External Scripts

External Scripts

replication-manager can automate route changes with popular proxies. however in some edge cases e.g. pacemaker or keepalived, logic like vip or hardware load balancer api calls can be managed through the external scripts option.

failover-post-script (2.0), post-failover-script (0.7)
Item Value
Description Full path of a post-failover script. This is called after the new leader has been setup. The previous master host and the newly elected master host are passed as sequential arguments.
Type string
Default Value ""
Example "/usr/local/bin/vip-up.sh"
failover-pre-script (2.0), pre-failover-script (0.7)
Item Value
Description Full path of a pre-failover script. This is called after the new leader has been elected. The previous master host and the newly elected master host are passed as sequential arguments.
Type string
Default Value ""
Example "/usr/local/bin/vip-down.sh"

External Proxy & Route

replication-manager can inject heartbeat into the route and check that the internal master is alway the one reach via the proxies or the route.

extproxy (2.0)
Item Value
Description External proxy can be used to specify a route manage with external scripts setup.
Type Boolean
Default Value false
extproxy-address (2.0)
Item Value
Description Network address when route is manage via external script, host:[port] format.
Type String
Default Value ""