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,
}
}
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
}