support report the index of servicecomb_kie_config_count to prometheus #315
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| package metric | ||
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| import ( | ||
| "context" | ||
| "time" | ||
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| "github.com/go-chassis/go-chassis/v2/pkg/metrics" | ||
| "github.com/go-chassis/openlog" | ||
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| "github.com/apache/servicecomb-kie/server/config" | ||
| "github.com/apache/servicecomb-kie/server/datasource" | ||
| ) | ||
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| const ReportInterval = 15 | ||
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| func InitMetric(m config.MetricObject) error { | ||
| err := metrics.CreateGauge(metrics.GaugeOpts{ | ||
| Key: "servicecomb_kie_config_count", | ||
| Help: "use to show the number of config under a specifical domain and project pair", | ||
| Labels: []string{"domain", "project"}, | ||
| }) | ||
| if err != nil { | ||
| openlog.Error("init servicecomb_kie_config_count Gauge fail:" + err.Error()) | ||
| return err | ||
| } | ||
| if m.Domain == "" { | ||
| m.Domain = "default" | ||
| } | ||
| if m.Project == "" { | ||
| m.Project = "default" | ||
| } | ||
| ReportTicker := time.NewTicker(ReportInterval * time.Second) | ||
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| go func() { | ||
| for { | ||
| _, ok := <-ReportTicker.C | ||
| if !ok { | ||
| return | ||
| } | ||
| getTotalConfigCount(m.Project, m.Domain) | ||
| } | ||
| }() | ||
| return nil | ||
| } | ||
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| func getTotalConfigCount(project, domain string) { | ||
| total, err := datasource.GetBroker().GetKVDao().Total(context.TODO(), project, domain) | ||
| if err != nil { | ||
| openlog.Error("set total config number fail: " + err.Error()) | ||
| return | ||
| } | ||
| labels := map[string]string{"domain": domain, "project": project} | ||
| err = metrics.GaugeSet("servicecomb_kie_config_count", float64(total), labels) | ||
| if err != nil { | ||
| openlog.Error("set total config number fail:" + err.Error()) | ||
| return | ||
| } | ||
| } | ||
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不需要配置，这些通过环境变量控制即可