mirror of
https://github.com/ClusterCockpit/cc-metric-collector.git
synced 2024-09-19 23:17:26 +02:00
Beegfs collector (#50)
* added beegfs collectors to collectors/README.md * added beegfs collectors and docs * added new beegfs collectors to AvailableCollectors list * Feedback implemented * changed error type * changed error to only return * changed beegfs lookup path * fixed typo in md files Co-authored-by: Mehmet Soysal <mehmet.soysal@kit.edu>
This commit is contained in:
Mehmet Soysal
GitHub
parent
7f62975a68
commit
547bc0461f
@ -37,6 +37,8 @@ In contrast to the configuration files for sinks and receivers, the collectors c
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* [`cpufreq_cpuinfo`](./cpufreqCpuinfoMetric.md)
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* [`numastat`](./numastatMetric.md)
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* [`gpfs`](./gpfsMetric.md)
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* [`beegfs_meta`](./beegfsmetaMetric.md)
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* [`beegfs_storage`](./beegfsstorageMetric.md)
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## Todos
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229
collectors/beegfsmetaMetric.go
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229
collectors/beegfsmetaMetric.go
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@ -0,0 +1,229 @@
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package collectors
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import (
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"bufio"
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"bytes"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"os/user"
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"regexp"
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"strconv"
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"strings"
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"time"
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cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
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lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
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)
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const DEFAULT_BEEGFS_CMD = "beegfs-ctl"
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// Struct for the collector-specific JSON config
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type BeegfsMetaCollectorConfig struct {
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Beegfs string `json:"beegfs_path"`
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ExcludeMetrics []string `json:"exclude_metrics,omitempty"`
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ExcludeFilesystem []string `json:"exclude_filesystem"`
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}
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type BeegfsMetaCollector struct {
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metricCollector
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tags map[string]string
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matches map[string]string
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config BeegfsMetaCollectorConfig
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skipFS map[string]struct{}
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}
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func (m *BeegfsMetaCollector) Init(config json.RawMessage) error {
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// Check if already initialized
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if m.init {
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return nil
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}
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// Metrics
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var nodeMdstat_array = [39]string{
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"sum", "ack", "close", "entInf",
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"fndOwn", "mkdir", "create", "rddir",
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"refrEn", "mdsInf", "rmdir", "rmLnk",
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"mvDirIns", "mvFiIns", "open", "ren",
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"sChDrct", "sAttr", "sDirPat", "stat",
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"statfs", "trunc", "symlnk", "unlnk",
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"lookLI", "statLI", "revalLI", "openLI",
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"createLI", "hardlnk", "flckAp", "flckEn",
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"flckRg", "dirparent", "listXA", "getXA",
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"rmXA", "setXA", "mirror"}
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m.name = "BeegfsMetaCollector"
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m.setup()
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// Set default beegfs-ctl binary
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m.config.Beegfs = DEFAULT_BEEGFS_CMD
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// Read JSON configuration
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if len(config) > 0 {
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err := json.Unmarshal(config, &m.config)
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if err != nil {
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return err
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}
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}
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//create map with possible variables
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m.matches = make(map[string]string)
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for _, value := range nodeMdstat_array {
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_, skip := stringArrayContains(m.config.ExcludeMetrics, value)
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if skip {
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m.matches["other"] = "0"
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} else {
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m.matches["beegfs_cmeta_"+value] = "0"
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}
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}
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m.meta = map[string]string{
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"source": m.name,
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"group": "BeegfsMeta",
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}
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m.tags = map[string]string{
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"type": "node",
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"filesystem": "",
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}
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m.skipFS = make(map[string]struct{})
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for _, fs := range m.config.ExcludeFilesystem {
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m.skipFS[fs] = struct{}{}
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}
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// Beegfs file system statistics can only be queried by user root
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user, err := user.Current()
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if err != nil {
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return fmt.Errorf("BeegfsMetaCollector.Init(): Failed to get current user: %v", err)
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}
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if user.Uid != "0" {
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return fmt.Errorf("BeegfsMetaCollector.Init(): BeeGFS file system statistics can only be queried by user root")
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}
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// Check if beegfs-ctl is in executable search path
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_, err = exec.LookPath(m.config.Beegfs)
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if err != nil {
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return fmt.Errorf("BeegfsMetaCollector.Init(): Failed to find beegfs-ctl binary '%s': %v", m.config.Beegfs, err)
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}
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m.init = true
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return nil
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}
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func (m *BeegfsMetaCollector) Read(interval time.Duration, output chan lp.CCMetric) {
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if !m.init {
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return
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}
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//get mounpoint
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buffer, _ := ioutil.ReadFile(string("/proc/mounts"))
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mounts := strings.Split(string(buffer), "\n")
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var mountpoints []string
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for _, line := range mounts {
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if len(line) == 0 {
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continue
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}
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f := strings.Fields(line)
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if strings.Contains(f[0], "beegfs_ondemand") {
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// Skip excluded filesystems
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if _, skip := m.skipFS[f[1]]; skip {
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continue
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}
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mountpoints = append(mountpoints, f[1])
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}
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}
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if len(mountpoints) == 0 {
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return
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}
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for _, mountpoint := range mountpoints {
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m.tags["filesystem"] = mountpoint
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// bwwgfs-ctl:
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// --clientstats: Show client IO statistics.
