mirror of https://github.com/k3s-io/k3s
572 lines
16 KiB
Go
572 lines
16 KiB
Go
/*
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Copyright 2017 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 v1_test
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import (
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"reflect"
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"testing"
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appsv1 "k8s.io/api/apps/v1"
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"k8s.io/api/core/v1"
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apiequality "k8s.io/apimachinery/pkg/api/equality"
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"k8s.io/apimachinery/pkg/api/resource"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/util/intstr"
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"k8s.io/kubernetes/pkg/api/legacyscheme"
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_ "k8s.io/kubernetes/pkg/apis/apps/install"
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. "k8s.io/kubernetes/pkg/apis/apps/v1"
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api "k8s.io/kubernetes/pkg/apis/core"
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_ "k8s.io/kubernetes/pkg/apis/core/install"
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)
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func TestSetDefaultDaemonSetSpec(t *testing.T) {
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defaultLabels := map[string]string{"foo": "bar"}
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maxUnavailable := intstr.FromInt(1)
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period := int64(v1.DefaultTerminationGracePeriodSeconds)
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defaultTemplate := v1.PodTemplateSpec{
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Spec: v1.PodSpec{
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DNSPolicy: v1.DNSClusterFirst,
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RestartPolicy: v1.RestartPolicyAlways,
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SecurityContext: &v1.PodSecurityContext{},
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TerminationGracePeriodSeconds: &period,
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SchedulerName: api.DefaultSchedulerName,
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},
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ObjectMeta: metav1.ObjectMeta{
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Labels: defaultLabels,
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},
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}
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templateNoLabel := v1.PodTemplateSpec{
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Spec: v1.PodSpec{
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DNSPolicy: v1.DNSClusterFirst,
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RestartPolicy: v1.RestartPolicyAlways,
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SecurityContext: &v1.PodSecurityContext{},
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TerminationGracePeriodSeconds: &period,
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SchedulerName: api.DefaultSchedulerName,
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},
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}
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tests := []struct {
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original *appsv1.DaemonSet
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expected *appsv1.DaemonSet
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}{
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{ // Labels change/defaulting test.
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original: &appsv1.DaemonSet{
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Spec: appsv1.DaemonSetSpec{
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Template: defaultTemplate,
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},
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},
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expected: &appsv1.DaemonSet{
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ObjectMeta: metav1.ObjectMeta{
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Labels: defaultLabels,
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},
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Spec: appsv1.DaemonSetSpec{
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Template: defaultTemplate,
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UpdateStrategy: appsv1.DaemonSetUpdateStrategy{
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Type: appsv1.RollingUpdateDaemonSetStrategyType,
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RollingUpdate: &appsv1.RollingUpdateDaemonSet{
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MaxUnavailable: &maxUnavailable,
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},
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},
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RevisionHistoryLimit: newInt32(10),
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},
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},
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},
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{ // Labels change/defaulting test.
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original: &appsv1.DaemonSet{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{
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"bar": "foo",
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},
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},
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Spec: appsv1.DaemonSetSpec{
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Template: defaultTemplate,
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RevisionHistoryLimit: newInt32(1),
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},
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},
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expected: &appsv1.DaemonSet{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{
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"bar": "foo",
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},
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},
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Spec: appsv1.DaemonSetSpec{
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Template: defaultTemplate,
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UpdateStrategy: appsv1.DaemonSetUpdateStrategy{
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Type: appsv1.RollingUpdateDaemonSetStrategyType,
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RollingUpdate: &appsv1.RollingUpdateDaemonSet{
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MaxUnavailable: &maxUnavailable,
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},
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},
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RevisionHistoryLimit: newInt32(1),
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},
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},
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},
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{ // OnDeleteDaemonSetStrategyType update strategy.
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original: &appsv1.DaemonSet{
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Spec: appsv1.DaemonSetSpec{
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Template: templateNoLabel,
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UpdateStrategy: appsv1.DaemonSetUpdateStrategy{
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Type: appsv1.OnDeleteDaemonSetStrategyType,
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},
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},
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},
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expected: &appsv1.DaemonSet{
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Spec: appsv1.DaemonSetSpec{
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Template: templateNoLabel,
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UpdateStrategy: appsv1.DaemonSetUpdateStrategy{
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Type: appsv1.OnDeleteDaemonSetStrategyType,
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},
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RevisionHistoryLimit: newInt32(10),
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},
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},
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},
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{ // Custom unique label key.
