// Creates a new tunnel establisher.
func NewSSHTunnelEstablisher(registerInMode bool) *SSHTunnelEstablisher {
self := new(SSHTunnelEstablisher)
self.closables = []io.Closer{}
self.ciHostURL = nil
self.aliveTicker, self.aliveTickEvaluator = time.NewTicker(nodeSshTunnelAliveMonitoringInterval), time.NewTicker(nodeSshTunnelAliveMonitoringInterval)
self.expectedAliveTick, self.lastAliveTick = util.NewAtomicInt32(), util.NewAtomicInt32()
self.tunnelConnected = util.NewAtomicBoolean()
if registerInMode {
modes.RegisterModeListener(func(mode modes.ExecutableMode, nextStatus int32, config *util.Config) {
if !config.CITunnelSSHEnabled || config.CITunnelSSHAddress == "" || mode.Name() != "client" || !config.HasCIConnection() {
return
}
if nextStatus == modes.ModeStarting {
var err error
if self.ciHostURL, err = url.Parse(config.CIHostURI); err != nil {
util.GOut("ssh-tunnel", "ERROR: Failed parsing Jenkins URI. Cannot tunnel connections to Jenkins. Cause: %v", err)
return
}
self.setupSSHTunnel(config)
} else if nextStatus == modes.ModeStopped {
self.tearDownSSHTunnel(config)
}
})
}
return self
}
func (self *JenkinsClientDownloader) Prepare(config *util.Config) {
util.ClientJar, _ = filepath.Abs(ClientJarName)
modes.RegisterModeListener(func(mode modes.ExecutableMode, nextStatus int32, config *util.Config) {
if mode.Name() == "client" && nextStatus == modes.ModeStarting && config.HasCIConnection() {
if err := self.downloadJar(config); err != nil {
jar, e := os.Open(ClientJarName)
defer jar.Close()
if os.IsNotExist(e) {
panic(fmt.Sprintf("No jenkins client: %s", err))
} else {
util.GOut("DOWNLOAD", "%s", err)
}
}
}
})
}
