kubernetes set_env_test 源码

  • 2022-09-18
  • 浏览 (205)

文件路径:/staging/src/k8s.io/kubectl/pkg/cmd/set/set_env_test.go

/*
Copyright 2017 The Kubernetes Authors.

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 set

import (
	"fmt"
	"io/ioutil"
	"net/http"
	"strings"
	"testing"

	"github.com/stretchr/testify/assert"
	appsv1 "k8s.io/api/apps/v1"
	appsv1beta1 "k8s.io/api/apps/v1beta1"
	appsv1beta2 "k8s.io/api/apps/v1beta2"
	batchv1 "k8s.io/api/batch/v1"
	corev1 "k8s.io/api/core/v1"
	extensionsv1beta1 "k8s.io/api/extensions/v1beta1"
	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
	"k8s.io/apimachinery/pkg/runtime"
	"k8s.io/apimachinery/pkg/runtime/schema"
	"k8s.io/cli-runtime/pkg/genericclioptions"
	"k8s.io/cli-runtime/pkg/resource"
	restclient "k8s.io/client-go/rest"
	"k8s.io/client-go/rest/fake"
	cmdtesting "k8s.io/kubectl/pkg/cmd/testing"
	"k8s.io/kubectl/pkg/scheme"
)

func TestSetEnvLocal(t *testing.T) {
	tf := cmdtesting.NewTestFactory().WithNamespace("test")
	defer tf.Cleanup()

	tf.Client = &fake.RESTClient{
		GroupVersion:         schema.GroupVersion{Version: ""},
		NegotiatedSerializer: scheme.Codecs.WithoutConversion(),
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			t.Fatalf("unexpected request: %s %#v\n%#v", req.Method, req.URL, req)
			return nil, nil
		}),
	}
	tf.ClientConfigVal = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Version: ""}}}
	outputFormat := "name"

	streams, _, buf, bufErr := genericclioptions.NewTestIOStreams()
	opts := NewEnvOptions(streams)
	opts.PrintFlags = genericclioptions.NewPrintFlags("").WithDefaultOutput(outputFormat).WithTypeSetter(scheme.Scheme)
	opts.FilenameOptions = resource.FilenameOptions{
		Filenames: []string{"../../../testdata/controller.yaml"},
	}
	opts.Local = true

	err := opts.Complete(tf, NewCmdEnv(tf, streams), []string{"env=prod"})
	assert.NoError(t, err)
	err = opts.Validate()
	assert.NoError(t, err)
	err = opts.RunEnv()
	assert.NoError(t, err)
	if bufErr.Len() > 0 {
		t.Errorf("unexpected error: %s", string(bufErr.String()))
	}
	if !strings.Contains(buf.String(), "replicationcontroller/cassandra") {
		t.Errorf("did not set env: %s", buf.String())
	}
}

func TestSetEnvLocalNamespace(t *testing.T) {
	tf := cmdtesting.NewTestFactory()
	defer tf.Cleanup()

	tf.Client = &fake.RESTClient{
		GroupVersion:         schema.GroupVersion{Version: ""},
		NegotiatedSerializer: scheme.Codecs.WithoutConversion(),
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			t.Fatalf("unexpected request: %s %#v\n%#v", req.Method, req.URL, req)
			return nil, nil
		}),
	}
	tf.ClientConfigVal = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Version: ""}}}
	outputFormat := "yaml"

	streams, _, buf, bufErr := genericclioptions.NewTestIOStreams()
	opts := NewEnvOptions(streams)
	opts.PrintFlags = genericclioptions.NewPrintFlags("").WithDefaultOutput(outputFormat).WithTypeSetter(scheme.Scheme)
	opts.FilenameOptions = resource.FilenameOptions{
		Filenames: []string{"../../../testdata/set/namespaced-resource.yaml"},
	}
	opts.Local = true

	err := opts.Complete(tf, NewCmdEnv(tf, streams), []string{"env=prod"})
	assert.NoError(t, err)
	err = opts.Validate()
	assert.NoError(t, err)
	err = opts.RunEnv()
	assert.NoError(t, err)
	if bufErr.Len() > 0 {
		t.Errorf("unexpected error: %s", string(bufErr.String()))
	}
	if !strings.Contains(buf.String(), "namespace: existing-ns") {
		t.Errorf("did not set env: %s", buf.String())
	}
}

