func setupEmbedCfg(cfg *embed.Config, curls []url.URL, purls []url.URL) {
cfg.ClusterState = "new"
cfg.LCUrls, cfg.ACUrls = curls, curls
cfg.LPUrls, cfg.APUrls = purls, purls
cfg.InitialCluster = ""
for i := range purls {
cfg.InitialCluster += ",default=" + purls[i].String()
}
cfg.InitialCluster = cfg.InitialCluster[1:]
}
// startEtcd runs StartEtcd in addition to hooks needed for standalone etcd.
func startEtcd(cfg *embed.Config) (<-chan struct{}, <-chan error, error) {
defaultHost, dhErr := cfg.IsDefaultHost()
if defaultHost != "" {
if dhErr == nil {
plog.Infof("advertising using detected default host %q", defaultHost)
} else {
plog.Noticef("failed to detect default host, advertise falling back to %q (%v)", defaultHost, dhErr)
}
}
e, err := embed.StartEtcd(cfg)
if err != nil {
return nil, nil, err
}
osutil.RegisterInterruptHandler(e.Server.Stop)
<-e.Server.ReadyNotify() // wait for e.Server to join the cluster
return e.Server.StopNotify(), e.Err(), nil
}