Golang ContainerStatus.Image方法代码示例

// getContainerStatus creates the api.containerStatus of a container from the podInfo.
// TODO(yifan): Get more detailed info such as Image, ImageID, etc.
func (p *podInfo) getContainerStatus(container *kubecontainer.Container) api.ContainerStatus {
	var status api.ContainerStatus
	status.Name = container.Name
	status.Image = container.Image
	containerID, _ := parseContainerID(string(container.ID))
	status.ImageID = containerID.imageID

	switch p.state {
	case Running:
		// TODO(yifan): Get StartedAt.
		status.State = api.ContainerState{
			Running: &api.ContainerStateRunning{
				StartedAt: util.Unix(container.Created, 0),
			},
		}
	case Embryo, Preparing, Prepared:
		status.State = api.ContainerState{Waiting: &api.ContainerStateWaiting{}}
	case AbortedPrepare, Deleting, Exited, Garbage:
		exitCode, ok := p.exitCodes[status.ImageID]
		if !ok {
			glog.Warningf("rkt: Cannot get exit code for container %v", container)
		}
		exitCode = -1
		status.State = api.ContainerState{
			Terminated: &api.ContainerStateTerminated{
				ExitCode:  exitCode,
				StartedAt: util.Unix(container.Created, 0),
			},
		}
	default:
		glog.Warningf("rkt: Unknown pod state: %q", p.state)
	}
	return status
}

//.........这里部分代码省略.........
			continue
		}
		terminationMessagePath := c.TerminationMessagePath
		if containerDone.Has(dockerContainerName) {
			continue
		}

		var terminationState *api.ContainerState = nil
		// Inspect the container.
		result := dm.inspectContainer(value.ID, dockerContainerName, terminationMessagePath)
		if result.err != nil {
			return nil, result.err
		} else if result.status.State.Termination != nil {
			terminationState = &result.status.State
		}

		if containerStatus, found := statuses[dockerContainerName]; found {
			if containerStatus.LastTerminationState.Termination == nil && terminationState != nil {
				// Populate the last termination state.
				containerStatus.LastTerminationState = *terminationState
			}
			count := true
			// Only count dead containers terminated after last time we observed,
			if lastObservedTime, ok := lastObservedTime[dockerContainerName]; ok {
				if terminationState != nil && terminationState.Termination.FinishedAt.After(lastObservedTime.Time) {
					count = false
				} else {
					// The container finished before the last observation. No
					// need to examine/count the older containers. Mark the
					// container name as done.
					containerDone.Insert(dockerContainerName)
				}
			}
			if count {
				containerStatus.RestartCount += 1
			}
			continue
		}

		if dockerContainerName == PodInfraContainerName {
			// Found network container
			if result.status.State.Running != nil {
				podStatus.PodIP = result.ip
			}
		} else {
			// Add user container information.
			if oldStatus, found := oldStatuses[dockerContainerName]; found {
				// Use the last observed restart count if it's available.
				result.status.RestartCount = oldStatus.RestartCount
			}
			statuses[dockerContainerName] = &result.status
		}
	}

	// Handle the containers for which we cannot find any associated active or
	// dead docker containers.
	for _, container := range manifest.Containers {
		if _, found := statuses[container.Name]; found {
			continue
		}
		var containerStatus api.ContainerStatus
		containerStatus.Name = container.Name
		containerStatus.Image = container.Image
		if oldStatus, found := oldStatuses[container.Name]; found {
			// Some states may be lost due to GC; apply the last observed
			// values if possible.
			containerStatus.RestartCount = oldStatus.RestartCount
			containerStatus.LastTerminationState = oldStatus.LastTerminationState
		}
		//Check image is ready on the node or not.
		// TODO: If we integrate DockerPuller into DockerManager, we can
		// record the pull failure and eliminate the image checking below.
		image := container.Image
		// TODO(dchen1107): docker/docker/issues/8365 to figure out if the image exists
		_, err := dm.client.InspectImage(image)
		if err == nil {
			containerStatus.State.Waiting = &api.ContainerStateWaiting{
				Reason: fmt.Sprintf("Image: %s is ready, container is creating", image),
			}
		} else if err == docker.ErrNoSuchImage {
			containerStatus.State.Waiting = &api.ContainerStateWaiting{
				Reason: fmt.Sprintf("Image: %s is not ready on the node", image),
			}
		}
		statuses[container.Name] = &containerStatus
	}

	podStatus.ContainerStatuses = make([]api.ContainerStatus, 0)
	for containerName, status := range statuses {
		if status.State.Waiting != nil {
			// For containers in the waiting state, fill in a specific reason if it is recorded.
			if reason, ok := dm.reasonCache.Get(uid, containerName); ok {
				status.State.Waiting.Reason = reason
			}
		}
		podStatus.ContainerStatuses = append(podStatus.ContainerStatuses, *status)
	}

	return &podStatus, nil
}