k3s/pkg/apis/extensions/v1beta1/defaults_test.go

732 lines
17 KiB
Go

/*
Copyright 2015 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 v1beta1_test
import (
"reflect"
"testing"
"k8s.io/kubernetes/pkg/api"
_ "k8s.io/kubernetes/pkg/api/install"
"k8s.io/kubernetes/pkg/api/resource"
"k8s.io/kubernetes/pkg/api/v1"
_ "k8s.io/kubernetes/pkg/apis/extensions/install"
. "k8s.io/kubernetes/pkg/apis/extensions/v1beta1"
"k8s.io/kubernetes/pkg/runtime"
"k8s.io/kubernetes/pkg/util/intstr"
)
func TestSetDefaultDaemonSet(t *testing.T) {
defaultLabels := map[string]string{"foo": "bar"}
period := int64(v1.DefaultTerminationGracePeriodSeconds)
defaultTemplate := v1.PodTemplateSpec{
Spec: v1.PodSpec{
DNSPolicy: v1.DNSClusterFirst,
RestartPolicy: v1.RestartPolicyAlways,
SecurityContext: &v1.PodSecurityContext{},
TerminationGracePeriodSeconds: &period,
},
ObjectMeta: v1.ObjectMeta{
Labels: defaultLabels,
},
}
templateNoLabel := v1.PodTemplateSpec{
Spec: v1.PodSpec{
DNSPolicy: v1.DNSClusterFirst,
RestartPolicy: v1.RestartPolicyAlways,
SecurityContext: &v1.PodSecurityContext{},
TerminationGracePeriodSeconds: &period,
},
}
tests := []struct {
original *DaemonSet
expected *DaemonSet
}{
{ // Labels change/defaulting test.
original: &DaemonSet{
Spec: DaemonSetSpec{
Template: defaultTemplate,
},
},
expected: &DaemonSet{
ObjectMeta: v1.ObjectMeta{
Labels: defaultLabels,
},
Spec: DaemonSetSpec{
Selector: &LabelSelector{
MatchLabels: defaultLabels,
},
Template: defaultTemplate,
},
},
},
{ // Labels change/defaulting test.
original: &DaemonSet{
ObjectMeta: v1.ObjectMeta{
Labels: map[string]string{
"bar": "foo",
},
},
Spec: DaemonSetSpec{
Template: defaultTemplate,
},
},
expected: &DaemonSet{
ObjectMeta: v1.ObjectMeta{
Labels: map[string]string{
"bar": "foo",
},
},
Spec: DaemonSetSpec{
Selector: &LabelSelector{
MatchLabels: defaultLabels,
},
Template: defaultTemplate,
},
},
},
{ // Update strategy.
original: &DaemonSet{},
expected: &DaemonSet{
Spec: DaemonSetSpec{
Template: templateNoLabel,
},
},
},
{ // Update strategy.
original: &DaemonSet{
Spec: DaemonSetSpec{},
},
expected: &DaemonSet{
Spec: DaemonSetSpec{
Template: templateNoLabel,
},
},
},
{ // Custom unique label key.
original: &DaemonSet{
Spec: DaemonSetSpec{},
},
expected: &DaemonSet{
Spec: DaemonSetSpec{
Template: templateNoLabel,
},
},
},
}
for i, test := range tests {
original := test.original
expected := test.expected
obj2 := roundTrip(t, runtime.Object(original))
got, ok := obj2.(*DaemonSet)
if !ok {
t.Errorf("(%d) unexpected object: %v", i, got)
t.FailNow()
}
if !reflect.DeepEqual(got.Spec, expected.Spec) {
t.Errorf("(%d) got different than expected\ngot:\n\t%+v\nexpected:\n\t%+v", i, got.Spec, expected.Spec)
}
}
}
func TestSetDefaultDeployment(t *testing.T) {
defaultIntOrString := intstr.FromInt(1)
differentIntOrString := intstr.FromInt(5)
period := int64(v1.DefaultTerminationGracePeriodSeconds)
defaultTemplate := v1.PodTemplateSpec{
Spec: v1.PodSpec{
DNSPolicy: v1.DNSClusterFirst,
RestartPolicy: v1.RestartPolicyAlways,
SecurityContext: &v1.PodSecurityContext{},
TerminationGracePeriodSeconds: &period,
},
}
tests := []struct {
original *Deployment
expected *Deployment
}{
{
original: &Deployment{},
expected: &Deployment{
Spec: DeploymentSpec{
Replicas: newInt32(1),
Strategy: DeploymentStrategy{
Type: RollingUpdateDeploymentStrategyType,
RollingUpdate: &RollingUpdateDeployment{
MaxSurge: &defaultIntOrString,
MaxUnavailable: &defaultIntOrString,
},
},
Template: defaultTemplate,
},
},
},
{
