[checkmk-commits] 6820 aws_ec2_instances_summary: New check which gives an overview of AWS/ EC2 instances

Module: check_mk Branch: master Commit: ef28290c2d3deec193cf1da87d0e8f4a35f13e22 URL: http://git.mathias-kettner.de/git/?p=check_mk.git;a=commit;h=ef28290c2d3dee… Author: Simon Betz &lt;si(a)mathias-kettner.de&gt; Date: Wed Nov 28 15:41:25 2018 +0100 6820 aws_ec2_instances_summary: New check which gives an overview of AWS/EC2 instances Change-Id: If248c2d6a89d5e820a95cdaab9a8d20893877172 --- .werks/6820 | 10 +++++++ agents/special/agent_aws | 10 +++++-- checkman/aws_ec2_instances_summary | 14 +++++++++ checks/aws.include | 33 +++++++++++++++++++++ checks/aws_ec2_instances_summary | 61 ++++++++++++++++++++++++++++++++++++++ 5 files changed, 125 insertions(+), 3 deletions(-) diff --git a/.werks/6820 b/.werks/6820 new file mode 100644 index 0000000..5b63f91 --- /dev/null +++ b/.werks/6820 @@ -0,0 +1,10 @@ +Title: aws_ec2_instances_summary: New check which gives an overview of AWS/EC2 instances +Level: 1 +Component: checks +Compatible: compat +Edition: cre +Version: 1.6.0i1 +Date: 1543416042 +Class: feature + + diff --git a/agents/special/agent_aws b/agents/special/agent_aws index 29892e1..af9a8de 100755 --- a/agents/special/agent_aws +++ b/agents/special/agent_aws @@ -172,13 +172,17 @@ class EC2InstancesSummary(AWSSection): return "ec2_instances_summary" def _get_raw_result(self): - pass + return self._client.describe_instances() def _extract_content_from(self, raw_result): - pass + try: + return raw_result['Reservations'] + except KeyError, e: + logging.info(e) + return def _format_content(self, content): - pass + return [AWSSectionResult("", content)] class EC2Instance(AWSSection): diff --git a/checkman/aws_ec2_instances_summary b/checkman/aws_ec2_instances_summary new file mode 100644 index 0000000..d935fce --- /dev/null +++ b/checkman/aws_ec2_instances_summary @@ -0,0 +1,14 @@ +title: AWS EC2 Instances Summary +agents: aws +catalog: applications +license: GPL +distribution: check_mk +description: + This check monitors all AWS EC2 instances and reports + a summary of their states. + + If at least one instance is not running the state is WARN + otherwise it is OK. + +inventory: + One summary service is created. diff --git a/checks/aws.include b/checks/aws.include new file mode 100644 index 0000000..6792aec --- /dev/null +++ b/checks/aws.include @@ -0,0 +1,33 @@ +#!/usr/bin/python +# -*- encoding: utf-8; py-indent-offset: 4 -*- +# +------------------------------------------------------------------+ +# | ____ _ _ __ __ _ __ | +# | / ___| |__ ___ ___| | __ | \/ | |/ / | +# | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / | +# | | |___| | | | __/ (__| < | | | | . \ | +# | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ | +# | | +# | Copyright Mathias Kettner 2018 mk(a)mathias-kettner.de | +# +------------------------------------------------------------------+ +# +# This file is part of Check_MK. +# The official homepage is at http://mathias-kettner.de/check_mk. +# +# check_mk is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation in version 2. check_mk is distributed +# in the hope that it will be useful, but WITHOUT ANY WARRANTY; with- +# out even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. See the GNU General Public License for more de- +# tails. You should have received a copy of the GNU General Public +# License along with GNU Make; see the file COPYING. If not, write +# to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, +# Boston, MA 02110-1301 USA. + + +def parse_aws(info): + import json + try: + return json.loads("".join(info[0])) + except (TypeError, IndexError): + return diff --git a/checks/aws_ec2_instances_summary b/checks/aws_ec2_instances_summary new file mode 100644 index 0000000..50637fe --- /dev/null +++ b/checks/aws_ec2_instances_summary @@ -0,0 +1,61 @@ +#!/usr/bin/python +# -*- encoding: utf-8; py-indent-offset: 4 -*- +# +------------------------------------------------------------------+ +# | ____ _ _ __ __ _ __ | +# | / ___| |__ ___ ___| | __ | \/ | |/ / | +# | | | | '_ \ / _ \/ __| |/ / | |\/| | ' / | +# | | |___| | | | __/ (__| < | | | | . \ | +# | \____|_| |_|\___|\___|_|\_\___|_| |_|_|\_\ | +# | | +# | Copyright Mathias Kettner 2018 mk(a)mathias-kettner.de | +# +------------------------------------------------------------------+ +# +# This file is part of Check_MK. +# The official homepage is at http://mathias-kettner.de/check_mk. +# +# check_mk is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by +# the Free Software Foundation in version 2. check_mk is distributed +# in the hope that it will be useful, but WITHOUT ANY WARRANTY; with- +# out even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. See the GNU General Public License for more de- +# tails. You should have received a copy of the GNU General Public +# License along with GNU Make; see the file COPYING. If not, write +# to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, +# Boston, MA 02110-1301 USA. + + +def inventory_aws_ec2_instances_summary(parsed): + if parsed: + return [(None, {})] + + +def check_aws_ec2_instances_summary(item, params, parsed): + instances_by_state = {} + for reservation in parsed: + for instance in reservation['Instances']: + instances_by_state.setdefault(instance['State']['Name'], [])\ + .append(instance['InstanceId']) + + yield 0, "Instances: %s" % sum([len(v) for v in instances_by_state.itervalues()]) + + long_output = [] + for instance_state, instances in instances_by_state.iteritems(): + if instance_state == 'running': + state = 0 + else: + state = 1 + long_output.append("%s: %s" % (instance_state, ", ".join(instances))) + yield state, "%s: %s" % (instance_state, len(instances)) + + if long_output: + yield 0, "\n%s" % "\n".join(long_output) + + +check_info['aws_ec2_instances_summary'] = { + 'parse_function': parse_aws, + 'inventory_function': inventory_aws_ec2_instances_summary, + 'check_function': check_aws_ec2_instances_summary, + 'service_description': 'AWS EC2 Instances', + 'includes': ['aws.include'], +}