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67 lines
2.2 KiB
Go
67 lines
2.2 KiB
Go
// Copyright (c) 2020 Gitpod GmbH. All rights reserved.
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// Licensed under the GNU Affero General Public License (AGPL).
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// See License-AGPL.txt in the project root for license information.
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package test
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import (
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"fmt"
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"os"
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"path/filepath"
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"github.com/gitpod-io/gitpod/common-go/log"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/client-go/kubernetes"
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"k8s.io/client-go/tools/clientcmd"
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)
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// GetIntegrationTestClient provides a kubernetes client for integration tests
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func GetIntegrationTestClient(kubecfgfn string) (client kubernetes.Interface, namespace string, err error) {
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var kubeconfig string
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switch kubecfgfn {
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case "disabled":
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return
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case "local":
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var home string
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home, err = os.UserHomeDir()
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if err != nil {
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err = fmt.Errorf("cannot determine user home dir: %w", err)
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return
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}
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kubeconfig = filepath.Join(home, ".kube", "config")
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default:
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kubeconfig = kubecfgfn
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}
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cfg := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(
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&clientcmd.ClientConfigLoadingRules{ExplicitPath: kubeconfig},
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&clientcmd.ConfigOverrides{},
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)
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namespace, _, err = cfg.Namespace()
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if err != nil {
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err = fmt.Errorf("cannot get namespace from kubeconfig: %w", err)
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return
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}
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res, err := clientcmd.BuildConfigFromFlags("", kubeconfig)
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if err != nil {
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err = fmt.Errorf("cannot build kubeconfig: %w", err)
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return
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}
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client = kubernetes.NewForConfigOrDie(res)
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ps, err := client.CoreV1().Pods(namespace).List(metav1.ListOptions{LabelSelector: "component=ws-manager"})
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if err != nil {
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log.WithError(err).Warn("cannot ensure there's no ws-manager running - test may fail inexplicably")
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}
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if len(ps.Items) > 0 {
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err = fmt.Errorf("there's a ws-manager running in the namespace %s - this would break the tests. Please scale down that ws-manager prior to running the test (kubectl scale --replicas=0 --namespace=%s deployment/ws-manager)", namespace, namespace)
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return
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}
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client.CoreV1().Pods(namespace).DeleteCollection(metav1.NewDeleteOptions(30), metav1.ListOptions{LabelSelector: "component=workspace"})
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client.CoreV1().ConfigMaps(namespace).DeleteCollection(metav1.NewDeleteOptions(30), metav1.ListOptions{LabelSelector: "component=workspace"})
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return
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}
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