111 lines
3.8 KiB
Go
111 lines
3.8 KiB
Go
/*
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Copyright the Velero contributors.
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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 e2e
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import (
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"fmt"
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"io/ioutil"
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"os/exec"
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"time"
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"github.com/pkg/errors"
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"golang.org/x/net/context"
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corev1api "k8s.io/api/core/v1"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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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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"github.com/vmware-tanzu/velero/pkg/builder"
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)
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// ensureClusterExists returns whether or not a kubernetes cluster exists for tests to be run on.
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func ensureClusterExists(ctx context.Context) error {
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return exec.CommandContext(ctx, "kubectl", "cluster-info").Run()
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}
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// createNamespace creates a kubernetes namespace
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func createNamespace(ctx context.Context, client testClient, namespace string) error {
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ns := builder.ForNamespace(namespace).Result()
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_, err := client.clientGo.CoreV1().Namespaces().Create(ctx, ns, metav1.CreateOptions{})
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if apierrors.IsAlreadyExists(err) {
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return nil
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}
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return err
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}
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func getNamespace(ctx context.Context, client testClient, namespace string) (*corev1api.Namespace, error) {
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return client.clientGo.CoreV1().Namespaces().Get(ctx, namespace, metav1.GetOptions{})
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}
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// waitForNamespaceDeletion waits for namespace to be deleted.
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func waitForNamespaceDeletion(interval, timeout time.Duration, client testClient, ns string) error {
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err := wait.PollImmediate(interval, timeout, func() (bool, error) {
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_, err := client.clientGo.CoreV1().Namespaces().Get(context.TODO(), ns, metav1.GetOptions{})
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if err != nil {
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if apierrors.IsNotFound(err) {
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return true, nil
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}
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return false, err
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}
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fmt.Printf("Namespace %s is still being deleted...\n", ns)
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return false, nil
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})
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return err
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}
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func createSecretFromFiles(ctx context.Context, client testClient, namespace string, name string, files map[string]string) error {
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data := make(map[string][]byte)
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for key, filePath := range files {
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contents, err := ioutil.ReadFile(filePath)
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if err != nil {
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return errors.WithMessagef(err, "Failed to read secret file %q", filePath)
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}
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data[key] = contents
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}
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secret := builder.ForSecret(namespace, name).Data(data).Result()
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_, err := client.clientGo.CoreV1().Secrets(namespace).Create(ctx, secret, metav1.CreateOptions{})
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return err
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}
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// waitForPods waits until all of the pods have gone to PodRunning state
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func waitForPods(ctx context.Context, client testClient, namespace string, pods []string) error {
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timeout := 10 * time.Minute
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interval := 5 * time.Second
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err := wait.PollImmediate(interval, timeout, func() (bool, error) {
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for _, podName := range pods {
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checkPod, err := client.clientGo.CoreV1().Pods(namespace).Get(ctx, podName, metav1.GetOptions{})
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if err != nil {
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return false, errors.WithMessage(err, fmt.Sprintf("Failed to verify pod %s/%s is %s", namespace, podName, corev1api.PodRunning))
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}
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// If any pod is still waiting we don't need to check any more so return and wait for next poll interval
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if checkPod.Status.Phase != corev1api.PodRunning {
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fmt.Printf("Pod %s is in state %s waiting for it to be %s\n", podName, checkPod.Status.Phase, corev1api.PodRunning)
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return false, nil
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}
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}
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// All pods were in PodRunning state, we're successful
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return true, nil
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})
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if err != nil {
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return errors.Wrapf(err, fmt.Sprintf("Failed to wait for pods in namespace %s to start running", namespace))
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}
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return nil
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}
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