extract vagrantfile shared bits

Vagrantfile

@@ -1,8 +1,8 @@
 VAGRANTFILE_API_VERSION = "2"
 
-vm_ip = "172.16.0.3" # arbitrary private IP
+require './vagrant-common.rb'
 
-go_version = "1.4.2"
+vm_ip = "172.16.0.3" # arbitrary private IP
 
 pkgs = %w(
   lxc-docker
@@ -16,52 +16,6 @@ pkgs = %w(
   bc
 )
 
-go_path = "/usr/local/go/bin"
-
-$install_build_deps = <<SCRIPT
-export DEBIAN_FRONTEND=noninteractive
-apt-key adv \
-  --keyserver hkp://keyserver.ubuntu.com:80 \
-  --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9
-echo 'deb https://get.docker.io/ubuntu docker main' \
-  > /etc/apt/sources.list.d/docker.list
-apt-get -qq update
-apt-get -qq install --no-install-recommends #{pkgs.join(' ')}
-SCRIPT
-
-$install_go_toochain = <<SCRIPT
-curl -s https://storage.googleapis.com/golang/go#{go_version}.linux-amd64.tar.gz \
-  | tar xz -C /usr/local
-#{go_path}/go clean -i net
-#{go_path}/go install -tags netgo std
-SCRIPT
-
-$tweak_user_env = <<SCRIPT
-echo 'export GOPATH="${HOME}"' \
-  >> ~vagrant/.profile
-echo 'export PATH="${HOME}/bin:#{go_path}:${PATH}"' \
-  >> ~vagrant/.profile
-ln -sf ~vagrant/src/github.com/weaveworks/weave ~vagrant/
-sudo chown -R vagrant:vagrant ~vagrant/src
-SCRIPT
-
-$tweak_docker_daemon = <<SCRIPT
-usermod -a -G docker vagrant
-echo 'DOCKER_OPTS="-H unix:///var/run/docker.sock -H tcp://0.0.0.0:2375"' \
-  >> /etc/default/docker
-service docker restart
-SCRIPT
-
-$cleanup = <<SCRIPT
-export DEBIAN_FRONTEND=noninteractive
-## Who the hell thinks official images have to have both of these?
-/etc/init.d/chef-client stop
-/etc/init.d/puppet stop
-apt-get -qq remove puppet chef
-apt-get -qq autoremove
-killall -9 chef-client
-SCRIPT
-
 Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
 
   config.vm.box = "ubuntu/ubuntu-14.10-amd64"
@@ -76,11 +30,11 @@ Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
   config.vm.synced_folder ".", "/vagrant", disabled: true
   config.vm.synced_folder ".", "/home/vagrant/src/github.com/weaveworks/weave"
 
-  config.vm.provision :shell, :inline => $install_build_deps
-  config.vm.provision :shell, :inline => $install_go_toochain
-  config.vm.provision :shell, :inline => $tweak_user_env, :privileged => false
-  config.vm.provision :shell, :inline => $tweak_docker_daemon
-  config.vm.provision :shell, :inline => $cleanup
+  install_build_deps config.vm, pkgs
+  install_go_toochain config.vm
+  tweak_user_env config.vm
+  tweak_docker_daemon config.vm
+  cleanup config.vm
 
 end
 

test/Vagrantfile

@@ -9,18 +9,10 @@ n_machines = 2
 ip_prefix = "192.168.48"
 ip_suffix_base = 10
 
-$cleanup = <<SCRIPT
-export DEBIAN_FRONTEND=noninteractive
-## Who the hell thinks official images have to have both of these?
-/etc/init.d/chef-client stop
-/etc/init.d/puppet stop
-apt-get -qq remove puppet chef
-apt-get -qq autoremove
-killall -9 chef-client
-SCRIPT
+require '../vagrant-common.rb'
 
 def configure_docker(host, hostname, ip)
-  pkgs = "lxc-docker ethtool"
+  pkgs = %w(lxc-docker ethtool)
 
