func newNode(name string) *api.Node {
	return &api.Node{
		ObjectMeta: api.ObjectMeta{Name: name},
		Spec: api.NodeSpec{
			ExternalID: name,
		},
		Status: api.NodeStatus{
			Capacity: api.ResourceList{
				api.ResourceName(api.ResourceCPU):    resource.MustParse("10"),
				api.ResourceName(api.ResourceMemory): resource.MustParse("10G"),
			},
		},
	}
}
func makePersistentVolume(serverIP string) *api.PersistentVolume {
	return &api.PersistentVolume{
		ObjectMeta: api.ObjectMeta{
			GenerateName: "nfs-",
		},
		Spec: api.PersistentVolumeSpec{
			PersistentVolumeReclaimPolicy: api.PersistentVolumeReclaimRecycle,
			Capacity: api.ResourceList{
				api.ResourceName(api.ResourceStorage): resource.MustParse("2Gi"),
			},
			PersistentVolumeSource: api.PersistentVolumeSource{
				NFS: &api.NFSVolumeSource{
					Server:   serverIP,
					Path:     "/",
					ReadOnly: false,
				},
			},
			AccessModes: []api.PersistentVolumeAccessMode{
				api.ReadWriteOnce,
				api.ReadOnlyMany,
				api.ReadWriteMany,
			},
		},
	}
}
func TestPersistentVolumeClaimGet(t *testing.T) {
	ns := api.NamespaceDefault
	persistentVolumeClaim := &api.PersistentVolumeClaim{
		ObjectMeta: api.ObjectMeta{
			Name:      "abc",
			Namespace: "foo",
		},
		Spec: api.PersistentVolumeClaimSpec{
			AccessModes: []api.PersistentVolumeAccessMode{
				api.ReadWriteOnce,
				api.ReadOnlyMany,
			},
			Resources: api.ResourceRequirements{
				Requests: api.ResourceList{
					api.ResourceName(api.ResourceStorage): resource.MustParse("10G"),
				},
			},
		},
	}
	c := &testClient{
		Request: testRequest{
			Method: "GET",
			Path:   testapi.ResourcePath(getPersistentVolumeClaimsResoureName(), ns, "abc"),
			Query:  buildQueryValues(ns, nil),
			Body:   nil,
		},
		Response: Response{StatusCode: 200, Body: persistentVolumeClaim},
	}

	response, err := c.Setup().PersistentVolumeClaims(ns).Get("abc")
	c.Validate(t, response, err)
}
func createTestVolumes() []*api.PersistentVolume {
	return []*api.PersistentVolume{
		{
			ObjectMeta: api.ObjectMeta{
				UID:  "gce-pd-10",
				Name: "gce003",
			},
			Spec: api.PersistentVolumeSpec{
				Capacity: api.ResourceList{
					api.ResourceName(api.ResourceStorage): resource.MustParse("10G"),
				},
				PersistentVolumeSource: api.PersistentVolumeSource{
					GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{
						PDName: "gce123123123",
						FSType: "foo",
					},
				},
				AccessModes: []api.PersistentVolumeAccessMode{
					api.ReadWriteOnce,
					api.ReadOnlyMany,
				},
			},
		},
		{
			ObjectMeta: api.ObjectMeta{
				UID:  "nfs-5",
				Name: "nfs002",
			},
			Spec: api.PersistentVolumeSpec{
				Capacity: api.ResourceList{
					api.ResourceName(api.ResourceStorage): resource.MustParse("5G"),
				},
				PersistentVolumeSource: api.PersistentVolumeSource{
					Glusterfs: &api.GlusterfsVolumeSource{
						EndpointsName: "andintheend",
						Path:          "theloveyoutakeisequaltotheloveyoumake",
					},
				},
				AccessModes: []api.PersistentVolumeAccessMode{
					api.ReadWriteOnce,
					api.ReadOnlyMany,
					api.ReadWriteMany,
				},
			},
		},
	}
}
func createTestClaims() []*api.PersistentVolumeClaim {
	return []*api.PersistentVolumeClaim{
		{
			ObjectMeta: api.ObjectMeta{
				Name:      "claim03",
				Namespace: api.NamespaceDefault,
			},
			Spec: api.PersistentVolumeClaimSpec{
				AccessModes: []api.PersistentVolumeAccessMode{api.ReadWriteOnce},
				Resources: api.ResourceRequirements{
					Requests: api.ResourceList{
						api.ResourceName(api.ResourceStorage): resource.MustParse("500G"),
					},
				},
			},
		},
		{
			ObjectMeta: api.ObjectMeta{
				Name:      "claim01",
				Namespace: api.NamespaceDefault,
			},
			Spec: api.PersistentVolumeClaimSpec{
				AccessModes: []api.PersistentVolumeAccessMode{api.ReadOnlyMany, api.ReadWriteOnce},
				Resources: api.ResourceRequirements{
					Requests: api.ResourceList{
						api.ResourceName(api.ResourceStorage): resource.MustParse("8G"),
					},
				},
			},
		},
		{
			ObjectMeta: api.ObjectMeta{
				Name:      "claim02",
				Namespace: api.NamespaceDefault,
			},
			Spec: api.PersistentVolumeClaimSpec{
				AccessModes: []api.PersistentVolumeAccessMode{api.ReadOnlyMany, api.ReadWriteOnce, api.ReadWriteMany},
				Resources: api.ResourceRequirements{
					Requests: api.ResourceList{
						api.ResourceName(api.ResourceStorage): resource.MustParse("5G"),
					},
				},
			},
		},
	}
}
Beispiel #6
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// FindByAccessModesAndStorageCapacity is a convenience method that calls Find w/ requisite matchPredicate for storage
func (pvIndex *persistentVolumeOrderedIndex) FindByAccessModesAndStorageCapacity(modes []api.PersistentVolumeAccessMode, qty resource.Quantity) (*api.PersistentVolume, error) {
	pv := &api.PersistentVolume{
		Spec: api.PersistentVolumeSpec{
			AccessModes: modes,
			Capacity: api.ResourceList{
				api.ResourceName(api.ResourceStorage): qty,
			},
		},
	}
	return pvIndex.Find(pv, matchStorageCapacity)
}
Beispiel #7
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func TestEtcdUpdateStatus(t *testing.T) {
	storage, statusStorage, fakeClient, helper := newStorage(t)
	ctx := api.NewDefaultContext()
	fakeClient.TestIndex = true

