msuarezecca / check_nping

Nagios command to check though nping *nix command

#check_nping Nagios plugin Check with nping if HOST is alive routing through a router MAC.

Usage: -check_nping [-h] -H -M [-w ] [-c ] [-C ]

##Mandatory arguments

-M <mac>        the mac address of the gateway
-H <IP or URI>  the host to check

##Optional arguments

  -h, --help      show this help message and exit
  -w <msec>       the WARNING time (Default: 3000ms)
  -c <msec>       the CRITICAL time (Default: 5000ms)
  -C <times>      Ping count (Default: 5)

###Nagios plugin setup

1. Place check_nping file in libexec folder (or other plugins folder)

2. Create the command in Nagios:

   #$ARG1$ Host to ping #$ARG2$ MAC address of the gateway to check #$ARG3$ Ping count #$ARG4$ Warning value in ms #$ARG5$ Critical value in ms

   define command{ command_name check_nping command_line $USER1$/check_nping -H $ARG1$ -M $ARG2$ -C $ARG3$ -w $ARG4$ -c $ARG5$}

3. Use the command:

   define service{ use generic-service host_name ROUTER-90-1 service_description Ping to Google check_command check_nping!www.foo.com!ff:ff:ff:ff:ff:ff!4!3000!5000}

##Take a look to this This script uses nping (from nmap package)

Install it with (in ubuntu)

# sudo apt-get install nmap

or install following the https://nmap.org/download.html instructions

Inportant: nping uses pcap libraries to capture packets. ICMP mode used in the script requires permisions that can be given using this:

# sudo setcap cap_net_admin,cap_net_raw+eip /usr/bin/nping

To check if nping have the permisions try:

# sudo getcap /usr/bin/nping