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			134 lines
		
	
	
		
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			134 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| /*
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| Copyright 2016 The Kubernetes Authors.
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| 
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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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| 
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|     http://www.apache.org/licenses/LICENSE-2.0
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| 
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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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| 
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| package common
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| 
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| import (
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| 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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| 	"k8s.io/apimachinery/pkg/util/uuid"
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| 	"k8s.io/kubernetes/pkg/api/v1"
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| 	"k8s.io/kubernetes/test/e2e/framework"
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| 
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| 	. "github.com/onsi/ginkgo"
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| )
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| 
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| // These tests exercise the Kubernetes expansion syntax $(VAR).
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| // For more information, see: docs/design/expansion.md
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| var _ = framework.KubeDescribe("Variable Expansion", func() {
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| 	f := framework.NewDefaultFramework("var-expansion")
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| 
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| 	It("should allow composing env vars into new env vars [Conformance]", func() {
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| 		podName := "var-expansion-" + string(uuid.NewUUID())
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| 		pod := &v1.Pod{
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| 			ObjectMeta: metav1.ObjectMeta{
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| 				Name:   podName,
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| 				Labels: map[string]string{"name": podName},
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| 			},
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| 			Spec: v1.PodSpec{
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| 				Containers: []v1.Container{
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| 					{
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| 						Name:    "dapi-container",
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| 						Image:   "gcr.io/google_containers/busybox:1.24",
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| 						Command: []string{"sh", "-c", "env"},
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| 						Env: []v1.EnvVar{
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| 							{
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| 								Name:  "FOO",
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| 								Value: "foo-value",
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| 							},
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| 							{
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| 								Name:  "BAR",
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| 								Value: "bar-value",
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| 							},
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| 							{
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| 								Name:  "FOOBAR",
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| 								Value: "$(FOO);;$(BAR)",
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| 							},
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| 						},
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| 					},
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| 				},
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| 				RestartPolicy: v1.RestartPolicyNever,
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| 			},
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| 		}
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| 
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| 		f.TestContainerOutput("env composition", pod, 0, []string{
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| 			"FOO=foo-value",
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| 			"BAR=bar-value",
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| 			"FOOBAR=foo-value;;bar-value",
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| 		})
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| 	})
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| 
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| 	It("should allow substituting values in a container's command [Conformance]", func() {
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| 		podName := "var-expansion-" + string(uuid.NewUUID())
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| 		pod := &v1.Pod{
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| 			ObjectMeta: metav1.ObjectMeta{
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| 				Name:   podName,
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| 				Labels: map[string]string{"name": podName},
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| 			},
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| 			Spec: v1.PodSpec{
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| 				Containers: []v1.Container{
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| 					{
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| 						Name:    "dapi-container",
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| 						Image:   "gcr.io/google_containers/busybox:1.24",
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| 						Command: []string{"sh", "-c", "TEST_VAR=wrong echo \"$(TEST_VAR)\""},
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| 						Env: []v1.EnvVar{
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| 							{
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| 								Name:  "TEST_VAR",
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| 								Value: "test-value",
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| 							},
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| 						},
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| 					},
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| 				},
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| 				RestartPolicy: v1.RestartPolicyNever,
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| 			},
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| 		}
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| 
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| 		f.TestContainerOutput("substitution in container's command", pod, 0, []string{
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| 			"test-value",
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| 		})
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| 	})
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| 
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| 	It("should allow substituting values in a container's args [Conformance]", func() {
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| 		podName := "var-expansion-" + string(uuid.NewUUID())
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| 		pod := &v1.Pod{
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| 			ObjectMeta: metav1.ObjectMeta{
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| 				Name:   podName,
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| 				Labels: map[string]string{"name": podName},
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| 			},
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| 			Spec: v1.PodSpec{
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| 				Containers: []v1.Container{
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| 					{
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| 						Name:    "dapi-container",
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| 						Image:   "gcr.io/google_containers/busybox:1.24",
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| 						Command: []string{"sh", "-c"},
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| 						Args:    []string{"TEST_VAR=wrong echo \"$(TEST_VAR)\""},
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| 						Env: []v1.EnvVar{
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| 							{
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| 								Name:  "TEST_VAR",
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| 								Value: "test-value",
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| 							},
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| 						},
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| 					},
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| 				},
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| 				RestartPolicy: v1.RestartPolicyNever,
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| 			},
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| 		}
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| 
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| 		f.TestContainerOutput("substitution in container's args", pod, 0, []string{
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| 			"test-value",
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| 		})
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| 	})
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| })
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