class VagrantPlugins::ProviderLibvirt::Action::ReadState

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

Public Class Methods

new(app, env) click to toggle source
# File lib/vagrant-libvirt/action/read_state.rb, line 9
def initialize(app, env)
  @app    = app
  @logger = Log4r::Logger.new('vagrant_libvirt::action::read_state')
end

Public Instance Methods

call(env) click to toggle source
# File lib/vagrant-libvirt/action/read_state.rb, line 14
def call(env)
  env[:machine_state_id] = read_state(env[:libvirt_compute], env[:machine])
  @app.call(env)
end
read_state(libvirt, machine) click to toggle source
# File lib/vagrant-libvirt/action/read_state.rb, line 19
def read_state(libvirt, machine)
  return :not_created if machine.id.nil?

  begin
    server = libvirt.servers.get(machine.id)
  rescue Libvirt::RetrieveError => e
    server = nil
    @logger.debug('Machine not found #{e}.')
  end
  # Find the machine
  begin
    # Wait for libvirt to shutdown the domain
    while libvirt.servers.get(machine.id).state.to_sym == :'shutting-down' do
      @logger.info('Waiting on the machine to shut down...')
      sleep 1
    end

    server = libvirt.servers.get(machine.id)

    if server.nil? || server.state.to_sym == :terminated
      # The machine can't be found
      @logger.info('Machine terminated, assuming it got destroyed.')
      machine.id = nil
      return :not_created
    end
  rescue Libvirt::RetrieveError => e
    if e.libvirt_code == ProviderLibvirt::Util::ErrorCodes::VIR_ERR_NO_DOMAIN
      @logger.info("Machine #{machine.id} not found.")
      machine.id = nil
      return :not_created
    else
      raise e
    end
  end

  # Return the state
  return server.state.to_sym
end