Class: Vagrant::LXC::Provider

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-lxc/provider.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(machine) ⇒ Provider

Returns a new instance of Provider.



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# File 'lib/vagrant-lxc/provider.rb', line 12

def initialize(machine)
  @logger    = Log4r::Logger.new("vagrant::provider::lxc")
  @machine   = machine

  ensure_lxc_installed!
  machine_id_changed
end

Instance Attribute Details

#driver ⇒ Object (readonly)

Returns the value of attribute driver.



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# File 'lib/vagrant-lxc/provider.rb', line 10

def driver
  @driver
end

Instance Method Details

#action(name) ⇒ Object

See Also:

  • Plugin::V2::Provider#action


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# File 'lib/vagrant-lxc/provider.rb', line 55

def action(name)
  # Attempt to get the action method from the Action class if it
  # exists, otherwise return nil to show that we don't support the
  # given action.
  action_method = "action_#{name}"
  return LXC::Action.send(action_method) if LXC::Action.respond_to?(action_method)
  nil
end

#ensure_lxc_installed! ⇒ Object 



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# File 'lib/vagrant-lxc/provider.rb', line 28

def ensure_lxc_installed!
  begin
    sudo_wrapper.run("which", "lxc-create")
  rescue Vagrant::LXC::Errors::ExecuteError
    raise Errors::LxcNotInstalled
  end
end

#machine_id_changed ⇒ Object

If the machine ID changed, then we need to rebuild our underlying container.



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# File 'lib/vagrant-lxc/provider.rb', line 38

def machine_id_changed
  id = @machine.id

  begin
    @logger.debug("Instantiating the container for: #{id.inspect}")
    @driver = Driver.new(id, self.sudo_wrapper)
    @driver.validate!
  rescue Driver::ContainerNotFound
    # The container doesn't exist, so we probably have a stale
    # ID. Just clear the id out of the machine and reload it.
    @logger.debug("Container not found! Clearing saved machine ID and reloading.")
    id = nil
    retry
  end
end

#ssh_info ⇒ Object

Returns the SSH info for accessing the Container.



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# File 'lib/vagrant-lxc/provider.rb', line 65

def ssh_info
  # If the Container is not created then we cannot possibly SSH into it, so
  # we return nil.
  return nil if state == :not_created

  # Run a custom action called "fetch_ip" which does what it says and puts
  # the IP found into the `:machine_ip` key in the environment.
  env = @machine.action("fetch_ip")

  # If we were not able to identify the container's IP, we return nil
  # here and we let Vagrant core deal with it ;)
  return nil unless env[:machine_ip]

  {
    :host => env[:machine_ip],
    :port => @machine.config.ssh.guest_port
  }
end

#state ⇒ Object 



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# File 'lib/vagrant-lxc/provider.rb', line 84

def state
  state_id = nil
  state_id = :not_created if !@driver.container_name
  state_id = @driver.state if !state_id
  state_id = :unknown if !state_id

  short = state_id.to_s.gsub("_", " ")
  long  = I18n.t("vagrant.commands.status.#{state_id}")

  Vagrant::MachineState.new(state_id, short, long)
end

#sudo_wrapper ⇒ Object 



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# File 'lib/vagrant-lxc/provider.rb', line 20

def sudo_wrapper
  @shell ||= begin
    wrapper = @machine.provider_config.sudo_wrapper
    wrapper = Pathname(wrapper).expand_path(@machine.env.root_path).to_s if wrapper
    SudoWrapper.new(wrapper)
  end
end

#to_s ⇒ Object 



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# File 'lib/vagrant-lxc/provider.rb', line 96

def to_s
  id = @machine.id ? @machine.id : "new VM"
  "LXC (#{id})"
end