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wrap getting Patroni state into retry (#1293) 

Retry calls to Patorni API to get cluster state

Co-authored-by: Sergey Dudoladov <sergey.dudoladov@zalando.de>
This commit is contained in:
Sergey Dudoladov 2021-01-08 15:08:44 +01:00 committed by GitHub
parent 9d94e018ff
commit b7f4cde541
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1 changed files with 19 additions and 1 deletions
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20
pkg/cluster/pod.go
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@ -4,6 +4,7 @@ import (
"context"
"fmt"
"math/rand"
"time"
appsv1 "k8s.io/api/apps/v1"
v1 "k8s.io/api/core/v1"
@ -11,6 +12,7 @@ import (
"github.com/zalando/postgres-operator/pkg/spec"
"github.com/zalando/postgres-operator/pkg/util"
"github.com/zalando/postgres-operator/pkg/util/retryutil"
)
func (c *Cluster) listPods() ([]v1.Pod, error) {
@ -309,7 +311,23 @@ func (c *Cluster) isSafeToRecreatePods(pods *v1.PodList) bool {
}
for _, pod := range pods.Items {
state, err := c.patroni.GetPatroniMemberState(&pod)
var state string
err := retryutil.Retry(1*time.Second, 5*time.Second,
func() (bool, error) {
var err error
state, err = c.patroni.GetPatroniMemberState(&pod)
if err != nil {
return false, err
}
return true, nil
},
)
if err != nil {
c.logger.Errorf("failed to get Patroni state for pod: %s", err)
return false