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				https://github.com/MariaDB/server.git
				synced 2025-11-04 04:46:15 +01:00 
			
		
		
		
	Post-fix to MDEV-30318 and MDEV-22570-related changes: unified handling of wsrep_provider by code so that "none" is interpreted as case-insensitive everywhere and that work with an empty string is supported everywhere.
		
			
				
	
	
		
			102 lines
		
	
	
	
		
			3.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			102 lines
		
	
	
	
		
			3.4 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/* Copyright 2011 Codership Oy <http://www.codership.com>
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   Copyright 2014 SkySQL Ab.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; version 2 of the License.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program; if not, write to the Free Software
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   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
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#include "mariadb.h"
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#include "mysqld.h"
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#include "sys_vars_shared.h"
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#include "wsrep.h"
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#include "wsrep_sst.h"
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#include "wsrep_mysqld.h"
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extern char *my_bind_addr_str;
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int wsrep_check_opts()
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{
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  if (wsrep_slave_threads > 1)
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  {
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    sys_var *autoinc_lock_mode=
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      intern_find_sys_var(STRING_WITH_LEN("innodb_autoinc_lock_mode"));
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    bool is_null;
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    if (autoinc_lock_mode &&
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        autoinc_lock_mode->val_int(&is_null, 0, OPT_GLOBAL, 0) != 2)
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    {
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      WSREP_ERROR("Parallel applying (wsrep_slave_threads > 1) requires"
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                  " innodb_autoinc_lock_mode= 2.");
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      return 1;
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    }
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  }
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  if (locked_in_memory)
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  {
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    WSREP_ERROR("Memory locking is not supported (locked_in_memory=ON)");
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    return 1;
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  }
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  if (!strcasecmp(wsrep_sst_method, "mysqldump"))
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  {
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    if (my_bind_addr_str &&
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        (!strcasecmp(my_bind_addr_str, "127.0.0.1") ||
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         !strcasecmp(my_bind_addr_str, "localhost")))
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    {
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      WSREP_WARN("wsrep_sst_method is set to 'mysqldump' yet "
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                  "mysqld bind_address is set to '%s', which makes it "
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                  "impossible to receive state transfer from another "
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                  "node, since mysqld won't accept such connections. "
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                  "If you wish to use mysqldump state transfer method, "
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                  "set bind_address to allow mysql client connections "
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                  "from other cluster members (e.g. 0.0.0.0).",
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                  my_bind_addr_str);
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    }
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  }
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  else
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  {
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    // non-mysqldump SST requires wsrep_cluster_address on startup
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    if (!wsrep_cluster_address_exists())
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    {
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      WSREP_ERROR ("%s SST method requires wsrep_cluster_address to be "
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                   "configured on startup.", wsrep_sst_method);
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      return 1;
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    }
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  }
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  if (strcasecmp(wsrep_sst_receive_address, "AUTO"))
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  {
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    if (!strncasecmp(wsrep_sst_receive_address, STRING_WITH_LEN("127.0.0.1")) ||
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        !strncasecmp(wsrep_sst_receive_address, STRING_WITH_LEN("localhost")))
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    {
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      WSREP_WARN("wsrep_sst_receive_address is set to '%s' which "
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                 "makes it impossible for another host to reach this "
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                 "one. Please set it to the address which this node "
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                 "can be connected at by other cluster members.",
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                 wsrep_sst_receive_address);
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    }
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  }
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  if (strcasecmp(wsrep_provider, WSREP_NONE))
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  {
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    if (global_system_variables.binlog_format != BINLOG_FORMAT_ROW)
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    {
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      WSREP_ERROR("Only binlog_format= 'ROW' is currently supported. "
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                  "Configured value: '%s'. Please adjust your "
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                  "configuration.",
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                  binlog_format_names[global_system_variables.binlog_format]);
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      return 1;
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    }
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  }
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  return 0;
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}
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