp.CCMetric) {
 	if !m.init {
+		cclog.ComponentPrint(m.name, "Here")
 		return
 	}
 
@@ -188,20 +188,16 @@ func (m *MemstatCollector) Read(interval time.Duration, output chan lp.CCMetric)
 			unit := ""
 			if totalVal, total := stats["MemTotal"]; total {
 				if freeVal, free := stats["MemFree"]; free {
-					memUsed = totalVal.value - freeVal.value
-					if len(totalVal.unit) > 0 {
-						unit = totalVal.unit
-					} else if len(freeVal.unit) > 0 {
-						unit = freeVal.unit
-					}
 					if bufVal, buffers := stats["Buffers"]; buffers {
-						memUsed -= bufVal.value
-						if len(bufVal.unit) > 0 && len(unit) == 0 {
-							unit = bufVal.unit
-						}
 						if cacheVal, cached := stats["Cached"]; cached {
-							memUsed -= cacheVal.value
-							if len(cacheVal.unit) > 0 && len(unit) == 0 {
+							memUsed = totalVal.value - (freeVal.value + bufVal.value + cacheVal.value)
+							if len(totalVal.unit) > 0 {
+								unit = totalVal.unit
+							} else if len(freeVal.unit) > 0 {
+								unit = freeVal.unit
+							} else if len(bufVal.unit) > 0 {
+								unit = bufVal.unit
+							} else if len(cacheVal.unit) > 0 {
 								unit = cacheVal.unit
 							}
 						}

collectors/metricCollector.go

@@ -5,7 +5,7 @@ import (
 	"fmt"
 	"time"
 
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 type MetricCollector interface {

collectors/netstatMetric.go

@@ -9,8 +9,8 @@ import (
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 const NETSTATFILE = "/proc/net/dev"

collectors/nfsMetric.go

@@ -11,7 +11,7 @@ import (
 	"strings"
 	"time"
 
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 // First part contains the code for the general NfsCollector.

collectors/numastatsMetric.go

@@ -10,8 +10,8 @@ import (
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 //

collectors/nvidiaMetric.go

@@ -8,8 +8,8 @@ import (
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 	"github.com/NVIDIA/go-nvml/pkg/nvml"
 )
 

collectors/rocmsmiMetric.go

@@ -6,8 +6,8 @@ import (
 	"fmt"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 	"github.com/ClusterCockpit/go-rocm-smi/pkg/rocm_smi"
 )
 
@@ -66,14 +66,14 @@ func (m *RocmSmiCollector) Init(config json.RawMessage) error {
 
 	ret := rocm_smi.Init()
 	if ret != rocm_smi.STATUS_SUCCESS {
-		err = errors.New("failed to initialize ROCm SMI library")
+		err = errors.New("Failed to initialize ROCm SMI library")
 		cclog.ComponentError(m.name, err.Error())
 		return err
 	}
 
 	numDevs, ret := rocm_smi.NumMonitorDevices()
 	if ret != rocm_smi.STATUS_SUCCESS {
-		err = errors.New("failed to get number of GPUs from ROCm SMI library")
+		err = errors.New("Failed to get number of GPUs from ROCm SMI library")
 		cclog.ComponentError(m.name, err.Error())
 		return err
 	}
@@ -98,14 +98,14 @@ func (m *RocmSmiCollector) Init(config json.RawMessage) error {
 		}
 		device, ret := rocm_smi.DeviceGetHandleByIndex(i)
 		if ret != rocm_smi.STATUS_SUCCESS {
-			err = fmt.Errorf("failed to get handle for GPU %d", i)
+			err = fmt.Errorf("Failed to get handle for GPU %d", i)
 			cclog.ComponentError(m.name, err.Error())
 			return err
 		}
 
 		pciInfo, ret := rocm_smi.DeviceGetPciInfo(device)
 		if ret != rocm_smi.STATUS_SUCCESS {
-			err = fmt.Errorf("failed to get PCI information for GPU %d", i)
+			err = fmt.Errorf("Failed to get PCI information for GPU %d", i)
 			cclog.ComponentError(m.name, err.Error())
 			return err
 		}

collectors/sampleMetric.go

@@ -4,8 +4,8 @@ import (
 	"encoding/json"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 // These are the fields we read from the JSON configuration

collectors/sampleTimerMetric.go

@@ -5,8 +5,8 @@ import (
 	"sync"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 // These are the fields we read from the JSON configuration

