R: Notification with 2 command

[Nicola Paltani]

Hi 
 
I have just divided the command with the && instead of the |, tested it perfectly works
 
Snmpwalk -v 1 -c public -Ov $HOSTADDRESS
HOST-RESOURCES-MIB::hrDeviceDescr.1 && mail -s "** $NOTIFICATIONTYPE$
alert - $HOSTALIAS/$SERVICEDESC is $SERVICESTATE **" $CONTACTEMAIL
 
Many thanks

________________________________

Da: Dan Hopkins [mailto:dan.hopkins at uk.easynet.net]
Inviato: mer 11/10/2006 15.36
A: Nicola Paltani
Cc: nagios-users at lists.sourceforge.net
Oggetto: Re: [Nagios-users] Notification with 2 command



On Wed, 2006-10-11 at 14:20 +0200, Nicola Paltani wrote:
> Hi list
>
> I'm checking a big number of printers with my nagios server (more then
> 300) , in detail i'm checking the toner level through snmp , what i need
> is to send a notification via mail when the toner is law but this
> message it must contain the model of the printers form which I get the
> error , so i have made this notification command
>
> snmpwalk -v 1 -c public -Ov $HOSTADDRESS$
> HOST-RESOURCES-MIB::hrDeviceDescr.1 >
> /usr/local/nagios/libexec/printername |
>
> mail -s "** $NOTIFICATIONTYPE$ alert - $HOSTALIAS$/$SERVICEDESC$ is
> $SERVICESTATE$ **" < /usr/local/nagios/libexec/printername $CONTACTEMAIL$
>
> the first command create a file with the printer model and the second
> send an email having as body the contents of the file
>
> but unluckely it doesn't work , i have discovered that the " | " create
> some problem , with this command i receive an empty body it ignore the
> file (printername) generated, but if i divide the command in 2 separate
> and associate all of them to a specific user it works
>
> command 1 (to create a file containing the printer model
>
> snmpwalk -v 1 -c public -Ov $HOSTADDRESS$
> HOST-RESOURCES-MIB::hrDeviceDescr.1 > /usr/local/nagios/libexec/printername
>
> command 2 (send an email which have as body the contents of printername)
>
> mail -s "** $NOTIFICATIONTYPE$ alert - $HOSTALIAS$/$SERVICEDESC$ is
> $SERVICESTATE$ **" < /usr/local/nagios/libexec/printername $CONTACTEMAIL$
>
> The problem that i have is that it execute first the command 2 and than
> number 1 (i always receive the printer model of the previuos signaling),
> i have tried to change the name of the 2 command place a sleep in front
> of the 2nd command but with no results
>
> how i can merge the 2 command or at least tell nagios to execute first
> command 1 and then 2


Why not just create a plugin that queries both the toner level and the
printer name and includes the name in the plugin output?

Dan




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