func (v Vulcand) Init() {
if etcdmachines == "" {
var err error
etcdmachines, err = environment.GetEnvValue("ETCD_MACHINES")
if err != nil {
log.Fatal(err)
} else {
refreshEtcdMachines()
}
}
}
func Init() {
if heraldType == "" {
var err error
heraldType, err = environment.GetEnvValue("SERVICE_DECLARATION")
if err != nil {
log.Fatal(err)
}
}
if dec, ok := heraldTypes[heraldType]; ok {
DefaultHerald = dec
DefaultHerald.Init()
return
}
err := fmt.Errorf("Use of an unregistered herald type: %v")
log.Fatal(err)
}
func refreshEtcdMachines() {
go func() {
for _ = range time.Tick(time.Duration(environment.Frequency()) * time.Second) {
machines, err := environment.GetEnvValue("ETCD_MACHINES")
if err != nil || machines == "" {
if err != nil {
fmt.Fprint(os.Stderr, err)
}
if machines == "" {
fmt.Fprintf(os.Stderr, "ETCD_MACHINES not set.")
}
} else {
etcdmachines = machines
}
}
}()
}