collectors/schedstatMetric.go

@@ -1,154 +0,0 @@
-package collectors
-
-import (
-	"bufio"
-	"encoding/json"
-	"fmt"
-	"math"
-	"os"
-	"strconv"
-	"strings"
-	"time"
-
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
-)
-
-const SCHEDSTATFILE = `/proc/schedstat`
-
-// These are the fields we read from the JSON configuration
-type SchedstatCollectorConfig struct {
-	ExcludeMetrics []string `json:"exclude_metrics,omitempty"`
-}
-
-// This contains all variables we need during execution and the variables
-// defined by metricCollector (name, init, ...)
-type SchedstatCollector struct {
-	metricCollector
-	config        SchedstatCollectorConfig     // the configuration structure
-	lastTimestamp time.Time                    // Store time stamp of last tick to derive values
-	meta          map[string]string            // default meta information
-	cputags       map[string]map[string]string // default tags
-	olddata       map[string]map[string]int64  // default tags
-}
-
-// Functions to implement MetricCollector interface
-// Init(...), Read(...), Close()
-// See: metricCollector.go
-
-// Init initializes the sample collector
-// 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
-	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"}
-
-	// Read in the JSON configuration
-	if len(config) > 0 {
-		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(string(SCHEDSTATFILE))
-	if err != nil {
-		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)
-	for scanner.Scan() {
-		line := scanner.Text()
-		linefields := strings.Fields(line)
-		if strings.HasPrefix(linefields[0], "cpu") && strings.Compare(linefields[0], "cpu") != 0 {
-			cpustr := strings.TrimLeft(linefields[0], "cpu")
-			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}
-			num_cpus++
-		}
-	}
-
-	// Save current timestamp
-	m.lastTimestamp = time.Now()
-
-	// Set this flag only if everything is initialized properly, all required files exist, ...
-	m.init = true
-	return err
-}
-
-func (m *SchedstatCollector) ParseProcLine(linefields []string, tags map[string]string, output chan lp.CCMetric, now time.Time, tsdelta time.Duration) {
-	running, _ := strconv.ParseInt(linefields[7], 10, 64)
-	waiting, _ := strconv.ParseInt(linefields[8], 10, 64)
-	diff_running := running - m.olddata[linefields[0]]["running"]
-	diff_waiting := waiting - m.olddata[linefields[0]]["waiting"]
-
-	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.New("cpu_load_core", tags, m.meta, map[string]interface{}{"value": value}, now)
-	if err == nil {
-		// Send it to output channel
-		output <- y
-	}
-}
-
-// Read collects all metrics belonging to the sample collector
-// and sends them through the output channel to the collector manager
-func (m *SchedstatCollector) Read(interval time.Duration, output chan lp.CCMetric) {
-	if !m.init {
-		return
-	}
-
-	//timestamps
-	now := time.Now()
-	tsdelta := now.Sub(m.lastTimestamp)
-
-	file, err := os.Open(string(SCHEDSTATFILE))
-	if err != nil {
-		cclog.ComponentError(m.name, err.Error())
-	}
-	defer file.Close()
-
-	scanner := bufio.NewScanner(file)
-	for scanner.Scan() {
-		line := scanner.Text()
-		linefields := strings.Fields(line)
-		if strings.HasPrefix(linefields[0], "cpu") {
-			m.ParseProcLine(linefields, m.cputags[linefields[0]], output, now, tsdelta)
-		}
-	}
-
-	m.lastTimestamp = now
-
-}
-
-// Close metric collector: close network connection, close files, close libraries, ...
-// Called once by the collector manager
-func (m *SchedstatCollector) Close() {
-	// Unset flag
-	m.init = false
-}

collectors/schedstatMetric.md

@@ -1,11 +0,0 @@
-
-## `schedstat` collector
-```json
-  "schedstat": {
-  }
-```
-
-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`

collectors/tempMetric.go

@@ -3,14 +3,14 @@ package collectors
 import (
 	"encoding/json"
 	"fmt"
-	"os"
+	"io/ioutil"
 	"path/filepath"
 	"strconv"
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 // See: https://www.kernel.org/doc/html/latest/hwmon/sysfs-interface.html
@@ -83,14 +83,14 @@ func (m *TempCollector) Init(config json.RawMessage) error {
 
 		// sensor name
 		nameFile := filepath.Join(filepath.Dir(file), "name")
-		name, err := os.ReadFile(nameFile)
+		name, err := ioutil.ReadFile(nameFile)
 		if err == nil {
 			sensor.name = strings.TrimSpace(string(name))
 		}
 
 		// sensor label
 		labelFile := strings.TrimSuffix(file, "_input") + "_label"
-		label, err := os.ReadFile(labelFile)
+		label, err := ioutil.ReadFile(labelFile)
 		if err == nil {
 			sensor.label = strings.TrimSpace(string(label))
 		}
@@ -117,7 +117,7 @@ func (m *TempCollector) Init(config json.RawMessage) error {
 		}
 
 		// Sensor file
-		_, err = os.ReadFile(file)
+		_, err = ioutil.ReadFile(file)
 		if err != nil {
 			continue
 		}
@@ -139,7 +139,7 @@ func (m *TempCollector) Init(config json.RawMessage) error {
 		// max temperature
 		if m.config.ReportMaxTemp {
 			maxTempFile := strings.TrimSuffix(file, "_input") + "_max"
-			if buffer, err := os.ReadFile(maxTempFile); err == nil {
+			if buffer, err := ioutil.ReadFile(maxTempFile); err == nil {
 				if x, err := strconv.ParseInt(strings.TrimSpace(string(buffer)), 10, 64); err == nil {
 					sensor.maxTempName = strings.Replace(sensor.metricName, "temp", "max_temp", 1)
 					sensor.maxTemp = x / 1000
@@ -150,7 +150,7 @@ func (m *TempCollector) Init(config json.RawMessage) error {
 		// critical temperature
 		if m.config.ReportCriticalTemp {
 			criticalTempFile := strings.TrimSuffix(file, "_input") + "_crit"
-			if buffer, err := os.ReadFile(criticalTempFile); err == nil {
+			if buffer, err := ioutil.ReadFile(criticalTempFile); err == nil {
 				if x, err := strconv.ParseInt(strings.TrimSpace(string(buffer)), 10, 64); err == nil {
 					sensor.critTempName = strings.Replace(sensor.metricName, "temp", "crit_temp", 1)
 					sensor.critTemp = x / 1000
@@ -175,7 +175,7 @@ func (m *TempCollector) Read(interval time.Duration, output chan lp.CCMetric) {
 
 	for _, sensor := range m.sensors {
 		// Read sensor file
-		buffer, err := os.ReadFile(sensor.file)
+		buffer, err := ioutil.ReadFile(sensor.file)
 		if err != nil {
 			cclog.ComponentError(
 				m.name,

collectors/topprocsMetric.go

@@ -9,7 +9,7 @@ import (
 	"strings"
 	"time"
 
