// Validate function checks all validation for AddPeer at server side
func (p *PeerService) ValidateAdd(args *RPCPeerAddReq, reply *RPCPeerAddResp) error {
opRet = 0
opError = ""
if context.MaxOpVersion < 40000 {
opRet = -1
opError = fmt.Sprintf("GlusterD instance running on %s is not compatible", *args.Name)
}
peers, _ := peer.GetPeers()
if len(peers) != 0 {
opRet = -1
opError = fmt.Sprintf("Peer %s is already part of another cluster", *args.Name)
}
volumes, _ := volume.GetVolumes()
if len(volumes) != 0 {
opRet = -1
opError = fmt.Sprintf("Peer %s already has existing volumes", *args.Name)
}
reply.OpRet = &opRet
reply.OpError = &opError
return nil
}
// ValidateAdd validates AddPeer operation at server side
func (p *PeerService) ValidateAdd(nc netctx.Context, args *PeerAddReq) (*PeerAddResp, error) {
var opRet int32
var opError string
uuid := gdctx.MyUUID.String()
if gdctx.MaxOpVersion < 40000 {
opRet = -1
opError = fmt.Sprintf("GlusterD instance running on %s is not compatible", args.Name)
}
volumes, _ := volume.GetVolumes()
if len(volumes) != 0 {
opRet = -1
opError = fmt.Sprintf("Peer %s already has existing volumes", args.Name)
}
reply := &PeerAddResp{
OpRet: opRet,
OpError: opError,
UUID: uuid,
PeerName: gdctx.HostName,
EtcdPeerAddress: config.GetString("etcdpeeraddress"),
}
return reply, nil
}