Add Uptime metric (vitessio#12712)

* Add `Uptime` metric to `vtgate`+`vttablet` Signed-off-by: Tim Vaillancourt <tim@timvaillancourt.com> * move to go/vt/servenv/status.go Signed-off-by: Tim Vaillancourt <tim@timvaillancourt.com> * Use nanoseconds for uptime Signed-off-by: Tim Vaillancourt <tim@timvaillancourt.com> * Move Uptime metrics to servenv.go, remove dupe start time.Time Signed-off-by: Tim Vaillancourt <tim@timvaillancourt.com> * Use serverStart time.Time Signed-off-by: Tim Vaillancourt <tim@timvaillancourt.com> --------- Signed-off-by: Tim Vaillancourt <tim@timvaillancourt.com>
slackhq · Jun 28, 2023 · 40a39f5 · 40a39f5
1 parent c322ded
commit 40a39f5
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/go/vt/servenv/servenv.go b/go/vt/servenv/servenv.go
@@ -91,6 +91,11 @@ func Init() {
  return int64(time.Since(serverStart).Nanoseconds())
  })
 
+ // Uptime metric
+ _ = stats.NewGaugeFunc("Uptime", "Uptime in nanoseconds", func() int64 {
+ return int64(time.Since(serverStart).Nanoseconds())
+ })
+
  // Ignore SIGPIPE if specified
  // The Go runtime catches SIGPIPE for us on all fds except stdout/stderr
  // See https://golang.org/pkg/os/signal/#hdr-SIGPIPE