787 lines
22 KiB
Go
787 lines
22 KiB
Go
/*
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Copyright 2014 The Kubernetes Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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package kubectl
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import (
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"errors"
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"testing"
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kerrors "k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/apis/batch"
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"k8s.io/kubernetes/pkg/apis/extensions"
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"k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset/fake"
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batchclient "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset/typed/batch/internalversion"
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coreclient "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset/typed/core/internalversion"
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extensionsclient "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset/typed/extensions/internalversion"
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testcore "k8s.io/kubernetes/pkg/client/testing/core"
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)
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type ErrorReplicationControllers struct {
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coreclient.ReplicationControllerInterface
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conflict bool
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invalid bool
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}
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func (c *ErrorReplicationControllers) Update(controller *api.ReplicationController) (*api.ReplicationController, error) {
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switch {
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case c.invalid:
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return nil, kerrors.NewInvalid(api.Kind(controller.Kind), controller.Name, nil)
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case c.conflict:
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return nil, kerrors.NewConflict(api.Resource(controller.Kind), controller.Name, nil)
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}
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return nil, errors.New("Replication controller update failure")
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}
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type ErrorReplicationControllerClient struct {
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*fake.Clientset
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conflict bool
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invalid bool
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}
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func (c *ErrorReplicationControllerClient) ReplicationControllers(namespace string) coreclient.ReplicationControllerInterface {
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return &ErrorReplicationControllers{
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ReplicationControllerInterface: c.Clientset.Core().ReplicationControllers(namespace),
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conflict: c.conflict,
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invalid: c.invalid,
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}
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}
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func TestReplicationControllerScaleRetry(t *testing.T) {
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fake := &ErrorReplicationControllerClient{Clientset: fake.NewSimpleClientset(oldRc(0, 0)), conflict: true}
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scaler := ReplicationControllerScaler{fake}
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preconditions := ScalePrecondition{-1, ""}
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count := uint(3)
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name := "foo-v1"
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namespace := metav1.NamespaceDefault
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scaleFunc := ScaleCondition(&scaler, &preconditions, namespace, name, count, nil)
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pass, err := scaleFunc()
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if pass {
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t.Errorf("Expected an update failure to return pass = false, got pass = %v", pass)
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}
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if err != nil {
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t.Errorf("Did not expect an error on update conflict failure, got %v", err)
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}
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preconditions = ScalePrecondition{3, ""}
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scaleFunc = ScaleCondition(&scaler, &preconditions, namespace, name, count, nil)
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pass, err = scaleFunc()
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if err == nil {
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t.Errorf("Expected error on precondition failure")
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}
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}
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func TestReplicationControllerScaleInvalid(t *testing.T) {
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fake := &ErrorReplicationControllerClient{Clientset: fake.NewSimpleClientset(oldRc(0, 0)), invalid: true}
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scaler := ReplicationControllerScaler{fake}
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preconditions := ScalePrecondition{-1, ""}
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count := uint(3)
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name := "foo-v1"
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namespace := "default"
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scaleFunc := ScaleCondition(&scaler, &preconditions, namespace, name, count, nil)
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pass, err := scaleFunc()
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if pass {
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t.Errorf("Expected an update failure to return pass = false, got pass = %v", pass)
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}
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e, ok := err.(ScaleError)
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if err == nil || !ok || e.FailureType != ScaleUpdateFailure {
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t.Errorf("Expected error on invalid update failure, got %v", err)
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}
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}
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func TestReplicationControllerScale(t *testing.T) {
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fake := fake.NewSimpleClientset(oldRc(0, 0))
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scaler := ReplicationControllerScaler{fake.Core()}
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preconditions := ScalePrecondition{-1, ""}
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count := uint(3)
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name := "foo-v1"
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scaler.Scale("default", name, count, &preconditions, nil, nil)
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actions := fake.Actions()
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if len(actions) != 2 {
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t.Errorf("unexpected actions: %v, expected 2 actions (get, update)", actions)
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}
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if action, ok := actions[0].(testcore.GetAction); !ok || action.GetResource().GroupResource() != api.Resource("replicationcontrollers") || action.GetName() != name {
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t.Errorf("unexpected action: %v, expected get-replicationController %s", actions[0], name)
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}
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if action, ok := actions[1].(testcore.UpdateAction); !ok || action.GetResource().GroupResource() != api.Resource("replicationcontrollers") || action.GetObject().(*api.ReplicationController).Spec.Replicas != int32(count) {
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t.Errorf("unexpected action %v, expected update-replicationController with replicas = %d", actions[1], count)
