Exemplo n.º 1
0
func NewAgent() *Agent {
	backend, err := graph.NewMemoryBackend()
	if err != nil {
		panic(err)
	}

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

	hostname, err := os.Hostname()
	if err != nil {
		panic(err)
	}

	hserver, err := shttp.NewServerFromConfig("agent")
	if err != nil {
		panic(err)
	}

	_, err = api.NewApi(hserver, nil)
	if err != nil {
		panic(err)
	}

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

	root := g.NewNode(graph.Identifier(hostname), graph.Metadata{"Name": hostname, "Type": "host"})

	api.RegisterTopologyApi("agent", g, hserver)

	gserver := graph.NewServer(g, wsServer)

	return &Agent{
		Graph:       g,
		WSServer:    wsServer,
		GraphServer: gserver,
		Root:        root,
		HTTPServer:  hserver,
	}
}
Exemplo n.º 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
}