kubernetes/pkg/kubectl/cmd/set/set_resources_test.go
Clayton Coleman 5038eb2a3f
Remove use of VersionedObject and simplify builder in generic methods
Reduce all uses of Unstructured to the simpler form, and avoid asking
for mapper or typer unless it is required. Use Typed() for places that
previously used VersionedObject, and remove paths for versioned objects
from code that is now using unstructured.
2017-11-19 19:16:49 -05:00

501 lines
14 KiB
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 (
"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/testapi"
"k8s.io/kubernetes/pkg/kubectl/categories"
cmdtesting "k8s.io/kubernetes/pkg/kubectl/cmd/testing"
"k8s.io/kubernetes/pkg/kubectl/resource"
"k8s.io/kubernetes/pkg/kubectl/scheme"
"k8s.io/kubernetes/pkg/printers"
)
func TestResourcesLocal(t *testing.T) {
f, tf, codec, ns := cmdtesting.NewAPIFactory()
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.ClientConfig = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Version: ""}}}
buf := bytes.NewBuffer([]byte{})
cmd := NewCmdResources(f, buf, buf)
cmd.SetOutput(buf)
cmd.Flags().Set("output", "name")
cmd.Flags().Set("local", "true")
mapper, typer := f.Object()
tf.Printer = &printers.NamePrinter{Decoders: []runtime.Decoder{codec}, Typer: typer, Mapper: mapper}
opts := ResourcesOptions{FilenameOptions: resource.FilenameOptions{
Filenames: []string{"../../../../examples/storage/cassandra/cassandra-controller.yaml"}},
Out: buf,
Local: true,
Limits: "cpu=200m,memory=512Mi",
Requests: "cpu=200m,memory=512Mi",
ContainerSelector: "*"}
err := opts.Complete(f, 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(), "replicationcontrollers/cassandra") {
t.Errorf("did not set resources: %s", buf.String())
}
}
func TestSetMultiResourcesLimitsLocal(t *testing.T) {
f, tf, codec, ns := cmdtesting.NewAPIFactory()
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.ClientConfig = &restclient.Config{ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Version: ""}}}
buf := bytes.NewBuffer([]byte{})
cmd := NewCmdResources(f, buf, buf)
cmd.SetOutput(buf)
cmd.Flags().Set("output", "name")
cmd.Flags().Set("local", "true")
mapper, typer := f.Object()
tf.Printer = &printers.NamePrinter{Decoders: []runtime.Decoder{codec}, Typer: typer, Mapper: mapper}
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(f, cmd, []string{})
if err == nil {
err = opts.Validate()
}
if err == nil {
err = opts.Run()
}
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
expectedOut := "replicationcontrollers/first-rc\nreplicationcontrollers/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]
f, tf, _, ns := cmdtesting.NewAPIFactory()
codec := scheme.Codecs.CodecForVersions(scheme.Codecs.LegacyCodec(groupVersion), scheme.Codecs.UniversalDecoder(groupVersion), groupVersion, groupVersion)
mapper, typer := f.Object()
tf.Printer = &printers.NamePrinter{Decoders: []runtime.Decoder{testapi.Default.Codec()}, Typer: typer, Mapper: mapper}
tf.Namespace = "test"
tf.CategoryExpander = categories.LegacyCategoryExpander
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(f, buf, buf)
cmd.SetOutput(buf)
cmd.Flags().Set("output", "yaml")
opts := ResourcesOptions{
Out: buf,
Local: true,
Limits: "cpu=200m,memory=512Mi",
ContainerSelector: "*"}
err := opts.Complete(f, cmd, input.args)
if err == nil {
err = opts.Validate()
}
if err == nil {
err = opts.Run()
}
assert.NoError(t, err)
})
}
}