"Backport" vagrant 1.3+ WaitForCommunicator action

lib/vagrant-lxc/action/wait_for_communicator.rb

@@ -0,0 +1,46 @@
+# This acts like a backport of Vagrant's built in action from 1.3+ for older versions
+#   https://github.com/mitchellh/vagrant/blob/master/lib/vagrant/action/builtin/wait_for_communicator.rb
+module Vagrant
+  module LXC
+    module Action
+      class WaitForCommunicator
+        def initialize(app, env, states = [])
+          @app    = app
+          @states = states
+        end
+
+        def call(env)
+          @env = env
+          raise Vagrant::Errors::VMFailedToBoot if !wait_for_boot
+          @app.call env
+        end
+
+        # Stolen from the an old version of VagrantPlugins::ProviderVirtualBox::Action::Boot
+        def wait_for_boot
+          @env[:ui].info I18n.t("vagrant_lxc.messages.waiting_for_start")
+
+          @env[:machine].config.ssh.max_tries.to_i.times do |i|
+            if @env[:machine].communicate.ready?
+              @env[:ui].info I18n.t("vagrant_lxc.messages.container_ready")
+              return true
+            end
+
+            # Return true so that the vm_failed_to_boot error doesn't
+            # get shown
+            return true if @env[:interrupted]
+
+            # If the VM is not starting or running, something went wrong
+            # and we need to show a useful error.
+            state = @env[:machine].provider.state.id
+            raise Vagrant::Errors::VMFailedToRun unless @states.include?(state)
+
+            sleep 2 if !@env["vagrant.test"]
+          end
+
+          @env[:ui].error I18n.t("vagrant.actions.vm.boot.failed")
+          false
+        end
+      end
+    end
+  end
+end