Exemplo n.º 1
0
func (r *Reporter) podTopology(services []Service) (report.Topology, report.Topology, error) {
	pods, containers := report.MakeTopology(), report.MakeTopology()
	selectors := map[string]labels.Selector{}
	for _, service := range services {
		selectors[service.ID()] = service.Selector()
	}
	err := r.client.WalkPods(func(p Pod) error {
		for serviceID, selector := range selectors {
			if selector.Matches(p.Labels()) {
				p.AddServiceID(serviceID)
			}
		}
		nodeID := report.MakePodNodeID(p.Namespace(), p.Name())
		pods = pods.AddNode(nodeID, p.GetNode())

		container := report.MakeNodeWith(map[string]string{
			PodID:     p.ID(),
			Namespace: p.Namespace(),
		}).WithParents(report.EmptySets.Add(report.Pod, report.MakeStringSet(nodeID)))
		for _, containerID := range p.ContainerIDs() {
			containers.AddNode(report.MakeContainerNodeID(containerID), container)
		}
		return nil
	})
	return pods, containers, err
}
Exemplo n.º 2
0
func TestReporter(t *testing.T) {
	want := report.MakeReport()
	pod1ID := report.MakePodNodeID("ping", "pong-a")
	pod2ID := report.MakePodNodeID("ping", "pong-b")
	serviceID := report.MakeServiceNodeID("ping", "pongservice")
	want.Pod = report.MakeTopology().AddNode(pod1ID, report.MakeNodeWith(map[string]string{
		kubernetes.PodID:           "ping/pong-a",
		kubernetes.PodName:         "pong-a",
		kubernetes.Namespace:       "ping",
		kubernetes.PodCreated:      pod1.Created(),
		kubernetes.PodContainerIDs: "container1 container2",
		kubernetes.ServiceIDs:      "ping/pongservice",
	}).WithParents(report.Sets{
		report.Service: report.MakeStringSet(serviceID),
	})).AddNode(pod2ID, report.MakeNodeWith(map[string]string{
		kubernetes.PodID:           "ping/pong-b",
		kubernetes.PodName:         "pong-b",
		kubernetes.Namespace:       "ping",
		kubernetes.PodCreated:      pod1.Created(),
		kubernetes.PodContainerIDs: "container3 container4",
		kubernetes.ServiceIDs:      "ping/pongservice",
	}).WithParents(report.Sets{
		report.Service: report.MakeStringSet(serviceID),
	}))
	want.Service = report.MakeTopology().AddNode(serviceID, report.MakeNodeWith(map[string]string{
		kubernetes.ServiceID:      "ping/pongservice",
		kubernetes.ServiceName:    "pongservice",
		kubernetes.Namespace:      "ping",
		kubernetes.ServiceCreated: pod1.Created(),
	}))
	want.Container = report.MakeTopology().AddNode(report.MakeContainerNodeID("container1"), report.MakeNodeWith(map[string]string{
		kubernetes.PodID:     "ping/pong-a",
		kubernetes.Namespace: "ping",
	}).WithParents(report.Sets{
		report.Pod: report.MakeStringSet(pod1ID),
	})).AddNode(report.MakeContainerNodeID("container2"), report.MakeNodeWith(map[string]string{
		kubernetes.PodID:     "ping/pong-a",
		kubernetes.Namespace: "ping",
	}).WithParents(report.Sets{
		report.Pod: report.MakeStringSet(pod1ID),
	})).AddNode(report.MakeContainerNodeID("container3"), report.MakeNodeWith(map[string]string{
		kubernetes.PodID:     "ping/pong-b",
		kubernetes.Namespace: "ping",
	}).WithParents(report.Sets{
		report.Pod: report.MakeStringSet(pod2ID),
	})).AddNode(report.MakeContainerNodeID("container4"), report.MakeNodeWith(map[string]string{
		kubernetes.PodID:     "ping/pong-b",
		kubernetes.Namespace: "ping",
	}).WithParents(report.Sets{
		report.Pod: report.MakeStringSet(pod2ID),
	}))

