Add generated file

This PR adds generated files under pkg/client and vendor folder.

vendor/k8s.io/kubernetes/pkg/kubelet/kubelet_volumes_test.go

@@ -0,0 +1,473 @@
+/*
+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 kubelet
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/types"
+	core "k8s.io/client-go/testing"
+	"k8s.io/kubernetes/pkg/volume"
+	volumetest "k8s.io/kubernetes/pkg/volume/testing"
+	"k8s.io/kubernetes/pkg/volume/util"
+)
+
+func TestListVolumesForPod(t *testing.T) {
+	testKubelet := newTestKubelet(t, false /* controllerAttachDetachEnabled */)
+	defer testKubelet.Cleanup()
+	kubelet := testKubelet.kubelet
+
+	pod := podWithUIDNameNsSpec("12345678", "foo", "test", v1.PodSpec{
+		Volumes: []v1.Volume{
+			{
+				Name: "vol1",
+				VolumeSource: v1.VolumeSource{
+					GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{
+						PDName: "fake-device1",
+					},
+				},
+			},
+			{
+				Name: "vol2",
+				VolumeSource: v1.VolumeSource{
+					GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{
+						PDName: "fake-device2",
+					},
+				},
+			},
+		},
+	})
+
+	stopCh := runVolumeManager(kubelet)
+	defer close(stopCh)
+
+	kubelet.podManager.SetPods([]*v1.Pod{pod})
+	err := kubelet.volumeManager.WaitForAttachAndMount(pod)
+	assert.NoError(t, err)
+
+	podName := util.GetUniquePodName(pod)
+
+	volumesToReturn, volumeExsit := kubelet.ListVolumesForPod(types.UID(podName))
+	assert.True(t, volumeExsit, "expected to find volumes for pod %q", podName)
+
+	outerVolumeSpecName1 := "vol1"
+	assert.NotNil(t, volumesToReturn[outerVolumeSpecName1], "key %s", outerVolumeSpecName1)
+
+	outerVolumeSpecName2 := "vol2"
+	assert.NotNil(t, volumesToReturn[outerVolumeSpecName2], "key %s", outerVolumeSpecName2)
+
+}
+
+func TestPodVolumesExist(t *testing.T) {
+	testKubelet := newTestKubelet(t, false /* controllerAttachDetachEnabled */)
+	defer testKubelet.Cleanup()
+	kubelet := testKubelet.kubelet
+
+	pods := []*v1.Pod{
+		{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "pod1",
+				UID:  "pod1uid",
+			},
+			Spec: v1.PodSpec{
+				Volumes: []v1.Volume{
+					{
+						Name: "vol1",
+						VolumeSource: v1.VolumeSource{
+							GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{
+								PDName: "fake-device1",
+							},
+						},
+					},
+				},
+			},
+		},
+		{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "pod2",
+				UID:  "pod2uid",
+			},
+			Spec: v1.PodSpec{
+				Volumes: []v1.Volume{
+					{
+						Name: "vol2",
+						VolumeSource: v1.VolumeSource{
+							GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{
+								PDName: "fake-device2",
+							},
+						},
+					},
+				},
+			},
+		},
+		{
+			ObjectMeta: metav1.ObjectMeta{
+				Name: "pod3",
+				UID:  "pod3uid",
+			},
+			Spec: v1.PodSpec{
+				Volumes: []v1.Volume{
+					{
+						Name: "vol3",
+						VolumeSource: v1.VolumeSource{
+							GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{
+								PDName: "fake-device3",
+							},
+						},
+					},
+				},
+			},
+		},
+	}
+
+	stopCh := runVolumeManager(kubelet)
+	defer close(stopCh)
+
+	kubelet.podManager.SetPods(pods)
+	for _, pod := range pods {
+		err := kubelet.volumeManager.WaitForAttachAndMount(pod)
+		assert.NoError(t, err)
+	}
+
+	for _, pod := range pods {
+		podVolumesExist := kubelet.podVolumesExist(pod.UID)
+		assert.True(t, podVolumesExist, "pod %q", pod.UID)
+	}
+}
+
+func TestVolumeAttachAndMountControllerDisabled(t *testing.T) {
+	testKubelet := newTestKubelet(t, false /* controllerAttachDetachEnabled */)
+	defer testKubelet.Cleanup()
