示例#1
0
文件: service.go 项目: maxim28/docker
// CreateService creates and return a Service based on the provided ServiceSpec.
// - Returns `InvalidArgument` if the ServiceSpec is malformed.
// - Returns `Unimplemented` if the ServiceSpec references unimplemented features.
// - Returns `AlreadyExists` if the ServiceID conflicts.
// - Returns an error if the creation fails.
func (s *Server) CreateService(ctx context.Context, request *api.CreateServiceRequest) (*api.CreateServiceResponse, error) {
	if err := validateServiceSpec(request.Spec); err != nil {
		return nil, err
	}

	if err := s.checkPortConflicts(request.Spec, ""); err != nil {
		return nil, err
	}

	// TODO(aluzzardi): Consider using `Name` as a primary key to handle
	// duplicate creations. See #65
	service := &api.Service{
		ID:   identity.NewID(),
		Spec: *request.Spec,
	}

	err := s.store.Update(func(tx store.Tx) error {
		return store.CreateService(tx, service)
	})
	if err != nil {
		return nil, err
	}

	return &api.CreateServiceResponse{
		Service: service,
	}, nil
}
示例#2
0
// CreateService creates and return a Service based on the provided ServiceSpec.
// - Returns `InvalidArgument` if the ServiceSpec is malformed.
// - Returns `Unimplemented` if the ServiceSpec references unimplemented features.
// - Returns `AlreadyExists` if the ServiceID conflicts.
// - Returns an error if the creation fails.
func (s *Server) CreateService(ctx context.Context, request *api.CreateServiceRequest) (*api.CreateServiceResponse, error) {
	if err := validateServiceSpec(request.Spec); err != nil {
		return nil, err
	}

	if err := s.validateNetworks(request.Spec.Networks); err != nil {
		return nil, err
	}

	if err := s.checkPortConflicts(request.Spec, ""); err != nil {
		return nil, err
	}

	// TODO(aluzzardi): Consider using `Name` as a primary key to handle
	// duplicate creations. See #65
	service := &api.Service{
		ID:   identity.NewID(),
		Spec: *request.Spec,
	}

	err := s.store.Update(func(tx store.Tx) error {
		// Check to see if all the secrets being added exist as objects
		// in our datastore
		err := s.checkSecretExistence(tx, request.Spec)
		if err != nil {
			return err
		}

		return store.CreateService(tx, service)
	})
	if err != nil {
		return nil, err
	}

	return &api.CreateServiceResponse{
		Service: service,
	}, nil
}
示例#3
0
func TestUpdater(t *testing.T) {
	ctx := context.Background()
	s := store.NewMemoryStore(nil)
	assert.NotNil(t, s)

	// Move tasks to their desired state.
	watch, cancel := state.Watch(s.WatchQueue(), state.EventUpdateTask{})
	defer cancel()
	go func() {
		for {
			select {
			case e := <-watch:
				task := e.(state.EventUpdateTask).Task
				if task.Status.State == task.DesiredState {
					continue
				}
				err := s.Update(func(tx store.Tx) error {
					task = store.GetTask(tx, task.ID)
					task.Status.State = task.DesiredState
					return store.UpdateTask(tx, task)
				})
				assert.NoError(t, err)
			}
		}
	}()

	instances := 3
	cluster := &api.Cluster{
		// test cluster configuration propagation to task creation.
		Spec: api.ClusterSpec{
			Annotations: api.Annotations{
				Name: "default",
			},
		},
	}

	service := &api.Service{
		ID: "id1",
		Spec: api.ServiceSpec{
			Annotations: api.Annotations{
				Name: "name1",
			},
			Mode: &api.ServiceSpec_Replicated{
				Replicated: &api.ReplicatedService{
					Replicas: uint64(instances),
				},
			},
			Task: api.TaskSpec{
				Runtime: &api.TaskSpec_Container{
					Container: &api.ContainerSpec{
						Image: "v:1",
						// This won't apply in this test because we set the old tasks to DEAD.
						StopGracePeriod: ptypes.DurationProto(time.Hour),
					},
				},
			},
		},
	}

	err := s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.CreateCluster(tx, cluster))
		assert.NoError(t, store.CreateService(tx, service))
		for i := 0; i < instances; i++ {
			assert.NoError(t, store.CreateTask(tx, newTask(cluster, service, uint64(i))))
		}
		return nil
	})
	assert.NoError(t, err)

	originalTasks := getRunnableServiceTasks(t, s, service)
	for _, task := range originalTasks {
		assert.Equal(t, "v:1", task.Spec.GetContainer().Image)
		assert.Nil(t, task.LogDriver) // should be left alone
	}

	service.Spec.Task.GetContainer().Image = "v:2"
	service.Spec.Task.LogDriver = &api.Driver{Name: "tasklogdriver"}
	updater := NewUpdater(s, NewRestartSupervisor(s))
	updater.Run(ctx, cluster, service, getRunnableServiceTasks(t, s, service))
	updatedTasks := getRunnableServiceTasks(t, s, service)
	for _, task := range updatedTasks {
		assert.Equal(t, "v:2", task.Spec.GetContainer().Image)
		assert.Equal(t, service.Spec.Task.LogDriver, task.LogDriver) // pick up from task
	}

	service.Spec.Task.GetContainer().Image = "v:3"
	cluster.Spec.DefaultLogDriver = &api.Driver{Name: "clusterlogdriver"} // make cluster default logdriver.
	service.Spec.Update = &api.UpdateConfig{
		Parallelism: 1,
	}
	updater = NewUpdater(s, NewRestartSupervisor(s))
	updater.Run(ctx, cluster, service, getRunnableServiceTasks(t, s, service))
	updatedTasks = getRunnableServiceTasks(t, s, service)
	for _, task := range updatedTasks {
		assert.Equal(t, "v:3", task.Spec.GetContainer().Image)
		assert.Equal(t, service.Spec.Task.LogDriver, task.LogDriver) // still pick up from task
	}

	service.Spec.Task.GetContainer().Image = "v:4"
	service.Spec.Task.LogDriver = nil // use cluster default now.
	service.Spec.Update = &api.UpdateConfig{
		Parallelism: 1,
		Delay:       *ptypes.DurationProto(10 * time.Millisecond),
	}
	updater = NewUpdater(s, NewRestartSupervisor(s))
	updater.Run(ctx, cluster, service, getRunnableServiceTasks(t, s, service))
	updatedTasks = getRunnableServiceTasks(t, s, service)
	for _, task := range updatedTasks {
		assert.Equal(t, "v:4", task.Spec.GetContainer().Image)
		assert.Equal(t, cluster.Spec.DefaultLogDriver, task.LogDriver) // pick up from cluster
	}
}
示例#4
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func TestUpdaterStopGracePeriod(t *testing.T) {
	ctx := context.Background()
	s := store.NewMemoryStore(nil)
	assert.NotNil(t, s)

	// Move tasks to their desired state.
	watch, cancel := state.Watch(s.WatchQueue(), state.EventUpdateTask{})
	defer cancel()
	go func() {
		for {
			select {
			case e := <-watch:
				task := e.(state.EventUpdateTask).Task
				err := s.Update(func(tx store.Tx) error {
					task = store.GetTask(tx, task.ID)
					// Explicitly do not set task state to
					// DEAD to trigger StopGracePeriod
					if task.DesiredState == api.TaskStateRunning && task.Status.State != api.TaskStateRunning {
						task.Status.State = api.TaskStateRunning
						return store.UpdateTask(tx, task)
					}
					return nil
				})
				assert.NoError(t, err)
			}
		}
	}()

	var instances uint64 = 3
	service := &api.Service{
		ID: "id1",
		Spec: api.ServiceSpec{
			Annotations: api.Annotations{
				Name: "name1",
			},
			Task: api.TaskSpec{
				Runtime: &api.TaskSpec_Container{
					Container: &api.ContainerSpec{
						Image:           "v:1",
						StopGracePeriod: ptypes.DurationProto(100 * time.Millisecond),
					},
				},
			},
			Mode: &api.ServiceSpec_Replicated{
				Replicated: &api.ReplicatedService{
					Replicas: instances,
				},
			},
		},
	}

	err := s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.CreateService(tx, service))
		for i := uint64(0); i < instances; i++ {
			task := newTask(nil, service, uint64(i))
			task.Status.State = api.TaskStateRunning
			assert.NoError(t, store.CreateTask(tx, task))
		}
		return nil
	})
	assert.NoError(t, err)

	originalTasks := getRunnableServiceTasks(t, s, service)
	for _, task := range originalTasks {
		assert.Equal(t, "v:1", task.Spec.GetContainer().Image)
	}

	before := time.Now()

	service.Spec.Task.GetContainer().Image = "v:2"
	updater := NewUpdater(s, NewRestartSupervisor(s))
	// Override the default (1 minute) to speed up the test.
	updater.restarts.taskTimeout = 100 * time.Millisecond
	updater.Run(ctx, nil, service, getRunnableServiceTasks(t, s, service))
	updatedTasks := getRunnableServiceTasks(t, s, service)
	for _, task := range updatedTasks {
		assert.Equal(t, "v:2", task.Spec.GetContainer().Image)
	}

	after := time.Now()

	// At least 100 ms should have elapsed. Only check the lower bound,
	// because the system may be slow and it could have taken longer.
	if after.Sub(before) < 100*time.Millisecond {
		t.Fatal("stop timeout should have elapsed")
	}
}
示例#5
0
func addService(t *testing.T, s *store.MemoryStore, service *api.Service) {
	s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.CreateService(tx, service))
		return nil
	})
}
示例#6
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func TestTaskHistory(t *testing.T) {
	ctx := context.Background()
	s := store.NewMemoryStore(nil)
	assert.NotNil(t, s)

	assert.NoError(t, s.Update(func(tx store.Tx) error {
		store.CreateCluster(tx, &api.Cluster{
			ID: identity.NewID(),
			Spec: api.ClusterSpec{
				Annotations: api.Annotations{
					Name: store.DefaultClusterName,
				},
				Orchestration: api.OrchestrationConfig{
					TaskHistoryRetentionLimit: 2,
				},
			},
		})
		return nil
	}))

	taskReaper := NewTaskReaper(s)
	defer taskReaper.Stop()
	orchestrator := NewReplicatedOrchestrator(s)
	defer orchestrator.Stop()

	watch, cancel := state.Watch(s.WatchQueue() /*state.EventCreateTask{}, state.EventUpdateTask{}*/)
	defer cancel()

