package pushmetrics import ( "flag" "strings" "time" "github.com/VictoriaMetrics/VictoriaMetrics/lib/appmetrics" "github.com/VictoriaMetrics/VictoriaMetrics/lib/flagutil" "github.com/VictoriaMetrics/VictoriaMetrics/lib/logger" "github.com/VictoriaMetrics/metrics" ) var ( pushURL = flagutil.NewArrayString("pushmetrics.url", "Optional URL to push metrics exposed at /metrics page. See https://docs.victoriametrics.com/#push-metrics . "+ "By default metrics exposed at /metrics page aren't pushed to any remote storage") pushInterval = flag.Duration("pushmetrics.interval", 10*time.Second, "Interval for pushing metrics to -pushmetrics.url") pushExtraLabel = flagutil.NewArrayString("pushmetrics.extraLabel", "Optional labels to add to metrics pushed to -pushmetrics.url . "+ `For example, -pushmetrics.extraLabel='instance="foo"' adds instance="foo" label to all the metrics pushed to -pushmetrics.url`) ) func init() { // The -pushmetrics.url flag can contain basic auth creds, so it mustn't be visible when exposing the flags. flagutil.RegisterSecretFlag("pushmetrics.url") } var ( pushCtx, cancelPushCtx = context.WithCancel(context.Background()) ) // Init must be called after logger.Init func Init() { extraLabels := strings.Join(*pushExtraLabel, ",") for _, pu := range *pushURL { opts := &metrics.PushOptions{ ExtraLabels: extraLabels, } if err := metrics.InitPushExtWithOptions(pushCtx, pu, *pushInterval, appmetrics.WritePrometheusMetrics, opts); err != nil { logger.Fatalf("cannot initialize pushmetrics: %s", err) } } } // Stop stops the periodic push of metrics. // It is important to stop the push of metrics before disposing resources // these metrics attached to. See related https://github.com/VictoriaMetrics/VictoriaMetrics/issues/5548 // // Stop must be called after Init. func Stop() { cancelPushCtx() }