Golang Container.ExternalIP方法代碼示例

			})
		})

		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"))
			})
		})
	})

	Describe("StackPathMap", func() {
		It("deserializes a valid input", func() {
			stackMapPayload := []byte(`{
				"pancakes": "/path/to/lingonberries",
				"waffles": "/where/is/the/syrup"
			}`)

				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() {

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

				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)
						})

//.........這裏部分代碼省略.........
	}

	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
	}

	for _, securityRule := range executorContainer.EgressRules {
		netOutRule, err := securityGroupRuleToNetOutRule(securityRule)
		if err != nil {
			logger.Error("failed-to-build-net-out-rule", err, lager.Data{"security_group_rule": securityRule})
			return executor.Container{}, err
		}

		logger.Debug("setting-up-net-out")
		err = gardenContainer.NetOut(netOutRule)
		if err != nil {
			logger.Error("failed-setting-up-net-out", err, lager.Data{"net-out-rule": netOutRule})
			exchanger.destroyContainer(logger, gardenClient, gardenContainer)
			return executor.Container{}, err
		}
		logger.Debug("succeeded-setting-up-net-out")
	}

	logger.Debug("getting-garden-container-info")
	info, err := gardenContainer.Info()
	if err != nil {
		logger.Error("failed-getting-garden-container-info", err)

		gardenErr := gardenClient.Destroy(gardenContainer.Handle())
		if gardenErr != nil {
			logger.Error("failed-destroy-garden-container", gardenErr)
		}

		return executor.Container{}, err
	}
	logger.Debug("succeeded-getting-garden-container-info")

	executorContainer.ExternalIP = info.ExternalIP

	return executorContainer, nil
}