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}
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}
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func TestReplicationControllerScaleFailsPreconditions(t *testing.T) {
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fake := fake.NewSimpleClientset(&api.ReplicationController{
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ObjectMeta: metav1.ObjectMeta{Namespace: metav1.NamespaceDefault, Name: "foo"},
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Spec: api.ReplicationControllerSpec{
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Replicas: 10,
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},
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})
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scaler := ReplicationControllerScaler{fake.Core()}
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preconditions := ScalePrecondition{2, ""}
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count := uint(3)
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name := "foo"
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scaler.Scale("default", name, count, &preconditions, nil, nil)
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actions := fake.Actions()
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if len(actions) != 1 {
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t.Errorf("unexpected actions: %v, expected 1 action (get)", actions)
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}
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if action, ok := actions[0].(testcore.GetAction); !ok || action.GetResource().GroupResource() != api.Resource("replicationcontrollers") || action.GetName() != name {
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t.Errorf("unexpected action: %v, expected get-replicationController %s", actions[0], name)
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}
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}
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func TestValidateReplicationController(t *testing.T) {
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tests := []struct {
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preconditions ScalePrecondition
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controller api.ReplicationController
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expectError bool
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test string
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}{
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{
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preconditions: ScalePrecondition{-1, ""},
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expectError: false,
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test: "defaults",
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},
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{
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preconditions: ScalePrecondition{-1, ""},
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controller: api.ReplicationController{
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ObjectMeta: metav1.ObjectMeta{
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ResourceVersion: "foo",
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},
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Spec: api.ReplicationControllerSpec{
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Replicas: 10,
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},
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},
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expectError: false,
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test: "defaults 2",
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},
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{
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preconditions: ScalePrecondition{0, ""},
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controller: api.ReplicationController{
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ObjectMeta: metav1.ObjectMeta{
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ResourceVersion: "foo",
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},
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Spec: api.ReplicationControllerSpec{
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Replicas: 0,
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},
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},
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expectError: false,
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test: "size matches",
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},
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{
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preconditions: ScalePrecondition{-1, "foo"},
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controller: api.ReplicationController{
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ObjectMeta: metav1.ObjectMeta{
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ResourceVersion: "foo",
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},
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Spec: api.ReplicationControllerSpec{
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Replicas: 10,
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},
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},
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expectError: false,
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test: "resource version matches",
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},
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{
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preconditions: ScalePrecondition{10, "foo"},
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controller: api.ReplicationController{
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ObjectMeta: metav1.ObjectMeta{
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ResourceVersion: "foo",
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},
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Spec: api.ReplicationControllerSpec{
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Replicas: 10,
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},
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},
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expectError: false,
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test: "both match",
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},
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{
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preconditions: ScalePrecondition{10, "foo"},
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controller: api.ReplicationController{
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ObjectMeta: metav1.ObjectMeta{
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ResourceVersion: "foo",
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},
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Spec: api.ReplicationControllerSpec{
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Replicas: 20,
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},
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},
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expectError: true,
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test: "size different",
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},
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{
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preconditions: ScalePrecondition{10, "foo"},
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controller: api.ReplicationController{
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ObjectMeta: metav1.ObjectMeta{
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ResourceVersion: "bar",
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},
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Spec: api.ReplicationControllerSpec{
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Replicas: 10,
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},
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},
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expectError: true,
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test: "version different",
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},
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{
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preconditions: ScalePrecondition{10, "foo"},
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controller: api.ReplicationController{
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ObjectMeta: metav1.ObjectMeta{
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ResourceVersion: "bar",
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},
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Spec: api.ReplicationControllerSpec{
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Replicas: 20,
