Golang Container.Ports方法代碼示例

					Ports: []*models.PortMapping{
						{
							ContainerPort: 1234,
							HostPort:      6789,
						},
					},
					Address: "some-external-ip",
				}

				Expect(*lrpNetInfo).To(Equal(expectedNetInfo))
			})
		})

		Context("when there are no exposed ports", func() {
			BeforeEach(func() {
				container.Ports = nil
			})

			It("does not return an error", func() {
				Expect(netInfoConversionErr).NotTo(HaveOccurred())
			})
		})

		Context("when the executor host is invalid", func() {
			BeforeEach(func() {
				container.ExternalIP = ""
			})

			It("returns an invalid host error", func() {
				Expect(netInfoConversionErr.Error()).To(ContainSubstring("address"))
			})

				})

				Context("and the container is CREATED", func() {
					BeforeEach(func() {
						container.State = executor.StateCreated
					})

					itClaimsTheLRPOrDeletesTheContainer(sessionPrefix + "process-created-container")
				})

				Context("and the container is RUNNING", func() {
					BeforeEach(func() {
						expectedSessionName = sessionPrefix + "process-running-container"
						container.State = executor.StateRunning
						container.ExternalIP = "1.2.3.4"
						container.Ports = []executor.PortMapping{{ContainerPort: 8080, HostPort: 61999}}
					})

					It("starts the lrp", func() {
						Expect(bbsClient.StartActualLRPCallCount()).To(Equal(1))
						lrpKey, instanceKey, netInfo := bbsClient.StartActualLRPArgsForCall(0)
						Expect(*lrpKey).To(Equal(expectedLrpKey))
						Expect(*instanceKey).To(Equal(expectedInstanceKey))
						Expect(*netInfo).To(Equal(expectedNetInfo))
					})

					Context("when starting fails because ErrActualLRPCannotBeStarted", func() {
						BeforeEach(func() {
							bbsClient.StartActualLRPReturns(models.ErrActualLRPCannotBeStarted)
						})

func (exchanger exchanger) CreateInGarden(logger lager.Logger, gardenClient GardenClient, executorContainer executor.Container) (executor.Container, error) {
	logger = logger.Session("create-in-garden", lager.Data{"container-guid": executorContainer.Guid})
	containerSpec := garden.ContainerSpec{
		Handle:     executorContainer.Guid,
		Privileged: executorContainer.Privileged,
		RootFSPath: executorContainer.RootFSPath,
	}

	if executorContainer.MemoryMB != 0 {
		logger.Debug("setting-up-memory-limits")
		containerSpec.Limits.Memory.LimitInBytes = uint64(executorContainer.MemoryMB * 1024 * 1024)
	}

	logger.Debug("setting-up-disk-limits")
	gardenScope := garden.DiskLimitScopeExclusive
	if executorContainer.DiskScope == executor.TotalDiskLimit {
		gardenScope = garden.DiskLimitScopeTotal
	}
	containerSpec.Limits.Disk = garden.DiskLimits{
		ByteHard:  uint64(executorContainer.DiskMB * 1024 * 1024),
		InodeHard: exchanger.containerInodeLimit,
		Scope:     gardenScope,
	}

	logger.Debug("setting-up-cpu-limits")
	containerSpec.Limits.CPU.LimitInShares = uint64(float64(exchanger.containerMaxCPUShares) * float64(executorContainer.CPUWeight) / 100.0)

	logJson, err := json.Marshal(executorContainer.LogConfig)
	if err != nil {
		logger.Error("failed-marshal-log", err)
		return executor.Container{}, err
	}

	metricsConfigJson, err := json.Marshal(executorContainer.MetricsConfig)
	if err != nil {
		logger.Error("failed-marshal-metrics-config", err)
		return executor.Container{}, err
	}

	resultJson, err := json.Marshal(executorContainer.RunResult)
	if err != nil {
		logger.Error("failed-marshal-run-result", err)
		return executor.Container{}, err
	}

	containerSpec.Properties = garden.Properties{
		ContainerOwnerProperty:         exchanger.containerOwnerName,
		ContainerStateProperty:         string(executorContainer.State),
		ContainerAllocatedAtProperty:   fmt.Sprintf("%d", executorContainer.AllocatedAt),
		ContainerStartTimeoutProperty:  fmt.Sprintf("%d", executorContainer.StartTimeout),
		ContainerRootfsProperty:        executorContainer.RootFSPath,
		ContainerLogProperty:           string(logJson),
		ContainerMetricsConfigProperty: string(metricsConfigJson),
		ContainerResultProperty:        string(resultJson),
		ContainerMemoryMBProperty:      fmt.Sprintf("%d", executorContainer.MemoryMB),
		ContainerDiskMBProperty:        fmt.Sprintf("%d", executorContainer.DiskMB),
		ContainerCPUWeightProperty:     fmt.Sprintf("%d", executorContainer.CPUWeight),
	}

	for name, value := range executorContainer.Tags {
		containerSpec.Properties[TagPropertyPrefix+name] = value
	}

	for _, env := range executorContainer.Env {
		containerSpec.Env = append(containerSpec.Env, env.Name+"="+env.Value)
	}

	for _, securityRule := range executorContainer.EgressRules {
		if err := securityRule.Validate(); err != nil {
			logger.Error("invalid-security-rule", err, lager.Data{"security_group_rule": securityRule})
			return executor.Container{}, executor.ErrInvalidSecurityGroup
		}
	}

	logger.Debug("creating-garden-container")
	gardenContainer, err := gardenClient.Create(containerSpec)
	if err != nil {
		logger.Error("failed-creating-garden-container", err)
		return executor.Container{}, err
	}
	logger.Debug("succeeded-creating-garden-container")

