mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2025-10-31 18:28:13 +00:00
499 lines
14 KiB
Go
499 lines
14 KiB
Go
/*
|
|
Copyright 2014 The Kubernetes Authors All rights reserved.
|
|
|
|
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 kubectl
|
|
|
|
import (
|
|
"errors"
|
|
"testing"
|
|
|
|
"k8s.io/kubernetes/pkg/api"
|
|
kerrors "k8s.io/kubernetes/pkg/api/errors"
|
|
"k8s.io/kubernetes/pkg/apis/extensions"
|
|
client "k8s.io/kubernetes/pkg/client/unversioned"
|
|
"k8s.io/kubernetes/pkg/client/unversioned/testclient"
|
|
)
|
|
|
|
type ErrorReplicationControllers struct {
|
|
testclient.FakeReplicationControllers
|
|
invalid bool
|
|
}
|
|
|
|
func (c *ErrorReplicationControllers) Update(controller *api.ReplicationController) (*api.ReplicationController, error) {
|
|
if c.invalid {
|
|
return nil, kerrors.NewInvalid(controller.Kind, controller.Name, nil)
|
|
}
|
|
return nil, errors.New("Replication controller update failure")
|
|
}
|
|
|
|
type ErrorReplicationControllerClient struct {
|
|
testclient.Fake
|
|
invalid bool
|
|
}
|
|
|
|
func (c *ErrorReplicationControllerClient) ReplicationControllers(namespace string) client.ReplicationControllerInterface {
|
|
return &ErrorReplicationControllers{testclient.FakeReplicationControllers{Fake: &c.Fake, Namespace: namespace}, c.invalid}
|
|
}
|
|
|
|
type ErrorJobs struct {
|
|
testclient.FakeJobs
|
|
invalid bool
|
|
}
|
|
|
|
func (c *ErrorJobs) Update(job *extensions.Job) (*extensions.Job, error) {
|
|
if c.invalid {
|
|
return nil, kerrors.NewInvalid(job.Kind, job.Name, nil)
|
|
}
|
|
return nil, errors.New("Job update failure")
|
|
}
|
|
|
|
func (c *ErrorJobs) Get(name string) (*extensions.Job, error) {
|
|
zero := 0
|
|
return &extensions.Job{
|
|
Spec: extensions.JobSpec{
|
|
Parallelism: &zero,
|
|
},
|
|
}, nil
|
|
}
|
|
|
|
type ErrorJobClient struct {
|
|
testclient.FakeExperimental
|
|
invalid bool
|
|
}
|
|
|
|
func (c *ErrorJobClient) Jobs(namespace string) client.JobInterface {
|
|
return &ErrorJobs{testclient.FakeJobs{Fake: &c.FakeExperimental, Namespace: namespace}, c.invalid}
|
|
}
|
|
|
|
type ErrorExperimentalClient struct {
|
|
testclient.Fake
|
|
invalid bool
|
|
}
|
|
|
|
func (c *ErrorExperimentalClient) Experimental() client.ExperimentalInterface {
|
|
return &ErrorJobClient{testclient.FakeExperimental{&c.Fake}, c.invalid}
|
|
}
|
|
|
|
func TestReplicationControllerScaleRetry(t *testing.T) {
|
|
fake := &ErrorReplicationControllerClient{Fake: testclient.Fake{}, invalid: false}
|
|
scaler := ReplicationControllerScaler{fake}
|
|
preconditions := ScalePrecondition{-1, ""}
|
|
count := uint(3)
|
|
name := "foo"
|
|
namespace := "default"
|
|
|
|
scaleFunc := ScaleCondition(&scaler, &preconditions, namespace, name, count)
|
|
pass, err := scaleFunc()
|
|
if pass {
|
|
t.Errorf("Expected an update failure to return pass = false, got pass = %v", pass)
|
|
}
|
|
if err != nil {
|
|
t.Errorf("Did not expect an error on update failure, got %v", err)
|
|
}
|
|
preconditions = ScalePrecondition{3, ""}
|
|
scaleFunc = ScaleCondition(&scaler, &preconditions, namespace, name, count)
|
|
pass, err = scaleFunc()
|
|
if err == nil {
|
|
t.Errorf("Expected error on precondition failure")
|
|
}
|
|
}
|
|
|
|
func TestReplicationControllerScaleInvalid(t *testing.T) {
|
|
fake := &ErrorReplicationControllerClient{Fake: testclient.Fake{}, invalid: true}
|
|
scaler := ReplicationControllerScaler{fake}
|
|
preconditions := ScalePrecondition{-1, ""}
|
|
