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Merge pull request #14671 from ironcladlou/rolling-rollback-fix

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k8s-merge-robot
2015-09-30 20:56:05 -07:00
parent 76b9c5b783 6db9601772
commit 888f08377e
2 changed files with 15 additions and 6 deletions
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16
pkg/kubectl/rolling_updater.go
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@@ -564,7 +564,7 @@ func CreateNewControllerFromCurrentController(c *client.Client, namespace, oldNa
return newRc, nil
}
func AbortRollingUpdate(c *RollingUpdaterConfig) {
func AbortRollingUpdate(c *RollingUpdaterConfig) error {
// Swap the controllers
tmp := c.OldRc
c.OldRc = c.NewRc
@@ -574,12 +574,18 @@ func AbortRollingUpdate(c *RollingUpdaterConfig) {
c.NewRc.Annotations = map[string]string{}
}
c.NewRc.Annotations[sourceIdAnnotation] = fmt.Sprintf("%s:%s", c.OldRc.Name, c.OldRc.UID)
desiredSize, found := c.OldRc.Annotations[desiredReplicasAnnotation]
if found {
fmt.Printf("Found desired replicas.")
c.NewRc.Annotations[desiredReplicasAnnotation] = desiredSize
// Use the original value since the replica count change from old to new
// could be asymmetric. If we don't know the original count, we can't safely
// roll back to a known good size.
originalSize, foundOriginal := tmp.Annotations[originalReplicasAnnotation]
if !foundOriginal {
return fmt.Errorf("couldn't find original replica count of %q", tmp.Name)
}
fmt.Fprintf(c.Out, "Setting %q replicas to %s\n", c.NewRc.Name, originalSize)
c.NewRc.Annotations[desiredReplicasAnnotation] = originalSize
c.CleanupPolicy = DeleteRollingUpdateCleanupPolicy
return nil
}
func GetNextControllerAnnotation(rc *api.ReplicationController) (string, bool) {