	// Create a service with two instances specified before the orchestrator is
	// started. This should result in two tasks when the orchestrator
	// starts up.
	err := s.Update(func(tx store.Tx) error {
		j1 := &api.Service{
			ID: "id1",
			Spec: api.ServiceSpec{
				Annotations: api.Annotations{
					Name: "name1",
				},
				Mode: &api.ServiceSpec_Replicated{
					Replicated: &api.ReplicatedService{
						Replicas: 2,
					},
				},
				Task: api.TaskSpec{
					Restart: &api.RestartPolicy{
						Condition: api.RestartOnAny,
						Delay:     ptypes.DurationProto(0),
					},
				},
			},
		}
		assert.NoError(t, store.CreateService(tx, j1))
		return nil
	})
	assert.NoError(t, err)

	// Start the orchestrator.
	go func() {
		assert.NoError(t, orchestrator.Run(ctx))
	}()
	go taskReaper.Run()

	observedTask1 := watchTaskCreate(t, watch)
	assert.Equal(t, observedTask1.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask1.ServiceAnnotations.Name, "name1")

	observedTask2 := watchTaskCreate(t, watch)
	assert.Equal(t, observedTask2.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask2.ServiceAnnotations.Name, "name1")

	// Fail both tasks. They should both get restarted.
	updatedTask1 := observedTask1.Copy()
	updatedTask1.Status.State = api.TaskStateFailed
	updatedTask1.ServiceAnnotations = api.Annotations{Name: "original"}
	updatedTask2 := observedTask2.Copy()
	updatedTask2.Status.State = api.TaskStateFailed
	updatedTask2.ServiceAnnotations = api.Annotations{Name: "original"}
	err = s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.UpdateTask(tx, updatedTask1))
		assert.NoError(t, store.UpdateTask(tx, updatedTask2))
		return nil
	})

	expectCommit(t, watch)
	expectTaskUpdate(t, watch)
	expectTaskUpdate(t, watch)
	expectCommit(t, watch)

	expectTaskUpdate(t, watch)
	observedTask3 := watchTaskCreate(t, watch)
	assert.Equal(t, observedTask3.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask3.ServiceAnnotations.Name, "name1")

	expectTaskUpdate(t, watch)
	observedTask4 := watchTaskCreate(t, watch)
	assert.Equal(t, observedTask4.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask4.ServiceAnnotations.Name, "name1")

	// Fail these replacement tasks. Since TaskHistory is set to 2, this
	// should cause the oldest tasks for each instance to get deleted.
	updatedTask3 := observedTask3.Copy()
	updatedTask3.Status.State = api.TaskStateFailed
	updatedTask4 := observedTask4.Copy()
	updatedTask4.Status.State = api.TaskStateFailed
	err = s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.UpdateTask(tx, updatedTask3))
		assert.NoError(t, store.UpdateTask(tx, updatedTask4))
		return nil
	})

	deletedTask1 := watchTaskDelete(t, watch)
	deletedTask2 := watchTaskDelete(t, watch)

	assert.Equal(t, api.TaskStateFailed, deletedTask1.Status.State)
	assert.Equal(t, "original", deletedTask1.ServiceAnnotations.Name)
	assert.Equal(t, api.TaskStateFailed, deletedTask2.Status.State)
	assert.Equal(t, "original", deletedTask2.ServiceAnnotations.Name)

	var foundTasks []*api.Task
	s.View(func(tx store.ReadTx) {
		foundTasks, err = store.FindTasks(tx, store.All)
	})
	assert.NoError(t, err)
	assert.Len(t, foundTasks, 4)
}
示例#7
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func TestIsStateDirty(t *testing.T) {
	ctx := context.Background()

	temp, err := ioutil.TempFile("", "test-socket")
	assert.NoError(t, err)
	assert.NoError(t, temp.Close())
	assert.NoError(t, os.Remove(temp.Name()))

	defer os.RemoveAll(temp.Name())

	stateDir, err := ioutil.TempDir("", "test-raft")
	assert.NoError(t, err)
	defer os.RemoveAll(stateDir)

	tc := testutils.NewTestCA(t, func(p ca.CertPaths) *ca.KeyReadWriter {
		return ca.NewKeyReadWriter(p, []byte("kek"), nil)
	})
	defer tc.Stop()

	managerSecurityConfig, err := tc.NewNodeConfig(ca.ManagerRole)
	assert.NoError(t, err)

	m, err := New(&Config{
		RemoteAPI:        &RemoteAddrs{ListenAddr: "127.0.0.1:0"},
		ControlAPI:       temp.Name(),
		StateDir:         stateDir,
		SecurityConfig:   managerSecurityConfig,
		AutoLockManagers: true,
		UnlockKey:        []byte("kek"),
	})
	assert.NoError(t, err)
	assert.NotNil(t, m)

	go m.Run(ctx)
	defer m.Stop(ctx, false)

	// State should never be dirty just after creating the manager
	isDirty, err := m.IsStateDirty()
	assert.NoError(t, err)
	assert.False(t, isDirty)

	// Wait for cluster and node to be created.
	watch, cancel := state.Watch(m.raftNode.MemoryStore().WatchQueue())
	defer cancel()
	<-watch
	<-watch

	// Updating the node should not cause the state to become dirty
	assert.NoError(t, m.raftNode.MemoryStore().Update(func(tx store.Tx) error {
		node := store.GetNode(tx, m.config.SecurityConfig.ClientTLSCreds.NodeID())
		require.NotNil(t, node)
		node.Spec.Availability = api.NodeAvailabilityPause
		return store.UpdateNode(tx, node)
	}))
	isDirty, err = m.IsStateDirty()
	assert.NoError(t, err)
	assert.False(t, isDirty)

	// Adding a service should cause the state to become dirty
	assert.NoError(t, m.raftNode.MemoryStore().Update(func(tx store.Tx) error {
		return store.CreateService(tx, &api.Service{ID: "foo"})
	}))
	isDirty, err = m.IsStateDirty()
	assert.NoError(t, err)
	assert.True(t, isDirty)
}
示例#8
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func TestReplicatedOrchestrator(t *testing.T) {
	ctx := context.Background()
	s := store.NewMemoryStore(nil)
	assert.NotNil(t, s)
	defer s.Close()

	orchestrator := NewReplicatedOrchestrator(s)
	defer orchestrator.Stop()

	watch, cancel := state.Watch(s.WatchQueue() /*state.EventCreateTask{}, state.EventUpdateTask{}*/)
	defer cancel()

	// Create a service with two instances specified before the orchestrator is
	// started. This should result in two tasks when the orchestrator
	// starts up.
	err := s.Update(func(tx store.Tx) error {
		s1 := &api.Service{
			ID: "id1",
			Spec: api.ServiceSpec{
				Annotations: api.Annotations{
					Name: "name1",
				},
				Task: api.TaskSpec{
					Runtime: &api.TaskSpec_Container{
						Container: &api.ContainerSpec{},
					},
				},
				Mode: &api.ServiceSpec_Replicated{
					Replicated: &api.ReplicatedService{
						Replicas: 2,
					},
				},
			},
		}
		assert.NoError(t, store.CreateService(tx, s1))
		return nil
	})
	assert.NoError(t, err)

	// Start the orchestrator.
	go func() {
		assert.NoError(t, orchestrator.Run(ctx))
	}()

	observedTask1 := watchTaskCreate(t, watch)
	assert.Equal(t, observedTask1.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask1.ServiceAnnotations.Name, "name1")

	observedTask2 := watchTaskCreate(t, watch)
	assert.Equal(t, observedTask2.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask2.ServiceAnnotations.Name, "name1")

	// Create a second service.
	err = s.Update(func(tx store.Tx) error {
		s2 := &api.Service{
			ID: "id2",
			Spec: api.ServiceSpec{
				Annotations: api.Annotations{
					Name: "name2",
				},
				Task: api.TaskSpec{
					Runtime: &api.TaskSpec_Container{
						Container: &api.ContainerSpec{},
					},
				},
				Mode: &api.ServiceSpec_Replicated{
					Replicated: &api.ReplicatedService{
						Replicas: 1,
					},
				},
			},
		}
		assert.NoError(t, store.CreateService(tx, s2))
		return nil
	})
	assert.NoError(t, err)

	observedTask3 := watchTaskCreate(t, watch)
	assert.Equal(t, observedTask3.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask3.ServiceAnnotations.Name, "name2")

	// Update a service to scale it out to 3 instances
	err = s.Update(func(tx store.Tx) error {
		s2 := &api.Service{
			ID: "id2",
			Spec: api.ServiceSpec{
				Annotations: api.Annotations{
					Name: "name2",
				},
				Task: api.TaskSpec{
					Runtime: &api.TaskSpec_Container{
						Container: &api.ContainerSpec{},
					},
				},
				Mode: &api.ServiceSpec_Replicated{
					Replicated: &api.ReplicatedService{
						Replicas: 3,
					},
				},
			},
		}
		assert.NoError(t, store.UpdateService(tx, s2))
		return nil
	})
	assert.NoError(t, err)

	observedTask4 := watchTaskCreate(t, watch)
	assert.Equal(t, observedTask4.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask4.ServiceAnnotations.Name, "name2")

	observedTask5 := watchTaskCreate(t, watch)
	assert.Equal(t, observedTask5.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask5.ServiceAnnotations.Name, "name2")

	// Now scale it back down to 1 instance
	err = s.Update(func(tx store.Tx) error {
		s2 := &api.Service{
			ID: "id2",
			Spec: api.ServiceSpec{
				Annotations: api.Annotations{
					Name: "name2",
				},
				Task: api.TaskSpec{
					Runtime: &api.TaskSpec_Container{
						Container: &api.ContainerSpec{},
					},
				},
				Mode: &api.ServiceSpec_Replicated{
					Replicated: &api.ReplicatedService{
						Replicas: 1,
					},
				},
			},
		}
		assert.NoError(t, store.UpdateService(tx, s2))
		return nil
	})
	assert.NoError(t, err)

	observedDeletion1 := watchShutdownTask(t, watch)
	assert.Equal(t, observedDeletion1.Status.State, api.TaskStateNew)
	assert.Equal(t, observedDeletion1.ServiceAnnotations.Name, "name2")

	observedDeletion2 := watchShutdownTask(t, watch)
	assert.Equal(t, observedDeletion2.Status.State, api.TaskStateNew)
	assert.Equal(t, observedDeletion2.ServiceAnnotations.Name, "name2")