	if executorContainer.Ports != nil {
		actualPortMappings := make([]executor.PortMapping, len(executorContainer.Ports))

		logger.Debug("setting-up-ports")
		for i, ports := range executorContainer.Ports {
			actualHostPort, actualContainerPort, err := gardenContainer.NetIn(uint32(ports.HostPort), uint32(ports.ContainerPort))
			if err != nil {
				logger.Error("failed-setting-up-ports", err)
				exchanger.destroyContainer(logger, gardenClient, gardenContainer)
				return executor.Container{}, err
			}

			actualPortMappings[i].ContainerPort = uint16(actualContainerPort)
			actualPortMappings[i].HostPort = uint16(actualHostPort)
		}
		logger.Debug("succeeded-setting-up-ports")

		executorContainer.Ports = actualPortMappings
//.........這裏部分代碼省略.........

				It("deletes the container", func() {
					Expect(fakeContainerDelegate.DeleteContainerCallCount()).To(Equal(1))
					_, actualContainerGuid := fakeContainerDelegate.DeleteContainerArgsForCall(0)
					Expect(actualContainerGuid).To(Equal(container.Guid))
				})
			})
		})

		Context("when the container is Running", func() {
			var lrpNetInfo models.ActualLRPNetInfo

			BeforeEach(func() {
				container.State = executor.StateRunning
				externalIP := "executor-ip"
				container.ExternalIP = externalIP
				container.Ports = []executor.PortMapping{{ContainerPort: 1357, HostPort: 8642}}
				lrpNetInfo = models.NewActualLRPNetInfo(externalIP, models.NewPortMapping(8642, 1357))
			})

			It("evacuates the lrp", func() {
				Expect(fakeBBS.EvacuateRunningActualLRPCallCount()).To(Equal(1))
				actualLRPKey, actualLRPContainerKey, actualLRPNetInfo, actualTTL := fakeBBS.EvacuateRunningActualLRPArgsForCall(0)
				Expect(*actualLRPKey).To(Equal(lrpKey))
				Expect(*actualLRPContainerKey).To(Equal(lrpInstanceKey))
				Expect(*actualLRPNetInfo).To(Equal(lrpNetInfo))
				Expect(actualTTL).To(Equal(uint64(evacuationTTL)))
			})

			Context("when the evacuation returns successfully", func() {
				BeforeEach(func() {
					fakeBBS.EvacuateRunningActualLRPReturns(true, nil)

func garden2executor(handle string, info garden.ContainerInfo) (executor.Container, error) {
	executorContainer := executor.Container{
		Guid:       handle,
		Tags:       executor.Tags{},
		ExternalIP: info.ExternalIP,
	}

	executorContainer.Ports = make([]executor.PortMapping, len(info.MappedPorts))

	for key, value := range info.Properties {
		switch key {
		case ContainerStateProperty:
			state := executor.State(value)

			if state == executor.StateReserved ||
				state == executor.StateInitializing ||
				state == executor.StateCreated ||
				state == executor.StateRunning ||
				state == executor.StateCompleted {
				executorContainer.State = state
			} else {
				return executor.Container{}, InvalidStateError{value}
			}
		case ContainerAllocatedAtProperty:
			_, err := fmt.Sscanf(value, "%d", &executorContainer.AllocatedAt)
			if err != nil {
				return executor.Container{}, MalformedPropertyError{
					Property: ContainerAllocatedAtProperty,
					Value:    value,
				}
			}
		case ContainerRootfsProperty:
			executorContainer.RootFSPath = value
		case ContainerLogProperty:
			err := json.Unmarshal([]byte(value), &executorContainer.LogConfig)
			if err != nil {
				return executor.Container{}, InvalidJSONError{
					Property:     key,
					Value:        value,
					UnmarshalErr: err,
				}
			}
		case ContainerMetricsConfigProperty:
			err := json.Unmarshal([]byte(value), &executorContainer.MetricsConfig)
			if err != nil {
				return executor.Container{}, InvalidJSONError{
					Property:     key,
					Value:        value,
					UnmarshalErr: err,
				}
			}
		case ContainerResultProperty:
			err := json.Unmarshal([]byte(value), &executorContainer.RunResult)
			if err != nil {
				return executor.Container{}, InvalidJSONError{
					Property:     key,
					Value:        value,
					UnmarshalErr: err,
				}
			}
		case ContainerMemoryMBProperty:
			memoryMB, err := strconv.Atoi(value)
			if err != nil {
				return executor.Container{}, MalformedPropertyError{
					Property: key,
					Value:    value,
				}
			}

			executorContainer.MemoryMB = memoryMB
		case ContainerDiskMBProperty:
			diskMB, err := strconv.Atoi(value)
			if err != nil {
				return executor.Container{}, MalformedPropertyError{
					Property: key,
					Value:    value,
				}
			}

			executorContainer.DiskMB = diskMB
		case ContainerCPUWeightProperty:
			cpuWeight, err := strconv.Atoi(value)
			if err != nil {
				return executor.Container{}, MalformedPropertyError{
					Property: key,
					Value:    value,
				}
			}

			executorContainer.CPUWeight = uint(cpuWeight)
		case ContainerStartTimeoutProperty:
			startTimeout, err := strconv.Atoi(value)
			if err != nil {
				return executor.Container{}, MalformedPropertyError{
					Property: key,
					Value:    value,
				}
			}

			executorContainer.StartTimeout = uint(startTimeout)
//.........這裏部分代碼省略.........