func TestSetMultiResourcesEnvLocal(t *testing.T) {
	tf := cmdtesting.NewTestFactory().WithNamespace("test")
	defer tf.Cleanup()

	tf.Client = &fake.RESTClient{
		GroupVersion:         schema.GroupVersion{Version: ""},
		NegotiatedSerializer: scheme.Codecs.WithoutConversion(),
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			t.Fatalf("unexpected request: %s %#v\n%#v", req.Method, req.URL, req)
			return nil, nil
		}),
	}
	tf.ClientConfigVal = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Version: ""}}}

	outputFormat := "name"
	streams, _, buf, bufErr := genericclioptions.NewTestIOStreams()
	opts := NewEnvOptions(streams)
	opts.PrintFlags = genericclioptions.NewPrintFlags("").WithDefaultOutput(outputFormat).WithTypeSetter(scheme.Scheme)
	opts.FilenameOptions = resource.FilenameOptions{
		Filenames: []string{"../../../testdata/set/multi-resource-yaml.yaml"},
	}
	opts.Local = true

	err := opts.Complete(tf, NewCmdEnv(tf, streams), []string{"env=prod"})
	assert.NoError(t, err)
	err = opts.Validate()
	assert.NoError(t, err)
	err = opts.RunEnv()
	assert.NoError(t, err)
	if bufErr.Len() > 0 {
		t.Errorf("unexpected error: %s", string(bufErr.String()))
	}
	expectedOut := "replicationcontroller/first-rc\nreplicationcontroller/second-rc\n"
	if buf.String() != expectedOut {
		t.Errorf("expected out:\n%s\nbut got:\n%s", expectedOut, buf.String())
	}
}