+	kubelet := testKubelet.kubelet
+
+	pod := podWithUIDNameNsSpec("12345678", "foo", "test", v1.PodSpec{
+		Volumes: []v1.Volume{
+			{
+				Name: "vol1",
+				VolumeSource: v1.VolumeSource{
+					GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{
+						PDName: "fake-device",
+					},
+				},
+			},
+		},
+	})
+
+	stopCh := runVolumeManager(kubelet)
+	defer close(stopCh)
+
+	kubelet.podManager.SetPods([]*v1.Pod{pod})
+	err := kubelet.volumeManager.WaitForAttachAndMount(pod)
+	assert.NoError(t, err)
+
+	podVolumes := kubelet.volumeManager.GetMountedVolumesForPod(
+		util.GetUniquePodName(pod))
+
+	expectedPodVolumes := []string{"vol1"}
+	assert.Len(t, podVolumes, len(expectedPodVolumes), "Volumes for pod %+v", pod)
+	for _, name := range expectedPodVolumes {
+		assert.Contains(t, podVolumes, name, "Volumes for pod %+v", pod)
+	}
+	assert.True(t, testKubelet.volumePlugin.GetNewAttacherCallCount() >= 1, "Expected plugin NewAttacher to be called at least once")
+	assert.NoError(t, volumetest.VerifyWaitForAttachCallCount(
+		1 /* expectedWaitForAttachCallCount */, testKubelet.volumePlugin))
+	assert.NoError(t, volumetest.VerifyAttachCallCount(
+		1 /* expectedAttachCallCount */, testKubelet.volumePlugin))
+	assert.NoError(t, volumetest.VerifyMountDeviceCallCount(
+		1 /* expectedMountDeviceCallCount */, testKubelet.volumePlugin))
+	assert.NoError(t, volumetest.VerifySetUpCallCount(
+		1 /* expectedSetUpCallCount */, testKubelet.volumePlugin))
+}
+
+func TestVolumeUnmountAndDetachControllerDisabled(t *testing.T) {
+	testKubelet := newTestKubelet(t, false /* controllerAttachDetachEnabled */)
+	defer testKubelet.Cleanup()
+	kubelet := testKubelet.kubelet
+
+	pod := podWithUIDNameNsSpec("12345678", "foo", "test", v1.PodSpec{
+		Volumes: []v1.Volume{
+			{
+				Name: "vol1",
+				VolumeSource: v1.VolumeSource{
+					GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{
+						PDName: "fake-device",
+					},
+				},
+			},
+		},
+	})
+
+	stopCh := runVolumeManager(kubelet)
+	defer close(stopCh)
+
+	// Add pod
+	kubelet.podManager.SetPods([]*v1.Pod{pod})
+
+	// Verify volumes attached
+	err := kubelet.volumeManager.WaitForAttachAndMount(pod)
+	assert.NoError(t, err)
+
+	podVolumes := kubelet.volumeManager.GetMountedVolumesForPod(
+		util.GetUniquePodName(pod))
+
+	expectedPodVolumes := []string{"vol1"}
+	assert.Len(t, podVolumes, len(expectedPodVolumes), "Volumes for pod %+v", pod)
+	for _, name := range expectedPodVolumes {
+		assert.Contains(t, podVolumes, name, "Volumes for pod %+v", pod)
+	}
+
+	assert.True(t, testKubelet.volumePlugin.GetNewAttacherCallCount() >= 1, "Expected plugin NewAttacher to be called at least once")
+	assert.NoError(t, volumetest.VerifyWaitForAttachCallCount(
+		1 /* expectedWaitForAttachCallCount */, testKubelet.volumePlugin))
+	assert.NoError(t, volumetest.VerifyAttachCallCount(
+		1 /* expectedAttachCallCount */, testKubelet.volumePlugin))
+	assert.NoError(t, volumetest.VerifyMountDeviceCallCount(
+		1 /* expectedMountDeviceCallCount */, testKubelet.volumePlugin))
+	assert.NoError(t, volumetest.VerifySetUpCallCount(
+		1 /* expectedSetUpCallCount */, testKubelet.volumePlugin))
+
+	// Remove pod
+	kubelet.podManager.SetPods([]*v1.Pod{})
+
+	assert.NoError(t, waitForVolumeUnmount(kubelet.volumeManager, pod))
+
+	// Verify volumes unmounted
+	podVolumes = kubelet.volumeManager.GetMountedVolumesForPod(
+		util.GetUniquePodName(pod))
+
+	assert.Len(t, podVolumes, 0,
+		"Expected volumes to be unmounted and detached. But some volumes are still mounted: %#v", podVolumes)
+
+	assert.NoError(t, volumetest.VerifyTearDownCallCount(
