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e2e: add helper functions to use deployment kind objects
Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
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Prasanna Kumar Kalever
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Nov 23, 2021
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/* | ||
Copyright 2021 The Ceph-CSI Authors. | ||
Licensed under the Apache License, Version 2.0 (the "License"); | ||
you may not use this file except in compliance with the License. | ||
You may obtain a copy of the License at | ||
http://www.apache.org/licenses/LICENSE-2.0 | ||
Unless required by applicable law or agreed to in writing, software | ||
distributed under the License is distributed on an "AS IS" BASIS, | ||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
See the License for the specific language governing permissions and | ||
limitations under the License. | ||
*/ | ||
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package e2e | ||
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import ( | ||
"context" | ||
"fmt" | ||
"time" | ||
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appsv1 "k8s.io/api/apps/v1" | ||
apierrs "k8s.io/apimachinery/pkg/api/errors" | ||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
"k8s.io/apimachinery/pkg/util/wait" | ||
"k8s.io/client-go/kubernetes" | ||
deploymentutil "k8s.io/kubernetes/pkg/controller/deployment/util" | ||
"k8s.io/kubernetes/test/e2e/framework" | ||
e2elog "k8s.io/kubernetes/test/e2e/framework/log" | ||
) | ||
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// execCommandInPodWithName run command in pod using podName. | ||
func execCommandInPodWithName( | ||
f *framework.Framework, | ||
cmdString, | ||
podName, | ||
containerName, | ||
nameSpace string) (string, string, error) { | ||
cmd := []string{"/bin/sh", "-c", cmdString} | ||
podOpt := framework.ExecOptions{ | ||
Command: cmd, | ||
PodName: podName, | ||
Namespace: nameSpace, | ||
ContainerName: containerName, | ||
Stdin: nil, | ||
CaptureStdout: true, | ||
CaptureStderr: true, | ||
PreserveWhitespace: true, | ||
} | ||
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return f.ExecWithOptions(podOpt) | ||
} | ||
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// loadAppDeployment loads the deployment app config and return deployment | ||
// object. | ||
func loadAppDeployment(path string) (*appsv1.Deployment, error) { | ||
deploy := appsv1.Deployment{} | ||
if err := unmarshal(path, &deploy); err != nil { | ||
return nil, err | ||
} | ||
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return &deploy, nil | ||
} | ||
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// createDeploymentApp creates the deployment object and waits for it to be in | ||
// Available state. | ||
func createDeploymentApp(clientSet kubernetes.Interface, app *appsv1.Deployment, deployTimeout int) error { | ||
_, err := clientSet.AppsV1().Deployments(app.Namespace).Create(context.TODO(), app, metav1.CreateOptions{}) | ||
if err != nil { | ||
return fmt.Errorf("failed to create deploy: %w", err) | ||
} | ||
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return waitForDeploymentInAvailableState(clientSet, app.Name, app.Namespace, deployTimeout) | ||
} | ||
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// deleteDeploymentApp deletes the deployment object. | ||
func deleteDeploymentApp(clientSet kubernetes.Interface, name, ns string, deployTimeout int) error { | ||
timeout := time.Duration(deployTimeout) * time.Minute | ||
err := clientSet.AppsV1().Deployments(ns).Delete(context.TODO(), name, metav1.DeleteOptions{}) | ||
if err != nil { | ||
return fmt.Errorf("failed to delete deployment: %w", err) | ||
} | ||
start := time.Now() | ||
e2elog.Logf("Waiting for deployment %q to be deleted", name) | ||
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return wait.PollImmediate(poll, timeout, func() (bool, error) { | ||
_, err := clientSet.AppsV1().Deployments(ns).Get(context.TODO(), name, metav1.GetOptions{}) | ||
if err != nil { | ||
if isRetryableAPIError(err) { | ||
return false, nil | ||
} | ||
if apierrs.IsNotFound(err) { | ||
return true, nil | ||
} | ||
e2elog.Logf("%q deployment to be deleted (%d seconds elapsed)", name, int(time.Since(start).Seconds())) | ||
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return false, fmt.Errorf("failed to get deployment: %w", err) | ||
} | ||
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return false, nil | ||
}) | ||
} | ||
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// waitForDeploymentInAvailableState wait for deployment to be in Available state. | ||
func waitForDeploymentInAvailableState(clientSet kubernetes.Interface, name, ns string, deployTimeout int) error { | ||
timeout := time.Duration(deployTimeout) * time.Minute | ||
start := time.Now() | ||
e2elog.Logf("Waiting up to %q to be in Available state", name) | ||
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return wait.PollImmediate(poll, timeout, func() (bool, error) { | ||
d, err := clientSet.AppsV1().Deployments(ns).Get(context.TODO(), name, metav1.GetOptions{}) | ||
if err != nil { | ||
if isRetryableAPIError(err) { | ||
return false, nil | ||
} | ||
e2elog.Logf("%q deployment to be Available (%d seconds elapsed)", name, int(time.Since(start).Seconds())) | ||
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return false, err | ||
} | ||
cond := deploymentutil.GetDeploymentCondition(d.Status, appsv1.DeploymentAvailable) | ||
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return cond != nil, nil | ||
}) | ||
} |
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