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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 73c1100b04
commit d1acb5a5c8
2 changed files with 11 additions and 0 deletions
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8
etcdserver/metrics.go
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@ -110,6 +110,13 @@ var (
Help: "Which Go version server is running with. 1 for 'server_go_version' label with current version.", Help: "Which Go version server is running with. 1 for 'server_go_version' label with current version.",
}, },
[]string{"server_go_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() { func init() {
@ -127,6 +134,7 @@ func init() {
prometheus.MustRegister(quotaBackendBytes) prometheus.MustRegister(quotaBackendBytes)
prometheus.MustRegister(currentVersion) prometheus.MustRegister(currentVersion)
prometheus.MustRegister(currentGoVersion) prometheus.MustRegister(currentGoVersion)
prometheus.MustRegister(serverID)
currentVersion.With(prometheus.Labels{ currentVersion.With(prometheus.Labels{
"server_version": version.Version, "server_version": version.Version,

3
etcdserver/server.go
View File

@ -59,6 +59,8 @@ import (
"github.com/coreos/go-semver/semver" "github.com/coreos/go-semver/semver"
"github.com/coreos/pkg/capnslog" "github.com/coreos/pkg/capnslog"
"github.com/prometheus/client_golang/prometheus"
"golang.org/x/net/context"
) )
const ( const (
@ -435,6 +437,7 @@ func NewServer(cfg ServerConfig) (srv *EtcdServer, err error) {
reqIDGen: idutil.NewGenerator(uint16(id), time.Now()), reqIDGen: idutil.NewGenerator(uint16(id), time.Now()),
forceVersionC: make(chan struct{}), forceVersionC: make(chan struct{}),
} }
serverID.With(prometheus.Labels{"server_id": id.String()}).Set(1)
srv.applyV2 = &applierV2store{store: srv.store, cluster: srv.cluster} srv.applyV2 = &applierV2store{store: srv.store, cluster: srv.cluster}