Golang New 예제들

예제 #1

파일: server.go 프로젝트: jsdir/fleet

func New(cfg config.Config) *Server {
	m := machine.New(cfg.BootId, cfg.PublicIP, cfg.Metadata())
	m.RefreshState()

	regClient := etcd.NewClient(cfg.EtcdServers)
	regClient.SetConsistency(etcd.STRONG_CONSISTENCY)
	r := registry.New(regClient)

	eb := event.NewEventBus()
	eb.Listen()

	eventClient := etcd.NewClient(cfg.EtcdServers)
	eventClient.SetConsistency(etcd.STRONG_CONSISTENCY)
	es := registry.NewEventStream(eventClient, r)

	var verifier *sign.SignatureVerifier
	if cfg.VerifyUnits {
		var err error
		verifier, err = sign.NewSignatureVerifierFromAuthorizedKeysFile(cfg.AuthorizedKeysFile)
		if err != nil {
			log.Errorln("Failed to get any key from authorized key file in verify_units mode:", err)
			verifier = sign.NewSignatureVerifier()
		}
	}

	a, err := agent.New(r, eb, m, cfg.AgentTTL, cfg.UnitPrefix, verifier)
	if err != nil {
		//TODO: return this as an error object rather than panicking
		panic(err)
	}

	e := engine.New(r, eb, m)

	return &Server{a, e, m, r, eb, es}
}

예제 #2

파일: fleetctl.go 프로젝트: paulczar/fleet

// getRegistry initializes a connection to the Registry
func getRegistry() registry.Registry {
	tun := getTunnelFlag()

	machines := []string{globalFlags.Endpoint}
	client := etcd.NewClient(machines)

	if tun != "" {
		sshClient, err := ssh.NewSSHClient("core", tun, getChecker(), false)
		if err != nil {
			fmt.Fprintf(os.Stderr, "Failed initializing SSH client: %v\n", err)
			os.Exit(1)
		}

		dial := func(network, addr string) (net.Conn, error) {
			tcpaddr, err := net.ResolveTCPAddr(network, addr)
			if err != nil {
				return nil, err
			}
			return sshClient.DialTCP(network, nil, tcpaddr)
		}

		tr := http.Transport{
			Dial: dial,
			TLSClientConfig: &tls.Config{
				InsecureSkipVerify: true,
			},
		}

		client.SetTransport(&tr)
	}

	return registry.New(client, globalFlags.EtcdKeyPrefix)
}

예제 #3

파일: cmd.go 프로젝트: natacado/fleet

func getRegistry(context *cli.Context) *registry.Registry {
	tun := getTunnelFlag(context)
	endpoint := context.GlobalString("endpoint")

	machines := []string{endpoint}
	client := etcd.NewClient(machines)

	if tun != "" {
		sshClient, err := ssh.NewSSHClient("core", tun)
		if err != nil {
			panic(err)
		}

		dial := func(network, addr string) (net.Conn, error) {
			tcpaddr, err := net.ResolveTCPAddr(network, addr)
			if err != nil {
				return nil, err
			}
			return sshClient.DialTCP(network, nil, tcpaddr)
		}

		tr := http.Transport{
			Dial: dial,
			TLSClientConfig: &tls.Config{
				InsecureSkipVerify: true,
			},
		}

		client.SetTransport(&tr)
	}

	return registry.New(client)
}

예제 #4

파일: cmd.go 프로젝트: nullstyle/fleet

func getRegistry() *registry.Registry {
	tun := getTunnelFlag()
	endpoint := getEndpointFlag()

	machines := []string{endpoint}
	client := etcd.NewClient(machines)

	if tun != "" {
		sshClient, err := ssh.NewSSHClient("core", tun, getChecker(), false)
		if err != nil {
			log.Fatalf("Failed initializing SSH client: %v", err)
		}

		dial := func(network, addr string) (net.Conn, error) {
			tcpaddr, err := net.ResolveTCPAddr(network, addr)
			if err != nil {
				return nil, err
			}
			return sshClient.DialTCP(network, nil, tcpaddr)
		}

		tr := http.Transport{
			Dial: dial,
			TLSClientConfig: &tls.Config{
				InsecureSkipVerify: true,
			},
		}

		client.SetTransport(&tr)
	}

	return registry.New(client)
}

예제 #5

파일: server.go 프로젝트: josephyzhou/fleet

func New(cfg config.Config) *Server {
	m := machine.New(cfg.BootId, cfg.PublicIP, cfg.Metadata())
	m.RefreshState()

