142 lines
4.1 KiB
Go
142 lines
4.1 KiB
Go
/*
|
|
Copyright 2016 The Kubernetes Authors.
|
|
|
|
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 kuberuntime
|
|
|
|
import (
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
"k8s.io/kubernetes/pkg/api"
|
|
apitest "k8s.io/kubernetes/pkg/kubelet/api/testing"
|
|
runtimeApi "k8s.io/kubernetes/pkg/kubelet/api/v1alpha1/runtime"
|
|
kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
|
|
"k8s.io/kubernetes/pkg/types"
|
|
)
|
|
|
|
type apiPodWithCreatedAt struct {
|
|
apiPod *api.Pod
|
|
createdAt int64
|
|
}
|
|
|
|
func makeAndSetFakeEvictablePod(m *kubeGenericRuntimeManager, fakeRuntime *apitest.FakeRuntimeService, pods []*apiPodWithCreatedAt) error {
|
|
sandboxes := make([]*apitest.FakePodSandbox, 0)
|
|
containers := make([]*apitest.FakeContainer, 0)
|
|
for _, pod := range pods {
|
|
fakePodSandbox, err := makeFakePodSandbox(m, pod.apiPod, pod.createdAt)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
fakeContainers, err := makeFakeContainers(m, pod.apiPod, pod.apiPod.Spec.Containers, pod.createdAt, runtimeApi.ContainerState_EXITED)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// Set sandbox to not ready state
|
|
sandboxNotReady := runtimeApi.PodSandBoxState_NOTREADY
|
|
fakePodSandbox.State = &sandboxNotReady
|
|
sandboxes = append(sandboxes, fakePodSandbox)
|
|
|
|
// Set containers to exited state
|
|
containerExited := runtimeApi.ContainerState_EXITED
|
|
for _, c := range fakeContainers {
|
|
c.State = &containerExited
|
|
containers = append(containers, c)
|
|
}
|
|
|
|
}
|
|
|
|
fakeRuntime.SetFakeSandboxes(sandboxes)
|
|
fakeRuntime.SetFakeContainers(containers)
|
|
return nil
|
|
}
|
|
|
|
func makeTestContainer(name, image string) api.Container {
|
|
return api.Container{
|
|
Name: name,
|
|
Image: image,
|
|
}
|
|
}
|
|
|
|
func makeTestPod(podName, podNamespace, podUID string, containers []api.Container, createdAt int64) *apiPodWithCreatedAt {
|
|
return &apiPodWithCreatedAt{
|
|
createdAt: createdAt,
|
|
apiPod: &api.Pod{
|
|
ObjectMeta: api.ObjectMeta{
|
|
UID: types.UID(podUID),
|
|
Name: podName,
|
|
Namespace: podNamespace,
|
|
},
|
|
Spec: api.PodSpec{
|
|
Containers: containers,
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
func TestGarbageCollect(t *testing.T) {
|
|
fakeRuntime, _, m, err := createTestRuntimeManager()
|
|
assert.NoError(t, err)
|
|
|
|
pods := []*apiPodWithCreatedAt{
|
|
makeTestPod("123456", "foo1", "new", []api.Container{
|
|
makeTestContainer("foo1", "busybox"),
|
|
makeTestContainer("foo2", "busybox"),
|
|
makeTestContainer("foo3", "busybox"),
|
|
}, 1),
|
|
makeTestPod("1234567", "foo2", "new", []api.Container{
|
|
makeTestContainer("foo4", "busybox"),
|
|
makeTestContainer("foo5", "busybox"),
|
|
}, 2),
|
|
makeTestPod("12345678", "foo3", "new", []api.Container{
|
|
makeTestContainer("foo6", "busybox"),
|
|
}, 3),
|
|
}
|
|
err = makeAndSetFakeEvictablePod(m, fakeRuntime, pods)
|
|
assert.NoError(t, err)
|
|
assert.NoError(t, m.GarbageCollect(kubecontainer.ContainerGCPolicy{
|
|
MinAge: time.Second,
|
|
MaxPerPodContainer: 1,
|
|
MaxContainers: 3,
|
|
}, false))
|
|
assert.Equal(t, 3, len(fakeRuntime.Containers))
|
|
assert.Equal(t, 2, len(fakeRuntime.Sandboxes))
|
|
|
|
// no containers should be removed.
|
|
err = makeAndSetFakeEvictablePod(m, fakeRuntime, pods)
|
|
assert.NoError(t, err)
|
|
assert.NoError(t, m.GarbageCollect(kubecontainer.ContainerGCPolicy{
|
|
MinAge: time.Second,
|
|
MaxPerPodContainer: 10,
|
|
MaxContainers: 100,
|
|
}, false))
|
|
assert.Equal(t, 6, len(fakeRuntime.Containers))
|
|
assert.Equal(t, 3, len(fakeRuntime.Sandboxes))
|
|
|
|
// all containers should be removed.
|
|
err = makeAndSetFakeEvictablePod(m, fakeRuntime, pods)
|
|
assert.NoError(t, err)
|
|
assert.NoError(t, m.GarbageCollect(kubecontainer.ContainerGCPolicy{
|
|
MinAge: time.Second,
|
|
MaxPerPodContainer: 0,
|
|
MaxContainers: 0,
|
|
}, false))
|
|
assert.Equal(t, 0, len(fakeRuntime.Containers))
|
|
assert.Equal(t, 0, len(fakeRuntime.Sandboxes))
|
|
}
|