trouble with check_mysql and USER macros

[Marc Powell]

> -----Original Message-----
> From: nagios-users-admin at lists.sourceforge.net [mailto:nagios-users-
> admin at lists.sourceforge.net] On Behalf Of Steve Shipway
> Sent: Sunday, December 04, 2005 3:22 PM
> To: 'Aleksey Tsalolikhin'; nagios-users at lists.sourceforge.net
> Subject: RE: [Nagios-users] trouble with check_mysql and USER macros
> 
> >        command_line    $USER1$/check_mysql -H $ARG1$ -d $ARG2$ -u
$ARG3$
> -p $ARG4$
> ...
> >        check_command
> check_mysql!192.168.160.2!mydbname!mydbusername!$USER4$
> >
> >and setting $USER4$ in resource.cfg, I get error
> >
> >Access denied for user 'mydbusername'@'192.168.160.1' (using
> >password: YES)
> 
> I believe that you may not be able to use $USERx$ variables in
> host/service
> definitions, although I may be wrong.  It is a bit irritating that (in
> Nagios 1.2) certain variables are available in some places and not
others
> -
> for example, not being able to pass parameters to eventhandlers.  This
is
> buried in the manual somewhere, I think.
> 

That is correct, macros can only be used in command definitions and can
not be used in other object types or passed from other object types
(excepting the $ARGn$ macros). I don't know what parameters you were
wanting to pass to event handlers but with 2.x it now appears possible
to pass almost all macros, including $ARGn$ and $USERn$ macros to event
handlers.

http://nagios.sourceforge.net/docs/2_0/macros.html

"One of the features available in Nagios is the ability to use macros in
command defintions. Immediately prior to the execution of a command,
Nagios will replace all macros in the command with their corresponding
values. This allows you to define a few generic commands to handle all
your needs."

That page goes on to detail specifically when each macro is available
for use.


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