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},
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},
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expectError: true,
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test: "both different",
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},
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}
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for _, test := range tests {
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err := test.preconditions.ValidateReplicationController(&test.controller)
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if err != nil && !test.expectError {
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t.Errorf("unexpected error: %v (%s)", err, test.test)
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}
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if err == nil && test.expectError {
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t.Errorf("unexpected non-error: %v (%s)", err, test.test)
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}
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}
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}
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type ErrorJobs struct {
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batchclient.JobInterface
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conflict bool
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invalid bool
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}
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func (c *ErrorJobs) Update(job *batch.Job) (*batch.Job, error) {
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switch {
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case c.invalid:
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return nil, kerrors.NewInvalid(api.Kind(job.Kind), job.Name, nil)
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case c.conflict:
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return nil, kerrors.NewConflict(api.Resource(job.Kind), job.Name, nil)
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}
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return nil, errors.New("Job update failure")
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}
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func (c *ErrorJobs) Get(name string, options metav1.GetOptions) (*batch.Job, error) {
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zero := int32(0)
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return &batch.Job{
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Spec: batch.JobSpec{
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Parallelism: &zero,
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},
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}, nil
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}
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type ErrorJobClient struct {
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batchclient.JobsGetter
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conflict bool
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invalid bool
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}
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func (c *ErrorJobClient) Jobs(namespace string) batchclient.JobInterface {
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return &ErrorJobs{
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JobInterface: c.JobsGetter.Jobs(namespace),
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conflict: c.conflict,
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invalid: c.invalid,
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}
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}
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func TestJobScaleRetry(t *testing.T) {
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fake := &ErrorJobClient{JobsGetter: fake.NewSimpleClientset().Batch(), conflict: true}
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scaler := JobScaler{fake}
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preconditions := ScalePrecondition{-1, ""}
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count := uint(3)
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name := "foo"
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namespace := "default"
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scaleFunc := ScaleCondition(&scaler, &preconditions, namespace, name, count, nil)
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pass, err := scaleFunc()
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if pass != false {
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t.Errorf("Expected an update failure to return pass = false, got pass = %v", pass)
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}
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if err != nil {
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t.Errorf("Did not expect an error on update failure, got %v", err)
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}
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preconditions = ScalePrecondition{3, ""}
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scaleFunc = ScaleCondition(&scaler, &preconditions, namespace, name, count, nil)
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pass, err = scaleFunc()
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if err == nil {
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t.Errorf("Expected error on precondition failure")
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}
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}
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func job() *batch.Job {
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return &batch.Job{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: metav1.NamespaceDefault,
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Name: "foo",
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},
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}
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}
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func TestJobScale(t *testing.T) {
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fakeClientset := fake.NewSimpleClientset(job())
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scaler := JobScaler{fakeClientset.Batch()}
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preconditions := ScalePrecondition{-1, ""}
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count := uint(3)
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name := "foo"
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scaler.Scale("default", name, count, &preconditions, nil, nil)
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actions := fakeClientset.Actions()
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if len(actions) != 2 {
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t.Errorf("unexpected actions: %v, expected 2 actions (get, update)", actions)
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}
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if action, ok := actions[0].(testcore.GetAction); !ok || action.GetResource().GroupResource() != batch.Resource("jobs") || action.GetName() != name {
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t.Errorf("unexpected action: %v, expected get-replicationController %s", actions[0], name)
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}
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if action, ok := actions[1].(testcore.UpdateAction); !ok || action.GetResource().GroupResource() != batch.Resource("jobs") || *action.GetObject().(*batch.Job).Spec.Parallelism != int32(count) {
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t.Errorf("unexpected action %v, expected update-job with parallelism = %d", actions[1], count)
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}
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}
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func TestJobScaleInvalid(t *testing.T) {
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fake := &ErrorJobClient{JobsGetter: fake.NewSimpleClientset().Batch(), invalid: true}
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scaler := JobScaler{fake}
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preconditions := ScalePrecondition{-1, ""}
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count := uint(3)
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name := "foo"
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namespace := "default"
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scaleFunc := ScaleCondition(&scaler, &preconditions, namespace, name, count, nil)
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pass, err := scaleFunc()
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if pass {
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t.Errorf("Expected an update failure to return pass = false, got pass = %v", pass)
