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MDEV-6593 : domain_id based replication filters

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Implementation for domain ID based filtering of replication events.
This commit is contained in:
Nirbhay Choubey
2014-12-03 22:30:48 -05:00
parent 7bf4f9f7f6
commit a50ddebb5c
24 changed files with 2889 additions and 112 deletions
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68
sql/sql_repl.cc
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@ -2429,6 +2429,16 @@ impossible position";
}
});
/* Abort server before it sends the XID_EVENT */
DBUG_EXECUTE_IF("crash_before_send_xid",
{
if (event_type == XID_EVENT)
{
my_sleep(2000000);
DBUG_SUICIDE();
}
});
/* reset transmit packet for next loop */
if (reset_transmit_packet(thd, flags, &ev_offset, &errmsg))
goto err;
@ -3224,6 +3234,8 @@ bool change_master(THD* thd, Master_info* mi, bool *master_info_added)
char relay_log_info_file_tmp[FN_REFLEN];
my_off_t saved_log_pos;
LEX_MASTER_INFO* lex_mi= &thd->lex->mi;
DYNAMIC_ARRAY *do_ids, *ignore_ids;
DBUG_ENTER("change_master");
mysql_mutex_assert_owner(&LOCK_active_mi);
@ -3355,33 +3367,30 @@ bool change_master(THD* thd, Master_info* mi, bool *master_info_added)
mi->heartbeat_period= (float) MY_MIN(SLAVE_MAX_HEARTBEAT_PERIOD,
(slave_net_timeout/2.0));
mi->received_heartbeats= 0; // counter lives until master is CHANGEd
/*
reset the last time server_id list if the current CHANGE MASTER
Reset the last time server_id list if the current CHANGE MASTER
is mentioning IGNORE_SERVER_IDS= (...)
*/
if (lex_mi->repl_ignore_server_ids_opt == LEX_MASTER_INFO::LEX_MI_ENABLE)
reset_dynamic(&mi->ignore_server_ids);
for (uint i= 0; i < lex_mi->repl_ignore_server_ids.elements; i++)
{
ulong s_id;
get_dynamic(&lex_mi->repl_ignore_server_ids, (uchar*) &s_id, i);
if (s_id == global_system_variables.server_id && replicate_same_server_id)
/* Check if the list contains replicate_same_server_id */
for (uint i= 0; i < lex_mi->repl_ignore_server_ids.elements; i ++)
{
my_error(ER_SLAVE_IGNORE_SERVER_IDS, MYF(0), static_cast<int>(s_id));
ret= TRUE;
goto err;
}
else
{
if (bsearch((const ulong *) &s_id,
mi->ignore_server_ids.buffer,
mi->ignore_server_ids.elements, sizeof(ulong),
(int (*) (const void*, const void*))
change_master_server_id_cmp) == NULL)
insert_dynamic(&mi->ignore_server_ids, (uchar*) &s_id);
ulong s_id;
get_dynamic(&lex_mi->repl_ignore_server_ids, (uchar*) &s_id, i);
if (s_id == global_system_variables.server_id && replicate_same_server_id)
{
my_error(ER_SLAVE_IGNORE_SERVER_IDS, MYF(0), static_cast<int>(s_id));
ret= TRUE;
goto err;
}
}
/* All ok. Update the old server ids with the new ones. */
update_change_master_ids(&lex_mi->repl_ignore_server_ids,
&mi->ignore_server_ids);
}
sort_dynamic(&mi->ignore_server_ids, (qsort_cmp) change_master_server_id_cmp);
if (lex_mi->ssl != LEX_MASTER_INFO::LEX_MI_UNCHANGED)
mi->ssl= (lex_mi->ssl == LEX_MASTER_INFO::LEX_MI_ENABLE);
@ -3437,6 +3446,27 @@ bool change_master(THD* thd, Master_info* mi, bool *master_info_added)
lex_mi->relay_log_name || lex_mi->relay_log_pos)
mi->using_gtid= Master_info::USE_GTID_NO;
do_ids= ((lex_mi->repl_do_domain_ids_opt ==
LEX_MASTER_INFO::LEX_MI_ENABLE) ?
&lex_mi->repl_do_domain_ids : NULL);
ignore_ids= ((lex_mi->repl_ignore_domain_ids_opt ==
LEX_MASTER_INFO::LEX_MI_ENABLE) ?
&lex_mi->repl_ignore_domain_ids : NULL);
/*
Note: mi->using_gtid stores the previous state in case no MASTER_USE_GTID
is specified.
*/
if (mi->domain_id_filter.update_ids(do_ids, ignore_ids, mi->using_gtid))
{
my_error(ER_MASTER_INFO, MYF(0),
(int) lex_mi->connection_name.length,
lex_mi->connection_name.str);
ret= TRUE;
goto err;
}
/*
If user did specify neither host nor port nor any log name nor any log
pos, i.e. he specified only user/password/master_connect_retry, he probably