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Minor elasticsearch changes #1221

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Minor elasticsearch changes #1221

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b643ed0
check-es-cluster-status, es-cluster-metrics: add --https option
leedm777 Jul 30, 2015
73ad96b
es-cluster-metrics: Adding a few new stats
leedm777 Jul 30, 2015
6923c34
es-cluster-metrics: Improve master? check
leedm777 Jul 30, 2015
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8 changes: 7 additions & 1 deletion plugins/elasticsearch/check-es-cluster-status.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -59,8 +59,14 @@ class ESClusterStatus < Sensu::Plugin::Check::CLI
proc: proc(&:to_i),
default: 30

option :https,
description: 'Connect over HTTPS',
long: '--https',
default: false

def get_es_resource(resource)
r = RestClient::Resource.new("http://#{config[:host]}:#{config[:port]}/#{resource}", timeout: config[:timeout])
scheme = config[:https] ? 'https' : 'http'
r = RestClient::Resource.new("#{scheme}://#{config[:host]}:#{config[:port]}/#{resource}", timeout: config[:timeout])
JSON.parse(r.get)
rescue Errno::ECONNREFUSED
critical 'Connection refused'
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29 changes: 22 additions & 7 deletions plugins/elasticsearch/es-cluster-metrics.rb
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Expand Up @@ -61,13 +61,19 @@ class ESClusterMetrics < Sensu::Plugin::Metric::CLI::Graphite
proc: proc(&:to_i),
default: 30

option :https,
description: 'Connect over HTTPS',
long: '--https',
default: false

def acquire_es_version
info = get_es_resource('/')
info['version']['number']
end

def get_es_resource(resource)
r = RestClient::Resource.new("http://#{config[:host]}:#{config[:port]}/#{resource}", timeout: config[:timeout])
scheme = config[:https] ? 'https' : 'http'
r = RestClient::Resource.new("#{scheme}://#{config[:host]}:#{config[:port]}/#{resource}", timeout: config[:timeout])
JSON.parse(r.get)
rescue Errno::ECONNREFUSED
warning 'Connection refused'
Expand All @@ -76,13 +82,14 @@ def get_es_resource(resource)
end

def master?
state = get_es_resource('/_cluster/state?filter_routing_table=true&filter_metadata=true&filter_indices=true')
if Gem::Version.new(acquire_es_version) >= Gem::Version.new('1.0.0')
master = get_es_resource('_cluster/state/master_node')['master_node']
local = get_es_resource('/_nodes/_local')
else
master = get_es_resource('/_cluster/state?filter_routing_table=true&filter_metadata=true&filter_indices=true')['master_node']
local = get_es_resource('/_cluster/nodes/_local')
end
local['nodes'].keys.first == state['master_node']
local['nodes'].keys.first == master
end

def acquire_health
Expand All @@ -91,17 +98,25 @@ def acquire_health
health
end

def acquire_document_count
document_count = get_es_resource('/_count?q=*:*')
document_count['count']
def acquire_stats
stats = get_es_resource('/_cluster/stats')
{
'document_count' => stats['indices']['docs']['count'],
'index_count' => stats['indices']['count'],
'segment_count' => stats['indices']['segments']['count'],
'fs.total' => stats['nodes']['fs']['total_in_bytes'],
'fs.free' => stats['nodes']['fs']['free_in_bytes']
}
end

def run
if master?
acquire_health.each do |k, v|
output(config[:scheme] + '.' + k, v)
end
output(config[:scheme] + '.document_count', acquire_document_count)
acquire_stats.each do |k, v|
output(config[:scheme] + '.' + k, v)
end
end
ok
end
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