	reporter := kubernetes.NewReporter(mockClientInstance)
	have, _ := reporter.Report()
	if !reflect.DeepEqual(want, have) {
		t.Errorf("%s", test.Diff(want, have))
	}
}
Exemplo n.º 3
0
func TestWeaveTaggerOverlayTopology(t *testing.T) {
	oldExecCmd := exec.Command
	defer func() { exec.Command = oldExecCmd }()
	exec.Command = func(name string, args ...string) exec.Cmd {
		return testExec.NewMockCmdString(fmt.Sprintf("%s %s %s/24\n", mockContainerID, mockContainerMAC, mockContainerIP))
	}

	s := httptest.NewServer(http.HandlerFunc(mockWeaveRouter))
	defer s.Close()

	w := overlay.NewWeave(mockHostID, s.URL)
	defer w.Stop()
	w.Tick()

	{
		have, err := w.Report()
		if err != nil {
			t.Fatal(err)
		}
		if want, have := report.MakeTopology().AddNode(
			report.MakeOverlayNodeID(mockWeavePeerName),
			report.MakeNodeWith(map[string]string{
				overlay.WeavePeerName:     mockWeavePeerName,
				overlay.WeavePeerNickName: mockWeavePeerNickName,
			}),
		), have.Overlay; !reflect.DeepEqual(want, have) {
			t.Error(test.Diff(want, have))
		}
	}

	{
		nodeID := report.MakeContainerNodeID(mockHostID, mockContainerID)
		want := report.Report{
			Container: report.MakeTopology().AddNode(nodeID, report.MakeNodeWith(map[string]string{
				docker.ContainerID:       mockContainerID,
				overlay.WeaveDNSHostname: mockHostname,
				overlay.WeaveMACAddress:  mockContainerMAC,
			}).WithSets(report.Sets{
				docker.ContainerIPs:           report.MakeStringSet(mockContainerIP),
				docker.ContainerIPsWithScopes: report.MakeStringSet(mockContainerIPWithScope),
			})),
		}
		have, err := w.Tag(report.Report{
			Container: report.MakeTopology().AddNode(nodeID, report.MakeNodeWith(map[string]string{
				docker.ContainerID: mockContainerID,
			})),
		})
		if err != nil {
			t.Fatal(err)
		}
		if !reflect.DeepEqual(want, have) {
			t.Error(test.Diff(want, have))
		}
	}
}
Exemplo n.º 4
0
func (r *Reporter) containerTopology(localAddrs []net.IP) report.Topology {
	result := report.MakeTopology()
	result.Controls.AddControl(report.Control{
		ID:    StopContainer,
		Human: "Stop",
		Icon:  "fa-stop",
	})
	result.Controls.AddControl(report.Control{
		ID:    StartContainer,
		Human: "Start",
		Icon:  "fa-play",
	})
	result.Controls.AddControl(report.Control{
		ID:    RestartContainer,
		Human: "Restart",
		Icon:  "fa-repeat",
	})
	result.Controls.AddControl(report.Control{
		ID:    PauseContainer,
		Human: "Pause",
		Icon:  "fa-pause",
	})
	result.Controls.AddControl(report.Control{
		ID:    UnpauseContainer,
		Human: "Unpause",
		Icon:  "fa-play",
	})

	r.registry.WalkContainers(func(c Container) {
		nodeID := report.MakeContainerNodeID(r.hostID, c.ID())
		result.AddNode(nodeID, c.GetNode(r.hostID, localAddrs))
	})

	return result
}
Exemplo n.º 5
0
func TestAPITopologyAddsKubernetes(t *testing.T) {
	router := mux.NewRouter()
	c := app.NewCollector(1 * time.Minute)
	app.RegisterReportPostHandler(c, router)
	app.RegisterTopologyRoutes(router, c)
	ts := httptest.NewServer(router)
	defer ts.Close()

	body := getRawJSON(t, ts, "/api/topology")

	var topologies []app.APITopologyDesc
	decoder := codec.NewDecoderBytes(body, &codec.JsonHandle{})
	if err := decoder.Decode(&topologies); err != nil {
		t.Fatalf("JSON parse error: %s", err)
	}
	equals(t, 4, len(topologies))