	// There should be one remaining task attached to service id2/name2.
	var liveTasks []*api.Task
	s.View(func(readTx store.ReadTx) {
		var tasks []*api.Task
		tasks, err = store.FindTasks(readTx, store.ByServiceID("id2"))
		for _, t := range tasks {
			if t.DesiredState == api.TaskStateRunning {
				liveTasks = append(liveTasks, t)
			}
		}
	})
	assert.NoError(t, err)
	assert.Len(t, liveTasks, 1)

	// Delete the remaining task directly. It should be recreated by the
	// orchestrator.
	err = s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.DeleteTask(tx, liveTasks[0].ID))
		return nil
	})
	assert.NoError(t, err)

	observedTask6 := watchTaskCreate(t, watch)
	assert.Equal(t, observedTask6.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask6.ServiceAnnotations.Name, "name2")

	// Delete the service. Its remaining task should go away.
	err = s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.DeleteService(tx, "id2"))
		return nil
	})
	assert.NoError(t, err)

	deletedTask := watchTaskDelete(t, watch)
	assert.Equal(t, deletedTask.Status.State, api.TaskStateNew)
	assert.Equal(t, deletedTask.ServiceAnnotations.Name, "name2")
}
示例#9
0
func TestLogBrokerSelector(t *testing.T) {
	ctx, ca, _, serverAddr, brokerAddr, done := testLogBrokerEnv(t)
	defer done()

	client, clientDone := testLogClient(t, serverAddr)
	defer clientDone()

	agent1, agent1Security, agent1Done := testBrokerClient(t, ca, brokerAddr)
	defer agent1Done()
	agent1subscriptions := listenSubscriptions(ctx, t, agent1)

	agent2, agent2Security, agent2Done := testBrokerClient(t, ca, brokerAddr)
	defer agent2Done()

	agent2subscriptions := listenSubscriptions(ctx, t, agent2)

	// Subscribe to a task.
	require.NoError(t, ca.MemoryStore.Update(func(tx store.Tx) error {
		return store.CreateTask(tx, &api.Task{
			ID: "task",
		})
	}))
	_, err := client.SubscribeLogs(ctx, &api.SubscribeLogsRequest{
		Options: &api.LogSubscriptionOptions{
			Follow: true,
		},
		Selector: &api.LogSelector{
			TaskIDs: []string{"task"},
		},
	})
	require.NoError(t, err)

	// Since it's not assigned to any agent, nobody should receive it.
	ensureNoSubscription(t, agent1subscriptions)
	ensureNoSubscription(t, agent2subscriptions)

	// Assign the task to agent-1. Make sure it's received by agent-1 but *not*
	// agent-2.
	require.NoError(t, ca.MemoryStore.Update(func(tx store.Tx) error {
		task := store.GetTask(tx, "task")
		require.NotNil(t, task)
		task.NodeID = agent1Security.ServerTLSCreds.NodeID()
		return store.UpdateTask(tx, task)
	}))

	ensureSubscription(t, agent1subscriptions)
	ensureNoSubscription(t, agent2subscriptions)

	// Subscribe to a service.
	require.NoError(t, ca.MemoryStore.Update(func(tx store.Tx) error {
		return store.CreateService(tx, &api.Service{
			ID: "service",
		})
	}))
	_, err = client.SubscribeLogs(ctx, &api.SubscribeLogsRequest{
		Options: &api.LogSubscriptionOptions{
			Follow: true,
		},
		Selector: &api.LogSelector{
			ServiceIDs: []string{"service"},
		},
	})
	require.NoError(t, err)

	// Since there are no corresponding tasks, nobody should receive it.
	ensureNoSubscription(t, agent1subscriptions)
	ensureNoSubscription(t, agent2subscriptions)

	// Create a task that does *NOT* belong to our service and assign it to node-1.
	require.NoError(t, ca.MemoryStore.Update(func(tx store.Tx) error {
		return store.CreateTask(tx, &api.Task{
			ID:        "wrong-task",
			ServiceID: "wrong-service",
			NodeID:    agent1Security.ServerTLSCreds.NodeID(),
		})
	}))

	// Ensure agent-1 doesn't receive it.
	ensureNoSubscription(t, agent1subscriptions)

	// Now create another task that does belong to our service and assign it to node-1.
	require.NoError(t, ca.MemoryStore.Update(func(tx store.Tx) error {
		return store.CreateTask(tx, &api.Task{
			ID:        "service-task-1",
			ServiceID: "service",
			NodeID:    agent1Security.ServerTLSCreds.NodeID(),
		})
	}))

	// Make sure agent-1 receives it...
	ensureSubscription(t, agent1subscriptions)
	// ...and agent-2 does not.
	ensureNoSubscription(t, agent2subscriptions)

	// Create another task, same as above.
	require.NoError(t, ca.MemoryStore.Update(func(tx store.Tx) error {
		return store.CreateTask(tx, &api.Task{
			ID:        "service-task-2",
			ServiceID: "service",
			NodeID:    agent1Security.ServerTLSCreds.NodeID(),
		})
	}))

	// agent-1 should *not* receive it anymore since the subscription was already delivered.
	// agent-2 should still not get it.
	ensureNoSubscription(t, agent1subscriptions)
	ensureNoSubscription(t, agent2subscriptions)

	// Now, create another one and assign it to agent-2.
	require.NoError(t, ca.MemoryStore.Update(func(tx store.Tx) error {
		return store.CreateTask(tx, &api.Task{
			ID:        "service-task-3",
			ServiceID: "service",
			NodeID:    agent2Security.ServerTLSCreds.NodeID(),
		})
	}))

	// Make sure it's delivered to agent-2.
	ensureSubscription(t, agent2subscriptions)
	// it shouldn't do anything for agent-1.
	ensureNoSubscription(t, agent1subscriptions)
}
示例#10
0
func TestOrchestratorRestartOnNone(t *testing.T) {
	ctx := context.Background()
	s := store.NewMemoryStore(nil)
	assert.NotNil(t, s)

	orchestrator := NewReplicatedOrchestrator(s)
	defer orchestrator.Stop()

	watch, cancel := state.Watch(s.WatchQueue() /*state.EventCreateTask{}, state.EventUpdateTask{}*/)
	defer cancel()

	// Create a service with two instances specified before the orchestrator is
	// started. This should result in two tasks when the orchestrator
	// starts up.
	err := s.Update(func(tx store.Tx) error {
		j1 := &api.Service{
			ID: "id1",
			Spec: api.ServiceSpec{
				Annotations: api.Annotations{
					Name: "name1",
				},
				Task: api.TaskSpec{
					Runtime: &api.TaskSpec_Container{
						Container: &api.ContainerSpec{},
					},
					Restart: &api.RestartPolicy{
						Condition: api.RestartOnNone,
					},
				},
				Mode: &api.ServiceSpec_Replicated{
					Replicated: &api.ReplicatedService{
						Replicas: 2,
					},
				},
			},
		}
		assert.NoError(t, store.CreateService(tx, j1))
		return nil
	})
	assert.NoError(t, err)

	// Start the orchestrator.
	go func() {
		assert.NoError(t, orchestrator.Run(ctx))
	}()

	observedTask1 := watchTaskCreate(t, watch)
	assert.Equal(t, observedTask1.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask1.ServiceAnnotations.Name, "name1")

	observedTask2 := watchTaskCreate(t, watch)
	assert.Equal(t, observedTask2.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask2.ServiceAnnotations.Name, "name1")

	// Fail the first task. Confirm that it does not get restarted.
	updatedTask1 := observedTask1.Copy()
	updatedTask1.Status.State = api.TaskStateFailed
	err = s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.UpdateTask(tx, updatedTask1))
		return nil
	})
	assert.NoError(t, err)
	expectCommit(t, watch)
	expectTaskUpdate(t, watch)
	expectCommit(t, watch)
	expectTaskUpdate(t, watch)
	expectCommit(t, watch)

	select {
	case <-watch:
		t.Fatal("got unexpected event")
	case <-time.After(100 * time.Millisecond):
	}

	// Mark the second task as completed. Confirm that it does not get restarted.
	updatedTask2 := observedTask2.Copy()
	updatedTask2.Status = api.TaskStatus{State: api.TaskStateCompleted}
	err = s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.UpdateTask(tx, updatedTask2))
		return nil
	})
	assert.NoError(t, err)
	expectTaskUpdate(t, watch)
	expectCommit(t, watch)
	expectTaskUpdate(t, watch)
	expectCommit(t, watch)

	select {
	case <-watch:
		t.Fatal("got unexpected event")
	case <-time.After(100 * time.Millisecond):
	}
}
示例#11
0
func TestOrchestratorRestartOnAny(t *testing.T) {
	ctx := context.Background()
	s := store.NewMemoryStore(nil)
	assert.NotNil(t, s)
	defer s.Close()

	orchestrator := NewReplicatedOrchestrator(s)
	defer orchestrator.Stop()

	watch, cancel := state.Watch(s.WatchQueue() /*state.EventCreateTask{}, state.EventUpdateTask{}*/)
	defer cancel()

	// Create a service with two instances specified before the orchestrator is
	// started. This should result in two tasks when the orchestrator
	// starts up.
	err := s.Update(func(tx store.Tx) error {
		j1 := &api.Service{
			ID: "id1",
			Spec: api.ServiceSpec{
				Annotations: api.Annotations{
					Name: "name1",
				},
				Task: api.TaskSpec{
					Runtime: &api.TaskSpec_Container{
						Container: &api.ContainerSpec{},
					},
					Restart: &api.RestartPolicy{
						Condition: api.RestartOnAny,
						Delay:     ptypes.DurationProto(0),
					},
				},
				Mode: &api.ServiceSpec_Replicated{
					Replicated: &api.ReplicatedService{
						Replicas: 2,
					},
				},
			},
		}
		assert.NoError(t, store.CreateService(tx, j1))
		return nil
	})
	assert.NoError(t, err)

	// Start the orchestrator.
	go func() {
		assert.NoError(t, orchestrator.Run(ctx))
	}()

	observedTask1 := watchTaskCreate(t, watch)
	assert.Equal(t, observedTask1.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask1.ServiceAnnotations.Name, "name1")

	observedTask2 := watchTaskCreate(t, watch)
	assert.Equal(t, observedTask2.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask2.ServiceAnnotations.Name, "name1")