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 const MAX_NUM_PROCS = 10

docs/building.md

@@ -1,60 +0,0 @@
-# Building the cc-metric-collector
-
-In most cases, a simple `make` in the main folder is enough to get a `cc-metric-collector` binary. It is basically a `go build` but some collectors require additional tasks. There is currently no Golang interface to LIKWID, so it uses `cgo` to create bindings but `cgo` requires the LIKWID header files. Therefore, it checks whether LIKWID is installed and if not it downloads LIKWID and copies the headers.
-
-## System integration
-
-The main configuration settings for system integration are pre-defined in `scripts/cc-metric-collector.config`. The file contains the UNIX user and group used for execution, the PID file location and other settings. Adjust it accordingly and copy it to `/etc/default/cc-metric-collector`
-
-```bash
-$ install --mode 644 \
-          --owner $CC_USER \
-          --group $CC_GROUP \
-          scripts/cc-metric-collector.config /etc/default/cc-metric-collector
-$ edit /etc/default/cc-metric-collector
-```
-
-### SysVinit and similar
-
-If you are using a init system based in `/etc/init.d` daemons, you can use the sample `scripts/cc-metric-collector.init`. It reads the basic configuration from `/etc/default/cc-metric-collector`
-
-```bash
-$ install --mode 755 \
-          --owner $CC_USER \
-          --group $CC_GROUP \
-          scripts/cc-metric-collector.init /etc/init.d/cc-metric-collector
-```
-
-### Systemd
-
-If you are using `systemd` as init system, you can use the sample systemd service file `scripts/cc-metric-collector.service`, the configuration file `scripts/cc-metric-collector.config`.
-
-```bash
-$ install --mode 644  \
-          --owner $CC_USER \
-          --group $CC_GROUP \
-           scripts/cc-metric-collector.service /etc/systemd/system/cc-metric-collector.service
-$ systemctl enable cc-metric-collector
-```
-
-## RPM
-
-In order to get a RPM packages for cc-metric-collector, just use:
-
-```bash
-$ make RPM
-```
-
-It uses the RPM SPEC file `scripts/cc-metric-collector.spec` and requires the RPM tools (`rpm` and `rpmspec`) and `git`.
-
-## DEB
-
-In order to get very simple Debian packages for cc-metric-collector, just use:
-
-```bash
-$ make DEB
-```
-
-It uses the DEB control file `scripts/cc-metric-collector.control` and requires `dpkg-deb`, `awk`, `sed` and `git`. It creates only a binary deb package.
-
-_This option is not well tested and therefore experimental_

docs/introduction.md

@@ -1,23 +0,0 @@
-# The ClusterCockpit Project
-
-The ClusterCockpit project is a joined project of computing centers in Europe to set up a cluster monitoring stack for small to mid-sized computing centers under the lead of NHR@FAU.
-
-# The ClusterCockpit Stack
-
-In cluster environment, there are commonly a lot of systems dedicated for computation, backend servers for file systems and frontend servers for the user interaction and cluster control. The ClusterCockpit Stack is mainly used for monitoring the compute systems with some interaction to the frontend servers. It consists of multiple components:
-
-- cc-metric-collector: Monitor resource usage on the compute systems
-- cc-metric-store: In-memory database
-- cc-backend & cc-frontend: The web-based visualizer
-
-# CC Metric Collector
-
-The CC Metric Collector project was started to provide a useful set of metrics for HPC and data science related compute systems. It runs as a system daemon and gathers system data periodically to forward the metrics to one or more databases. One of the provided backends can be used for the cc-metric-store but many others exist like InfluxDB time-series databases, the Ganglia Monitoring System or the Prometheus Monitoring System.
-
-The data is gathered by so-called "Collectors", forwarded to an internal router for on-the-fly manipulation (tagging, aggregation, ...) which pushes the metrics to the different metric writers called "Sinks". There is a forth component, the "Receivers", which receive data through some networking system like a HTTP server at any time.
-
-# CC Metric Store
-The CC Metric Store is a data management system with short-term in-memory and long-term file-base metric storage.
-
-# CC Backend and CC Frontend
-The CC Backend and Frontend form together the web interface for ClusterCockpit.

go.mod

@@ -1,40 +1,35 @@
 module github.com/ClusterCockpit/cc-metric-collector
 
-go 1.18
+go 1.17
 
 require (
-	github.com/ClusterCockpit/cc-units v0.3.0
-	github.com/ClusterCockpit/go-rocm-smi v0.3.0
+	github.com/ClusterCockpit/cc-units v0.0.0-20220318130935-92a0c6442220
 	github.com/NVIDIA/go-nvml v0.11.6-0
-	github.com/PaesslerAG/gval v1.2.0
+	github.com/PaesslerAG/gval v1.1.2
 	github.com/gorilla/mux v1.8.0
-	github.com/influxdata/influxdb-client-go/v2 v2.9.1
+	github.com/influxdata/influxdb-client-go/v2 v2.8.1
 	github.com/influxdata/line-protocol v0.0.0-20210922203350-b1ad95c89adf
-	github.com/nats-io/nats.go v1.16.0
-	github.com/prometheus/client_golang v1.12.2
+	github.com/nats-io/nats.go v1.14.0
+	github.com/prometheus/client_golang v1.12.1
 	github.com/stmcginnis/gofish v0.13.0
-	github.com/tklauser/go-sysconf v0.3.10
-	golang.org/x/sys v0.0.0-20220712014510-0a85c31ab51e
+	golang.org/x/sys v0.0.0-20220412211240-33da011f77ad
 )
 
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.1.2 // indirect
-	github.com/deepmap/oapi-codegen v1.11.0 // indirect
+	github.com/deepmap/oapi-codegen v1.8.2 // indirect
 	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/google/uuid v1.3.0 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
-	github.com/nats-io/nats-server/v2 v2.8.4 // indirect
+	github.com/nats-io/nats-server/v2 v2.8.0 // indirect
 	github.com/nats-io/nkeys v0.3.0 // indirect
 	github.com/nats-io/nuid v1.0.1 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/prometheus/client_model v0.2.0 // indirect
-	github.com/prometheus/common v0.37.0 // indirect
+	github.com/prometheus/common v0.32.1 // indirect
 	github.com/prometheus/procfs v0.7.3 // indirect
-	github.com/shopspring/decimal v1.3.1 // indirect
-	github.com/tklauser/numcpus v0.4.0 // indirect
-	golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d // indirect
-	golang.org/x/net v0.0.0-20220708220712-1185a9018129 // indirect
-	google.golang.org/protobuf v1.28.0 // indirect
+	golang.org/x/crypto v0.0.0-20220112180741-5e0467b6c7ce // indirect
+	golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2 // indirect
+	google.golang.org/protobuf v1.26.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 )