	// Enable the kubernetes topologies
	rpt := report.MakeReport()
	rpt.Pod = report.MakeTopology()
	rpt.Pod.Nodes[fixture.ClientPodNodeID] = kubernetes.NewPod(&api.Pod{
		ObjectMeta: api.ObjectMeta{
			Name:      "pong-a",
			Namespace: "ping",
			Labels:    map[string]string{"ponger": "true"},
		},
		Status: api.PodStatus{
			HostIP: "1.2.3.4",
			ContainerStatuses: []api.ContainerStatus{
				{ContainerID: "container1"},
				{ContainerID: "container2"},
			},
		},
	}).GetNode("")
	buf := &bytes.Buffer{}
	encoder := codec.NewEncoder(buf, &codec.MsgpackHandle{})
	if err := encoder.Encode(rpt); err != nil {
		t.Fatalf("GOB encoding error: %s", err)
	}
	checkRequest(t, ts, "POST", "/api/report", buf.Bytes())

	body = getRawJSON(t, ts, "/api/topology")
	decoder = codec.NewDecoderBytes(body, &codec.JsonHandle{})
	if err := decoder.Decode(&topologies); err != nil {
		t.Fatalf("JSON parse error: %s", err)
	}
	equals(t, 4, len(topologies))

	found := false
	for _, topology := range topologies {
		if topology.Name == "Pods" {
			found = true
			break
		}
	}
	if !found {
		t.Error("Could not find pods topology")
	}
}
Exemplo n.º 6
0
func TestReporter(t *testing.T) {
	walker := &mockWalker{
		processes: []process.Process{
			{PID: 1, PPID: 0, Name: "init"},
			{PID: 2, PPID: 1, Name: "bash"},
			{PID: 3, PPID: 1, Name: "apache", Threads: 2},
			{PID: 4, PPID: 2, Name: "ping", Cmdline: "ping foo.bar.local"},
			{PID: 5, PPID: 1, Cmdline: "tail -f /var/log/syslog"},
		},
	}
	getDeltaTotalJiffies := func() (uint64, float64, error) { return 0, 0., nil }
	now := time.Now()
	mtime.NowForce(now)
	defer mtime.NowReset()

	reporter := process.NewReporter(walker, "", getDeltaTotalJiffies)
	want := report.MakeReport()
	want.Process = report.MakeTopology().AddNode(
		report.MakeProcessNodeID("", "1"), report.MakeNodeWith(map[string]string{
			process.PID:     "1",
			process.Name:    "init",
			process.Threads: "0",
		}).WithMetric(process.MemoryUsage, report.MakeMetric().Add(now, 0.)),
	).AddNode(
		report.MakeProcessNodeID("", "2"), report.MakeNodeWith(map[string]string{
			process.PID:     "2",
			process.Name:    "bash",
			process.PPID:    "1",
			process.Threads: "0",
		}).WithMetric(process.MemoryUsage, report.MakeMetric().Add(now, 0.)),
	).AddNode(
		report.MakeProcessNodeID("", "3"), report.MakeNodeWith(map[string]string{
			process.PID:     "3",
			process.Name:    "apache",
			process.PPID:    "1",
			process.Threads: "2",
		}).WithMetric(process.MemoryUsage, report.MakeMetric().Add(now, 0.)),
	).AddNode(
		report.MakeProcessNodeID("", "4"), report.MakeNodeWith(map[string]string{
			process.PID:     "4",
			process.Name:    "ping",
			process.PPID:    "2",
			process.Cmdline: "ping foo.bar.local",
			process.Threads: "0",
		}).WithMetric(process.MemoryUsage, report.MakeMetric().Add(now, 0.)),
	).AddNode(
		report.MakeProcessNodeID("", "5"), report.MakeNodeWith(map[string]string{
			process.PID:     "5",
			process.PPID:    "1",
			process.Cmdline: "tail -f /var/log/syslog",
			process.Threads: "0",
		}).WithMetric(process.MemoryUsage, report.MakeMetric().Add(now, 0.)),
	)