	// Fail the first task. Confirm that it gets restarted.
	updatedTask1 := observedTask1.Copy()
	updatedTask1.Status = api.TaskStatus{State: api.TaskStateFailed}
	err = s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.UpdateTask(tx, updatedTask1))
		return nil
	})
	assert.NoError(t, err)
	expectCommit(t, watch)
	expectTaskUpdate(t, watch)
	expectCommit(t, watch)
	expectTaskUpdate(t, watch)

	observedTask3 := watchTaskCreate(t, watch)
	assert.Equal(t, observedTask3.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask3.ServiceAnnotations.Name, "name1")

	expectCommit(t, watch)

	observedTask4 := watchTaskUpdate(t, watch)
	assert.Equal(t, observedTask4.DesiredState, api.TaskStateRunning)
	assert.Equal(t, observedTask4.ServiceAnnotations.Name, "name1")

	// Mark the second task as completed. Confirm that it gets restarted.
	updatedTask2 := observedTask2.Copy()
	updatedTask2.Status = api.TaskStatus{State: api.TaskStateCompleted}
	err = s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.UpdateTask(tx, updatedTask2))
		return nil
	})
	assert.NoError(t, err)
	expectCommit(t, watch)
	expectTaskUpdate(t, watch)
	expectCommit(t, watch)
	expectTaskUpdate(t, watch)

	observedTask5 := watchTaskCreate(t, watch)
	assert.Equal(t, observedTask5.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask5.ServiceAnnotations.Name, "name1")

	expectCommit(t, watch)

	observedTask6 := watchTaskUpdate(t, watch)
	assert.Equal(t, observedTask6.DesiredState, api.TaskStateRunning)
	assert.Equal(t, observedTask6.ServiceAnnotations.Name, "name1")
}
示例#12
0
func TestUpdaterFailureAction(t *testing.T) {
	ctx := context.Background()
	s := store.NewMemoryStore(nil)
	assert.NotNil(t, s)
	defer s.Close()

	// Fail new tasks the updater tries to run
	watch, cancel := state.Watch(s.WatchQueue(), state.EventUpdateTask{})
	defer cancel()
	go func() {
		for {
			select {
			case e := <-watch:
				task := e.(state.EventUpdateTask).Task
				if task.DesiredState == api.TaskStateRunning && task.Status.State != api.TaskStateFailed {
					err := s.Update(func(tx store.Tx) error {
						task = store.GetTask(tx, task.ID)
						task.Status.State = api.TaskStateFailed
						return store.UpdateTask(tx, task)
					})
					assert.NoError(t, err)
				} else if task.DesiredState > api.TaskStateRunning {
					err := s.Update(func(tx store.Tx) error {
						task = store.GetTask(tx, task.ID)
						task.Status.State = task.DesiredState
						return store.UpdateTask(tx, task)
					})
					assert.NoError(t, err)
				}
			}
		}
	}()

	instances := 3
	cluster := &api.Cluster{
		Spec: api.ClusterSpec{
			Annotations: api.Annotations{
				Name: "default",
			},
		},
	}

	service := &api.Service{
		ID: "id1",
		Spec: api.ServiceSpec{
			Annotations: api.Annotations{
				Name: "name1",
			},
			Mode: &api.ServiceSpec_Replicated{
				Replicated: &api.ReplicatedService{
					Replicas: uint64(instances),
				},
			},
			Task: api.TaskSpec{
				Runtime: &api.TaskSpec_Container{
					Container: &api.ContainerSpec{
						Image: "v:1",
						// This won't apply in this test because we set the old tasks to DEAD.
						StopGracePeriod: ptypes.DurationProto(time.Hour),
					},
				},
			},
			Update: &api.UpdateConfig{
				FailureAction: api.UpdateConfig_PAUSE,
				Parallelism:   1,
				Delay:         *ptypes.DurationProto(500 * time.Millisecond),
			},
		},
	}

	err := s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.CreateCluster(tx, cluster))
		assert.NoError(t, store.CreateService(tx, service))
		for i := 0; i < instances; i++ {
			assert.NoError(t, store.CreateTask(tx, newTask(cluster, service, uint64(i))))
		}
		return nil
	})
	assert.NoError(t, err)

	originalTasks := getRunnableSlotSlice(t, s, service)
	for _, slot := range originalTasks {
		for _, task := range slot {
			assert.Equal(t, "v:1", task.Spec.GetContainer().Image)
		}
	}

	service.Spec.Task.GetContainer().Image = "v:2"
	updater := NewUpdater(s, NewRestartSupervisor(s), cluster, service)
	updater.Run(ctx, getRunnableSlotSlice(t, s, service))
	updatedTasks := getRunnableSlotSlice(t, s, service)
	v1Counter := 0
	v2Counter := 0
	for _, slot := range updatedTasks {
		for _, task := range slot {
			if task.Spec.GetContainer().Image == "v:1" {
				v1Counter++
			} else if task.Spec.GetContainer().Image == "v:2" {
				v2Counter++
			}
		}
	}
	assert.Equal(t, instances-1, v1Counter)
	assert.Equal(t, 1, v2Counter)

	s.View(func(tx store.ReadTx) {
		service = store.GetService(tx, service.ID)
	})
	assert.Equal(t, api.UpdateStatus_PAUSED, service.UpdateStatus.State)

	// Updating again should do nothing while the update is PAUSED
	updater = NewUpdater(s, NewRestartSupervisor(s), cluster, service)
	updater.Run(ctx, getRunnableSlotSlice(t, s, service))
	updatedTasks = getRunnableSlotSlice(t, s, service)
	v1Counter = 0
	v2Counter = 0
	for _, slot := range updatedTasks {
		for _, task := range slot {
			if task.Spec.GetContainer().Image == "v:1" {
				v1Counter++
			} else if task.Spec.GetContainer().Image == "v:2" {
				v2Counter++
			}
		}
	}
	assert.Equal(t, instances-1, v1Counter)
	assert.Equal(t, 1, v2Counter)

	// Switch to a service with FailureAction: CONTINUE
	err = s.Update(func(tx store.Tx) error {
		service = store.GetService(tx, service.ID)
		service.Spec.Update.FailureAction = api.UpdateConfig_CONTINUE
		service.UpdateStatus = nil
		assert.NoError(t, store.UpdateService(tx, service))
		return nil
	})
	assert.NoError(t, err)

	service.Spec.Task.GetContainer().Image = "v:3"
	updater = NewUpdater(s, NewRestartSupervisor(s), cluster, service)
	updater.Run(ctx, getRunnableSlotSlice(t, s, service))
	updatedTasks = getRunnableSlotSlice(t, s, service)
	v2Counter = 0
	v3Counter := 0
	for _, slot := range updatedTasks {
		for _, task := range slot {
			if task.Spec.GetContainer().Image == "v:2" {
				v2Counter++
			} else if task.Spec.GetContainer().Image == "v:3" {
				v3Counter++
			}
		}
	}

	assert.Equal(t, 0, v2Counter)
	assert.Equal(t, instances, v3Counter)

}
示例#13
0
func TestReplicatedScaleDown(t *testing.T) {
	ctx := context.Background()
	s := store.NewMemoryStore(nil)
	assert.NotNil(t, s)
	defer s.Close()

	orchestrator := NewReplicatedOrchestrator(s)
	defer orchestrator.Stop()

	watch, cancel := state.Watch(s.WatchQueue(), state.EventUpdateTask{})
	defer cancel()

	s1 := &api.Service{
		ID: "id1",
		Spec: api.ServiceSpec{
			Annotations: api.Annotations{
				Name: "name1",
			},
			Mode: &api.ServiceSpec_Replicated{
				Replicated: &api.ReplicatedService{
					Replicas: 6,
				},
			},
		},
	}

	err := s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.CreateService(tx, s1))

		nodes := []*api.Node{
			{
				ID: "node1",
				Spec: api.NodeSpec{
					Annotations: api.Annotations{
						Name: "name1",
					},
					Availability: api.NodeAvailabilityActive,
				},
				Status: api.NodeStatus{
					State: api.NodeStatus_READY,
				},
			},
			{
				ID: "node2",
				Spec: api.NodeSpec{
					Annotations: api.Annotations{
						Name: "name2",
					},
					Availability: api.NodeAvailabilityActive,
				},
				Status: api.NodeStatus{
					State: api.NodeStatus_READY,
				},
			},
			{
				ID: "node3",
				Spec: api.NodeSpec{
					Annotations: api.Annotations{
						Name: "name3",
					},
					Availability: api.NodeAvailabilityActive,
				},
				Status: api.NodeStatus{
					State: api.NodeStatus_READY,
				},
			},
		}
		for _, node := range nodes {
			assert.NoError(t, store.CreateNode(tx, node))
		}

		// task1 is assigned to node1
		// task2 - task3 are assigned to node2
		// task4 - task6 are assigned to node3
		// task7 is unassigned

		tasks := []*api.Task{
			{
				ID:           "task1",
				Slot:         1,
				DesiredState: api.TaskStateRunning,
				Status: api.TaskStatus{
					State: api.TaskStateStarting,
				},
				ServiceAnnotations: api.Annotations{
					Name: "task1",
				},
				ServiceID: "id1",
				NodeID:    "node1",
			},
			{
				ID:           "task2",
				Slot:         2,
				DesiredState: api.TaskStateRunning,
				Status: api.TaskStatus{
					State: api.TaskStateRunning,
				},
				ServiceAnnotations: api.Annotations{
					Name: "task2",
				},
				ServiceID: "id1",
				NodeID:    "node2",
			},
			{
				ID:           "task3",
				Slot:         3,
				DesiredState: api.TaskStateRunning,
				Status: api.TaskStatus{
					State: api.TaskStateRunning,
				},
				ServiceAnnotations: api.Annotations{
					Name: "task3",
				},
				ServiceID: "id1",
				NodeID:    "node2",
			},
			{
				ID:           "task4",
				Slot:         4,
				DesiredState: api.TaskStateRunning,
				Status: api.TaskStatus{
					State: api.TaskStateRunning,
				},
				ServiceAnnotations: api.Annotations{
					Name: "task4",
				},
				ServiceID: "id1",
				NodeID:    "node3",
			},
			{
				ID:           "task5",
				Slot:         5,
				DesiredState: api.TaskStateRunning,
				Status: api.TaskStatus{
					State: api.TaskStateRunning,
				},
				ServiceAnnotations: api.Annotations{
					Name: "task5",
				},
				ServiceID: "id1",
				NodeID:    "node3",
			},
			{
				ID:           "task6",
				Slot:         6,
				DesiredState: api.TaskStateRunning,
				Status: api.TaskStatus{
					State: api.TaskStateRunning,
				},
				ServiceAnnotations: api.Annotations{
					Name: "task6",
				},
				ServiceID: "id1",
				NodeID:    "node3",
			},
			{
				ID:           "task7",
				Slot:         7,
				DesiredState: api.TaskStateRunning,
				Status: api.TaskStatus{
					State: api.TaskStateNew,
				},
				ServiceAnnotations: api.Annotations{
					Name: "task7",
				},
				ServiceID: "id1",
			},
		}
		for _, task := range tasks {
			assert.NoError(t, store.CreateTask(tx, task))
		}

		return nil
	})
	assert.NoError(t, err)