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// --nodetype=meta: The node type to query (meta, storage).
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// --interval:
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// --mount=/mnt/beeond/: Which mount point
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//cmd := exec.Command(m.config.Beegfs, "/root/mc/test.txt")
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mountoption := "--mount=" + mountpoint
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cmd := exec.Command(m.config.Beegfs, "--clientstats",
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"--nodetype=meta", mountoption, "--allstats")
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cmd.Stdin = strings.NewReader("\n")
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cmdStdout := new(bytes.Buffer)
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cmdStderr := new(bytes.Buffer)
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cmd.Stdout = cmdStdout
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cmd.Stderr = cmdStderr
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err := cmd.Run()
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if err != nil {
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fmt.Fprintf(os.Stderr, "BeegfsMetaCollector.Read(): Failed to execute command \"%s\": %s\n", cmd.String(), err.Error())
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fmt.Fprintf(os.Stderr, "BeegfsMetaCollector.Read(): command exit code: \"%d\"\n", cmd.ProcessState.ExitCode())
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data, _ := ioutil.ReadAll(cmdStderr)
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fmt.Fprintf(os.Stderr, "BeegfsMetaCollector.Read(): command stderr: \"%s\"\n", string(data))
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data, _ = ioutil.ReadAll(cmdStdout)
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fmt.Fprintf(os.Stderr, "BeegfsMetaCollector.Read(): command stdout: \"%s\"\n", string(data))
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return
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}
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// Read I/O statistics
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scanner := bufio.NewScanner(cmdStdout)
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sumLine := regexp.MustCompile(`^Sum:\s+\d+\s+\[[a-zA-Z]+\]+`)
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//Line := regexp.MustCompile(`^(.*)\s+(\d)+\s+\[([a-zA-Z]+)\]+`)
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statsLine := regexp.MustCompile(`^(.*?)\s+?(\d.*?)$`)
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singleSpacePattern := regexp.MustCompile(`\s+`)
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removePattern := regexp.MustCompile(`[\[|\]]`)
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for scanner.Scan() {
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readLine := scanner.Text()
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//fmt.Println(readLine)
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// Jump few lines, we only want the I/O stats from nodes
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if !sumLine.MatchString(readLine) {
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continue
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}
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match := statsLine.FindStringSubmatch(readLine)
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// nodeName = "Sum:" or would be nodes
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// nodeName := match[1]
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//Remove multiple whitespaces
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dummy := removePattern.ReplaceAllString(match[2], " ")
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metaStats := strings.TrimSpace(singleSpacePattern.ReplaceAllString(dummy, " "))
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split := strings.Split(metaStats, " ")
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// fill map with values
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// split[i+1] = mdname
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// split[i] = amount of md operations
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for i := 0; i <= len(split)-1; i += 2 {
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if _, ok := m.matches[split[i+1]]; ok {
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m.matches["beegfs_cmeta_"+split[i+1]] = split[i]
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} else {
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f1, err := strconv.ParseFloat(m.matches["other"], 32)
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if err != nil {
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cclog.ComponentError(
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m.name,
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fmt.Sprintf("Metric (other): Failed to convert str written '%s' to float: %v", m.matches["other"], err))
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continue
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}
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f2, err := strconv.ParseFloat(split[i], 32)
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if err != nil {
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cclog.ComponentError(
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m.name,
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fmt.Sprintf("Metric (other): Failed to convert str written '%s' to float: %v", m.matches["other"], err))
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continue
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}
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//mdStat["other"] = fmt.Sprintf("%f", f1+f2)
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m.matches["beegfs_cstorage_other"] = fmt.Sprintf("%f", f1+f2)
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}
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}
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for key, data := range m.matches {
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value, _ := strconv.ParseFloat(data, 32)
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y, err := lp.New(key, m.tags, m.meta, map[string]interface{}{"value": value}, time.Now())
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if err == nil {
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output <- y
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}
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}
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}
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}
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}
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func (m *BeegfsMetaCollector) Close() {
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m.init = false
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}
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75
collectors/beegfsmetaMetric.md
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75
collectors/beegfsmetaMetric.md
Normal file
@ -0,0 +1,75 @@
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## `BeeGFS on Demand` collector
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This Collector is to collect BeeGFS on Demand (BeeOND) metadata clientstats.
