Test using a service account token to auth to the impersonator
Also make each t.Run use its own namespace to slight reduce the interdependency between them. Use t.Cleanup instead of defer in whoami_test.go just to be consistent with other integration tests.
This commit is contained in:
Ryan Richard
parent
61d64fc4c6
commit
34accc3dee
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@ -214,20 +214,10 @@ func TestImpersonationProxy(t *testing.T) { //nolint:gocyclo // yeah, it's compl
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)
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}
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// Create a namespace, because it will be easier to exercise "deletecollection" if we have a namespace.
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namespace, err := adminClient.CoreV1().Namespaces().Create(ctx, &corev1.Namespace{
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ObjectMeta: metav1.ObjectMeta{GenerateName: "impersonation-integration-test-"},
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}, metav1.CreateOptions{})
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require.NoError(t, err)
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// Schedule the namespace for cleanup.
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t.Cleanup(func() {
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t.Logf("cleaning up test namespace %s", namespace.Name)
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err = adminClient.CoreV1().Namespaces().Delete(context.Background(), namespace.Name, metav1.DeleteOptions{})
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require.NoError(t, err)
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})
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t.Run("using and watching all the basic verbs", func(t *testing.T) {
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// Create a namespace, because it will be easier to exercise "deletecollection" if we have a namespace.
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namespaceName := createTestNamespace(t, adminClient)
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// Try more Kube API verbs through the impersonation proxy.
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t.Run("watching all the basic verbs", func(t *testing.T) {
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// Create an RBAC rule to allow this user to read/write everything.
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library.CreateTestClusterRoleBinding(t,
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rbacv1.Subject{Kind: rbacv1.UserKind, APIGroup: rbacv1.GroupName, Name: env.TestUser.ExpectedUsername},
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@ -235,14 +225,14 @@ func TestImpersonationProxy(t *testing.T) { //nolint:gocyclo // yeah, it's compl
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)
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// Wait for the above RBAC rule to take effect.
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library.WaitForUserToHaveAccess(t, env.TestUser.ExpectedUsername, []string{}, &v1.ResourceAttributes{
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Namespace: namespace.Name, Verb: "create", Group: "", Version: "v1", Resource: "configmaps",
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Namespace: namespaceName, Verb: "create", Group: "", Version: "v1", Resource: "configmaps",
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})
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// Create and start informer to exercise the "watch" verb for us.
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informerFactory := k8sinformers.NewSharedInformerFactoryWithOptions(
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impersonationProxyKubeClient(),
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0,
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k8sinformers.WithNamespace(namespace.Name))
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k8sinformers.WithNamespace(namespaceName))
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informer := informerFactory.Core().V1().ConfigMaps()
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informer.Informer() // makes sure that the informer will cache
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stopChannel := make(chan struct{})
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@ -260,17 +250,17 @@ func TestImpersonationProxy(t *testing.T) { //nolint:gocyclo // yeah, it's compl
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}
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// Test "create" verb through the impersonation proxy.
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_, err = impersonationProxyKubeClient().CoreV1().ConfigMaps(namespace.Name).Create(ctx,
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_, err = impersonationProxyKubeClient().CoreV1().ConfigMaps(namespaceName).Create(ctx,
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&corev1.ConfigMap{ObjectMeta: metav1.ObjectMeta{Name: "configmap-1", Labels: configMapLabels}},
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metav1.CreateOptions{},
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)
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require.NoError(t, err)
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_, err = impersonationProxyKubeClient().CoreV1().ConfigMaps(namespace.Name).Create(ctx,
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_, err = impersonationProxyKubeClient().CoreV1().ConfigMaps(namespaceName).Create(ctx,
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&corev1.ConfigMap{ObjectMeta: metav1.ObjectMeta{Name: "configmap-2", Labels: configMapLabels}},
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metav1.CreateOptions{},
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)
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require.NoError(t, err)
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_, err = impersonationProxyKubeClient().CoreV1().ConfigMaps(namespace.Name).Create(ctx,
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_, err = impersonationProxyKubeClient().CoreV1().ConfigMaps(namespaceName).Create(ctx,
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&corev1.ConfigMap{ObjectMeta: metav1.ObjectMeta{Name: "configmap-3", Labels: configMapLabels}},
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metav1.CreateOptions{},
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)
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@ -279,18 +269,18 @@ func TestImpersonationProxy(t *testing.T) { //nolint:gocyclo // yeah, it's compl
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// Make sure that all of the created ConfigMaps show up in the informer's cache to
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// demonstrate that the informer's "watch" verb is working through the impersonation proxy.
