check_nrpe_multiplexor

This plugin is intended for use with clusters of servers where it is OK if at least one of them is in an OK state, in fact if in a hot standby situation there should only ever be one actualy providing a service in some situations. Rather than just checking pairs of hosts this is generalised to run a provided nrpe test over N hosts and report the 'best' result of doing so. As an aditional twist a second nrpe script can be provided as a 'conditional and'. This script is only run against those servers which are an OK state for the first test. Writing a smarter plugin would be a better solution but this is available for when combining two existing proven commands is easier than getting a new one rolled out to hosts. The nrpe commands and their arguments is up to you, this is only a multiplexor. The command is executed the same on each host (i.e. exact same args). If you have the need for meta-data subsitutions (e.g. name of host passed), then be my guest - fix it :) How to sensibly present a compound result is a bit up in the air. You may need to tailor that to your needs. At the moment if there is a secondary command the results of that are reported, throwing away any results from the primary.

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