2013-03-13 21:24:03 -07:00

86 lines
2.8 KiB
Ruby

require "log4r"
require "vagrant/util/platform"
module Vagrant
module Action
module Builtin
# This middleware will download a remote box and add it to the
# given box collection.
class BoxAdd
def initialize(app, env)
@app = app
@logger = Log4r::Logger.new("vagrant::action::builtin::box_add")
end
def call(env)
# Instantiate the downloader
downloader = download_klass(env[:box_url]).new(env[:ui])
env[:ui].info I18n.t("vagrant.actions.box.download.with",
:class => downloader.class.to_s)
# Download the box to a temporary path. We store the temporary
# path as an instance variable so that the `#recover` method can
# access it.
@temp_path = env[:tmp_path].join("box" + Time.now.to_i.to_s)
@logger.info("Downloading box to: #{@temp_path}")
File.open(@temp_path, Vagrant::Util::Platform.tar_file_options) do |f|
downloader.download!(env[:box_url], f)
end
# Add the box
env[:ui].info I18n.t("vagrant.actions.box.add.adding", :name => env[:box_name])
added_box = nil
begin
added_box = env[:box_collection].add(
@temp_path, env[:box_name], env[:box_provider], env[:box_force])
rescue Vagrant::Errors::BoxUpgradeRequired
# Upgrade the box
env[:box_collection].upgrade(env[:box_name])
# Try adding it again
retry
end
# Call the 'recover' method in all cases to clean up the
# downloaded temporary file.
recover(env)
# Success, we added a box!
env[:ui].success(
I18n.t("vagrant.actions.box.add.added", name: added_box.name, provider: added_box.provider))
# Carry on!
@app.call(env)
end
def download_klass(url)
# This is hardcoded for now. In the future I'd like to make this
# pluginnable as well.
classes = [Downloaders::HTTP, Downloaders::File]
# Find the class to use.
classes.each_index do |i|
klass = classes[i]
# Use the class if it matches the given URI or if this
# is the last class...
return klass if classes.length == (i + 1) || klass.match?(url)
end
# If no downloader knows how to download this file, then we
# raise an exception.
raise Errors::BoxDownloadUnknownType
end
def recover(env)
if @temp_path && File.exist?(@temp_path)
env[:ui].info I18n.t("vagrant.actions.box.download.cleaning")
File.unlink(@temp_path)
end
end
end
end
end
end