	key, _ := storage.KeyFunc(ctx, "foo")
	key = etcdtest.AddPrefix(key)
	pvcStart := validNewPersistentVolumeClaim("foo", api.NamespaceDefault)
	fakeClient.Set(key, runtime.EncodeOrDie(latest.Codec, pvcStart), 1)

	pvc := &api.PersistentVolumeClaim{
		ObjectMeta: api.ObjectMeta{
			Name:            "foo",
			Namespace:       api.NamespaceDefault,
			ResourceVersion: "1",
		},
		Spec: api.PersistentVolumeClaimSpec{
			AccessModes: []api.PersistentVolumeAccessMode{api.ReadWriteOnce},
			Resources: api.ResourceRequirements{
				Requests: api.ResourceList{
					api.ResourceName(api.ResourceStorage): resource.MustParse("3Gi"),
				},
			},
		},
		Status: api.PersistentVolumeClaimStatus{
			Phase: api.ClaimBound,
		},
	}

	expected := *pvcStart
	expected.ResourceVersion = "2"
	expected.Labels = pvc.Labels
	expected.Status = pvc.Status

	_, _, err := statusStorage.Update(ctx, pvc)
	if err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	var pvcOut api.PersistentVolumeClaim
	key, _ = storage.KeyFunc(ctx, "foo")
	if err := helper.ExtractObj(key, &pvcOut, false); err != nil {
		t.Fatalf("Unexpected error: %v", err)
	}
	if !api.Semantic.DeepEqual(expected, pvcOut) {
		t.Errorf("unexpected object: %s", util.ObjectDiff(expected, pvcOut))
	}
}
Beispiel #8
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func validNewPersistentVolumeClaim(name, ns string) *api.PersistentVolumeClaim {
	pv := &api.PersistentVolumeClaim{
		ObjectMeta: api.ObjectMeta{
			Name:      name,
			Namespace: ns,
		},
		Spec: api.PersistentVolumeClaimSpec{
			AccessModes: []api.PersistentVolumeAccessMode{api.ReadWriteOnce},
			Resources: api.ResourceRequirements{
				Requests: api.ResourceList{
					api.ResourceName(api.ResourceStorage): resource.MustParse("10G"),
				},
			},
		},
		Status: api.PersistentVolumeClaimStatus{
			Phase: api.ClaimPending,
		},
	}
	return pv
}
func makePersistentVolumeClaim(ns string) *api.PersistentVolumeClaim {
	return &api.PersistentVolumeClaim{
		ObjectMeta: api.ObjectMeta{
			GenerateName: "pvc-",
			Namespace:    ns,
		},
		Spec: api.PersistentVolumeClaimSpec{
			AccessModes: []api.PersistentVolumeAccessMode{
				api.ReadWriteOnce,
				api.ReadOnlyMany,
				api.ReadWriteMany,
			},
			Resources: api.ResourceRequirements{
				Requests: api.ResourceList{
					api.ResourceName(api.ResourceStorage): resource.MustParse("1Gi"),
				},
			},
		},
	}
}
Beispiel #10
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func validNewPersistentVolume(name string) *api.PersistentVolume {
	pv := &api.PersistentVolume{
		ObjectMeta: api.ObjectMeta{
			Name: name,
		},
		Spec: api.PersistentVolumeSpec{
			Capacity: api.ResourceList{
				api.ResourceName(api.ResourceStorage): resource.MustParse("10G"),
			},
			AccessModes: []api.PersistentVolumeAccessMode{api.ReadWriteOnce},
			PersistentVolumeSource: api.PersistentVolumeSource{
				HostPath: &api.HostPathVolumeSource{Path: "/foo"},
			},
			PersistentVolumeReclaimPolicy: api.PersistentVolumeReclaimRetain,
		},
		Status: api.PersistentVolumeStatus{
			Phase:   api.VolumePending,
			Message: "bar",
			Reason:  "foo",
		},
	}
	return pv
}
Beispiel #11
0
func TestDescribeContainers(t *testing.T) {
	testCases := []struct {
		container        api.Container
		status           api.ContainerStatus
		expectedElements []string
	}{
		// Running state.
		{
			container: api.Container{Name: "test", Image: "image"},
			status: api.ContainerStatus{
				Name: "test",
				State: api.ContainerState{
					Running: &api.ContainerStateRunning{
						StartedAt: util.NewTime(time.Now()),
					},
				},
				Ready:        true,
				RestartCount: 7,
			},
			expectedElements: []string{"test", "State", "Running", "Ready", "True", "Restart Count", "7", "Image", "image", "Started"},
		},
		// Waiting state.
		{
			container: api.Container{Name: "test", Image: "image"},
			status: api.ContainerStatus{
				Name: "test",
				State: api.ContainerState{
					Waiting: &api.ContainerStateWaiting{
						Reason: "potato",
					},
				},
				Ready:        true,
				RestartCount: 7,
			},
			expectedElements: []string{"test", "State", "Waiting", "Ready", "True", "Restart Count", "7", "Image", "image", "Reason", "potato"},
		},
		// Terminated state.
		{
			container: api.Container{Name: "test", Image: "image"},
			status: api.ContainerStatus{
				Name: "test",
				State: api.ContainerState{
					Terminated: &api.ContainerStateTerminated{
						StartedAt:  util.NewTime(time.Now()),
						FinishedAt: util.NewTime(time.Now()),
						Reason:     "potato",
						ExitCode:   2,
					},
				},
				Ready:        true,
				RestartCount: 7,
			},
			expectedElements: []string{"test", "State", "Terminated", "Ready", "True", "Restart Count", "7", "Image", "image", "Reason", "potato", "Started", "Finished", "Exit Code", "2"},
		},
		// No state defaults to waiting.
		{
			container: api.Container{Name: "test", Image: "image"},
			status: api.ContainerStatus{
				Name:         "test",
				Ready:        true,
				RestartCount: 7,
			},
			expectedElements: []string{"test", "State", "Waiting", "Ready", "True", "Restart Count", "7", "Image", "image"},
		},
		// Using limits.
		{
			container: api.Container{
				Name:  "test",
				Image: "image",
				Resources: api.ResourceRequirements{
					Limits: api.ResourceList{
						api.ResourceName(api.ResourceCPU):     resource.MustParse("1000"),
						api.ResourceName(api.ResourceMemory):  resource.MustParse("4G"),
						api.ResourceName(api.ResourceStorage): resource.MustParse("20G"),
					},
				},
			},
			status: api.ContainerStatus{
				Name:         "test",
				Ready:        true,
				RestartCount: 7,
			},
			expectedElements: []string{"cpu", "1k", "memory", "4G", "storage", "20G"},
		},
	}