func TestSetEnvRemote(t *testing.T) {
	inputs := []struct {
		name         string
		object       runtime.Object
		groupVersion schema.GroupVersion
		path         string
		args         []string
	}{
		{
			name: "test extensions.v1beta1 replicaset",
			object: &extensionsv1beta1.ReplicaSet{
				ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
				Spec: extensionsv1beta1.ReplicaSetSpec{
					Template: corev1.PodTemplateSpec{
						Spec: corev1.PodSpec{
							Containers: []corev1.Container{
								{
									Name:  "nginx",
									Image: "nginx",
								},
							},
						},
					},
				},
			},
			groupVersion: extensionsv1beta1.SchemeGroupVersion,
			path:         "/namespaces/test/replicasets/nginx",
			args:         []string{"replicaset", "nginx", "env=prod"},
		},
		{
			name: "test apps.v1beta2 replicaset",
			object: &appsv1beta2.ReplicaSet{
				ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
				Spec: appsv1beta2.ReplicaSetSpec{
					Template: corev1.PodTemplateSpec{
						Spec: corev1.PodSpec{
							Containers: []corev1.Container{
								{
									Name:  "nginx",
									Image: "nginx",
								},
							},
						},
					},
				},
			},
			groupVersion: appsv1beta2.SchemeGroupVersion,
			path:         "/namespaces/test/replicasets/nginx",
			args:         []string{"replicaset", "nginx", "env=prod"},
		},
		{
			name: "test appsv1 replicaset",
			object: &appsv1.ReplicaSet{
				ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
				Spec: appsv1.ReplicaSetSpec{
					Template: corev1.PodTemplateSpec{
						Spec: corev1.PodSpec{
							Containers: []corev1.Container{
								{
									Name:  "nginx",
									Image: "nginx",
								},
							},
						},
					},
				},
			},
			groupVersion: appsv1.SchemeGroupVersion,
			path:         "/namespaces/test/replicasets/nginx",
			args:         []string{"replicaset", "nginx", "env=prod"},
		},
		{
			name: "test extensions.v1beta1 daemonset",
			object: &extensionsv1beta1.DaemonSet{
				ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
				Spec: extensionsv1beta1.DaemonSetSpec{
					Template: corev1.PodTemplateSpec{
						Spec: corev1.PodSpec{
							Containers: []corev1.Container{
								{
									Name:  "nginx",
									Image: "nginx",
								},
							},
						},
					},
				},
			},
			groupVersion: extensionsv1beta1.SchemeGroupVersion,
			path:         "/namespaces/test/daemonsets/nginx",
			args:         []string{"daemonset", "nginx", "env=prod"},
		},
		{
			name: "test appsv1beta2 daemonset",
			object: &appsv1beta2.DaemonSet{
				ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
				Spec: appsv1beta2.DaemonSetSpec{
					Template: corev1.PodTemplateSpec{
						Spec: corev1.PodSpec{
							Containers: []corev1.Container{
								{
									Name:  "nginx",
									Image: "nginx",
								},
							},
						},
					},
				},
			},
			groupVersion: appsv1beta2.SchemeGroupVersion,
			path:         "/namespaces/test/daemonsets/nginx",
			args:         []string{"daemonset", "nginx", "env=prod"},
		},
		{
			name: "test appsv1 daemonset",
			object: &appsv1.DaemonSet{
				ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
				Spec: appsv1.DaemonSetSpec{
					Template: corev1.PodTemplateSpec{
						Spec: corev1.PodSpec{
							Containers: []corev1.Container{
								{
									Name:  "nginx",
									Image: "nginx",
								},
							},
						},
					},
				},
			},
			groupVersion: appsv1.SchemeGroupVersion,
			path:         "/namespaces/test/daemonsets/nginx",
			args:         []string{"daemonset", "nginx", "env=prod"},
		},
		{
			name: "test extensions.v1beta1 deployment",
			object: &extensionsv1beta1.Deployment{
				ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
				Spec: extensionsv1beta1.DeploymentSpec{
					Template: corev1.PodTemplateSpec{
						Spec: corev1.PodSpec{
							Containers: []corev1.Container{
								{
									Name:  "nginx",
									Image: "nginx",
								},
							},
						},
					},
				},
			},
			groupVersion: extensionsv1beta1.SchemeGroupVersion,
			path:         "/namespaces/test/deployments/nginx",
			args:         []string{"deployment", "nginx", "env=prod"},
		},
		{
			name: "test appsv1beta1 deployment",
			object: &appsv1beta1.Deployment{
				ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
				Spec: appsv1beta1.DeploymentSpec{
					Template: corev1.PodTemplateSpec{
						Spec: corev1.PodSpec{
							Containers: []corev1.Container{
								{
									Name:  "nginx",
									Image: "nginx",
								},
							},
						},
					},
				},
			},
			groupVersion: appsv1beta1.SchemeGroupVersion,
			path:         "/namespaces/test/deployments/nginx",
			args:         []string{"deployment", "nginx", "env=prod"},
		},
		{
			name: "test appsv1beta2 deployment",
			object: &appsv1beta2.Deployment{
				ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
				Spec: appsv1beta2.DeploymentSpec{
					Template: corev1.PodTemplateSpec{
						Spec: corev1.PodSpec{
							Containers: []corev1.Container{
								{
									Name:  "nginx",
									Image: "nginx",
								},
							},
						},
					},
				},
			},
			groupVersion: appsv1beta2.SchemeGroupVersion,
			path:         "/namespaces/test/deployments/nginx",
			args:         []string{"deployment", "nginx", "env=prod"},
		},
		{
			name: "test appsv1 deployment",
			object: &appsv1.Deployment{
				ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
				Spec: appsv1.DeploymentSpec{
					Template: corev1.PodTemplateSpec{
						Spec: corev1.PodSpec{
							Containers: []corev1.Container{
								{
									Name:  "nginx",
									Image: "nginx",
								},
							},
						},
					},
				},
			},
			groupVersion: appsv1.SchemeGroupVersion,
			path:         "/namespaces/test/deployments/nginx",
			args:         []string{"deployment", "nginx", "env=prod"},
		},
		{
			name: "test appsv1beta1 statefulset",
			object: &appsv1beta1.StatefulSet{
				ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
				Spec: appsv1beta1.StatefulSetSpec{
					Template: corev1.PodTemplateSpec{
						Spec: corev1.PodSpec{
							Containers: []corev1.Container{
								{
									Name:  "nginx",
									Image: "nginx",
								},
							},
						},
					},
				},
			},
			groupVersion: appsv1beta1.SchemeGroupVersion,
			path:         "/namespaces/test/statefulsets/nginx",
			args:         []string{"statefulset", "nginx", "env=prod"},
		},
		{
			name: "test appsv1beta2 statefulset",
			object: &appsv1beta2.StatefulSet{
				ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
				Spec: appsv1beta2.StatefulSetSpec{
					Template: corev1.PodTemplateSpec{
						Spec: corev1.PodSpec{
							Containers: []corev1.Container{
								{
									Name:  "nginx",
									Image: "nginx",
								},
							},
						},
					},
				},
			},
			groupVersion: appsv1beta2.SchemeGroupVersion,
			path:         "/namespaces/test/statefulsets/nginx",
			args:         []string{"statefulset", "nginx", "env=prod"},
		},
		{
			name: "test appsv1 statefulset",
			object: &appsv1.StatefulSet{
				ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
				Spec: appsv1.StatefulSetSpec{
					Template: corev1.PodTemplateSpec{
						Spec: corev1.PodSpec{
							Containers: []corev1.Container{
								{
									Name:  "nginx",
									Image: "nginx",
								},
							},
						},
					},
				},
			},
			groupVersion: appsv1.SchemeGroupVersion,
			path:         "/namespaces/test/statefulsets/nginx",
			args:         []string{"statefulset", "nginx", "env=prod"},
		},
		{
			name: "set image batchv1 CronJob",
			object: &batchv1.CronJob{
				ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
				Spec: batchv1.CronJobSpec{
					JobTemplate: batchv1.JobTemplateSpec{
						Spec: batchv1.JobSpec{
							Template: corev1.PodTemplateSpec{
								Spec: corev1.PodSpec{
									Containers: []corev1.Container{
										{
											Name:  "nginx",
											Image: "nginx",
										},
									},
								},
							},
						},
					},
				},
			},
			groupVersion: batchv1.SchemeGroupVersion,
			path:         "/namespaces/test/cronjobs/nginx",
			args:         []string{"cronjob", "nginx", "env=prod"},
		},
		{
			name: "test corev1 replication controller",
			object: &corev1.ReplicationController{
				ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
				Spec: corev1.ReplicationControllerSpec{
					Template: &corev1.PodTemplateSpec{
						Spec: corev1.PodSpec{
							Containers: []corev1.Container{
								{
									Name:  "nginx",
									Image: "nginx",
								},
							},
						},
					},
				},
			},
			groupVersion: corev1.SchemeGroupVersion,
			path:         "/namespaces/test/replicationcontrollers/nginx",
			args:         []string{"replicationcontroller", "nginx", "env=prod"},
		},
	}
	for _, input := range inputs {
		t.Run(input.name, func(t *testing.T) {
			tf := cmdtesting.NewTestFactory().WithNamespace("test")
			defer tf.Cleanup()

