GetDeployingProgress 추가

server/operation.go

@@ -418,6 +418,10 @@ func (os *operationServer) Hosts() map[string]hostSnapshot {
 	return os.hp.allHosts()
 }
 
+func (os *operationServer) DeplyingProgress() []*protos.DeployingProgress {
+	return os.db.clone()
+}
+
 func newOperationServer() *operationServer {
 	return &operationServer{
 		hp: hostPool{