	// Start the orchestrator.
	go func() {
		assert.NoError(t, orchestrator.Run(ctx))
	}()

	// Replicas was set to 6, but we started with 7 tasks. task7 should
	// be the one the orchestrator chose to shut down because it was not
	// assigned yet.

	observedShutdown := watchShutdownTask(t, watch)
	assert.Equal(t, "task7", observedShutdown.ID)

	// Now scale down to 2 instances.
	err = s.Update(func(tx store.Tx) error {
		s1.Spec.Mode = &api.ServiceSpec_Replicated{
			Replicated: &api.ReplicatedService{
				Replicas: 2,
			},
		}
		assert.NoError(t, store.UpdateService(tx, s1))
		return nil
	})
	assert.NoError(t, err)

	// Tasks should be shut down in a way that balances the remaining tasks.
	// node2 and node3 should be preferred over node1 because node1's task
	// is not running yet.

	shutdowns := make(map[string]int)
	for i := 0; i != 4; i++ {
		observedShutdown := watchShutdownTask(t, watch)
		shutdowns[observedShutdown.NodeID]++
	}

	assert.Equal(t, 1, shutdowns["node1"])
	assert.Equal(t, 1, shutdowns["node2"])
	assert.Equal(t, 2, shutdowns["node3"])

	// There should be remaining tasks on node2 and node3.
	s.View(func(readTx store.ReadTx) {
		tasks, err := store.FindTasks(readTx, store.ByDesiredState(api.TaskStateRunning))
		require.NoError(t, err)
		require.Len(t, tasks, 2)
		if tasks[0].NodeID == "node2" {
			assert.Equal(t, "node3", tasks[1].NodeID)
		} else {
			assert.Equal(t, "node3", tasks[0].NodeID)
			assert.Equal(t, "node2", tasks[1].NodeID)
		}
	})
}
示例#14
0
func TestAllocator(t *testing.T) {
	s := store.NewMemoryStore(nil)
	assert.NotNil(t, s)
	defer s.Close()

	a, err := New(s)
	assert.NoError(t, err)
	assert.NotNil(t, a)

	// Try adding some objects to store before allocator is started
	assert.NoError(t, s.Update(func(tx store.Tx) error {
		n1 := &api.Network{
			ID: "testID1",
			Spec: api.NetworkSpec{
				Annotations: api.Annotations{
					Name: "test1",
				},
			},
		}
		assert.NoError(t, store.CreateNetwork(tx, n1))

		s1 := &api.Service{
			ID: "testServiceID1",
			Spec: api.ServiceSpec{
				Annotations: api.Annotations{
					Name: "service1",
				},
				Task: api.TaskSpec{
					Networks: []*api.NetworkAttachmentConfig{
						{
							Target: "testID1",
						},
					},
				},
				Endpoint: &api.EndpointSpec{},
			},
		}
		assert.NoError(t, store.CreateService(tx, s1))

		t1 := &api.Task{
			ID: "testTaskID1",
			Status: api.TaskStatus{
				State: api.TaskStateNew,
			},
			Networks: []*api.NetworkAttachment{
				{
					Network: n1,
				},
			},
		}
		assert.NoError(t, store.CreateTask(tx, t1))
		return nil
	}))

	netWatch, cancel := state.Watch(s.WatchQueue(), state.EventUpdateNetwork{}, state.EventDeleteNetwork{})
	defer cancel()
	taskWatch, cancel := state.Watch(s.WatchQueue(), state.EventUpdateTask{}, state.EventDeleteTask{})
	defer cancel()
	serviceWatch, cancel := state.Watch(s.WatchQueue(), state.EventUpdateService{}, state.EventDeleteService{})
	defer cancel()

	// Start allocator
	go func() {
		assert.NoError(t, a.Run(context.Background()))
	}()

	// Now verify if we get network and tasks updated properly
	watchNetwork(t, netWatch, false, isValidNetwork)
	watchTask(t, s, taskWatch, false, isValidTask)
	watchService(t, serviceWatch, false, nil)

	// Add new networks/tasks/services after allocator is started.
	assert.NoError(t, s.Update(func(tx store.Tx) error {
		n2 := &api.Network{
			ID: "testID2",
			Spec: api.NetworkSpec{
				Annotations: api.Annotations{
					Name: "test2",
				},
			},
		}
		assert.NoError(t, store.CreateNetwork(tx, n2))
		return nil
	}))

	watchNetwork(t, netWatch, false, isValidNetwork)

	assert.NoError(t, s.Update(func(tx store.Tx) error {
		s2 := &api.Service{
			ID: "testServiceID2",
			Spec: api.ServiceSpec{
				Annotations: api.Annotations{
					Name: "service2",
				},
				Networks: []*api.NetworkAttachmentConfig{
					{
						Target: "testID2",
					},
				},
				Endpoint: &api.EndpointSpec{},
			},
		}
		assert.NoError(t, store.CreateService(tx, s2))
		return nil
	}))

	watchService(t, serviceWatch, false, nil)

	assert.NoError(t, s.Update(func(tx store.Tx) error {
		t2 := &api.Task{
			ID: "testTaskID2",
			Status: api.TaskStatus{
				State: api.TaskStateNew,
			},
			ServiceID:    "testServiceID2",
			DesiredState: api.TaskStateRunning,
		}
		assert.NoError(t, store.CreateTask(tx, t2))
		return nil
	}))

	watchTask(t, s, taskWatch, false, isValidTask)

	// Now try adding a task which depends on a network before adding the network.
	n3 := &api.Network{
		ID: "testID3",
		Spec: api.NetworkSpec{
			Annotations: api.Annotations{
				Name: "test3",
			},
		},
	}

	assert.NoError(t, s.Update(func(tx store.Tx) error {
		t3 := &api.Task{
			ID: "testTaskID3",
			Status: api.TaskStatus{
				State: api.TaskStateNew,
			},
			DesiredState: api.TaskStateRunning,
			Networks: []*api.NetworkAttachment{
				{
					Network: n3,
				},
			},
		}
		assert.NoError(t, store.CreateTask(tx, t3))
		return nil
	}))

	// Wait for a little bit of time before adding network just to
	// test network is not available while task allocation is
	// going through
	time.Sleep(10 * time.Millisecond)

	assert.NoError(t, s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.CreateNetwork(tx, n3))
		return nil
	}))

	watchNetwork(t, netWatch, false, isValidNetwork)
	watchTask(t, s, taskWatch, false, isValidTask)

	assert.NoError(t, s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.DeleteTask(tx, "testTaskID3"))
		return nil
	}))
	watchTask(t, s, taskWatch, false, isValidTask)

	assert.NoError(t, s.Update(func(tx store.Tx) error {
		t5 := &api.Task{
			ID: "testTaskID5",
			Spec: api.TaskSpec{
				Networks: []*api.NetworkAttachmentConfig{
					{
						Target: "testID2",
					},
				},
			},
			Status: api.TaskStatus{
				State: api.TaskStateNew,
			},
			DesiredState: api.TaskStateRunning,
			ServiceID:    "testServiceID2",
		}
		assert.NoError(t, store.CreateTask(tx, t5))
		return nil
	}))
	watchTask(t, s, taskWatch, false, isValidTask)

	assert.NoError(t, s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.DeleteNetwork(tx, "testID3"))
		return nil
	}))
	watchNetwork(t, netWatch, false, isValidNetwork)

	assert.NoError(t, s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.DeleteService(tx, "testServiceID2"))
		return nil
	}))
	watchService(t, serviceWatch, false, nil)

	// Try to create a task with no network attachments and test
	// that it moves to ALLOCATED state.
	assert.NoError(t, s.Update(func(tx store.Tx) error {
		t4 := &api.Task{
			ID: "testTaskID4",
			Status: api.TaskStatus{
				State: api.TaskStateNew,
			},
			DesiredState: api.TaskStateRunning,
		}
		assert.NoError(t, store.CreateTask(tx, t4))
		return nil
	}))
	watchTask(t, s, taskWatch, false, isValidTask)

	assert.NoError(t, s.Update(func(tx store.Tx) error {
		n2 := store.GetNetwork(tx, "testID2")
		require.NotEqual(t, nil, n2)
		assert.NoError(t, store.UpdateNetwork(tx, n2))
		return nil
	}))
	watchNetwork(t, netWatch, false, isValidNetwork)
	watchNetwork(t, netWatch, true, nil)

	// Try updating task which is already allocated
	assert.NoError(t, s.Update(func(tx store.Tx) error {
		t2 := store.GetTask(tx, "testTaskID2")
		require.NotEqual(t, nil, t2)
		assert.NoError(t, store.UpdateTask(tx, t2))
		return nil
	}))
	watchTask(t, s, taskWatch, false, isValidTask)
	watchTask(t, s, taskWatch, true, nil)

