Exemple #1
0
func NewFlowProbeBundleFromConfig(tb *probes.TopologyProbeBundle, g *graph.Graph) *FlowProbeBundle {
	list := config.GetConfig().GetStringSlice("agent.flow.probes")

	logging.GetLogger().Infof("Flow probes: %v", list)

	gfe := mappings.NewGraphFlowEnhancer(g)

	var aclient *analyzer.Client

	addr, port, err := config.GetAnalyzerClientAddr()
	if err != nil {
		logging.GetLogger().Errorf("Unable to parse analyzer client: %s", err.Error())
		return nil
	}

	if addr != "" {
		aclient, err = analyzer.NewClient(addr, port)
		if err != nil {
			logging.GetLogger().Errorf("Analyzer client error %s:%d : %s", addr, port, err.Error())
			return nil
		}
	}

	probes := make(map[string]probe.Probe)
	for _, t := range list {
		if _, ok := probes[t]; ok {
			continue
		}

		switch t {
		case "ovssflow":
			ofe := mappings.NewOvsFlowEnhancer(g)
			pipeline := mappings.NewFlowMappingPipeline(gfe, ofe)

			o := NewOvsSFlowProbesHandler(tb, g, pipeline, aclient)
			if o != nil {
				probes[t] = o
			}
		case "pcap":
			pipeline := mappings.NewFlowMappingPipeline(gfe)

			o := NewPcapProbesHandler(tb, g, pipeline, aclient)
			if o != nil {
				probes[t] = o
			}
		default:
			logging.GetLogger().Errorf("unknown probe type %s", t)
		}
	}

	p := probe.NewProbeBundle(probes)

	return &FlowProbeBundle{
		ProbeBundle: *p,
		Graph:       g,
	}
}
Exemple #2
0
func NewServerFromConfig() (*Server, error) {
	embedEtcd := config.GetConfig().GetBool("etcd.embedded")

	backend, err := graph.BackendFromConfig()
	if err != nil {
		return nil, err
	}

	g, err := graph.NewGraph(backend)
	if err != nil {
		return nil, err
	}

	httpServer, err := shttp.NewServerFromConfig("analyzer")
	if err != nil {
		return nil, err
	}

	wsServer := shttp.NewWSServerFromConfig(httpServer, "/ws")

	api.RegisterTopologyApi("analyzer", g, httpServer)

	var etcdServer *etcd.EmbeddedEtcd
	if embedEtcd {
		if etcdServer, err = etcd.NewEmbeddedEtcdFromConfig(); err != nil {
			return nil, err
		}
	}

	etcdClient, err := etcd.NewEtcdClientFromConfig()
	if err != nil {
		return nil, err
	}

	apiServer, err := api.NewApi(httpServer, etcdClient.KeysApi)
	if err != nil {
		return nil, err
	}

	captureHandler := &api.BasicApiHandler{
		ResourceHandler: &api.CaptureHandler{},
		EtcdKeyAPI:      etcdClient.KeysApi,
	}
	err = apiServer.RegisterApiHandler(captureHandler)
	if err != nil {
		return nil, err
	}

	alertHandler := &api.BasicApiHandler{
		ResourceHandler: &api.AlertHandler{},
		EtcdKeyAPI:      etcdClient.KeysApi,
	}
	err = apiServer.RegisterApiHandler(alertHandler)
	if err != nil {
		return nil, err
	}

	alertManager := alert.NewAlertManager(g, alertHandler)

	aserver := alert.NewServer(alertManager, wsServer)
	gserver := graph.NewServer(g, wsServer)

	gfe := mappings.NewGraphFlowEnhancer(g)
	ofe := mappings.NewOvsFlowEnhancer(g)

	pipeline := mappings.NewFlowMappingPipeline(gfe, ofe)

	flowtable := flow.NewTable()

	server := &Server{
		HTTPServer:          httpServer,
		WSServer:            wsServer,
		GraphServer:         gserver,
		AlertServer:         aserver,
		FlowMappingPipeline: pipeline,
		FlowTable:           flowtable,
		EmbeddedEtcd:        etcdServer,
		EtcdClient:          etcdClient,
	}
	server.SetStorageFromConfig()

	api.RegisterFlowApi("analyzer", flowtable, server.Storage, httpServer)

	cfgFlowtable_expire := config.GetConfig().GetInt("analyzer.flowtable_expire")
	flowtable.RegisterExpire(server.flowExpireUpdate, time.Duration(cfgFlowtable_expire)*time.Second)
	cfgFlowtable_update := config.GetConfig().GetInt("analyzer.flowtable_update")
	flowtable.RegisterUpdated(server.flowExpireUpdate, time.Duration(cfgFlowtable_update)*time.Second)

	return server, nil
}