func WatchServices(receiver chan *etcd.Response) {
client := clients.EtcdClient()
if client == nil {
fmt.Println("Error connecting to etcd")
}
// Set the directory
client.SetDir(etcdWatchKey, 0)
for {
fmt.Printf("Created etcd watcher: key=%s\n", etcdWatchKey)
_, err := client.Watch(etcdWatchKey, 0, true, receiver, nil)
var errString string
if err == nil {
errString = "N/A"
} else {
errString = err.Error()
}
fmt.Printf("etcd watch exited: key=%s, err=\"%s\"\n", etcdWatchKey, errString)
}
}
func HandleServiceChanges(receiver chan *etcd.Response) {
// Do an initial sync and then listen for any messages on the receiver
// Go and fetch all the services from etcd
etcdClient := clients.EtcdClient()
if etcdClient == nil {
fmt.Println("Couldn't connect to etcd")
return
}
handleChange(etcdClient)
for _ = range receiver {
handleChange(etcdClient)
}
}