go.mod.1.16

@@ -0,0 +1,16 @@
+module github.com/ClusterCockpit/cc-metric-collector
+
+go 1.16
+
+require (
+	github.com/NVIDIA/go-nvml v0.11.6-0
+	github.com/PaesslerAG/gval v1.1.2
+	github.com/gorilla/mux v1.8.0
+	github.com/influxdata/influxdb-client-go/v2 v2.7.0
+	github.com/influxdata/line-protocol v0.0.0-20210922203350-b1ad95c89adf
+	github.com/nats-io/nats-server/v2 v2.8.0 // indirect
+	github.com/nats-io/nats.go v1.14.0
+	github.com/prometheus/client_golang v1.12.1
+	github.com/stmcginnis/gofish v0.13.0
+	golang.org/x/sys v0.0.0-20220412211240-33da011f77ad
+)

go.mod.1.17+

@@ -0,0 +1,16 @@
+module github.com/ClusterCockpit/cc-metric-collector
+
+go 1.17
+
+require (
+	github.com/NVIDIA/go-nvml v0.11.6-0
+	github.com/PaesslerAG/gval v1.1.2
+	github.com/gorilla/mux v1.8.0
+	github.com/influxdata/influxdb-client-go/v2 v2.8.1
+	github.com/influxdata/line-protocol v0.0.0-20210922203350-b1ad95c89adf
+	github.com/nats-io/nats-server/v2 v2.8.0 // indirect
+	github.com/nats-io/nats.go v1.14.0
+	github.com/prometheus/client_golang v1.12.1
+	github.com/stmcginnis/gofish v0.13.0
+	golang.org/x/sys v0.0.0-20220412211240-33da011f77ad
+)

go.sum

@@ -1,624 +1,145 @@
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-cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
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-google.golang.org/genproto v0.0.0-20200618031413-b414f8b61790/go.mod h1:jDfRM7FcilCzHH/e9qn6dsT145K34l5v+OpcnNgKAAA=
-google.golang.org/genproto v0.0.0-20200729003335-053ba62fc06f/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20200804131852-c06518451d9c/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/genproto v0.0.0-20200825200019-8632dd797987/go.mod h1:FWY/as6DDZQgahTzZj3fqbO1CbirC29ZNUFHwi0/+no=
-google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
-google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
-google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
-google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
-google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
-google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
-google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
-google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
 google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miEFZTKqfCUM6K7xSMQL9OKL/b6hQv+e19PK+JZNE=
 google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
-google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
-google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw=
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+google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
+google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+gopkg.in/Knetic/govaluate.v2 v2.3.0 h1:naJVc9CZlWA8rC8f5mvECJD7jreTrn7FvGXjBthkHJQ=
+gopkg.in/Knetic/govaluate.v2 v2.3.0/go.mod h1:NW0gr10J8s7aNghEg6uhdxiEaBvc0+8VgJjVViHUKp4=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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internal/ccMetric/README.md

@@ -0,0 +1,32 @@
+# ClusterCockpit metrics
+
+As described in the [ClusterCockpit specifications](https://github.com/ClusterCockpit/cc-specifications), the whole ClusterCockpit stack uses metrics in the InfluxDB line protocol format. This is also the input and output format for the ClusterCockpit Metric Collector but internally it uses an extended format while processing, named CCMetric.
+
+It is basically a copy of the [InfluxDB line protocol](https://github.com/influxdata/line-protocol) `MutableMetric` interface with one extension. Besides the tags and fields, it contains a list of meta information (re-using the `Tag` structure of the original protocol):
+
+```golang
+type ccMetric struct {
+    name   string            // same as
+    tags   []*influx.Tag     // original
+    fields []*influx.Field   // Influx
+    tm     time.Time         // line-protocol
+    meta   []*influx.Tag
+}
+
+type CCMetric interface {
+    influx.MutableMetric        // the same functions as defined by influx.MutableMetric
+    RemoveTag(key string)       // this is not published by the original influx.MutableMetric
+    Meta() map[string]string
+    MetaList() []*inlux.Tag
+    AddMeta(key, value string)
+    HasMeta(key string) bool
+    GetMeta(key string) (string, bool)
+    RemoveMeta(key string)
+}
+```
+
+The `CCMetric` interface provides the same functions as the `MutableMetric` like `{Add, Remove, Has}{Tag, Field}` and additionally provides `{Add, Remove, Has}Meta`.
+
+The InfluxDB protocol creates a new metric with `influx.New(name, tags, fields, time)` while CCMetric uses `ccMetric.New(name, tags, meta, fields, time)` where `tags` and `meta` are both of type `map[string]string`.
+
+You can copy a CCMetric with `FromMetric(other CCMetric) CCMetric`. If you get an `influx.Metric` from a function, like the line protocol parser, you can use `FromInfluxMetric(other influx.Metric) CCMetric` to get a CCMetric out of it (see `NatsReceiver` for an example).

internal/ccMetric/ccMetric.go

@@ -50,7 +50,6 @@ type CCMetric interface {
 	GetField(key string) (value interface{}, ok bool) // Get a field addressed by its key
 	HasField(key string) (ok bool)                    // Check if a field key is present
 	RemoveField(key string)                           // Remove a field addressed by its key
-	String() string                                   // Return line-protocol like string
 }
 
 // String implements the stringer interface for data type ccMetric
@@ -218,26 +217,23 @@ func New(
 }
 
 // FromMetric copies the metric <other>
-func FromMetric(other CCMetric) CCMetric {
-	otags := other.Tags()
-	ometa := other.Meta()
-	ofields := other.Fields()
+func FromMetric(other ccMetric) CCMetric {
 	m := &ccMetric{
 		name:   other.Name(),
-		tags:   make(map[string]string, len(otags)),
-		meta:   make(map[string]string, len(ometa)),
-		fields: make(map[string]interface{}, len(ofields)),
+		tags:   make(map[string]string, len(other.tags)),
+		meta:   make(map[string]string, len(other.meta)),
+		fields: make(map[string]interface{}, len(other.fields)),
 		tm:     other.Time(),
 	}
 
