Script execute if all Proxies are dead

[Chris Taylor (chtaylo2)]

We’re using freeradius-2.2.6-6.el6_7    to proxy inbound radius requests to home servers.

 

proxy.conf

home_server_pool primary_radius_auth {

      type = fail-over

      home_server = server1.fqdn.com

      home_server = server2.fqdn.com

      home_server = server3.fqdn.com

      home_server = server4.fqdn.com

}

 

Works great, until last night when we found all home servers were erroring in the log file. 

 

Jan 19 21:48:55 proxy-server radiusd[17073]: No response to status check 16506 for home server 00.00.00.01 port 1812

Jan 19 21:48:57 proxy-server radiusd[17073]: No response to status check 16509 for home server 00.00.00.02 port 1812

Jan 19 21:49:00 proxy-server radiusd[17073]: No response to status check 16510 for home server 00.00.00.03 port 1812

Jan 19 21:49:00 proxy-server radiusd[17073]: No response to status check 16510 for home server 00.00.00.04 port 1812

 

After this was noticed, we restarted the radiusd service on, and it fixed the issue.   My question is, any suggestions on how we could kick a shell script if the status check determines all home servers are down at a given point? I’d like to have it restart the service, in an attempt to self-heal. 

 

Thanks

Chris

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