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require.Eventually(t, func() bool {
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_, err1 := informer.Lister().ConfigMaps(namespace.Name).Get("configmap-1")
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_, err2 := informer.Lister().ConfigMaps(namespace.Name).Get("configmap-2")
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_, err3 := informer.Lister().ConfigMaps(namespace.Name).Get("configmap-3")
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_, err1 := informer.Lister().ConfigMaps(namespaceName).Get("configmap-1")
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_, err2 := informer.Lister().ConfigMaps(namespaceName).Get("configmap-2")
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_, err3 := informer.Lister().ConfigMaps(namespaceName).Get("configmap-3")
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return err1 == nil && err2 == nil && err3 == nil
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}, 10*time.Second, 50*time.Millisecond)
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// Test "get" verb through the impersonation proxy.
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configMap3, err := impersonationProxyKubeClient().CoreV1().ConfigMaps(namespace.Name).Get(ctx, "configmap-3", metav1.GetOptions{})
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configMap3, err := impersonationProxyKubeClient().CoreV1().ConfigMaps(namespaceName).Get(ctx, "configmap-3", metav1.GetOptions{})
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require.NoError(t, err)
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// Test "list" verb through the impersonation proxy.
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listResult, err := impersonationProxyKubeClient().CoreV1().ConfigMaps(namespace.Name).List(ctx, metav1.ListOptions{
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listResult, err := impersonationProxyKubeClient().CoreV1().ConfigMaps(namespaceName).List(ctx, metav1.ListOptions{
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LabelSelector: configMapLabels.String(),
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})
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require.NoError(t, err)
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@ -298,18 +288,18 @@ func TestImpersonationProxy(t *testing.T) { //nolint:gocyclo // yeah, it's compl
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// Test "update" verb through the impersonation proxy.
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configMap3.Data = map[string]string{"foo": "bar"}
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updateResult, err := impersonationProxyKubeClient().CoreV1().ConfigMaps(namespace.Name).Update(ctx, configMap3, metav1.UpdateOptions{})
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updateResult, err := impersonationProxyKubeClient().CoreV1().ConfigMaps(namespaceName).Update(ctx, configMap3, metav1.UpdateOptions{})
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require.NoError(t, err)
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require.Equal(t, "bar", updateResult.Data["foo"])
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// Make sure that the updated ConfigMap shows up in the informer's cache.
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require.Eventually(t, func() bool {
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configMap, err := informer.Lister().ConfigMaps(namespace.Name).Get("configmap-3")
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configMap, err := informer.Lister().ConfigMaps(namespaceName).Get("configmap-3")
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return err == nil && configMap.Data["foo"] == "bar"
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}, 10*time.Second, 50*time.Millisecond)
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// Test "patch" verb through the impersonation proxy.
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patchResult, err := impersonationProxyKubeClient().CoreV1().ConfigMaps(namespace.Name).Patch(ctx,
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patchResult, err := impersonationProxyKubeClient().CoreV1().ConfigMaps(namespaceName).Patch(ctx,
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"configmap-3",
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types.MergePatchType,
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[]byte(`{"data":{"baz":"42"}}`),
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@ -321,33 +311,33 @@ func TestImpersonationProxy(t *testing.T) { //nolint:gocyclo // yeah, it's compl
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// Make sure that the patched ConfigMap shows up in the informer's cache.
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require.Eventually(t, func() bool {
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configMap, err := informer.Lister().ConfigMaps(namespace.Name).Get("configmap-3")
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configMap, err := informer.Lister().ConfigMaps(namespaceName).Get("configmap-3")
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return err == nil && configMap.Data["foo"] == "bar" && configMap.Data["baz"] == "42"
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}, 10*time.Second, 50*time.Millisecond)
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// Test "delete" verb through the impersonation proxy.
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err = impersonationProxyKubeClient().CoreV1().ConfigMaps(namespace.Name).Delete(ctx, "configmap-3", metav1.DeleteOptions{})
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err = impersonationProxyKubeClient().CoreV1().ConfigMaps(namespaceName).Delete(ctx, "configmap-3", metav1.DeleteOptions{})
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require.NoError(t, err)
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// Make sure that the deleted ConfigMap shows up in the informer's cache.
