RFC: Proposal for a new patch before releasing of v2.0 (to be included)

[Stefano Coletta]

Hello,

I've patched Nagios to add support for HTML email with urlencoded 
parameters.

You can find a screenshot as attachment where it is shown the final 
result from user point of view. The four links in the screenshot will 
point to the appropriate pages.

Here are the new commands to send emails:

define command {
command_name                   notify-by-email
command_line                   /usr/bin/printf "%b" "To: 
$CONTACTEMAIL$\r\nMime-Version: 1.0\r\nContent-Type: 
text/html\r\nContent-Base: http://nagiosbox\r\nSubject:  $SERVICESTATE$ 
alert for $HOSTALIAS$/$SERVICEDESC$\x21\r\n\r\n***** Nagios 1.1 
*****<br><br>Notification Type: $NOTIFICATIONTYPE$<br>Host: 
$HOSTNAME$<br>Service: $SERVICEDESC$<br>State: 
$SERVICESTATE$<br>Address: $HOSTADDRESS$<br>Info: 
$OUTPUT$<br><br>Date/Time: $DATETIME$<br><br><A 
href=\"/cgi-bin/avail.cgi?host=$ENCODEDHOSTNAME$&show_log_entries\"><img 
src=\"/images/trends.gif\" border=\"0\" alt=\"Command\"> Show 
availability report</A><br><A 
href=\"/cgi-bin/extinfo.cgi?type=2&host=$ENCODEDHOSTNAME$&service=$ENCODEDSERVICEDESC$\"><img 
src=\"/images/status2.gif\" border=\"0\" alt=\"Command\"> Show service 
details</A><br><A 
href=\"/cgi-bin/statusmap.cgi?layout=1&host=$ENCODEDHOSTNAME$\"><img 
src=\"/images/status3.gif\" border=\"0\" alt=\"Command\"> Locate on 
Map</A><br><A href=\"/cgi-bin/status.cgi?host=$ENCODEDHOSTNAME$\"><img 
src=\"/images/status2.gif\" border=\"0\" alt=\"Command\"> Show 
services</A><br>" | /usr/sbin/sendmail -t
}

define command {
command_name                   host-notify-by-email
command_line                   /usr/bin/printf "%b" "To: 
$CONTACTEMAIL$\r\nMime-Version: 1.0\r\nContent-Type: 
text/html\r\nContent-Base: http://nagiosbox\r\nSubject: Host $HOSTSTATE$ 
alert for $HOSTNAME$\x21\r\n\r\n***** Nagios 1.1 
*****<br><br>Notification Type: $NOTIFICATIONTYPE$<br>Host: 
$HOSTNAME$<br>State: $HOSTSTATE$<br>Address: $HOSTADDRESS$<br>Info: 
$OUTPUT$<br><br>Date/Time: $DATETIME$<br><br><A 
href=\"/cgi-bin/avail.cgi?host=$ENCODEDHOSTNAME$&show_log_entries\"><img 
src=\"/images/trends.gif\" border=\"0\" alt=\"Command\"> Show 
availability report</A><br><A 
href=\"/cgi-bin/extinfo.cgi?type=1&host=$ENCODEDHOSTNAME$\"><img 
src=\"/images/status2.gif\" border=\"0\" alt=\"Command\"> Show host 
details</A><br><A 
href=\"/cgi-bin/statusmap.cgi?layout=1&host=$ENCODEDHOSTNAME$\"><img 
src=\"/images/status3.gif\" border=\"0\" alt=\"Command\"> Locate on 
Map</A><br><A href=\"/cgi-bin/status.cgi?host=$ENCODEDHOSTNAME$\"><img 
src=\"/images/status2.gif\" border=\"0\" alt=\"Command\"> Show 
services</A><br>" | /usr/sbin/sendmail -t
}

As you can note there are two new fields that Nagios does not provide: 
$ENCODEDHOSTNAME$ and $ENCODEDSERVICEDESC$.
To make it work for your installation you have to replace the 
http://nagiosbox string with the one identifying your Nagios server.
I've also used sendmail to send emails but you can replace the 
"/usr/sbin/sendmail -t" command with your favorite mailer.

The patch adds the two new fields to those available in Nagios.
I'll send the diff code shortly.

-- 
Stefano Coletta

http://www.mindcreations.com

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