SMS notification commands

[Nick Pratley]

Hi, I need to be able to send notifications via SMS in the event that the
email servers are unavailable, or the internet connection is down. There is
a server on the same network as the Nagios host that has a modem installed
and uses SMS Tools 3 to send messages. To send a message all I need to do is
place a file in a certain directory on that server, in a simple format, and
it does the rest.

 

So, I created a script called 'notify-by-sms' in /usr/local/nagios/libexec
which is as follows:

 

TMPFILE=`/bin/mktemp notify.XXXXXX`

/bin/echo -e $1 > $TMPFILE

/usr/bin/scp $TMPFILE sms-server:/var/spool/sms/outgoing/

rm $TMPFILE

 

The script is owned by the user nagios and is executable. To run it I just
need to pass it a string like "To: <phonenumber>\n\n<messagebody>" as the
only parameter. If I run it from the command line while logged in as nagios
it works fine.

 

I have the following in commands.cfg which I adapted from
notify-service-by-email and notify-host-by-email:

 

# 'notify-host-by-sms' command definition

define command{

command_name notify-host-by-sms

command_line /usr/local/nagios/libexec/notify-by-sms "To:
$CONTACTPAGER$\n\n***** Nagios *****\n\nNotification Type:
$NOTIFICATIONTYPE$\nHost: $HOSTNAME$\nState: HOSTSTATE$\nAddress:
$HOSTADDRESS$\nInfo: $HOSTOUTPUT$\n\nDate/Time: $LONGDATETIME$\n"

}

 

# 'notify-service-by-sms' command definition

define command{

command_name notify-service-by-sms

command_line /usr/local/nagios/libexec/notify-by-sms "To:
$CONTACTPAGER$\n\n***** Nagios *****\n\nNotification Type:
$NOTIFICATIONTYPE$\n\nService: $SERVICEDESC$\nHost: HOSTALIAS$\nAddress:
$HOSTADDRESS$\nState: $SERVICESTATE$\n\nDate/Time:
$LONGDATETIME$\n\nAdditional Info:\n\n$SERVICEOUTPUT$"

 

}

 

I see the following in /usr/local/nagios/var/nagios.log, as an example (I
have replaced some things with <...>):

 

[1196327641] SERVICE NOTIFICATION:
<contactname>;<servername>;SyncServer;CRITICAL;notify-service-by-sms;CRITICA
L - Error Fetching http://<ipaddress>/sync/ds [503] Service Temporarily
Unavailable

 

however the sms is not received. It does not even appear in the log on the
SMS server which indicates the script isn't running or isn't able to scp the
file to that server. I am using public key authentication to negate the need
for a SSH password to be entered.

 

Any ideas what the problem could be, when it runs manually from the command
line but not through the nagios daemon?

 

Thank you,

Nick

 

 

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