 	// deep copy tags, meta data tags and fields
-	for key, value := range otags {
+	for key, value := range other.tags {
 		m.tags[key] = value
 	}
-	for key, value := range ometa {
+	for key, value := range other.meta {
 		m.meta[key] = value
 	}
-	for key, value := range ofields {
+	for key, value := range other.fields {
 		m.fields[key] = value
 	}
 	return m

internal/ccTopology/ccTopology.go

@@ -10,7 +10,7 @@ import (
 	"strconv"
 	"strings"
 
-	cclogger "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
+	cclogger "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
 )
 
 const SYSFS_NUMABASE = `/sys/devices/system/node`

internal/metricAggregator/metricAggregator.go

@@ -9,10 +9,10 @@ import (
 	"sync"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
 
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
-	topo "github.com/ClusterCockpit/cc-metric-collector/pkg/ccTopology"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
+	topo "github.com/ClusterCockpit/cc-metric-collector/internal/ccTopology"
 
 	"github.com/PaesslerAG/gval"
 )

internal/metricAggregator/metricAggregatorFunctions.go

@@ -8,8 +8,8 @@ import (
 	"sort"
 	"strings"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	topo "github.com/ClusterCockpit/cc-metric-collector/pkg/ccTopology"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	topo "github.com/ClusterCockpit/cc-metric-collector/internal/ccTopology"
 )
 
 /*

internal/metricRouter/metricCache.go

@@ -4,11 +4,11 @@ import (
 	"sync"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
 
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 	agg "github.com/ClusterCockpit/cc-metric-collector/internal/metricAggregator"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
-	mct "github.com/ClusterCockpit/cc-metric-collector/pkg/multiChanTicker"
+	mct "github.com/ClusterCockpit/cc-metric-collector/internal/multiChanTicker"
 )
 
 type metricCachePeriod struct {

internal/metricRouter/metricRouter.go

@@ -7,11 +7,11 @@ import (
 	"sync"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
 
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 	agg "github.com/ClusterCockpit/cc-metric-collector/internal/metricAggregator"
-	mct "github.com/ClusterCockpit/cc-metric-collector/pkg/multiChanTicker"
+	mct "github.com/ClusterCockpit/cc-metric-collector/internal/multiChanTicker"
 	units "github.com/ClusterCockpit/cc-units"
 )
 
@@ -281,9 +281,7 @@ func (r *metricRouter) Start() {
 	// Foward message received from collector channel
 	coll_forward := func(p lp.CCMetric) {
 		// receive from metric collector
-		if !p.HasTag(r.config.HostnameTagName) {
-			p.AddTag(r.config.HostnameTagName, r.hostname)
-		}
+		p.AddTag(r.config.HostnameTagName, r.hostname)
 		if r.config.IntervalStamp {
 			p.SetTime(r.timestamp)
 		}
@@ -312,9 +310,7 @@ func (r *metricRouter) Start() {
 	cache_forward := func(p lp.CCMetric) {
 		// receive from metric collector
 		if !r.dropMetric(p) {
-			if !p.HasTag(r.config.HostnameTagName) {
-				p.AddTag(r.config.HostnameTagName, r.hostname)
-			}
+			p.AddTag(r.config.HostnameTagName, r.hostname)
 			forward(p)
 		}
 	}

internal/multiChanTicker/multiChanTicker.go

@@ -3,7 +3,7 @@ package multiChanTicker
 import (
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
 )
 
 type multiChanTicker struct {

pkg/ccMetric/README.md

@@ -1,57 +0,0 @@
-# ClusterCockpit metrics
-
-As described in the [ClusterCockpit specifications](https://github.com/ClusterCockpit/cc-specifications), the whole ClusterCockpit stack uses metrics in the InfluxDB line protocol format. This is also the input and output format for the ClusterCockpit Metric Collector but internally it uses an extended format while processing, named CCMetric.
-
-It is basically a copy of the [InfluxDB line protocol](https://github.com/influxdata/line-protocol) `MutableMetric` interface with one extension. Besides the tags and fields, it contains a list of meta information (re-using the `Tag` structure of the original protocol):
-
-```golang
-type ccMetric struct {
-    name   string                 // Measurement name
-    meta   map[string]string      // map of meta data tags
-    tags   map[string]string      // map of of tags
-    fields map[string]interface{} // map of of fields
-    tm     time.Time              // timestamp
-}
-
-type CCMetric interface {
-    ToPoint(metaAsTags map[string]bool) *write.Point  // Generate influxDB point for data type ccMetric
-    ToLineProtocol(metaAsTags map[string]bool) string // Generate influxDB line protocol for data type ccMetric
-    String() string                                   // Return line-protocol like string
-
-    Name() string        // Get metric name
-    SetName(name string) // Set metric name
-
-    Time() time.Time     // Get timestamp
-    SetTime(t time.Time) // Set timestamp
-
-    Tags() map[string]string                   // Map of tags
-    AddTag(key, value string)                  // Add a tag
-    GetTag(key string) (value string, ok bool) // Get a tag by its key
-    HasTag(key string) (ok bool)               // Check if a tag key is present
-    RemoveTag(key string)                      // Remove a tag by its key
-
-    Meta() map[string]string                    // Map of meta data tags
-    AddMeta(key, value string)                  // Add a meta data tag
-    GetMeta(key string) (value string, ok bool) // Get a meta data tab addressed by its key
-    HasMeta(key string) (ok bool)               // Check if a meta data key is present
-    RemoveMeta(key string)                      // Remove a meta data tag by its key
-
-    Fields() map[string]interface{}                   // Map of fields
-    AddField(key string, value interface{})           // Add a field
-    GetField(key string) (value interface{}, ok bool) // Get a field addressed by its key
-    HasField(key string) (ok bool)                    // Check if a field key is present
-    RemoveField(key string)                           // Remove a field addressed by its key
-}
-
-func New(name string, tags map[string]string, meta map[string]string, fields map[string]interface{}, tm time.Time) (CCMetric, error)
-func FromMetric(other CCMetric) CCMetric
-func FromInfluxMetric(other lp.Metric) CCMetric
-```
-
-The `CCMetric` interface provides the same functions as the `MutableMetric` like `{Add, Get, Remove, Has}{Tag, Field}` and additionally provides `{Add, Get, Remove, Has}Meta`.
-
-The InfluxDB protocol creates a new metric with `influx.New(name, tags, fields, time)` while CCMetric uses `ccMetric.New(name, tags, meta, fields, time)` where `tags` and `meta` are both of type `map[string]string`.
-
-You can copy a CCMetric with `FromMetric(other CCMetric) CCMetric`. If you get an `influx.Metric` from a function, like the line protocol parser, you can use `FromInfluxMetric(other influx.Metric) CCMetric` to get a CCMetric out of it (see `NatsReceiver` for an example).
-
-Although the [cc-specifications](https://github.com/ClusterCockpit/cc-specifications/blob/master/interfaces/lineprotocol/README.md) defines that there is only a `value` field for the metric value, the CCMetric still can have multiple values similar to the InfluxDB line protocol.

