Nagios plugin for check last updated ami

!README.md

#Setting up nagios plugin for ami check

• copy check_ami.py to your nagios plugin directory
• give executable permission check_ami.py
• copy config file in you nagios plugin directory add your id and key
• change command file and add new command

define command{
    command_name    check_ami
    command_line    $USER1$/check_ami.py $ARG1$ $ARG2$ "$ARG3$"
}

• add service in your host configuration or service configuration

define service{
        use                             generic-service         ; Name of service template to use
        host_name                       mylocalhost
        service_description             check ami
        check_command                   check_ami!mycentos!7!us-east-1
        }

• Restart nagios

.config

[AUTH]
ID: XXXX--XXXXXX-XXXX
KEY: X--X--X-X_X_X_X_X_X_X_X_X_X_

check_ami.py

#!/usr/bin/python

import os
import sys
import json
import boto
import boto.ec2
import datetime
import ConfigParser

config = ConfigParser.ConfigParser()
if os.path.exists('./config'):
  config.read('./config')
else:
  print '[!] config file not found. Exiting..'
  os._exit(1)

expected_ami = sys.argv[1]
expected_days = sys.argv[2]
region = sys.argv[3]

RESPONSE='UNKNOWN'
AWS_ACCESS_KEY_ID = config.get('AUTH', 'ID')
AWS_SECRET_ACCESS_KEY = config.get('AUTH', 'KEY')

date_of_creation = ''
#Get all regions in ec2
try:
    con = boto.ec2.connect_to_region(region, aws_access_key_id=AWS_ACCESS_KEY_ID, aws_secret_access_key=AWS_SECRET_ACCESS_KEY)
    images_list = con.get_all_images(owners='self')
    for image in images_list:
        try:
            name = image.__dict__['name']
            date = image.__dict__['creationDate']
            new_format = "%Y-%m-%d"
            if expected_ami in name:    
                date = datetime.datetime.strptime(date,"%Y-%m-%dT%H:%M:%S.%fZ")
                date_of_creation = date.strftime(new_format)
                expected_date = date + datetime.timedelta(days=int(expected_days))
                currdate = datetime.datetime.now().strftime(new_format)
                if currdate > expected_date.strftime(new_format):
                    RESPONSE='CRITICAL'
                    break
                else:
                    RESPONSE='OK'
                    break
            else:
                pass
        except Exception as e:
            pass
except:
    pass

print RESPONSE + ' - ' +  date_of_creation  + ' last date of updated ami'
if RESPONSE == 'OK':
    sys.exit(0)
elif RESPONSE == 'CRITICAL':
    sys.exit(2)
else:
    sys.exit(3)