vagrant-lxc-ng/lib/vagrant-lxc/action/fetch_ip_with_lxc_info.rb
2018-07-21 14:52:26 +02:00

44 lines
1.3 KiB
Ruby

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