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Merge pull request #97407 from waynepeking348/clean_rs_by_revision_instead_of_creat_timestamp

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clean rs by revision instead of creation timestamp in deployment controller
This commit is contained in:
Kubernetes Prow Robot
2021-01-21 20:15:27 -08:00
committed by GitHub
parent 88c652c154 b2de3507d0
commit 73fbd3da09
4 changed files with 160 additions and 1 deletions
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15
pkg/controller/deployment/util/deployment_util.go
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@@ -949,3 +949,18 @@ func GetDeploymentsForReplicaSet(deploymentLister appslisters.DeploymentLister,
return deployments, nil
}
// ReplicaSetsByRevision sorts a list of ReplicaSet by revision, using their creation timestamp or name as a tie breaker.
// By using the creation timestamp, this sorts from old to new replica sets.
type ReplicaSetsByRevision []*apps.ReplicaSet
func (o ReplicaSetsByRevision) Len() int { return len(o) }
func (o ReplicaSetsByRevision) Swap(i, j int) { o[i], o[j] = o[j], o[i] }
func (o ReplicaSetsByRevision) Less(i, j int) bool {
revision1, err1 := Revision(o[i])
revision2, err2 := Revision(o[j])
if err1 != nil || err2 != nil || revision1 == revision2 {
return controller.ReplicaSetsByCreationTimestamp(o).Less(i, j)
}
return revision1 < revision2
}