Пример #1
0
func main() {
	config, _ := skynet.GetClientConfig()

	var err error

	config.Log = skynet.NewConsoleSemanticLogger("TestServiceClient", os.Stderr)

	client := client.NewClient(config)

	// This will not fail if no services currently exist, as
	// connections are created on demand this saves from chicken and
	// egg issues with dependencies between services
	service := client.GetService("TestService", "", "", "")
	// (any version, any region, any host)

	// This on the other hand will fail if it can't find a service to
	// connect to
	in := map[string]interface{}{
		"data": "Upcase me!!",
	}
	out := map[string]interface{}{}
	err = service.Send(nil, "Upcase", in, &out)

	if err != nil {
		fmt.Println(err)
		return
	}

	fmt.Println(out["data"].(string))
}
Пример #2
0
func NewClient(config *skynet.ClientConfig) *Client {
	// Sanity checks (nil pointers are baaad)
	if config.Log == nil {
		config.Log = skynet.NewConsoleSemanticLogger("skynet", os.Stderr)
	}
	if config.DoozerConfig == nil {
		config.DoozerConfig = &skynet.DoozerConfig{Uri: "localhost:8046"}
	}

	if config.MaxConnectionsToInstance == 0 {
		config.Log.Fatal("Must allow at least one instance connection")
	}

	doozerConn := skynet.NewDoozerConnectionFromConfig(*config.DoozerConfig,
		config.Log)
	client := &Client{
		Config:       config,
		DoozerConn:   doozerConn,
		Log:          config.Log,
		servicePools: map[string]*servicePool{},
	}

	client.Log.Trace(fmt.Sprintf("Created client '%+v'", client))

	client.DoozerConn.Connect()

	client.instanceMonitor = NewInstanceMonitor(client.DoozerConn, false)

	return client
}
Пример #3
0
func main() {
	var err error

	flag.Parse()

	log = skynet.NewConsoleSemanticLogger("dashboard", os.Stderr)
	if *mgoserver == "" {
		log.Trace(fmt.Sprintf("%+v", skynet.MongoError{
			"",
			"No mongodb server url (both -mgoserver and SKYNET_MGOSERVER missing)",
		}))
	}

	mlogger, err := skynet.NewMongoSemanticLogger(*mgoserver, "skynet",
		"log", skynet.UUID())
	if err != nil {
		log.Error(fmt.Sprintf("%+v", skynet.MongoError{
			Addr: "Could not connect to mongo db for logging",
			Err:  err.Error(),
		}))
	}
	log = skynet.NewMultiSemanticLogger(mlogger, log)

	DC = Doozer()

	http.HandleFunc("/", indexHandler)
	http.HandleFunc("/logs/search", searchHandler)
	http.Handle("/media/", http.StripPrefix("/media/", http.FileServer(http.Dir(*webroot+"/tmpl"))))
	http.Handle("/favicon.ico", http.FileServer(http.Dir(*webroot+"/tmpl/images")))
	http.Handle("/logs/ws", websocket.Handler(wsHandler))

	im := client.NewInstanceMonitor(DC, true)
	http.Handle("/instances/ws", websocket.Handler(func(ws *websocket.Conn) {
		NewInstanceSocket(ws, im)
	}))

	// Cache templates
	layoutTmpl = template.Must(template.ParseFiles(*webroot +
		"/tmpl/layout.html.template"))
	indexTmpl = template.Must(template.ParseFiles(*webroot +
		"/tmpl/index.html.template"))
	searchTmpl = template.Must(template.ParseFiles(*webroot +
		"/tmpl/search.html.template"))

	err = http.ListenAndServe(*addr, nil)
	if err != nil {
		log.Fatal("ListenAndServe: " + err.Error())
	}
}
Пример #4
0
func main() {
	testService := NewTestService()

	config, _ := skynet.GetServiceConfig()

	if config.Name == "" {
		config.Name = "TestService"
	}

	if config.Version == "" {
		config.Version = "1"
	}

	if config.Region == "unknown" {
		config.Region = "Clearwater"
	}

	var err error
	mlogger, err := skynet.NewMongoSemanticLogger("localhost", "skynet",
		"log", config.UUID)
	clogger := skynet.NewConsoleSemanticLogger("TestService", os.Stdout)
	testService.Log = skynet.NewMultiSemanticLogger(mlogger, clogger)
	config.Log = testService.Log
	if err != nil {
		config.Log.Trace("Could not connect to mongo db for logging")
	}
	service := service.CreateService(testService, config)

	// handle panic so that we remove ourselves from the pool in case
	// of catastrophic failure
	defer func() {
		service.Shutdown()
		if err := recover(); err != nil {
			log.Println("Unrecovered error occured: ", err)
		}
	}()

