mirror of
https://github.com/ceph/ceph-csi.git
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vendor cleanup: remove unused,non-go and test files
This commit is contained in:
Madhu Rajanna
342
vendor/k8s.io/kubernetes/test/utils/deployment.go
generated
vendored
342
vendor/k8s.io/kubernetes/test/utils/deployment.go
generated
vendored
@ -1,342 +0,0 @@
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/*
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Copyright 2016 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 utils
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import (
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"fmt"
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"time"
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"github.com/davecgh/go-spew/spew"
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apps "k8s.io/api/apps/v1"
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"k8s.io/api/core/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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podutil "k8s.io/kubernetes/pkg/api/v1/pod"
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deploymentutil "k8s.io/kubernetes/pkg/controller/deployment/util"
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labelsutil "k8s.io/kubernetes/pkg/util/labels"
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)
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type LogfFn func(format string, args ...interface{})
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func LogReplicaSetsOfDeployment(deployment *apps.Deployment, allOldRSs []*apps.ReplicaSet, newRS *apps.ReplicaSet, logf LogfFn) {
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if newRS != nil {
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logf(spew.Sprintf("New ReplicaSet %q of Deployment %q:\n%+v", newRS.Name, deployment.Name, *newRS))
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} else {
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logf("New ReplicaSet of Deployment %q is nil.", deployment.Name)
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}
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if len(allOldRSs) > 0 {
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logf("All old ReplicaSets of Deployment %q:", deployment.Name)
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}
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for i := range allOldRSs {
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logf(spew.Sprintf("%+v", *allOldRSs[i]))
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}
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}
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func LogPodsOfDeployment(c clientset.Interface, deployment *apps.Deployment, rsList []*apps.ReplicaSet, logf LogfFn) {
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minReadySeconds := deployment.Spec.MinReadySeconds
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podListFunc := func(namespace string, options metav1.ListOptions) (*v1.PodList, error) {
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return c.CoreV1().Pods(namespace).List(options)
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}
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podList, err := deploymentutil.ListPods(deployment, rsList, podListFunc)
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if err != nil {
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logf("Failed to list Pods of Deployment %q: %v", deployment.Name, err)
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return
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}
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for _, pod := range podList.Items {
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availability := "not available"
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if podutil.IsPodAvailable(&pod, minReadySeconds, metav1.Now()) {
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availability = "available"
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}
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logf(spew.Sprintf("Pod %q is %s:\n%+v", pod.Name, availability, pod))
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}
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}
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// Waits for the deployment to complete.
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// If during a rolling update (rolling == true), returns an error if the deployment's
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// rolling update strategy (max unavailable or max surge) is broken at any times.
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// It's not seen as a rolling update if shortly after a scaling event or the deployment is just created.
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func waitForDeploymentCompleteMaybeCheckRolling(c clientset.Interface, d *apps.Deployment, rolling bool, logf LogfFn, pollInterval, pollTimeout time.Duration) error {
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var (
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deployment *apps.Deployment
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reason string
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)
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err := wait.PollImmediate(pollInterval, pollTimeout, func() (bool, error) {
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var err error
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deployment, err = c.AppsV1().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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// If during a rolling update, make sure rolling update strategy isn't broken at any times.
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if rolling {
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reason, err = checkRollingUpdateStatus(c, deployment, logf)
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if err != nil {
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return false, err
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}
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logf(reason)
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}
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// When the deployment status and its underlying resources reach the desired state, we're done
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if deploymentutil.DeploymentComplete(d, &deployment.Status) {
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return true, nil
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}
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reason = fmt.Sprintf("deployment status: %#v", deployment.Status)
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logf(reason)
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return false, nil
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})
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if err == wait.ErrWaitTimeout {
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err = fmt.Errorf("%s", reason)
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}
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if err != nil {
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return fmt.Errorf("error waiting for deployment %q status to match expectation: %v", d.Name, err)
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}
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return nil
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}
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func checkRollingUpdateStatus(c clientset.Interface, deployment *apps.Deployment, logf LogfFn) (string, error) {
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var reason string
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oldRSs, allOldRSs, newRS, err := deploymentutil.GetAllReplicaSets(deployment, c.AppsV1())
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if err != nil {
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return "", err
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}
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if newRS == nil {
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// New RC hasn't been created yet.
