Last active
August 29, 2015 14:17
-
-
Save doublemarket/98819d1ac4408fdf3380 to your computer and use it in GitHub Desktop.
Sensu plugin to collect golang status via golang-stats-api-metrics
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#! /usr/bin/env ruby | |
# encoding: UTF-8 | |
# golang-stats-api-metrics | |
# | |
# DESCRIPTION: | |
# Get golang metrics with golang-stats-api-metrics | |
# https://github.com/fukata/golang-stats-api-handler | |
# | |
# OUTPUT: | |
# metric data | |
# | |
# PLATFORMS: | |
# Linux | |
# | |
# DEPENDENCIES: | |
# gem: sensu-plugin | |
# gem: uri | |
# gem: socket | |
# gem: oj | |
# | |
# USAGE: | |
# | |
# NOTES: | |
# | |
# LICENSE: | |
# Copyright 2015 Hayato Matsuura | |
# Released under the same terms as Sensu (the MIT license); see LICENSE | |
# for details. | |
# | |
require 'rubygems' if RUBY_VERSION < '1.9.0' | |
require 'sensu-plugin/metric/cli' | |
require 'net/https' | |
require 'uri' | |
require 'socket' | |
require 'oj' | |
class NginxMetrics < Sensu::Plugin::Metric::CLI::Graphite | |
option :url, | |
short: '-u URL', | |
long: '--url URL', | |
description: 'Full URL to go app server status page, example: https://yoursite.com/status This ignores ALL other options EXCEPT --scheme' | |
option :hostname, | |
short: '-h HOSTNAME', | |
long: '--host HOSTNAME', | |
description: 'go app server hostname', | |
default: '127.0.0.1' | |
option :port, | |
short: '-P PORT', | |
long: '--port PORT', | |
description: 'go app server port', | |
default: '3000' | |
option :path, | |
short: '-p STATUSPATH', | |
long: '--statspath STATUSPATH', | |
description: 'Path to your go app server status module', | |
default: 'status' | |
option :scheme, | |
description: 'Metric naming scheme, text to prepend to metric', | |
short: '-s SCHEME', | |
long: '--scheme SCHEME', | |
default: "#{Socket.gethostname}.golang-stats" | |
def run | |
found = false | |
attempts = 0 | |
until found || attempts >= 10 | |
attempts += 1 | |
if config[:url] | |
uri = URI.parse(config[:url]) | |
http = Net::HTTP.new(uri.host, uri.port) | |
if uri.scheme == 'https' | |
http.use_ssl = true | |
http.verify_mode = OpenSSL::SSL::VERIFY_NONE | |
end | |
request = Net::HTTP::Get.new(uri.request_uri) | |
response = http.request(request) | |
if response.code == '200' | |
found = true | |
elsif !response.header['location'].nil? | |
config[:url] = response.header['location'] | |
end | |
else | |
response = Net::HTTP.start(config[:hostname], config[:port]) do |connection| | |
request = Net::HTTP::Get.new("/#{config[:path]}") | |
connection.request(request) | |
end | |
end | |
end # until | |
metrics = Oj.load(response.body, mode: :compat) | |
metrics.keys.each do |m| | |
if m === "gc_pause" | |
# output avarage for gc_pause array | |
sum = metrics[m].inject(0.0){|sum,pause| sum + pause} | |
# skip if there's no gc_pause | |
output "#{config[:scheme]}.#{m}", sum/metrics[m].size if sum > 0 | |
else | |
output "#{config[:scheme]}.#{m}", metrics[m] | |
end | |
end | |
ok | |
end | |
end |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment