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MXS-2163 Make MariaDBMon recognize Clustrix

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To allow MariaDBMon to be used with Clustrix we need to handle
Clustrix separately as its apparent version is 5.0.45, which is
lower than what MariaDBMon supports. Further, we must ensure that
Clustrix does not query the slave status as there are no slaves
in the M/S sense in a Clustrix cluster.

NOTE: Once there is a specific Clustrix monitor, this code should
be removed.
This commit is contained in:
Johan Wikman
2018-11-27 16:08:05 +02:00
parent a4d073ec56
commit 55a39268c6
2 changed files with 13 additions and 4 deletions
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14
server/modules/monitor/mariadbmon/mariadbserver.cc
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@ -236,7 +236,11 @@ bool MariaDBServer::do_show_slave_status(string* errmsg_out)
unsigned int columns = 0;
string query;
bool all_slaves_status = false;
if (m_capabilities.gtid || m_srv_type == server_type::BINLOG_ROUTER)
if (m_srv_type == server_type::CLUSTRIX)
{
return false;
}
else if (m_capabilities.gtid || m_srv_type == server_type::BINLOG_ROUTER)
{
// Versions with gtid also support the extended slave status query.
columns = 42;
@ -891,8 +895,12 @@ void MariaDBServer::update_server_version()
// Check whether this server is a MaxScale Binlog Server.
MYSQL_RES* result;
if (mxs_mysql_query(conn, "SELECT @@maxscale_version") == 0
&& (result = mysql_store_result(conn)) != NULL)
if (strcasestr(srv->version_string, "clustrix") != nullptr)
{
m_srv_type = server_type::CLUSTRIX;
}
else if (mxs_mysql_query(conn, "SELECT @@maxscale_version") == 0
&& (result = mysql_store_result(conn)) != NULL)
{
m_srv_type = server_type::BINLOG_ROUTER;
mysql_free_result(result);