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}
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e, ok := err.(ScaleError)
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if err == nil || !ok || e.FailureType != ScaleUpdateFailure {
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t.Errorf("Expected error on invalid update failure, got %v", err)
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}
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}
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func TestJobScaleFailsPreconditions(t *testing.T) {
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ten := int32(10)
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fake := fake.NewSimpleClientset(&batch.Job{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: metav1.NamespaceDefault,
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Name: "foo",
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},
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Spec: batch.JobSpec{
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Parallelism: &ten,
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},
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})
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scaler := JobScaler{fake.Batch()}
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preconditions := ScalePrecondition{2, ""}
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count := uint(3)
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name := "foo"
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scaler.Scale("default", name, count, &preconditions, nil, nil)
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actions := fake.Actions()
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if len(actions) != 1 {
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t.Errorf("unexpected actions: %v, expected 1 actions (get)", actions)
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}
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if action, ok := actions[0].(testcore.GetAction); !ok || action.GetResource().GroupResource() != batch.Resource("jobs") || action.GetName() != name {
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t.Errorf("unexpected action: %v, expected get-job %s", actions[0], name)
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}
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}
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func TestValidateJob(t *testing.T) {
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zero, ten, twenty := int32(0), int32(10), int32(20)
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tests := []struct {
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preconditions ScalePrecondition
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job batch.Job
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expectError bool
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test string
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}{
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{
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preconditions: ScalePrecondition{-1, ""},
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expectError: false,
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test: "defaults",
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},
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{
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preconditions: ScalePrecondition{-1, ""},
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job: batch.Job{
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ObjectMeta: metav1.ObjectMeta{
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ResourceVersion: "foo",
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},
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Spec: batch.JobSpec{
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Parallelism: &ten,
|
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},
|
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},
|
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expectError: false,
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test: "defaults 2",
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},
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{
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preconditions: ScalePrecondition{0, ""},
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job: batch.Job{
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ObjectMeta: metav1.ObjectMeta{
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ResourceVersion: "foo",
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},
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Spec: batch.JobSpec{
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Parallelism: &zero,
|
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},
|
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},
|
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expectError: false,
|
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test: "size matches",
|
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},
|
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{
|
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preconditions: ScalePrecondition{-1, "foo"},
|
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job: batch.Job{
|
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ObjectMeta: metav1.ObjectMeta{
|
|
ResourceVersion: "foo",
|
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},
|
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Spec: batch.JobSpec{
|
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Parallelism: &ten,
|
|
},
|
|
},
|
|
expectError: false,
|
|
test: "resource version matches",
|
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},
|
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{
|
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preconditions: ScalePrecondition{10, "foo"},
|
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job: batch.Job{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
ResourceVersion: "foo",
|
|
},
|
|
Spec: batch.JobSpec{
|
|
Parallelism: &ten,
|
|
},
|
|
},
|
|
expectError: false,
|
|
test: "both match",
|
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},
|
|
{
|
|
preconditions: ScalePrecondition{10, "foo"},
|
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job: batch.Job{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
ResourceVersion: "foo",
|
|
},
|
|
Spec: batch.JobSpec{
|
|
Parallelism: &twenty,
|
|
},
|
|
},
|
|
expectError: true,
|
|
test: "size different",
|
|
},
|
|
{
|
|
preconditions: ScalePrecondition{10, "foo"},
|
|
job: batch.Job{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
ResourceVersion: "foo",
|
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},
|
|
},
|
|
expectError: true,
|
|
test: "parallelism nil",
|
|
},
|
|
{
|
|
preconditions: ScalePrecondition{10, "foo"},
|
|
job: batch.Job{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
ResourceVersion: "bar",
|
|
},
|
|
Spec: batch.JobSpec{
|
|
Parallelism: &ten,
|
|
},
|
|
},
|
|
expectError: true,
|
|
test: "version different",
|
|
},
|
|
{
|
|
preconditions: ScalePrecondition{10, "foo"},
|
|
job: batch.Job{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
ResourceVersion: "bar",
|
|
},
|
|
Spec: batch.JobSpec{
|
|
Parallelism: &twenty,
|
|
},
|
|
},
|
|
expectError: true,
|
|
test: "both different",
|
|
},
|
|
}
|
|
for _, test := range tests {
|
|
err := test.preconditions.ValidateJob(&test.job)
|
|
if err != nil && !test.expectError {
|
|
t.Errorf("unexpected error: %v (%s)", err, test.test)
|
|
}
|
|
if err == nil && test.expectError {
|
|
t.Errorf("unexpected non-error: %v (%s)", err, test.test)
|
|
}
|
|
}
|
|
}
|
|
|
|
type ErrorDeployments struct {
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extensionsclient.DeploymentInterface
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conflict bool
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invalid bool
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}
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func (c *ErrorDeployments) Update(deployment *extensions.Deployment) (*extensions.Deployment, error) {
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switch {
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case c.invalid:
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return nil, kerrors.NewInvalid(api.Kind(deployment.Kind), deployment.Name, nil)
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case c.conflict:
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return nil, kerrors.NewConflict(api.Resource(deployment.Kind), deployment.Name, nil)
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}
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return nil, errors.New("deployment update failure")
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}