receivers/httpReceiver.go

@@ -5,13 +5,13 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"io"
+	"io/ioutil"
 	"net/http"
 	"strings"
 	"sync"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 	"github.com/gorilla/mux"
 	influx "github.com/influxdata/line-protocol"
 )
@@ -84,7 +84,7 @@ func (r *HttpReceiver) ServerHttp(w http.ResponseWriter, req *http.Request) {
 		return
 	}
 
-	body, err := io.ReadAll(req.Body)
+	body, err := ioutil.ReadAll(req.Body)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusInternalServerError)
 		return

receivers/metricReceiver.go

@@ -1,7 +1,7 @@
 package receivers
 
 import (
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 type defaultReceiverConfig struct {

receivers/natsReceiver.go

@@ -6,8 +6,8 @@ import (
 	"fmt"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 	influx "github.com/influxdata/line-protocol"
 	nats "github.com/nats-io/nats.go"
 )

receivers/prometheusReceiver.go

@@ -12,8 +12,8 @@ import (
 	"sync"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 type PrometheusReceiverConfig struct {

receivers/receiveManager.go

@@ -5,8 +5,8 @@ import (
 	"os"
 	"sync"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 var AvailableReceivers = map[string]func(name string, config json.RawMessage) (Receiver, error){

receivers/redfishReceiver.md

@@ -1,54 +0,0 @@
-## Redfish receiver
-
-The Redfish receiver uses the [Redfish (specification)](https://www.dmtf.org/standards/redfish) to query thermal and power metrics. Thermal metrics may include various fan speeds and temperatures. Power metrics may include the current power consumption of various hardware components. It may also include the minimum, maximum and average power consumption of these components in a given time interval. The receiver will poll each configured redfish device once in a given interval. Multiple devices can be accessed in parallel to increase throughput.
-
-### Configuration structure
-
-```json
-{
-    "<redfish receiver name>": {
-        "type": "redfish",
-        "username": "<user A>",
-        "password": "<password A>",
-        "endpoint": "https://%h-bmc",
-        "exclude_metrics": [ "min_consumed_watts" ],
-        "client_config": [
-            {
-                "host_list": [ "<host 1>", "<host 2>" ]
-            },
-            {
-                "host_list": [ "<host 3>", "<host 4>" ]
-                "disable_power_metrics": true
-            },
-            {
-                "host_list": [ "<host 5>" ],
-                "username": "<user B>",
-                "password": "<password B>",
-                "endpoint": "https://%h-BMC",
-                "disable_thermal_metrics": true
-            }
-        ]
-    }
-}
-```
-
-Global settings:
-
-- `fanout`: Maximum number of simultaneous redfish connections (default: 64)
-- `interval`: How often the redfish power metrics should be read and send to the sink (default: 30 s)
-- `http_insecure`: Control whether a client verifies the server's certificate (default: true == do not verify server's certificate)
-- `http_timeout`: Time limit for requests made by this HTTP client (default: 10 s)
-
-Global and per redfish device settings (per redfish device settings overwrite the global settings):
-
-- `disable_power_metrics`: disable collection of power metrics
-- `disable_processor_metrics`: disable collection of processor metrics
-- `disable_thermal_metrics`: disable collection of thermal metrics
-- `exclude_metrics`: list of excluded metrics
-- `username`: User name to authenticate with
-- `password`: Password to use for authentication
-- `endpoint`: URL of the redfish service (placeholder `%h` gets replaced by the hostname)
-
-Per redfish device settings:
-
-- `host_list`: List of hosts with the same client configuration

receivers/sampleReceiver.go

@@ -4,7 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
 )
 
 // SampleReceiver configuration: receiver type, listen address, port

scripts/cc-metric-collector.config

@@ -6,7 +6,7 @@ CC_HOME=/tmp
 
 LOG_DIR=/var/log
 
-DATA_DIR=/var/lib/cc-metric-collector
+DATA_DIR=/var/lib/grafana
 
 MAX_OPEN_FILES=10000
 

scripts/cc-metric-collector.deb.rules

@@ -1,16 +0,0 @@
-
-#!/usr/bin/make -f
-# You must remove unused comment lines for the released package.
-#export DH_VERBOSE = 1
-#export DEB_BUILD_MAINT_OPTIONS = hardening=+all
-#export DEB_CFLAGS_MAINT_APPEND  = -Wall -pedantic
-#export DEB_LDFLAGS_MAINT_APPEND = -Wl,--as-needed
-
-%:
-        dh $@
-
-override_dh_auto_build:
-        make
-
-override_dh_auto_install:
-        make PREFIX=/usr install

scripts/cc-metric-collector.init

@@ -19,7 +19,7 @@
 PATH=/bin:/usr/bin:/sbin:/usr/sbin
 NAME=cc-metric-collector
 DESC="ClusterCockpit metric collector"
-DEFAULT=/etc/default/${NAME}
+DEFAULT=/etc/default/${NAME}.json
 