count := uint(3)
|
|
name := "foo"
|
|
namespace := "default"
|
|
|
|
scaleFunc := ScaleCondition(&scaler, &preconditions, namespace, name, count)
|
|
pass, err := scaleFunc()
|
|
if pass {
|
|
t.Errorf("Expected an update failure to return pass = false, got pass = %v", pass)
|
|
}
|
|
e, ok := err.(ControllerScaleError)
|
|
if err == nil || !ok || e.FailureType != ControllerScaleUpdateInvalidFailure {
|
|
t.Errorf("Expected error on invalid update failure, got %v", err)
|
|
}
|
|
}
|
|
|
|
func TestReplicationControllerScale(t *testing.T) {
|
|
fake := &testclient.Fake{}
|
|
scaler := ReplicationControllerScaler{fake}
|
|
preconditions := ScalePrecondition{-1, ""}
|
|
count := uint(3)
|
|
name := "foo"
|
|
scaler.Scale("default", name, count, &preconditions, nil, nil)
|
|
|
|
actions := fake.Actions()
|
|
if len(actions) != 2 {
|
|
t.Errorf("unexpected actions: %v, expected 2 actions (get, update)", actions)
|
|
}
|
|
if action, ok := actions[0].(testclient.GetAction); !ok || action.GetResource() != "replicationcontrollers" || action.GetName() != name {
|
|
t.Errorf("unexpected action: %v, expected get-replicationController %s", actions[0], name)
|
|
}
|
|
if action, ok := actions[1].(testclient.UpdateAction); !ok || action.GetResource() != "replicationcontrollers" || action.GetObject().(*api.ReplicationController).Spec.Replicas != int(count) {
|
|
t.Errorf("unexpected action %v, expected update-replicationController with replicas = %d", actions[1], count)
|
|
}
|
|
}
|
|
|
|
func TestReplicationControllerScaleFailsPreconditions(t *testing.T) {
|
|
fake := testclient.NewSimpleFake(&api.ReplicationController{
|
|
Spec: api.ReplicationControllerSpec{
|
|
Replicas: 10,
|
|
},
|
|
})
|
|
scaler := ReplicationControllerScaler{fake}
|
|
preconditions := ScalePrecondition{2, ""}
|
|
count := uint(3)
|
|
name := "foo"
|
|
scaler.Scale("default", name, count, &preconditions, nil, nil)
|
|
|
|
actions := fake.Actions()
|
|
if len(actions) != 1 {
|
|
t.Errorf("unexpected actions: %v, expected 1 action (get)", actions)
|
|
}
|
|
if action, ok := actions[0].(testclient.GetAction); !ok || action.GetResource() != "replicationcontrollers" || action.GetName() != name {
|
|
t.Errorf("unexpected action: %v, expected get-replicationController %s", actions[0], name)
|
|
}
|
|
}
|
|
|
|
func TestValidateReplicationController(t *testing.T) {
|
|
tests := []struct {
|
|
preconditions ScalePrecondition
|
|
controller api.ReplicationController
|
|
expectError bool
|
|
test string
|
|
}{
|
|
{
|
|
preconditions: ScalePrecondition{-1, ""},
|
|
expectError: false,
|
|
test: "defaults",
|
|
},
|
|
{
|
|
preconditions: ScalePrecondition{-1, ""},
|
|
controller: api.ReplicationController{
|
|
ObjectMeta: api.ObjectMeta{
|
|
ResourceVersion: "foo",
|
|
},
|
|
Spec: api.ReplicationControllerSpec{
|
|
Replicas: 10,
|
|
},
|
|
},
|
|
expectError: false,
|
|
test: "defaults 2",
|
|
},
|
|
{
|
|
preconditions: ScalePrecondition{0, ""},
|
|
controller: api.ReplicationController{
|
|
ObjectMeta: api.ObjectMeta{
|
|
ResourceVersion: "foo",
|
|
},
|
|
Spec: api.ReplicationControllerSpec{
|
|
Replicas: 0,
|
|
},
|
|
},
|
|
expectError: false,
|
|
test: "size matches",
|
|
},
|
|
{
|
|
preconditions: ScalePrecondition{-1, "foo"},
|
|
controller: api.ReplicationController{
|
|
ObjectMeta: api.ObjectMeta{
|
|
ResourceVersion: "foo",
|
|
},
|
|
Spec: api.ReplicationControllerSpec{
|
|
Replicas: 10,
|
|
},
|
|
},
|
|
expectError: false,
|
|
test: "resource version matches",
|
|
