api: add /metrics endpoint for prometheus

License: MIT Signed-off-by: Lars Gierth <[email protected]>
ipfs · Jun 29, 2015 · ed8d3ae · ed8d3ae
1 parent 2d6b787
commit ed8d3ae
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diff --git a/cmd/ipfs/daemon.go b/cmd/ipfs/daemon.go
@@ -300,6 +300,7 @@ func serveHTTPApi(req cmds.Request) (error, <-chan error) {
 		defaultMux("/debug/vars"),
 		defaultMux("/debug/pprof/"),
 		corehttp.LogOption(),
+		corehttp.PrometheusOption("/debug/metrics/prometheus"),
 	}
 
 	if len(cfg.Gateway.RootRedirect) > 0 {

diff --git a/core/corehttp/prometheus.go b/core/corehttp/prometheus.go
@@ -0,0 +1,16 @@
+package corehttp
+
+import (
+	"net/http"
+
+	prom "github.com/ipfs/go-ipfs/Godeps/_workspace/src/github.com/prometheus/client_golang/prometheus"
+
+	"github.com/ipfs/go-ipfs/core"
+)
+
+func PrometheusOption(path string) ServeOption {
+	return func(n *core.IpfsNode, mux *http.ServeMux) (*http.ServeMux, error) {
+		mux.Handle(path, prom.Handler())
+		return mux, nil
+	}
+}