Golang models.Serial函數代碼示例

func NewValidDesiredLRP(guid string) *models.DesiredLRP {
	myRouterJSON := json.RawMessage(`{"foo":"bar"}`)
	modTag := models.NewModificationTag("epoch", 0)
	desiredLRP := &models.DesiredLRP{
		ProcessGuid:          guid,
		Domain:               "some-domain",
		RootFs:               "some:rootfs",
		Instances:            1,
		EnvironmentVariables: []*models.EnvironmentVariable{{Name: "FOO", Value: "bar"}},
		CachedDependencies: []*models.CachedDependency{
			{Name: "app bits", From: "blobstore.com/bits/app-bits", To: "/usr/local/app", CacheKey: "cache-key", LogSource: "log-source"},
			{Name: "app bits with checksum", From: "blobstore.com/bits/app-bits-checksum", To: "/usr/local/app-checksum", CacheKey: "cache-key", LogSource: "log-source", ChecksumAlgorithm: "md5", ChecksumValue: "checksum-value"},
		},
		Setup:          models.WrapAction(&models.RunAction{Path: "ls", User: "name"}),
		Action:         models.WrapAction(&models.RunAction{Path: "ls", User: "name"}),
		StartTimeoutMs: 15000,
		Monitor: models.WrapAction(models.EmitProgressFor(
			models.Timeout(models.Try(models.Parallel(models.Serial(&models.RunAction{Path: "ls", User: "name"}))),
				10*time.Second,
			),
			"start-message",
			"success-message",
			"failure-message",
		)),
		DiskMb:      512,
		MemoryMb:    1024,
		CpuWeight:   42,
		Routes:      &models.Routes{"my-router": &myRouterJSON},
		LogSource:   "some-log-source",
		LogGuid:     "some-log-guid",
		MetricsGuid: "some-metrics-guid",
		Annotation:  "some-annotation",
		Network: &models.Network{
			Properties: map[string]string{
				"some-key":       "some-value",
				"some-other-key": "some-other-value",
			},
		},
		EgressRules: []*models.SecurityGroupRule{{
			Protocol:     models.TCPProtocol,
			Destinations: []string{"1.1.1.1/32", "2.2.2.2/32"},
			PortRange:    &models.PortRange{Start: 10, End: 16000},
		}},
		ModificationTag:               &modTag,
		LegacyDownloadUser:            "legacy-dan",
		TrustedSystemCertificatesPath: "/etc/somepath",
		VolumeMounts: []*models.VolumeMount{
			{
				Driver:        "my-driver",
				VolumeId:      "my-volume",
				ContainerPath: "/mnt/mypath",
				Mode:          models.BindMountMode_RO,
			},
		},
	}
	err := desiredLRP.Validate()
	Expect(err).NotTo(HaveOccurred())

	return desiredLRP
}

func NewValidDesiredLRP(guid string) *models.DesiredLRP {
	myRouterJSON := json.RawMessage(`{"foo":"bar"}`)
	modTag := models.NewModificationTag("epoch", 0)
	desiredLRP := &models.DesiredLRP{
		ProcessGuid:          guid,
		Domain:               "some-domain",
		RootFs:               "some:rootfs",
		Instances:            1,
		EnvironmentVariables: []*models.EnvironmentVariable{{Name: "FOO", Value: "bar"}},
		Setup:                models.WrapAction(&models.RunAction{Path: "ls", User: "name"}),
		Action:               models.WrapAction(&models.RunAction{Path: "ls", User: "name"}),
		StartTimeout:         15,
		Monitor: models.WrapAction(models.EmitProgressFor(
			models.Timeout(models.Try(models.Parallel(models.Serial(&models.RunAction{Path: "ls", User: "name"}))),
				10*time.Second,
			),
			"start-message",
			"success-message",
			"failure-message",
		)),
		DiskMb:      512,
		MemoryMb:    1024,
		CpuWeight:   42,
		Routes:      &models.Routes{"my-router": &myRouterJSON},
		LogSource:   "some-log-source",
		LogGuid:     "some-log-guid",
		MetricsGuid: "some-metrics-guid",
		Annotation:  "some-annotation",
		EgressRules: []*models.SecurityGroupRule{{
			Protocol:     models.TCPProtocol,
			Destinations: []string{"1.1.1.1/32", "2.2.2.2/32"},
			PortRange:    &models.PortRange{Start: 10, End: 16000},
		}},
		ModificationTag: &modTag,
	}
	err := desiredLRP.Validate()
	Expect(err).NotTo(HaveOccurred())

	return desiredLRP
}

		Context("once the state has been synced with CC", func() {
			JustBeforeEach(func() {
				Eventually(func() ([]*models.DesiredLRP, error) { return bbsClient.DesiredLRPs(models.DesiredLRPFilter{}) }, 5).Should(HaveLen(3))
			})

