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Nagios and Braintower SMS Gateway

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Nagios and Braintower SMS Gateway
Can I connect my Braintower SMS Gateway to Nagios?

Of course you can use your Braintower SMS Gateway to send alarms from Nagios via SMS.
Can I connect my Braintower SMS Gateway to Nagios?

Of course you can use your Braintower SMS Gateway to send alarms from Nagios via SMS.

You will need first the script sendsms. Download the file and place it on your Nagios server in the folder /usr/local/bin .

The script needs the following Perl modules to work:

LWP::UserAgent
URI::Escape
Text::Icon

In the next step, the commands for SMS alerts in configuring Nagios need to be defined. In addition, the defined contacts must be provided with the following commands.

Examples: Definition of SMS alerts in/etc/nagios3/commands.cfg

----------------------------------------------------------------------------------------------

define command

{

command_name notify-host-by-sms

command_line /usr/local/bin/sendsms.pl $CONTACTPAGER$ "$NOTIFICATIONTYPE$ - Host $HOSTALIAS$ is $HOSTSTATE$ since $SHORTDATETIME$ info: $HOSTOUTPUT$"

}

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define command

{

command_name notify-service-by-sms

command_line /usr/local/bin/sendsms.pl $CONTACTPAGER$ "$NOTIFICATIONTYPE$ - $SERVICEDESC$ on $HOSTNAME$ state: $SERVICESTATE$ since $SHORTDATETIME$ info: $SERVICEOUTPUT$"

}

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Example: Definition of a contact in /etc/nagios3/contacts.cfg



define contact
{

contact_name Max_Muster

alias Max Muster

host_notification_period 24x7

service_notification_period 24x7

host_notification_options d,u,r

service_notification_options u,c,r

pager 00491701234567

host_notification_commands notify-host-by-sms

service_notification_commands notify-service-by-sms
}

HTTPS

The script sendsms transmits the Nagios alarm to the SMS gateway. By default, this communication is not encrypted.
In line 43, you can change this behavior by switching the request to HTTPS:

my $response = $lwp->get('https://'.$smsgw_host.':'.$smsgw_sendsms_port.$smsgw_sendsms_path.'?username='.$smsgw_username.'&password='.$smsgw_password.'&to='.$recipient.'&text='.$message);

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Provided the SSL certificate used in the Braintower SMS Gateway is a self-signed certificate, there could be a error message in nagios.log. Can't connect to ... (certificate verify failed). In this case, insert the following code at line 35:

$ENV{'PERL_LWP_SSL_VERIFY_HOSTNAME'} = 0;

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