},
|
|
{
|
|
preconditions: ScalePrecondition{10, "foo"},
|
|
controller: api.ReplicationController{
|
|
ObjectMeta: api.ObjectMeta{
|
|
ResourceVersion: "foo",
|
|
},
|
|
Spec: api.ReplicationControllerSpec{
|
|
Replicas: 10,
|
|
},
|
|
},
|
|
expectError: false,
|
|
test: "both match",
|
|
},
|
|
{
|
|
preconditions: ScalePrecondition{10, "foo"},
|
|
controller: api.ReplicationController{
|
|
ObjectMeta: api.ObjectMeta{
|
|
ResourceVersion: "foo",
|
|
},
|
|
Spec: api.ReplicationControllerSpec{
|
|
Replicas: 20,
|
|
},
|
|
},
|
|
expectError: true,
|
|
test: "size different",
|
|
},
|
|
{
|
|
preconditions: ScalePrecondition{10, "foo"},
|
|
controller: api.ReplicationController{
|
|
ObjectMeta: api.ObjectMeta{
|
|
ResourceVersion: "bar",
|
|
},
|
|
Spec: api.ReplicationControllerSpec{
|
|
Replicas: 10,
|
|
},
|
|
},
|
|
expectError: true,
|
|
test: "version different",
|
|
},
|
|
{
|
|
preconditions: ScalePrecondition{10, "foo"},
|
|
controller: api.ReplicationController{
|
|
ObjectMeta: api.ObjectMeta{
|
|
ResourceVersion: "bar",
|
|
},
|
|
Spec: api.ReplicationControllerSpec{
|
|
Replicas: 20,
|
|
},
|
|
},
|
|
expectError: true,
|
|
test: "both different",
|
|
},
|
|
}
|
|
for _, test := range tests {
|
|
err := test.preconditions.ValidateReplicationController(&test.controller)
|
|
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)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestJobScaleRetry(t *testing.T) {
|
|
fake := &ErrorExperimentalClient{Fake: testclient.Fake{}, invalid: false}
|
|
scaler := JobScaler{fake}
|
|
preconditions := ScalePrecondition{-1, ""}
|
|
count := uint(3)
|
|
name := "foo"
|
|
namespace := "default"
|
|
|
|
scaleFunc := ScaleCondition(&scaler, &preconditions, namespace, name, count)
|
|
pass, err := scaleFunc()
|
|
if pass != false {
|
|
t.Errorf("Expected an update failure to return pass = false, got pass = %v", pass)
|
|
}
|
|
if err != nil {
|
|
t.Errorf("Did not expect an error on update failure, got %v", err)
|
|
}
|
|
preconditions = ScalePrecondition{3, ""}
|
|
scaleFunc = ScaleCondition(&scaler, &preconditions, namespace, name, count)
|
|
pass, err = scaleFunc()
|
|
if err == nil {
|
|
t.Errorf("Expected error on precondition failure")
|
|
}
|
|
}
|
|
|
|
func TestJobScale(t *testing.T) {
|
|
fake := &testclient.Fake{}
|
|
scaler := JobScaler{fake}
|
|
preconditions := ScalePrecondition{-1, ""}
|
|
count := uint(3)
|
|
name := "foo"
|
|
scaler.Scale("default", name, count, &preconditions, nil, nil)
|
|
|
|
actions := fake.Actions()
|
|
if len(actions) != 2 {
|
|
t.Errorf("unexpected actions: %v, expected 2 actions (get, update)", actions)
|
|
}
|
|
if action, ok := actions[0].(testclient.GetAction); !ok || action.GetResource() != "jobs" || action.GetName() != name {
|
|
t.Errorf("unexpected action: %v, expected get-replicationController %s", actions[0], name)
|
|
}
|
|
if action, ok := actions[1].(testclient.UpdateAction); !ok || action.GetResource() != "jobs" || *action.GetObject().(*extensions.Job).Spec.Parallelism != int(count) {
|
|
t.Errorf("unexpected action %v, expected update-job with parallelism = %d", actions[1], count)
|
|
}
|
|
}
|
|
|
|
func TestJobScaleInvalid(t *testing.T) {
|
|
fake := &ErrorExperimentalClient{Fake: testclient.Fake{}, invalid: true}
|
|
scaler := JobScaler{fake}
|
|
preconditions := ScalePrecondition{-1, ""}
|
|
count := uint(3)
|
|
name := "foo"
|
|
namespace := "default"
|
|
|
|
scaleFunc := ScaleCondition(&scaler, &preconditions, namespace, name, count)
