226 lines
7.7 KiB
Go
226 lines
7.7 KiB
Go
// Copyright 2020 the Pinniped contributors. All Rights Reserved.
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// SPDX-License-Identifier: Apache-2.0
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package library
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import (
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"context"
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"crypto/rand"
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"encoding/hex"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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corev1 "k8s.io/api/core/v1"
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k8serrors "k8s.io/apimachinery/pkg/api/errors"
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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/rest"
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"k8s.io/client-go/tools/clientcmd"
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aggregatorclient "k8s.io/kube-aggregator/pkg/client/clientset_generated/clientset"
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auth1alpha1 "go.pinniped.dev/generated/1.19/apis/concierge/authentication/v1alpha1"
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configv1alpha1 "go.pinniped.dev/generated/1.19/apis/supervisor/config/v1alpha1"
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conciergeclientset "go.pinniped.dev/generated/1.19/client/concierge/clientset/versioned"
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supervisorclientset "go.pinniped.dev/generated/1.19/client/supervisor/clientset/versioned"
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// Import to initialize client auth plugins - the kubeconfig that we use for
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// testing may use gcloud, az, oidc, etc.
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_ "k8s.io/client-go/plugin/pkg/client/auth"
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)
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func NewClientConfig(t *testing.T) *rest.Config {
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t.Helper()
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return newClientConfigWithOverrides(t, &clientcmd.ConfigOverrides{})
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}
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func NewClientset(t *testing.T) kubernetes.Interface {
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t.Helper()
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return newClientsetWithConfig(t, NewClientConfig(t))
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}
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func NewClientsetForKubeConfig(t *testing.T, kubeConfig string) kubernetes.Interface {
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t.Helper()
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kubeConfigFile, err := ioutil.TempFile("", "pinniped-cli-test-*")
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require.NoError(t, err)
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defer os.Remove(kubeConfigFile.Name())
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_, err = kubeConfigFile.Write([]byte(kubeConfig))
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require.NoError(t, err)
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restConfig, err := clientcmd.BuildConfigFromFlags("", kubeConfigFile.Name())
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require.NoError(t, err)
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return newClientsetWithConfig(t, restConfig)
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}
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func NewClientsetWithCertAndKey(t *testing.T, clientCertificateData, clientKeyData string) kubernetes.Interface {
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t.Helper()
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return newClientsetWithConfig(t, newAnonymousClientRestConfigWithCertAndKeyAdded(t, clientCertificateData, clientKeyData))
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}
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func NewSupervisorClientset(t *testing.T) supervisorclientset.Interface {
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t.Helper()
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return supervisorclientset.NewForConfigOrDie(NewClientConfig(t))
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}
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func NewConciergeClientset(t *testing.T) conciergeclientset.Interface {
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t.Helper()
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return conciergeclientset.NewForConfigOrDie(NewClientConfig(t))
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}
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func NewAnonymousConciergeClientset(t *testing.T) conciergeclientset.Interface {
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t.Helper()
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return conciergeclientset.NewForConfigOrDie(newAnonymousClientRestConfig(t))
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}
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func NewAggregatedClientset(t *testing.T) aggregatorclient.Interface {
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t.Helper()
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return aggregatorclient.NewForConfigOrDie(NewClientConfig(t))
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}
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func newClientConfigWithOverrides(t *testing.T, overrides *clientcmd.ConfigOverrides) *rest.Config {
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t.Helper()
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loader := clientcmd.NewDefaultClientConfigLoadingRules()
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clientConfig := clientcmd.NewNonInteractiveDeferredLoadingClientConfig(loader, overrides)
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config, err := clientConfig.ClientConfig()
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require.NoError(t, err)
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return config
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}
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func newClientsetWithConfig(t *testing.T, config *rest.Config) kubernetes.Interface {
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t.Helper()
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result, err := kubernetes.NewForConfig(config)
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require.NoError(t, err, "unexpected failure from kubernetes.NewForConfig()")
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return result
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}
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// Returns a rest.Config without any user authentication info.
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func newAnonymousClientRestConfig(t *testing.T) *rest.Config {
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t.Helper()
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return rest.AnonymousClientConfig(NewClientConfig(t))
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}
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// Starting with an anonymous client config, add a cert and key to use for authentication in the API server.
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func newAnonymousClientRestConfigWithCertAndKeyAdded(t *testing.T, clientCertificateData, clientKeyData string) *rest.Config {
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t.Helper()
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config := newAnonymousClientRestConfig(t)
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config.CertData = []byte(clientCertificateData)
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config.KeyData = []byte(clientKeyData)
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return config
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}
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// CreateTestWebhookAuthenticator creates and returns a test WebhookAuthenticator in $PINNIPED_TEST_CONCIERGE_NAMESPACE, which will be
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// automatically deleted at the end of the current test's lifetime. It returns a corev1.TypedLocalObjectReference which
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// describes the test webhook authenticator within the test namespace.
