func (registrar *Registrar) updateRegistrationBasedOnHealthCheck(client *gibson.CFRouterClient) {
current := registrar.HealthChecker.Check()
if (!current) && registrar.previousHealthStatus {
registrar.logger.Info("Health check status changed to unavailabile; unregistering the route")
client.Unregister(registrar.Config.Port, registrar.Config.ExternalHost)
} else if current && (!registrar.previousHealthStatus) {
registrar.logger.Info("Health check status changed to availabile; registering the route")
client.Register(registrar.Config.Port, registrar.Config.ExternalHost)
}
registrar.previousHealthStatus = current
}
func (registrar *Registrar) registerSignalHandler(done chan bool, client *gibson.CFRouterClient) {
go func() {
select {
case <-registrar.SignalChannel:
registrar.logger.Info("Received SIGTERM or SIGINT; unregistering the route")
client.Unregister(registrar.Config.Port, registrar.Config.ExternalHost)
done <- true
}
}()
signal.Notify(registrar.SignalChannel, syscall.SIGINT, syscall.SIGTERM)
}