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require.Eventually(t, func() bool {
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_, getErr := informer.Lister().ConfigMaps(namespace.Name).Get("configmap-3")
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list, listErr := informer.Lister().ConfigMaps(namespace.Name).List(configMapLabels.AsSelector())
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_, getErr := informer.Lister().ConfigMaps(namespaceName).Get("configmap-3")
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list, listErr := informer.Lister().ConfigMaps(namespaceName).List(configMapLabels.AsSelector())
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return k8serrors.IsNotFound(getErr) && listErr == nil && len(list) == 2
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}, 10*time.Second, 50*time.Millisecond)
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// Test "deletecollection" verb through the impersonation proxy.
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err = impersonationProxyKubeClient().CoreV1().ConfigMaps(namespace.Name).DeleteCollection(ctx, metav1.DeleteOptions{}, metav1.ListOptions{})
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err = impersonationProxyKubeClient().CoreV1().ConfigMaps(namespaceName).DeleteCollection(ctx, metav1.DeleteOptions{}, metav1.ListOptions{})
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require.NoError(t, err)
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// Make sure that the deleted ConfigMaps shows up in the informer's cache.
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require.Eventually(t, func() bool {
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list, listErr := informer.Lister().ConfigMaps(namespace.Name).List(configMapLabels.AsSelector())
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list, listErr := informer.Lister().ConfigMaps(namespaceName).List(configMapLabels.AsSelector())
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return listErr == nil && len(list) == 0
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}, 10*time.Second, 50*time.Millisecond)
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// There should be no ConfigMaps left.
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listResult, err = impersonationProxyKubeClient().CoreV1().ConfigMaps(namespace.Name).List(ctx, metav1.ListOptions{
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listResult, err = impersonationProxyKubeClient().CoreV1().ConfigMaps(namespaceName).List(ctx, metav1.ListOptions{
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LabelSelector: configMapLabels.String(),
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})
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require.NoError(t, err)
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@ -385,11 +375,7 @@ func TestImpersonationProxy(t *testing.T) { //nolint:gocyclo // yeah, it's compl
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env.TestUser.ExpectedUsername))
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})
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t.Run("using service account tokens to authenticate to impersonation proxy", func(t *testing.T) {
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// TODO: test that this is not currently allowed
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})
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t.Run("WhoAmIRequests through the impersonation proxy", func(t *testing.T) {
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t.Run("WhoAmIRequests and different kinds of authentication through the impersonation proxy", func(t *testing.T) {
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// Test using the TokenCredentialRequest for authentication.
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impersonationProxyPinnipedConciergeClient := newImpersonationProxyClient(
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impersonationProxyURL, impersonationProxyCACertPEM, "",
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@ -398,7 +384,10 @@ func TestImpersonationProxy(t *testing.T) { //nolint:gocyclo // yeah, it's compl
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Create(ctx, &identityv1alpha1.WhoAmIRequest{}, metav1.CreateOptions{})
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require.NoError(t, err)
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require.Equal(t,
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expectedWhoAmIRequestResponse(env.TestUser.ExpectedUsername, append(env.TestUser.ExpectedGroups, "system:authenticated")),
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expectedWhoAmIRequestResponse(
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env.TestUser.ExpectedUsername,
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append(env.TestUser.ExpectedGroups, "system:authenticated"),
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),
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whoAmI,
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)
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Create(ctx, &identityv1alpha1.WhoAmIRequest{}, metav1.CreateOptions{})
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require.NoError(t, err)
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require.Equal(t,
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expectedWhoAmIRequestResponse("system:anonymous", []string{"system:unauthenticated"}),
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expectedWhoAmIRequestResponse(
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"system:anonymous",
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[]string{"system:unauthenticated"},
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),
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whoAmI,
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)
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// Test using a service account token. Authenticating as Service Accounts through the impersonation
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// proxy is not supported, so it should fail.
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namespaceName := createTestNamespace(t, adminClient)
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impersonationProxyServiceAccountPinnipedConciergeClient := newImpersonationProxyClientWithCredentials(
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&loginv1alpha1.ClusterCredential{Token: createServiceAccountToken(ctx, t, adminClient, namespaceName)},
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impersonationProxyURL, impersonationProxyCACertPEM, "").PinnipedConcierge
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whoAmI, err = impersonationProxyServiceAccountPinnipedConciergeClient.IdentityV1alpha1().WhoAmIRequests().