|
|
pass, err := scaleFunc()
|
|
if pass {
|
|
t.Errorf("Expected an update failure to return pass = false, got pass = %v", pass)
|
|
}
|
|
e, ok := err.(ControllerScaleError)
|
|
if err == nil || !ok || e.FailureType != ControllerScaleUpdateInvalidFailure {
|
|
t.Errorf("Expected error on invalid update failure, got %v", err)
|
|
}
|
|
}
|
|
|
|
func TestJobScaleFailsPreconditions(t *testing.T) {
|
|
ten := 10
|
|
fake := testclient.NewSimpleFake(&extensions.Job{
|
|
Spec: extensions.JobSpec{
|
|
Parallelism: &ten,
|
|
},
|
|
})
|
|
scaler := JobScaler{fake}
|
|
preconditions := ScalePrecondition{2, ""}
|
|
count := uint(3)
|
|
name := "foo"
|
|
scaler.Scale("default", name, count, &preconditions, nil, nil)
|
|
|
|
actions := fake.Actions()
|
|
if len(actions) != 1 {
|
|
t.Errorf("unexpected actions: %v, expected 1 actions (get)", actions)
|
|
}
|
|
if action, ok := actions[0].(testclient.GetAction); !ok || action.GetResource() != "jobs" || action.GetName() != name {
|
|
t.Errorf("unexpected action: %v, expected get-job %s", actions[0], name)
|
|
}
|
|
}
|
|
|
|
func TestValidateJob(t *testing.T) {
|
|
zero, ten, twenty := 0, 10, 20
|
|
tests := []struct {
|
|
preconditions ScalePrecondition
|
|
job extensions.Job
|
|
expectError bool
|
|
test string
|
|
}{
|
|
{
|
|
preconditions: ScalePrecondition{-1, ""},
|
|
expectError: false,
|
|
test: "defaults",
|
|
},
|
|
{
|
|
preconditions: ScalePrecondition{-1, ""},
|
|
job: extensions.Job{
|
|
ObjectMeta: api.ObjectMeta{
|
|
ResourceVersion: "foo",
|
|
},
|
|
Spec: extensions.JobSpec{
|
|
Parallelism: &ten,
|
|
},
|
|
},
|
|
expectError: false,
|
|
test: "defaults 2",
|
|
},
|
|
{
|
|
preconditions: ScalePrecondition{0, ""},
|
|
job: extensions.Job{
|
|
ObjectMeta: api.ObjectMeta{
|
|
ResourceVersion: "foo",
|
|
},
|
|
Spec: extensions.JobSpec{
|
|
Parallelism: &zero,
|
|
},
|
|
},
|
|
expectError: false,
|
|
test: "size matches",
|
|
},
|
|
{
|
|
preconditions: ScalePrecondition{-1, "foo"},
|
|
job: extensions.Job{
|
|
ObjectMeta: api.ObjectMeta{
|
|
ResourceVersion: "foo",
|
|
},
|
|
Spec: extensions.JobSpec{
|
|
Parallelism: &ten,
|
|
},
|
|
},
|
|
expectError: false,
|
|
test: "resource version matches",
|
|
},
|
|
{
|
|
preconditions: ScalePrecondition{10, "foo"},
|
|
job: extensions.Job{
|
|
ObjectMeta: api.ObjectMeta{
|
|
ResourceVersion: "foo",
|
|
},
|
|
Spec: extensions.JobSpec{
|
|
Parallelism: &ten,
|
|
},
|
|
},
|
|
expectError: false,
|
|
test: "both match",
|
|
},
|
|
{
|
|
preconditions: ScalePrecondition{10, "foo"},
|
|
job: extensions.Job{
|
|
ObjectMeta: api.ObjectMeta{
|
|
ResourceVersion: "foo",
|
|
},
|
|
Spec: extensions.JobSpec{
|
|
Parallelism: &twenty,
|
|
},
|
|
},
|
|
expectError: true,
|
|
test: "size different",
|
|
},
|
|
{
|
|
preconditions: ScalePrecondition{10, "foo"},
|
|
job: extensions.Job{
|
|
ObjectMeta: api.ObjectMeta{
|
|
ResourceVersion: "foo",
|
|
},
|
|
},
|
|
expectError: true,
|
|
test: "parallelism nil",
|
|
},
|
|
{
|
|
preconditions: ScalePrecondition{10, "foo"},
|
|
job: extensions.Job{
|
|
ObjectMeta: api.ObjectMeta{
|
|
ResourceVersion: "bar",
|
|
},
|
|
Spec: extensions.JobSpec{
|
|
Parallelism: &ten,
|
|
},
|
|
},
|
|
expectError: true,
|
|
test: "version different",
|
|
},
|
|
{
|
|
preconditions: ScalePrecondition{10, "foo"},
|
|
job: extensions.Job{
|
|
ObjectMeta: api.ObjectMeta{
|
|
ResourceVersion: "bar",
|
|
},
|
|
Spec: extensions.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)
|
|
}
|
|
}
|
|
}
|