Cool resource macro use

[Peter Edmonds]

Thought I'd share this cool use of a resource macro as it solved a
recent problem trying to use the check_http plugin.

I needed to check a web page for today's date in the format YYYYMMDD -
tried passing $(date -d "today" +%Y%m%d) to check_http using the -s
switch, but Nagios kept eating some portion of the date output.

I then set the $USER$31 resource macro to $(date -d "today" +%Y%m%d)
then passed the $USER31$ macro to check_http -s $USER31$

Bingo ! The date command formats today's date correctly and then
passes it to check_http. Another victory for the flexibility of
Nagios.

Oh, you can do stuff like $(date -d "-1 day" +%Y%m%d) too.

I am curious as to what else could be achieved with resource macros
(especially shell arithmetic). Anyone got examples of resource macro
usage ?

Peter

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