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reason = "new replica set hasn't been created yet"
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return reason, nil
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}
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allRSs := append(oldRSs, newRS)
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// The old/new ReplicaSets need to contain the pod-template-hash label
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for i := range allRSs {
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if !labelsutil.SelectorHasLabel(allRSs[i].Spec.Selector, apps.DefaultDeploymentUniqueLabelKey) {
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reason = "all replica sets need to contain the pod-template-hash label"
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return reason, nil
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}
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}
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// Check max surge and min available
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totalCreated := deploymentutil.GetReplicaCountForReplicaSets(allRSs)
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maxCreated := *(deployment.Spec.Replicas) + deploymentutil.MaxSurge(*deployment)
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if totalCreated > maxCreated {
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LogReplicaSetsOfDeployment(deployment, allOldRSs, newRS, logf)
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LogPodsOfDeployment(c, deployment, allRSs, logf)
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return "", fmt.Errorf("total pods created: %d, more than the max allowed: %d", totalCreated, maxCreated)
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}
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minAvailable := deploymentutil.MinAvailable(deployment)
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if deployment.Status.AvailableReplicas < minAvailable {
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LogReplicaSetsOfDeployment(deployment, allOldRSs, newRS, logf)
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LogPodsOfDeployment(c, deployment, allRSs, logf)
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return "", fmt.Errorf("total pods available: %d, less than the min required: %d", deployment.Status.AvailableReplicas, minAvailable)
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}
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return "", nil
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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 *apps.Deployment, logf LogfFn, pollInterval, pollTimeout time.Duration) error {
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rolling := true
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return waitForDeploymentCompleteMaybeCheckRolling(c, d, rolling, logf, pollInterval, pollTimeout)
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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 *apps.Deployment, logf LogfFn, pollInterval, pollTimeout time.Duration) error {
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rolling := false
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return waitForDeploymentCompleteMaybeCheckRolling(c, d, rolling, logf, pollInterval, pollTimeout)
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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, so we only wait for 1 minute here to fail early.
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func WaitForDeploymentRevisionAndImage(c clientset.Interface, ns, deploymentName string, revision, image string, logf LogfFn, pollInterval, pollTimeout time.Duration) error {
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var deployment *apps.Deployment
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var newRS *apps.ReplicaSet
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var reason string
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err := wait.PollImmediate(pollInterval, pollTimeout, func() (bool, error) {
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var err error
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deployment, err = c.AppsV1().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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// The new ReplicaSet needs to be non-nil and contain the pod-template-hash label
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newRS, err = deploymentutil.GetNewReplicaSet(deployment, c.AppsV1())
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if err != nil {
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return false, err
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}
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if err := checkRevisionAndImage(deployment, newRS, revision, image); err != nil {
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reason = err.Error()
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logf(reason)
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return false, nil
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}
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return true, nil
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})
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if err == wait.ErrWaitTimeout {
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LogReplicaSetsOfDeployment(deployment, nil, newRS, logf)
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err = fmt.Errorf(reason)
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}
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if newRS == nil {
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return fmt.Errorf("deployment %q failed to create new replica set", deploymentName)
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}
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if err != nil {
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return fmt.Errorf("error waiting for deployment %q (got %s / %s) and new replica set %q (got %s / %s) revision and image to match expectation (expected %s / %s): %v", deploymentName, deployment.Annotations[deploymentutil.RevisionAnnotation], deployment.Spec.Template.Spec.Containers[0].Image, newRS.Name, newRS.Annotations[deploymentutil.RevisionAnnotation], newRS.Spec.Template.Spec.Containers[0].Image, revision, image, 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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deployment, err := c.AppsV1().Deployments(ns).Get(deploymentName, metav1.GetOptions{})
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if err != nil {
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return fmt.Errorf("unable to get deployment %s during revision check: %v", deploymentName, err)
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}
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// Check revision of the new replica set of this deployment
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newRS, err := deploymentutil.GetNewReplicaSet(deployment, c.AppsV1())
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if err != nil {
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return fmt.Errorf("unable to get new replicaset of deployment %s during revision check: %v", deploymentName, err)
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}
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return checkRevisionAndImage(deployment, newRS, revision, image)
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}
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func checkRevisionAndImage(deployment *apps.Deployment, newRS *apps.ReplicaSet, revision, image string) error {
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// The new ReplicaSet needs to be non-nil and contain the pod-template-hash label
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if newRS == nil {
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return fmt.Errorf("new replicaset for deployment %q is yet to be created", deployment.Name)
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}
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if !labelsutil.SelectorHasLabel(newRS.Spec.Selector, apps.DefaultDeploymentUniqueLabelKey) {
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return fmt.Errorf("new replica set %q doesn't have %q label selector", newRS.Name, apps.DefaultDeploymentUniqueLabelKey)
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}
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// Check revision of this deployment, and of the new replica set of this deployment
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if deployment.Annotations == nil || deployment.Annotations[deploymentutil.RevisionAnnotation] != revision {