	for i, testCase := range testCases {
		out := new(bytes.Buffer)
		pod := api.Pod{
			Spec: api.PodSpec{
				Containers: []api.Container{testCase.container},
			},
			Status: api.PodStatus{
				ContainerStatuses: []api.ContainerStatus{testCase.status},
			},
		}
		describeContainers(&pod, out)
		output := out.String()
		for _, expected := range testCase.expectedElements {
			if !strings.Contains(output, expected) {
				t.Errorf("Test case %d: expected to find %q in output: %q", i, expected, output)
			}
		}
	}
}
Beispiel #12
0
// FindBestMatchForClaim is a convenience method that finds a volume by the claim's AccessModes and requests for Storage
func (pvIndex *persistentVolumeOrderedIndex) FindBestMatchForClaim(claim *api.PersistentVolumeClaim) (*api.PersistentVolume, error) {
	return pvIndex.FindByAccessModesAndStorageCapacity(claim.Spec.AccessModes, claim.Spec.Resources.Requests[api.ResourceName(api.ResourceStorage)])
}
func TestMonitorNodeStatusUpdateStatus(t *testing.T) {
	fakeNow := util.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC)
	table := []struct {
		fakeNodeHandler      *FakeNodeHandler
		timeToPass           time.Duration
		newNodeStatus        api.NodeStatus
		expectedEvictPods    bool
		expectedRequestCount int
		expectedNodes        []*api.Node
	}{
		// Node created long time ago, without status:
		// Expect Unknown status posted from node controller.
		{
			fakeNodeHandler: &FakeNodeHandler{
				Existing: []*api.Node{
					{
						ObjectMeta: api.ObjectMeta{
							Name:              "node0",
							CreationTimestamp: util.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
						},
					},
				},
				Fake: testclient.NewSimpleFake(&api.PodList{Items: []api.Pod{*newPod("pod0", "node0")}}),
			},
			expectedRequestCount: 2, // List+Update
			expectedNodes: []*api.Node{
				{
					ObjectMeta: api.ObjectMeta{
						Name:              "node0",
						CreationTimestamp: util.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
					},
					Status: api.NodeStatus{
						Conditions: []api.NodeCondition{
							{
								Type:               api.NodeReady,
								Status:             api.ConditionUnknown,
								Reason:             fmt.Sprintf("Qinglet never posted node status."),
								LastHeartbeatTime:  util.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
								LastTransitionTime: fakeNow,
							},
						},
					},
				},
			},
		},
		// Node created recently, without status.
		// Expect no action from node controller (within startup grace period).
		{
			fakeNodeHandler: &FakeNodeHandler{
				Existing: []*api.Node{
					{
						ObjectMeta: api.ObjectMeta{
							Name:              "node0",
							CreationTimestamp: fakeNow,
						},
					},
				},
				Fake: testclient.NewSimpleFake(&api.PodList{Items: []api.Pod{*newPod("pod0", "node0")}}),
			},
			expectedRequestCount: 1, // List
			expectedNodes:        nil,
		},
		// Node created long time ago, with status updated by qinglet exceeds grace period.
		// Expect Unknown status posted from node controller.
		{
			fakeNodeHandler: &FakeNodeHandler{
				Existing: []*api.Node{
					{
						ObjectMeta: api.ObjectMeta{
							Name:              "node0",
							CreationTimestamp: util.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
						},
						Status: api.NodeStatus{
							Conditions: []api.NodeCondition{
								{
									Type:   api.NodeReady,
									Status: api.ConditionTrue,
									// Node status hasn't been updated for 1hr.
									LastHeartbeatTime:  util.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
									LastTransitionTime: util.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
								},
							},
							Capacity: api.ResourceList{
								api.ResourceName(api.ResourceCPU):    resource.MustParse("10"),
								api.ResourceName(api.ResourceMemory): resource.MustParse("10G"),
							},
						},
						Spec: api.NodeSpec{
							ExternalID: "node0",
						},
					},
				},
				Fake: testclient.NewSimpleFake(&api.PodList{Items: []api.Pod{*newPod("pod0", "node0")}}),
			},
			expectedRequestCount: 3, // (List+)List+Update
			timeToPass:           time.Hour,
			newNodeStatus: api.NodeStatus{
				Conditions: []api.NodeCondition{
					{
						Type:   api.NodeReady,
						Status: api.ConditionTrue,
						// Node status hasn't been updated for 1hr.
						LastHeartbeatTime:  util.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
						LastTransitionTime: util.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
					},
				},
				Capacity: api.ResourceList{
					api.ResourceName(api.ResourceCPU):    resource.MustParse("10"),
					api.ResourceName(api.ResourceMemory): resource.MustParse("10G"),
				},
			},
			expectedNodes: []*api.Node{
				{
					ObjectMeta: api.ObjectMeta{
						Name:              "node0",
						CreationTimestamp: util.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
					},
					Status: api.NodeStatus{
						Conditions: []api.NodeCondition{
							{
								Type:               api.NodeReady,
								Status:             api.ConditionUnknown,
								Reason:             fmt.Sprintf("Qinglet stopped posting node status."),
								LastHeartbeatTime:  util.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC),
								LastTransitionTime: util.Time{util.Date(2015, 1, 1, 12, 0, 0, 0, time.UTC).Add(time.Hour)},
							},
						},
						Capacity: api.ResourceList{
							api.ResourceName(api.ResourceCPU):    resource.MustParse("10"),
							api.ResourceName(api.ResourceMemory): resource.MustParse("10G"),
						},
					},
					Spec: api.NodeSpec{
						ExternalID: "node0",
					},
				},
			},
		},
		// Node created long time ago, with status updated recently.
		// Expect no action from node controller (within monitor grace period).
		{
			fakeNodeHandler: &FakeNodeHandler{
				Existing: []*api.Node{
					{
						ObjectMeta: api.ObjectMeta{
							Name:              "node0",
							CreationTimestamp: util.Date(2012, 1, 1, 0, 0, 0, 0, time.UTC),
						},
						Status: api.NodeStatus{
							Conditions: []api.NodeCondition{
								{
									Type:   api.NodeReady,
									Status: api.ConditionTrue,
									// Node status has just been updated.
									LastHeartbeatTime:  fakeNow,
									LastTransitionTime: fakeNow,
								},
							},
							Capacity: api.ResourceList{
								api.ResourceName(api.ResourceCPU):    resource.MustParse("10"),
								api.ResourceName(api.ResourceMemory): resource.MustParse("10G"),
							},
						},
						Spec: api.NodeSpec{
							ExternalID: "node0",
						},
					},
				},
				Fake: testclient.NewSimpleFake(&api.PodList{Items: []api.Pod{*newPod("pod0", "node0")}}),
			},
			expectedRequestCount: 1, // List
			expectedNodes:        nil,
		},
	}

