func makeFakeContainer(m *kubeGenericRuntimeManager, pod *api.Pod, container api.Container, sandboxConfig *runtimeApi.PodSandboxConfig, createdAt int64, state runtimeApi.ContainerState) (*apitest.FakeContainer, error) {
containerConfig, err := m.generateContainerConfig(&container, pod, 0, "")
if err != nil {
return nil, err
}
containerID := apitest.BuildContainerName(containerConfig.Metadata)
podSandboxID := apitest.BuildSandboxName(sandboxConfig.Metadata)
imageRef := containerConfig.Image.GetImage()
return &apitest.FakeContainer{
ContainerStatus: runtimeApi.ContainerStatus{
Id: &containerID,
Metadata: containerConfig.Metadata,
Image: containerConfig.Image,
ImageRef: &imageRef,
CreatedAt: &createdAt,
State: &state,
Labels: containerConfig.Labels,
Annotations: containerConfig.Annotations,
},
SandboxID: podSandboxID,
}, nil
}
// makeFakeContainer creates a fake container based on a container template.
func makeFakeContainer(t *testing.T, m *kubeGenericRuntimeManager, template containerTemplate) *apitest.FakeContainer {
sandboxConfig, err := m.generatePodSandboxConfig(template.pod, template.sandboxAttempt)
assert.NoError(t, err, "generatePodSandboxConfig for container template %+v", template)
containerConfig, err := m.generateContainerConfig(template.container, template.pod, template.attempt, "")
assert.NoError(t, err, "generateContainerConfig for container template %+v", template)
podSandboxID := apitest.BuildSandboxName(sandboxConfig.Metadata)
containerID := apitest.BuildContainerName(containerConfig.Metadata, podSandboxID)
imageRef := containerConfig.Image.GetImage()
return &apitest.FakeContainer{
ContainerStatus: runtimeApi.ContainerStatus{
Id: &containerID,
Metadata: containerConfig.Metadata,
Image: containerConfig.Image,
ImageRef: &imageRef,
CreatedAt: &template.createdAt,
State: &template.state,
Labels: containerConfig.Labels,
Annotations: containerConfig.Annotations,
},
SandboxID: podSandboxID,
}
}
func TestSyncPodWithInitContainers(t *testing.T) {
fakeRuntime, _, m, err := createTestRuntimeManager()
assert.NoError(t, err)
initContainers := []v1.Container{
{
Name: "init1",
Image: "init",
ImagePullPolicy: v1.PullIfNotPresent,
},
}
containers := []v1.Container{
{
Name: "foo1",
Image: "busybox",
ImagePullPolicy: v1.PullIfNotPresent,
},
{
Name: "foo2",
Image: "alpine",
ImagePullPolicy: v1.PullIfNotPresent,
},
}
pod := &v1.Pod{
ObjectMeta: v1.ObjectMeta{
UID: "12345678",
Name: "foo",
Namespace: "new",
},
Spec: v1.PodSpec{
Containers: containers,
InitContainers: initContainers,
},
}
// buildContainerID is an internal helper function to build container id from api pod
// and container with default attempt number 0.
buildContainerID := func(pod *v1.Pod, container v1.Container) string {
uid := string(pod.UID)
sandboxID := apitest.BuildSandboxName(&runtimeApi.PodSandboxMetadata{
Name: &pod.Name,
Uid: &uid,
Namespace: &pod.Namespace,
})
return apitest.BuildContainerName(&runtimeApi.ContainerMetadata{Name: &container.Name}, sandboxID)
}
backOff := flowcontrol.NewBackOff(time.Second, time.Minute)
// 1. should only create the init container.
podStatus, err := m.GetPodStatus(pod.UID, pod.Name, pod.Namespace)
assert.NoError(t, err)
result := m.SyncPod(pod, v1.PodStatus{}, podStatus, []v1.Secret{}, backOff)
assert.NoError(t, result.Error())
assert.Equal(t, 1, len(fakeRuntime.Containers))
initContainerID := buildContainerID(pod, initContainers[0])
expectedContainers := []string{initContainerID}
if actual, ok := verifyFakeContainerList(fakeRuntime, expectedContainers); !ok {
t.Errorf("expected %q, got %q", expectedContainers, actual)
}
// 2. should not create app container because init container is still running.
podStatus, err = m.GetPodStatus(pod.UID, pod.Name, pod.Namespace)
assert.NoError(t, err)
result = m.SyncPod(pod, v1.PodStatus{}, podStatus, []v1.Secret{}, backOff)
assert.NoError(t, result.Error())
assert.Equal(t, 1, len(fakeRuntime.Containers))
expectedContainers = []string{initContainerID}
if actual, ok := verifyFakeContainerList(fakeRuntime, expectedContainers); !ok {
t.Errorf("expected %q, got %q", expectedContainers, actual)
}
// 3. should create all app containers because init container finished.
fakeRuntime.StopContainer(initContainerID, 0)
podStatus, err = m.GetPodStatus(pod.UID, pod.Name, pod.Namespace)
assert.NoError(t, err)
result = m.SyncPod(pod, v1.PodStatus{}, podStatus, []v1.Secret{}, backOff)
assert.NoError(t, result.Error())
assert.Equal(t, 3, len(fakeRuntime.Containers))
expectedContainers = []string{initContainerID, buildContainerID(pod, containers[0]),
buildContainerID(pod, containers[1])}
if actual, ok := verifyFakeContainerList(fakeRuntime, expectedContainers); !ok {
t.Errorf("expected %q, got %q", expectedContainers, actual)
}
}