moved default setting to config.ini to MgmtSrvr

only try to connect to other ndb_mgmd if connect_string explicitly given or config_file not given

ndb/src/mgmsrv/MgmtSrvr.cpp

@@ -432,15 +432,20 @@ MgmtSrvr::MgmtSrvr(SocketServer *socket_server,
   theFacade = 0;
 
   m_newConfig = NULL;
-  m_configFilename.assign(config_filename);
+  if (config_filename)
+    m_configFilename.assign(config_filename);
+  else
+    m_configFilename.assign("config.ini");
 
   m_nextConfigGenerationNumber = 0;
 
   m_config_retriever= new ConfigRetriever(connect_string,
 					  NDB_VERSION, NDB_MGM_NODE_TYPE_MGM);
-
+  // if connect_string explicitly given or
+  // no config filename is given then
   // first try to allocate nodeid from another management server
-  if(m_config_retriever->do_connect(0,0,0) == 0)
+  if ((connect_string || config_filename == NULL) &&
+      (m_config_retriever->do_connect(0,0,0) == 0))
   {
     int tmp_nodeid= 0;
     tmp_nodeid= m_config_retriever->allocNodeId(0 /*retry*/,0 /*delay*/);

ndb/src/mgmsrv/main.cpp

@@ -188,7 +188,6 @@ int main(int argc, char** argv)
 #endif
 
   global_mgmt_server_check = 1;
-  glob.config_filename= "config.ini";
 
   const char *load_default_groups[]= { "mysql_cluster","ndb_mgmd",0 };
   load_defaults("my",load_default_groups,&argc,&argv);