Beispiel #1
0
// freeContainerMetrics returns a metric timeseries for a metric of the Container entity.
// freeContainerMetrics addresses only free containers, by using the node-name/container-name path.
func (a *Api) freeContainerMetrics(request *restful.Request, response *restful.Response) {
	a.processMetricRequest(
		core.NodeContainerKey(request.PathParameter("node-name"),
			request.PathParameter("container-name"),
		),
		request, response)
}
Beispiel #2
0
func TestDecodeSummaryMetrics(t *testing.T) {
	ms := testingSummaryMetricsSource()
	summary := stats.Summary{
		Node: stats.NodeStats{
			NodeName:  nodeInfo.NodeName,
			StartTime: unversioned.NewTime(startTime),
			CPU:       genTestSummaryCPU(seedNode),
			Memory:    genTestSummaryMemory(seedNode),
			Network:   genTestSummaryNetwork(seedNode),
			SystemContainers: []stats.ContainerStats{
				genTestSummaryContainer(stats.SystemContainerKubelet, seedKubelet),
				genTestSummaryContainer(stats.SystemContainerRuntime, seedRuntime),
				genTestSummaryContainer(stats.SystemContainerMisc, seedMisc),
			},
			Fs: genTestSummaryFsStats(seedNode),
		},
		Pods: []stats.PodStats{{
			PodRef: stats.PodReference{
				Name:      pName0,
				Namespace: namespace0,
			},
			StartTime: unversioned.NewTime(startTime),
			Network:   genTestSummaryNetwork(seedPod0),
			Containers: []stats.ContainerStats{
				genTestSummaryContainer(cName00, seedPod0Container0),
				genTestSummaryContainer(cName01, seedPod0Container1),
			},
		}, {
			PodRef: stats.PodReference{
				Name:      pName1,
				Namespace: namespace0,
			},
			StartTime: unversioned.NewTime(startTime),
			Network:   genTestSummaryNetwork(seedPod1),
			Containers: []stats.ContainerStats{
				genTestSummaryContainer(cName10, seedPod1Container),
			},
			VolumeStats: []stats.VolumeStats{{
				Name:    "A",
				FsStats: *genTestSummaryFsStats(seedPod1),
			}, {
				Name:    "B",
				FsStats: *genTestSummaryFsStats(seedPod1),
			}},
		}, {
			PodRef: stats.PodReference{
				Name:      pName2,
				Namespace: namespace1,
			},
			StartTime: unversioned.NewTime(startTime),
			Network:   genTestSummaryNetwork(seedPod2),
			Containers: []stats.ContainerStats{
				genTestSummaryContainer(cName20, seedPod2Container),
			},
		}},
	}

	containerFs := []string{"/", "logs"}
	expectations := []struct {
		key     string
		setType string
		seed    int64
		cpu     bool
		memory  bool
		network bool
		fs      []string
	}{{
		key:     core.NodeKey(nodeInfo.NodeName),
		setType: core.MetricSetTypeNode,
		seed:    seedNode,
		cpu:     true,
		memory:  true,
		network: true,
		fs:      []string{"/"},
	}, {
		key:     core.NodeContainerKey(nodeInfo.NodeName, "kubelet"),
		setType: core.MetricSetTypeSystemContainer,
		seed:    seedKubelet,
		cpu:     true,
		memory:  true,
	}, {
		key:     core.NodeContainerKey(nodeInfo.NodeName, "docker-daemon"),
		setType: core.MetricSetTypeSystemContainer,
		seed:    seedRuntime,
		cpu:     true,
		memory:  true,
	}, {
		key:     core.NodeContainerKey(nodeInfo.NodeName, "system"),
		setType: core.MetricSetTypeSystemContainer,
		seed:    seedMisc,
		cpu:     true,
		memory:  true,
	}, {
		key:     core.PodKey(namespace0, pName0),
		setType: core.MetricSetTypePod,
		seed:    seedPod0,
		network: true,
	}, {
		key:     core.PodKey(namespace0, pName1),
		setType: core.MetricSetTypePod,
		seed:    seedPod1,
		network: true,
		fs:      []string{"Volume:A", "Volume:B"},
	}, {
		key:     core.PodKey(namespace1, pName2),
		setType: core.MetricSetTypePod,
		seed:    seedPod2,
		network: true,
	}, {
		key:     core.PodContainerKey(namespace0, pName0, cName00),
		setType: core.MetricSetTypePodContainer,
		seed:    seedPod0Container0,
		cpu:     true,
		memory:  true,
		fs:      containerFs,
	}, {
		key:     core.PodContainerKey(namespace0, pName0, cName01),
		setType: core.MetricSetTypePodContainer,
		seed:    seedPod0Container1,
		cpu:     true,
		memory:  true,
		fs:      containerFs,
	}, {
		key:     core.PodContainerKey(namespace0, pName1, cName10),
		setType: core.MetricSetTypePodContainer,
		seed:    seedPod1Container,
		cpu:     true,
		memory:  true,
		fs:      containerFs,
	}, {
		key:     core.PodContainerKey(namespace1, pName2, cName20),
		setType: core.MetricSetTypePodContainer,
		seed:    seedPod2Container,
		cpu:     true,
		memory:  true,
		fs:      containerFs,
	}}

	metrics := ms.decodeSummary(&summary)
	for _, e := range expectations {
		m, ok := metrics[e.key]
		if !assert.True(t, ok, "missing metric %q", e.key) {
			continue
		}
		assert.Equal(t, m.Labels[core.LabelMetricSetType.Key], e.setType, e.key)
		assert.Equal(t, m.CreateTime, startTime, e.key)
		assert.Equal(t, m.ScrapeTime, scrapeTime, e.key)
		if e.cpu {
			checkIntMetric(t, m, e.key, core.MetricCpuUsage, e.seed+offsetCPUUsageCoreSeconds)
		}
		if e.memory {
			checkIntMetric(t, m, e.key, core.MetricMemoryUsage, e.seed+offsetMemUsageBytes)
			checkIntMetric(t, m, e.key, core.MetricMemoryWorkingSet, e.seed+offsetMemWorkingSetBytes)
			checkIntMetric(t, m, e.key, core.MetricMemoryPageFaults, e.seed+offsetMemPageFaults)
			checkIntMetric(t, m, e.key, core.MetricMemoryMajorPageFaults, e.seed+offsetMemMajorPageFaults)
		}
		if e.network {
			checkIntMetric(t, m, e.key, core.MetricNetworkRx, e.seed+offsetNetRxBytes)
			checkIntMetric(t, m, e.key, core.MetricNetworkRxErrors, e.seed+offsetNetRxErrors)
			checkIntMetric(t, m, e.key, core.MetricNetworkTx, e.seed+offsetNetTxBytes)
			checkIntMetric(t, m, e.key, core.MetricNetworkTxErrors, e.seed+offsetNetTxErrors)
		}
		for _, label := range e.fs {
			checkFsMetric(t, m, e.key, label, core.MetricFilesystemAvailable, e.seed+offsetFsAvailable)
			checkFsMetric(t, m, e.key, label, core.MetricFilesystemLimit, e.seed+offsetFsCapacity)
			checkFsMetric(t, m, e.key, label, core.MetricFilesystemUsage, e.seed+offsetFsUsed)
		}
		delete(metrics, e.key)
	}

	for k, v := range metrics {
		assert.Fail(t, "unexpected metric", "%q: %+v", k, v)
	}
}