mirror of
https://github.com/ClusterCockpit/cc-metric-collector.git
synced 2024-11-10 04:27:25 +01:00
100 lines
2.4 KiB
Go
100 lines
2.4 KiB
Go
package collectors
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"path/filepath"
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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 HWMON_PATH = `/sys/class/hwmon`
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type TempCollectorConfig struct {
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ExcludeMetrics []string `json:"exclude_metrics"`
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TagOverride map[string]map[string]string `json:"tag_override"`
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}
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type TempCollector struct {
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metricCollector
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config TempCollectorConfig
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sensors map[string]string
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}
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func (m *TempCollector) Init(config json.RawMessage) error {
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m.name = "TempCollector"
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m.setup()
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m.meta = map[string]string{"source": m.name, "group": "IPMI", "unit": "degC"}
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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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// Find all temperature sensor files
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m.sensors = make(map[string]string)
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globPattern := filepath.Join(HWMON_PATH, "*", "temp*_input")
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inputFiles, err := filepath.Glob(globPattern)
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if err != nil {
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return fmt.Errorf("Unable to glob files with pattern '%s': %v", globPattern, err)
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}
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if inputFiles == nil {
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return fmt.Errorf("Unable to find any files with pattern '%s'", globPattern)
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}
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// Get sensor name for each temperature sensor file
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for _, file := range inputFiles {
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nameFile := strings.TrimSuffix(file, "_input") + "_label"
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name, err := ioutil.ReadFile(nameFile)
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if err != nil {
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continue
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}
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metricName := strings.TrimSpace(string(name))
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metricName = strings.Replace(metricName, " ", "_", -1)
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if !strings.Contains(metricName, "temp") {
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metricName = "temp_" + metricName
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}
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metricName = strings.ToLower(metricName)
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m.sensors[metricName] = file
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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 *TempCollector) Read(interval time.Duration, output chan lp.CCMetric) {
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for metricName, file := range m.sensors {
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tags := map[string]string{"type": "node"}
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for key, newtags := range m.config.TagOverride {
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if strings.Contains(file, key) {
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tags = newtags
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break
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}
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}
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buffer, err := ioutil.ReadFile(file)
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if err != nil {
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continue
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}
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x, err := strconv.ParseInt(strings.TrimSpace(string(buffer)), 10, 64)
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if err == nil {
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y, err := lp.New(metricName, tags, m.meta, map[string]interface{}{"value": int(float64(x) / 1000)}, time.Now())
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if err == nil {
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cclog.ComponentDebug(m.name, y)
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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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func (m *TempCollector) Close() {
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m.init = false
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}
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