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Create(ctx, &identityv1alpha1.WhoAmIRequest{}, metav1.CreateOptions{})
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require.Error(t, err)
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// The server checks that we have a UID in the request and rejects it with a 422 Unprocessable Entity.
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// The API machinery turns 422's into this error text...
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require.Contains(t, err.Error(), "the server rejected our request due to an error in our request")
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})
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t.Run("kubectl as a client", func(t *testing.T) {
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@ -558,13 +563,15 @@ func TestImpersonationProxy(t *testing.T) { //nolint:gocyclo // yeah, it's compl
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})
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t.Run("websocket client", func(t *testing.T) {
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namespaceName := createTestNamespace(t, adminClient)
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library.CreateTestClusterRoleBinding(t,
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rbacv1.Subject{Kind: rbacv1.UserKind, APIGroup: rbacv1.GroupName, Name: env.TestUser.ExpectedUsername},
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rbacv1.RoleRef{Kind: "ClusterRole", APIGroup: rbacv1.GroupName, Name: "cluster-admin"},
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)
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// Wait for the above RBAC rule to take effect.
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library.WaitForUserToHaveAccess(t, env.TestUser.ExpectedUsername, []string{}, &v1.ResourceAttributes{
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Namespace: namespace.Name, Verb: "create", Group: "", Version: "v1", Resource: "configmaps",
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Namespace: namespaceName, Verb: "create", Group: "", Version: "v1", Resource: "configmaps",
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})
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impersonationRestConfig := impersonationProxyRestConfig(refreshCredential(), impersonationProxyURL, impersonationProxyCACertPEM, "")
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@ -573,7 +580,7 @@ func TestImpersonationProxy(t *testing.T) { //nolint:gocyclo // yeah, it's compl
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dest, _ := url.Parse(impersonationProxyURL)
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dest.Scheme = "wss"
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dest.Path = "/api/v1/namespaces/" + namespace.Name + "/configmaps"
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dest.Path = "/api/v1/namespaces/" + namespaceName + "/configmaps"
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dest.RawQuery = "watch=1&resourceVersion=0"
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dialer := websocket.Dialer{
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@ -600,14 +607,14 @@ func TestImpersonationProxy(t *testing.T) { //nolint:gocyclo // yeah, it's compl
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require.NoError(t, err)
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// perform a create through the admin client
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_, err = adminClient.CoreV1().ConfigMaps(namespace.Name).Create(ctx,
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_, err = adminClient.CoreV1().ConfigMaps(namespaceName).Create(ctx,
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&corev1.ConfigMap{ObjectMeta: metav1.ObjectMeta{Name: "configmap-1"}},
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metav1.CreateOptions{},
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)
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require.NoError(t, err)
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t.Cleanup(func() {
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err = adminClient.CoreV1().ConfigMaps(namespace.Name).DeleteCollection(ctx, metav1.DeleteOptions{}, metav1.ListOptions{})
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require.NoError(t, err)
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require.NoError(t, adminClient.CoreV1().ConfigMaps(namespaceName).
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DeleteCollection(context.Background(), metav1.DeleteOptions{}, metav1.ListOptions{}))
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})
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// see if the websocket client received an event for the create
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@ -695,6 +702,64 @@ func TestImpersonationProxy(t *testing.T) { //nolint:gocyclo // yeah, it's compl
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})
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}
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func createTestNamespace(t *testing.T, adminClient kubernetes.Interface) string {
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t.Helper()
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ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
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defer cancel()
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namespace, err := adminClient.CoreV1().Namespaces().Create(ctx, &corev1.Namespace{
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ObjectMeta: metav1.ObjectMeta{GenerateName: "impersonation-integration-test-"},
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}, metav1.CreateOptions{})
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require.NoError(t, err)
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t.Cleanup(func() {
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ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
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defer cancel()
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t.Logf("cleaning up test namespace %s", namespace.Name)
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require.NoError(t, adminClient.CoreV1().Namespaces().Delete(ctx, namespace.Name, metav1.DeleteOptions{}))
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})
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return namespace.Name
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}
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func createServiceAccountToken(ctx context.Context, t *testing.T, adminClient kubernetes.Interface, namespaceName string) string {
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t.Helper()
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serviceAccount, err := adminClient.CoreV1().ServiceAccounts(namespaceName).Create(ctx,
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&corev1.ServiceAccount{ObjectMeta: metav1.ObjectMeta{GenerateName: "int-test-service-account-"}}, metav1.CreateOptions{})
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require.NoError(t, err)
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t.Cleanup(func() {
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require.NoError(t, adminClient.CoreV1().ServiceAccounts(namespaceName).