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original: &appsv1.DaemonSet{
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Spec: appsv1.DaemonSetSpec{},
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},
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expected: &appsv1.DaemonSet{
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Spec: appsv1.DaemonSetSpec{
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Template: templateNoLabel,
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UpdateStrategy: appsv1.DaemonSetUpdateStrategy{
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Type: appsv1.RollingUpdateDaemonSetStrategyType,
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RollingUpdate: &appsv1.RollingUpdateDaemonSet{
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MaxUnavailable: &maxUnavailable,
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},
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},
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RevisionHistoryLimit: newInt32(10),
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},
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},
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},
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}
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for i, test := range tests {
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original := test.original
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expected := test.expected
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obj2 := roundTrip(t, runtime.Object(original))
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got, ok := obj2.(*appsv1.DaemonSet)
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if !ok {
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t.Errorf("(%d) unexpected object: %v", i, got)
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t.FailNow()
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}
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if !apiequality.Semantic.DeepEqual(got.Spec, expected.Spec) {
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t.Errorf("(%d) got different than expected\ngot:\n\t%+v\nexpected:\n\t%+v", i, got.Spec, expected.Spec)
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}
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}
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}
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func TestSetDefaultStatefulSet(t *testing.T) {
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defaultLabels := map[string]string{"foo": "bar"}
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var defaultPartition int32 = 0
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var defaultReplicas int32 = 1
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period := int64(v1.DefaultTerminationGracePeriodSeconds)
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defaultTemplate := v1.PodTemplateSpec{
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Spec: v1.PodSpec{
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DNSPolicy: v1.DNSClusterFirst,
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RestartPolicy: v1.RestartPolicyAlways,
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SecurityContext: &v1.PodSecurityContext{},
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TerminationGracePeriodSeconds: &period,
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SchedulerName: api.DefaultSchedulerName,
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},
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ObjectMeta: metav1.ObjectMeta{
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Labels: defaultLabels,
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},
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}
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tests := []struct {
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original *appsv1.StatefulSet
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expected *appsv1.StatefulSet
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}{
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{ // labels and default update strategy
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original: &appsv1.StatefulSet{
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Spec: appsv1.StatefulSetSpec{
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Template: defaultTemplate,
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},
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},
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expected: &appsv1.StatefulSet{
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ObjectMeta: metav1.ObjectMeta{
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Labels: defaultLabels,
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},
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Spec: appsv1.StatefulSetSpec{
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Replicas: &defaultReplicas,
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Template: defaultTemplate,
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PodManagementPolicy: appsv1.OrderedReadyPodManagement,
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UpdateStrategy: appsv1.StatefulSetUpdateStrategy{
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Type: appsv1.RollingUpdateStatefulSetStrategyType,
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RollingUpdate: &appsv1.RollingUpdateStatefulSetStrategy{
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Partition: &defaultPartition,
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},
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},
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RevisionHistoryLimit: newInt32(10),
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},
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},
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},
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{ // Alternate update strategy
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original: &appsv1.StatefulSet{
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Spec: appsv1.StatefulSetSpec{
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Template: defaultTemplate,
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UpdateStrategy: appsv1.StatefulSetUpdateStrategy{
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Type: appsv1.OnDeleteStatefulSetStrategyType,
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},
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},
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},
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expected: &appsv1.StatefulSet{
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ObjectMeta: metav1.ObjectMeta{
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Labels: defaultLabels,
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},
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Spec: appsv1.StatefulSetSpec{
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Replicas: &defaultReplicas,
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Template: defaultTemplate,
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PodManagementPolicy: appsv1.OrderedReadyPodManagement,
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UpdateStrategy: appsv1.StatefulSetUpdateStrategy{
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Type: appsv1.OnDeleteStatefulSetStrategyType,
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},
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RevisionHistoryLimit: newInt32(10),
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},
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},
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},
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{ // Parallel pod management policy.