			tf.Client = &fake.RESTClient{
				GroupVersion:         input.groupVersion,
				NegotiatedSerializer: scheme.Codecs.WithoutConversion(),
				Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
					switch p, m := req.URL.Path, req.Method; {
					case p == input.path && m == http.MethodGet:
						return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: objBody(input.object)}, nil
					case p == input.path && m == http.MethodPatch:
						stream, err := req.GetBody()
						if err != nil {
							return nil, err
						}
						bytes, err := ioutil.ReadAll(stream)
						if err != nil {
							return nil, err
						}
						assert.Contains(t, string(bytes), `"value":`+`"`+"prod"+`"`, fmt.Sprintf("env not updated for %#v", input.object))
						return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: objBody(input.object)}, nil
					default:
						t.Errorf("%s: unexpected request: %s %#v\n%#v", "image", req.Method, req.URL, req)
						return nil, fmt.Errorf("unexpected request")
					}
				}),
			}

			outputFormat := "yaml"
			streams := genericclioptions.NewTestIOStreamsDiscard()
			opts := NewEnvOptions(streams)
			opts.PrintFlags = genericclioptions.NewPrintFlags("").WithDefaultOutput(outputFormat).WithTypeSetter(scheme.Scheme)
			opts.Local = false
			opts.IOStreams = streams
			err := opts.Complete(tf, NewCmdEnv(tf, streams), input.args)
			assert.NoError(t, err)
			err = opts.RunEnv()
			assert.NoError(t, err)
		})
	}
}

func TestSetEnvFromResource(t *testing.T) {
	mockConfigMap := &corev1.ConfigMap{
		ObjectMeta: metav1.ObjectMeta{Name: "testconfigmap"},
		Data: map[string]string{
			"env":          "prod",
			"test-key":     "testValue",
			"test-key-two": "testValueTwo",
		},
	}

