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Implement hash collision avoidance mechanism

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Signed-off-by: Michail Kargakis <mkargaki@redhat.com>
This commit is contained in:
Michail Kargakis
2017-04-21 19:49:30 +02:00
parent aeb2d9b9b4
commit 4a2c5eae92
9 changed files with 227 additions and 67 deletions
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15
pkg/controller/deployment/util/replicaset_util.go
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@@ -69,11 +69,12 @@ func UpdateRSWithRetries(rsClient unversionedextensions.ReplicaSetInterface, rsL
}
// GetReplicaSetHash returns the pod template hash of a ReplicaSet's pod template space
func GetReplicaSetHash(rs *extensions.ReplicaSet) string {
meta := rs.Spec.Template.ObjectMeta
meta.Labels = labelsutil.CloneAndRemoveLabel(meta.Labels, extensions.DefaultDeploymentUniqueLabelKey)
return fmt.Sprintf("%d", GetPodTemplateSpecHash(v1.PodTemplateSpec{
ObjectMeta: meta,
Spec: rs.Spec.Template.Spec,
}))
func GetReplicaSetHash(rs *extensions.ReplicaSet, uniquifier *int64) (string, error) {
template, err := api.Scheme.DeepCopy(rs.Spec.Template)
if err != nil {
return "", err
}
rsTemplate := template.(v1.PodTemplateSpec)
rsTemplate.Labels = labelsutil.CloneAndRemoveLabel(rsTemplate.Labels, extensions.DefaultDeploymentUniqueLabelKey)
return fmt.Sprintf("%d", GetPodTemplateSpecHash(&rsTemplate, uniquifier)), nil
}