140 lines
3.4 KiB
Go
140 lines
3.4 KiB
Go
/*
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Copyright 2017 The Kubernetes 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 main
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import (
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"context"
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"fmt"
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"os"
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"path/filepath"
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"syscall"
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"testing"
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"time"
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corev1 "k8s.io/api/core/v1"
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v1 "k8s.io/api/core/v1"
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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/kubernetes/fake"
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"k8s.io/ingress-nginx/internal/ingress/controller"
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"k8s.io/ingress-nginx/internal/k8s"
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"k8s.io/ingress-nginx/internal/nginx"
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)
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func TestCreateApiserverClient(t *testing.T) {
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_, err := createApiserverClient("", "", "")
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if err == nil {
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t.Fatal("Expected an error creating REST client without an API server URL or kubeconfig file.")
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}
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}
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func init() {
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// the default value of nginx.TemplatePath assumes the template exists in
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// the root filesystem and not in the rootfs directory
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path, err := filepath.Abs(filepath.Join("../../rootfs/", nginx.TemplatePath))
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if err == nil {
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nginx.TemplatePath = path
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}
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}
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func TestHandleSigterm(t *testing.T) {
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const (
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podName = "test"
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namespace = "test"
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)
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k8s.IngressNGINXPod = &v1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: podName,
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Namespace: namespace,
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Labels: map[string]string{
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"pod-template-hash": "1234",
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},
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},
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}
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clientSet := fake.NewSimpleClientset()
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createConfigMap(clientSet, namespace, t)
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pod := corev1.Pod{
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ObjectMeta: metav1.ObjectMeta{
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Name: podName,
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Namespace: namespace,
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},
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}
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_, err := clientSet.CoreV1().Pods(namespace).Create(context.TODO(), &pod, metav1.CreateOptions{})
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if err != nil {
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t.Fatalf("error creating pod %v: %v", pod, err)
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}
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resetForTesting(func() { t.Fatal("bad parse") })
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os.Setenv("POD_NAME", podName)
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os.Setenv("POD_NAMESPACE", namespace)
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oldArgs := os.Args
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defer func() {
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os.Setenv("POD_NAME", "")
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os.Setenv("POD_NAMESPACE", "")
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os.Args = oldArgs
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}()
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os.Args = []string{"cmd", "--default-backend-service", "ingress-nginx/default-backend-http", "--http-port", "0", "--https-port", "0"}
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_, conf, err := parseFlags()
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if err != nil {
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t.Errorf("Unexpected error creating NGINX controller: %v", err)
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}
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conf.Client = clientSet
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ngx := controller.NewNGINXController(conf, nil)
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go handleSigterm(ngx, func(code int) {
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if code != 1 {
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t.Errorf("Expected exit code 1 but %d received", code)
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}
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})
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time.Sleep(1 * time.Second)
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t.Logf("Sending SIGTERM to PID %d", syscall.Getpid())
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err = syscall.Kill(syscall.Getpid(), syscall.SIGTERM)
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if err != nil {
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t.Error("Unexpected error sending SIGTERM signal.")
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}
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}
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func createConfigMap(clientSet kubernetes.Interface, ns string, t *testing.T) string {
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t.Helper()
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configMap := &corev1.ConfigMap{
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ObjectMeta: metav1.ObjectMeta{
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Name: "config",
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SelfLink: fmt.Sprintf("/api/v1/namespaces/%s/configmaps/config", ns),
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},
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}
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cm, err := clientSet.CoreV1().ConfigMaps(ns).Create(context.TODO(), configMap, metav1.CreateOptions{})
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if err != nil {
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t.Errorf("error creating the configuration map: %v", err)
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}
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return cm.Name
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}
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