func keepAlive(name string, id string) {
var err error
discoveryConf := cfg.GetAgentDiscovery()
ticker := time.NewTicker(time.Duration(discoveryConf.TTL-1) * time.Second)
opt := discovery.Options{
"TTL": time.Duration(discoveryConf.TTL) * time.Second,
}
ch_stop := ch.CreateInstanceChannel(id)
isntanceKey := discoveryConf.AppRoot + "/" + name + "/" + id
instanceValue := addressMap[id]
for {
select {
case <-ticker.C:
err = discovery.Set(isntanceKey, instanceValue, opt)
if err != nil {
log.WithFields(log.Fields{
"service": name,
"instance": id,
"address": instanceValue,
"err": err,
}).Errorln("Error keeping instance alive")
}
case <-ch_stop:
log.Debugln("Stopping keep alive routine")
return
}
}
}
func UnregisterServiceInstance(name string, id string) {
discoveryConf := cfg.GetAgentDiscovery()
isntanceKey := discoveryConf.AppRoot + "/" + name + "/" + id
discovery.Delete(isntanceKey)
ch_stop, err := ch.GetInstanceChannel(id)
if err != nil {
log.WithFields(log.Fields{
"service": name,
"instance": id,
"err": err,
}).Errorln("Error getting instance stop channel")
return
}
ch_stop <- struct{}{}
ch.RemoveInstanceChannel(id)
}
func RegisterServiceInstanceId(name string, id string) {
var err error
discoveryConf := cfg.GetAgentDiscovery()
opt := discovery.Options{
"TTL": time.Duration(discoveryConf.TTL) * time.Second,
}
isntanceKey := discoveryConf.AppRoot + "/" + name + "/" + id
instanceValue := addressMap[id]
err = discovery.Set(isntanceKey, instanceValue, opt)
if err != nil {
log.WithFields(log.Fields{
"service": name,
"instance": id,
"address": instanceValue,
"err": err,
}).Errorln("Error registering service instance to discovery service")
}
}