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Assign Relay Master only to running servers

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The Relay Master status was set for servers that were down. The check for
valid master and node IDs was missing which caused a false positive.
This commit is contained in:
Markus Makela 2016-09-13 21:19:44 +03:00
parent da9c7db231
commit ff7634113b
1 changed files with 3 additions and 1 deletions
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4
server/modules/monitor/mysqlmon/mysql_mon.c
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@ -719,6 +719,7 @@ monitorDatabase(MONITOR *mon, MONITOR_SERVERS *database)
/* Also clear M/S state in both server and monitor server pending struct */
server_clear_status(database->server, SERVER_SLAVE);
server_clear_status(database->server, SERVER_MASTER);
server_clear_status(database->server, SERVER_RELAY_MASTER);
monitor_clear_pending_status(database, SERVER_SLAVE);
monitor_clear_pending_status(database, SERVER_MASTER);
monitor_clear_pending_status(database, SERVER_RELAY_MASTER);
@ -1207,7 +1208,8 @@ monitorMain(void *arg)
MYSQL_SERVER_INFO *serv_info = hashtable_fetch(handle->server_info, ptr->server->unique_name);
ss_dassert(serv_info);
if (getSlaveOfNodeId(mon->databases, ptr->server->node_id) &&
if (ptr->server->node_id > 0 && ptr->server->master_id > 0 &&
getSlaveOfNodeId(mon->databases, ptr->server->node_id) &&
getServerByNodeId(mon->databases, ptr->server->master_id) &&
(!handle->multimaster || serv_info->group == 0))
{