| # /etc/systemd/system/clustercheck.socket | |
| [Unit] | |
| Description=MySQL Clustercheck Socket | |
| [Socket] | |
| ListenStream=9200 | |
| Accept=true | |
| [Install] | |
| WantedBy=sockets.target |
| # /etc/systemd/system/clustercheck@.service | |
| [Unit] | |
| Description=MySQL Clustercheck | |
| After=network.target | |
| [Service] | |
| User=nobody | |
| ExecStart=-/usr/bin/clustercheck clustercheck AoWdTTItrUqNo9aNY | |
| StandardInput=socket |
| # /etc/rsyslog.d/mysql_clustercheck.conf | |
| # | |
| # systemd log fixup - No, we don't want to log mysql clustercheck systemd | |
| # messages everytime haproxy connects (every 500ms per LB in our case) | |
| if $programname == 'systemd' and $msg contains 'Starting MySQL Clustercheck' then stop | |
| if $programname == 'systemd' and $msg contains 'Started MySQL Clustercheck' then stop |
Clustercheck is a script to make a proxy (ie. haproxy) capable of monitoring Percona XtraDB Cluster nodes properly. This is a config to run clustercheck/mysqlchk from systemd instead of xinetd.
cp clustercheck.socket /etc/systemd/system
cp clustercheck@.service /etc/systemd/system
systemctl enable clustercheck.socket
systemctl start clustercheck.socket