			It("it (adds), (updates), and (removes extra) LRPs", func() {
				defaultNofile := recipebuilder.DefaultFileDescriptorLimit
				nofile := uint64(16)

				expectedSetupActions1 := models.Serial(
					&models.DownloadAction{
						From:     "http://file-server.com/v1/static/some-health-check.tar.gz",
						To:       "/tmp/lifecycle",
						CacheKey: "buildpack-some-stack-lifecycle",
						User:     "vcap",
					},
					&models.DownloadAction{
						From:     "source-url-1",
						To:       ".",
						CacheKey: "droplets-process-guid-1",
						User:     "vcap",
					},
				)

				expectedSetupActions2 := models.Serial(
					&models.DownloadAction{
						From:     "http://file-server.com/v1/static/some-health-check.tar.gz",
						To:       "/tmp/lifecycle",
						CacheKey: "buildpack-some-stack-lifecycle",
						User:     "vcap",
					},
					&models.DownloadAction{

//.........這裏部分代碼省略.........
					Artifact: "build artifacts cache",
					From:     downloadURL.String(),
					To:       builderConfig.BuildArtifactsCacheDir(),
					User:     "vcap",
				},
			),
		)
		downloadNames = append(downloadNames, "build artifacts cache")
	}

	downloadMsg := downloadMsgPrefix + fmt.Sprintf("Downloading %s...", strings.Join(downloadNames, ", "))
	actions = append(actions, models.EmitProgressFor(models.Parallel(downloadActions...), downloadMsg, "Downloaded buildpacks", "Downloading buildpacks failed"))

	fileDescriptorLimit := uint64(request.FileDescriptors)

	//Run Builder
	runEnv := append(request.Environment, &models.EnvironmentVariable{"CF_STACK", lifecycleData.Stack})
	actions = append(
		actions,
		models.EmitProgressFor(
			&models.RunAction{
				User: "vcap",
				Path: builderConfig.Path(),
				Args: builderConfig.Args(),
				Env:  runEnv,
				ResourceLimits: &models.ResourceLimits{
					Nofile: &fileDescriptorLimit,
				},
			},
			"Staging...",
			"Staging complete",
			"Staging failed",
		),
	)

	//Upload Droplet
	uploadActions := []models.ActionInterface{}
	uploadNames := []string{}
	uploadURL, err := backend.dropletUploadURL(request, lifecycleData)
	if err != nil {
		return &models.TaskDefinition{}, "", "", err
	}

	uploadActions = append(
		uploadActions,
		&models.UploadAction{
			Artifact: "droplet",
			From:     builderConfig.OutputDroplet(), // get the droplet
			To:       addTimeoutParamToURL(*uploadURL, timeout).String(),
			User:     "vcap",
		},
	)
	uploadNames = append(uploadNames, "droplet")

	//Upload Buildpack Artifacts Cache
	uploadURL, err = backend.buildArtifactsUploadURL(request, lifecycleData)
	if err != nil {
		return &models.TaskDefinition{}, "", "", err
	}

	uploadActions = append(uploadActions,
		models.Try(
			&models.UploadAction{
				Artifact: "build artifacts cache",
				From:     builderConfig.OutputBuildArtifactsCache(), // get the compressed build artifacts cache
				To:       addTimeoutParamToURL(*uploadURL, timeout).String(),
				User:     "vcap",
			},
		),
	)
	uploadNames = append(uploadNames, "build artifacts cache")

	uploadMsg := fmt.Sprintf("Uploading %s...", strings.Join(uploadNames, ", "))
	actions = append(actions, models.EmitProgressFor(models.Parallel(uploadActions...), uploadMsg, "Uploading complete", "Uploading failed"))

	annotationJson, _ := json.Marshal(cc_messages.StagingTaskAnnotation{
		Lifecycle:          TraditionalLifecycleName,
		CompletionCallback: request.CompletionCallback,
	})