	have, err := reporter.Report()
	if err != nil || !reflect.DeepEqual(want, have) {
		t.Errorf("%s (%v)", test.Diff(want, have), err)
	}
}
Exemplo n.º 7
0
// FIXME: Hideous hack to remove persistent-connection edges to virtual service
//        IPs attributed to the internet. We add each service IP as a /32 network
//        (the global service-cluster-ip-range is not exposed by the API
//        server so we treat each IP as a /32 network see
//        https://github.com/kubernetes/kubernetes/issues/25533).
//        The right way of fixing this is performing DNAT mapping on persistent
//        connections for which we don't have a robust solution
//        (see https://github.com/weaveworks/scope/issues/1491)
func (r *Reporter) hostTopology(services []Service) report.Topology {
	localNetworks := report.EmptyStringSet
	for _, service := range services {
		localNetworks = localNetworks.Add(service.ClusterIP() + "/32")
	}
	node := report.MakeNode(report.MakeHostNodeID(r.hostID))
	node = node.WithSets(report.EmptySets.
		Add(host.LocalNetworks, localNetworks))
	return report.MakeTopology().AddNode(node)
}
Exemplo n.º 8
0
func (r *Reporter) containerTopology() report.Topology {
	result := report.MakeTopology()

	r.registry.WalkContainers(func(c Container) {
		nodeID := report.MakeContainerNodeID(r.hostID, c.ID())
		result.AddNode(nodeID, c.GetNode())
	})

	return result
}
Exemplo n.º 9
0
func (r *Reporter) containerTopology() report.Topology {
	result := report.MakeTopology()

	r.registry.WalkContainers(func(c Container) {
		nodeID := report.MakeContainerNodeID(r.scope, c.ID())
		result.NodeMetadatas[nodeID] = c.GetNodeMetadata()
	})

	return result
}
Exemplo n.º 10
0
func TestReporter(t *testing.T) {
	walker := &mockWalker{
		processes: []process.Process{
			{PID: 1, PPID: 0, Comm: "init"},
			{PID: 2, PPID: 1, Comm: "bash"},
			{PID: 3, PPID: 1, Comm: "apache", Threads: 2},
			{PID: 4, PPID: 2, Comm: "ping", Cmdline: "ping foo.bar.local"},
			{PID: 5, PPID: 1, Cmdline: "tail -f /var/log/syslog"},
		},
	}

	reporter := process.NewReporter(walker, "")
	want := report.MakeReport()
	want.Process = report.MakeTopology().AddNode(
		report.MakeProcessNodeID("", "1"), report.MakeNodeWith(map[string]string{
			process.PID:     "1",
			process.Comm:    "init",
			process.Threads: "0",
		}),
	).AddNode(
		report.MakeProcessNodeID("", "2"), report.MakeNodeWith(map[string]string{
			process.PID:     "2",
			process.Comm:    "bash",
			process.PPID:    "1",
			process.Threads: "0",
		}),
	).AddNode(
		report.MakeProcessNodeID("", "3"), report.MakeNodeWith(map[string]string{
			process.PID:     "3",
			process.Comm:    "apache",
			process.PPID:    "1",
			process.Threads: "2",
		}),
	).AddNode(
		report.MakeProcessNodeID("", "4"), report.MakeNodeWith(map[string]string{
			process.PID:     "4",
			process.Comm:    "ping",
			process.PPID:    "2",
			process.Cmdline: "ping foo.bar.local",
			process.Threads: "0",
		}),
	).AddNode(
		report.MakeProcessNodeID("", "5"), report.MakeNodeWith(map[string]string{
			process.PID:     "5",
			process.PPID:    "1",
			process.Cmdline: "tail -f /var/log/syslog",
			process.Threads: "0",
		}),
	)

	have, err := reporter.Report()
	if err != nil || !reflect.DeepEqual(want, have) {
		t.Errorf("%s (%v)", test.Diff(want, have), err)
	}
}
Exemplo n.º 11
0
func (r *Reporter) serviceTopology() (report.Topology, []Service, error) {
	var (
		result   = report.MakeTopology()
		services = []Service{}
	)
	err := r.client.WalkServices(func(s Service) error {
		nodeID := report.MakeServiceNodeID(s.Namespace(), s.Name())
		result = result.AddNode(nodeID, s.GetNode())
		services = append(services, s)
		return nil
	})
	return result, services, err
}
Exemplo n.º 12
0
func TestMakeRenderableNodes(t *testing.T) {