	for _, item := range table {
		nodeController := NewNodeController(nil, item.fakeNodeHandler, 10, 5*time.Minute, NewPodEvictor(util.NewFakeRateLimiter()),
			testNodeMonitorGracePeriod, testNodeStartupGracePeriod, testNodeMonitorPeriod, nil, false)
		nodeController.now = func() util.Time { return fakeNow }
		if err := nodeController.monitorNodeStatus(); err != nil {
			t.Errorf("unexpected error: %v", err)
		}
		if item.timeToPass > 0 {
			nodeController.now = func() util.Time { return util.Time{Time: fakeNow.Add(item.timeToPass)} }
			item.fakeNodeHandler.Existing[0].Status = item.newNodeStatus
			if err := nodeController.monitorNodeStatus(); err != nil {
				t.Errorf("unexpected error: %v", err)
			}
		}
		if item.expectedRequestCount != item.fakeNodeHandler.RequestCount {
			t.Errorf("expected %v call, but got %v.", item.expectedRequestCount, item.fakeNodeHandler.RequestCount)
		}
		if len(item.fakeNodeHandler.UpdatedNodes) > 0 && !api.Semantic.DeepEqual(item.expectedNodes, item.fakeNodeHandler.UpdatedNodes) {
			t.Errorf("expected nodes %+v, got %+v", item.expectedNodes[0],
				item.fakeNodeHandler.UpdatedNodes[0])
		}
	}
}
func TestExampleObjects(t *testing.T) {
	scenarios := map[string]struct {
		expected interface{}
	}{
		"claims/claim-01.yaml": {
			expected: &api.PersistentVolumeClaim{
				Spec: api.PersistentVolumeClaimSpec{
					AccessModes: []api.PersistentVolumeAccessMode{api.ReadWriteOnce},
					Resources: api.ResourceRequirements{
						Requests: api.ResourceList{
							api.ResourceName(api.ResourceStorage): resource.MustParse("3Gi"),
						},
					},
				},
			},
		},
		"claims/claim-02.yaml": {
			expected: &api.PersistentVolumeClaim{
				Spec: api.PersistentVolumeClaimSpec{
					AccessModes: []api.PersistentVolumeAccessMode{api.ReadWriteOnce},
					Resources: api.ResourceRequirements{
						Requests: api.ResourceList{
							api.ResourceName(api.ResourceStorage): resource.MustParse("8Gi"),
						},
					},
				},
			},
		},
		"volumes/local-01.yaml": {
			expected: &api.PersistentVolume{
				Spec: api.PersistentVolumeSpec{
					AccessModes: []api.PersistentVolumeAccessMode{api.ReadWriteOnce},
					Capacity: api.ResourceList{
						api.ResourceName(api.ResourceStorage): resource.MustParse("10Gi"),
					},
					PersistentVolumeSource: api.PersistentVolumeSource{
						HostPath: &api.HostPathVolumeSource{
							Path: "/tmp/data01",
						},
					},
				},
			},
		},
		"volumes/local-02.yaml": {
			expected: &api.PersistentVolume{
				Spec: api.PersistentVolumeSpec{
					AccessModes: []api.PersistentVolumeAccessMode{api.ReadWriteOnce},
					Capacity: api.ResourceList{
						api.ResourceName(api.ResourceStorage): resource.MustParse("8Gi"),
					},
					PersistentVolumeSource: api.PersistentVolumeSource{
						HostPath: &api.HostPathVolumeSource{
							Path: "/tmp/data02",
						},
					},
					PersistentVolumeReclaimPolicy: api.PersistentVolumeReclaimRecycle,
				},
			},
		},
	}