	regClient := etcd.NewClient(cfg.EtcdServers)
	regClient.SetConsistency(etcd.STRONG_CONSISTENCY)
	r := registry.New(regClient)

	eb := event.NewEventBus()
	eb.Listen()

	eventClient := etcd.NewClient(cfg.EtcdServers)
	eventClient.SetConsistency(etcd.STRONG_CONSISTENCY)
	es := registry.NewEventStream(eventClient)

	a, err := agent.New(r, eb, m, cfg.AgentTTL, cfg.UnitPrefix)
	if err != nil {
		//TODO: return this as an error object rather than panicking
		panic(err)
	}

	e := engine.New(r, eb, m)

	return &Server{a, e, m, r, eb, es}
}

예제 #6

파일: registry.go 프로젝트: BillTheBest/fleet

func NewRegistryClient(trans *http.Transport, endpoint, keyPrefix string, requestTimeout time.Duration) (API, error) {
	machines := []string{endpoint}
	client, err := etcd.NewClient(machines, *trans, requestTimeout)
	if err != nil {
		return nil, err
	}

	return registry.New(client, keyPrefix), nil
}

예제 #7

파일: registry.go 프로젝트: Jitendrakry/fleet

func NewRegistryClient(trans *http.Transport, endpoint, keyPrefix string) (API, error) {
	machines := []string{endpoint}
	client, err := etcd.NewClient(machines, *trans)
	if err != nil {
		return nil, err
	}

	return registry.New(client, keyPrefix), nil
}

예제 #8

파일: server.go 프로젝트: Jitendrakry/fleet

func New(cfg config.Config) (*Server, error) {
	mach, err := newMachineFromConfig(cfg)
	if err != nil {
		return nil, err
	}

	mgr, err := systemd.NewSystemdUnitManager(systemd.DefaultUnitsDirectory)
	if err != nil {
		return nil, err
	}

	eClient, err := etcd.NewClient(cfg.EtcdServers, http.Transport{})
	if err != nil {
		return nil, err
	}

	reg := registry.New(eClient, cfg.EtcdKeyPrefix)

	a, err := newAgentFromConfig(mach, reg, cfg, mgr)
	if err != nil {
		return nil, err
	}

	e := engine.New(reg, mach)

	sStream := systemd.NewEventStream(mgr)

	rStream, err := registry.NewEventStream(eClient, reg)
	if err != nil {
		return nil, err
	}

	aHandler := agent.NewEventHandler(a)
	eHandler := engine.NewEventHandler(e)

	eBus := event.NewEventBus()
	eBus.AddListener("engine", eHandler)
	eBus.AddListener("agent", aHandler)

	listeners, err := activation.Listeners(false)
	if err != nil {
		return nil, err
	}

	mux := api.NewServeMux(reg)
	for _, f := range listeners {
		go http.Serve(f, mux)
	}

	return &Server{a, e, rStream, sStream, eBus, mach, nil}, nil
}

예제 #9

파일: server.go 프로젝트: rswart/fleet

func newEngineFromConfig(mach *machine.Machine, cfg config.Config) (*engine.Engine, error) {
	regClient := etcd.NewClient(cfg.EtcdServers)
	regClient.SetConsistency(etcd.STRONG_CONSISTENCY)
	reg := registry.New(regClient, cfg.EtcdKeyPrefix)

	eClient := etcd.NewClient(cfg.EtcdServers)
	eClient.SetConsistency(etcd.STRONG_CONSISTENCY)
	eStream, err := registry.NewEventStream(eClient, reg)
	if err != nil {
		return nil, err
	}

	return engine.New(reg, eStream, mach), nil
}

예제 #10

파일: server.go 프로젝트: paulczar/fleet

func newAgentFromConfig(mach machine.Machine, cfg config.Config, mgr unit.UnitManager) (*agent.Agent, error) {
	regClient := newEtcdClientFromConfig(cfg)
	reg := registry.New(regClient, cfg.EtcdKeyPrefix)

	var verifier *sign.SignatureVerifier
	if cfg.VerifyUnits {
		var err error
		verifier, err = sign.NewSignatureVerifierFromAuthorizedKeysFile(cfg.AuthorizedKeysFile)
		if err != nil {
			log.Errorln("Failed to get any key from authorized key file in verify_units mode:", err)
			verifier = sign.NewSignatureVerifier()
		}
	}