	var (
		newu64     = func(value uint64) *uint64 { return &value }
		srcNodeID  = "srcNode"
		dstNode1ID = "dstNode1"
		dstNode2ID = "dstNode2"
		srcNode    = report.MakeNode().
				WithEdge(dstNode1ID, report.EdgeMetadata{EgressPacketCount: newu64(100), EgressByteCount: newu64(1000)}).
				WithEdge(dstNode2ID, report.EdgeMetadata{EgressPacketCount: newu64(200), EgressByteCount: newu64(2000)})
		dstNode1 = report.MakeNode()
		dstNode2 = report.MakeNode()
		topology = report.MakeTopology().
				AddNode(srcNodeID, srcNode).
				AddNode(dstNode1ID, dstNode1).
				AddNode(dstNode2ID, dstNode2)
	)

	result := render.MakeRenderableNodes(topology)
	mustLookup := func(id string) render.RenderableNode {
		node, ok := result[id]
		if !ok {
			t.Fatalf("Expected result to contain node: %q, got: %v", id, result)
		}
		return node
	}

	// Source nodes should have the flattened edge metadata
	{
		have := mustLookup(srcNodeID).EdgeMetadata
		want := report.EdgeMetadata{EgressPacketCount: newu64(300), EgressByteCount: newu64(3000)}
		if !reflect.DeepEqual(want, have) {
			t.Errorf(test.Diff(want, have))
		}
	}

	// Result destination nodes should have the reverse of the source nodes
	{
		have := mustLookup(dstNode1ID).EdgeMetadata
		want := report.EdgeMetadata{IngressPacketCount: newu64(100), IngressByteCount: newu64(1000)}
		if !reflect.DeepEqual(want, have) {
			t.Errorf(test.Diff(want, have))
		}

		have = mustLookup(dstNode2ID).EdgeMetadata
		want = report.EdgeMetadata{IngressPacketCount: newu64(200), IngressByteCount: newu64(2000)}
		if !reflect.DeepEqual(want, have) {
			t.Errorf(test.Diff(want, have))
		}
	}
}
Exemplo n.º 13
0
func (r *Reporter) podTopology(services []Service, replicaSets []ReplicaSet) (report.Topology, error) {
	var (
		pods = report.MakeTopology().
			WithMetadataTemplates(PodMetadataTemplates).
			WithMetricTemplates(PodMetricTemplates).
			WithTableTemplates(TableTemplates)
		selectors = []func(labelledChild){}
	)
	pods.Controls.AddControl(report.Control{
		ID:    GetLogs,
		Human: "Get logs",
		Icon:  "fa-desktop",
		Rank:  0,
	})
	pods.Controls.AddControl(report.Control{
		ID:    DeletePod,
		Human: "Delete",
		Icon:  "fa-trash-o",
		Rank:  1,
	})
	for _, service := range services {
		selectors = append(selectors, match(
			service.Selector(),
			report.Service,
			report.MakeServiceNodeID(service.UID()),
		))
	}
	for _, replicaSet := range replicaSets {
		selectors = append(selectors, match(
			replicaSet.Selector(),
			report.ReplicaSet,
			report.MakeReplicaSetNodeID(replicaSet.UID()),
		))
	}

	thisNodeName, err := GetNodeName(r)
	if err != nil {
		return pods, err
	}
	err = r.client.WalkPods(func(p Pod) error {
		if p.NodeName() != thisNodeName {
			return nil
		}
		for _, selector := range selectors {
			selector(p)
		}
		pods = pods.AddNode(p.GetNode(r.probeID))
		return nil
	})
	return pods, err
}
Exemplo n.º 14
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func (r *Reporter) podTopology(services []Service) (report.Topology, error) {
	result := report.MakeTopology()
	err := r.client.WalkPods(func(p Pod) error {
		for _, service := range services {
			if service.Selector().Matches(p.Labels()) {
				p.AddServiceID(service.ID())
			}
		}
		nodeID := report.MakePodNodeID(p.Namespace(), p.Name())
		result = result.AddNode(nodeID, p.GetNode())
		return nil
	})
	return result, err
}
Exemplo n.º 15
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func (r *Reporter) serviceTopology() (report.Topology, []Service, error) {
	var (
		result = report.MakeTopology().
			WithMetadataTemplates(ServiceMetadataTemplates).
			WithMetricTemplates(ServiceMetricTemplates).
			WithTableTemplates(TableTemplates)
		services = []Service{}
	)
	err := r.client.WalkServices(func(s Service) error {
		result = result.AddNode(s.GetNode())
		services = append(services, s)
		return nil
	})
	return result, services, err
}
Exemplo n.º 16
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// Make sure we don't add a topology and miss it in the Topologies method.
func TestReportTopologies(t *testing.T) {
	var (
		reportType   = reflect.TypeOf(report.MakeReport())
		topologyType = reflect.TypeOf(report.MakeTopology())
	)