+		1 /* expectedTearDownCallCount */, testKubelet.volumePlugin))
+
+	// Verify volumes detached and no longer reported as in use
+	assert.NoError(t, waitForVolumeDetach(v1.UniqueVolumeName("fake/fake-device"), kubelet.volumeManager))
+	assert.True(t, testKubelet.volumePlugin.GetNewAttacherCallCount() >= 1, "Expected plugin NewAttacher to be called at least once")
+	assert.NoError(t, volumetest.VerifyDetachCallCount(
+		1 /* expectedDetachCallCount */, testKubelet.volumePlugin))
+}
+
+func TestVolumeAttachAndMountControllerEnabled(t *testing.T) {
+	testKubelet := newTestKubelet(t, true /* controllerAttachDetachEnabled */)
+	defer testKubelet.Cleanup()
+	kubelet := testKubelet.kubelet
+	kubeClient := testKubelet.fakeKubeClient
+	kubeClient.AddReactor("get", "nodes",
+		func(action core.Action) (bool, runtime.Object, error) {
+			return true, &v1.Node{
+				ObjectMeta: metav1.ObjectMeta{Name: testKubeletHostname},
+				Status: v1.NodeStatus{
+					VolumesAttached: []v1.AttachedVolume{
+						{
+							Name:       "fake/fake-device",
+							DevicePath: "fake/path",
+						},
+					}},
+			}, nil
+		})
+	kubeClient.AddReactor("*", "*", func(action core.Action) (bool, runtime.Object, error) {
+		return true, nil, fmt.Errorf("no reaction implemented for %s", action)
+	})
+
+	pod := podWithUIDNameNsSpec("12345678", "foo", "test", v1.PodSpec{
+		Volumes: []v1.Volume{
+			{
+				Name: "vol1",
+				VolumeSource: v1.VolumeSource{
+					GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{
+						PDName: "fake-device",
+					},
+				},
+			},
+		},
+	})
+
+	stopCh := runVolumeManager(kubelet)
+	defer close(stopCh)
+
+	kubelet.podManager.SetPods([]*v1.Pod{pod})
+
+	// Fake node status update
+	go simulateVolumeInUseUpdate(
+		v1.UniqueVolumeName("fake/fake-device"),
+		stopCh,
+		kubelet.volumeManager)
+
+	assert.NoError(t, kubelet.volumeManager.WaitForAttachAndMount(pod))
+
+	podVolumes := kubelet.volumeManager.GetMountedVolumesForPod(
+		util.GetUniquePodName(pod))
+
+	expectedPodVolumes := []string{"vol1"}
+	assert.Len(t, podVolumes, len(expectedPodVolumes), "Volumes for pod %+v", pod)
+	for _, name := range expectedPodVolumes {
+		assert.Contains(t, podVolumes, name, "Volumes for pod %+v", pod)
+	}
+	assert.True(t, testKubelet.volumePlugin.GetNewAttacherCallCount() >= 1, "Expected plugin NewAttacher to be called at least once")
+	assert.NoError(t, volumetest.VerifyWaitForAttachCallCount(
+		1 /* expectedWaitForAttachCallCount */, testKubelet.volumePlugin))
+	assert.NoError(t, volumetest.VerifyZeroAttachCalls(testKubelet.volumePlugin))
+	assert.NoError(t, volumetest.VerifyMountDeviceCallCount(
+		1 /* expectedMountDeviceCallCount */, testKubelet.volumePlugin))
+	assert.NoError(t, volumetest.VerifySetUpCallCount(
+		1 /* expectedSetUpCallCount */, testKubelet.volumePlugin))
+}
+
+func TestVolumeUnmountAndDetachControllerEnabled(t *testing.T) {
+	testKubelet := newTestKubelet(t, true /* controllerAttachDetachEnabled */)
+	defer testKubelet.Cleanup()
+	kubelet := testKubelet.kubelet
+	kubeClient := testKubelet.fakeKubeClient
+	kubeClient.AddReactor("get", "nodes",
+		func(action core.Action) (bool, runtime.Object, error) {
+			return true, &v1.Node{
+				ObjectMeta: metav1.ObjectMeta{Name: testKubeletHostname},
+				Status: v1.NodeStatus{
+					VolumesAttached: []v1.AttachedVolume{
+						{
+							Name:       "fake/fake-device",
+							DevicePath: "fake/path",
+						},
+					}},
+			}, nil
+		})
+	kubeClient.AddReactor("*", "*", func(action core.Action) (bool, runtime.Object, error) {