	taskDefinition := &models.TaskDefinition{
		RootFs:                models.PreloadedRootFS(lifecycleData.Stack),
		ResultFile:            builderConfig.OutputMetadata(),
		MemoryMb:              int32(request.MemoryMB),
		DiskMb:                int32(request.DiskMB),
		CpuWeight:             uint32(StagingTaskCpuWeight),
		Action:                models.WrapAction(models.Timeout(models.Serial(actions...), timeout)),
		LogGuid:               request.LogGuid,
		LogSource:             TaskLogSource,
		CompletionCallbackUrl: backend.config.CallbackURL(stagingGuid),
		EgressRules:           request.EgressRules,
		Annotation:            string(annotationJson),
		Privileged:            true,
		EnvironmentVariables:  []*models.EnvironmentVariable{{"LANG", DefaultLANG}},
	}

	logger.Debug("staging-task-request")

	return taskDefinition, stagingGuid, backend.config.TaskDomain, nil
}

//.........這裏部分代碼省略.........
			desiredApp.StartCommand,
			desiredApp.ExecutionMetadata,
		),
		Env:       createLrpEnv(desiredApp.Environment, desiredAppPorts[0]),
		LogSource: AppLogSource,
		ResourceLimits: &models.ResourceLimits{
			Nofile: &numFiles,
		},
	})

	desiredAppRoutingInfo, err := helpers.CCRouteInfoToRoutes(desiredApp.RoutingInfo, desiredAppPorts)
	if err != nil {
		buildLogger.Error("marshaling-cc-route-info-failed", err)
		return nil, err
	}

	if desiredApp.AllowSSH {
		hostKeyPair, err := b.config.KeyFactory.NewKeyPair(1024)
		if err != nil {
			buildLogger.Error("new-host-key-pair-failed", err)
			return nil, err
		}

		userKeyPair, err := b.config.KeyFactory.NewKeyPair(1024)
		if err != nil {
			buildLogger.Error("new-user-key-pair-failed", err)
			return nil, err
		}

		actions = append(actions, &models.RunAction{
			User: "vcap",
			Path: "/tmp/lifecycle/diego-sshd",
			Args: []string{
				"-address=" + fmt.Sprintf("0.0.0.0:%d", DefaultSSHPort),
				"-hostKey=" + hostKeyPair.PEMEncodedPrivateKey(),
				"-authorizedKey=" + userKeyPair.AuthorizedKey(),
				"-inheritDaemonEnv",
				"-logLevel=fatal",
			},
			Env: createLrpEnv(desiredApp.Environment, desiredAppPorts[0]),
			ResourceLimits: &models.ResourceLimits{
				Nofile: &numFiles,
			},
		})

		sshRoutePayload, err := json.Marshal(ssh_routes.SSHRoute{
			ContainerPort:   2222,
			PrivateKey:      userKeyPair.PEMEncodedPrivateKey(),
			HostFingerprint: hostKeyPair.Fingerprint(),
		})

		if err != nil {
			buildLogger.Error("marshaling-ssh-route-failed", err)
			return nil, err
		}

		sshRouteMessage := json.RawMessage(sshRoutePayload)
		desiredAppRoutingInfo[ssh_routes.DIEGO_SSH] = &sshRouteMessage
		desiredAppPorts = append(desiredAppPorts, DefaultSSHPort)
	}

	setupAction := models.Serial(setup...)
	actionAction := models.Codependent(actions...)

	return &models.DesiredLRP{
		Privileged: true,

		Domain: cc_messages.AppLRPDomain,

		ProcessGuid: lrpGuid,
		Instances:   int32(desiredApp.NumInstances),
		Routes:      &desiredAppRoutingInfo,
		Annotation:  desiredApp.ETag,

		CpuWeight: cpuWeight(desiredApp.MemoryMB),

		MemoryMb: int32(desiredApp.MemoryMB),
		DiskMb:   int32(desiredApp.DiskMB),

		Ports: desiredAppPorts,

		RootFs: rootFSPath,

		LogGuid:   desiredApp.LogGuid,
		LogSource: LRPLogSource,

		MetricsGuid: desiredApp.LogGuid,

		EnvironmentVariables: containerEnvVars,
		CachedDependencies:   cachedDependencies,
		Setup:                models.WrapAction(setupAction),
		Action:               models.WrapAction(actionAction),
		Monitor:              models.WrapAction(monitor),