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original: &appsv1.StatefulSet{
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Spec: appsv1.StatefulSetSpec{
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Template: defaultTemplate,
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PodManagementPolicy: appsv1.ParallelPodManagement,
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},
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},
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expected: &appsv1.StatefulSet{
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ObjectMeta: metav1.ObjectMeta{
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Labels: defaultLabels,
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},
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Spec: appsv1.StatefulSetSpec{
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Replicas: &defaultReplicas,
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Template: defaultTemplate,
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PodManagementPolicy: appsv1.ParallelPodManagement,
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UpdateStrategy: appsv1.StatefulSetUpdateStrategy{
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Type: appsv1.RollingUpdateStatefulSetStrategyType,
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RollingUpdate: &appsv1.RollingUpdateStatefulSetStrategy{
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Partition: &defaultPartition,
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},
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},
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RevisionHistoryLimit: newInt32(10),
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},
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},
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},
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}
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for i, test := range tests {
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original := test.original
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expected := test.expected
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obj2 := roundTrip(t, runtime.Object(original))
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got, ok := obj2.(*appsv1.StatefulSet)
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if !ok {
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t.Errorf("(%d) unexpected object: %v", i, got)
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t.FailNow()
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}
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if !apiequality.Semantic.DeepEqual(got.Spec, expected.Spec) {
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t.Errorf("(%d) got different than expected\ngot:\n\t%+v\nexpected:\n\t%+v", i, got.Spec, expected.Spec)
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}
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}
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}
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func TestSetDefaultDeployment(t *testing.T) {
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defaultIntOrString := intstr.FromString("25%")
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differentIntOrString := intstr.FromInt(5)
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period := int64(v1.DefaultTerminationGracePeriodSeconds)
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defaultTemplate := v1.PodTemplateSpec{
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Spec: v1.PodSpec{
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DNSPolicy: v1.DNSClusterFirst,
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RestartPolicy: v1.RestartPolicyAlways,
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SecurityContext: &v1.PodSecurityContext{},
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TerminationGracePeriodSeconds: &period,
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SchedulerName: api.DefaultSchedulerName,
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},
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}
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tests := []struct {
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original *appsv1.Deployment
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expected *appsv1.Deployment
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}{
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{
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original: &appsv1.Deployment{},
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expected: &appsv1.Deployment{
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Spec: appsv1.DeploymentSpec{
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Replicas: newInt32(1),
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Strategy: appsv1.DeploymentStrategy{
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Type: appsv1.RollingUpdateDeploymentStrategyType,
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RollingUpdate: &appsv1.RollingUpdateDeployment{
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MaxSurge: &defaultIntOrString,
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MaxUnavailable: &defaultIntOrString,
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},
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},
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RevisionHistoryLimit: newInt32(10),
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ProgressDeadlineSeconds: newInt32(600),
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Template: defaultTemplate,
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},
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},
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},
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{
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original: &appsv1.Deployment{
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Spec: appsv1.DeploymentSpec{
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Replicas: newInt32(5),
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Strategy: appsv1.DeploymentStrategy{
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RollingUpdate: &appsv1.RollingUpdateDeployment{
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MaxSurge: &differentIntOrString,
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},
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},
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},
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},
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expected: &appsv1.Deployment{
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Spec: appsv1.DeploymentSpec{
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Replicas: newInt32(5),
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Strategy: appsv1.DeploymentStrategy{
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Type: appsv1.RollingUpdateDeploymentStrategyType,
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RollingUpdate: &appsv1.RollingUpdateDeployment{
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MaxSurge: &differentIntOrString,
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MaxUnavailable: &defaultIntOrString,
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},
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},
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RevisionHistoryLimit: newInt32(10),
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ProgressDeadlineSeconds: newInt32(600),
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Template: defaultTemplate,
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},
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},
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},
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{
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original: &appsv1.Deployment{
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Spec: appsv1.DeploymentSpec{
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Replicas: newInt32(3),
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Strategy: appsv1.DeploymentStrategy{
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Type: appsv1.RollingUpdateDeploymentStrategyType,
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RollingUpdate: nil,
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},
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},
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},
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expected: &appsv1.Deployment{
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Spec: appsv1.DeploymentSpec{
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Replicas: newInt32(3),
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Strategy: appsv1.DeploymentStrategy{
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Type: appsv1.RollingUpdateDeploymentStrategyType,
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RollingUpdate: &appsv1.RollingUpdateDeployment{
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MaxSurge: &defaultIntOrString,
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MaxUnavailable: &defaultIntOrString,
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},
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},
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RevisionHistoryLimit: newInt32(10),
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ProgressDeadlineSeconds: newInt32(600),
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Template: defaultTemplate,
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},
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},
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},
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{
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original: &appsv1.Deployment{
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Spec: appsv1.DeploymentSpec{
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Replicas: newInt32(5),
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Strategy: appsv1.DeploymentStrategy{
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Type: appsv1.RecreateDeploymentStrategyType,
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},
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RevisionHistoryLimit: newInt32(0),
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},
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},