+		return true, nil, fmt.Errorf("no reaction implemented for %s", action)
+	})
+
+	pod := podWithUIDNameNsSpec("12345678", "foo", "test", v1.PodSpec{
+		Volumes: []v1.Volume{
+			{
+				Name: "vol1",
+				VolumeSource: v1.VolumeSource{
+					GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{
+						PDName: "fake-device",
+					},
+				},
+			},
+		},
+	})
+
+	stopCh := runVolumeManager(kubelet)
+	defer close(stopCh)
+
+	// Add pod
+	kubelet.podManager.SetPods([]*v1.Pod{pod})
+
+	// Fake node status update
+	go simulateVolumeInUseUpdate(
+		v1.UniqueVolumeName("fake/fake-device"),
+		stopCh,
+		kubelet.volumeManager)
+
+	// Verify volumes attached
+	assert.NoError(t, kubelet.volumeManager.WaitForAttachAndMount(pod))
+
+	podVolumes := kubelet.volumeManager.GetMountedVolumesForPod(
+		util.GetUniquePodName(pod))
+
+	expectedPodVolumes := []string{"vol1"}
+	assert.Len(t, podVolumes, len(expectedPodVolumes), "Volumes for pod %+v", pod)
+	for _, name := range expectedPodVolumes {
+		assert.Contains(t, podVolumes, name, "Volumes for pod %+v", pod)
+	}
+
+	assert.True(t, testKubelet.volumePlugin.GetNewAttacherCallCount() >= 1, "Expected plugin NewAttacher to be called at least once")
+	assert.NoError(t, volumetest.VerifyWaitForAttachCallCount(
+		1 /* expectedWaitForAttachCallCount */, testKubelet.volumePlugin))
+	assert.NoError(t, volumetest.VerifyZeroAttachCalls(testKubelet.volumePlugin))
+	assert.NoError(t, volumetest.VerifyMountDeviceCallCount(
+		1 /* expectedMountDeviceCallCount */, testKubelet.volumePlugin))
+	assert.NoError(t, volumetest.VerifySetUpCallCount(
+		1 /* expectedSetUpCallCount */, testKubelet.volumePlugin))
+
+	// Remove pod
+	kubelet.podManager.SetPods([]*v1.Pod{})
+
+	assert.NoError(t, waitForVolumeUnmount(kubelet.volumeManager, pod))
+
+	// Verify volumes unmounted
+	podVolumes = kubelet.volumeManager.GetMountedVolumesForPod(
+		util.GetUniquePodName(pod))
+
+	assert.Len(t, podVolumes, 0,
+		"Expected volumes to be unmounted and detached. But some volumes are still mounted: %#v", podVolumes)
+
+	assert.NoError(t, volumetest.VerifyTearDownCallCount(
+		1 /* expectedTearDownCallCount */, testKubelet.volumePlugin))
+
+	// Verify volumes detached and no longer reported as in use
+	assert.NoError(t, waitForVolumeDetach(v1.UniqueVolumeName("fake/fake-device"), kubelet.volumeManager))
+	assert.True(t, testKubelet.volumePlugin.GetNewAttacherCallCount() >= 1, "Expected plugin NewAttacher to be called at least once")
+	assert.NoError(t, volumetest.VerifyZeroDetachCallCount(testKubelet.volumePlugin))
+}
+
+type stubVolume struct {
+	path string
+	volume.MetricsNil
+}
+
+func (f *stubVolume) GetPath() string {
+	return f.path
+}
+
+func (f *stubVolume) GetAttributes() volume.Attributes {
+	return volume.Attributes{}
+}
+
+func (f *stubVolume) CanMount() error {
+	return nil
+}
+
+func (f *stubVolume) SetUp(fsGroup *int64) error {
+	return nil
+}
+
+func (f *stubVolume) SetUpAt(dir string, fsGroup *int64) error {
+	return nil
+}
+
+type stubBlockVolume struct {
+	dirPath string
+	volName string
+}
+
+func (f *stubBlockVolume) GetGlobalMapPath(spec *volume.Spec) (string, error) {
+	return "", nil
+}
+
+func (f *stubBlockVolume) GetPodDeviceMapPath() (string, string) {
+	return f.dirPath, f.volName
+}
+
+func (f *stubBlockVolume) SetUpDevice() (string, error) {
+	return "", nil
+}
+
+func (f stubBlockVolume) MapDevice(devicePath, globalMapPath, volumeMapPath, volumeMapName string, podUID types.UID) error {
+	return nil
+}
+
+func (f *stubBlockVolume) TearDownDevice(mapPath string, devicePath string) error {
+	return nil
+}