   host.vm.box = "ubuntu/ubuntu-14.10-amd64"
   host.vm.box_url = "https://cloud-images.ubuntu.com/vagrant/utopic/current/utopic-server-cloudimg-amd64-vagrant-disk1.box"
@@ -33,16 +25,13 @@ def configure_docker(host, hostname, ip)
   host.vm.provision :shell, :inline => "sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9"
   host.vm.provision :shell, :inline => "echo deb https://get.docker.io/ubuntu docker main > /etc/apt/sources.list.d/docker.list"
 
-  pkg_cmd = "apt-get update -qq; " \
-  "apt-get install -q -y --force-yes --no-install-recommends "
-  pkg_cmd << pkgs
-  host.vm.provision :shell, :inline => pkg_cmd
+  install_packages host.vm, pkgs
   host.vm.provision :shell, :inline => "usermod -a -G docker vagrant; "
 
   # Listen on the remote API
   host.vm.provision :shell, :inline => "echo 'DOCKER_OPTS=\"-H unix:///var/run/docker.sock -H tcp://0.0.0.0:2375\"' >> /etc/default/docker"
   host.vm.provision :shell, :inline => "service docker restart"
-  host.vm.provision :shell, :inline => $cleanup
+  cleanup(host.vm)
 end
 
 

vagrant-common.rb

@@ -0,0 +1,64 @@
+$go_version = "1.4.2"
+
+$go_path = "/usr/local/go/bin"
+
+def install_packages(vm, pkgs)
+  vm.provision :shell, :inline => <<SCRIPT
+apt-get update -qq
+apt-get install -qq -y --force-yes --no-install-recommends #{pkgs.join(' ')}
+SCRIPT
+end
+
+def install_build_deps(vm, pkgs)
+  vm.provision :shell, :inline => <<SCRIPT
+export DEBIAN_FRONTEND=noninteractive
+apt-key adv \
+  --keyserver hkp://keyserver.ubuntu.com:80 \
+  --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9
+echo 'deb https://get.docker.io/ubuntu docker main' \
+  > /etc/apt/sources.list.d/docker.list
+SCRIPT
+  install_packages(vm, pkgs)
+end
+
+def install_go_toochain(vm)
+  vm.provision :shell, :inline => <<SCRIPT
+curl -s https://storage.googleapis.com/golang/go#{$go_version}.linux-amd64.tar.gz \
+  | tar xz -C /usr/local
+#{$go_path}/go clean -i net
+#{$go_path}/go install -tags netgo std
+SCRIPT
+end
+
+def tweak_user_env(vm)
+  script = <<SCRIPT
+echo 'export GOPATH="${HOME}"' \
+  >> ~vagrant/.profile
+echo 'export PATH="${HOME}/bin:#{$go_path}:${PATH}"' \
+  >> ~vagrant/.profile
+ln -sf ~vagrant/src/github.com/weaveworks/weave ~vagrant/
+sudo chown -R vagrant:vagrant ~vagrant/src
+SCRIPT
+  vm.provision :shell, :inline => script, :privileged => false
+end
+
+def tweak_docker_daemon(vm)
+  vm.provision :shell, :inline => <<SCRIPT
+usermod -a -G docker vagrant
+echo 'DOCKER_OPTS="-H unix:///var/run/docker.sock -H tcp://0.0.0.0:2375"' \
+  >> /etc/default/docker
+service docker restart
+SCRIPT
+end
+
+def cleanup(vm)
+  vm.provision :shell, :inline => <<SCRIPT
+export DEBIAN_FRONTEND=noninteractive
+## Who the hell thinks official images have to have both of these?
+/etc/init.d/chef-client stop
+/etc/init.d/puppet stop
+apt-get -qq remove puppet chef
+apt-get -qq autoremove
+killall -9 chef-client
+SCRIPT
+end