checks/aws_elbv2_target_groups

   1 #!/usr/bin/python
   2 # -*- encoding: utf-8; py-indent-offset: 4 -*-
   3 # +------------------------------------------------------------------+
   4 # |             ____ _               _        __  __ _  __           |
   5 # |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
   6 # |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
   7 # |           | |___| | | |  __/ (__|   <    | |  | | . \            |
   8 # |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
   9 # |                                                                  |
  10 # | Copyright Mathias Kettner 2019             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 #'TargetGroups': [
  28 #        {
  29 #            'TargetGroupArn': 'string',
  30 #            'TargetGroupName': 'string',
  31 #            'Protocol': 'HTTP'|'HTTPS'|'TCP'|'TLS',
  32 #            'Port': 123,
  33 #            'VpcId': 'string',
  34 #            'HealthCheckProtocol': 'HTTP'|'HTTPS'|'TCP'|'TLS',
  35 #            'HealthCheckPort': 'string',
  36 #            'HealthCheckEnabled': True|False,
  37 #            'HealthCheckIntervalSeconds': 123,
  38 #            'HealthCheckTimeoutSeconds': 123,
  39 #            'HealthyThresholdCount': 123,
  40 #            'UnhealthyThresholdCount': 123,
  41 #            'HealthCheckPath': 'string',
  42 #            'Matcher': {
  43 #                'HttpCode': 'string'
  44 #            },
  45 #            'LoadBalancerArns': [
  46 #                'string',
  47 #            ],
  48 #            'TargetType': 'instance'|'ip'|'lambda'
  49 #            'TargetHealth': {
  50 #                'State': 'initial'|'healthy'|'unhealthy'|'unused'|'draining'|'unavailable',
  51 #                'Reason': 'Elb.RegistrationInProgress'|'Elb.InitialHealthChecking'|'Target.ResponseCodeMismatch'|
  52 #                          'Target.Timeout'|'Target.FailedHealthChecks'|'Target.NotRegistered'|'Target.NotInUse'|
  53 #                          'Target.DeregistrationInProgress'|'Target.InvalidState'|'Target.IpUnusable'|
  54 #                          'Target.HealthCheckDisabled'|'Elb.InternalError',
  55 #                'Description': 'string'
  56 #            },
  57 #        },
  58
  59
  60 def parse_aws_elbv2_target_groups(info):
  61     application_target_groups, network_target_groups = [], []
  62     for load_balancer_type, target_groups in parse_aws(info):
  63         if load_balancer_type == 'application':
  64             application_target_groups.extend(target_groups)
  65         elif load_balancer_type == 'network':
  66             network_target_groups.extend(target_groups)
  67     return application_target_groups, network_target_groups
  68
  69
  70 def check_aws_elbv2_target_groups(item, params, target_groups):
  71     target_groups_by_state = {}
  72     for target_group in target_groups:
  73         target_groups_by_state.setdefault(
  74             target_group.get('TargetHealth', {}).get('State', 'unknown'), []).append(target_group)
  75
  76     for state_readable, groups in target_groups_by_state.iteritems():
  77         if state_readable in ['initial', 'healthy', 'unused', 'draining', 'unavailable']:
  78             state = 0
  79         elif state_readable in ['unhealthy']:
  80             state = 2
  81         else:
  82             state = 3
  83         yield state, '%s (%s)' % (state_readable, len(groups))
  84
  85
  86 def inventory_aws_application_elb_target_groups(parsed):
  87     application_target_groups, _network_target_groups = parsed
  88     if application_target_groups:
  89         return [(None, {})]
  90
  91
  92 def check_aws_application_elb_target_groups(item, params, parsed):
  93     application_target_groups, _network_target_groups = parsed
  94     return check_aws_elbv2_target_groups(item, params, application_target_groups)
  95
  96
  97 check_info['aws_elbv2_target_groups'] = {
  98     'parse_function': parse_aws_elbv2_target_groups,
  99     'inventory_function': inventory_aws_application_elb_target_groups,
 100     'check_function': check_aws_application_elb_target_groups,
 101     'service_description': 'AWS/ApplicationELB Target Groups',
 102     'includes': ['aws.include'],
 103 }
 104
 105
 106 def inventory_aws_network_elb_target_groups(parsed):
 107     _application_target_groups, network_target_groups = parsed
 108     if network_target_groups:
 109         return [(None, {})]
 110
 111
 112 def check_aws_network_elb_target_groups(item, params, parsed):
 113     _application_target_groups, network_target_groups = parsed
 114     return check_aws_elbv2_target_groups(item, params, network_target_groups)
 115
 116
 117 check_info['aws_elbv2_target_groups.network'] = {
 118     'inventory_function': inventory_aws_network_elb_target_groups,
 119     'check_function': check_aws_network_elb_target_groups,
 120     'service_description': 'AWS/NetworkELB Target Groups',
 121     'includes': ['aws.include'],
 122 }