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double check before recreate

This commit is contained in:
Felix Kunde 2020-04-20 15:42:05 +02:00
parent 3c91bdeffa
commit c73f944846
1 changed files with 8 additions and 1 deletions
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9
pkg/cluster/pod.go
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@ -4,6 +4,7 @@ import (
"context" "context"
"fmt" "fmt"
"math/rand" "math/rand"
"reflect"
appsv1 "k8s.io/api/apps/v1" appsv1 "k8s.io/api/apps/v1"
v1 "k8s.io/api/core/v1" v1 "k8s.io/api/core/v1"
@ -339,14 +340,20 @@ func (c *Cluster) recreatePods() error {
) )
replicas := make([]spec.NamespacedName, 0) replicas := make([]spec.NamespacedName, 0)
for i, pod := range pods.Items { for i, pod := range pods.Items {
podName := util.NameFromMeta(pods.Items[i].ObjectMeta)
role := PostgresRole(pod.Labels[c.OpConfig.PodRoleLabel]) role := PostgresRole(pod.Labels[c.OpConfig.PodRoleLabel])
// final check if spec of running pod differs from template
if reflect.DeepEqual(pod.Spec, c.Statefulset.Spec.Template.Spec) {
c.logger.Infof("%q pod %q already updated", role, podName)
continue
}
if role == Master { if role == Master {
masterPod = &pods.Items[i] masterPod = &pods.Items[i]
continue continue
} }
podName := util.NameFromMeta(pods.Items[i].ObjectMeta)
if newPod, err = c.recreatePod(podName); err != nil { if newPod, err = c.recreatePod(podName); err != nil {
return fmt.Errorf("could not recreate replica pod %q: %v", util.NameFromMeta(pod.ObjectMeta), err) return fmt.Errorf("could not recreate replica pod %q: %v", util.NameFromMeta(pod.ObjectMeta), err)
} }