	mockConfigMapUpperCaseKey := &corev1.ConfigMap{
		ObjectMeta: metav1.ObjectMeta{Name: "testconfigmapuppercasekey"},
		Data: map[string]string{
			"ENV":          "prod",
			"TEST_KEY":     "testValue",
			"TEST_KEY_TWO": "testValueTwo",
		},
	}

	mockSecret := &corev1.Secret{
		ObjectMeta: metav1.ObjectMeta{Name: "testsecret"},
		Data: map[string][]byte{
			"env":          []byte("prod"),
			"test-key":     []byte("testValue"),
			"test-key-two": []byte("testValueTwo"),
		},
	}

	mockSecretUpperCaseKey := &corev1.Secret{
		ObjectMeta: metav1.ObjectMeta{Name: "testsecretuppercasekey"},
		Data: map[string][]byte{
			"ENV":          []byte("prod"),
			"TEST_KEY":     []byte("testValue"),
			"TEST_KEY_TWO": []byte("testValueTwo"),
		},
	}

	inputs := []struct {
		name           string
		args           []string
		from           string
		keys           []string
		assertIncludes []string
		assertExcludes []string
		warning        bool
	}{
		{
			name: "test from configmap",
			args: []string{"deployment", "nginx"},
			from: "configmap/testconfigmap",
			keys: []string{},
			assertIncludes: []string{
				`{"name":"ENV","valueFrom":{"configMapKeyRef":{"key":"env","name":"testconfigmap"}}}`,
				`{"name":"TEST_KEY","valueFrom":{"configMapKeyRef":{"key":"test-key","name":"testconfigmap"}}}`,
				`{"name":"TEST_KEY_TWO","valueFrom":{"configMapKeyRef":{"key":"test-key-two","name":"testconfigmap"}}}`,
			},
			assertExcludes: []string{},
			warning:        true,
		},
		{
			name: "test from configmap with upper case key",
			args: []string{"deployment", "nginx"},
			from: "configmap/testconfigmapuppercasekey",
			keys: []string{},
			assertIncludes: []string{
				`{"name":"ENV","valueFrom":{"configMapKeyRef":{"key":"ENV","name":"testconfigmapuppercasekey"}}}`,
				`{"name":"TEST_KEY","valueFrom":{"configMapKeyRef":{"key":"TEST_KEY","name":"testconfigmapuppercasekey"}}}`,
				`{"name":"TEST_KEY_TWO","valueFrom":{"configMapKeyRef":{"key":"TEST_KEY_TWO","name":"testconfigmapuppercasekey"}}}`,
			},
			assertExcludes: []string{},
			warning:        false,
		},
		{
			name: "test from secret",
			args: []string{"deployment", "nginx"},
			from: "secret/testsecret",
			keys: []string{},
			assertIncludes: []string{
				`{"name":"ENV","valueFrom":{"secretKeyRef":{"key":"env","name":"testsecret"}}}`,
				`{"name":"TEST_KEY","valueFrom":{"secretKeyRef":{"key":"test-key","name":"testsecret"}}}`,
				`{"name":"TEST_KEY_TWO","valueFrom":{"secretKeyRef":{"key":"test-key-two","name":"testsecret"}}}`,
			},
			assertExcludes: []string{},
			warning:        true,
		},
		{
			name: "test from secret with upper case key",
			args: []string{"deployment", "nginx"},
			from: "secret/testsecretuppercasekey",
			keys: []string{},
			assertIncludes: []string{
				`{"name":"ENV","valueFrom":{"secretKeyRef":{"key":"ENV","name":"testsecretuppercasekey"}}}`,
				`{"name":"TEST_KEY","valueFrom":{"secretKeyRef":{"key":"TEST_KEY","name":"testsecretuppercasekey"}}}`,
				`{"name":"TEST_KEY_TWO","valueFrom":{"secretKeyRef":{"key":"TEST_KEY_TWO","name":"testsecretuppercasekey"}}}`,
			},
			assertExcludes: []string{},
			warning:        false,
		},
		{
			name: "test from configmap with keys",
			args: []string{"deployment", "nginx"},
			from: "configmap/testconfigmap",
			keys: []string{"env", "test-key-two"},
			assertIncludes: []string{
				`{"name":"ENV","valueFrom":{"configMapKeyRef":{"key":"env","name":"testconfigmap"}}}`,
				`{"name":"TEST_KEY_TWO","valueFrom":{"configMapKeyRef":{"key":"test-key-two","name":"testconfigmap"}}}`,
			},
			assertExcludes: []string{`{"name":"TEST_KEY","valueFrom":{"configMapKeyRef":{"key":"test-key","name":"testconfigmap"}}}`},
			warning:        true,
		},
		{
			name: "test from secret with keys",
			args: []string{"deployment", "nginx"},
			from: "secret/testsecret",
			keys: []string{"env", "test-key-two"},
			assertIncludes: []string{
				`{"name":"ENV","valueFrom":{"secretKeyRef":{"key":"env","name":"testsecret"}}}`,
				`{"name":"TEST_KEY_TWO","valueFrom":{"secretKeyRef":{"key":"test-key-two","name":"testsecret"}}}`,
			},
			assertExcludes: []string{`{"name":"TEST_KEY","valueFrom":{"secretKeyRef":{"key":"test-key","name":"testsecret"}}}`},
			warning:        true,
		},
	}

