mirror of https://github.com/knative/pkg.git
119 lines
2.8 KiB
Go
119 lines
2.8 KiB
Go
/*
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Copyright 2018 The Knative Authors
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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 webhook
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import (
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"context"
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"crypto/tls"
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"crypto/x509"
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"net"
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"net/http"
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"strconv"
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"testing"
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"time"
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corev1 "k8s.io/api/core/v1"
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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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"k8s.io/client-go/kubernetes"
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)
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func waitForServerAvailable(t *testing.T, serverURL string, timeout time.Duration) error {
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t.Helper()
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var interval = 100 * time.Millisecond
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conditionFunc := func() (done bool, err error) {
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var conn net.Conn
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conn, err = net.DialTimeout("tcp", serverURL, timeout)
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if conn != nil {
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conn.Close()
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return true, nil
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}
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return false, nil
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}
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return wait.PollImmediate(interval, timeout, conditionFunc)
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}
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func newTestPort() (port int, err error) {
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server, err := net.Listen("tcp", ":0")
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if err != nil {
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return 0, err
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}
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defer server.Close()
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_, portString, err := net.SplitHostPort(server.Addr().String())
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if err != nil {
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return 0, err
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}
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return strconv.Atoi(portString)
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}
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func createNamespace(t *testing.T, kubeClient kubernetes.Interface, name string) error {
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t.Helper()
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testns := &corev1.Namespace{
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ObjectMeta: metav1.ObjectMeta{
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Name: name,
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},
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}
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_, err := kubeClient.CoreV1().Namespaces().Create(testns)
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if err != nil {
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return err
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}
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return nil
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}
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func createTestConfigMap(t *testing.T, kubeClient kubernetes.Interface) error {
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t.Helper()
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configMaps := &corev1.ConfigMap{
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ObjectMeta: metav1.ObjectMeta{
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Name: "extension-apiserver-authentication",
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},
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Data: map[string]string{"requestheader-client-ca-file": "test-client-file"},
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}
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_, err := kubeClient.CoreV1().ConfigMaps(metav1.NamespaceSystem).Create(configMaps)
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if err != nil {
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return err
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}
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return nil
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}
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func createSecureTLSClient(t *testing.T, kubeClient kubernetes.Interface, acOpts *ControllerOptions) (*http.Client, error) {
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t.Helper()
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tlsServerConfig, caCert, err := configureCerts(context.TODO(), kubeClient, acOpts)
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if err != nil {
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return nil, err
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}
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// Build cert pool with CA Cert
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pool := x509.NewCertPool()
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pool.AppendCertsFromPEM(caCert)
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tlsClientConfig := &tls.Config{
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// Add knative namespace as CN
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ServerName: "webhook.knative-something",
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RootCAs: pool,
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Certificates: tlsServerConfig.Certificates,
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}
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return &http.Client{
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Transport: &http.Transport{
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TLSClientConfig: tlsClientConfig,
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},
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}, nil
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}
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