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wait for the pods from the previous rolling update

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This commit is contained in:
Murat Kabilov
2017-05-12 11:41:28 +02:00
parent bbdc2f52a9
commit b6e6308bdc
3 changed files with 41 additions and 12 deletions
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pkg/cluster/pod.go
+20 -9
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@@ -94,6 +94,24 @@ func (c *Cluster) deletePod(pod *v1.Pod) error {
return nil
}
func (c *Cluster) unregisterPodSubscriber(podName spec.PodName) {
if _, ok := c.podSubscribers[podName]; !ok {
panic("Subscriber for Pod '" + podName.String() + "' is not found")
}
close(c.podSubscribers[podName])
delete(c.podSubscribers, podName)
}
func (c *Cluster) registerPodSubscriber(podName spec.PodName) chan spec.PodEvent {
ch := make(chan spec.PodEvent)
if _, ok := c.podSubscribers[podName]; ok {
panic("Pod '" + podName.String() + "' is already subscribed")
}
c.podSubscribers[podName] = ch
return ch
}
func (c *Cluster) recreatePod(pod v1.Pod, spiloRole string) error {
podName := spec.PodName{
Namespace: pod.Namespace,
@@ -105,15 +123,8 @@ func (c *Cluster) recreatePod(pod v1.Pod, spiloRole string) error {
OrphanDependents: &orphanDependents,
}
ch := make(chan spec.PodEvent)
if _, ok := c.podSubscribers[podName]; ok {
panic("Pod '" + podName.String() + "' is already subscribed")
}
c.podSubscribers[podName] = ch
defer func() {
close(ch)
delete(c.podSubscribers, podName)
}()
ch := c.registerPodSubscriber(podName)
defer c.unregisterPodSubscriber(podName)
if err := c.config.KubeClient.Pods(pod.Namespace).Delete(pod.Name, deleteOptions); err != nil {
return fmt.Errorf("Can't delete Pod: %s", err)