mirror of
https://github.com/k3s-io/kubernetes.git
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136 lines
5.1 KiB
Go
136 lines
5.1 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 daemon
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import (
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"testing"
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"k8s.io/apimachinery/pkg/util/intstr"
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extensions "k8s.io/kubernetes/pkg/apis/extensions/v1beta1"
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)
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func TestDaemonSetUpdatesPods(t *testing.T) {
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manager, podControl, _ := newTestController()
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maxUnavailable := 2
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addNodes(manager.nodeStore, 0, 5, nil)
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ds := newDaemonSet("foo")
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manager.dsStore.Add(ds)
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syncAndValidateDaemonSets(t, manager, ds, podControl, 5, 0)
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markPodsReady(podControl.podStore)
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ds.Spec.Template.Spec.Containers[0].Image = "foo2/bar2"
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ds.Spec.UpdateStrategy.Type = extensions.RollingUpdateDaemonSetStrategyType
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intStr := intstr.FromInt(maxUnavailable)
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ds.Spec.UpdateStrategy.RollingUpdate = &extensions.RollingUpdateDaemonSet{MaxUnavailable: &intStr}
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ds.Spec.TemplateGeneration++
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manager.dsStore.Update(ds)
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clearExpectations(t, manager, ds, podControl)
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syncAndValidateDaemonSets(t, manager, ds, podControl, 0, maxUnavailable)
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clearExpectations(t, manager, ds, podControl)
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syncAndValidateDaemonSets(t, manager, ds, podControl, maxUnavailable, 0)
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markPodsReady(podControl.podStore)
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clearExpectations(t, manager, ds, podControl)
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syncAndValidateDaemonSets(t, manager, ds, podControl, 0, maxUnavailable)
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clearExpectations(t, manager, ds, podControl)
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syncAndValidateDaemonSets(t, manager, ds, podControl, maxUnavailable, 0)
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markPodsReady(podControl.podStore)
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clearExpectations(t, manager, ds, podControl)
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syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 1)
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clearExpectations(t, manager, ds, podControl)
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syncAndValidateDaemonSets(t, manager, ds, podControl, 1, 0)
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markPodsReady(podControl.podStore)
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clearExpectations(t, manager, ds, podControl)
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syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 0)
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clearExpectations(t, manager, ds, podControl)
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}
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func TestDaemonSetUpdatesWhenNewPosIsNotReady(t *testing.T) {
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manager, podControl, _ := newTestController()
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maxUnavailable := 3
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addNodes(manager.nodeStore, 0, 5, nil)
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ds := newDaemonSet("foo")
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manager.dsStore.Add(ds)
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syncAndValidateDaemonSets(t, manager, ds, podControl, 5, 0)
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markPodsReady(podControl.podStore)
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ds.Spec.Template.Spec.Containers[0].Image = "foo2/bar2"
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ds.Spec.UpdateStrategy.Type = extensions.RollingUpdateDaemonSetStrategyType
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intStr := intstr.FromInt(maxUnavailable)
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ds.Spec.UpdateStrategy.RollingUpdate = &extensions.RollingUpdateDaemonSet{MaxUnavailable: &intStr}
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ds.Spec.TemplateGeneration++
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manager.dsStore.Update(ds)
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// new pods are not ready numUnavailable == maxUnavailable
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clearExpectations(t, manager, ds, podControl)
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syncAndValidateDaemonSets(t, manager, ds, podControl, 0, maxUnavailable)
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clearExpectations(t, manager, ds, podControl)
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syncAndValidateDaemonSets(t, manager, ds, podControl, maxUnavailable, 0)
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clearExpectations(t, manager, ds, podControl)
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syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 0)
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clearExpectations(t, manager, ds, podControl)
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}
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func TestDaemonSetUpdatesAllOldPodsNotReady(t *testing.T) {
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manager, podControl, _ := newTestController()
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maxUnavailable := 3
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addNodes(manager.nodeStore, 0, 5, nil)
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ds := newDaemonSet("foo")
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manager.dsStore.Add(ds)
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syncAndValidateDaemonSets(t, manager, ds, podControl, 5, 0)
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ds.Spec.Template.Spec.Containers[0].Image = "foo2/bar2"
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ds.Spec.UpdateStrategy.Type = extensions.RollingUpdateDaemonSetStrategyType
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intStr := intstr.FromInt(maxUnavailable)
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ds.Spec.UpdateStrategy.RollingUpdate = &extensions.RollingUpdateDaemonSet{MaxUnavailable: &intStr}
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ds.Spec.TemplateGeneration++
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manager.dsStore.Update(ds)
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// all old pods are unavailable so should be removed
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clearExpectations(t, manager, ds, podControl)
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syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 5)
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clearExpectations(t, manager, ds, podControl)
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syncAndValidateDaemonSets(t, manager, ds, podControl, 5, 0)
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clearExpectations(t, manager, ds, podControl)
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syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 0)
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clearExpectations(t, manager, ds, podControl)
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}
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func TestDaemonSetUpdatesNoTemplateChanged(t *testing.T) {
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manager, podControl, _ := newTestController()
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maxUnavailable := 3
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addNodes(manager.nodeStore, 0, 5, nil)
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ds := newDaemonSet("foo")
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manager.dsStore.Add(ds)
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syncAndValidateDaemonSets(t, manager, ds, podControl, 5, 0)
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ds.Spec.UpdateStrategy.Type = extensions.RollingUpdateDaemonSetStrategyType
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intStr := intstr.FromInt(maxUnavailable)
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ds.Spec.UpdateStrategy.RollingUpdate = &extensions.RollingUpdateDaemonSet{MaxUnavailable: &intStr}
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manager.dsStore.Update(ds)
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// template is not changed no pod should be removed
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clearExpectations(t, manager, ds, podControl)
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syncAndValidateDaemonSets(t, manager, ds, podControl, 0, 0)
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clearExpectations(t, manager, ds, podControl)
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}
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