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Delete(context.Background(), serviceAccount.Name, metav1.DeleteOptions{}))
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})
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secret, err := adminClient.CoreV1().Secrets(namespaceName).Create(ctx, &corev1.Secret{
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ObjectMeta: metav1.ObjectMeta{
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GenerateName: "int-test-service-account-token-",
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Annotations: map[string]string{
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corev1.ServiceAccountNameKey: serviceAccount.Name,
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},
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},
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Type: corev1.SecretTypeServiceAccountToken,
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}, metav1.CreateOptions{})
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require.NoError(t, err)
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t.Cleanup(func() {
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require.NoError(t, adminClient.CoreV1().Secrets(namespaceName).
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Delete(context.Background(), secret.Name, metav1.DeleteOptions{}))
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})
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library.RequireEventuallyWithoutError(t, func() (bool, error) {
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secret, err = adminClient.CoreV1().Secrets(namespaceName).Get(ctx, secret.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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return len(secret.Data[corev1.ServiceAccountTokenKey]) > 0, nil
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}, time.Minute, time.Second)
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return string(secret.Data[corev1.ServiceAccountTokenKey])
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}
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func expectedWhoAmIRequestResponse(username string, groups []string) *identityv1alpha1.WhoAmIRequest {
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return &identityv1alpha1.WhoAmIRequest{
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Status: identityv1alpha1.WhoAmIRequestStatus{
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|
|
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@ -75,13 +75,9 @@ func TestWhoAmI_ServiceAccount_Legacy(t *testing.T) {
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}, metav1.CreateOptions{})
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require.NoError(t, err)
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defer func() {
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if t.Failed() {
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return
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}
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err := kubeClient.Namespaces().Delete(ctx, ns.Name, metav1.DeleteOptions{})
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require.NoError(t, err)
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}()
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t.Cleanup(func() {
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require.NoError(t, kubeClient.Namespaces().Delete(context.Background(), ns.Name, metav1.DeleteOptions{}))
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})
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sa, err := kubeClient.ServiceAccounts(ns.Name).Create(ctx, &corev1.ServiceAccount{
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ObjectMeta: metav1.ObjectMeta{
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@ -152,13 +148,9 @@ func TestWhoAmI_ServiceAccount_TokenRequest(t *testing.T) {
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}, metav1.CreateOptions{})
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require.NoError(t, err)
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defer func() {
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if t.Failed() {
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return
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}
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err := kubeClient.Namespaces().Delete(ctx, ns.Name, metav1.DeleteOptions{})
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require.NoError(t, err)
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}()
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t.Cleanup(func() {
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require.NoError(t, kubeClient.Namespaces().Delete(context.Background(), ns.Name, metav1.DeleteOptions{}))
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})
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sa, err := kubeClient.ServiceAccounts(ns.Name).Create(ctx, &corev1.ServiceAccount{
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ObjectMeta: metav1.ObjectMeta{
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|
|
@ -287,13 +279,10 @@ func TestWhoAmI_CSR(t *testing.T) {
|
|||
)
|
||||
require.NoError(t, err)
|
||||
|
||||
defer func() {
|
||||
if t.Failed() {
|
||||
return
|
||||
}
|
||||
err := kubeClient.CertificatesV1beta1().CertificateSigningRequests().Delete(ctx, csrName, metav1.DeleteOptions{})
|
||||
require.NoError(t, err)
|
||||
}()
|
||||
t.Cleanup(func() {
|
||||
require.NoError(t, kubeClient.CertificatesV1beta1().CertificateSigningRequests().
|
||||
Delete(context.Background(), csrName, metav1.DeleteOptions{}))
|
||||
})
|
||||
|
||||
// this is a blind update with no resource version checks, which is only safe during tests
|
||||
// use the beta CSR API to support older clusters
|
||||
|
|
|
|||
Loading…
Reference in New Issue