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etcdserver: unset old cluster version in metrics

release-3.5
Jingyi Hu 2019-10-10 13:23:54 -07:00 committed by jingyih
parent c60618234b
commit 9c4194f6ef
1 changed files with 4 additions and 0 deletions
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4
etcdserver/api/membership/cluster.go
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@ -565,6 +565,7 @@ func (c *RaftCluster) SetVersion(ver *semver.Version, onSet func(*zap.Logger, *s
plog.Noticef("set the initial cluster version to %v", version.Cluster(ver.String()))
}
}
oldVer := c.version
c.version = ver
mustDetectDowngrade(c.lg, c.version)
if c.v2store != nil {
@ -573,6 +574,9 @@ func (c *RaftCluster) SetVersion(ver *semver.Version, onSet func(*zap.Logger, *s
if c.be != nil {
mustSaveClusterVersionToBackend(c.be, ver)
}
if oldVer != nil {
ClusterVersionMetrics.With(prometheus.Labels{"cluster_version": oldVer.String()}).Set(0)
}
ClusterVersionMetrics.With(prometheus.Labels{"cluster_version": ver.String()}).Set(1)
onSet(c.lg, ver)
}