checks/aws_ec2_summary

   1 #!/usr/bin/python
   2 # -*- encoding: utf-8; py-indent-offset: 4 -*-
   3 # +------------------------------------------------------------------+
   4 # |             ____ _               _        __  __ _  __           |
   5 # |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
   6 # |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
   7 # |           | |___| | | |  __/ (__|   <    | |  | | . \            |
   8 # |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
   9 # |                                                                  |
  10 # | Copyright Mathias Kettner 2018             mk@mathias-kettner.de |
  11 # +------------------------------------------------------------------+
  12 #
  13 # This file is part of Check_MK.
  14 # The official homepage is at http://mathias-kettner.de/check_mk.
  15 #
  16 # check_mk is free software;  you can redistribute it and/or modify it
  17 # under the  terms of the  GNU General Public License  as published by
  18 # the Free Software Foundation in version 2.  check_mk is  distributed
  19 # in the hope that it will be useful, but WITHOUT ANY WARRANTY;  with-
  20 # out even the implied warranty of  MERCHANTABILITY  or  FITNESS FOR A
  21 # PARTICULAR PURPOSE. See the  GNU General Public License for more de-
  22 # tails. You should have  received  a copy of the  GNU  General Public
  23 # License along with GNU Make; see the file  COPYING.  If  not,  write
  24 # to the Free Software Foundation, Inc., 51 Franklin St,  Fifth Floor,
  25 # Boston, MA 02110-1301 USA.
  26
  27
  28 def inventory_aws_ec2_summary(parsed):
  29     if parsed:
  30         return [(None, {})]
  31
  32
  33 def _extract_aws_ec2_tags(metrics):
  34     # metrics is dict with key 'Tags'
  35     return ", ".join(["%s: %s" % (pair['Key'], pair['Value']) for pair in metrics.get('Tags', [])])
  36
  37
  38 def check_aws_ec2_summary(item, params, parsed):
  39     instances_by_state = {}
  40     long_output = []
  41     for instance in parsed:
  42         instance_private_dns_name = instance['PrivateDnsName']
  43         instance_id = instance['InstanceId']
  44         instance_state = instance['State']['Name']
  45         instances_by_state.setdefault(instance_state, []).append(instance_id)
  46
  47         long_output_info = [
  48             "[%s] %s: %s" % (instance_id, instance_private_dns_name, instance_state)
  49         ]
  50         tags = _extract_aws_ec2_tags(instance)
  51         if tags:
  52             long_output_info.append("[Tags] %s" % tags)
  53         long_output.append(", ".join(long_output_info))
  54
  55     yield 0, "Instances: %s" % sum([len(v) for v in instances_by_state.itervalues()])
  56     for instance_state, instances in instances_by_state.iteritems():
  57         yield 0, "%s: %s" % (instance_state, len(instances))
  58
  59     if long_output:
  60         yield 0, "\n%s" % "\n".join(long_output)
  61
  62
  63 check_info['aws_ec2_summary'] = {
  64     'parse_function': parse_aws,
  65     'inventory_function': inventory_aws_ec2_summary,
  66     'check_function': check_aws_ec2_summary,
  67     'service_description': 'AWS/EC2 Summary',
  68     'includes': ['aws.include'],
  69 }