예제 #1
0
파일: summary.go 프로젝트: sjtud/kubernetes
// buildSummaryPods aggregates and returns the container stats in cinfos by the Pod managing the container.
// Containers not managed by a Pod are omitted.
func (sb *summaryBuilder) buildSummaryPods() []PodStats {
	// Map each container to a pod and update the PodStats with container data
	podToStats := map[PodReference]*PodStats{}
	for _, cinfo := range sb.infos {
		// Build the Pod key if this container is managed by a Pod
		if !sb.isPodManagedContainer(&cinfo) {
			continue
		}
		ref := sb.buildPodRef(&cinfo)

		// Lookup the PodStats for the pod using the PodRef.  If none exists, initialize a new entry.
		stats, found := podToStats[ref]
		if !found {
			stats = &PodStats{PodRef: ref}
			podToStats[ref] = stats
		}

		// Update the PodStats entry with the stats from the container by adding it to stats.Containers
		containerName := dockertools.GetContainerName(cinfo.Spec.Labels)
		if containerName == leaky.PodInfraContainerName {
			// Special case for infrastructure container which is hidden from the user and has network stats
			stats.Network = sb.containerInfoV2ToNetworkStats(&cinfo)
			stats.StartTime = unversioned.NewTime(cinfo.Spec.CreationTime)
		} else {
			stats.Containers = append(stats.Containers, sb.containerInfoV2ToStats(containerName, &cinfo))
		}
	}

	// Add each PodStats to the result
	result := make([]PodStats, 0, len(podToStats))
	for _, stats := range podToStats {
		result = append(result, *stats)
	}
	return result
}
예제 #2
0
// buildSummaryPods aggregates and returns the container stats in cinfos by the Pod managing the container.
// Containers not managed by a Pod are omitted.
func (sb *summaryBuilder) buildSummaryPods() []stats.PodStats {
	// Map each container to a pod and update the PodStats with container data
	podToStats := map[stats.PodReference]*stats.PodStats{}
	for key, cinfo := range sb.infos {
		// on systemd using devicemapper each mount into the container has an associated cgroup.
		// we ignore them to ensure we do not get duplicate entries in our summary.
		// for details on .mount units: http://man7.org/linux/man-pages/man5/systemd.mount.5.html
		if strings.HasSuffix(key, ".mount") {
			continue
		}
		// Build the Pod key if this container is managed by a Pod
		if !sb.isPodManagedContainer(&cinfo) {
			continue
		}
		ref := sb.buildPodRef(&cinfo)

		// Lookup the PodStats for the pod using the PodRef.  If none exists, initialize a new entry.
		podStats, found := podToStats[ref]
		if !found {
			podStats = &stats.PodStats{PodRef: ref}
			podToStats[ref] = podStats
		}

		// Update the PodStats entry with the stats from the container by adding it to stats.Containers
		containerName := dockertools.GetContainerName(cinfo.Spec.Labels)
		if containerName == leaky.PodInfraContainerName {
			// Special case for infrastructure container which is hidden from the user and has network stats
			podStats.Network = sb.containerInfoV2ToNetworkStats("pod:"+ref.Namespace+"_"+ref.Name, &cinfo)
			podStats.StartTime = unversioned.NewTime(cinfo.Spec.CreationTime)
		} else {
			podStats.Containers = append(podStats.Containers, sb.containerInfoV2ToStats(containerName, &cinfo))
		}
	}

	// Add each PodStats to the result
	result := make([]stats.PodStats, 0, len(podToStats))
	for _, podStats := range podToStats {
		// Lookup the volume stats for each pod
		podUID := types.UID(podStats.PodRef.UID)
		if vstats, found := sb.fsResourceAnalyzer.GetPodVolumeStats(podUID); found {
			podStats.VolumeStats = vstats.Volumes
		}
		result = append(result, *podStats)
	}
	return result
}