original: &Deployment{
Spec: DeploymentSpec{
Replicas: newInt32(5),
Strategy: DeploymentStrategy{
RollingUpdate: &RollingUpdateDeployment{
MaxSurge: &differentIntOrString,
},
},
},
},
expected: &Deployment{
Spec: DeploymentSpec{
Replicas: newInt32(5),
Strategy: DeploymentStrategy{
Type: RollingUpdateDeploymentStrategyType,
RollingUpdate: &RollingUpdateDeployment{
MaxSurge: &differentIntOrString,
MaxUnavailable: &defaultIntOrString,
},
},
Template: defaultTemplate,
},
},
},
{
original: &Deployment{
Spec: DeploymentSpec{
Replicas: newInt32(5),
Strategy: DeploymentStrategy{
Type: RecreateDeploymentStrategyType,
},
},
},
expected: &Deployment{
Spec: DeploymentSpec{
Replicas: newInt32(5),
Strategy: DeploymentStrategy{
Type: RecreateDeploymentStrategyType,
},
Template: defaultTemplate,
},
},
},
{
original: &Deployment{
Spec: DeploymentSpec{
Replicas: newInt32(5),
Strategy: DeploymentStrategy{
Type: RecreateDeploymentStrategyType,
},
},
},
expected: &Deployment{
Spec: DeploymentSpec{
Replicas: newInt32(5),
Strategy: DeploymentStrategy{
Type: RecreateDeploymentStrategyType,
},
Template: defaultTemplate,
},
},
},
}
for _, test := range tests {
original := test.original
expected := test.expected
obj2 := roundTrip(t, runtime.Object(original))
got, ok := obj2.(*Deployment)
if !ok {
t.Errorf("unexpected object: %v", got)
t.FailNow()
}
if !reflect.DeepEqual(got.Spec, expected.Spec) {
t.Errorf("got different than expected:\n\t%+v\ngot:\n\t%+v", got.Spec, expected.Spec)
}
}
}
func TestSetDefaultJobParallelismAndCompletions(t *testing.T) {
tests := []struct {
original *Job
expected *Job
}{
// both unspecified -> sets both to 1
{
original: &Job{
Spec: JobSpec{},
},
expected: &Job{
Spec: JobSpec{
Completions: newInt32(1),
Parallelism: newInt32(1),
},
},
},
// WQ: Parallelism explicitly 0 and completions unset -> no change
{
original: &Job{
Spec: JobSpec{
Parallelism: newInt32(0),
},
},
expected: &Job{
Spec: JobSpec{
Parallelism: newInt32(0),
},
},
},
// WQ: Parallelism explicitly 2 and completions unset -> no change
{
original: &Job{
Spec: JobSpec{
Parallelism: newInt32(2),
},
},
expected: &Job{
Spec: JobSpec{
Parallelism: newInt32(2),
},
},
},
// Completions explicitly 2 and parallelism unset -> parallelism is defaulted
{
original: &Job{
Spec: JobSpec{
Completions: newInt32(2),
},
},
expected: &Job{
Spec: JobSpec{
Completions: newInt32(2),
Parallelism: newInt32(1),
},
},
},
// Both set -> no change
{
original: &Job{
Spec: JobSpec{
Completions: newInt32(10),
Parallelism: newInt32(11),
},
},
expected: &Job{
Spec: JobSpec{
Completions: newInt32(10),
Parallelism: newInt32(11),
},
},
},
// Both set, flipped -> no change
{
original: &Job{
Spec: JobSpec{
Completions: newInt32(11),
Parallelism: newInt32(10),
},
},
expected: &Job{
Spec: JobSpec{
Completions: newInt32(11),
Parallelism: newInt32(10),
},
},
},
}
for _, tc := range tests {
original := tc.original
expected := tc.expected
obj2 := roundTrip(t, runtime.Object(original))
got, ok := obj2.(*Job)
if !ok {
t.Errorf("unexpected object: %v", got)
t.FailNow()
}
if (got.Spec.Completions == nil) != (expected.Spec.Completions == nil) {
t.Errorf("got different *completions than expected: %v %v", got.Spec.Completions, expected.Spec.Completions)
}
if got.Spec.Completions != nil && expected.Spec.Completions != nil {
if *got.Spec.Completions != *expected.Spec.Completions {
t.Errorf("got different completions than expected: %d %d", *got.Spec.Completions, *expected.Spec.Completions)
}
}
if (got.Spec.Parallelism == nil) != (expected.Spec.Parallelism == nil) {