	for name, scenario := range scenarios {
		o := testclient.NewObjects(api.Scheme, api.Scheme)
		if err := testclient.AddObjectsFromPath("../../examples/persistent-volumes/"+name, o, api.Scheme); err != nil {
			t.Fatal(err)
		}

		client := &testclient.Fake{ReactFn: testclient.ObjectReaction(o, latest.RESTMapper)}

		if reflect.TypeOf(scenario.expected) == reflect.TypeOf(&api.PersistentVolumeClaim{}) {
			pvc, err := client.PersistentVolumeClaims("ns").Get("doesntmatter")
			if err != nil {
				t.Errorf("Error retrieving object: %v", err)
			}

			expected := scenario.expected.(*api.PersistentVolumeClaim)
			if pvc.Spec.AccessModes[0] != expected.Spec.AccessModes[0] {
				t.Errorf("Unexpected mismatch.  Got %v wanted %v", pvc.Spec.AccessModes[0], expected.Spec.AccessModes[0])
			}

			aQty := pvc.Spec.Resources.Requests[api.ResourceStorage]
			bQty := expected.Spec.Resources.Requests[api.ResourceStorage]
			aSize := aQty.Value()
			bSize := bQty.Value()

			if aSize != bSize {
				t.Errorf("Unexpected mismatch.  Got %v wanted %v", aSize, bSize)
			}
		}

		if reflect.TypeOf(scenario.expected) == reflect.TypeOf(&api.PersistentVolume{}) {
			pv, err := client.PersistentVolumes().Get("doesntmatter")
			if err != nil {
				t.Errorf("Error retrieving object: %v", err)
			}

			expected := scenario.expected.(*api.PersistentVolume)
			if pv.Spec.AccessModes[0] != expected.Spec.AccessModes[0] {
				t.Errorf("Unexpected mismatch.  Got %v wanted %v", pv.Spec.AccessModes[0], expected.Spec.AccessModes[0])
			}

			aQty := pv.Spec.Capacity[api.ResourceStorage]
			bQty := expected.Spec.Capacity[api.ResourceStorage]
			aSize := aQty.Value()
			bSize := bQty.Value()

			if aSize != bSize {
				t.Errorf("Unexpected mismatch.  Got %v wanted %v", aSize, bSize)
			}

			if pv.Spec.HostPath.Path != expected.Spec.HostPath.Path {
				t.Errorf("Unexpected mismatch.  Got %v wanted %v", pv.Spec.HostPath.Path, expected.Spec.HostPath.Path)
			}
		}
	}
}
func TestMatchVolume(t *testing.T) {
	volList := NewPersistentVolumeOrderedIndex()
	for _, pv := range createTestVolumes() {
		volList.Add(pv)
	}