	var want int
	for i := 0; i < reportType.NumField(); i++ {
		if reportType.Field(i).Type == topologyType {
			want++
		}
	}

	if have := len(report.MakeReport().Topologies()); want != have {
		t.Errorf("want %d, have %d", want, have)
	}
}
Exemplo n.º 17
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func (r *Reporter) deploymentTopology(probeID string) (report.Topology, []Deployment, error) {
	var (
		result = report.MakeTopology().
			WithMetadataTemplates(DeploymentMetadataTemplates).
			WithMetricTemplates(DeploymentMetricTemplates).
			WithTableTemplates(TableTemplates)
		deployments = []Deployment{}
	)
	result.Controls.AddControls(ScalingControls)

	err := r.client.WalkDeployments(func(d Deployment) error {
		result = result.AddNode(d.GetNode(probeID))
		deployments = append(deployments, d)
		return nil
	})
	return result, deployments, err
}
Exemplo n.º 18
0
func (r *Reporter) containerImageTopology() report.Topology {
	result := report.MakeTopology()

	r.registry.WalkImages(func(image *docker_client.APIImages) {
		nmd := report.MakeNodeWith(map[string]string{
			ImageID: image.ID,
		})
		AddLabels(nmd, image.Labels)

		if len(image.RepoTags) > 0 {
			nmd.Metadata[ImageName] = image.RepoTags[0]
		}

		nodeID := report.MakeContainerNodeID(r.hostID, image.ID)
		result.AddNode(nodeID, nmd)
	})

	return result
}
Exemplo n.º 19
0
func (r *Reporter) containerImageTopology() report.Topology {
	result := report.MakeTopology()

	r.registry.WalkImages(func(image *docker_client.APIImages) {
		node := report.MakeNodeWith(map[string]string{
			ImageID: image.ID,
		})
		node = AddLabels(node, image.Labels)

		if len(image.RepoTags) > 0 {
			node = node.WithLatests(map[string]string{ImageName: image.RepoTags[0]})
		}

		nodeID := report.MakeContainerImageNodeID(image.ID)
		result.AddNode(nodeID, node)
	})

	return result
}
Exemplo n.º 20
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func (r *Reporter) processTopology() (report.Topology, error) {
	t := report.MakeTopology().
		WithMetadataTemplates(MetadataTemplates).
		WithMetricTemplates(MetricTemplates)
	now := mtime.Now()
	deltaTotal, maxCPU, err := r.jiffies()
	if err != nil {
		return t, err
	}

	err = r.walker.Walk(func(p, prev Process) {
		pidstr := strconv.Itoa(p.PID)
		nodeID := report.MakeProcessNodeID(r.scope, pidstr)
		node := report.MakeNode(nodeID)
		for _, tuple := range []struct{ key, value string }{
			{PID, pidstr},
			{Name, p.Name},
			{Cmdline, p.Cmdline},
			{Threads, strconv.Itoa(p.Threads)},
		} {
			if tuple.value != "" {
				node = node.WithLatests(map[string]string{tuple.key: tuple.value})
			}
		}

		if p.PPID > 0 {
			node = node.WithLatests(map[string]string{PPID: strconv.Itoa(p.PPID)})
		}

		if deltaTotal > 0 {
			cpuUsage := float64(p.Jiffies-prev.Jiffies) / float64(deltaTotal) * 100.
			node = node.WithMetric(CPUUsage, report.MakeMetric().Add(now, cpuUsage).WithMax(maxCPU))
		}

