mirror of
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245 lines
10 KiB
Go
245 lines
10 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 framework
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import (
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"fmt"
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"time"
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. "github.com/onsi/ginkgo"
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"k8s.io/api/core/v1"
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extensions "k8s.io/api/extensions/v1beta1"
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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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"k8s.io/apimachinery/pkg/watch"
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clientset "k8s.io/client-go/kubernetes"
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extensionsinternal "k8s.io/kubernetes/pkg/apis/extensions"
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"k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
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deploymentutil "k8s.io/kubernetes/pkg/controller/deployment/util"
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testutils "k8s.io/kubernetes/test/utils"
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)
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func UpdateDeploymentWithRetries(c clientset.Interface, namespace, name string, applyUpdate testutils.UpdateDeploymentFunc) (*extensions.Deployment, error) {
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return testutils.UpdateDeploymentWithRetries(c, namespace, name, applyUpdate, Logf, Poll, pollShortTimeout)
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}
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// Waits for the deployment to clean up old rcs.
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func WaitForDeploymentOldRSsNum(c clientset.Interface, ns, deploymentName string, desiredRSNum int) error {
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var oldRSs []*extensions.ReplicaSet
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var d *extensions.Deployment
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pollErr := wait.PollImmediate(Poll, 5*time.Minute, func() (bool, error) {
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deployment, err := c.Extensions().Deployments(ns).Get(deploymentName, metav1.GetOptions{})
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if err != nil {
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return false, err
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}
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d = deployment
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_, oldRSs, err = deploymentutil.GetOldReplicaSets(deployment, c.ExtensionsV1beta1())
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if err != nil {
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return false, err
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}
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return len(oldRSs) == desiredRSNum, nil
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})
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if pollErr == wait.ErrWaitTimeout {
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pollErr = fmt.Errorf("%d old replica sets were not cleaned up for deployment %q", len(oldRSs)-desiredRSNum, deploymentName)
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logReplicaSetsOfDeployment(d, oldRSs, nil)
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}
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return pollErr
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}
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func logReplicaSetsOfDeployment(deployment *extensions.Deployment, allOldRSs []*extensions.ReplicaSet, newRS *extensions.ReplicaSet) {
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testutils.LogReplicaSetsOfDeployment(deployment, allOldRSs, newRS, Logf)
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}
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func WaitForObservedDeployment(c clientset.Interface, ns, deploymentName string, desiredGeneration int64) error {
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return testutils.WaitForObservedDeployment(c, ns, deploymentName, desiredGeneration)
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}
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func WaitForDeploymentWithCondition(c clientset.Interface, ns, deploymentName, reason string, condType extensions.DeploymentConditionType) error {
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var deployment *extensions.Deployment
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pollErr := wait.PollImmediate(time.Second, 5*time.Minute, func() (bool, error) {
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d, err := c.Extensions().Deployments(ns).Get(deploymentName, metav1.GetOptions{})
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if err != nil {
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return false, err
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}
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deployment = d
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cond := deploymentutil.GetDeploymentCondition(deployment.Status, condType)
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return cond != nil && cond.Reason == reason, nil
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})
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if pollErr == wait.ErrWaitTimeout {
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pollErr = fmt.Errorf("deployment %q never updated with the desired condition and reason: %v", deployment.Name, deployment.Status.Conditions)
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_, allOldRSs, newRS, err := deploymentutil.GetAllReplicaSets(deployment, c.ExtensionsV1beta1())
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if err == nil {
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logReplicaSetsOfDeployment(deployment, allOldRSs, newRS)
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logPodsOfDeployment(c, deployment, append(allOldRSs, newRS))
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}
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}
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return pollErr
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}
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// WaitForDeploymentRevisionAndImage waits for the deployment's and its new RS's revision and container image to match the given revision and image.
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// Note that deployment revision and its new RS revision should be updated shortly most of the time, but an overwhelmed RS controller
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// may result in taking longer to relabel a RS.
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func WaitForDeploymentRevisionAndImage(c clientset.Interface, ns, deploymentName string, revision, image string) error {
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return testutils.WaitForDeploymentRevisionAndImage(c, ns, deploymentName, revision, image, Logf, Poll, pollLongTimeout)
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}
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func NewDeployment(deploymentName string, replicas int32, podLabels map[string]string, imageName, image string, strategyType extensions.DeploymentStrategyType) *extensions.Deployment {
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zero := int64(0)
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return &extensions.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Name: deploymentName,
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},
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Spec: extensions.DeploymentSpec{
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Replicas: &replicas,
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Selector: &metav1.LabelSelector{MatchLabels: podLabels},
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Strategy: extensions.DeploymentStrategy{
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Type: strategyType,
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},
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Template: v1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: podLabels,
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},
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Spec: v1.PodSpec{
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TerminationGracePeriodSeconds: &zero,
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Containers: []v1.Container{
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{
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Name: imageName,
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Image: image,
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},
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},
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},
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},
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},
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}
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}
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// Waits for the deployment to complete, and don't check if rolling update strategy is broken.
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// Rolling update strategy is used only during a rolling update, and can be violated in other situations,
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// such as shortly after a scaling event or the deployment is just created.
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func WaitForDeploymentComplete(c clientset.Interface, d *extensions.Deployment) error {
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return testutils.WaitForDeploymentComplete(c, d, Logf, Poll, pollLongTimeout)
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}
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// Waits for the deployment to complete, and check rolling update strategy isn't broken at any times.