	scenarios := map[string]struct {
		expectedMatch string
		claim         *api.PersistentVolumeClaim
	}{
		"successful-match-gce-10": {
			expectedMatch: "gce-pd-10",
			claim: &api.PersistentVolumeClaim{
				ObjectMeta: api.ObjectMeta{
					Name:      "claim01",
					Namespace: "myns",
				},
				Spec: api.PersistentVolumeClaimSpec{
					AccessModes: []api.PersistentVolumeAccessMode{api.ReadOnlyMany, api.ReadWriteOnce},
					Resources: api.ResourceRequirements{
						Requests: api.ResourceList{
							api.ResourceName(api.ResourceStorage): resource.MustParse("8G"),
						},
					},
				},
			},
		},
		"successful-match-nfs-5": {
			expectedMatch: "nfs-5",
			claim: &api.PersistentVolumeClaim{
				ObjectMeta: api.ObjectMeta{
					Name:      "claim01",
					Namespace: "myns",
				},
				Spec: api.PersistentVolumeClaimSpec{
					AccessModes: []api.PersistentVolumeAccessMode{api.ReadOnlyMany, api.ReadWriteOnce, api.ReadWriteMany},
					Resources: api.ResourceRequirements{
						Requests: api.ResourceList{
							api.ResourceName(api.ResourceStorage): resource.MustParse("5G"),
						},
					},
				},
			},
		},
		"successful-skip-1g-bound-volume": {
			expectedMatch: "gce-pd-5",
			claim: &api.PersistentVolumeClaim{
				ObjectMeta: api.ObjectMeta{
					Name:      "claim01",
					Namespace: "myns",
				},
				Spec: api.PersistentVolumeClaimSpec{
					AccessModes: []api.PersistentVolumeAccessMode{api.ReadOnlyMany, api.ReadWriteOnce},
					Resources: api.ResourceRequirements{
						Requests: api.ResourceList{
							api.ResourceName(api.ResourceStorage): resource.MustParse("1G"),
						},
					},
				},
			},
		},
		"successful-no-match": {
			expectedMatch: "",
			claim: &api.PersistentVolumeClaim{
				ObjectMeta: api.ObjectMeta{
					Name:      "claim01",
					Namespace: "myns",
				},
				Spec: api.PersistentVolumeClaimSpec{
					AccessModes: []api.PersistentVolumeAccessMode{api.ReadOnlyMany, api.ReadWriteOnce},
					Resources: api.ResourceRequirements{
						Requests: api.ResourceList{
							api.ResourceName(api.ResourceStorage): resource.MustParse("999G"),
						},
					},
				},
			},
		},
	}

	for name, scenario := range scenarios {
		volume, err := volList.FindBestMatchForClaim(scenario.claim)
		if err != nil {
			t.Errorf("Unexpected error matching volume by claim: %v", err)
		}
		if scenario.expectedMatch != "" && volume == nil {
			t.Errorf("Expected match but received nil volume for scenario: %s", name)
		}
		if scenario.expectedMatch != "" && volume != nil && string(volume.UID) != scenario.expectedMatch {
			t.Errorf("Expected %s but got volume %s in scenario %s", scenario.expectedMatch, volume.UID, name)
		}
		if scenario.expectedMatch == "" && volume != nil {
			t.Errorf("Unexpected match for scenario: %s", name)
		}
	}
}
func createTestVolumes() []*api.PersistentVolume {
	// these volumes are deliberately out-of-order to test indexing and sorting
	return []*api.PersistentVolume{
		{
			ObjectMeta: api.ObjectMeta{
				UID:  "gce-pd-10",
				Name: "gce003",
			},
			Spec: api.PersistentVolumeSpec{
				Capacity: api.ResourceList{
					api.ResourceName(api.ResourceStorage): resource.MustParse("10G"),
				},
				PersistentVolumeSource: api.PersistentVolumeSource{
					GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{},
				},
				AccessModes: []api.PersistentVolumeAccessMode{
					api.ReadWriteOnce,
					api.ReadOnlyMany,
				},
			},
		},
		{
			ObjectMeta: api.ObjectMeta{
				UID:  "gce-pd-20",
				Name: "gce004",
			},
			Spec: api.PersistentVolumeSpec{
				Capacity: api.ResourceList{