	return agent.New(mgr, reg, mach, cfg.AgentTTL, verifier)
}

예제 #11

파일: fleetctl.go 프로젝트: jcderr/fleet

func getRegistryClient() (client.API, error) {
	var dial func(string, string) (net.Conn, error)
	tun := getTunnelFlag()
	if tun != "" {
		sshClient, err := ssh.NewSSHClient(globalFlags.SSHUserName, tun, getChecker(), false)
		if err != nil {
			return nil, fmt.Errorf("failed initializing SSH client: %v", err)
		}

		dial = func(network, addr string) (net.Conn, error) {
			tcpaddr, err := net.ResolveTCPAddr(network, addr)
			if err != nil {
				return nil, err
			}
			return sshClient.DialTCP(network, nil, tcpaddr)
		}
	}

	tlsConfig, err := etcd.ReadTLSConfigFiles(globalFlags.EtcdCAFile, globalFlags.EtcdCertFile, globalFlags.EtcdKeyFile)
	if err != nil {
		return nil, err
	}

	trans := &http.Transport{
		Dial:            dial,
		TLSClientConfig: tlsConfig,
	}

	timeout := time.Duration(globalFlags.RequestTimeout*1000) * time.Millisecond
	machines := []string{globalFlags.Endpoint}
	eClient, err := etcd.NewClient(machines, trans, timeout)
	if err != nil {
		return nil, err
	}

	reg := registry.New(eClient, globalFlags.EtcdKeyPrefix)

	if msg, ok := checkVersion(reg); !ok {
		stderr(msg)
	}

	return &client.RegistryClient{reg}, nil
}

예제 #12

파일: server.go 프로젝트: johnmontero/fleet

func New(cfg config.Config) (*Server, error) {
	mach, err := newMachineFromConfig(cfg)
	if err != nil {
		return nil, err
	}

	mgr, err := systemd.NewSystemdUnitManager(systemd.DefaultUnitsDirectory)
	if err != nil {
		return nil, err
	}

	eClient := etcd.NewClient(cfg.EtcdServers)

	reg := registry.New(eClient, cfg.EtcdKeyPrefix)

	a, err := newAgentFromConfig(mach, reg, cfg, mgr)
	if err != nil {
		return nil, err
	}

	e := engine.New(reg, mach)

	sStream := systemd.NewEventStream(mgr)

	rStream, err := registry.NewEventStream(eClient, reg)
	if err != nil {
		return nil, err
	}

	aHandler := agent.NewEventHandler(a)
	eHandler := engine.NewEventHandler(e)

	eBus := event.NewEventBus()
	eBus.AddListener("engine", eHandler)
	eBus.AddListener("agent", aHandler)

	return &Server{a, e, rStream, sStream, eBus, mach, nil}, nil
}

예제 #13

파일: server.go 프로젝트: rswart/fleet

func newAgentFromConfig(mach *machine.Machine, cfg config.Config) (*agent.Agent, error) {
	regClient := etcd.NewClient(cfg.EtcdServers)
	regClient.SetConsistency(etcd.STRONG_CONSISTENCY)
	reg := registry.New(regClient, cfg.EtcdKeyPrefix)

	eClient := etcd.NewClient(cfg.EtcdServers)
	eClient.SetConsistency(etcd.STRONG_CONSISTENCY)
	eStream, err := registry.NewEventStream(eClient, reg)
	if err != nil {
		return nil, err
	}

	var verifier *sign.SignatureVerifier
	if cfg.VerifyUnits {
		var err error
		verifier, err = sign.NewSignatureVerifierFromAuthorizedKeysFile(cfg.AuthorizedKeysFile)
		if err != nil {
			log.Errorln("Failed to get any key from authorized key file in verify_units mode:", err)
			verifier = sign.NewSignatureVerifier()
		}
	}

	return agent.New(reg, eStream, mach, cfg.AgentTTL, verifier)
}

예제 #14

파일: server.go 프로젝트: paulczar/fleet

func newRegistryEventStreamFromConfig(cfg config.Config) (*registry.EventStream, error) {
	eClient := newEtcdClientFromConfig(cfg)
	reg := registry.New(eClient, cfg.EtcdKeyPrefix)
	return registry.NewEventStream(eClient, reg)
}

예제 #15

파일: server.go 프로젝트: paulczar/fleet

func newEngineFromConfig(mach machine.Machine, cfg config.Config) (*engine.Engine, error) {
	regClient := newEtcdClientFromConfig(cfg)
	reg := registry.New(regClient, cfg.EtcdKeyPrefix)
	return engine.New(reg, mach), nil
}