	// Try adding networks with conflicting network resources and
	// add task which attaches to a network which gets allocated
	// later and verify if task reconciles and moves to ALLOCATED.
	n4 := &api.Network{
		ID: "testID4",
		Spec: api.NetworkSpec{
			Annotations: api.Annotations{
				Name: "test4",
			},
			DriverConfig: &api.Driver{
				Name: "overlay",
				Options: map[string]string{
					"com.docker.network.driver.overlay.vxlanid_list": "328",
				},
			},
		},
	}

	n5 := n4.Copy()
	n5.ID = "testID5"
	n5.Spec.Annotations.Name = "test5"
	assert.NoError(t, s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.CreateNetwork(tx, n4))
		return nil
	}))
	watchNetwork(t, netWatch, false, isValidNetwork)

	assert.NoError(t, s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.CreateNetwork(tx, n5))
		return nil
	}))
	watchNetwork(t, netWatch, true, nil)

	assert.NoError(t, s.Update(func(tx store.Tx) error {
		t6 := &api.Task{
			ID: "testTaskID6",
			Status: api.TaskStatus{
				State: api.TaskStateNew,
			},
			DesiredState: api.TaskStateRunning,
			Networks: []*api.NetworkAttachment{
				{
					Network: n5,
				},
			},
		}
		assert.NoError(t, store.CreateTask(tx, t6))
		return nil
	}))
	watchTask(t, s, taskWatch, true, nil)

	// Now remove the conflicting network.
	assert.NoError(t, s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.DeleteNetwork(tx, n4.ID))
		return nil
	}))
	watchNetwork(t, netWatch, false, isValidNetwork)
	watchTask(t, s, taskWatch, false, isValidTask)

	// Try adding services with conflicting port configs and add
	// task which is part of the service whose allocation hasn't
	// happened and when that happens later and verify if task
	// reconciles and moves to ALLOCATED.
	s3 := &api.Service{
		ID: "testServiceID3",
		Spec: api.ServiceSpec{
			Annotations: api.Annotations{
				Name: "service3",
			},
			Endpoint: &api.EndpointSpec{
				Ports: []*api.PortConfig{
					{
						Name:          "http",
						TargetPort:    80,
						PublishedPort: 8080,
					},
				},
			},
		},
	}

	s4 := s3.Copy()
	s4.ID = "testServiceID4"
	s4.Spec.Annotations.Name = "service4"
	assert.NoError(t, s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.CreateService(tx, s3))
		return nil
	}))
	watchService(t, serviceWatch, false, nil)
	assert.NoError(t, s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.CreateService(tx, s4))
		return nil
	}))
	watchService(t, serviceWatch, true, nil)

	assert.NoError(t, s.Update(func(tx store.Tx) error {
		t7 := &api.Task{
			ID: "testTaskID7",
			Status: api.TaskStatus{
				State: api.TaskStateNew,
			},
			ServiceID:    "testServiceID4",
			DesiredState: api.TaskStateRunning,
		}
		assert.NoError(t, store.CreateTask(tx, t7))
		return nil
	}))
	watchTask(t, s, taskWatch, true, nil)

	// Now remove the conflicting service.
	assert.NoError(t, s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.DeleteService(tx, s3.ID))
		return nil
	}))
	watchService(t, serviceWatch, false, nil)
	watchTask(t, s, taskWatch, false, isValidTask)

	a.Stop()
}
示例#15
0
func TestOrchestratorRestartDelay(t *testing.T) {
	ctx := context.Background()
	s := store.NewMemoryStore(nil)
	assert.NotNil(t, s)

	orchestrator := NewReplicatedOrchestrator(s)
	defer orchestrator.Stop()

	watch, cancel := state.Watch(s.WatchQueue() /*state.EventCreateTask{}, state.EventUpdateTask{}*/)
	defer cancel()

	// Create a service with two instances specified before the orchestrator is
	// started. This should result in two tasks when the orchestrator
	// starts up.
	err := s.Update(func(tx store.Tx) error {
		j1 := &api.Service{
			ID: "id1",
			Spec: api.ServiceSpec{
				Annotations: api.Annotations{
					Name: "name1",
				},
				Task: api.TaskSpec{
					Runtime: &api.TaskSpec_Container{
						Container: &api.ContainerSpec{},
					},
					Restart: &api.RestartPolicy{
						Condition: api.RestartOnAny,
						Delay:     ptypes.DurationProto(100 * time.Millisecond),
					},
				},
				Mode: &api.ServiceSpec_Replicated{
					Replicated: &api.ReplicatedService{
						Replicas: 2,
					},
				},
			},
		}
		assert.NoError(t, store.CreateService(tx, j1))
		return nil
	})
	assert.NoError(t, err)

	// Start the orchestrator.
	go func() {
		assert.NoError(t, orchestrator.Run(ctx))
	}()

	observedTask1 := watchTaskCreate(t, watch)
	assert.Equal(t, observedTask1.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask1.ServiceAnnotations.Name, "name1")

	observedTask2 := watchTaskCreate(t, watch)
	assert.Equal(t, observedTask2.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask2.ServiceAnnotations.Name, "name1")

	// Fail the first task. Confirm that it gets restarted.
	updatedTask1 := observedTask1.Copy()
	updatedTask1.Status = api.TaskStatus{State: api.TaskStateFailed}
	before := time.Now()
	err = s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.UpdateTask(tx, updatedTask1))
		return nil
	})
	assert.NoError(t, err)
	expectCommit(t, watch)
	expectTaskUpdate(t, watch)
	expectCommit(t, watch)
	expectTaskUpdate(t, watch)

	observedTask3 := watchTaskCreate(t, watch)
	expectCommit(t, watch)
	assert.Equal(t, observedTask3.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask3.DesiredState, api.TaskStateReady)
	assert.Equal(t, observedTask3.ServiceAnnotations.Name, "name1")

	observedTask4 := watchTaskUpdate(t, watch)
	after := time.Now()

	// At least 100 ms should have elapsed. Only check the lower bound,
	// because the system may be slow and it could have taken longer.
	if after.Sub(before) < 100*time.Millisecond {
		t.Fatalf("restart delay should have elapsed. Got: %v", after.Sub(before))
	}

	assert.Equal(t, observedTask4.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask4.DesiredState, api.TaskStateRunning)
	assert.Equal(t, observedTask4.ServiceAnnotations.Name, "name1")
}
示例#16
0
func TestUpdaterRollback(t *testing.T) {
	ctx := context.Background()
	s := store.NewMemoryStore(nil)
	assert.NotNil(t, s)
	defer s.Close()

	orchestrator := NewReplicatedOrchestrator(s)
	defer orchestrator.Stop()

	var (
		failImage1 uint32
		failImage2 uint32
	)

	watchCreate, cancelCreate := state.Watch(s.WatchQueue(), state.EventCreateTask{})
	defer cancelCreate()

	watchServiceUpdate, cancelServiceUpdate := state.Watch(s.WatchQueue(), state.EventUpdateService{})
	defer cancelServiceUpdate()

	// Fail new tasks the updater tries to run
	watchUpdate, cancelUpdate := state.Watch(s.WatchQueue(), state.EventUpdateTask{})
	defer cancelUpdate()
	go func() {
		failedLast := false
		for {
			select {
			case e := <-watchUpdate:
				task := e.(state.EventUpdateTask).Task
				if task.DesiredState == task.Status.State {
					continue
				}
				if task.DesiredState == api.TaskStateRunning && task.Status.State != api.TaskStateFailed && task.Status.State != api.TaskStateRunning {
					err := s.Update(func(tx store.Tx) error {
						task = store.GetTask(tx, task.ID)
						// Never fail two image2 tasks in a row, so there's a mix of
						// failed and successful tasks for the rollback.
						if task.Spec.GetContainer().Image == "image1" && atomic.LoadUint32(&failImage1) == 1 {
							task.Status.State = api.TaskStateFailed
							failedLast = true
						} else if task.Spec.GetContainer().Image == "image2" && atomic.LoadUint32(&failImage2) == 1 && !failedLast {
							task.Status.State = api.TaskStateFailed
							failedLast = true
						} else {
							task.Status.State = task.DesiredState
							failedLast = false
						}
						return store.UpdateTask(tx, task)
					})
					assert.NoError(t, err)
				} else if task.DesiredState > api.TaskStateRunning {
					err := s.Update(func(tx store.Tx) error {
						task = store.GetTask(tx, task.ID)
						task.Status.State = task.DesiredState
						return store.UpdateTask(tx, task)
					})
					assert.NoError(t, err)
				}
			}
		}
	}()

	// Create a service with four replicas specified before the orchestrator
	// is started. This should result in two tasks when the orchestrator
	// starts up.
	err := s.Update(func(tx store.Tx) error {
		s1 := &api.Service{
			ID: "id1",
			Spec: api.ServiceSpec{
				Annotations: api.Annotations{
					Name: "name1",
				},
				Task: api.TaskSpec{
					Runtime: &api.TaskSpec_Container{
						Container: &api.ContainerSpec{
							Image: "image1",
						},
					},
					Restart: &api.RestartPolicy{
						Condition: api.RestartOnNone,
					},
				},
				Mode: &api.ServiceSpec_Replicated{
					Replicated: &api.ReplicatedService{
						Replicas: 4,
					},
				},
				Update: &api.UpdateConfig{
					FailureAction:   api.UpdateConfig_ROLLBACK,
					Parallelism:     1,
					Delay:           *ptypes.DurationProto(10 * time.Millisecond),
					Monitor:         ptypes.DurationProto(500 * time.Millisecond),
					MaxFailureRatio: 0.4,
				},
			},
		}

		assert.NoError(t, store.CreateService(tx, s1))
		return nil
	})
	assert.NoError(t, err)

	// Start the orchestrator.
	go func() {
		assert.NoError(t, orchestrator.Run(ctx))
	}()

	observedTask := testutils.WatchTaskCreate(t, watchCreate)
	assert.Equal(t, observedTask.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask.Spec.GetContainer().Image, "image1")

	observedTask = testutils.WatchTaskCreate(t, watchCreate)
	assert.Equal(t, observedTask.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask.Spec.GetContainer().Image, "image1")

	observedTask = testutils.WatchTaskCreate(t, watchCreate)
	assert.Equal(t, observedTask.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask.Spec.GetContainer().Image, "image1")

	observedTask = testutils.WatchTaskCreate(t, watchCreate)
	assert.Equal(t, observedTask.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask.Spec.GetContainer().Image, "image1")

	atomic.StoreUint32(&failImage2, 1)

	// Start a rolling update
	err = s.Update(func(tx store.Tx) error {
		s1 := store.GetService(tx, "id1")
		require.NotNil(t, s1)
		s1.PreviousSpec = s1.Spec.Copy()
		s1.UpdateStatus = nil
		s1.Spec.Task.GetContainer().Image = "image2"
		assert.NoError(t, store.UpdateService(tx, s1))
		return nil
	})
	assert.NoError(t, err)

