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k3s/pkg/kubectl/cmd/set/set_resources_test.go

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/*
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 (
"bytes"
"fmt"
"io/ioutil"
"net/http"
"path"
"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"
"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"
restclient "k8s.io/client-go/rest"
"k8s.io/client-go/rest/fake"
"k8s.io/kubernetes/pkg/api/legacyscheme"
"k8s.io/kubernetes/pkg/api/testapi"
cmdtesting "k8s.io/kubernetes/pkg/kubectl/cmd/testing"
"k8s.io/kubernetes/pkg/kubectl/resource"
"k8s.io/kubernetes/pkg/kubectl/scheme"
)
func TestResourcesLocal(t *testing.T) {
tf := cmdtesting.NewTestFactory()
ns := legacyscheme.Codecs
tf.Client = &fake.RESTClient{
GroupVersion: schema.GroupVersion{Version: ""},
NegotiatedSerializer: ns,
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.Namespace = "test"
tf.ClientConfigVal = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Version: ""}}}
buf := bytes.NewBuffer([]byte{})
cmd := NewCmdResources(tf, buf, buf)
cmd.SetOutput(buf)
cmd.Flags().Set("output", "name")
cmd.Flags().Set("local", "true")
opts := ResourcesOptions{FilenameOptions: resource.FilenameOptions{
Filenames: []string{"../../../../test/e2e/testing-manifests/statefulset/cassandra/controller.yaml"}},
Out: buf,
Local: true,
Limits: "cpu=200m,memory=512Mi",
Requests: "cpu=200m,memory=512Mi",
ContainerSelector: "*"}
err := opts.Complete(tf, cmd, []string{})
if err == nil {
err = opts.Validate()
}
if err == nil {
err = opts.Run()
}
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if !strings.Contains(buf.String(), "replicationcontroller/cassandra") {
t.Errorf("did not set resources: %s", buf.String())
}
}
func TestSetMultiResourcesLimitsLocal(t *testing.T) {
tf := cmdtesting.NewTestFactory()
ns := legacyscheme.Codecs
tf.Client = &fake.RESTClient{
GroupVersion: schema.GroupVersion{Version: ""},
NegotiatedSerializer: ns,
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.Namespace = "test"
tf.ClientConfigVal = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Version: ""}}}
buf := bytes.NewBuffer([]byte{})
cmd := NewCmdResources(tf, buf, buf)
cmd.SetOutput(buf)
cmd.Flags().Set("output", "name")
cmd.Flags().Set("local", "true")
opts := ResourcesOptions{FilenameOptions: resource.FilenameOptions{
Filenames: []string{"../../../../test/fixtures/pkg/kubectl/cmd/set/multi-resource-yaml.yaml"}},
Out: buf,
Local: true,
Limits: "cpu=200m,memory=512Mi",
Requests: "cpu=200m,memory=512Mi",
ContainerSelector: "*"}
err := opts.Complete(tf, cmd, []string{})
if err == nil {
err = opts.Validate()
}
if err == nil {
err = opts.Run()
}
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
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 TestSetResourcesRemote(t *testing.T) {
inputs := []struct {
object runtime.Object
apiPrefix, apiGroup, apiVersion string
testAPIGroup string
args []string
}{
{
object: &extensionsv1beta1.ReplicaSet{
ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
Spec: extensionsv1beta1.ReplicaSetSpec{
Template: v1.PodTemplateSpec{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "nginx",
Image: "nginx",
},
},
},
},
},
},
testAPIGroup: "extensions",
apiPrefix: "/apis", apiGroup: "extensions", apiVersion: "v1beta1",
args: []string{"replicaset", "nginx"},
},
{
object: &appsv1beta2.ReplicaSet{
ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
Spec: appsv1beta2.ReplicaSetSpec{
Template: v1.PodTemplateSpec{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "nginx",
Image: "nginx",
},
},
},
},
},
},
testAPIGroup: "extensions",
apiPrefix: "/apis", apiGroup: "apps", apiVersion: "v1beta2",
args: []string{"replicaset", "nginx"},
},
{
object: &appsv1.ReplicaSet{
ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
Spec: appsv1.ReplicaSetSpec{
Template: v1.PodTemplateSpec{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "nginx",
Image: "nginx",
},
},
},
},
},
},
testAPIGroup: "extensions",
apiPrefix: "/apis", apiGroup: "apps", apiVersion: "v1",
args: []string{"replicaset", "nginx"},
},
{
object: &extensionsv1beta1.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
Spec: extensionsv1beta1.DaemonSetSpec{
Template: v1.PodTemplateSpec{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "nginx",
Image: "nginx",
},
},
},
},
},
},
testAPIGroup: "extensions",
apiPrefix: "/apis", apiGroup: "extensions", apiVersion: "v1beta1",
args: []string{"daemonset", "nginx"},
},
{
object: &appsv1beta2.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
Spec: appsv1beta2.DaemonSetSpec{
Template: v1.PodTemplateSpec{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "nginx",
Image: "nginx",
},
},
},
},
},
},
testAPIGroup: "extensions",
apiPrefix: "/apis", apiGroup: "apps", apiVersion: "v1beta2",
args: []string{"daemonset", "nginx"},
},
{
object: &appsv1.DaemonSet{
ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
Spec: appsv1.DaemonSetSpec{
Template: v1.PodTemplateSpec{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "nginx",
Image: "nginx",
},
},
},
},
},
},
testAPIGroup: "extensions",
apiPrefix: "/apis", apiGroup: "apps", apiVersion: "v1",
