etcdserver/api/etcdhttp: add "etcd_server_health_success/failures"
Signed-off-by: Gyuho Lee <leegyuho@amazon.com>release-3.4
parent
6976819792
commit
004e04a1d1
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@ -24,6 +24,7 @@ import (
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"go.etcd.io/etcd/etcdserver/etcdserverpb"
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"go.etcd.io/etcd/raft"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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)
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@ -67,6 +68,26 @@ func NewHealthHandler(hfunc func() Health) http.HandlerFunc {
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}
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}
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var (
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healthSuccess = prometheus.NewCounter(prometheus.CounterOpts{
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Namespace: "etcd",
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Subsystem: "server",
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Name: "health_success",
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Help: "The total number of successful health checks",
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})
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healthFailed = prometheus.NewCounter(prometheus.CounterOpts{
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Namespace: "etcd",
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Subsystem: "server",
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Name: "health_failures",
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Help: "The total number of failed health checks",
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})
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)
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func init() {
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prometheus.MustRegister(healthSuccess)
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prometheus.MustRegister(healthFailed)
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}
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// Health defines etcd server health status.
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// TODO: remove manual parsing in etcdctl cluster-health
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type Health struct {
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@ -97,5 +118,11 @@ func checkHealth(srv etcdserver.ServerV2) Health {
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h.Health = "false"
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}
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}
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if h.Health == "true" {
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healthSuccess.Inc()
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} else {
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healthFailed.Inc()
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}
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return h
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}
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