vagrant-lxc-ng/lib/vagrant-lxc/action/handle_box_metadata.rb
2013-03-03 02:24:05 -03:00

42 lines
1.4 KiB
Ruby

module Vagrant
module LXC
module Action
# Prepare arguments to be used for lxc-create
class HandleBoxMetadata < BaseAction
LXC_TEMPLATES_PATH = Pathname.new("/usr/share/lxc/templates")
def initialize(app, env)
super
@logger = Log4r::Logger.new("vagrant::lxc::action::handle_box_metadata")
end
def call(env)
box = env[:machine].box
metadata = box.metadata
template_name = metadata['template-name']
after_create = metadata['after-create-script'] ?
box.directory.join(metadata['after-create-script']).to_s :
nil
metadata.merge!(
'template-name' => "vagrant-#{box.name}-#{template_name}",
'lxc-cache-path' => box.directory.to_s,
'after-create-script' => after_create
)
# Prepends "lxc-" to the template file so that `lxc-create` is able to find it
dest = LXC_TEMPLATES_PATH.join("lxc-#{metadata['template-name']}").to_s
src = box.directory.join(template_name).to_s
@logger.debug('Copying LXC template into place')
# This should only ask for administrative permission once, even
# though its executed in multiple subshells.
system(%Q[sudo su root -c "cp #{src} #{dest}"])
@app.call(env)
end
end
end
end
end