args: []string{"daemonset", "nginx"},
},
{
object: &extensionsv1beta1.Deployment{
ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
Spec: extensionsv1beta1.DeploymentSpec{
Template: v1.PodTemplateSpec{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "nginx",
Image: "nginx",
},
},
},
},
},
},
testAPIGroup: "extensions",
apiPrefix: "/apis", apiGroup: "extensions", apiVersion: "v1beta1",
args: []string{"deployment", "nginx"},
},
{
object: &appsv1beta1.Deployment{
ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
Spec: appsv1beta1.DeploymentSpec{
Template: v1.PodTemplateSpec{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "nginx",
Image: "nginx",
},
},
},
},
},
},
testAPIGroup: "extensions",
apiPrefix: "/apis", apiGroup: "apps", apiVersion: "v1beta1",
args: []string{"deployment", "nginx"},
},
{
object: &appsv1beta2.Deployment{
ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
Spec: appsv1beta2.DeploymentSpec{
Template: v1.PodTemplateSpec{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "nginx",
Image: "nginx",
},
},
},
},
},
},
testAPIGroup: "extensions",
apiPrefix: "/apis", apiGroup: "apps", apiVersion: "v1beta2",
args: []string{"deployment", "nginx"},
},
{
object: &appsv1.Deployment{
ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
Spec: appsv1.DeploymentSpec{
Template: v1.PodTemplateSpec{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "nginx",
Image: "nginx",
},
},
},
},
},
},
testAPIGroup: "extensions",
apiPrefix: "/apis", apiGroup: "apps", apiVersion: "v1",
args: []string{"deployment", "nginx"},
},
{
object: &appsv1beta1.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
Spec: appsv1beta1.StatefulSetSpec{
Template: v1.PodTemplateSpec{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "nginx",
Image: "nginx",
},
},
},
},
},
},
testAPIGroup: "apps",
apiPrefix: "/apis", apiGroup: "apps", apiVersion: "v1beta1",
args: []string{"statefulset", "nginx"},
},
{
object: &appsv1beta2.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
Spec: appsv1beta2.StatefulSetSpec{
Template: v1.PodTemplateSpec{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "nginx",
Image: "nginx",
},
},
},
},
},
},
testAPIGroup: "apps",
apiPrefix: "/apis", apiGroup: "apps", apiVersion: "v1beta2",
args: []string{"statefulset", "nginx"},
},
{
object: &appsv1.StatefulSet{
ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
Spec: appsv1.StatefulSetSpec{
Template: v1.PodTemplateSpec{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "nginx",
Image: "nginx",
},
},
},
},
},
},
testAPIGroup: "apps",
apiPrefix: "/apis", apiGroup: "apps", apiVersion: "v1",
args: []string{"statefulset", "nginx"},
},
{
object: &batchv1.Job{
ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
Spec: batchv1.JobSpec{
Template: v1.PodTemplateSpec{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "nginx",
Image: "nginx",
},
},
},
},
},
},
testAPIGroup: "batch",
apiPrefix: "/apis", apiGroup: "batch", apiVersion: "v1",
args: []string{"job", "nginx"},
},
{
object: &v1.ReplicationController{
ObjectMeta: metav1.ObjectMeta{Name: "nginx"},
Spec: v1.ReplicationControllerSpec{
Template: &v1.PodTemplateSpec{
Spec: v1.PodSpec{
Containers: []v1.Container{
{
Name: "nginx",
Image: "nginx",
},
},
},
},
},
},
testAPIGroup: "",
apiPrefix: "/api", apiGroup: "", apiVersion: "v1",
args: []string{"replicationcontroller", "nginx"},
},
}
for i, input := range inputs {
t.Run(fmt.Sprintf("%d", i), func(t *testing.T) {
groupVersion := schema.GroupVersion{Group: input.apiGroup, Version: input.apiVersion}
testapi.Default = testapi.Groups[input.testAPIGroup]
tf := cmdtesting.NewTestFactory()
codec := scheme.Codecs.CodecForVersions(scheme.Codecs.LegacyCodec(groupVersion), scheme.Codecs.UniversalDecoder(groupVersion), groupVersion, groupVersion)
ns := legacyscheme.Codecs
tf.Namespace = "test"
tf.Client = &fake.RESTClient{
GroupVersion: groupVersion,
NegotiatedSerializer: ns,
Client: fake.CreateHTTPClient(func(req *http.Request) (*http.Response, error) {
resourcePath := testapi.Default.ResourcePath(input.args[0]+"s", tf.Namespace, input.args[1])
switch p, m := req.URL.Path, req.Method; {
case p == resourcePath && m == http.MethodGet:
return &http.Response{StatusCode: http.StatusOK, Header: defaultHeader(), Body: objBody(codec, input.object)}, nil
case p == resourcePath && 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), "200m", fmt.Sprintf("resources not updated for %#v", input.object))
return &http.Response{StatusCode: http.StatusOK, Header: defaultHeader(), Body: objBody(codec, input.object)}, nil
default:
t.Errorf("%s: unexpected request: %s %#v\n%#v", "resources", req.Method, req.URL, req)
return nil, fmt.Errorf("unexpected request")
}
}),
VersionedAPIPath: path.Join(input.apiPrefix, testapi.Default.GroupVersion().String()),
}
buf := new(bytes.Buffer)
cmd := NewCmdResources(tf, buf, buf)
cmd.SetOutput(buf)
cmd.Flags().Set("output", "yaml")
opts := ResourcesOptions{
Out: buf,
Limits: "cpu=200m,memory=512Mi",
ContainerSelector: "*"}
err := opts.Complete(tf, cmd, input.args)
if err == nil {
err = opts.Validate()
}
if err == nil {
err = opts.Run()
}
assert.NoError(t, err)
})
}
}
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