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```json
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"beegfs_meta": {
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"beegfs_path": "/usr/bin/beegfs-ctl",
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"exclude_filesystem": [
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"/mnt/ignore_me"
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],
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"exclude_metrics": [
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"ack",
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"entInf",
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"fndOwn"
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]
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}
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```
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The `BeeGFS On Demand (BeeOND)` collector uses the `beegfs-ctl` command to read performance metrics for
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BeeGFS filesystems.
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The reported filesystems can be filtered with the `exclude_filesystem` option
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in the configuration.
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The path to the `beegfs-ctl` command can be configured with the `beegfs_path` option
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in the configuration.
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When using the `exclude_metrics` option, the excluded metrics are summed as `other`.
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Important: The metrics listed below, are similar to the naming of BeeGFS. The Collector prefixes these with `beegfs_cstorage`(beegfs client storage).
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For example beegfs metric `open`-> `beegfs_cstorage_open`
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Available Metrics:
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* sum
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* ack
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* close
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* entInf
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* fndOwn
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* mkdir
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* create
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* rddir
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* refrEnt
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* mdsInf
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* rmdir
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* rmLnk
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* mvDirIns
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* mvFiIns
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* open
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* ren
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* sChDrct
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* sAttr
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* sDirPat
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* stat
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* statfs
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* trunc
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* symlnk
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* unlnk
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* lookLI
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* statLI
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* revalLI
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* openLI
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* createLI
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* hardlnk
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* flckAp
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* flckEn
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* flckRg
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* dirparent
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* listXA
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* getXA
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* rmXA
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* setXA
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* mirror
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The collector adds a `filesystem` tag to all metrics
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221
collectors/beegfsstorageMetric.go
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221
collectors/beegfsstorageMetric.go
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@ -0,0 +1,221 @@
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package collectors
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import (
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"bufio"
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"bytes"
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"encoding/json"
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"os/user"
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"regexp"
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"strconv"
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"strings"
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"time"
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cclog "github.com/ClusterCockpit/cc-metric-collector/internal/ccLogger"
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lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
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)
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// Struct for the collector-specific JSON config
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type BeegfsStorageCollectorConfig struct {
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Beegfs string `json:"beegfs_path"`
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ExcludeMetrics []string `json:"exclude_metrics,omitempty"`
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ExcludeFilesystem []string `json:"exclude_filesystem"`
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}
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type BeegfsStorageCollector struct {
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metricCollector
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tags map[string]string
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matches map[string]string
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config BeegfsStorageCollectorConfig
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skipFS map[string]struct{}