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func CreateTestWebhookAuthenticator(ctx context.Context, t *testing.T) corev1.TypedLocalObjectReference {
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t.Helper()
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testEnv := IntegrationEnv(t)
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client := NewConciergeClientset(t)
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webhooks := client.AuthenticationV1alpha1().WebhookAuthenticators(testEnv.ConciergeNamespace)
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createContext, cancel := context.WithTimeout(ctx, 5*time.Second)
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defer cancel()
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webhook, err := webhooks.Create(createContext, &auth1alpha1.WebhookAuthenticator{
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ObjectMeta: metav1.ObjectMeta{
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GenerateName: "test-webhook-",
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Labels: map[string]string{"pinniped.dev/test": ""},
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Annotations: map[string]string{"pinniped.dev/testName": t.Name()},
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},
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Spec: testEnv.TestWebhook,
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}, metav1.CreateOptions{})
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require.NoError(t, err, "could not create test WebhookAuthenticator")
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t.Logf("created test WebhookAuthenticator %s/%s", webhook.Namespace, webhook.Name)
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t.Cleanup(func() {
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t.Helper()
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t.Logf("cleaning up test WebhookAuthenticator %s/%s", webhook.Namespace, webhook.Name)
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deleteCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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err := webhooks.Delete(deleteCtx, webhook.Name, metav1.DeleteOptions{})
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require.NoErrorf(t, err, "could not cleanup test WebhookAuthenticator %s/%s", webhook.Namespace, webhook.Name)
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})
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return corev1.TypedLocalObjectReference{
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APIGroup: &auth1alpha1.SchemeGroupVersion.Group,
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Kind: "WebhookAuthenticator",
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Name: webhook.Name,
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}
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}
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// CreateTestOIDCProvider creates and returns a test OIDCProvider in
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// $PINNIPED_TEST_SUPERVISOR_NAMESPACE, which will be automatically deleted at the end of the
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// current test's lifetime. It generates a random, valid, issuer for the OIDCProvider.
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//
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// If the provided issuer is not the empty string, then it will be used for the
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// OIDCProvider.Spec.Issuer field. Else, a random issuer will be generated.
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func CreateTestOIDCProvider(ctx context.Context, t *testing.T, issuer, certSecretName string) *configv1alpha1.OIDCProvider {
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t.Helper()
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testEnv := IntegrationEnv(t)
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createContext, cancel := context.WithTimeout(ctx, 5*time.Second)
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defer cancel()
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if issuer == "" {
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var err error
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issuer, err = randomIssuer()
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require.NoError(t, err)
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}
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opcs := NewSupervisorClientset(t).ConfigV1alpha1().OIDCProviders(testEnv.SupervisorNamespace)
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opc, err := opcs.Create(createContext, &configv1alpha1.OIDCProvider{
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ObjectMeta: metav1.ObjectMeta{
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GenerateName: "test-oidc-provider-",
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Labels: map[string]string{"pinniped.dev/test": ""},
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Annotations: map[string]string{"pinniped.dev/testName": t.Name()},
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},
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Spec: configv1alpha1.OIDCProviderSpec{
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Issuer: issuer,
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TLS: &configv1alpha1.OIDCProviderTLSSpec{SecretName: certSecretName},
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},
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}, metav1.CreateOptions{})
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require.NoError(t, err, "could not create test OIDCProvider")
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t.Logf("created test OIDCProvider %s/%s", opc.Namespace, opc.Name)
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t.Cleanup(func() {
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t.Helper()
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t.Logf("cleaning up test OIDCProvider %s/%s", opc.Namespace, opc.Name)
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deleteCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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err := opcs.Delete(deleteCtx, opc.Name, metav1.DeleteOptions{})
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notFound := k8serrors.IsNotFound(err)
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// It's okay if it is not found, because it might have been deleted by another part of this test.
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if !notFound {
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require.NoErrorf(t, err, "could not cleanup test OIDCProvider %s/%s", opc.Namespace, opc.Name)
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}
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})
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return opc
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}
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func randomIssuer() (string, error) {
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var buf [8]byte
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if _, err := io.ReadFull(rand.Reader, buf[:]); err != nil {
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return "", fmt.Errorf("could not generate random state: %w", err)
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}
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return fmt.Sprintf("http://test-issuer-%s.pinniped.dev", hex.EncodeToString(buf[:])), nil
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}
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