// maintainRegistrations sets up any configured registrations with the underlying fsgo infrastructure.
// This method does nothing if no registrations are configured.
func (this *curatorDiscovery) maintainRegistrations() error {
if len(this.registrations) > 0 {
this.logger.Printf("Maintaining registrations: %s", this.registrations)
this.serviceDiscovery = discovery.NewServiceDiscovery(this.curatorConnection, this.basePath)
if err := this.serviceDiscovery.MaintainRegistrations(); err != nil {
return err
}
if err := this.registrations.RegisterWith(this.serviceDiscovery); err != nil {
return err
}
}
return nil
}
func (r *Registrations) Join(hostname, base string, configs []*hfile.CollectionConfig, wait time.Duration) {
if hostname == "localhost" {
log.Fatal("invalid hostname for service discovery registration:", hostname)
}
log.Println("Waiting to join service discovery", wait)
time.Sleep(wait)
log.Println("Joining service discovery...")
r.Lock()
defer r.Unlock()
for _, i := range configs {
sfunc := i.ShardFunction
capacity := i.TotalPartitions
if len(sfunc) < 1 {
capacity = "1"
sfunc = "_"
}
base := fmt.Sprintf("%s/%s/%s", i.ParentName, sfunc, capacity)
disco := discovery.NewServiceDiscovery(r.zk, curator.JoinPath(Settings.discoveryPath, base))
if err := disco.MaintainRegistrations(); err != nil {
log.Fatal(err)
}
r.existing = append(r.existing, disco)
s := discovery.NewSimpleServiceInstance(i.Partition, hostname, Settings.port)
disco.Register(s)
if Settings.rpcPort > 0 {
raw := discovery.NewSimpleServiceInstance(fmt.Sprintf("%st", i.Partition), hostname, Settings.rpcPort)
disco.Register(raw)
}
}
}