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