func getRegistryClient() (client.API, error) {
var dial func(string, string) (net.Conn, error)
tun := getTunnelFlag()
if tun != "" {
sshClient, err := ssh.NewSSHClient("core", 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.TLSClientConfig(globalFlags.EtcdCAFile, globalFlags.EtcdCertFile, globalFlags.EtcdKeyFile)
if err != nil {
return nil, err
}
trans := http.Transport{
Dial: dial,
TLSClientConfig: tlsConfig,
}
return client.NewRegistryClient(&trans, globalFlags.Endpoint, globalFlags.EtcdKeyPrefix)
}
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
}