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func (c *ErrorDeployments) Get(name string, options metav1.GetOptions) (*extensions.Deployment, error) {
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return &extensions.Deployment{
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Spec: extensions.DeploymentSpec{
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Replicas: 0,
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},
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}, nil
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}
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type ErrorDeploymentClient struct {
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extensionsclient.DeploymentsGetter
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conflict bool
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invalid bool
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}
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func (c *ErrorDeploymentClient) Deployments(namespace string) extensionsclient.DeploymentInterface {
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return &ErrorDeployments{
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DeploymentInterface: c.DeploymentsGetter.Deployments(namespace),
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invalid: c.invalid,
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conflict: c.conflict,
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}
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}
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func TestDeploymentScaleRetry(t *testing.T) {
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fake := &ErrorDeploymentClient{DeploymentsGetter: fake.NewSimpleClientset().Extensions(), conflict: true}
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scaler := &DeploymentScaler{fake}
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preconditions := &ScalePrecondition{-1, ""}
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count := uint(3)
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name := "foo"
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namespace := "default"
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scaleFunc := ScaleCondition(scaler, preconditions, namespace, name, count, nil)
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pass, err := scaleFunc()
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if pass != false {
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t.Errorf("Expected an update failure to return pass = false, got pass = %v", pass)
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}
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if err != nil {
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t.Errorf("Did not expect an error on update failure, got %v", err)
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}
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preconditions = &ScalePrecondition{3, ""}
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scaleFunc = ScaleCondition(scaler, preconditions, namespace, name, count, nil)
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pass, err = scaleFunc()
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if err == nil {
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t.Errorf("Expected error on precondition failure")
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}
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}
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func deployment() *extensions.Deployment {
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return &extensions.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: metav1.NamespaceDefault,
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Name: "foo",
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},
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}
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}
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func TestDeploymentScale(t *testing.T) {
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fake := fake.NewSimpleClientset(deployment())
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scaler := DeploymentScaler{fake.Extensions()}
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preconditions := ScalePrecondition{-1, ""}
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count := uint(3)
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name := "foo"
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scaler.Scale("default", name, count, &preconditions, nil, nil)
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actions := fake.Actions()
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if len(actions) != 2 {
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t.Errorf("unexpected actions: %v, expected 2 actions (get, update)", actions)
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}
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if action, ok := actions[0].(testcore.GetAction); !ok || action.GetResource().GroupResource() != extensions.Resource("deployments") || action.GetName() != name {
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t.Errorf("unexpected action: %v, expected get-replicationController %s", actions[0], name)
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}
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if action, ok := actions[1].(testcore.UpdateAction); !ok || action.GetResource().GroupResource() != extensions.Resource("deployments") || action.GetObject().(*extensions.Deployment).Spec.Replicas != int32(count) {
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t.Errorf("unexpected action %v, expected update-deployment with replicas = %d", actions[1], count)
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}
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}
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func TestDeploymentScaleInvalid(t *testing.T) {
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fake := &ErrorDeploymentClient{DeploymentsGetter: fake.NewSimpleClientset().Extensions(), invalid: true}
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scaler := DeploymentScaler{fake}
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preconditions := ScalePrecondition{-1, ""}
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count := uint(3)
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name := "foo"
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namespace := "default"
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scaleFunc := ScaleCondition(&scaler, &preconditions, namespace, name, count, nil)
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pass, err := scaleFunc()
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if pass {
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t.Errorf("Expected an update failure to return pass = false, got pass = %v", pass)
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}
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e, ok := err.(ScaleError)
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if err == nil || !ok || e.FailureType != ScaleUpdateFailure {
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t.Errorf("Expected error on invalid update failure, got %v", err)
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}
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}
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func TestDeploymentScaleFailsPreconditions(t *testing.T) {
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fake := fake.NewSimpleClientset(&extensions.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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Namespace: metav1.NamespaceDefault,
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Name: "foo",
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},
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Spec: extensions.DeploymentSpec{
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Replicas: 10,
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},
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})
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scaler := DeploymentScaler{fake.Extensions()}
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preconditions := ScalePrecondition{2, ""}
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count := uint(3)
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name := "foo"
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scaler.Scale("default", name, count, &preconditions, nil, nil)
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actions := fake.Actions()
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if len(actions) != 1 {
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t.Errorf("unexpected actions: %v, expected 1 actions (get)", actions)
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}
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if action, ok := actions[0].(testcore.GetAction); !ok || action.GetResource().GroupResource() != extensions.Resource("deployments") || action.GetName() != name {
