cmd/tailscale/cli: add "debug metrics" subcommand

To let users inspect the tailscaled metrics easily. Updates #3307 Change-Id: I922126ca0626659948c57de74c6ef62f40ef5f5f Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
2021-11-15 15:06:37 -08:00
parent 945290cc3f
commit 68917fdb5d
2 changed files with 24 additions and 4 deletions
@@ -196,6 +196,12 @@ func Goroutines(ctx context.Context) ([]byte, error) {
 	return get200(ctx, "/localapi/v0/goroutines")
 }

+// DaemonMetrics returns the Tailscale daemon's metrics in
+// the Prometheus text exposition format.
+func DaemonMetrics(ctx context.Context) ([]byte, error) {
+	return get200(ctx, "/localapi/v0/metrics")
+}
+
 // Profile returns a pprof profile of the Tailscale daemon.
 func Profile(ctx context.Context, pprofType string, sec int) ([]byte, error) {
 	var secArg string