Skywing
Joined: 03 Jan 2008
Posts: 321
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 Posted: Sat Jun 14, 2008 2:08 Post subject: Nagios monitoring for NWN2 (GameSpy ping) |
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This performs the same function as the NWNX4 watchdog, in prinicple, so there may be only a limited advantage to deploying it over a game server already running with NWNX4.
In case you expect NWNX4 to fall over and die in a bad way (or are concerned about other possible breakage conditions that might happen without tripping any usual host-wide monitoring), then you might find it useful to support paging notifications for your NWN2 server via Nagios.
Doing this is fairly simple and can be done using the built-in nagios check_udp query plugin. First, one defines a new check command for querying an NWN2 game server in checkcomamnds.cfg (be careful of wordwrapping on the forum):
| Code: | define command{
command_name check_nwn2
command_line /usr/lib/nagios/plugins/check_udp -H $HOSTADDRESS$ -p $ARG1$ -w $ARG2$ -c $ARG3$ -s "BNLM" -e "BNLR" -4
} |
(This assumes that nagios's standard plugin distribution is installed at /usr/lib/nagios/plugins/ .)
Then, simply define an entry for NWN2 in services.cfg for the host in question:
| Code: | define service{
use generic-service ; Name of service template to use
host_name my_gameserver_nagios_hostname
service_description Neverwinter Nights 2
is_volatile 0
check_period 24x7
max_check_attempts 3
normal_check_interval 5
retry_check_interval 1
contact_groups my_paging_group
notification_interval 1440
notification_period 24x7
notification_options c,r
check_command check_nwn2!5121!2!5
}
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This will create a periodic query against the GameSpy ping responder in nagios for your host. The arguments to check_nwn2 are:
- Port number of game server (typically 5121).
- Max response time in seconds for the service to be considered WARNING.
- Max response time in seconds for the service to be considered CRITICAL. |
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