module Vagrant module LXC module Action class FetchIpWithLxcInfo # Include this so we can use `Subprocess` more easily. include Vagrant::Util::Retryable def initialize(app, env) @app = app @logger = Log4r::Logger.new("vagrant::lxc::action::fetch_ip_with_lxc_info") end def call(env) env[:machine_ip] ||= assigned_ip(env) ensure @app.call(env) end def assigned_ip(env) config = env[:machine].provider_config fetch_ip_tries = config.fetch_ip_tries driver = env[:machine].provider.driver ip = '' return config.ssh_ip_addr if not config.ssh_ip_addr.nil? retryable(:on => LXC::Errors::ExecuteError, :tries => fetch_ip_tries, :sleep => 3) do unless ip = get_container_ip_from_ip_addr(driver) # retry raise LXC::Errors::ExecuteError, :command => "lxc-info" end end ip end # From: https://github.com/lxc/lxc/blob/staging/src/python-lxc/lxc/__init__.py#L371-L385 def get_container_ip_from_ip_addr(driver) output = driver.info '-iH' if output =~ /^([0-9.]+)/ return $1.to_s end end end end end end