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// Rolling update strategy should not be broken during a rolling update.
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func WaitForDeploymentCompleteAndCheckRolling(c clientset.Interface, d *extensions.Deployment) error {
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return testutils.WaitForDeploymentCompleteAndCheckRolling(c, d, Logf, Poll, pollLongTimeout)
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}
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// WaitForDeploymentUpdatedReplicasLTE waits for given deployment to be observed by the controller and has at least a number of updatedReplicas
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func WaitForDeploymentUpdatedReplicasLTE(c clientset.Interface, ns, deploymentName string, minUpdatedReplicas int32, desiredGeneration int64) error {
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err := wait.Poll(Poll, 5*time.Minute, func() (bool, error) {
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deployment, err := c.Extensions().Deployments(ns).Get(deploymentName, metav1.GetOptions{})
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if err != nil {
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return false, err
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}
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if deployment.Status.ObservedGeneration >= desiredGeneration && deployment.Status.UpdatedReplicas >= minUpdatedReplicas {
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return true, nil
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}
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return false, nil
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})
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if err != nil {
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return fmt.Errorf("error waiting for deployment %s to have at least %d updpatedReplicas: %v", deploymentName, minUpdatedReplicas, err)
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}
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return nil
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}
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// WaitForDeploymentRollbackCleared waits for given deployment either started rolling back or doesn't need to rollback.
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// Note that rollback should be cleared shortly, so we only wait for 1 minute here to fail early.
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func WaitForDeploymentRollbackCleared(c clientset.Interface, ns, deploymentName string) error {
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return testutils.WaitForDeploymentRollbackCleared(c, ns, deploymentName, Poll, pollShortTimeout)
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}
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// WatchRecreateDeployment watches Recreate deployments and ensures no new pods will run at the same time with
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// old pods.
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func WatchRecreateDeployment(c clientset.Interface, d *extensions.Deployment) error {
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if d.Spec.Strategy.Type != extensions.RecreateDeploymentStrategyType {
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return fmt.Errorf("deployment %q does not use a Recreate strategy: %s", d.Name, d.Spec.Strategy.Type)
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}
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w, err := c.Extensions().Deployments(d.Namespace).Watch(metav1.SingleObject(metav1.ObjectMeta{Name: d.Name, ResourceVersion: d.ResourceVersion}))
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if err != nil {
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return err
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}
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status := d.Status
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condition := func(event watch.Event) (bool, error) {
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d := event.Object.(*extensions.Deployment)
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status = d.Status
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if d.Status.UpdatedReplicas > 0 && d.Status.Replicas != d.Status.UpdatedReplicas {
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_, allOldRSs, err := deploymentutil.GetOldReplicaSets(d, c.ExtensionsV1beta1())
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newRS, nerr := deploymentutil.GetNewReplicaSet(d, c.ExtensionsV1beta1())
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if err == nil && nerr == nil {
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Logf("%+v", d)
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logReplicaSetsOfDeployment(d, allOldRSs, newRS)
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logPodsOfDeployment(c, d, append(allOldRSs, newRS))
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}
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return false, fmt.Errorf("deployment %q is running new pods alongside old pods: %#v", d.Name, status)
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}
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return *(d.Spec.Replicas) == d.Status.Replicas &&
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*(d.Spec.Replicas) == d.Status.UpdatedReplicas &&
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d.Generation <= d.Status.ObservedGeneration, nil
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}
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_, err = watch.Until(2*time.Minute, w, condition)
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if err == wait.ErrWaitTimeout {
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err = fmt.Errorf("deployment %q never completed: %#v", d.Name, status)
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}
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return err
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}
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func ScaleDeployment(clientset clientset.Interface, internalClientset internalclientset.Interface, ns, name string, size uint, wait bool) error {
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return ScaleResource(clientset, internalClientset, ns, name, size, wait, extensionsinternal.Kind("Deployment"))
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}
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func RunDeployment(config testutils.DeploymentConfig) error {
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By(fmt.Sprintf("creating deployment %s in namespace %s", config.Name, config.Namespace))
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config.NodeDumpFunc = DumpNodeDebugInfo
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config.ContainerDumpFunc = LogFailedContainers
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return testutils.RunDeployment(config)
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}
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func logPodsOfDeployment(c clientset.Interface, deployment *extensions.Deployment, rsList []*extensions.ReplicaSet) {
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testutils.LogPodsOfDeployment(c, deployment, rsList, Logf)
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}
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func WaitForDeploymentRevision(c clientset.Interface, d *extensions.Deployment, targetRevision string) error {
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err := wait.PollImmediate(Poll, pollLongTimeout, func() (bool, error) {
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deployment, err := c.ExtensionsV1beta1().Deployments(d.Namespace).Get(d.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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revision := deployment.Annotations[deploymentutil.RevisionAnnotation]
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return revision == targetRevision, nil
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})
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if err != nil {
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return fmt.Errorf("error waiting for revision to become %q for deployment %q: %v", targetRevision, d.Name, err)
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}
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return nil
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}
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// CheckDeploymentRevisionAndImage checks if the input deployment's and its new replica set's revision and image are as expected.
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func CheckDeploymentRevisionAndImage(c clientset.Interface, ns, deploymentName, revision, image string) error {
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return testutils.CheckDeploymentRevisionAndImage(c, ns, deploymentName, revision, image)
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}
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