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etcdserver: add "etcd_server_id"

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Signed-off-by: Gyuho Lee <leegyuho@amazon.com>
This commit is contained in:
Gyuho Lee 2018-08-29 14:49:01 -07:00
parent dfcf82b6ff
commit 216be8b79b
2 changed files with 11 additions and 0 deletions
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8
etcdserver/metrics.go
View File

@ -104,6 +104,13 @@ var (
Help: "Which Go version server is running with. 1 for 'server_go_version' label with current version.",
},
[]string{"server_go_version"})
serverID = prometheus.NewGaugeVec(prometheus.GaugeOpts{
Namespace: "etcd",
Subsystem: "server",
Name: "id",
Help: "Server or member ID in hexadecimal format. 1 for 'server_id' label with current ID.",
},
[]string{"server_id"})
)
func init() {
@ -120,6 +127,7 @@ func init() {
prometheus.MustRegister(quotaBackendBytes)
prometheus.MustRegister(currentVersion)
prometheus.MustRegister(currentGoVersion)
prometheus.MustRegister(serverID)
currentVersion.With(prometheus.Labels{
"server_version": version.Version,

3
etcdserver/server.go
View File

@ -56,8 +56,10 @@ import (
"github.com/coreos/etcd/store"
"github.com/coreos/etcd/version"
"github.com/coreos/etcd/wal"
"github.com/coreos/go-semver/semver"
"github.com/coreos/pkg/capnslog"
"github.com/prometheus/client_golang/prometheus"
"golang.org/x/net/context"
)
@ -441,6 +443,7 @@ func NewServer(cfg *ServerConfig) (srv *EtcdServer, err error) {
reqIDGen: idutil.NewGenerator(uint16(id), time.Now()),
forceVersionC: make(chan struct{}),
}
serverID.With(prometheus.Labels{"server_id": id.String()}).Set(1)
srv.applyV2 = &applierV2store{store: srv.store, cluster: srv.cluster}