[Nagiosplug-devel] [ nagiosplug-New Plugins-1342716 ] email delivery plugin (smtp send and imap receive)
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Sun Oct 30 12:04:54 CET 2005
New Plugins item #1342716, was opened at 2005-10-30 20:04
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Category: Perl plugin
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Jonathan Buhacoff (jbuhacoff)
Assigned to: Nobody/Anonymous (nobody)
Summary: email delivery plugin (smtp send and imap receive)
Initial Comment:
The email delivery plugin I wrote uses two other plugins (smtp
send and imap receive), also included, to send a message to an
email account and then check that account for the message and
delete it. The plugin times how long it takes for the message to be
delivered and the warning and critical thresholds are for this
elapsed time.
A few notes:
1. I tried to use the check_smtp plugin for sending mail. I can do
it on the command line but I can't get the newlines to happen from
the config file (\n doesn't seem to work so smtp server waits for
the '.' but doesn't get it like it does when i use single quote and
newlines from the command line). So if you know how to get the
check_smtp plugin to send a message from the nagios config,
that one could be used instead of the check_smtp_send plugin
included here (and also please let me know, jonathan at pnc.net)
2. The check_smtp_send plugin I included lets you specify
custom headers and body, and this is used by email delivery
plugin.
3. The check_imap_receive plugin I included lets you search for a
specific message in any mailbox via options, and this is used by
email delivery plugin. The email delivery plugin could also be
modified to use a POP account with a suitable plugin for checking
pop (see "pop3(s) email matching plugin" by kkvenkit). If this is
possible to do using the existing check_imap plugin please let me
know how, I couldn't find any examples: jonathan at pnc.net
4. I looked at check_mail.pl by bledi51 and its pretty good, and
also conforms better to nagios perl plugin guidelnes than mine
does. So I'm going to be revising my plugins to conform more.
5. I think I made a mistake in the concept of using the email
delivery plugin's options. Right now it takes very specific mail
from / mail to options and connection options for the smtp and
imap plugins. Maybe it would be better to accept just two options
that are long strings which actually specify a complete plugin
command-line to run (with the $USER1$ macro of course) and
then use them a little more blindly. This might make it more
difficult to generate unique id's for emails on the fly as is done
now, but on the other hand I noticed after using the plugin for a
while that using unique id's just means the email accumulates on
the recipient account when a problem does occur. So this might
change and I'll provide both options.
6. The plugin fails with UNKNOWN status code when required perl
modules are missing, and it prints a list of missing modules, but
when I view this on my nagios website it says "no output!", and
i've tried printing the missing modules list on stdout and stderr,
without success. So if anyone knows how to get status
messages to show up when using UNKNOWN status code, please
let me know: jonathan at pnc.net
Finally, usage example from my own nagios config:
define command{
command_name check_email_delivery
command_line $USER1$/check_email_delivery -H
$HOSTADDRESS$ --mailfrom $ARG3$ --mailto $ARG4$ --
username $ARG5$ --password $ARG6$ --libexec $USER1$ -w
$ARG1$ -c $ARG2$
}
define service{
use generic-service
host_name mail.your.net
service_description EMAIL DELIVERY
check_command check_email_delivery!5!120!
sender at your.net!recipient at your.net!recipient at your.net!password
}
References to similar plugins:
pop3(s) email matching plugin by kkvenkit
check_mail.pl by bledi51
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