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expected: &appsv1.Deployment{
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Spec: appsv1.DeploymentSpec{
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Replicas: newInt32(5),
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Strategy: appsv1.DeploymentStrategy{
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Type: appsv1.RecreateDeploymentStrategyType,
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},
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RevisionHistoryLimit: newInt32(0),
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ProgressDeadlineSeconds: newInt32(600),
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Template: defaultTemplate,
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},
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},
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},
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{
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original: &appsv1.Deployment{
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Spec: appsv1.DeploymentSpec{
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Replicas: newInt32(5),
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Strategy: appsv1.DeploymentStrategy{
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Type: appsv1.RecreateDeploymentStrategyType,
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},
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ProgressDeadlineSeconds: newInt32(30),
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RevisionHistoryLimit: newInt32(2),
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},
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},
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expected: &appsv1.Deployment{
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Spec: appsv1.DeploymentSpec{
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Replicas: newInt32(5),
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Strategy: appsv1.DeploymentStrategy{
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Type: appsv1.RecreateDeploymentStrategyType,
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},
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ProgressDeadlineSeconds: newInt32(30),
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RevisionHistoryLimit: newInt32(2),
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Template: defaultTemplate,
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},
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},
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},
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}
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for _, test := range tests {
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original := test.original
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expected := test.expected
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obj2 := roundTrip(t, runtime.Object(original))
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got, ok := obj2.(*appsv1.Deployment)
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if !ok {
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t.Errorf("unexpected object: %v", got)
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t.FailNow()
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}
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if !apiequality.Semantic.DeepEqual(got.Spec, expected.Spec) {
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t.Errorf("object mismatch!\nexpected:\n\t%+v\ngot:\n\t%+v", got.Spec, expected.Spec)
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}
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}
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}
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func TestDefaultDeploymentAvailability(t *testing.T) {
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d := roundTrip(t, runtime.Object(&appsv1.Deployment{})).(*appsv1.Deployment)
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maxUnavailable, err := intstr.GetValueFromIntOrPercent(d.Spec.Strategy.RollingUpdate.MaxUnavailable, int(*(d.Spec.Replicas)), false)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if *(d.Spec.Replicas)-int32(maxUnavailable) <= 0 {
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t.Fatalf("the default value of maxUnavailable can lead to no active replicas during rolling update")
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}
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}
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func TestSetDefaultReplicaSetReplicas(t *testing.T) {
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tests := []struct {
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rs appsv1.ReplicaSet
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expectReplicas int32
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}{
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{
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rs: appsv1.ReplicaSet{
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Spec: appsv1.ReplicaSetSpec{
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Template: v1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{
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"foo": "bar",
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},
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},
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},
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},
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},
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expectReplicas: 1,
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},
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{
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rs: appsv1.ReplicaSet{
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Spec: appsv1.ReplicaSetSpec{
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Replicas: newInt32(0),
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Template: v1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{
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"foo": "bar",
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},
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},
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},
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},
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},
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expectReplicas: 0,
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},
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{
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rs: appsv1.ReplicaSet{
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Spec: appsv1.ReplicaSetSpec{
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Replicas: newInt32(3),
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Template: v1.PodTemplateSpec{
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ObjectMeta: metav1.ObjectMeta{
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Labels: map[string]string{
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"foo": "bar",
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},
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},
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},
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},
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},
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expectReplicas: 3,
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},
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}
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|
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for _, test := range tests {
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rs := &test.rs
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obj2 := roundTrip(t, runtime.Object(rs))
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rs2, ok := obj2.(*appsv1.ReplicaSet)
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if !ok {
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t.Errorf("unexpected object: %v", rs2)
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t.FailNow()
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}
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if rs2.Spec.Replicas == nil {
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t.Errorf("unexpected nil Replicas")
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} else if test.expectReplicas != *rs2.Spec.Replicas {
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t.Errorf("expected: %d replicas, got: %d", test.expectReplicas, *rs2.Spec.Replicas)
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}
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}
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}
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|
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func TestDefaultRequestIsNotSetForReplicaSet(t *testing.T) {
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s := v1.PodSpec{}
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s.Containers = []v1.Container{
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{
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Resources: v1.ResourceRequirements{
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Limits: v1.ResourceList{
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v1.ResourceCPU: resource.MustParse("100m"),
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},
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},
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},
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}
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rs := &appsv1.ReplicaSet{
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Spec: appsv1.ReplicaSetSpec{
|
|
Replicas: newInt32(3),
|
|
Template: v1.PodTemplateSpec{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Labels: map[string]string{
|
|
"foo": "bar",
|
|
},
|
|
},
|
|
Spec: s,
|
|
},
|
|
},
|
|
}
|
|
output := roundTrip(t, runtime.Object(rs))
|
|
rs2 := output.(*appsv1.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(legacyscheme.Codecs.LegacyCodec(SchemeGroupVersion), obj)
|
|
if err != nil {
|
|
t.Errorf("%v\n %#v", err, obj)
|
|
return nil
|
|
}
|
|
obj2, err := runtime.Decode(legacyscheme.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 = legacyscheme.Scheme.Convert(obj2, obj3, nil)
|
|
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
|
|
}
|