		node = node.WithMetric(MemoryUsage, report.MakeMetric().Add(now, float64(p.RSSBytes)).WithMax(float64(p.RSSBytesLimit)))
		node = node.WithMetric(OpenFilesCount, report.MakeMetric().Add(now, float64(p.OpenFilesCount)).WithMax(float64(p.OpenFilesLimit)))

		t.AddNode(node)
	})

	return t, err
}
Exemplo n.º 21
0
func (r *Reporter) replicaSetTopology(probeID string, deployments []Deployment) (report.Topology, []ReplicaSet, error) {
	var (
		result = report.MakeTopology().
			WithMetadataTemplates(ReplicaSetMetadataTemplates).
			WithMetricTemplates(ReplicaSetMetricTemplates).
			WithTableTemplates(TableTemplates)
		replicaSets = []ReplicaSet{}
		selectors   = []func(labelledChild){}
	)
	result.Controls.AddControls(ScalingControls)

	for _, deployment := range deployments {
		selectors = append(selectors, match(
			deployment.Selector(),
			report.Deployment,
			report.MakeDeploymentNodeID(deployment.UID()),
		))
	}

	err := r.client.WalkReplicaSets(func(r ReplicaSet) error {
		for _, selector := range selectors {
			selector(r)
		}
		result = result.AddNode(r.GetNode(probeID))
		replicaSets = append(replicaSets, r)
		return nil
	})
	if err != nil {
		return result, replicaSets, err
	}

	err = r.client.WalkReplicationControllers(func(r ReplicationController) error {
		for _, selector := range selectors {
			selector(r)
		}
		result = result.AddNode(r.GetNode(probeID))
		replicaSets = append(replicaSets, ReplicaSet(r))
		return nil
	})
	return result, replicaSets, err
}
Exemplo n.º 22
0
func (r *Reporter) processTopology() (report.Topology, error) {
	t := report.MakeTopology()
	err := r.walker.Walk(func(p Process) {
		pidstr := strconv.Itoa(p.PID)
		nodeID := report.MakeProcessNodeID(r.scope, pidstr)
		t.Nodes[nodeID] = report.MakeNode()
		for _, tuple := range []struct{ key, value string }{
			{PID, pidstr},
			{Comm, p.Comm},
			{Cmdline, p.Cmdline},
			{Threads, strconv.Itoa(p.Threads)},
		} {
			if tuple.value != "" {
				t.Nodes[nodeID].Metadata[tuple.key] = tuple.value
			}
		}
		if p.PPID > 0 {
			t.Nodes[nodeID].Metadata[PPID] = strconv.Itoa(p.PPID)
		}
	})

	return t, err
}
Exemplo n.º 23
0
func TestAppClientPublish(t *testing.T) {
	var (
		token   = "abcdefg"
		id      = "1234567"
		version = "0.18"
		rpt     = report.MakeReport()
		done    = make(chan struct{}, 10)
	)

	// marshalling->unmarshaling is not idempotent due to `json:"omitempty"`
	// tags, transforming empty slices into nils. So, we make DeepEqual
	// happy by setting empty `json:"omitempty"` entries to nil
	rpt.Endpoint = report.MakeTopology()
	rpt.Process = report.MakeTopology()
	rpt.Container = report.MakeTopology()
	rpt.ContainerImage = report.MakeTopology()
	rpt.Pod = report.MakeTopology()
	rpt.Service = report.MakeTopology()
	rpt.Deployment = report.MakeTopology()
	rpt.ReplicaSet = report.MakeTopology()
	rpt.Host = report.MakeTopology()
	rpt.Overlay = report.MakeTopology()
	rpt.Endpoint.Controls = nil
	rpt.Process.Controls = nil
	rpt.Container.Controls = nil
	rpt.ContainerImage.Controls = nil
	rpt.Pod.Controls = nil
	rpt.Service.Controls = nil
	rpt.Deployment.Controls = nil
	rpt.ReplicaSet.Controls = nil
	rpt.Host.Controls = nil
	rpt.Overlay.Controls = nil

	s := dummyServer(t, token, id, version, rpt, done)
	defer s.Close()

	u, err := url.Parse(s.URL)
	if err != nil {
		t.Fatal(err)
	}

	pc := ProbeConfig{
		Token:        token,
		ProbeVersion: version,
		ProbeID:      id,
		Insecure:     false,
	}

	p, err := NewAppClient(pc, u.Host, s.URL, nil)
	if err != nil {
		t.Fatal(err)
	}
	defer p.Stop()

