k8s.io/kubernetes@v1.29.3/test/e2e/framework/replicaset/wait.go (about) 1 /* 2 Copyright 2017 The Kubernetes Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package replicaset 18 19 import ( 20 "context" 21 "fmt" 22 "time" 23 24 appsv1 "k8s.io/api/apps/v1" 25 metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" 26 "k8s.io/apimachinery/pkg/util/wait" 27 clientset "k8s.io/client-go/kubernetes" 28 "k8s.io/kubernetes/test/e2e/framework" 29 ) 30 31 // WaitForReadyReplicaSet waits until the replicaset has all of its replicas ready. 32 func WaitForReadyReplicaSet(ctx context.Context, c clientset.Interface, ns, name string) error { 33 err := wait.PollWithContext(ctx, framework.Poll, framework.PodStartTimeout, func(ctx context.Context) (bool, error) { 34 rs, err := c.AppsV1().ReplicaSets(ns).Get(ctx, name, metav1.GetOptions{}) 35 if err != nil { 36 return false, err 37 } 38 return *(rs.Spec.Replicas) == rs.Status.Replicas && *(rs.Spec.Replicas) == rs.Status.ReadyReplicas, nil 39 }) 40 if wait.Interrupted(err) { 41 err = fmt.Errorf("replicaset %q never became ready", name) 42 } 43 return err 44 } 45 46 // WaitForReplicaSetTargetAvailableReplicas waits for .status.availableReplicas of a RS to equal targetReplicaNum 47 func WaitForReplicaSetTargetAvailableReplicas(ctx context.Context, c clientset.Interface, replicaSet *appsv1.ReplicaSet, targetReplicaNum int32) error { 48 return WaitForReplicaSetTargetAvailableReplicasWithTimeout(ctx, c, replicaSet, targetReplicaNum, framework.PodStartTimeout) 49 } 50 51 // WaitForReplicaSetTargetAvailableReplicasWithTimeout waits for .status.availableReplicas of a RS to equal targetReplicaNum 52 // with given timeout. 53 func WaitForReplicaSetTargetAvailableReplicasWithTimeout(ctx context.Context, c clientset.Interface, replicaSet *appsv1.ReplicaSet, targetReplicaNum int32, timeout time.Duration) error { 54 desiredGeneration := replicaSet.Generation 55 err := wait.PollUntilContextTimeout(ctx, framework.Poll, timeout, true, func(ctx context.Context) (bool, error) { 56 rs, err := c.AppsV1().ReplicaSets(replicaSet.Namespace).Get(ctx, replicaSet.Name, metav1.GetOptions{}) 57 if err != nil { 58 return false, err 59 } 60 return rs.Status.ObservedGeneration >= desiredGeneration && rs.Status.AvailableReplicas == targetReplicaNum, nil 61 }) 62 if wait.Interrupted(err) { 63 err = fmt.Errorf("replicaset %q never had desired number of .status.availableReplicas", replicaSet.Name) 64 } 65 return err 66 }