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return fmt.Errorf("deployment %q doesn't have the required revision set", deployment.Name)
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}
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if newRS.Annotations == nil || newRS.Annotations[deploymentutil.RevisionAnnotation] != revision {
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return fmt.Errorf("new replicaset %q doesn't have the required revision set", newRS.Name)
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}
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// Check the image of this deployment, and of the new replica set of this deployment
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if !containsImage(deployment.Spec.Template.Spec.Containers, image) {
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return fmt.Errorf("deployment %q doesn't have the required image %s set", deployment.Name, image)
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}
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if !containsImage(newRS.Spec.Template.Spec.Containers, image) {
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return fmt.Errorf("new replica set %q doesn't have the required image %s.", newRS.Name, image)
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}
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return nil
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}
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func containsImage(containers []v1.Container, imageName string) bool {
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for _, container := range containers {
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if container.Image == imageName {
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return true
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}
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}
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return false
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}
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type UpdateDeploymentFunc func(d *apps.Deployment)
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func UpdateDeploymentWithRetries(c clientset.Interface, namespace, name string, applyUpdate UpdateDeploymentFunc, logf LogfFn, pollInterval, pollTimeout time.Duration) (*apps.Deployment, error) {
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var deployment *apps.Deployment
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var updateErr error
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pollErr := wait.PollImmediate(pollInterval, pollTimeout, func() (bool, error) {
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var err error
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if deployment, err = c.AppsV1().Deployments(namespace).Get(name, metav1.GetOptions{}); err != nil {
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return false, err
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}
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// Apply the update, then attempt to push it to the apiserver.
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applyUpdate(deployment)
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if deployment, err = c.AppsV1().Deployments(namespace).Update(deployment); err == nil {
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logf("Updating deployment %s", name)
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return true, nil
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}
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updateErr = err
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return false, nil
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})
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if pollErr == wait.ErrWaitTimeout {
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pollErr = fmt.Errorf("couldn't apply the provided updated to deployment %q: %v", name, updateErr)
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}
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return deployment, pollErr
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}
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func WaitForObservedDeployment(c clientset.Interface, ns, deploymentName string, desiredGeneration int64) error {
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return deploymentutil.WaitForObservedDeployment(func() (*apps.Deployment, error) {
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return c.AppsV1().Deployments(ns).Get(deploymentName, metav1.GetOptions{})
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}, desiredGeneration, 2*time.Second, 1*time.Minute)
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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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func WaitForDeploymentRollbackCleared(c clientset.Interface, ns, deploymentName string, pollInterval, pollTimeout time.Duration) error {
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err := wait.PollImmediate(pollInterval, pollTimeout, func() (bool, error) {
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deployment, err := c.AppsV1().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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// Rollback not set or is kicked off
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if deployment.Annotations[apps.DeprecatedRollbackTo] == "" {
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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 rollbackTo to be cleared: %v", deploymentName, err)
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}
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return nil
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}
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// WaitForDeploymentUpdatedReplicasGTE waits for given deployment to be observed by the controller and has at least a number of updatedReplicas
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func WaitForDeploymentUpdatedReplicasGTE(c clientset.Interface, ns, deploymentName string, minUpdatedReplicas int32, desiredGeneration int64, pollInterval, pollTimeout time.Duration) error {
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var deployment *apps.Deployment
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err := wait.PollImmediate(pollInterval, pollTimeout, func() (bool, error) {
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d, err := c.AppsV1().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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return deployment.Status.ObservedGeneration >= desiredGeneration && deployment.Status.UpdatedReplicas >= minUpdatedReplicas, nil
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})
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if err != nil {
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return fmt.Errorf("error waiting for deployment %q to have at least %d updatedReplicas: %v; latest .status.updatedReplicas: %d", deploymentName, minUpdatedReplicas, err, deployment.Status.UpdatedReplicas)
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}
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return nil
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}
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func WaitForDeploymentWithCondition(c clientset.Interface, ns, deploymentName, reason string, condType apps.DeploymentConditionType, logf LogfFn, pollInterval, pollTimeout time.Duration) error {
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var deployment *apps.Deployment
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pollErr := wait.PollImmediate(pollInterval, pollTimeout, func() (bool, error) {
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d, err := c.AppsV1().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, latest deployment conditions: %+v", deployment.Name, deployment.Status.Conditions)
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_, allOldRSs, newRS, err := deploymentutil.GetAllReplicaSets(deployment, c.AppsV1())
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if err == nil {
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LogReplicaSetsOfDeployment(deployment, allOldRSs, newRS, logf)
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LogPodsOfDeployment(c, deployment, append(allOldRSs, newRS), logf)
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}
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}
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return pollErr
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}
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Block a user