 CC_USER=clustercockpit
 CC_GROUP=clustercockpit

sinks/gangliaCommon.go

@@ -4,7 +4,7 @@ import (
 	"fmt"
 	"strings"
 
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 func GangliaMetricName(point lp.CCMetric) string {

sinks/gangliaSink.go

@@ -9,8 +9,8 @@ import (
 	//	"time"
 	"os/exec"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 const GMETRIC_EXEC = `gmetric`

sinks/httpSink.go

@@ -9,8 +9,8 @@ import (
 	"sync"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 	influx "github.com/influxdata/line-protocol"
 )
 

sinks/influxAsyncSink.go

@@ -9,8 +9,8 @@ import (
 	"strings"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 	influxdb2 "github.com/influxdata/influxdb-client-go/v2"
 	influxdb2Api "github.com/influxdata/influxdb-client-go/v2/api"
 	influxdb2ApiHttp "github.com/influxdata/influxdb-client-go/v2/api/http"

sinks/influxSink.go

@@ -9,8 +9,8 @@ import (
 	"sync"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 	influxdb2 "github.com/influxdata/influxdb-client-go/v2"
 	influxdb2Api "github.com/influxdata/influxdb-client-go/v2/api"
 	"github.com/influxdata/influxdb-client-go/v2/api/write"
@@ -29,23 +29,15 @@ type InfluxSink struct {
 		Password     string `json:"password,omitempty"`
 		Organization string `json:"organization,omitempty"`
 		SSL          bool   `json:"ssl,omitempty"`
-		// Maximum number of points sent to server in single request.
-		// Default: 1000
+		// Maximum number of points sent to server in single request. Default 100
 		BatchSize int `json:"batch_size,omitempty"`
-		// Time interval for delayed sending of metrics.
-		// If the buffers are already filled before the end of this interval,
-		// the metrics are sent without further delay.
-		// Default: 1s
+		// Interval, in which is buffer flushed if it has not been already written (by reaching batch size). Default 1s
 		FlushInterval string `json:"flush_delay,omitempty"`
-		// Number of metrics that are dropped when buffer is full
-		// Default: 100
-		DropRate int `json:"drop_rate,omitempty"`
 	}
-	batch           []*write.Point
-	flushTimer      *time.Timer
-	flushDelay      time.Duration
-	batchMutex      sync.Mutex // Flush() runs in another goroutine, so this lock has to protect the buffer
-	flushTimerMutex sync.Mutex // Ensure only one flush timer is running
+	batch      []*write.Point
+	flushTimer *time.Timer
+	flushDelay time.Duration
+	lock       sync.Mutex // Flush() runs in another goroutine, so this lock has to protect the buffer
 }
 
 // connect connects to the InfluxDB server
@@ -70,10 +62,7 @@ func (s *InfluxSink) connect() error {
 	} else {
 		auth = fmt.Sprintf("%s:%s", s.config.User, s.config.Password)
 	}
-	cclog.ComponentDebug(s.name,
-		"Using URI='"+uri+"'",
-		"Org='"+s.config.Organization+"'",
-		"Bucket='"+s.config.Database+"'")
+	cclog.ComponentDebug(s.name, "Using URI", uri, "Org", s.config.Organization, "Bucket", s.config.Database)
 
 	// Set influxDB client options
 	clientOptions := influxdb2.DefaultOptions()
@@ -104,64 +93,47 @@ func (s *InfluxSink) connect() error {
 
 func (s *InfluxSink) Write(m lp.CCMetric) error {
 
-	if s.flushDelay != 0 && s.flushTimerMutex.TryLock() {
-		// Run a batched flush for all metrics that arrived in the last flush delay interval
-		cclog.ComponentDebug(s.name, "Starting new flush timer")
+	if len(s.batch) == 0 && s.flushDelay != 0 {
+		// This is the first write since the last flush, start the flushTimer!
+		if s.flushTimer != nil && s.flushTimer.Stop() {
+			cclog.ComponentDebug(s.name, "unexpected: the flushTimer was already running?")
+		}
+
+		// Run a batched flush for all lines that have arrived in the last flush delay interval
 		s.flushTimer = time.AfterFunc(
 			s.flushDelay,
 			func() {
-				defer s.flushTimerMutex.Unlock()
-				cclog.ComponentDebug(s.name, "Starting flush in flush timer")
 				if err := s.Flush(); err != nil {
-					cclog.ComponentError(s.name, "Flush timer: flush failed:", err)
+					cclog.ComponentError(s.name, "flush failed:", err.Error())
 				}
 			})
 	}
 
-	// Lock access to batch slice
-	s.batchMutex.Lock()
-
-	// batch slice full, dropping oldest metric(s)
-	// e.g. when previous flushes failed and batch slice was not cleared
-	if len(s.batch) == s.config.BatchSize {
-		newSize := s.config.BatchSize - s.config.DropRate
-
-		for i := 0; i < newSize; i++ {
-			s.batch[i] = s.batch[i+s.config.DropRate]
-		}
-		for i := newSize; i < s.config.BatchSize; i++ {
-			s.batch[i] = nil
-		}
-		s.batch = s.batch[:newSize]
-		cclog.ComponentError(s.name, "Batch slice full, dropping", s.config.DropRate, "oldest metric(s)")
-	}
-
 	// Append metric to batch slice
 	p := m.ToPoint(s.meta_as_tags)
+	s.lock.Lock()
 	s.batch = append(s.batch, p)
+	s.lock.Unlock()
 
 	// Flush synchronously if "flush_delay" is zero
-	// or
-	// Flush if batch size is reached
-	if s.flushDelay == 0 ||
-		len(s.batch) == s.config.BatchSize {
-		// Unlock access to batch slice
-		s.batchMutex.Unlock()
+	if s.flushDelay == 0 {
+		return s.Flush()
+	}
+
+	// Flush if batch size is reached
+	if len(s.batch) == s.config.BatchSize {
 		return s.Flush()
 	}
 
