Fix busy loop when pod eviction is blocked during node drain

kubectl v0.35.0 replaced the hardcoded five second sleep between
eviction retries with the configurable EvictErrorRetryDelay field on
drain.Helper. The field has no default, so KubeOne, which builds the
helper itself, retried with no delay and spun as fast as the API server
would answer whenever a PodDisruptionBudget blocked a pod.

Set it to five seconds, matching kubectl drain.

Signed-off-by: t.hosseini <taaahaaa75@gmail.com>

Author: taaahaaa

pkg/nodeutils/drain.go

@@ -18,6 +18,7 @@ package nodeutils
 
 import (
 	"context"
+	"time"
 
 	"github.com/sirupsen/logrus"
 
@@ -86,12 +87,13 @@ func (dr *drainer) drainHelper(ctx context.Context) (*drain.Helper, error) {
 		Client: kubeClinet,
 		// Force is used to force deleting standalone pods (i.e. not managed by
 		// ReplicaSet)
-		Force:               true,
-		GracePeriodSeconds:  -1,
-		IgnoreAllDaemonSets: true,
-		DeleteEmptyDirData:  true,
-		Out:                 loggerIoWriter(dr.logger.Infof),
-		ErrOut:              loggerIoWriter(dr.logger.Errorf),
+		Force:                true,
+		GracePeriodSeconds:   -1,
+		IgnoreAllDaemonSets:  true,
+		DeleteEmptyDirData:   true,
+		EvictErrorRetryDelay: 5 * time.Second,
+		Out:                  loggerIoWriter(dr.logger.Infof),
+		ErrOut:               loggerIoWriter(dr.logger.Errorf),
 		OnPodDeletedOrEvicted: func(pod *corev1.Pod, usingEviction bool) {
 			evicted := "evicted"
 			if !usingEviction {