	// Should see three tasks started, then a rollback

	observedTask = testutils.WatchTaskCreate(t, watchCreate)
	assert.Equal(t, observedTask.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask.Spec.GetContainer().Image, "image2")

	observedTask = testutils.WatchTaskCreate(t, watchCreate)
	assert.Equal(t, observedTask.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask.Spec.GetContainer().Image, "image2")

	observedTask = testutils.WatchTaskCreate(t, watchCreate)
	assert.Equal(t, observedTask.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask.Spec.GetContainer().Image, "image2")

	// Should get to the ROLLBACK_STARTED state
	for {
		e := <-watchServiceUpdate
		if e.(state.EventUpdateService).Service.UpdateStatus == nil {
			continue
		}
		if e.(state.EventUpdateService).Service.UpdateStatus.State == api.UpdateStatus_ROLLBACK_STARTED {
			break
		}
	}

	observedTask = testutils.WatchTaskCreate(t, watchCreate)
	assert.Equal(t, observedTask.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask.Spec.GetContainer().Image, "image1")

	observedTask = testutils.WatchTaskCreate(t, watchCreate)
	assert.Equal(t, observedTask.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask.Spec.GetContainer().Image, "image1")

	observedTask = testutils.WatchTaskCreate(t, watchCreate)
	assert.Equal(t, observedTask.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask.Spec.GetContainer().Image, "image1")

	// Should end up in ROLLBACK_COMPLETED state
	for {
		e := <-watchServiceUpdate
		if e.(state.EventUpdateService).Service.UpdateStatus.State == api.UpdateStatus_ROLLBACK_COMPLETED {
			break
		}
	}

	atomic.StoreUint32(&failImage1, 1)

	// Repeat the rolling update but this time fail the tasks that the
	// rollback creates. It should end up in ROLLBACK_PAUSED.
	err = s.Update(func(tx store.Tx) error {
		s1 := store.GetService(tx, "id1")
		require.NotNil(t, s1)
		s1.PreviousSpec = s1.Spec.Copy()
		s1.UpdateStatus = nil
		s1.Spec.Task.GetContainer().Image = "image2"
		assert.NoError(t, store.UpdateService(tx, s1))
		return nil
	})
	assert.NoError(t, err)

	// Should see three tasks started, then a rollback

	observedTask = testutils.WatchTaskCreate(t, watchCreate)
	assert.Equal(t, observedTask.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask.Spec.GetContainer().Image, "image2")

	observedTask = testutils.WatchTaskCreate(t, watchCreate)
	assert.Equal(t, observedTask.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask.Spec.GetContainer().Image, "image2")

	observedTask = testutils.WatchTaskCreate(t, watchCreate)
	assert.Equal(t, observedTask.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask.Spec.GetContainer().Image, "image2")

	// Should get to the ROLLBACK_STARTED state
	for {
		e := <-watchServiceUpdate
		if e.(state.EventUpdateService).Service.UpdateStatus == nil {
			continue
		}
		if e.(state.EventUpdateService).Service.UpdateStatus.State == api.UpdateStatus_ROLLBACK_STARTED {
			break
		}
	}

	observedTask = testutils.WatchTaskCreate(t, watchCreate)
	assert.Equal(t, observedTask.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask.Spec.GetContainer().Image, "image1")

	observedTask = testutils.WatchTaskCreate(t, watchCreate)
	assert.Equal(t, observedTask.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask.Spec.GetContainer().Image, "image1")

	observedTask = testutils.WatchTaskCreate(t, watchCreate)
	assert.Equal(t, observedTask.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask.Spec.GetContainer().Image, "image1")

	// Should end up in ROLLBACK_PAUSED state
	for {
		e := <-watchServiceUpdate
		if e.(state.EventUpdateService).Service.UpdateStatus.State == api.UpdateStatus_ROLLBACK_PAUSED {
			break
		}
	}
}
示例#17
0
func TestOrchestratorRestartWindow(t *testing.T) {
	ctx := context.Background()
	s := store.NewMemoryStore(nil)
	assert.NotNil(t, s)

	orchestrator := NewReplicatedOrchestrator(s)
	defer orchestrator.Stop()

	watch, cancel := state.Watch(s.WatchQueue() /*state.EventCreateTask{}, state.EventUpdateTask{}*/)
	defer cancel()

	// Create a service with two instances specified before the orchestrator is
	// started. This should result in two tasks when the orchestrator
	// starts up.
	err := s.Update(func(tx store.Tx) error {
		j1 := &api.Service{
			ID: "id1",
			Spec: api.ServiceSpec{
				Annotations: api.Annotations{
					Name: "name1",
				},
				Mode: &api.ServiceSpec_Replicated{
					Replicated: &api.ReplicatedService{
						Replicas: 2,
					},
				},
				Task: api.TaskSpec{
					Restart: &api.RestartPolicy{
						Condition:   api.RestartOnAny,
						Delay:       ptypes.DurationProto(100 * time.Millisecond),
						MaxAttempts: 1,
						Window:      ptypes.DurationProto(500 * time.Millisecond),
					},
				},
			},
		}
		assert.NoError(t, store.CreateService(tx, j1))
		return nil
	})
	assert.NoError(t, err)

	// Start the orchestrator.
	go func() {
		assert.NoError(t, orchestrator.Run(ctx))
	}()

	observedTask1 := watchTaskCreate(t, watch)
	assert.Equal(t, observedTask1.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask1.ServiceAnnotations.Name, "name1")

	observedTask2 := watchTaskCreate(t, watch)
	assert.Equal(t, observedTask2.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask2.ServiceAnnotations.Name, "name1")

	// Fail the first task. Confirm that it gets restarted.
	updatedTask1 := observedTask1.Copy()
	updatedTask1.Status = api.TaskStatus{State: api.TaskStateFailed}
	before := time.Now()
	err = s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.UpdateTask(tx, updatedTask1))
		return nil
	})
	assert.NoError(t, err)
	expectCommit(t, watch)
	expectTaskUpdate(t, watch)
	expectCommit(t, watch)
	expectTaskUpdate(t, watch)

	observedTask3 := watchTaskCreate(t, watch)
	expectCommit(t, watch)
	assert.Equal(t, observedTask3.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask3.DesiredState, api.TaskStateReady)
	assert.Equal(t, observedTask3.ServiceAnnotations.Name, "name1")

	observedTask4 := watchTaskUpdate(t, watch)
	after := time.Now()

	// At least 100 ms should have elapsed. Only check the lower bound,
	// because the system may be slow and it could have taken longer.
	if after.Sub(before) < 100*time.Millisecond {
		t.Fatal("restart delay should have elapsed")
	}

	assert.Equal(t, observedTask4.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask4.DesiredState, api.TaskStateRunning)
	assert.Equal(t, observedTask4.ServiceAnnotations.Name, "name1")

	// Fail the second task. Confirm that it gets restarted.
	updatedTask2 := observedTask2.Copy()
	updatedTask2.Status = api.TaskStatus{State: api.TaskStateFailed}
	before = time.Now()
	err = s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.UpdateTask(tx, updatedTask2))
		return nil
	})
	assert.NoError(t, err)
	expectCommit(t, watch)
	expectTaskUpdate(t, watch)
	expectCommit(t, watch)
	expectTaskUpdate(t, watch)

	observedTask5 := watchTaskCreate(t, watch)
	expectCommit(t, watch)
	assert.Equal(t, observedTask5.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask5.DesiredState, api.TaskStateReady)
	assert.Equal(t, observedTask5.ServiceAnnotations.Name, "name1")

	observedTask6 := watchTaskUpdate(t, watch) // task gets started after a delay
	expectCommit(t, watch)
	assert.Equal(t, observedTask6.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask6.DesiredState, api.TaskStateRunning)
	assert.Equal(t, observedTask6.ServiceAnnotations.Name, "name1")

	// Fail the first instance again. It should not be restarted.
	updatedTask1 = observedTask3.Copy()
	updatedTask1.Status = api.TaskStatus{State: api.TaskStateFailed}
	before = time.Now()
	err = s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.UpdateTask(tx, updatedTask1))
		return nil
	})
	assert.NoError(t, err)
	expectTaskUpdate(t, watch)
	expectCommit(t, watch)
	expectTaskUpdate(t, watch)
	expectCommit(t, watch)

	select {
	case <-watch:
		t.Fatal("got unexpected event")
	case <-time.After(200 * time.Millisecond):
	}

	time.Sleep(time.Second)

	// Fail the second instance again. It should get restarted because
	// enough time has elapsed since the last restarts.
	updatedTask2 = observedTask5.Copy()
	updatedTask2.Status = api.TaskStatus{State: api.TaskStateFailed}
	before = time.Now()
	err = s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.UpdateTask(tx, updatedTask2))
		return nil
	})
	assert.NoError(t, err)
	expectTaskUpdate(t, watch)
	expectCommit(t, watch)
	expectTaskUpdate(t, watch)

	observedTask7 := watchTaskCreate(t, watch)
	expectCommit(t, watch)
	assert.Equal(t, observedTask7.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask7.DesiredState, api.TaskStateReady)

	observedTask8 := watchTaskUpdate(t, watch)
	after = time.Now()