					api.ResourceName(api.ResourceStorage): resource.MustParse("20G"),
				},
				PersistentVolumeSource: api.PersistentVolumeSource{
					GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{},
				},
				AccessModes: []api.PersistentVolumeAccessMode{
					api.ReadWriteOnce,
					api.ReadOnlyMany,
				},
				// this one we're pretending is already bound
				ClaimRef: &api.ObjectReference{UID: "def456"},
			},
		},
		{
			ObjectMeta: api.ObjectMeta{
				UID:  "nfs-5",
				Name: "nfs002",
			},
			Spec: api.PersistentVolumeSpec{
				Capacity: api.ResourceList{
					api.ResourceName(api.ResourceStorage): resource.MustParse("5G"),
				},
				PersistentVolumeSource: api.PersistentVolumeSource{
					Glusterfs: &api.GlusterfsVolumeSource{},
				},
				AccessModes: []api.PersistentVolumeAccessMode{
					api.ReadWriteOnce,
					api.ReadOnlyMany,
					api.ReadWriteMany,
				},
			},
		},
		{
			ObjectMeta: api.ObjectMeta{
				UID:  "gce-pd-1",
				Name: "gce001",
			},
			Spec: api.PersistentVolumeSpec{
				Capacity: api.ResourceList{
					api.ResourceName(api.ResourceStorage): resource.MustParse("1G"),
				},
				PersistentVolumeSource: api.PersistentVolumeSource{
					GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{},
				},
				AccessModes: []api.PersistentVolumeAccessMode{
					api.ReadWriteOnce,
					api.ReadOnlyMany,
				},
				// this one we're pretending is already bound
				ClaimRef: &api.ObjectReference{UID: "abc123"},
			},
		},
		{
			ObjectMeta: api.ObjectMeta{
				UID:  "nfs-10",
				Name: "nfs003",
			},
			Spec: api.PersistentVolumeSpec{
				Capacity: api.ResourceList{
					api.ResourceName(api.ResourceStorage): resource.MustParse("10G"),
				},
				PersistentVolumeSource: api.PersistentVolumeSource{
					Glusterfs: &api.GlusterfsVolumeSource{},
				},
				AccessModes: []api.PersistentVolumeAccessMode{
					api.ReadWriteOnce,
					api.ReadOnlyMany,
					api.ReadWriteMany,
				},
			},
		},
		{
			ObjectMeta: api.ObjectMeta{
				UID:  "gce-pd-5",
				Name: "gce002",
			},
			Spec: api.PersistentVolumeSpec{
				Capacity: api.ResourceList{
					api.ResourceName(api.ResourceStorage): resource.MustParse("5G"),
				},
				PersistentVolumeSource: api.PersistentVolumeSource{
					GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{},
				},
				AccessModes: []api.PersistentVolumeAccessMode{
					api.ReadWriteOnce,
					api.ReadOnlyMany,
				},
			},
		},
		{
			ObjectMeta: api.ObjectMeta{
				UID:  "nfs-1",
				Name: "nfs001",
			},
			Spec: api.PersistentVolumeSpec{
				Capacity: api.ResourceList{
					api.ResourceName(api.ResourceStorage): resource.MustParse("1G"),
				},
				PersistentVolumeSource: api.PersistentVolumeSource{
					Glusterfs: &api.GlusterfsVolumeSource{},
				},
				AccessModes: []api.PersistentVolumeAccessMode{
					api.ReadWriteOnce,
					api.ReadOnlyMany,
					api.ReadWriteMany,
				},
			},
		},
	}
}
func TestMatchingWithBoundVolumes(t *testing.T) {
	volumeIndex := NewPersistentVolumeOrderedIndex()
	// two similar volumes, one is bound
	pv1 := &api.PersistentVolume{
		ObjectMeta: api.ObjectMeta{
			UID:  "gce-pd-1",
			Name: "gce001",
		},
		Spec: api.PersistentVolumeSpec{
			Capacity: api.ResourceList{
				api.ResourceName(api.ResourceStorage): resource.MustParse("1G"),
			},
			PersistentVolumeSource: api.PersistentVolumeSource{
				GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{},
			},
			AccessModes: []api.PersistentVolumeAccessMode{api.ReadWriteOnce, api.ReadOnlyMany},
			// this one we're pretending is already bound
			ClaimRef: &api.ObjectReference{UID: "abc123"},
		},
	}

