Add integration test for ConfigMap

test/integration/configmap_test.go

+// +build integration,!no-etcd
+
+/*
+Copyright 2015 The Kubernetes Authors All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package integration
+
+// This file tests use of the configMap API resource.
+
+import (
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/api/testapi"
+	client "k8s.io/kubernetes/pkg/client/unversioned"
+	"k8s.io/kubernetes/pkg/master"
+	"k8s.io/kubernetes/test/integration/framework"
+)
+
+// TestConfigMap tests apiserver-side behavior of creation of ConfigMaps and pods that consume them.
+func TestConfigMap(t *testing.T) {
+	var m *master.Master
+	s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, req *http.Request) {
+		m.Handler.ServeHTTP(w, req)
+	}))
+	// TODO: Uncomment when fix #19254
+	// defer s.Close()
+
+	masterConfig := framework.NewIntegrationTestMasterConfig()
+	m, err := master.New(masterConfig)
+	if err != nil {
+		t.Fatalf("Error in bringing up the master: %v", err)
+	}
+
+	framework.DeleteAllEtcdKeys()
+	client := client.NewOrDie(&client.Config{Host: s.URL, ContentConfig: client.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
+
+	DoTestConfigMap(t, client)
+}
+
+func DoTestConfigMap(t *testing.T, client *client.Client) {
+	ns := "ns"
+	cfg := api.ConfigMap{
+		ObjectMeta: api.ObjectMeta{
+			Name:      "configmap",
+			Namespace: ns,
+		},
+		Data: map[string]string{
+			"data-1": "value-1",
+			"data-2": "value-2",
+			"data-3": "value-3",
+		},
+	}
+
+	if _, err := client.ConfigMaps(cfg.Namespace).Create(&cfg); err != nil {
+		t.Errorf("unable to create test configMap: %v", err)
+	}
+	defer deleteConfigMapOrErrorf(t, client, cfg.Namespace, cfg.Name)
+
+	pod := &api.Pod{
+		ObjectMeta: api.ObjectMeta{
+			Name: "XXX",
+		},
+		Spec: api.PodSpec{
+			Containers: []api.Container{
+				{
+					Name:  "fake-name",
+					Image: "fakeimage",
+					Env: []api.EnvVar{
+						{
+							Name: "CONFIG_DATA_1",
+							ValueFrom: &api.EnvVarSource{
+								ConfigMapKeyRef: &api.ConfigMapKeySelector{
+									LocalObjectReference: api.LocalObjectReference{
+										Name: "configmap",
+									},
+									Key: "data-1",
+								},
+							},
+						},
+						{
+							Name: "CONFIG_DATA_2",
+							ValueFrom: &api.EnvVarSource{
+								ConfigMapKeyRef: &api.ConfigMapKeySelector{
+									LocalObjectReference: api.LocalObjectReference{
+										Name: "configmap",
+									},
+									Key: "data-2",
+								},
+							},
+						}, {
+							Name: "CONFIG_DATA_3",
+							ValueFrom: &api.EnvVarSource{
+								ConfigMapKeyRef: &api.ConfigMapKeySelector{
+									LocalObjectReference: api.LocalObjectReference{
+										Name: "configmap",
+									},
+									Key: "data-3",
+								},
+							},
+						},
+					},
+				},
+			},
+		},
+	}
+
+	pod.ObjectMeta.Name = "uses-configmap"
+	if _, err := client.Pods(ns).Create(pod); err != nil {
+		t.Errorf("Failed to create pod: %v", err)
+	}
+	defer deletePodOrErrorf(t, client, ns, pod.Name)
+}
+
+func deleteConfigMapOrErrorf(t *testing.T, c *client.Client, ns, name string) {
+	if err := c.ConfigMaps(ns).Delete(name); err != nil {
+		t.Errorf("unable to delete ConfigMap %v: %v", name, err)
+	}
+}

test/integration/secret_test.go

@@ -32,11 +32,6 @@ import (
 	"k8s.io/kubernetes/test/integration/framework"
 )
 
-func deletePodOrErrorf(t *testing.T, c *client.Client, ns, name string) {
-	if err := c.Pods(ns).Delete(name, nil); err != nil {
-		t.Errorf("unable to delete pod %v: %v", name, err)
-	}
-}
 func deleteSecretOrErrorf(t *testing.T, c *client.Client, ns, name string) {
 	if err := c.Secrets(ns).Delete(name); err != nil {
 		t.Errorf("unable to delete secret %v: %v", name, err)

test/integration/utils.go

@@ -21,10 +21,12 @@ import (
 	"io/ioutil"
 	"math/rand"
 	"os"
+	"testing"
 
 	etcd "github.com/coreos/etcd/client"
 	"github.com/golang/glog"
 	"golang.org/x/net/context"
+	client "k8s.io/kubernetes/pkg/client/unversioned"
 )
 
 func newEtcdClient() etcd.Client {
@@ -77,3 +79,9 @@ func MakeTempDirOrDie(prefix string, baseDir string) string {
 	}
 	return tempDir
 }
+
+func deletePodOrErrorf(t *testing.T, c *client.Client, ns, name string) {
+	if err := c.Pods(ns).Delete(name, nil); err != nil {
+		t.Errorf("unable to delete pod %v: %v", name, err)
+	}
+}