	// First few reports might be dropped as the client is spinning up.
	rp := NewReportPublisher(p)
	for i := 0; i < 10; i++ {
		if err := rp.Publish(rpt); err != nil {
			t.Error(err)
		}
		time.Sleep(10 * time.Millisecond)
	}

	select {
	case <-done:
	case <-time.After(100 * time.Millisecond):
		t.Error("timeout")
	}
}
Exemplo n.º 24
0
func TestWeaveTaggerOverlayTopology(t *testing.T) {
	w := overlay.NewWeave(mockHostID, weave.MockClient{})
	defer w.Stop()

	// Wait until the reporter reports some nodes
	test.Poll(t, 300*time.Millisecond, 1, func() interface{} {
		have, _ := w.Report()
		return len(have.Overlay.Nodes)
	})

	{
		// Overlay node should include peer name and nickname
		have, err := w.Report()
		if err != nil {
			t.Fatal(err)
		}

		nodeID := report.MakeOverlayNodeID(weave.MockWeavePeerName)
		node, ok := have.Overlay.Nodes[nodeID]
		if !ok {
			t.Errorf("Expected overlay node %q, but not found", nodeID)
		}
		if peerName, ok := node.Latest.Lookup(overlay.WeavePeerName); !ok || peerName != weave.MockWeavePeerName {
			t.Errorf("Expected weave peer name %q, got %q", weave.MockWeavePeerName, peerName)
		}
		if peerNick, ok := node.Latest.Lookup(overlay.WeavePeerNickName); !ok || peerNick != weave.MockWeavePeerNickName {
			t.Errorf("Expected weave peer nickname %q, got %q", weave.MockWeavePeerNickName, peerNick)
		}
		if localNetworks, ok := node.Sets.Lookup(host.LocalNetworks); !ok || !reflect.DeepEqual(localNetworks, report.MakeStringSet(weave.MockWeaveDefaultSubnet)) {
			t.Errorf("Expected weave node local_networks %q, got %q", report.MakeStringSet(weave.MockWeaveDefaultSubnet), localNetworks)
		}
	}

	{
		// Container nodes should be tagged with their overlay info
		nodeID := report.MakeContainerNodeID(weave.MockContainerID)
		have, err := w.Tag(report.Report{
			Container: report.MakeTopology().AddNode(report.MakeNodeWith(nodeID, map[string]string{
				docker.ContainerID: weave.MockContainerID,
			})),
		})
		if err != nil {
			t.Fatal(err)
		}

		node, ok := have.Container.Nodes[nodeID]
		if !ok {
			t.Errorf("Expected container node %q, but not found", nodeID)
		}

		// Should have Weave DNS Hostname
		if have, ok := node.Latest.Lookup(overlay.WeaveDNSHostname); !ok || have != weave.MockHostname {
			t.Errorf("Expected weave dns hostname %q, got %q", weave.MockHostname, have)
		}
		// Should have Weave MAC Address
		if have, ok := node.Latest.Lookup(overlay.WeaveMACAddress); !ok || have != weave.MockContainerMAC {
			t.Errorf("Expected weave mac address %q, got %q", weave.MockContainerMAC, have)
		}
		// Should have Weave container ip
		if have, ok := node.Sets.Lookup(docker.ContainerIPs); !ok || !have.Contains(weave.MockContainerIP) {
			t.Errorf("Expected container ips to include the weave IP %q, got %q", weave.MockContainerIP, have)
		}
		// Should have Weave container ip (with scope)
		if have, ok := node.Sets.Lookup(docker.ContainerIPsWithScopes); !ok || !have.Contains(mockContainerIPWithScope) {
			t.Errorf("Expected container ips to include the weave IP (with scope) %q, got %q", mockContainerIPWithScope, have)
		}
	}
}