t.Errorf("got different *Parallelism than expected: %v %v", got.Spec.Parallelism, expected.Spec.Parallelism)
}
if got.Spec.Parallelism != nil && expected.Spec.Parallelism != nil {
if *got.Spec.Parallelism != *expected.Spec.Parallelism {
t.Errorf("got different parallelism than expected: %d %d", *got.Spec.Parallelism, *expected.Spec.Parallelism)
}
}
}
}
func TestSetDefaultJobSelector(t *testing.T) {
tests := []struct {
original *Job
expectedSelector *LabelSelector
}{
// selector set explicitly, nil autoSelector
{
original: &Job{
Spec: JobSpec{
Selector: &LabelSelector{
MatchLabels: map[string]string{"job": "selector"},
},
},
},
expectedSelector: &LabelSelector{
MatchLabels: map[string]string{"job": "selector"},
},
},
// selector set explicitly, autoSelector=true
{
original: &Job{
Spec: JobSpec{
Selector: &LabelSelector{
MatchLabels: map[string]string{"job": "selector"},
},
AutoSelector: newBool(true),
},
},
expectedSelector: &LabelSelector{
MatchLabels: map[string]string{"job": "selector"},
},
},
// selector set explicitly, autoSelector=false
{
original: &Job{
Spec: JobSpec{
Selector: &LabelSelector{
MatchLabels: map[string]string{"job": "selector"},
},
AutoSelector: newBool(false),
},
},
expectedSelector: &LabelSelector{
MatchLabels: map[string]string{"job": "selector"},
},
},
// selector from template labels
{
original: &Job{
Spec: JobSpec{
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{
Labels: map[string]string{"job": "selector"},
},
},
},
},
expectedSelector: &LabelSelector{
MatchLabels: map[string]string{"job": "selector"},
},
},
// selector from template labels, autoSelector=false
{
original: &Job{
Spec: JobSpec{
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{
Labels: map[string]string{"job": "selector"},
},
},
AutoSelector: newBool(false),
},
},
expectedSelector: &LabelSelector{
MatchLabels: map[string]string{"job": "selector"},
},
},
// selector not copied from template labels, autoSelector=true
{
original: &Job{
Spec: JobSpec{
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{
Labels: map[string]string{"job": "selector"},
},
},
AutoSelector: newBool(true),
},
},
expectedSelector: nil,
},
}
for i, testcase := range tests {
obj2 := roundTrip(t, runtime.Object(testcase.original))
got, ok := obj2.(*Job)
if !ok {
t.Errorf("%d: unexpected object: %v", i, got)
t.FailNow()
}
if !reflect.DeepEqual(got.Spec.Selector, testcase.expectedSelector) {
t.Errorf("%d: got different selectors %#v %#v", i, got.Spec.Selector, testcase.expectedSelector)
}
}
}
func TestSetDefaultReplicaSet(t *testing.T) {
tests := []struct {
rs *ReplicaSet
expectLabels bool
expectSelector bool
}{
{
rs: &ReplicaSet{
Spec: ReplicaSetSpec{
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{
Labels: map[string]string{
"foo": "bar",
},
},
},
},
},
expectLabels: true,
expectSelector: true,
},
{
rs: &ReplicaSet{
ObjectMeta: v1.ObjectMeta{
Labels: map[string]string{
"bar": "foo",
},
},
Spec: ReplicaSetSpec{
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{
Labels: map[string]string{
"foo": "bar",
},
},
},
},
},
expectLabels: false,
expectSelector: true,
},
{
rs: &ReplicaSet{
ObjectMeta: v1.ObjectMeta{
Labels: map[string]string{
"bar": "foo",
},
},
Spec: ReplicaSetSpec{
Selector: &LabelSelector{
MatchLabels: map[string]string{
"some": "other",
},
},
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{
Labels: map[string]string{
"foo": "bar",
},
},
},
},
},
expectLabels: false,
expectSelector: false,
},
{
rs: &ReplicaSet{
