Initial commit

metric/register.go

@@ -0,0 +1,27 @@
+package metric
+
+import (
+	"github.com/prometheus/client_golang/prometheus"
+)
+
+// Register Here, we must decide pusher/exporter which we use
+// it's very important, note: var/init/func init sort
+// keep, when a git rep, not only a service or job
+// collector will mixed with Push And Registered for pull
+// So register with pull and add for push collector must control in one place
+// then we can use conf to switch
+// avoid collector duplicate
+// we don't use must register, to avoid panic
+func Register(cs ...prometheus.Collector) {
+	if defaultPusher == nil {
+		// register by exporter
+		for _, mv := range cs {
+			prometheus.Register(mv)
+		}
+	} else {
+		// register by pusher
+		for _, mv := range cs {
+			defaultPusher.Collector(mv).Add()
+		}
+	}
+}