ClusterCockpit/cc-metric-collector
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This commit is contained in:
Holger Obermaier 2022-01-25 17:20:20 +01:00
parent 8f9bff7efd
commit b4fde31626
1 changed files with 21 additions and 9 deletions
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30
collectors/metricCollector.go
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@ -2,14 +2,15 @@ package collectors
import ( import (
"encoding/json" "encoding/json"
"errors" "fmt"
lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
influx "github.com/influxdata/line-protocol"
"io/ioutil" "io/ioutil"
"log" "log"
"strconv" "strconv"
"strings" "strings"
"time" "time"
lp "github.com/ClusterCockpit/cc-metric-collector/internal/ccMetric"
influx "github.com/influxdata/line-protocol"
) )
type MetricCollector interface { type MetricCollector interface {
@ -21,12 +22,12 @@ type MetricCollector interface {
} }
type metricCollector struct { type metricCollector struct {
output chan lp.CCMetric name string
name string init bool
init bool meta map[string]string
meta map[string]string
} }
// Name() returns the name of the metric collector
func (c *metricCollector) Name() string { func (c *metricCollector) Name() string {
return c.name return c.name
} }
@ -35,10 +36,14 @@ func (c *metricCollector) setup() error {
return nil return nil
} }
// Initialized() indicates whether the metric collector has been initialized.
func (c *metricCollector) Initialized() bool { func (c *metricCollector) Initialized() bool {
return c.init == true return c.init
} }
// intArrayContains scans an array of ints if the value str is present in the array
// If the specified value is found, the corresponding array index is returned.
// The bool value is used to signal success or failure
func intArrayContains(array []int, str int) (int, bool) { func intArrayContains(array []int, str int) (int, bool) {
for i, a := range array { for i, a := range array {
if a == str { if a == str {
@ -48,6 +53,9 @@ func intArrayContains(array []int, str int) (int, bool) {
return -1, false return -1, false
} }
// stringArrayContains scans an array of strings if the value str is present in the array
// If the specified value is found, the corresponding array index is returned.
// The bool value is used to signal success or failure
func stringArrayContains(array []string, str string) (int, bool) { func stringArrayContains(array []string, str string) (int, bool) {
for i, a := range array { for i, a := range array {
if a == str { if a == str {
@ -107,6 +115,7 @@ func CpuList() []int {
return cpulist return cpulist
} }
// Tags2Map stores a InfluxDB list of tags in a map of key value pairs
func Tags2Map(metric influx.Metric) map[string]string { func Tags2Map(metric influx.Metric) map[string]string {
tags := make(map[string]string) tags := make(map[string]string)
for _, t := range metric.TagList() { for _, t := range metric.TagList() {
@ -115,6 +124,7 @@ func Tags2Map(metric influx.Metric) map[string]string {
return tags return tags
} }
// Fields2Map stores a InfluxDB list of fields in a map of key value pairs
func Fields2Map(metric influx.Metric) map[string]interface{} { func Fields2Map(metric influx.Metric) map[string]interface{} {
fields := make(map[string]interface{}) fields := make(map[string]interface{})
for _, f := range metric.FieldList() { for _, f := range metric.FieldList() {
@ -123,11 +133,13 @@ func Fields2Map(metric influx.Metric) map[string]interface{} {
return fields return fields
} }
// RemoveFromStringList removes the string r from the array of strings s
// If r is not contained in the array an error is returned
func RemoveFromStringList(s []string, r string) ([]string, error) { func RemoveFromStringList(s []string, r string) ([]string, error) {
for i, item := range s { for i, item := range s {
if r == item { if r == item {
return append(s[:i], s[i+1:]...), nil return append(s[:i], s[i+1:]...), nil
} }
} }
return s, errors.New("No such string in list") return s, fmt.Errorf("No such string in list")
} }