Spec: ReplicaSetSpec{
Selector: &LabelSelector{
MatchLabels: map[string]string{
"some": "other",
},
},
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{
Labels: map[string]string{
"foo": "bar",
},
},
},
},
},
expectLabels: true,
expectSelector: false,
},
}
for _, test := range tests {
rs := test.rs
obj2 := roundTrip(t, runtime.Object(rs))
rs2, ok := obj2.(*ReplicaSet)
if !ok {
t.Errorf("unexpected object: %v", rs2)
t.FailNow()
}
if test.expectSelector != reflect.DeepEqual(rs2.Spec.Selector.MatchLabels, rs2.Spec.Template.Labels) {
if test.expectSelector {
t.Errorf("expected: %v, got: %v", rs2.Spec.Template.Labels, rs2.Spec.Selector)
} else {
t.Errorf("unexpected equality: %v", rs.Spec.Selector)
}
}
if test.expectLabels != reflect.DeepEqual(rs2.Labels, rs2.Spec.Template.Labels) {
if test.expectLabels {
t.Errorf("expected: %v, got: %v", rs2.Spec.Template.Labels, rs2.Labels)
} else {
t.Errorf("unexpected equality: %v", rs.Labels)
}
}
}
}
func TestSetDefaultReplicaSetReplicas(t *testing.T) {
tests := []struct {
rs ReplicaSet
expectReplicas int32
}{
{
rs: ReplicaSet{
Spec: ReplicaSetSpec{
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{
Labels: map[string]string{
"foo": "bar",
},
},
},
},
},
expectReplicas: 1,
},
{
rs: ReplicaSet{
Spec: ReplicaSetSpec{
Replicas: newInt32(0),
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{
Labels: map[string]string{
"foo": "bar",
},
},
},
},
},
expectReplicas: 0,
},
{
rs: ReplicaSet{
Spec: ReplicaSetSpec{
Replicas: newInt32(3),
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{
Labels: map[string]string{
"foo": "bar",
},
},
},
},
},
expectReplicas: 3,
},
}
for _, test := range tests {
rs := &test.rs
obj2 := roundTrip(t, runtime.Object(rs))
rs2, ok := obj2.(*ReplicaSet)
if !ok {
t.Errorf("unexpected object: %v", rs2)
t.FailNow()
}
if rs2.Spec.Replicas == nil {
t.Errorf("unexpected nil Replicas")
} else if test.expectReplicas != *rs2.Spec.Replicas {
t.Errorf("expected: %d replicas, got: %d", test.expectReplicas, *rs2.Spec.Replicas)
}
}
}
func TestDefaultRequestIsNotSetForReplicaSet(t *testing.T) {
s := v1.PodSpec{}
s.Containers = []v1.Container{
{
Resources: v1.ResourceRequirements{
Limits: v1.ResourceList{
v1.ResourceCPU: resource.MustParse("100m"),
},
},
},
}
rs := &ReplicaSet{
Spec: ReplicaSetSpec{
Replicas: newInt32(3),
Template: v1.PodTemplateSpec{
ObjectMeta: v1.ObjectMeta{
Labels: map[string]string{
"foo": "bar",
},
},
Spec: s,
},
},
}
output := roundTrip(t, runtime.Object(rs))
rs2 := output.(*ReplicaSet)
defaultRequest := rs2.Spec.Template.Spec.Containers[0].Resources.Requests
requestValue := defaultRequest[v1.ResourceCPU]
if requestValue.String() != "0" {
t.Errorf("Expected 0 request value, got: %s", requestValue.String())
}
}
func roundTrip(t *testing.T, obj runtime.Object) runtime.Object {
data, err := runtime.Encode(api.Codecs.LegacyCodec(SchemeGroupVersion), obj)
if err != nil {
t.Errorf("%v\n %#v", err, obj)
return nil
}
obj2, err := runtime.Decode(api.Codecs.UniversalDecoder(), data)
if err != nil {
t.Errorf("%v\nData: %s\nSource: %#v", err, string(data), obj)
return nil
}
obj3 := reflect.New(reflect.TypeOf(obj).Elem()).Interface().(runtime.Object)
err = api.Scheme.Convert(obj2, obj3)
if err != nil {
t.Errorf("%v\nSource: %#v", err, obj2)
return nil
}
return obj3
}
func newInt32(val int32) *int32 {
p := new(int32)
*p = val
return p
}
func newString(val string) *string {
p := new(string)
*p = val
return p
}
func newBool(val bool) *bool {
b := new(bool)
*b = val
return b
}