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Make updates atomic from the client side.

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This commit is contained in:
Brendan Burns
2014-08-01 14:14:33 -07:00
parent 5b589cf115
commit 1101c00014
3 changed files with 42 additions and 18 deletions
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18
pkg/client/client.go
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@@ -192,12 +192,10 @@ func (c *Client) CreatePod(pod api.Pod) (result api.Pod, err error) {
// UpdatePod takes the representation of a pod to update. Returns the server's representation of the pod, and an error, if it occurs
func (c *Client) UpdatePod(pod api.Pod) (result api.Pod, err error) {
var prev api.Pod
err = c.Get().Path("pod").Path(pod.ID).Do().Into(&prev)
if err != nil {
if pod.ResourceVersion == 0 {
err = fmt.Errorf("invalid update object, missing resource version: %v", pod)
return
}
pod.ResourceVersion = prev.ResourceVersion
err = c.Put().Path("pods").Path(pod.ID).Body(pod).Do().Into(&result)
return
}
@@ -222,12 +220,10 @@ func (c *Client) CreateReplicationController(controller api.ReplicationControlle
// UpdateReplicationController updates an existing replication controller
func (c *Client) UpdateReplicationController(controller api.ReplicationController) (result api.ReplicationController, err error) {
var prev api.ReplicationController
err = c.Get().Path("replicationControllers").Path(controller.ID).Do().Into(&prev)
if err != nil {
if controller.ResourceVersion == 0 {
err = fmt.Errorf("invalid update object, missing resource version: %v", controller)
return
}
controller.ResourceVersion = prev.ResourceVersion
err = c.Put().Path("replicationControllers").Path(controller.ID).Body(controller).Do().Into(&result)
return
}
@@ -251,12 +247,10 @@ func (c *Client) CreateService(svc api.Service) (result api.Service, err error)
// UpdateService updates an existing service.
func (c *Client) UpdateService(svc api.Service) (result api.Service, err error) {
var prev api.Service
err = c.Get().Path("services").Path(svc.ID).Do().Into(&prev)
if err != nil {
if svc.ResourceVersion == 0 {
err = fmt.Errorf("invalid update object, missing resource version: %v", svc)
return
}
svc.ResourceVersion = prev.ResourceVersion
err = c.Put().Path("services").Path(svc.ID).Body(svc).Do().Into(&result)
return
}