Sha256: 46c41c382c00ca2a4b096ecafad90d9b998691cfbf59a01e65fcad220e86d143
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Versions: 6
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Stored size: 1.68 KB
Contents
#! /usr/bin/env ruby
# frozen_string_literal: false
#
# check-consul-stale-peers
#
# DESCRIPTION:
# This plugin checks the raft configuration for stale ("unknown") peers.
#
# OUTPUT:
# plain text
#
# PLATFORMS:
# Linux
#
# DEPENDENCIES:
# gem: sensu-plugin
# gem: rest-client
#
# USAGE:
# Connect to localhost, go critical when there are any stale peers:
# ./check-consul-stale-peers
#
# Connect to a remote Consul server over HTTPS:
# ./check-consul-stale-peers -s 192.168.42.42 -p 4443 -P https
#
# Go critical when the cluster has two or more stale peers:
# ./check-consul-stale-peers -W 1 -C 2
#
# NOTES:
#
# LICENSE:
# Copyright 2018, Jonathan Hartman <j@hartman.io>
# Released under the same terms as Sensu (the MIT license); see LICENSE
# for details.
#
require 'sensu-plugins-consul/check/base'
#
# Consul stale peers
#
class ConsulStalePeers < SensuPluginsConsul::Check::Base
option :warning,
description: 'Warn when there are this many stale peers',
short: '-W NUMBER_OF_PEERS',
long: '--warning NUMBER_OF_PEERS',
proc: proc(&:to_i),
default: 1
option :critical,
description: 'Go critical when there are this many stale peers',
short: '-C NUMBER_OF_PEERS',
long: '--critical NUMBER_OF_PEERS',
proc: proc(&:to_i),
default: 1
def run
raft = consul_get('operator/raft/configuration')
res = raft['Servers'].select { |s| s['Node'] == '(unknown)' }.length
msg = "Cluster contains #{res} stale peer#{'s' unless res == 1}"
if res >= config[:critical]
critical msg
elsif res >= config[:warning]
warning msg
else
ok msg
end
end
end
Version data entries
6 entries across 6 versions & 2 rubygems