Module: VagrantPlugins::QEMU::Cap::Disk

Defined in:
lib/vagrant-qemu/cap/disk.rb

Constant Summary collapse

DEFAULT_DISK_EXT_LIST = 
["qcow2", "iso"].map(&:freeze).freeze
DEFAULT_DISK_EXT = 
"qcow2".freeze
@@logger = 
Log4r::Logger.new("vagrant_qemu::cap::disk")

Class Method Summary collapse

Class Method Details

.cleanup_disks(machine, defined_disks, disk_meta) ⇒ nil

Parameters:

  • machine (Vagrant::Machine)
  • defined_disks (VagrantPlugins::Kernel_V2::VagrantConfigDisk)
  • disk_meta (Hash) —
    • A hash of all the previously defined disks from the last configure_disk action

Returns:

  • (nil) 


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# File 'lib/vagrant-qemu/cap/disk.rb', line 73

def self.cleanup_disks(machine, defined_disks, disk_meta)
  return if disk_meta.values.flatten.empty?
end

.configure_disks(machine, defined_disks) ⇒ Hash

Returns configured_disks - A hash of all the current configured disks.

Parameters:

  • machine (Vagrant::Machine)
  • defined_disks (VagrantPlugins::Kernel_V2::VagrantConfigDisk)

Returns:

  • (Hash) —

    configured_disks - A hash of all the current configured disks



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# File 'lib/vagrant-qemu/cap/disk.rb', line 34

def self.configure_disks(machine, defined_disks)
  # Vagrant re-invokes this on every action_start (including a
  # same-process reload), always passing the complete current disk
  # list -- reset before the empty check so a disk removed from the
  # Vagrantfile doesn't leave a stale entry attached either.
  machine.provider.driver.reset_attached_drives!
  return {} if defined_disks.empty?

  configured_disks = {disk: [], floppy: [], dvd: []}
  defined_disks.each do |disk|
    @@logger.info("Disk: #{disk.to_yaml}")
    case disk.type
    when :disk
      disk_data = setup_disk(machine, disk)
      if !disk_data.empty?
        configured_disks[:disk] << disk_data
        machine.provider.driver.attach_disk(disk_data)
      end
    when :floppy
      machine.ui.info(I18n.t("vagrant_qemu.errors.floppy_unsupported"))
    when :dvd
      disk_data = setup_dvd(machine, disk)
      if !disk_data.empty?
        configured_disks[:dvd] << disk_data
        machine.provider.driver.attach_dvd(disk_data)
      end
    else
      @@logger.info("unsupported disk type: #{disk.type}")
    end
  end

  configured_disks
end

.default_disk_exts(machine) ⇒ Array

Parameters:

  • machine (Vagrant::Machine)

Returns:

  • (Array) 


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# File 'lib/vagrant-qemu/cap/disk.rb', line 20

def self.default_disk_exts(machine)
  DEFAULT_DISK_EXT_LIST
end

.set_default_disk_ext(machine) ⇒ String

Parameters:

  • machine (Vagrant::Machine)

Returns:

  • (String) 


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# File 'lib/vagrant-qemu/cap/disk.rb', line 14

def self.set_default_disk_ext(machine)
  DEFAULT_DISK_EXT
end

.setup_disk(machine, disk) ⇒ Hash

Sets up all disk configs of type :disk

Parameters:

  • machine (Vagrant::Machine) —
    • the current machine
  • disk (Config::Disk) —
    • the current disk to configure

Returns:

  • (Hash) —
    • disk_metadata


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# File 'lib/vagrant-qemu/cap/disk.rb', line 84

def self.setup_disk(machine, disk)
  disk_dir = machine.provider.driver.disk_dir
  disk_path = disk_dir.join("#{disk.name}.#{disk.disk_ext}")

  disk_provider_config = disk.provider_config[:qemu] if disk.provider_config

  # configure_disks re-runs on every action_start (including a
  # same-process reload); qemu-img create truncates an existing file
  # unconditionally, so skip it once the disk already exists instead
  # of silently wiping it. Resizing an existing disk isn't handled.
  if !disk_path.file?
    args = ["create", "-f", "qcow2", disk_path.to_s, "#{disk.size}"]
    machine.provider.driver.execute("qemu-img", *args)
  end

  {UUID: disk.id, Name: disk.name, Path: disk_path.to_s, primary: !!disk.primary}
end

.setup_dvd(machine, disk) ⇒ Hash

Sets up all disk configs of type :dvd

Parameters:

  • machine (Vagrant::Machine) —
    • the current machine
  • disk (Config::Disk) —
    • the current disk to configure

Returns:

  • (Hash) —
    • disk_metadata


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# File 'lib/vagrant-qemu/cap/disk.rb', line 107

def self.setup_dvd(machine, disk)
  {UUID: disk.id, Name: disk.name, Path: disk.file, primary: !!disk.primary}
end

.validate_disk_ext(machine, disk_ext) ⇒ Bool

Parameters:

  • machine (Vagrant::Machine)
  • disk_ext (String)

Returns:

  • (Bool) 


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# File 'lib/vagrant-qemu/cap/disk.rb', line 27

def self.validate_disk_ext(machine, disk_ext)
  DEFAULT_DISK_EXT_LIST.include?(disk_ext)
end