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etcdserver: add "etcd_server_go_version" metric

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Currently, one has to look at server logs manually,
to see what Go version was used to build etcd server.

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
This commit is contained in:
Gyuho Lee 2018-07-23 09:15:22 -07:00
parent 0d5497a107
commit 348edfeae6
1 changed files with 12 additions and 0 deletions
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12
etcdserver/metrics.go
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@ -15,6 +15,7 @@
package etcdserver package etcdserver
import ( import (
goruntime "runtime"
"time" "time"
"github.com/coreos/etcd/pkg/runtime" "github.com/coreos/etcd/pkg/runtime"
@ -102,6 +103,13 @@ var (
Help: "Which version is running. 1 for 'server_version' label with current version.", Help: "Which version is running. 1 for 'server_version' label with current version.",
}, },
[]string{"server_version"}) []string{"server_version"})
currentGoVersion = prometheus.NewGaugeVec(prometheus.GaugeOpts{
Namespace: "etcd",
Subsystem: "server",
Name: "go_version",
Help: "Which Go version server is running with. 1 for 'server_go_version' label with current version.",
},
[]string{"server_go_version"})
) )
func init() { func init() {
@ -118,10 +126,14 @@ func init() {
prometheus.MustRegister(slowReadIndex) prometheus.MustRegister(slowReadIndex)
prometheus.MustRegister(quotaBackendBytes) prometheus.MustRegister(quotaBackendBytes)
prometheus.MustRegister(currentVersion) prometheus.MustRegister(currentVersion)
prometheus.MustRegister(currentGoVersion)
currentVersion.With(prometheus.Labels{ currentVersion.With(prometheus.Labels{
"server_version": version.Version, "server_version": version.Version,
}).Set(1) }).Set(1)
currentGoVersion.With(prometheus.Labels{
"server_go_version": goruntime.Version(),
}).Set(1)
} }
func monitorFileDescriptor(done <-chan struct{}) { func monitorFileDescriptor(done <-chan struct{}) {