Add support for ConfigMap keys in env vars

test/e2e/configmap.go

@@ -0,0 +1,91 @@
+/*
+Copyright 2014 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 e2e
+
+import (
+	"fmt"
+
+	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/apis/extensions"
+	"k8s.io/kubernetes/pkg/util"
+
+	. "github.com/onsi/ginkgo"
+)
+
+var _ = Describe("ConfigMap", func() {
+	f := NewFramework("configmap")
+
+	It("should be consumable via environment variable [Conformance]", func() {
+		name := "configmap-test-" + string(util.NewUUID())
+		configMap := &extensions.ConfigMap{
+			ObjectMeta: api.ObjectMeta{
+				Namespace: f.Namespace.Name,
+				Name:      name,
+			},
+			Data: map[string]string{
+				"data-1": "value-1",
+				"data-2": "value-2",
+				"data-3": "value-3",
+			},
+		}
+
+		By(fmt.Sprintf("Creating configMap %v/%v", f.Namespace.Name, configMap.Name))
+		defer func() {
+			By("Cleaning up the configMap")
+			if err := f.Client.Extensions().ConfigMaps(f.Namespace.Name).Delete(configMap.Name); err != nil {
+				Failf("unable to delete configMap %v: %v", configMap.Name, err)
+			}
+		}()
+		var err error
+		if configMap, err = f.Client.Extensions().ConfigMaps(f.Namespace.Name).Create(configMap); err != nil {
+			Failf("unable to create test configMap %s: %v", configMap.Name, err)
+		}
+
+		pod := &api.Pod{
+			ObjectMeta: api.ObjectMeta{
+				Name: "pod-configmaps-" + string(util.NewUUID()),
+			},
+			Spec: api.PodSpec{
+				Containers: []api.Container{
+					{
+						Name:    "env-test",
+						Image:   "gcr.io/google_containers/busybox",
+						Command: []string{"sh", "-c", "env"},
+						Env: []api.EnvVar{
+							{
+								Name: "CONFIG_DATA_1",
+								ValueFrom: &api.EnvVarSource{
+									ConfigMapKeyRef: &api.ConfigMapKeySelector{
+										LocalObjectReference: api.LocalObjectReference{
+											Name: name,
+										},
+										Key: "data-1",
+									},
+								},
+							},
+						},
+					},
+				},
+				RestartPolicy: api.RestartPolicyNever,
+			},
+		}
+
+		testContainerOutput("consume configMaps", f.Client, pod, 0, []string{
+			"CONFIG_DATA_1=value-1",
+		}, f.Namespace.Name)
+	})
+})