Class: Vagrant::LXC::Action::HandleBoxMetadata

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

Overview

Prepare arguments to be used for lxc-create

Constant Summary collapse

SUPPORTED_VERSIONS = 
['1.0.0', '2', '3']

Instance Method Summary collapse

Constructor Details

#initialize(app, env) ⇒ HandleBoxMetadata

Returns a new instance of HandleBoxMetadata.



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# File 'lib/vagrant-lxc/action/handle_box_metadata.rb', line 8

def initialize(app, env)
  @app    = app
  @logger = Log4r::Logger.new("vagrant::lxc::action::handle_box_metadata")
end

Instance Method Details

#box_version ⇒ Object 



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# File 'lib/vagrant-lxc/action/handle_box_metadata.rb', line 88

def box_version
  @box.metadata.fetch('version')
end

#call(env) ⇒ Object 



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# File 'lib/vagrant-lxc/action/handle_box_metadata.rb', line 13

def call(env)
  @env = env
  @box = @env[:machine].box

  @env[:ui].info I18n.t("vagrant.actions.vm.import.importing",
                        :name => @env[:machine].box.name)

  @logger.info 'Validating box contents'
  validate_box

  @logger.info 'Setting box options on environment'
  @env[:lxc_template_src]  = template_src
  @env[:lxc_template_opts] = template_opts

  # FIXME: Remove support for pre 1.0.0 boxes
  if box_version != '1.0.0'
    @env[:ui].warn "WARNING: You are using a base box that has a format that has been deprecated, please upgrade to a new one."
    @env[:lxc_template_opts].merge!(
      '--auth-key' => Vagrant.source_root.join('keys', 'vagrant.pub').expand_path.to_s
    )
  end

  if template_config_file.exist?
    @env[:lxc_template_opts].merge!('--config' => template_config_file.to_s)
  elsif old_template_config_file.exist?
    @env[:lxc_template_config] = old_template_config_file.to_s
  end

  @app.call env
end

#old_template_config_file ⇒ Object

TODO: Remove this once we remove compatibility for < 1.0.0 boxes



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# File 'lib/vagrant-lxc/action/handle_box_metadata.rb', line 58

def old_template_config_file
  @old_template_config_file ||= @box.directory.join('lxc.conf')
end

#rootfs_tarball ⇒ Object 



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# File 'lib/vagrant-lxc/action/handle_box_metadata.rb', line 68

def rootfs_tarball
  @rootfs_tarball ||= @box.directory.join('rootfs.tar.gz').to_s
end

#template_config_file ⇒ Object 



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# File 'lib/vagrant-lxc/action/handle_box_metadata.rb', line 53

def template_config_file
  @template_config_file ||= @box.directory.join('lxc-config')
end

#template_opts ⇒ Object 



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# File 'lib/vagrant-lxc/action/handle_box_metadata.rb', line 62

def template_opts
  @template_opts ||= @box.metadata.fetch('template-opts', {}).dup.merge!(
    '--tarball'  => rootfs_tarball
  )
end

#template_src ⇒ Object 



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# File 'lib/vagrant-lxc/action/handle_box_metadata.rb', line 44

def template_src
  @template_src ||=
    if (box_template = @box.directory.join('lxc-template')).exist?
      box_template.to_s
    else
      Vagrant::LXC.source_root.join('scripts/lxc-template').to_s
    end
end

#validate_box ⇒ Object 



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# File 'lib/vagrant-lxc/action/handle_box_metadata.rb', line 72

def validate_box
  unless SUPPORTED_VERSIONS.include? box_version
    raise Errors::IncompatibleBox.new name: @box.name,
                                      found: box_version,
                                      supported: SUPPORTED_VERSIONS.join(', ')
  end

  unless File.exists?(template_src)
    raise Errors::TemplateFileMissing.new name: @box.name
  end

  unless File.exists?(rootfs_tarball)
    raise Errors::RootFSTarballMissing.new name: @box.name
  end
end