CoreOS最新版で動かない対策のやっつけパッチ

README.md

git clone https://github.com/tmatilai/vagrant-proxyconf.git
cd vagrant-proxyconf/
(パッチ当て)
gem build vagrant-proxyconf.gemspec
vagrant plugin uninstall vagrant-proxyconf
vagrant plugin install vagrant-proxyconf-(バージョン).gem

vagrant-proxyconf.patch

diff --git a/lib/vagrant-proxyconf/cap/coreos/docker_proxy_conf.rb b/lib/vagrant-proxyconf/cap/coreos/docker_proxy_conf.rb
index 144e2ce..1152642 100644
--- a/lib/vagrant-proxyconf/cap/coreos/docker_proxy_conf.rb
+++ b/lib/vagrant-proxyconf/cap/coreos/docker_proxy_conf.rb
@@ -15,6 +15,9 @@ module VagrantPlugins
               dst_file = '/etc/systemd/system/docker.service'
               tmp_file = '/tmp/docker.service'
               env_file = 'EnvironmentFile=-\/etc\/default\/docker'
+              if comm.test("test ! -e #{src_file}") then
+                src_file = '/run/systemd/system/docker.service'
+              end
               comm.sudo("sed -e 's/\\[Service\\]/[Service]\\n#{env_file}/g' #{src_file} > #{tmp_file}")
               unless comm.test("diff #{tmp_file} #{dst_file}")
                 # update config and restart docker when config changed