Jul 20, 2023

Multi-purpose wrapper plugin for Nagios

check_multi is kind of a wrapper plugin which takes benefit of the Nagios 3.x capability to display multiple lines of plugin output. It calls multiple child plugins and displays their output in the long_plugin_output. A summary is given in the standard plugin output.

Normally the child return code with the highest severity becomes the parent check_multi plugin return code. But you can influence this by specifying flexible state evaluation rules.

The configuration is very simple a NRPE-stylish config file contains a tag for each child plugin and then the check command line.

check_multi can cover complex Business Process Views - using a builtin state evaluation mechanism. The second benefit is cluster monitoring with no need for extra services. All you need is provided by check_multi.

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