vagrant-lxc-ng/lib/vagrant-lxc/driver/fetch_ip_with_attach.rb

30 lines
900 B
Ruby

module Vagrant
module LXC
class Driver
module FetchIpWithAttach
# Include this so we can use `Subprocess` more easily.
include Vagrant::Util::Retryable
def assigned_ip
ip = ''
retryable(:on => LXC::Errors::ExecuteError, :tries => 10, :sleep => 3) do
unless ip = get_container_ip_from_ip_addr
# retry
raise LXC::Errors::ExecuteError, :command => "lxc-attach"
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
output = @cli.attach '/sbin/ip', '-4', 'addr', 'show', 'scope', 'global', 'eth0', namespaces: 'network'
if output =~ /^\s+inet ([0-9.]+)\/[0-9]+\s+/
return $1.to_s
end
end
end
end
end
end