Class: Chef::Knife::EucaServerCreate

Inherits:
Chef::Knife show all
Includes:
EucaBase
Defined in:
lib/chef/knife/euca_server_create.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from EucaBase

#connection, included, #locate_config_value, #public_ip

Instance Attribute Details

#initial_sleep_delay ⇒ Object

Returns the value of attribute initial_sleep_delay.



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# File 'lib/chef/knife/euca_server_create.rb', line 38

def initial_sleep_delay
  @initial_sleep_delay
end

Instance Method Details

#bootstrap_for_node(server) ⇒ Object 



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# File 'lib/chef/knife/euca_server_create.rb', line 210

def bootstrap_for_node(server)
  bootstrap = Chef::Knife::Bootstrap.new
  bootstrap.name_args = [server.dns_name]
  bootstrap.config[:run_list] = config[:run_list]
  bootstrap.config[:ssh_user] = config[:ssh_user]
  bootstrap.config[:identity_file] = config[:identity_file]
  bootstrap.config[:chef_node_name] = config[:chef_node_name] || server.id
  bootstrap.config[:prerelease] = config[:prerelease]
  bootstrap.config[:bootstrap_version] = locate_config_value(:bootstrap_version)
  bootstrap.config[:distro] = locate_config_value(:distro)
  bootstrap.config[:use_sudo] = true unless config[:ssh_user] == 'root'
  bootstrap.config[:template_file] = locate_config_value(:template_file)
  bootstrap.config[:environment] = config[:environment]
  # may be needed for vpc_mode
  bootstrap.config[:no_host_key_verify] = config[:no_host_key_verify]
  bootstrap
end

#run ⇒ Object 



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# File 'lib/chef/knife/euca_server_create.rb', line 151

def run
  $stdout.sync = true

  server_def = {
    :image_id => locate_config_value(:image),
    :groups => config[:security_groups],
    :flavor_id => locate_config_value(:flavor),
    :key_name => Chef::Config[:knife][:euca_ssh_key_id],
    :availability_zone => Chef::Config[:knife][:availability_zone]
  }

  server = connection.servers.create(server_def)

  puts "#{ui.color("Instance ID", :cyan)}: #{server.id}"
  puts "#{ui.color("Flavor", :cyan)}: #{server.flavor_id}"
  puts "#{ui.color("Image", :cyan)}: #{server.image_id}"
  puts "#{ui.color("Availability Zone", :cyan)}: #{server.availability_zone}"
  puts "#{ui.color("Security Groups", :cyan)}: #{server.groups.join(", ")}"
  puts "#{ui.color("SSH Key", :cyan)}: #{server.key_name}"

  print "\n#{ui.color("Waiting for server", :magenta)}"

  # wait for it to be ready to do stuff
  server.wait_for { print "."; ready? }

  puts("\n")

  puts "#{ui.color("Public DNS Name", :cyan)}: #{server.dns_name}"
  puts "#{ui.color("Private DNS Name", :cyan)}: #{server.private_dns_name}"

  print "\n#{ui.color("Waiting for sshd", :magenta)}"

  print(".") until tcp_test_ssh(server.dns_name) {
    sleep @initial_sleep_delay ||= 20
    puts("done")
  }

  until begin
      bootstrap_for_node(server).run
      true
    rescue Errno::ECONNREFUSED
      sleep 2
      false
    end
  end

  puts "\n"
  puts "#{ui.color("Instance ID", :cyan)}: #{server.id}"
  puts "#{ui.color("Flavor", :cyan)}: #{server.flavor_id}"
  puts "#{ui.color("Image", :cyan)}: #{server.image_id}"
  puts "#{ui.color("Availability Zone", :cyan)}: #{server.availability_zone}"
  puts "#{ui.color("Security Groups", :cyan)}: #{server.groups.join(", ")}"
  puts "#{ui.color("Public DNS Name", :cyan)}: #{server.dns_name}"
  puts "#{ui.color("Private DNS Name", :cyan)}: #{server.private_dns_name}"
  puts "#{ui.color("SSH Key", :cyan)}: #{server.key_name}"
  puts "#{ui.color("Environment", :cyan)}: #{config[:environment] || '_default'}"
  puts "#{ui.color("Run List", :cyan)}: #{config[:run_list].join(', ')}"
end

#tcp_test_ssh(hostname) ⇒ Object 



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# File 'lib/chef/knife/euca_server_create.rb', line 127

def tcp_test_ssh(hostname)
  tcp_socket = TCPSocket.new(hostname, 22)
  readable = IO.select([tcp_socket], nil, nil, 5)
  if readable
    Chef::Log.debug("sshd accepting connections on #{hostname}, banner is #{tcp_socket.gets}")
    yield
    true
  else
    false
  end
rescue Errno::ETIMEDOUT
  false
rescue Errno::EPERM
  false
rescue Errno::ECONNREFUSED
  sleep 2
  false
rescue Errno::EHOSTUNREACH
  sleep 2
  false
ensure
  tcp_socket && tcp_socket.close
end