		StartTimeout: uint32(desiredApp.HealthCheckTimeoutInSeconds),

		EgressRules:        desiredApp.EgressRules,
		LegacyDownloadUser: "vcap",
	}, nil
}

func (b *BuildpackRecipeBuilder) BuildTask(task *cc_messages.TaskRequestFromCC) (*models.TaskDefinition, error) {
	logger := b.logger.Session("build-task", lager.Data{"request": task})

	if task.DropletUri == "" {
		logger.Error("missing-droplet-source", ErrDropletSourceMissing)
		return nil, ErrDropletSourceMissing
	}

	if task.DockerPath != "" {
		logger.Error("invalid-docker-path", ErrMultipleAppSources)
		return nil, ErrMultipleAppSources
	}

	downloadAction := &models.DownloadAction{
		From:     task.DropletUri,
		To:       ".",
		CacheKey: "",
		User:     "vcap",
	}

	runAction := &models.RunAction{
		User:           "vcap",
		Path:           "/tmp/lifecycle/launcher",
		Args:           []string{"app", task.Command, ""},
		Env:            task.EnvironmentVariables,
		LogSource:      "TASK",
		ResourceLimits: &models.ResourceLimits{},
	}

	var lifecycle = "buildpack/" + task.RootFs
	lifecyclePath, ok := b.config.Lifecycles[lifecycle]
	if !ok {
		logger.Error("unknown-lifecycle", ErrNoLifecycleDefined, lager.Data{
			"lifecycle": lifecycle,
		})

		return nil, ErrNoLifecycleDefined
	}

	lifecycleURL := lifecycleDownloadURL(lifecyclePath, b.config.FileServerURL)

	cachedDependencies := []*models.CachedDependency{
		&models.CachedDependency{
			From:     lifecycleURL,
			To:       "/tmp/lifecycle",
			CacheKey: fmt.Sprintf("%s-lifecycle", strings.Replace(lifecycle, "/", "-", 1)),
		},
	}

	rootFSPath := models.PreloadedRootFS(task.RootFs)

	taskDefinition := &models.TaskDefinition{
		Privileged:            true,
		LogGuid:               task.LogGuid,
		MemoryMb:              int32(task.MemoryMb),
		DiskMb:                int32(task.DiskMb),
		CpuWeight:             cpuWeight(task.MemoryMb),
		EnvironmentVariables:  task.EnvironmentVariables,
		RootFs:                rootFSPath,
		CompletionCallbackUrl: task.CompletionCallbackUrl,
		Action: models.WrapAction(models.Serial(
			downloadAction,
			runAction,
		)),
		CachedDependencies: cachedDependencies,
		EgressRules:        task.EgressRules,
		LegacyDownloadUser: "vcap",
	}

	return taskDefinition, nil
}

								"resource_limits": {},
								"path": "echo",
								"user": "me"
							}
						}
					]
			}`,
			models.Serial(
				&models.Action{
					DownloadAction: &models.DownloadAction{
						From:     "web_location",
						To:       "local_location",
						CacheKey: "elephant",
						User:     "someone",
					},
				},
				&models.Action{
					RunAction: &models.RunAction{
						Path:           "echo",
						User:           "me",
						ResourceLimits: &models.ResourceLimits{},
					},
				},
			),
		)

		itSerializesAndDeserializes(
			`{}`,
			models.WrapAction(&models.SerialAction{}),
		)

			}
			defaultNofile := recipebuilder.DefaultFileDescriptorLimit
			nofile := uint64(32)

			expectedCachedDependencies := []*models.CachedDependency{
				{
					From:     "http://file-server.com/v1/static/some-health-check.tar.gz",
					To:       "/tmp/lifecycle",
					CacheKey: "buildpack-some-stack-lifecycle",
				},
			}

			expectedSetupActions := models.Serial(
				&models.DownloadAction{
					From:     "http://the-droplet.uri.com",
					To:       ".",
					CacheKey: "droplets-the-guid",
					User:     "vcap",
				},
			)
			desiredLrpWithoutModificationTag := desiredLrps[0]
			desiredLrpWithoutModificationTag.ModificationTag = nil
			Expect(desiredLrpWithoutModificationTag).To(Equal(&models.DesiredLRP{
				ProcessGuid:  "the-guid",
				Domain:       "cf-apps",
				Instances:    3,
				RootFs:       models.PreloadedRootFS("some-stack"),
				StartTimeout: 123456,
				EnvironmentVariables: []*models.EnvironmentVariable{
					{Name: "LANG", Value: recipebuilder.DefaultLANG},
				},
				CachedDependencies: expectedCachedDependencies,

