pshima

Runbook for X

What is happening?

Such and such service is probably having X, that means Y.

What is the user experience when this happens?

No users will be able to do anything.

pshima

  haproxy_http_production:       
    command:      /etc/sensu/plugins/haproxy/haproxy-metrics.rb -h my.hostname.com -q haproxy_stats -u username -p password -s my.hostname
    handlers:     ["graphite"]
    interval:     60
    subscribers:  ["sensu_server"]
    type:         metric

  memcached_graphite_production: 
    command:      /etc/sensu/plugins/memcached/check-memcached-graphite.rb -h my.hostname -p 11211
    handlers:     ["graphite"]

pshima

    redis = Redis.new(:host => config[:host], :port =>config[:port])

    redis.info.each do |k, v|
      output "#{config[:scheme]}.#{k}", v
    end

pshima

 before_migrate do
      if app['main']['uses_bundler']
        link "#{release_path}/vendor/bundle" do
          to "#{app['main']['deploy_to']}/shared/vendor_bundle"
        end
        common_groups = %w{development test cucumber staging production}
        execute "LANG=en_US.UTF-8 LC_ALL='en_US.UTF-8' bundle install --deployment --without #{(common_groups -([app['main']['rails_env']])).join(' ')}" do
          ignore_failure true
          cwd release_path
          environment ({'LANG' => 'en_US.UTF-8'})

pshima

/path/to/unicorn/log/unicorn.stderr.log
/path/to/production/log/production.log 
{
  daily
  missingok
  rotate 180
  compress
  dateext

  # this is important if using "compress" since we need to call

pshima

# from https://github.com/petey5king/raindrops-nagios

#!/usr/bin/env ruby

#script to check the unicorn backlog

#requires the nagios gem, raindrops and rubygems

$LOAD_PATH.unshift '../lib'
require 'rubygems'

pshima

command[check_raindrops]=/usr/lib/nagios/plugins/check_raindrops -w 512 -c 900

pshima

command[check_unicorn]=/usr/lib/nagios/plugins/check_procs -c 1:24 -C unicorn

pshima

    location ~ ^/(images|assets|javascripts|stylesheets|fonts)/ {
      try_files /$uri /oldassets/$uri =404;
      expires 10y;
    }

pshima

namespace :assets do
  task :generate, :except => { :no_release => true }, :roles => :app do
    desc "Asset copy"
    run "mkdir #{release_path}/public/oldassets"
    run "mkdir #{release_path}/public/oldassets/stylesheets"
    run "mkdir #{release_path}/public/oldassets/javascripts"
    run "cp -r #{deploy_to}/current/public/stylesheets/* #{release_path}/public/oldassets/stylesheets/"
    run "cp -r #{deploy_to}/current/public/javascripts/* #{release_path}/public/oldassets/javascripts/"
  end
end