2f6c4f5eab
All code must use the context from Ginkgo when doing API calls or polling for a change, otherwise the code would not return immediately when the test gets aborted.
67 lines
2.7 KiB
Go
67 lines
2.7 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package replicaset
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import (
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"context"
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"fmt"
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"time"
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appsv1 "k8s.io/api/apps/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/util/wait"
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clientset "k8s.io/client-go/kubernetes"
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"k8s.io/kubernetes/test/e2e/framework"
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)
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// WaitForReadyReplicaSet waits until the replicaset has all of its replicas ready.
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func WaitForReadyReplicaSet(ctx context.Context, c clientset.Interface, ns, name string) error {
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err := wait.PollWithContext(ctx, framework.Poll, framework.PodStartTimeout, func(ctx context.Context) (bool, error) {
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rs, err := c.AppsV1().ReplicaSets(ns).Get(ctx, name, metav1.GetOptions{})
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if err != nil {
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return false, err
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}
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return *(rs.Spec.Replicas) == rs.Status.Replicas && *(rs.Spec.Replicas) == rs.Status.ReadyReplicas, nil
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})
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if err == wait.ErrWaitTimeout {
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err = fmt.Errorf("replicaset %q never became ready", name)
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}
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return err
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}
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// WaitForReplicaSetTargetAvailableReplicas waits for .status.availableReplicas of a RS to equal targetReplicaNum
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func WaitForReplicaSetTargetAvailableReplicas(ctx context.Context, c clientset.Interface, replicaSet *appsv1.ReplicaSet, targetReplicaNum int32) error {
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return WaitForReplicaSetTargetAvailableReplicasWithTimeout(ctx, c, replicaSet, targetReplicaNum, framework.PodStartTimeout)
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}
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// WaitForReplicaSetTargetAvailableReplicasWithTimeout waits for .status.availableReplicas of a RS to equal targetReplicaNum
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// with given timeout.
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func WaitForReplicaSetTargetAvailableReplicasWithTimeout(ctx context.Context, c clientset.Interface, replicaSet *appsv1.ReplicaSet, targetReplicaNum int32, timeout time.Duration) error {
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desiredGeneration := replicaSet.Generation
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err := wait.PollImmediateWithContext(ctx, framework.Poll, timeout, func(ctx context.Context) (bool, error) {
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rs, err := c.AppsV1().ReplicaSets(replicaSet.Namespace).Get(ctx, replicaSet.Name, metav1.GetOptions{})
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if err != nil {
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return false, err
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}
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return rs.Status.ObservedGeneration >= desiredGeneration && rs.Status.AvailableReplicas == targetReplicaNum, nil
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})
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if err == wait.ErrWaitTimeout {
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err = fmt.Errorf("replicaset %q never had desired number of .status.availableReplicas", replicaSet.Name)
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}
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return err
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}
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