	// If we pass false here service will not be Registered we could
	// do other work/tasks by implementing the Started method and
	// calling Register() when we're ready
	waiter := service.Start(true)

	// waiting on the sync.WaitGroup returned by service.Start() will
	// wait for the service to finish running.
	waiter.Wait()
}
Пример #5
0
// Daemon will run and maintain skynet services.
//
// Daemon will initially deploy those specified in the file given in
// the "-config" option
//
// Daemon will run the "SkynetDeployment" service, which can be used
// to remotely spawn new services on the host.
func main() {
	config, args := skynet.GetServiceConfig()

	config.Name = "SkynetDaemon"
	config.Version = "1"

	// skydaemon does not listen to admin RPC requests
	config.AdminAddr = nil

	var err error
	mlogger, err := skynet.NewMongoSemanticLogger(config.MongoConfig.MongoHosts, "skynet",
		"log", config.UUID)
	clogger := skynet.NewConsoleSemanticLogger("skydaemon", os.Stdout)
	config.Log = skynet.NewMultiSemanticLogger(mlogger, clogger)
	if err != nil {
		config.Log.Trace("Could not connect to mongo db for logging")
	}

	deployment := &SkynetDaemon{
		Log:      config.Log,
		Services: map[string]*SubService{},
	}

	s := service.CreateService(deployment, config)

	deployment.Service = s

	// handle panic so that we remove ourselves from the pool in case of catastrophic failure
	/*defer func() {
		s.Shutdown()
		if err := recover(); err != nil {
			log.Println("Unrecovered error occured: ", err)
		}
	}()*/

	if len(args) == 1 {
		err := deployConfig(deployment, args[0])
		if err != nil {
			config.Log.Error(err.Error())
		}
	}

	// If we pass false here service will not be Registered
	// we could do other work/tasks by implementing the Started method and calling Register() when we're ready
	s.Start(true).Wait()
}
Пример #6
0
func initializeConfig(c *skynet.ServiceConfig) {
	if c.Log == nil {
		c.Log = skynet.NewConsoleSemanticLogger("skynet", os.Stderr)
	}

	if c.Name == "" {
		c.Name = "SkynetService"
	}

	if c.Version == "" {
		c.Version = "1"
	}

	if c.Region == "" {
		c.Region = "local"
	}

	if c.ServiceAddr == nil {
		c.ServiceAddr = &skynet.BindAddr{}
	}

	if c.ServiceAddr.IPAddress == "" {
		c.ServiceAddr.IPAddress = "127.0.0.1"
	}

	if c.ServiceAddr.Port == 0 {
		c.ServiceAddr.Port = 9000
	}
	if c.ServiceAddr.MaxPort == 0 {
		c.ServiceAddr.MaxPort = 9999
	}

	if c.DoozerConfig == nil {
		c.DoozerConfig = &skynet.DoozerConfig{
			Uri:          "127.0.0.1:8046",
			AutoDiscover: true,
		}
	}

	if c.DoozerUpdateInterval == 0 {
		c.DoozerUpdateInterval = 5 * time.Second
	}
}
Пример #7
0
func main() {
	logger := skynet.NewConsoleSemanticLogger("Sky", os.Stdout)

	config = skynet.ClientConfig{
		DoozerConfig: &skynet.DoozerConfig{},
		Log:          logger,
	}
	skynet.FlagsForClient(&config, flagset)

	err := flagset.Parse(os.Args[1:])
	if err != nil {
		fmt.Println(err)
		return
	}

	query := &skynet.Query{
		DoozerConn: Doozer(config.DoozerConfig),
		Service:    *ServiceNameFlag,
		Version:    *VersionFlag,
		Host:       *HostFlag,
		Region:     *RegionFlag,
		Port:       *PortFlag,
	}

	fmt.Println(flagset.Args())

	switch flagset.Arg(0) {
	case "help", "h":
		CommandLineHelp()
	case "services":
		ListServices(query)
	case "hosts":
		ListHosts(query)
	case "regions":
		ListRegions(query)
	case "instances":
		ListInstances(query)
	case "versions":
		ListServiceVersions(query)
	case "topology":
		PrintTopology(query)
	case "register":
		Register(query)
	case "unregister":
		Unregister(query)
	case "stop":
		Stop(query)
	case "restart":
		Restart(query)
	case "deploy":
		args := flagset.Args()
		fmt.Println(args)
		if len(args) < 2 {
			fmt.Println("Usage: deploy <service path> <args>")
			return
		}

		Deploy(query, args[1], args[2:]...)

	case "cli":
		InteractiveShell()

	default:
		CommandLineHelp()
	}
}