	pv2 := &api.PersistentVolume{
		ObjectMeta: api.ObjectMeta{
			UID:  "gce-pd-2",
			Name: "gce002",
		},
		Spec: api.PersistentVolumeSpec{
			Capacity: api.ResourceList{
				api.ResourceName(api.ResourceStorage): resource.MustParse("1G"),
			},
			PersistentVolumeSource: api.PersistentVolumeSource{
				GCEPersistentDisk: &api.GCEPersistentDiskVolumeSource{},
			},
			AccessModes: []api.PersistentVolumeAccessMode{api.ReadWriteOnce, api.ReadOnlyMany},
		},
	}

	volumeIndex.Add(pv1)
	volumeIndex.Add(pv2)

	claim := &api.PersistentVolumeClaim{
		ObjectMeta: api.ObjectMeta{
			Name:      "claim01",
			Namespace: "myns",
		},
		Spec: api.PersistentVolumeClaimSpec{
			AccessModes: []api.PersistentVolumeAccessMode{api.ReadOnlyMany, api.ReadWriteOnce},
			Resources: api.ResourceRequirements{
				Requests: api.ResourceList{
					api.ResourceName(api.ResourceStorage): resource.MustParse("1G"),
				},
			},
		},
	}

	volume, err := volumeIndex.FindBestMatchForClaim(claim)
	if err != nil {
		t.Fatalf("Unexpected error matching volume by claim: %v", err)
	}
	if volume == nil {
		t.Fatalf("Unexpected nil volume.  Expected %s", pv2.Name)
	}
	if pv2.Name != volume.Name {
		t.Errorf("Expected %s but got volume %s instead", pv2.Name, volume.Name)
	}
}