	for _, input := range inputs {
		mockDeployment := &appsv1.Deployment{
			ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
			Spec: appsv1.DeploymentSpec{
				Template: corev1.PodTemplateSpec{
					Spec: corev1.PodSpec{
						Containers: []corev1.Container{
							{
								Name:  "nginx",
								Image: "nginx",
							},
						},
					},
				},
			},
		}
		t.Run(input.name, func(t *testing.T) {
			tf := cmdtesting.NewTestFactory().WithNamespace("test")
			defer tf.Cleanup()

			tf.ClientConfigVal = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Version: ""}}}
			tf.Client = &fake.RESTClient{
				GroupVersion:         schema.GroupVersion{Group: "", Version: "v1"},
				NegotiatedSerializer: scheme.Codecs.WithoutConversion(),
				Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
					switch p, m := req.URL.Path, req.Method; {
					case p == "/namespaces/test/configmaps/testconfigmap" && m == http.MethodGet:
						return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: objBody(mockConfigMap)}, nil
					case p == "/namespaces/test/configmaps/testconfigmapuppercasekey" && m == http.MethodGet:
						return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: objBody(mockConfigMapUpperCaseKey)}, nil
					case p == "/namespaces/test/secrets/testsecret" && m == http.MethodGet:
						return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: objBody(mockSecret)}, nil
					case p == "/namespaces/test/secrets/testsecretuppercasekey" && m == http.MethodGet:
						return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: objBody(mockSecretUpperCaseKey)}, nil
					case p == "/namespaces/test/deployments/nginx" && m == http.MethodGet:
						return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: objBody(mockDeployment)}, nil
					case p == "/namespaces/test/deployments/nginx" && m == http.MethodPatch:
						stream, err := req.GetBody()
						if err != nil {
							return nil, err
						}
						bytes, err := ioutil.ReadAll(stream)
						if err != nil {
							return nil, err
						}
						for _, include := range input.assertIncludes {
							assert.Contains(t, string(bytes), include)
						}
						for _, exclude := range input.assertExcludes {
							assert.NotContains(t, string(bytes), exclude)
						}
						return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: objBody(mockDeployment)}, nil
					default:
						t.Errorf("%s: unexpected request: %#v\n%#v", input.name, req.URL, req)
						return nil, nil
					}
				}),
			}

			outputFormat := "yaml"
			streams, _, _, errOut := genericclioptions.NewTestIOStreams()
			opts := NewEnvOptions(streams)
			opts.From = input.from
			opts.Keys = input.keys
			opts.PrintFlags = genericclioptions.NewPrintFlags("").WithDefaultOutput(outputFormat).WithTypeSetter(scheme.Scheme)
			opts.Local = false
			opts.IOStreams = streams
			err := opts.Complete(tf, NewCmdEnv(tf, streams), input.args)
			assert.NoError(t, err)
			err = opts.RunEnv()
			if input.warning {
				assert.Contains(t, errOut.String(), "Warning")
			} else {
				assert.NotContains(t, errOut.String(), "Warning")
			}
			assert.NoError(t, err)
		})
	}
}

func TestSetEnvRemoteWithSpecificContainers(t *testing.T) {
	inputs := []struct {
		name     string
		args     []string
		selector string

		expectedContainers int
	}{
		{
			name:               "all containers",
			args:               []string{"deployments", "redis", "env=prod"},
			selector:           "*",
			expectedContainers: 2,
		},
		{
			name:               "use wildcards to select some containers",
			args:               []string{"deployments", "redis", "env=prod"},
			selector:           "red*",
			expectedContainers: 1,
		},
		{
			name:               "single container",
			args:               []string{"deployments", "redis", "env=prod"},
			selector:           "redis",
			expectedContainers: 1,
		},
	}

