Configuring and running the local balancer on a cluster node

Only applicable when integrating with multiple servers of KATA 5.0 or a later version.

To configure the local balancer on a cluster node:

1. Connect to the cluster node over SSH to gain access to the Technical Support Mode.
2. Rename the basic configuration file of the balancer with the following command:

   mv /etc/haproxy/haproxy.cfg /etc/haproxy/haproxy.cfg.orig

3. Place the previously prepared configuration haproxy.cfg configuration file in the /etc/haproxy directory and set access rights for it using the following commands:

   chown root:root /etc/haproxy/haproxy.cfg

   chmod 640 /etc/haproxy/haproxy.cfg

4. Create the /etc/rsyslog.d/haproxy.conf file with the following content:

   if $syslogfacility-text == 'local6' then /var/log/haproxy.log

   if $syslogfacility-text == 'local6' then stop

   if $programname startswith 'haproxy' then /var/log/haproxy.log

   if $programname startswith 'haproxy' then stop

5. Create the /var/log/haproxy.log file and set access rights for it using the following commands:

   touch /var/log/haproxy.log

   chown root:adm /var/log/haproxy.log

   chmod 640 /var/log/haproxy.log

6. If necessary, edit the log rotation settings file for the local balancer (/etc/logrotate.d/haproxy).

   By default, entries are rotated daily. Entries are kept for 10 days.

7. Restart the system log service:

   systemctl restart rsyslog

8. Start the local balancer service:

   systemctl start haproxy

9. Allow running the local balancer service automatically:

   systemctl enable haproxy

10. Check the status of the local balancer service:

    systemctl status haproxy

    The status must be running.

11. Check the presence of entries in the local balancer log:

    tail /var/log/haproxy.log

The local balancer is configured and started on the KSMG cluster node.

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