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Merge branch '2.2' into develop

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This commit is contained in:
Esa Korhonen
2018-05-18 16:25:31 +03:00
parent a31549221b fb56de641a
commit 709c076000
4 changed files with 56 additions and 3 deletions
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22
server/modules/monitor/mariadbmon/cluster_manipulation.cc
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@ -1549,3 +1549,25 @@ bool MariaDBMonitor::switchover_check(SERVER* new_master, SERVER* current_master
return new_master_ok && current_master_ok && gtid_ok;
}
void MariaDBMonitor::enforce_read_only_on_slaves()
{
const char QUERY[] = "SET GLOBAL read_only=1;";
for (auto iter = m_servers.begin(); iter != m_servers.end(); iter++)
{
MariaDBServer* server = *iter;
if (server->is_slave() && !server->m_read_only &&
!(server->m_version != MariaDBServer::version::BINLOG_ROUTER))
{
MYSQL* conn = server->m_server_base->con;
if (mxs_mysql_query(conn, QUERY) == 0)
{
MXS_NOTICE("read_only set to ON on server '%s'.", server->name());
}
else
{
MXS_ERROR("Setting read_only on server '%s' failed: '%s.", server->name(), mysql_error(conn));
}
}
}
}