Class: VagrantPlugins::ProviderKvm::Provider

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-kvm/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-kvm/provider.rb', line 9

def initialize(machine)
  @logger  = Log4r::Logger.new("vagrant_kvm")
  @machine = machine

  # This method will load in our driver, so we call it now to
  # initialize it.
  machine_id_changed
end

Instance Attribute Details

#driverObject (readonly)

Returns the value of attribute driver.



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# File 'lib/vagrant-kvm/provider.rb', line 7

def driver
  @driver
end

Instance Method Details

#action(name) ⇒ Object



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# File 'lib/vagrant-kvm/provider.rb', line 18

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 Action.send(action_method) if Action.respond_to?(action_method)
  nil
end

#machine_id_changedObject

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



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# File 'lib/vagrant-kvm/provider.rb', line 29

def machine_id_changed
  id = @machine.id

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

#read_machine_ipString

XXX duplicated from prepare_nfs_settings Returns the IP address of the guest by looking at the first enabled host only network.

Returns:

  • (String)


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# File 'lib/vagrant-kvm/provider.rb', line 62

def read_machine_ip
  @machine.config.vm.networks.each do |type, options|
    if type == :private_network && options[:ip].is_a?(String)
      return options[:ip]
    end
  end

  nil
end

#ssh_infoObject

Returns the SSH info for accessing the VM.



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# File 'lib/vagrant-kvm/provider.rb', line 45

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

  #ip_addr = @driver.read_ip(@machine.config.vm.base_mac)
  return {
    :host => read_machine_ip,
    :port => "22" # XXX should be somewhere in default config
  }
end

#stateSymbol

Return the state of the VM

Returns:

  • (Symbol)


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# File 'lib/vagrant-kvm/provider.rb', line 75

def state
  # XXX: What happens if we destroy the VM but the UUID is still
  # set here?

  # Determine the ID of the state here.
  state_id = nil
  state_id = :not_created if !@driver.uuid
  state_id = @driver.read_state if !state_id
  state_id = :unknown if !state_id

  # TODO Translate into short/long descriptions
  short = state_id
  long  = I18n.t("vagrant.commands.status.#{state_id}")

  # Return the state
  Vagrant::MachineState.new(state_id, short, long)
end

#to_sString

Returns a human-friendly string version of this provider which includes the machine’s ID that this provider represents, if it has one.

Returns:

  • (String)


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# File 'lib/vagrant-kvm/provider.rb', line 98

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