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Skip syncing Pods

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This commit is contained in:
Murat Kabilov
2017-05-12 11:41:33 +02:00
parent 655f6dcadb
commit db53134cbd
6 changed files with 7 additions and 124 deletions
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pkg/cluster/sync.go
+1 -62
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@@ -3,11 +3,7 @@ package cluster
import (
"fmt"
"k8s.io/client-go/pkg/api/v1"
"github.bus.zalan.do/acid/postgres-operator/pkg/spec"
"github.bus.zalan.do/acid/postgres-operator/pkg/util"
"github.bus.zalan.do/acid/postgres-operator/pkg/util/constants"
)
func (c *Cluster) SyncCluster() {
@@ -30,11 +26,6 @@ func (c *Cluster) SyncCluster() {
if err := c.syncStatefulSet(); err != nil {
c.logger.Errorf("Can't sync StatefulSets: %s", err)
}
c.logger.Debugf("Syncing Pods")
if err := c.syncPods(); err != nil {
c.logger.Errorf("Can't sync Pods: %s", err)
}
}
func (c *Cluster) syncSecrets() error {
@@ -131,56 +122,4 @@ func (c *Cluster) syncStatefulSet() error {
c.logger.Infof("Pods have been recreated")
return nil
}
func (c *Cluster) syncPods() error {
curSs := c.Statefulset
ls := c.labelsSet()
namespace := c.Metadata.Namespace
listOptions := v1.ListOptions{
LabelSelector: ls.String(),
}
pods, err := c.KubeClient.Pods(namespace).List(listOptions)
if err != nil {
return fmt.Errorf("Can't get list of Pods: %s", err)
}
if int32(len(pods.Items)) != *curSs.Spec.Replicas {
//TODO: wait for Pods being created by StatefulSet
return fmt.Errorf("Number of existing Pods does not match number of replicas of the StatefulSet")
}
//First check if we have left overs from the previous rolling update
for _, pod := range pods.Items {
podName := spec.PodName{
Namespace: pod.Namespace,
Name: pod.Name,
}
match, _ := podMatchesTemplate(&pod, curSs)
if match && pod.Status.Phase == v1.PodPending {
c.logger.Infof("Waiting for left over Pod '%s'", podName)
ch := c.registerPodSubscriber(podName)
c.waitForPodLabel(ch)
c.unregisterPodSubscriber(podName)
}
}
for _, pod := range pods.Items {
if match, reason := podMatchesTemplate(&pod, curSs); match {
c.logger.Infof("Pod '%s' matches StatefulSet pod template", util.NameFromMeta(pod.ObjectMeta))
continue
} else {
c.logPodChanges(&pod, curSs, reason)
}
if util.PodSpiloRole(&pod) == constants.PodRoleMaster {
//TODO: do manual failover first
}
err = c.recreatePod(pod)
c.logger.Infof("Pod '%s' has been successfully recreated", util.NameFromMeta(pod.ObjectMeta))
}
return nil
}
}