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}
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func (m *BeegfsStorageCollector) Init(config json.RawMessage) error {
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// Check if already initialized
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if m.init {
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return nil
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}
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// Metrics
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var storageStat_array = [18]string{
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"sum", "ack", "sChDrct", "getFSize",
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"sAttr", "statfs", "trunc", "close",
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"fsync", "ops-rd", "MiB-rd/s", "ops-wr",
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"MiB-wr/s", "gendbg", "hrtbeat", "remNode",
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"storInf", "unlnk"}
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m.name = "BeegfsStorageCollector"
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m.setup()
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// Set default beegfs-ctl binary
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m.config.Beegfs = DEFAULT_BEEGFS_CMD
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// Read JSON configuration
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if len(config) > 0 {
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err := json.Unmarshal(config, &m.config)
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if err != nil {
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return err
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}
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}
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println(m.config.Beegfs)
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//create map with possible variables
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m.matches = make(map[string]string)
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for _, value := range storageStat_array {
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_, skip := stringArrayContains(m.config.ExcludeMetrics, value)
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if skip {
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m.matches["other"] = "0"
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} else {
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m.matches["beegfs_cstorage_"+value] = "0"
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}
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}
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m.meta = map[string]string{
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"source": m.name,
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"group": "BeegfsStorage",
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}
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m.tags = map[string]string{
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"type": "node",
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"filesystem": "",
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}
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m.skipFS = make(map[string]struct{})
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for _, fs := range m.config.ExcludeFilesystem {
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m.skipFS[fs] = struct{}{}
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}
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// Beegfs file system statistics can only be queried by user root
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user, err := user.Current()
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if err != nil {
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return fmt.Errorf("BeegfsStorageCollector.Init(): Failed to get current user: %v", err)
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}
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if user.Uid != "0" {
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return fmt.Errorf("BeegfsStorageCollector.Init(): BeeGFS file system statistics can only be queried by user root")
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}
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// Check if beegfs-ctl is in executable search path
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_, err = exec.LookPath(m.config.Beegfs)
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if err != nil {
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return fmt.Errorf("BeegfsStorageCollector.Init(): Failed to find beegfs-ctl binary '%s': %v", m.config.Beegfs, err)
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}
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m.init = true
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return nil
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}
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func (m *BeegfsStorageCollector) Read(interval time.Duration, output chan lp.CCMetric) {
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if !m.init {
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return
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}
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//get mounpoint
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buffer, _ := ioutil.ReadFile(string("/proc/mounts"))
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mounts := strings.Split(string(buffer), "\n")
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var mountpoints []string
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for _, line := range mounts {
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if len(line) == 0 {
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continue
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}
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f := strings.Fields(line)
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if strings.Contains(f[0], "beegfs_ondemand") {
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// Skip excluded filesystems
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if _, skip := m.skipFS[f[1]]; skip {
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continue
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}
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mountpoints = append(mountpoints, f[1])
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}
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}
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if len(mountpoints) == 0 {