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t.Errorf("unexpected action: %v, expected get-deployment %s", actions[0], name)
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}
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}
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func TestValidateDeployment(t *testing.T) {
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zero, ten, twenty := int32(0), int32(10), int32(20)
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tests := []struct {
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preconditions ScalePrecondition
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deployment extensions.Deployment
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expectError bool
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test string
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}{
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{
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preconditions: ScalePrecondition{-1, ""},
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expectError: false,
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test: "defaults",
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},
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{
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preconditions: ScalePrecondition{-1, ""},
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deployment: extensions.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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ResourceVersion: "foo",
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},
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Spec: extensions.DeploymentSpec{
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Replicas: ten,
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},
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},
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expectError: false,
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test: "defaults 2",
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},
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{
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preconditions: ScalePrecondition{0, ""},
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deployment: extensions.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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ResourceVersion: "foo",
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},
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Spec: extensions.DeploymentSpec{
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Replicas: zero,
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},
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},
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expectError: false,
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test: "size matches",
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},
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{
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preconditions: ScalePrecondition{-1, "foo"},
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deployment: extensions.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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ResourceVersion: "foo",
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},
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Spec: extensions.DeploymentSpec{
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Replicas: ten,
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},
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},
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expectError: false,
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test: "resource version matches",
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},
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{
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preconditions: ScalePrecondition{10, "foo"},
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deployment: extensions.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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ResourceVersion: "foo",
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},
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Spec: extensions.DeploymentSpec{
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Replicas: ten,
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},
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},
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expectError: false,
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test: "both match",
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},
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{
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preconditions: ScalePrecondition{10, "foo"},
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deployment: extensions.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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ResourceVersion: "foo",
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},
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Spec: extensions.DeploymentSpec{
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Replicas: twenty,
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},
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},
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expectError: true,
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test: "size different",
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},
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{
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preconditions: ScalePrecondition{10, "foo"},
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deployment: extensions.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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ResourceVersion: "foo",
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},
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},
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expectError: true,
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test: "no replicas",
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},
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{
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preconditions: ScalePrecondition{10, "foo"},
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deployment: extensions.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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ResourceVersion: "bar",
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},
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Spec: extensions.DeploymentSpec{
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Replicas: ten,
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},
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},
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expectError: true,
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test: "version different",
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},
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{
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preconditions: ScalePrecondition{10, "foo"},
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deployment: extensions.Deployment{
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ObjectMeta: metav1.ObjectMeta{
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ResourceVersion: "bar",
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},
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Spec: extensions.DeploymentSpec{
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Replicas: twenty,
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},
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},
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expectError: true,
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test: "both different",
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},
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}
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for _, test := range tests {
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err := test.preconditions.ValidateDeployment(&test.deployment)
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if err != nil && !test.expectError {
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t.Errorf("unexpected error: %v (%s)", err, test.test)
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}
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if err == nil && test.expectError {
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t.Errorf("unexpected non-error: %v (%s)", err, test.test)
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}
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}
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}
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