Class: VagrantPlugins::Shell::Action::ReadState

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-shell/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-shell/action/read_state.rb', line 9

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

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/vagrant-shell/action/read_state.rb', line 14

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

  @app.call(env)
end

#read_state(machine) ⇒ Object 



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# File 'lib/vagrant-shell/action/read_state.rb', line 20

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

  # Return the state
  output = %x{ #{machine.provider_config.script} read-state #{machine.id} }
  if $?.to_i > 0
    raise Errors::ShellError, :message => "Failure: #{env[:machine].provider_config.script} read-state #{machine.id}"
  end
  output.strip
end