	// At least 100 ms should have elapsed. Only check the lower bound,
	// because the system may be slow and it could have taken longer.
	if after.Sub(before) < 100*time.Millisecond {
		t.Fatal("restart delay should have elapsed")
	}

	assert.Equal(t, observedTask8.Status.State, api.TaskStateNew)
	assert.Equal(t, observedTask8.DesiredState, api.TaskStateRunning)
	assert.Equal(t, observedTask8.ServiceAnnotations.Name, "name1")
}
示例#18
0
func TestDrain(t *testing.T) {
	ctx := context.Background()
	initialService := &api.Service{
		ID: "id1",
		Spec: api.ServiceSpec{
			Annotations: api.Annotations{
				Name: "name1",
			},
			Task: api.TaskSpec{
				Runtime: &api.TaskSpec_Container{
					Container: &api.ContainerSpec{},
				},
				Restart: &api.RestartPolicy{
					Condition: api.RestartOnNone,
				},
			},
			Mode: &api.ServiceSpec_Replicated{
				Replicated: &api.ReplicatedService{
					Replicas: 6,
				},
			},
		},
	}
	initialNodeSet := []*api.Node{
		{
			ID: "id1",
			Spec: api.NodeSpec{
				Annotations: api.Annotations{
					Name: "name1",
				},
				Availability: api.NodeAvailabilityActive,
			},
			Status: api.NodeStatus{
				State: api.NodeStatus_READY,
			},
		},
		{
			ID: "id2",
			Spec: api.NodeSpec{
				Annotations: api.Annotations{
					Name: "name2",
				},
				Availability: api.NodeAvailabilityActive,
			},
			Status: api.NodeStatus{
				State: api.NodeStatus_DOWN,
			},
		},
		// We should NOT kick out tasks on UNKNOWN nodes.
		{
			ID: "id3",
			Spec: api.NodeSpec{
				Annotations: api.Annotations{
					Name: "name3",
				},
				Availability: api.NodeAvailabilityActive,
			},
			Status: api.NodeStatus{
				State: api.NodeStatus_UNKNOWN,
			},
		},
		{
			ID: "id4",
			Spec: api.NodeSpec{
				Annotations: api.Annotations{
					Name: "name4",
				},
				Availability: api.NodeAvailabilityPause,
			},
			Status: api.NodeStatus{
				State: api.NodeStatus_READY,
			},
		},
		{
			ID: "id5",
			Spec: api.NodeSpec{
				Annotations: api.Annotations{
					Name: "name5",
				},
				Availability: api.NodeAvailabilityDrain,
			},
			Status: api.NodeStatus{
				State: api.NodeStatus_READY,
			},
		},
	}

	initialTaskSet := []*api.Task{
		// Task not assigned to any node
		{
			ID: "id0",
			Status: api.TaskStatus{
				State: api.TaskStateNew,
			},
			Slot: 1,
			ServiceAnnotations: api.Annotations{
				Name: "name0",
			},
			ServiceID: "id1",
		},
		// Tasks assigned to the nodes defined above
		{
			ID: "id1",
			Status: api.TaskStatus{
				State: api.TaskStateNew,
			},
			Slot: 2,
			ServiceAnnotations: api.Annotations{
				Name: "name1",
			},
			ServiceID: "id1",
			NodeID:    "id1",
		},
		{
			ID: "id2",
			Status: api.TaskStatus{
				State: api.TaskStateNew,
			},
			Slot: 3,
			ServiceAnnotations: api.Annotations{
				Name: "name2",
			},
			ServiceID: "id1",
			NodeID:    "id2",
		},
		{
			ID: "id3",
			Status: api.TaskStatus{
				State: api.TaskStateNew,
			},
			Slot: 4,
			ServiceAnnotations: api.Annotations{
				Name: "name3",
			},
			ServiceID: "id1",
			NodeID:    "id3",
		},
		{
			ID: "id4",
			Status: api.TaskStatus{
				State: api.TaskStateNew,
			},
			Slot: 5,
			ServiceAnnotations: api.Annotations{
				Name: "name4",
			},
			ServiceID: "id1",
			NodeID:    "id4",
		},
		{
			ID: "id5",
			Status: api.TaskStatus{
				State: api.TaskStateNew,
			},
			Slot: 6,
			ServiceAnnotations: api.Annotations{
				Name: "name5",
			},
			ServiceID: "id1",
			NodeID:    "id5",
		},
	}

	s := store.NewMemoryStore(nil)
	assert.NotNil(t, s)
	defer s.Close()

	err := s.Update(func(tx store.Tx) error {
		// Prepopulate service
		assert.NoError(t, store.CreateService(tx, initialService))
		// Prepoulate nodes
		for _, n := range initialNodeSet {
			assert.NoError(t, store.CreateNode(tx, n))
		}

		// Prepopulate tasks
		for _, task := range initialTaskSet {
			assert.NoError(t, store.CreateTask(tx, task))
		}
		return nil
	})
	assert.NoError(t, err)

	watch, cancel := state.Watch(s.WatchQueue(), state.EventUpdateTask{})
	defer cancel()

	orchestrator := NewReplicatedOrchestrator(s)
	defer orchestrator.Stop()

	go func() {
		assert.NoError(t, orchestrator.Run(ctx))
	}()

	// id2 and id5 should be killed immediately
	deletion1 := watchShutdownTask(t, watch)
	deletion2 := watchShutdownTask(t, watch)

	assert.Regexp(t, "id(2|5)", deletion1.ID)
	assert.Regexp(t, "id(2|5)", deletion1.NodeID)
	assert.Regexp(t, "id(2|5)", deletion2.ID)
	assert.Regexp(t, "id(2|5)", deletion2.NodeID)

	// Create a new task, assigned to node id2
	err = s.Update(func(tx store.Tx) error {
		task := initialTaskSet[2].Copy()
		task.ID = "newtask"
		task.NodeID = "id2"
		assert.NoError(t, store.CreateTask(tx, task))
		return nil
	})
	assert.NoError(t, err)

	deletion3 := watchShutdownTask(t, watch)
	assert.Equal(t, "newtask", deletion3.ID)
	assert.Equal(t, "id2", deletion3.NodeID)

	// Set node id4 to the DRAINED state
	err = s.Update(func(tx store.Tx) error {
		n := initialNodeSet[3].Copy()
		n.Spec.Availability = api.NodeAvailabilityDrain
		assert.NoError(t, store.UpdateNode(tx, n))
		return nil
	})
	assert.NoError(t, err)

	deletion4 := watchShutdownTask(t, watch)
	assert.Equal(t, "id4", deletion4.ID)
	assert.Equal(t, "id4", deletion4.NodeID)

	// Delete node id1
	err = s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.DeleteNode(tx, "id1"))
		return nil
	})
	assert.NoError(t, err)

	deletion5 := watchShutdownTask(t, watch)
	assert.Equal(t, "id1", deletion5.ID)
	assert.Equal(t, "id1", deletion5.NodeID)
}
示例#19
0
func TestUpdater(t *testing.T) {
	ctx := context.Background()
	s := store.NewMemoryStore(nil)
	assert.NotNil(t, s)
	defer s.Close()

	// Move tasks to their desired state.
	watch, cancel := state.Watch(s.WatchQueue(), state.EventUpdateTask{})
	defer cancel()
	go func() {
		for {
			select {
			case e := <-watch:
				task := e.(state.EventUpdateTask).Task
				if task.Status.State == task.DesiredState {
					continue
				}
				err := s.Update(func(tx store.Tx) error {
					task = store.GetTask(tx, task.ID)
					task.Status.State = task.DesiredState
					return store.UpdateTask(tx, task)
				})
				assert.NoError(t, err)
			}
		}
	}()

	instances := 3
	cluster := &api.Cluster{
		// test cluster configuration propagation to task creation.
		Spec: api.ClusterSpec{
			Annotations: api.Annotations{
				Name: "default",
			},
		},
	}

	service := &api.Service{
		ID: "id1",
		Spec: api.ServiceSpec{
			Annotations: api.Annotations{
				Name: "name1",
			},
			Mode: &api.ServiceSpec_Replicated{
				Replicated: &api.ReplicatedService{
					Replicas: uint64(instances),
				},
			},
			Task: api.TaskSpec{
				Runtime: &api.TaskSpec_Container{
					Container: &api.ContainerSpec{
						Image: "v:1",
					},
				},
			},
			Update: &api.UpdateConfig{
				// avoid having Run block for a long time to watch for failures
				Monitor: gogotypes.DurationProto(50 * time.Millisecond),
			},
		},
	}

	err := s.Update(func(tx store.Tx) error {
		assert.NoError(t, store.CreateCluster(tx, cluster))
		assert.NoError(t, store.CreateService(tx, service))
		for i := 0; i < instances; i++ {
			assert.NoError(t, store.CreateTask(tx, orchestrator.NewTask(cluster, service, uint64(i), "")))
		}
		return nil
	})
	assert.NoError(t, err)

	originalTasks := getRunnableSlotSlice(t, s, service)
	for _, slot := range originalTasks {
		for _, task := range slot {
			assert.Equal(t, "v:1", task.Spec.GetContainer().Image)
			assert.Nil(t, task.LogDriver) // should be left alone
		}
	}

	service.Spec.Task.GetContainer().Image = "v:2"
	service.Spec.Task.LogDriver = &api.Driver{Name: "tasklogdriver"}
	updater := NewUpdater(s, restart.NewSupervisor(s), cluster, service)
	updater.Run(ctx, getRunnableSlotSlice(t, s, service))
	updatedTasks := getRunnableSlotSlice(t, s, service)
	for _, slot := range updatedTasks {
		for _, task := range slot {
			assert.Equal(t, "v:2", task.Spec.GetContainer().Image)
			assert.Equal(t, service.Spec.Task.LogDriver, task.LogDriver) // pick up from task
		}
	}

	service.Spec.Task.GetContainer().Image = "v:3"
	cluster.Spec.TaskDefaults.LogDriver = &api.Driver{Name: "clusterlogdriver"} // make cluster default logdriver.
	service.Spec.Update = &api.UpdateConfig{
		Parallelism: 1,
		Monitor:     gogotypes.DurationProto(50 * time.Millisecond),
	}
	updater = NewUpdater(s, restart.NewSupervisor(s), cluster, service)
	updater.Run(ctx, getRunnableSlotSlice(t, s, service))
	updatedTasks = getRunnableSlotSlice(t, s, service)
	for _, slot := range updatedTasks {
		for _, task := range slot {
			assert.Equal(t, "v:3", task.Spec.GetContainer().Image)
			assert.Equal(t, service.Spec.Task.LogDriver, task.LogDriver) // still pick up from task
		}
	}

	service.Spec.Task.GetContainer().Image = "v:4"
	service.Spec.Task.LogDriver = nil // use cluster default now.
	service.Spec.Update = &api.UpdateConfig{
		Parallelism: 1,
		Delay:       10 * time.Millisecond,
		Monitor:     gogotypes.DurationProto(50 * time.Millisecond),
	}
	updater = NewUpdater(s, restart.NewSupervisor(s), cluster, service)
	updater.Run(ctx, getRunnableSlotSlice(t, s, service))
	updatedTasks = getRunnableSlotSlice(t, s, service)
	for _, slot := range updatedTasks {
		for _, task := range slot {
			assert.Equal(t, "v:4", task.Spec.GetContainer().Image)
			assert.Equal(t, cluster.Spec.TaskDefaults.LogDriver, task.LogDriver) // pick up from cluster
		}
	}
}