	for _, input := range inputs {
		mockDeployment := &appsv1.Deployment{
			ObjectMeta: metav1.ObjectMeta{
				Name:      "redis",
				Namespace: "test",
			},
			Spec: appsv1.DeploymentSpec{
				Template: corev1.PodTemplateSpec{
					Spec: corev1.PodSpec{
						InitContainers: []corev1.Container{
							{
								Name:  "init",
								Image: "redis",
							},
						},
						Containers: []corev1.Container{
							{
								Name:  "redis",
								Image: "redis",
							},
						},
					},
				},
			},
		}
		t.Run(input.name, func(t *testing.T) {
			tf := cmdtesting.NewTestFactory().WithNamespace("test")
			defer tf.Cleanup()
			tf.ClientConfigVal = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Version: ""}}}
			tf.Client = &fake.RESTClient{
				GroupVersion:         schema.GroupVersion{Group: "", Version: "v1"},
				NegotiatedSerializer: scheme.Codecs.WithoutConversion(),
				Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
					switch p, m := req.URL.Path, req.Method; {
					case p == "/namespaces/test/deployments/redis" && m == http.MethodGet:
						return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: objBody(mockDeployment)}, nil
					case p == "/namespaces/test/deployments/redis" && m == http.MethodPatch:
						stream, err := req.GetBody()
						if err != nil {
							return nil, err
						}
						bytes, err := ioutil.ReadAll(stream)
						if err != nil {
							return nil, err
						}
						updated := strings.Count(string(bytes), `"value":`+`"`+"prod"+`"`)
						if updated != input.expectedContainers {
							t.Errorf("expected %d containers to be selected but got %d \n", input.expectedContainers, updated)
						}
						return &http.Response{StatusCode: http.StatusOK, Header: cmdtesting.DefaultHeader(), Body: objBody(mockDeployment)}, nil
					default:
						t.Errorf("%s: unexpected request: %#v\n%#v", input.name, req.URL, req)
						return nil, nil
					}
				}),
			}
			streams := genericclioptions.NewTestIOStreamsDiscard()
			opts := &EnvOptions{
				PrintFlags:        genericclioptions.NewPrintFlags("").WithDefaultOutput("yaml").WithTypeSetter(scheme.Scheme),
				ContainerSelector: input.selector,
				Overwrite:         true,
				IOStreams:         streams,
			}
			err := opts.Complete(tf, NewCmdEnv(tf, streams), input.args)
			assert.NoError(t, err)
			err = opts.RunEnv()
			assert.NoError(t, err)
		})
	}
}

func TestSetEnvDoubleStdinUsage(t *testing.T) {
	tf := cmdtesting.NewTestFactory().WithNamespace("test")
	defer tf.Cleanup()

	tf.Client = &fake.RESTClient{
		GroupVersion:         schema.GroupVersion{Version: ""},
		NegotiatedSerializer: scheme.Codecs.WithoutConversion(),
		Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
			t.Fatalf("unexpected request: %s %#v\n%#v", req.Method, req.URL, req)
			return nil, nil
		}),
	}
	tf.ClientConfigVal = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Version: ""}}}

	streams, bufIn, _, _ := genericclioptions.NewTestIOStreams()
	bufIn.WriteString("SOME_ENV_VAR_KEY=SOME_ENV_VAR_VAL")
	opts := NewEnvOptions(streams)
	opts.FilenameOptions = resource.FilenameOptions{
		Filenames: []string{"-"},
	}

	err := opts.Complete(tf, NewCmdEnv(tf, streams), []string{"-"})
	assert.NoError(t, err)
	err = opts.Validate()
	assert.NoError(t, err)
	err = opts.RunEnv()
	assert.ErrorIs(t, err, resource.StdinMultiUseError)
}

kubernetes 源码目录

kubernetes helper 源码

kubernetes helper_test 源码

kubernetes set 源码

kubernetes set_env 源码

kubernetes set_image 源码

kubernetes set_image_test 源码

kubernetes set_resources 源码

kubernetes set_resources_test 源码

kubernetes set_selector 源码

kubernetes set_selector_test 源码

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