To test out external ticketing plugin integration, Inmemory ticketer plugin is added as a OSGi feature.
This can be installed by adding feature
Once installed, use
opennms:inmemory-ticketer karaf command to query/update ticket state.
Configurations has to be made in the Horizon etc directory.
sudo vi etc/opennms.properties.d/inmemory-ticketer.properties
opennms.ticketer.plugin = org.opennms.netmgt.ticketd.OSGiBasedTicketerPlugin opennms.alarmTroubleTicketEnabled = true