예제 #16

파일: server.go 프로젝트: BillTheBest/fleet

func New(cfg config.Config) (*Server, error) {
	mgr, err := systemd.NewSystemdUnitManager(systemd.DefaultUnitsDirectory)
	if err != nil {
		return nil, err
	}

	mach, err := newMachineFromConfig(cfg, mgr)
	if err != nil {
		return nil, err
	}

	tlsConfig, err := etcd.ReadTLSConfigFiles(cfg.EtcdCAFile, cfg.EtcdCertFile, cfg.EtcdKeyFile)
	if err != nil {
		return nil, err
	}

	eTrans := http.Transport{TLSClientConfig: tlsConfig}
	timeout := time.Duration(cfg.EtcdRequestTimeout*1000) * time.Millisecond
	eClient, err := etcd.NewClient(cfg.EtcdServers, eTrans, timeout)
	if err != nil {
		return nil, err
	}

	reg := registry.New(eClient, cfg.EtcdKeyPrefix)

	pub := agent.NewUnitStatePublisher(mgr, reg, mach)
	gen := unit.NewUnitStateGenerator(mgr)

	a, err := newAgentFromConfig(mach, reg, cfg, mgr, gen)
	if err != nil {
		return nil, err
	}

	ar, err := newAgentReconcilerFromConfig(reg, eClient, cfg)
	if err != nil {
		return nil, err
	}

	e, err := newEngineFromConfig(reg, eClient, mach, cfg)
	if err != nil {
		return nil, err
	}

	listeners, err := activation.Listeners(false)
	if err != nil {
		return nil, err
	}

	hrt, mon, err := newHeartMonitorFromConfig(mach, reg, cfg)
	if err != nil {
		return nil, err
	}

	apiServer := api.NewServer(listeners, api.NewServeMux(reg))
	apiServer.Serve()

	eIval := time.Duration(cfg.EngineReconcileInterval*1000) * time.Millisecond

	srv := Server{
		agent:       a,
		aReconciler: ar,
		usGen:       gen,
		usPub:       pub,
		engine:      e,
		mach:        mach,
		hrt:         hrt,
		mon:         mon,
		api:         apiServer,
		stop:        nil,
		engineReconcileInterval: eIval,
	}

	return &srv, nil
}

예제 #17

파일: server.go 프로젝트: JuanCarlosM/fleet

func New(cfg config.Config) (*Server, error) {
	mgr, err := systemd.NewSystemdUnitManager(systemd.DefaultUnitsDirectory)
	if err != nil {
		return nil, err
	}

	mach, err := newMachineFromConfig(cfg, mgr)
	if err != nil {
		return nil, err
	}

	tlsConfig, err := etcd.TLSClientConfig(cfg.EtcdCAFile, cfg.EtcdCertFile, cfg.EtcdKeyFile)
	if err != nil {
		return nil, err
	}

	eClient, err := etcd.NewClient(cfg.EtcdServers, http.Transport{TLSClientConfig: tlsConfig})
	if err != nil {
		return nil, err
	}

	reg := registry.New(eClient, cfg.EtcdKeyPrefix)

	pub := agent.NewUnitStatePublisher(mgr, reg, mach)
	gen := unit.NewUnitStateGenerator(mgr)

	a, err := newAgentFromConfig(mach, reg, cfg, mgr, gen)
	if err != nil {
		return nil, err
	}

	ar, err := newAgentReconcilerFromConfig(reg, cfg)
	if err != nil {
		return nil, err
	}

	e := engine.New(reg, mach)

	rStream, err := registry.NewEventStream(eClient, reg)
	if err != nil {
		return nil, err
	}

	eBus := event.NewEventBus()
	eBus.AddListener(event.JobEvent, ar.Trigger)
	eBus.AddListener(event.GlobalEvent, e.Trigger)

	listeners, err := activation.Listeners(false)
	if err != nil {
		return nil, err
	}

	hrt, mon, err := newHeartMonitorFromConfig(mach, reg, cfg)
	if err != nil {
		return nil, err
	}

	apiServer := api.NewServer(listeners, api.NewServeMux(reg))
	apiServer.Serve()

	srv := Server{
		agent:       a,
		aReconciler: ar,
		usGen:       gen,
		usPub:       pub,
		engine:      e,
		rStream:     rStream,
		eBus:        eBus,
		mach:        mach,
		hrt:         hrt,
		mon:         mon,
		api:         apiServer,
		stop:        nil,
	}

	return &srv, nil
}