serverspec for my environment

properties.yaml

#Webapps
web01:
  :roles:
    - base
    - webapp
  :hostname: web01
  :ip: xxx.xxx.xxx.xxx

# Database
db01:
  :roles:
    - base
    - db
  :hostname: db01
  :ip: xxx.xxx.xxx.xxx
  :mha_vip: xxx.xxx.xxx.xxx
  :dsr_vip: xxx.xxx.xxx.xxx
  
# memcached
mem01:
  :roles:
    - base
    - memcached
  :hostname: mem01
  :ip: xxx.xxx.xxx.xxx

Rakefile_serverspec

require 'rake'
require 'rspec/core/rake_task'
require 'yaml'
require 'highline/import'

properties = YAML.load_file('properties.yaml')

ENV['SSH_USER'] = ask("Enter ssh user: ") { |q| q.echo = true }
ENV['SSH_PASSWORD'] = ask("Enter ssh password: ") { |q| q.echo = false }

desc "Run serverspec to all hosts"
task :serverspec => 'serverspec:all'

namespace :serverspec do
  task :all => properties.keys.map {|key| 'serverspec:' + key }
  properties.keys.each do |key|
    desc "Run serverspec to #{key}"
    RSpec::Core::RakeTask.new(key.to_sym) do |t|
      ENV['KEY'] = "#{key}"
      ENV['TARGET_HOST'] = properties[key][:ip]
      t.pattern = 'spec/{' + properties[key][:roles].join(',') + '}/*_spec.rb'
    end
  end
end

spec_helper.rb

require 'serverspec'
require 'pathname'
require 'net/ssh'
require 'yaml'

include Serverspec::Helper::Ssh
include Serverspec::Helper::DetectOS

properties = YAML.load_file('properties.yaml')

RSpec.configure do |c|
  ssh_user = ENV['SSH_USER']
  ssh_password = ENV['SSH_PASSWORD']
  c.sudo_password = ssh_password
  ja_prompt = "パスワード".force_encoding('ascii-8bit')
  c.pass_prompt = /#{ja_prompt}|^Password|^\[sudo\] password for/
  c.path = '/sbin:/usr/sbin'
  c.color_enabled = true

  c.before :all do
    block = self.class.metadata[:example_group_block]
    if RUBY_VERSION.start_with?('1.8')
      file = block.to_s.match(/.*@(.*):[0-9]+>/)[1]
    else
      file = block.source_location.first
    end
    c.host  = ENV['TARGET_HOST']
    set_property properties[ENV['KEY']]
    options = Net::SSH::Config.for(c.host)
    options[:password] = ssh_password
    c.ssh   = Net::SSH.start(c.host, ssh_user, options)
    c.os    = backend.check_os
  end
end

def check_centos_version
  ver = send_command('head -1 /etc/issue | tr -d "\n"')
  case ver
  when 'CentOS release 5.4 (Final)'
    return '5.4'
  when 'CentOS release 6.2 (Final)'
    return '6.2'
  else
    raise "Error: I don't know this version."
  end
end

def is_master_db
  repl_con_num = send_command('mysql -uroot -e "show processlist" | grep "Binlog Dump" | wc -l')
  result = repl_con_num.to_i > 0 ? true : false
  return result
end

def vlanid
  vlanid = send_command('ls /proc/net/vlan/bond0.* | awk -F. \'{print $2}\' | tr -d "\n"')
  return vlanid
end

def expected_server_id
  ip_arry = ENV['TARGET_HOST'].split('.')
  server_id = "#{ip_arry[1]}#{ip_arry[2]}#{ip_arry[3]}"
  return server_id
end

def send_command(cmd)
  Net::SSH.start(ENV['TARGET_HOST'], ENV['SSH_USER'], :password => ENV['SSH_PASSWORD']) do |ssh|
    return ssh.exec! cmd
  end
end