check_minecraft

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Description:

These plugins will monitor various aspects of a “Bukkit” Minecraft server.

– World size in MB (PerfData)
– Ticks per Second (PerfData)
– Server Health
– # of Players / Slots (PerfData)
– Server Memory stats (PerfData)

– The plugins DO NOT accept any arguments at this time.
– The plugins DO NOT output any status other than OK except for minecraft_serverhealth which is either OK or CRITICAL.
– It is assumed that you are familiar with Nagio and PNP4Nagios to generate graphs based on perfdata

Tested on:
Theses were written and tested on CraftBukkit 1.3.1-R1.0, running on Ubuntu 12.xx (64-bit)

Prerequisites:
– CraftBukkit 1.3.1-R1.0 (http://dl.bukkit.org/downloads/craftbukkit/)
– Performance Monitor Plugin for CraftBukkit (http://plugins.bukkit.org)
– mcrcon for Linux (http://sourceforge.net/projects/mcrcon/)

Current Version

1.0

Last Release Date

2012-08-08

Compatible With

Nagios 3.x

Owner

Steven Brown

License

GPL

File	Description
minecraft_serverhealth.sh	Shows the server health as determined by the Performance Monitor plugin
minecraft_servermemory.sh	Shows total allocated memory, free and used.
minecraft_serverplayers.sh	Shows # of players vs how many slots are available
minecraft_servertps.sh	Shows ticks per second
minecraft_world_size.sh	Shows the size of the world folders
Memory Usage Graph.png	Screenshot - Memory Usage Graph
Number of Players.png	Screenshot - Number of Players Graph
World Size.png	Screenshot - World Size Graph

You will need to install CraftBukkit and get both plugins installed and working before you begin configuring the plugins. Additional CraftBukkit configuration: 1. Edit the server.properties file and set the following: enable-rcon=true rcon.port=25575 rcon.password=password If these properties do not exist, add them. 2. Restart minecraft 3. Put mcrcon somewhere, make sure mcrcon is executable 4. Edit the path to mcrcon / host / port and password in the plugins (except world_size) 5. Edit minecraft_world_size and put the path to your minecraft directory. The script assumes that the world folders begin with "world", if yours is different, it shouldn't be too hard to alter the script. 6. Configure the plugins as any other in Nagios

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check_minecraft_server

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