vagrant-lxc-ng/lib/vagrant-lxc/action/handle_box_metadata.rb
2013-06-08 01:00:21 -03:00

67 lines
1.9 KiB
Ruby

module Vagrant
module LXC
module Action
# Prepare arguments to be used for lxc-create
class HandleBoxMetadata
def initialize(app, env)
@app = app
@logger = Log4r::Logger.new("vagrant::lxc::action::handle_box_metadata")
end
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.debug 'Validating box contents'
validate_box
@logger.debug 'Setting box options on environment'
@env[:lxc_template_opts] = template_opts
@env[:lxc_template_src] = template_src
if template_config_file.exist?
@env[:lxc_template_config] = template_config_file.to_s
end
@app.call env
end
def template_src
@template_src ||= @box.directory.join('lxc-template').to_s
end
def template_config_file
@template_config_file ||= @box.directory.join('lxc.conf')
end
def template_opts
@template_opts ||= @box.metadata.fetch('template-opts', {}).dup.merge!(
'--tarball' => rootfs_tarball,
'--auth-key' => Vagrant.source_root.join('keys', 'vagrant.pub').expand_path.to_s
)
end
def rootfs_tarball
@rootfs_tarball ||= @box.directory.join('rootfs.tar.gz').to_s
end
def validate_box
if [2, 3].include? @box.metadata.fetch('version').to_i
raise Errors::InvalidBoxVersion.new name: @box.name
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
end
end
end
end