Add support for running scripts after container creation

lib/vagrant-lxc/container.rb

@@ -16,6 +16,8 @@ module Vagrant
       # an UUID.
       class NotFound < StandardError; end
 
+      CONTAINERS_PATH = '/var/lib/lxc'
+
       attr_reader :name
 
       def initialize(name)
@@ -30,13 +32,26 @@ module Vagrant
       def create(metadata = {})
         # FIXME: Ruby 1.8 users dont have SecureRandom
         # @logger.info('Creating container...')
-        name       = SecureRandom.hex(6)
+        @name      = SecureRandom.hex(6)
         public_key = Vagrant.source_root.join('keys', 'vagrant.pub').expand_path.to_s
 
         # TODO: Handle errors
-        lxc :create, '--template', metadata['template-name'], '--name', name, '--', '-S', public_key, '-T', metadata['tar-cache']
+        lxc :create, '--template', metadata['template-name'], '--name', @name, '--', '-S', public_key, '-T', metadata['tar-cache']
 
-        @name = name
+        @name
+      end
+
+      def run_after_create_script(script)
+        private_key = Vagrant.source_root.join('keys', 'vagrant').expand_path.to_s
+
+        @logger.debug 'Running after-create-script from box metadata'
+        cmd = [
+          script,
+          '-r', "#{CONTAINERS_PATH}/#{@name}/rootfs",
+          '-k', private_key,
+          '-i', dhcp_ip
+        ]
+        execute *cmd
       end
 
       def start

spec/unit/container_spec.rb

@@ -82,7 +82,7 @@ describe Vagrant::LXC::Container do
     let(:public_key_path) { Vagrant.source_root.join('keys', 'vagrant.pub').expand_path.to_s }
 
     before do
-      subject.stub(:lxc)
+      subject.stub(lxc: true)
       SecureRandom.stub(hex: name)
       subject.create 'template-name' => template_name, 'tar-cache' => tar_cache_path
     end
@@ -99,6 +99,27 @@ describe Vagrant::LXC::Container do
     end
   end
 
+  describe 'after create script execution' do
+    let(:name)              { 'random-container-name' }
+    let(:after_create_path) { '/path/to/after/create' }
+    let(:execute_cmd)       { @execute_cmd }
+    let(:priv_key_path)     { Vagrant.source_root.join('keys', 'vagrant').expand_path.to_s }
+    let(:ip)                { '10.0.3.234' }
+
+    before do
+      subject.stub(dhcp_ip: ip)
+      subject.stub(:execute) { |*args| @execute_cmd = args.join(' ') }
+      subject.run_after_create_script after_create_path
+    end
+
+    it 'runs after-create-script when present passing required variables' do
+      execute_cmd.should include after_create_path
+      execute_cmd.should include "-r /var/lib/lxc/#{name}/rootfs"
+      execute_cmd.should include "-k #{priv_key_path}"
+      execute_cmd.should include "-i #{ip}"
+    end
+  end
+
   describe 'destruction' do
     let(:name) { 'container-name' }