				Expect(desiredLRP.DiskMb).To(BeEquivalentTo(512))
				Expect(desiredLRP.Ports).To(Equal([]uint32{8080}))
				Expect(desiredLRP.Privileged).To(BeTrue())
				Expect(desiredLRP.StartTimeout).To(BeEquivalentTo(123456))

				Expect(desiredLRP.LogGuid).To(Equal("the-log-id"))
				Expect(desiredLRP.LogSource).To(Equal("CELL"))

				Expect(desiredLRP.EnvironmentVariables).To(ConsistOf(&models.EnvironmentVariable{"LANG", recipebuilder.DefaultLANG}))

				Expect(desiredLRP.MetricsGuid).To(Equal("the-log-id"))

				expectedSetup := models.Serial(
					&models.DownloadAction{
						From:     "http://the-droplet.uri.com",
						To:       ".",
						CacheKey: "droplets-the-app-guid-the-app-version",
						User:     "vcap",
					},
				)
				Expect(desiredLRP.Setup.GetValue()).To(Equal(expectedSetup))

				expectedCacheDependencies := []*models.CachedDependency{
					&models.CachedDependency{
						From:     "http://file-server.com/v1/static/some-lifecycle.tgz",
						To:       "/tmp/lifecycle",
						CacheKey: "buildpack-some-stack-lifecycle",
					},
				}
				Expect(desiredLRP.CachedDependencies).To(BeEquivalentTo(expectedCacheDependencies))
				Expect(desiredLRP.LegacyDownloadUser).To(Equal("vcap"))

			Expect(desiredLRP.DiskMb).To(BeEquivalentTo(512))
			Expect(desiredLRP.Ports).To(Equal([]uint32{8080}))
			Expect(desiredLRP.Privileged).To(BeFalse())
			Expect(desiredLRP.StartTimeout).To(BeEquivalentTo(123456))

			Expect(desiredLRP.LogGuid).To(Equal("the-log-id"))
			Expect(desiredLRP.LogSource).To(Equal("CELL"))

			Expect(desiredLRP.EnvironmentVariables).NotTo(ConsistOf(&models.EnvironmentVariable{"LANG", recipebuilder.DefaultLANG}))

			Expect(desiredLRP.MetricsGuid).To(Equal("the-log-id"))

			expectedSetup := models.Serial(
				&models.DownloadAction{
					From:     "http://file-server.com/v1/static/the/docker/lifecycle/path.tgz",
					To:       "/tmp/lifecycle",
					CacheKey: "docker-lifecycle",
					User:     "root",
				},
			)
			Expect(desiredLRP.Setup.GetValue()).To(Equal(expectedSetup))

			parallelRunAction := desiredLRP.Action.CodependentAction
			Expect(parallelRunAction.Actions).To(HaveLen(1))

			runAction := parallelRunAction.Actions[0].RunAction

			Expect(desiredLRP.Monitor.GetValue()).To(Equal(models.Timeout(
				&models.ParallelAction{
					Actions: []*models.Action{
						&models.Action{
							RunAction: &models.RunAction{

		}))

		actions := actionsFromTaskDef(taskDef)
		Expect(actions).To(Equal(models.Serial(
			downloadAppAction,
			models.EmitProgressFor(
				models.Parallel(
					downloadBuilderAction,
					downloadFirstBuildpackAction,
					downloadSecondBuildpackAction,
					downloadBuildArtifactsAction,
				),
				"No buildpack specified; fetching standard buildpacks to detect and build your application.\n"+
					"Downloading buildpacks (zfirst, asecond), build artifacts cache...",
				"Downloaded buildpacks",
				"Downloading buildpacks failed",
			),
			runAction,
			models.EmitProgressFor(
				models.Parallel(
					uploadDropletAction,
					uploadBuildArtifactsAction,
				),
				"Uploading droplet, build artifacts cache...",
				"Uploading complete",
				"Uploading failed",
			),
		).Actions))

		Expect(taskDef.MemoryMb).To(Equal(memoryMb))
		Expect(taskDef.DiskMb).To(Equal(diskMb))

			)

