func createRecordSets(internal bool, zone, value string, zkRouter *datamodel.ZkRouter) ([]dns.Record, error) {
var suffix string
var err error
if suffix, err = preCreateRecordSets(internal, zone, value, zkRouter); err != nil {
return nil, err
}
records := make([]dns.Record, 3)
// WEIGHT=1 router.<suffix>
records[0] = dns.NewRecord(helper.GetRegionRouterCName(internal, suffix), value, 1)
// WEIGHT=1 routerX.<zone>.<suffix>
records[1] = dns.NewRecord(zkRouter.CName, value, 1)
// WEIGHT=1 router.<zone>.<suffix>
records[2] = dns.NewRecord(helper.GetZoneRouterCName(internal, zkRouter.Zone, suffix), value, 1)
/*// WEIGHT=0 router.<zone>.<suffix> -> will be activated when needed
for _, azone := range AvailableZones {
if azone == zone {
continue
}
record := dns.NewRecord(helper.GetZoneRouterCName(internal, azone, suffix), value, 0)
records = append(records, record)
}*/ // we don't need this yet
return records, nil
}
func Register(region, value, registryCName, managerCName string) (*datamodel.ZkManager, error) {
if tmpManager, err := datamodel.GetManager(region, value); err == nil {
return tmpManager, errors.New("Already registered.")
}
// NOTE[jigish]: health check removed because we can't actually do it security-group wise.
// set up datamodel
zkManager := datamodel.Manager(region, value)
err := zkManager.Save()
if err != nil {
return zkManager, err
}
// pass through specified cnames
if managerCName != "" {
zkManager.ManagerCName = managerCName
}
if registryCName != "" {
zkManager.RegistryCName = registryCName
}
err = zkManager.Save()
if err != nil {
return zkManager, err
}
if dns.Provider == nil || (zkManager.ManagerCName != "" && zkManager.RegistryCName != "") {
return zkManager, nil
}
suffix, err := dns.Provider.Suffix(region)
if err != nil {
return nil, err
}
// set up unspecified cnames
// first delete all entries we may already have for this Value in DNS
err = dns.DeleteRecordsForValue(region, value)
if err != nil {
return zkManager, err
}
// choose cnames
managers, err := datamodel.ListManagersInRegion(region)
if err != nil {
return zkManager, err
}
managerMap := map[string]bool{}
registryMap := map[string]bool{}
for _, manager := range managers {
tmpManager, err := datamodel.GetManager(region, manager)
if err != nil {
return zkManager, err
}
managerMap[tmpManager.ManagerCName] = true
registryMap[tmpManager.RegistryCName] = true
}
cnames := []dns.Record{}
if zkManager.ManagerCName == "" {
managerNum := 1
zkManager.ManagerCName = helper.GetManagerCName(managerNum, suffix)
for ; managerMap[zkManager.ManagerCName]; managerNum++ {
zkManager.ManagerCName = helper.GetManagerCName(managerNum, suffix)
}
// managerX.<region>.<suffix>
cname := dns.NewRecord(zkManager.ManagerCName, zkManager.Host, 0)
zkManager.ManagerRecordID = cname.ID()
cnames = append(cnames, cname)
}
if zkManager.RegistryCName == "" {
registryNum := 1
zkManager.RegistryCName = helper.GetRegistryCName(registryNum, suffix)
for ; registryMap[zkManager.RegistryCName]; registryNum++ {
zkManager.RegistryCName = helper.GetRegistryCName(registryNum, suffix)
}
// registryX.<region>.<suffix>
cname := dns.NewRecord(zkManager.RegistryCName, zkManager.Host, 0)
zkManager.RegistryRecordID = cname.ID()
cnames = append(cnames, cname)
}
if len(cnames) == 0 {
return zkManager, nil
}
err = dns.Provider.CreateRecords(region, "CREATE_MANAGER "+zkManager.Host+" in "+region, cnames)
if err != nil {
return zkManager, err
}
return zkManager, zkManager.Save()
}