Class: VagrantPlugins::NiftyCloud::Action::ReadState

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-niftycloud/action/read_state.rb

Overview

This action reads the state of the machine and puts it in the ‘:machine_state_id` key in the environment.

Instance Method Summary collapse

Constructor Details

#initialize(app, env) ⇒ ReadState

Returns a new instance of ReadState.



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# File 'lib/vagrant-niftycloud/action/read_state.rb', line 10

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

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/vagrant-niftycloud/action/read_state.rb', line 15

def call(env)
  env[:machine_state_id] = read_state(env[:niftycloud_compute], env[:machine])

  @app.call(env)
end

#read_state(niftycloud, machine) ⇒ Object 



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# File 'lib/vagrant-niftycloud/action/read_state.rb', line 21

def read_state(niftycloud, machine)
  return :not_created if machine.id.nil?

  # Find the machine
  # 例外の定義は以下参照
  # http://cloud.nifty.com/api/sdk/rdoc/
  begin
    server = niftycloud.get(machine)

    state = server.instanceState.name
    case state
    when 'suspending'
      @logger.info("Machine not found or terminated, assuming it got destroyed.")
      machine.id = nil
      return :not_created
    else
      @logger.debug("Server State #{state.to_sym}")
      return state.to_sym
    end
  rescue NIFTY::ConfigurationError => e
    raise Errors::NiftyCloudConfigurationError,
      :message => e.message
  rescue NIFTY::ArgumentError => e
    raise Errors::NiftyCloudArgumentError,
      :message => e.message
  rescue NIFTY::ResponseFormatError => e
    raise Errors::NiftyCloudResponseFormatError,
      :message => e.message
  rescue NIFTY::ResponseError => e
    machine.id = nil
    return :not_created
  end
end