-	// Unlock access to batch slice
-	s.batchMutex.Unlock()
 	return nil
 }
 
 // Flush sends all metrics buffered in batch slice to InfluxDB server
 func (s *InfluxSink) Flush() error {
-	cclog.ComponentDebug(s.name, "Flushing")
 
 	// Lock access to batch slice
-	s.batchMutex.Lock()
-	defer s.batchMutex.Unlock()
+	s.lock.Lock()
+	defer s.lock.Unlock()
 
 	// Nothing to do, batch slice is empty
 	if len(s.batch) == 0 {
@@ -171,7 +143,7 @@ func (s *InfluxSink) Flush() error {
 	// Send metrics from batch slice
 	err := s.writeApi.WritePoint(context.Background(), s.batch...)
 	if err != nil {
-		cclog.ComponentError(s.name, "Flush(): Flush of", len(s.batch), "metrics failed:", err)
+		cclog.ComponentError(s.name, "flush failed:", err.Error())
 		return err
 	}
 
@@ -188,9 +160,6 @@ func (s *InfluxSink) Close() {
 	cclog.ComponentDebug(s.name, "Closing InfluxDB connection")
 	s.flushTimer.Stop()
 	s.Flush()
-	if err := s.Flush(); err != nil {
-		cclog.ComponentError(s.name, "Close(): Flush failed:", err)
-	}
 	s.client.Close()
 }
 
@@ -200,32 +169,31 @@ func NewInfluxSink(name string, config json.RawMessage) (Sink, error) {
 	s.name = fmt.Sprintf("InfluxSink(%s)", name)
 
 	// Set config default values
-	s.config.BatchSize = 1000
+	s.config.BatchSize = 100
 	s.config.FlushInterval = "1s"
-	s.config.DropRate = 100
 
 	// Read config
 	if len(config) > 0 {
 		err := json.Unmarshal(config, &s.config)
 		if err != nil {
-			return s, err
+			return nil, err
 		}
 	}
 
 	if len(s.config.Host) == 0 {
-		return s, errors.New("Missing host configuration required by InfluxSink")
+		return nil, errors.New("Missing host configuration required by InfluxSink")
 	}
 	if len(s.config.Port) == 0 {
-		return s, errors.New("Missing port configuration required by InfluxSink")
+		return nil, errors.New("Missing port configuration required by InfluxSink")
 	}
 	if len(s.config.Database) == 0 {
-		return s, errors.New("Missing database configuration required by InfluxSink")
+		return nil, errors.New("Missing database configuration required by InfluxSink")
 	}
 	if len(s.config.Organization) == 0 {
-		return s, errors.New("Missing organization configuration required by InfluxSink")
+		return nil, errors.New("Missing organization configuration required by InfluxSink")
 	}
 	if len(s.config.Password) == 0 {
-		return s, errors.New("Missing password configuration required by InfluxSink")
+		return nil, errors.New("Missing password configuration required by InfluxSink")
 	}
 
 	// Create lookup map to use meta infos as tags in the output metric
@@ -242,24 +210,12 @@ func NewInfluxSink(name string, config json.RawMessage) (Sink, error) {
 		}
 	}
 
-	if !(s.config.BatchSize > 0) {
-		return s, fmt.Errorf("batch_size=%d in InfluxDB config must be > 0", s.config.BatchSize)
-	}
-	if !(s.config.DropRate > 0) {
-		return s, fmt.Errorf("drop_rate=%d in InfluxDB config must be > 0", s.config.DropRate)
-	}
-	if !(s.config.BatchSize > s.config.DropRate) {
-		return s, fmt.Errorf(
-			"batch_size=%d must be greater then drop_rate=%d in InfluxDB config",
-			s.config.BatchSize, s.config.DropRate)
-	}
-
 	// allocate batch slice
 	s.batch = make([]*write.Point, 0, s.config.BatchSize)
 
 	// Connect to InfluxDB server
 	if err := s.connect(); err != nil {
-		return s, fmt.Errorf("unable to connect: %v", err)
+		return nil, fmt.Errorf("unable to connect: %v", err)
 	}
 	return s, nil
 }

sinks/libgangliaSink.go

@@ -71,8 +71,8 @@ import (
 	"fmt"
 	"unsafe"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 	"github.com/NVIDIA/go-nvml/pkg/dl"
 )
 

sinks/metricSink.go

@@ -1,7 +1,7 @@
 package sinks
 
 import (
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 type defaultSinkConfig struct {

sinks/natsSink.go

@@ -8,8 +8,8 @@ import (
 	"sync"
 	"time"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 	influx "github.com/influxdata/line-protocol"
 	nats "github.com/nats-io/nats.go"
 )

sinks/prometheusSink.go

@@ -9,8 +9,8 @@ import (
 	"strings"
 	"sync"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 	"github.com/gorilla/mux"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promhttp"

sinks/sampleSink.go

@@ -5,8 +5,8 @@ import (
 	"fmt"
 	"log"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 type SampleSinkConfig struct {

sinks/sinkManager.go

@@ -6,8 +6,8 @@ import (
 	"os"
 	"sync"
 
-	cclog "github.com/ClusterCockpit/cc-metric-collector/pkg/ccLogger"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 const SINK_MAX_FORWARD = 50
@@ -76,17 +76,11 @@ func (sm *sinkManager) Init(wg *sync.WaitGroup, sinkConfigFile string) error {
 	for name, raw := range rawConfigs {
 		err = sm.AddOutput(name, raw)
 		if err != nil {
-			cclog.ComponentError("SinkManager", err)
+			cclog.ComponentError("SinkManager", err.Error())
 			continue
 		}
 	}
 
-	// Check that at least one sink is running
-	if !(len(sm.sinks) > 0) {
-		cclog.ComponentError("SinkManager", "Found no usable sinks")
-		return fmt.Errorf("Found no usable sinks")
-	}
-
 	return nil
 }
 

sinks/stdoutSink.go

@@ -7,7 +7,7 @@ import (
 	"strings"
 
 	//	"time"
-	lp "github.com/ClusterCockpit/cc-metric-collector/pkg/ccMetric"
+	lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
 )
 
 type StdoutSink struct {