VictoriaMetrics/lib/pushmetrics/pushmetrics.go

35 lines
1.4 KiB
Go

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.NewArray("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.NewArray("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")
}
// Init must be called after logger.Init
func Init() {
extraLabels := strings.Join(*pushExtraLabel, ",")
for _, pu := range *pushURL {
if err := metrics.InitPushExt(pu, *pushInterval, extraLabels, appmetrics.WritePrometheusMetrics); err != nil {
logger.Fatalf("cannot initialize pushmetrics: %s", err)
}
}
}