			BeforeEach(func() {
				processGuid = "process-guid-1"
				desiredLRP = model_helpers.NewValidDesiredLRP(processGuid)
				desiredLRP.DeprecatedStartTimeoutS = 15
				desiredLRP.Action = models.WrapAction(&models.TimeoutAction{Action: models.WrapAction(&models.RunAction{Path: "ls", User: "name"}),
					DeprecatedTimeoutNs: 4 * int64(time.Second),
				})

				desiredLRP.Setup = models.WrapAction(&models.TimeoutAction{Action: models.WrapAction(&models.RunAction{Path: "ls", User: "name"}),
					DeprecatedTimeoutNs: 7 * int64(time.Second),
				})
				desiredLRP.Monitor = models.WrapAction(models.EmitProgressFor(
					&models.TimeoutAction{
						Action:              models.WrapAction(models.Try(models.Parallel(models.Serial(&models.RunAction{Path: "ls", User: "name"})))),
						DeprecatedTimeoutNs: 10 * int64(time.Second),
					},
					"start-message",
					"success-message",
					"failure-message",
				))
			})

			JustBeforeEach(func() {
				schedulingInfo, runInfo := desiredLRP.CreateComponents(fakeClock.Now())
				runInfo.DeprecatedStartTimeoutS = 15

				_, err := json.Marshal(desiredLRP.Routes)
				Expect(err).NotTo(HaveOccurred())

	})

	var newValidDesiredLRP = func(guid string) *models.DesiredLRP {
		myRouterJSON := json.RawMessage(`{"foo":"bar"}`)
		modTag := models.NewModificationTag("epoch", 0)
		desiredLRP := &models.DesiredLRP{
			ProcessGuid:             guid,
			Domain:                  "some-domain",
			RootFs:                  "some:rootfs",
			Instances:               1,
			EnvironmentVariables:    []*models.EnvironmentVariable{{Name: "FOO", Value: "bar"}},
			Setup:                   models.WrapAction(&models.RunAction{Path: "ls", User: "name"}),
			Action:                  models.WrapAction(&models.RunAction{Path: "ls", User: "name"}),
			DeprecatedStartTimeoutS: 15,
			Monitor: models.WrapAction(models.EmitProgressFor(
				models.Timeout(models.Try(models.Parallel(models.Serial(&models.RunAction{Path: "ls", User: "name"}))),
					10*time.Second,
				),
				"start-message",
				"success-message",
				"failure-message",
			)),
			DiskMb:      512,
			MemoryMb:    1024,
			CpuWeight:   42,
			Routes:      &models.Routes{"my-router": &myRouterJSON},
			LogSource:   "some-log-source",
			LogGuid:     "some-log-guid",
			MetricsGuid: "some-metrics-guid",
			Annotation:  "some-annotation",
			EgressRules: []*models.SecurityGroupRule{{

		BeforeEach(func() {
			newlyDesiredTask = &models.TaskDefinition{
				LogGuid:  "some-log-guid",
				MemoryMb: 128,
				DiskMb:   512,
				EnvironmentVariables: []*models.EnvironmentVariable{
					{Name: "foo", Value: "bar"},
					{Name: "VCAP_APPLICATION", Value: "{\"application_name\":\"my-app\"}"},
				},
				RootFs:                "http://docker-image.com",
				CompletionCallbackUrl: "http://api.cc.com/v1/tasks/complete",
				Action: models.WrapAction(models.Serial(
					&models.DownloadAction{
						From:     taskRequest.DropletUri,
						To:       ".",
						CacheKey: "",
						User:     "vcap",
					},
					&models.RunAction{},
				)),
			}

			buildpackBuilder.BuildTaskReturns(newlyDesiredTask, nil)
		})

		It("logs the incoming and outgoing request", func() {
			Eventually(logger.TestSink.Buffer).Should(gbytes.Say("serving"))
			Eventually(logger.TestSink.Buffer).Should(gbytes.Say("desiring-task"))
		})

		It("creates the task", func() {

							"run": {
								"resource_limits": {},
								"path": "echo",
								"user": "me",
								"suppress_log_output": false
							}
						}
					]
			}`,
			models.WrapAction(models.Serial(
				&models.DownloadAction{
					From:     "web_location",
					To:       "local_location",
					CacheKey: "elephant",
					User:     "someone",
				},
				&models.RunAction{
					Path:           "echo",
					User:           "me",
					ResourceLimits: &models.ResourceLimits{},
				},
			)),
		)

		Describe("Validate", func() {
			var serialAction *models.SerialAction

			Context("when the action has 'actions' as a slice of valid actions", func() {
				It("is valid", func() {
					serialAction = models.Serial(
						&models.UploadAction{