2014-04-29 16:50:58 -07:00

75 lines
2.4 KiB
Ruby

require 'log4r'
require 'vagrant/action/hook'
require 'vagrant/util/busy'
module Vagrant
module Action
class Runner
@@reported_interrupt = false
def initialize(globals=nil, &block)
@globals = globals || {}
@lazy_globals = block
@logger = Log4r::Logger.new("vagrant::action::runner")
end
def run(callable_id, options=nil)
callable = callable_id
if !callable.kind_of?(Builder)
if callable_id.kind_of?(Class) || callable_id.respond_to?(:call)
callable = Builder.build(callable_id)
end
end
if !callable || !callable.respond_to?(:call)
raise ArgumentError,
"Argument to run must be a callable object or registered action."
end
# Create the initial environment with the options given
environment = {}
environment.merge!(@globals)
environment.merge!(@lazy_globals.call) if @lazy_globals
environment.merge!(options || {})
# Setup the action hooks
hooks = Vagrant.plugin("2").manager.action_hooks(environment[:action_name])
if !hooks.empty?
@logger.info("Preparing hooks for middleware sequence...")
environment[:action_hooks] = hooks.map do |hook_proc|
Hook.new.tap do |h|
hook_proc.call(h)
end
end
@logger.info("#{environment[:action_hooks].length} hooks defined.")
end
# Run the action chain in a busy block, marking the environment as
# interrupted if a SIGINT occurs, and exiting cleanly once the
# chain has been run.
ui = environment[:ui] if environment.has_key?(:ui)
int_callback = lambda do
if environment[:interrupted]
ui.error I18n.t("vagrant.actions.runner.exit_immediately") if ui
abort
end
ui.warn I18n.t("vagrant.actions.runner.waiting_cleanup") if ui && !@@reported_interrupt
environment[:interrupted] = true
@@reported_interrupt = true
end
# We place a process lock around every action that is called
@logger.info("Running action: #{callable_id}")
Util::Busy.busy(int_callback) { callable.call(environment) }
# Return the environment in case there are things in there that
# the caller wants to use.
environment
end
end
end
end