diff options
Diffstat (limited to 'plugin/metrics/metrics.go')
| -rw-r--r-- | plugin/metrics/metrics.go | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/plugin/metrics/metrics.go b/plugin/metrics/metrics.go index 70f82a664..25d6da488 100644 --- a/plugin/metrics/metrics.go +++ b/plugin/metrics/metrics.go @@ -6,8 +6,10 @@ import ( "net" "net/http" "os" + "runtime" "sync" + "github.com/coredns/coredns/coremain" "github.com/coredns/coredns/plugin" "github.com/coredns/coredns/plugin/metrics/vars" "github.com/prometheus/client_golang/prometheus" @@ -39,6 +41,7 @@ func New(addr string) *Metrics { met.MustRegister(prometheus.NewProcessCollector(os.Getpid(), "")) // Add all of our collectors + met.MustRegister(buildInfo) met.MustRegister(vars.RequestCount) met.MustRegister(vars.RequestDuration) met.MustRegister(vars.RequestSize) @@ -46,6 +49,10 @@ func New(addr string) *Metrics { met.MustRegister(vars.RequestType) met.MustRegister(vars.ResponseSize) met.MustRegister(vars.ResponseRcode) + + // Initialize metrics. + buildInfo.WithLabelValues(coremain.CoreVersion, coremain.GitCommit, runtime.Version()).Set(1) + return met } @@ -115,3 +122,11 @@ func keys(m map[string]bool) []string { // ListenAddr is assigned the address of the prometheus listener. Its use is mainly in tests where // we listen on "localhost:0" and need to retrieve the actual address. var ListenAddr string + +var ( + buildInfo = prometheus.NewGaugeVec(prometheus.GaugeOpts{ + Namespace: plugin.Namespace, + Name: "build_info", + Help: "A metric with a constant '1' value labeled by version, revision, and goversion from which CoreDNS was built.", + }, []string{"version", "revision", "goversion"}) +) |