VultrVPSへCoreOSを入れる。ipxe/cloud-configでBootstrap/Configurationする用のサンプルスクリプト(embedded)

setup.rb

@time = Time.now
@reporter = []
require 'pry'
require 'vultrlife'
require 'net/ssh'

account = Vultrlife::Account.new do |account|
  account.api_key = 'xxxxxxxxxxxxxxxxxxx'
end


#binding.pry
#account.servers.first.destroy!
#exit

# TODO サーバーを１つにしたいときはコメントイン
#puts 'check server exists...'
#if account.servers.size.nonzero?
#  account.servers.first.destroy!
#  puts 'server destroyed'
#end

@reporter << {period: :destroying, time: Time.now-@time}; @time = Time.now

puts 'trying create server....'
server = account.server_create! do |server|
  server.plan           = '768 MB RAM,15 GB SSD,0.10 TB BW, Custom ISO'
  server.region         = :tokyo
  server.os             = 'Custom'
  server.ipxe_chain_url = 'http://young-dawn-7740.herokuapp.com/script.txt'
end
puts 'server created'
@reporter << {period: :creating, time: Time.now-@time}; @time = Time.now

ip = ''
loop do
  ip = account.servers.last['main_ip']

  if ip == '0.0.0.0' || ip == '0'
    puts 'waiting for ip...'
    sleep 2
  else
    puts "ip is #{ip}"
    break
  end
end
@reporter << {period: :ip_waiting, time: Time.now-@time}; @time = Time.now

username = 'core'

puts 'you can login by below command'
puts '---------------------------'
puts "ssh #{username}@#{ip}"
puts '---------------------------'
`sed -i -e '/#{ip}/d' ~/.ssh/known_hosts` #MacOSX

puts 'trying coreos install...'

while !@connectable
  puts 'trying ssh login...'
  Net::SSH.start(ip, username, :keys => ['/Users/berlin/.ssh/id_rsa']) do |ssh|
    ssh.exec!('/bin/true')
    @connectable = true
  end rescue nil
  sleep 2
end
@reporter << {period: :ssh_waiting, time: Time.now-@time}; @time = Time.now

output = ''
Net::SSH.start(ip, username, :keys => ['/Users/berlin/.ssh/id_rsa']) do |ssh|
  output = ssh.exec!('curl -L https://gist.githubusercontent.com/hoshinotsuyoshi/4421f1d7754db9629903/raw/7b005f4e8438434f48b7f03b50946c9c6731c0a1/test-config.config > ~/config && sudo coreos-install -d /dev/vda -c ~/config && sudo mount -o subvol=root /dev/vda9 /mnt/')
  puts 'trying reboot...'

  #binding.pry
  output = ssh.exec!('sudo reboot')
end rescue nil
@reporter << {period: :coreos_installing, time: Time.now-@time}; @time = Time.now

`sed -i -e '/#{ip}/d' ~/.ssh/known_hosts` #MacOSX


puts 'bootstraping completed'
puts @reporter