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return
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}
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// collects stats for each BeeGFS on Demand FS
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for _, mountpoint := range mountpoints {
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m.tags["filesystem"] = mountpoint
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// bwwgfs-ctl:
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// --clientstats: Show client IO statistics.
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// --nodetype=meta: The node type to query (meta, storage).
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// --interval:
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// --mount=/mnt/beeond/: Which mount point
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//cmd := exec.Command(m.config.Beegfs, "/root/mc/test.txt")
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mountoption := "--mount=" + mountpoint
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cmd := exec.Command(m.config.Beegfs, "--clientstats",
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"--nodetype=storage", mountoption, "--allstats")
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cmd.Stdin = strings.NewReader("\n")
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cmdStdout := new(bytes.Buffer)
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cmdStderr := new(bytes.Buffer)
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cmd.Stdout = cmdStdout
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cmd.Stderr = cmdStderr
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err := cmd.Run()
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if err != nil {
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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, _ := ioutil.ReadAll(cmdStderr)
|
||||
fmt.Fprintf(os.Stderr, "BeegfsStorageCollector.Read(): command stderr: \"%s\"\n", string(data))
|
||||
data, _ = ioutil.ReadAll(cmdStdout)
|
||||
fmt.Fprintf(os.Stderr, "BeegfsStorageCollector.Read(): command stdout: \"%s\"\n", string(data))
|
||||
return
|
||||
}
|
||||
// Read I/O statistics
|
||||
scanner := bufio.NewScanner(cmdStdout)
|
||||
|
||||
sumLine := regexp.MustCompile(`^Sum:\s+\d+\s+\[[a-zA-Z]+\]+`)
|
||||
//Line := regexp.MustCompile(`^(.*)\s+(\d)+\s+\[([a-zA-Z]+)\]+`)
|
||||
statsLine := regexp.MustCompile(`^(.*?)\s+?(\d.*?)$`)
|
||||
singleSpacePattern := regexp.MustCompile(`\s+`)
|
||||
removePattern := regexp.MustCompile(`[\[|\]]`)
|
||||
|
||||
for scanner.Scan() {
|
||||
readLine := scanner.Text()
|
||||
//fmt.Println(readLine)
|
||||
// Jump few lines, we only want the I/O stats from nodes
|
||||
if !sumLine.MatchString(readLine) {
|
||||
continue
|
||||
}
|
||||
|
||||
match := statsLine.FindStringSubmatch(readLine)
|
||||
// nodeName = "Sum:" or would be nodes
|
||||
// nodeName := match[1]
|
||||
//Remove multiple whitespaces
|
||||
dummy := removePattern.ReplaceAllString(match[2], " ")
|
||||
metaStats := strings.TrimSpace(singleSpacePattern.ReplaceAllString(dummy, " "))
|
||||
split := strings.Split(metaStats, " ")
|
||||
|
||||
// fill map with values
|
||||
// split[i+1] = mdname
|
||||
// split[i] = amount of operations
|
||||
for i := 0; i <= len(split)-1; i += 2 {
|
||||
if _, ok := m.matches[split[i+1]]; ok {
|
||||
m.matches["beegfs_cstorage_"+split[i+1]] = split[i]
|
||||
//m.matches[split[i+1]] = split[i]
|
||||
} else {
|
||||
f1, err := strconv.ParseFloat(m.matches["other"], 32)
|
||||
if err != nil {
|
||||
cclog.ComponentError(
|
||||
m.name,
|
||||
fmt.Sprintf("Metric (other): Failed to convert str written '%s' to float: %v", m.matches["other"], err))
|
||||
continue
|
||||
}
|
||||
f2, err := strconv.ParseFloat(split[i], 32)
|
||||
if err != nil {
|
||||
cclog.ComponentError(
|
||||
m.name,
|
||||
fmt.Sprintf("Metric (other): Failed to convert str written '%s' to float: %v", m.matches["other"], err))
|
||||
continue
|
||||
}
|
||||
m.matches["beegfs_cstorage_other"] = fmt.Sprintf("%f", f1+f2)
|
||||
}
|
||||
}
|
||||
|
||||
for key, data := range m.matches {
|
||||
value, _ := strconv.ParseFloat(data, 32)
|
||||
y, err := lp.New(key, m.tags, m.meta, map[string]interface{}{"value": value}, time.Now())
|
||||
if err == nil {
|
||||
output <- y
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (m *BeegfsStorageCollector) Close() {
|
||||
m.init = false
|
||||
}
|
||||
55
collectors/beegfsstorageMetric.md
Normal file
55
collectors/beegfsstorageMetric.md
Normal file
@ -0,0 +1,55 @@
|
||||
## `BeeGFS on Demand` collector
|
||||
This Collector is to collect BeeGFS on Demand (BeeOND) storage stats.
|
||||
|
||||
```json
|
||||
"beegfs_storage": {
|
||||
"beegfs_path": "/usr/bin/beegfs-ctl",
|
||||
"exclude_filesystem": [
|
||||
"/mnt/ignore_me"
|
||||
],
|
||||
"exclude_metrics": [
|
||||
"ack",
|
||||
"storInf",
|
||||
"unlnk"
|
||||
]
|
||||
}
|
||||
```
|
||||
|
||||
The `BeeGFS On Demand (BeeOND)` collector uses the `beegfs-ctl` command to read performance metrics for BeeGFS filesystems.
|
||||
|
||||
The reported filesystems can be filtered with the `exclude_filesystem` option
|
||||
in the configuration.
|
||||
|
||||
The path to the `beegfs-ctl` command can be configured with the `beegfs_path` option
|
||||
in the configuration.
|
||||
|
||||
When using the `exclude_metrics` option, the excluded metrics are summed as `other`.
|
||||
|
||||
Important: The metrics listed below, are similar to the naming of BeeGFS. The Collector prefixes these with `beegfs_cstorage_`(beegfs client meta).
|
||||
For example beegfs metric `open`-> `beegfs_cstorage_`
|
||||
|
||||
Note: BeeGFS FS offers many Metadata Information. Probably it makes sense to exlcude most of them. Nevertheless, these excluded metrics will be summed as `beegfs_cstorage_other`.
|
||||
|
||||
Available Metrics:
|
||||
|
||||
* "sum"
|
||||
* "ack"
|
||||
* "sChDrct"
|
||||
* "getFSize"
|
||||
* "sAttr"
|
||||
* "statfs"
|
||||
* "trunc"
|
||||
* "close"
|
||||
* "fsync"
|
||||
* "ops-rd"
|
||||
* "MiB-rd/s"
|
||||
* "ops-wr"
|
||||
* "MiB-wr/s"
|
||||
* "endbg"
|
||||
* "hrtbeat"
|
||||
* "remNode"
|
||||
* "storInf"
|
||||
* "unlnk"
|
||||
|
||||
|
||||
The collector adds a `filesystem` tag to all metrics
|
||||
@ -34,6 +34,8 @@ var AvailableCollectors = map[string]MetricCollector{
|
||||
"nfs3stat": new(Nfs3Collector),
|
||||
"nfs4stat": new(Nfs4Collector),
|
||||
"numastats": new(NUMAStatsCollector),
|
||||
"beegfs_meta": new(BeegfsMetaCollector),
|
||||
"beegfs_storage": new(BeegfsStorageCollector),
|
||||
}
|
||||
|
||||
// Metric collector manager data structure
|
||||
|
||||
Loading…
Reference in New Issue
Block a user