Class: VagrantPlugins::AWS::Action::ReadSSHInfo

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-aws/action/read_ssh_info.rb

Overview

This action reads the SSH info for the machine and puts it into the ‘:machine_ssh_info` key in the environment.

Instance Method Summary collapse

Constructor Details

#initialize(app, env) ⇒ ReadSSHInfo

Returns a new instance of ReadSSHInfo.



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# File 'lib/vagrant-aws/action/read_ssh_info.rb', line 9

def initialize(app, env)
  @app    = app
  @logger = Log4r::Logger.new("vagrant_aws::action::read_ssh_info")
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/vagrant-aws/action/read_ssh_info.rb', line 14

def call(env)
  env[:machine_ssh_info] = read_ssh_info(env[:aws_compute], env[:machine])

  @app.call(env)
end

#read_ssh_info(aws, machine) ⇒ Object 



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# File 'lib/vagrant-aws/action/read_ssh_info.rb', line 20

def read_ssh_info(aws, machine)
  return nil if machine.id.nil?

  # Find the machine
  server = aws.servers.get(machine.id)
  if server.nil?
    # The machine can't be found
    @logger.info("Machine couldn't be found, assuming it got destroyed.")
    machine.id = nil
    return nil
  end

  # read attribute override
  ssh_host_attribute = machine.provider_config.
      get_region_config(machine.provider_config.region).ssh_host_attribute
  # default host attributes to try. NOTE: Order matters!
  ssh_attrs = [:dns_name, :public_ip_address, :private_ip_address]
  ssh_attrs = (Array(ssh_host_attribute) + ssh_attrs).uniq if ssh_host_attribute
  # try each attribute, get out on first value
  host_value = nil
  while !host_value and attr_name = ssh_attrs.shift
    begin
      host_value = server.send(attr_name)
    rescue NoMethodError
      @logger.info("SSH host attribute not found #{attr_name}")
    end
  end

  return { :host => host_value, :port => 22 }
end