Properly handle paused VirtualBox VMs [GH-1184]

CHANGELOG.md

@@ -80,6 +80,7 @@ IMPROVEMENTS / BUG FIXES:
   - Box adding doesn't use `/tmp` anymore which can avoid some cross-device
     copy issues. [GH-1199]
   - Vagrant works properly in folders with strange characters. [GH-1223]
+  - Vagrant properly handles "paused" VirtualBox machines. [GH-1184]
 
 ## 1.0.6 (December 21, 2012)
 

plugins/providers/virtualbox/action.rb

@@ -27,6 +27,7 @@ module VagrantPlugins
       autoload :ForwardPorts, File.expand_path("../action/forward_ports", __FILE__)
       autoload :HostName, File.expand_path("../action/host_name", __FILE__)
       autoload :Import, File.expand_path("../action/import", __FILE__)
+      autoload :IsPaused, File.expand_path("../action/is_paused", __FILE__)
       autoload :IsRunning, File.expand_path("../action/is_running", __FILE__)
       autoload :IsSaved, File.expand_path("../action/is_saved", __FILE__)
       autoload :MatchMACAddress, File.expand_path("../action/match_mac_address", __FILE__)
@@ -110,6 +111,12 @@ module VagrantPlugins
             if env[:result]
               b2.use CheckAccessible
               b2.use DiscardState
+
+              b2.use Call, IsPaused do |env2, b3|
+                next if !env2[:result]
+                b3.use Resume
+              end
+
               b2.use Call, GracefulHalt, :poweroff, :running do |env2, b3|
                 if !env2[:result]
                   b3.use ForcedHalt
@@ -241,10 +248,18 @@ module VagrantPlugins
               if env2[:result]
                 # The VM is saved, so just resume it
                 b3.use action_resume
-              else
+                next
+              end
+
+              b3.use Call, IsPaused do |env3, b4|
+                if env3[:result]
+                  b4.use Resume
+                  next
+                end
+
                 # The VM is not saved, so we must have to boot it up
                 # like normal. Boot!
-                b3.use action_boot
+                b4.use action_boot
               end
             end
           end

plugins/providers/virtualbox/action/is_paused.rb

@@ -0,0 +1,20 @@
+module VagrantPlugins
+  module ProviderVirtualBox
+    module Action
+      class IsPaused
+        def initialize(app, env)
+          @app = app
+        end
+
+        def call(env)
+          # Set the result to be true if the machine is paused.
+          env[:result] = env[:machine].state.id == :paused
+
+          # Call the next if we have one (but we shouldn't, since this
+          # middleware is built to run with the Call-type middlewares)
+          @app.call(env)
+        end
+      end
+    end
+  end
+end

plugins/providers/virtualbox/action/resume.rb

@@ -7,7 +7,12 @@ module VagrantPlugins
         end
 
         def call(env)
-          if env[:machine].provider.state.id == :saved
+          current_state = env[:machine].provider.state.id
+
+          if current_state == :paused
+            env[:ui].info I18n.t("vagrant.actions.vm.resume.unpausing")
+            env[:machine].provider.driver.resume
+          elsif current_state == :saved
             env[:ui].info I18n.t("vagrant.actions.vm.resume.resuming")
             env[:action_runner].run(Boot, env)
           end

plugins/providers/virtualbox/driver/meta.rb

@@ -93,6 +93,7 @@ module VagrantPlugins
           :read_state,
           :read_used_ports,
           :read_vms,
+          :resume,
           :set_mac_address,
           :set_name,
           :share_folders,

plugins/providers/virtualbox/driver/version_4_0.rb

@@ -438,6 +438,11 @@ module VagrantPlugins
           nil
         end
 
+        def resume
+          @logger.debug("Resuming paused VM...")
+          execute("controlvm", @uuid, "resume")
+        end
+
         def start(mode)
           command = ["startvm", @uuid, "--type", mode.to_s]
           r = raw(*command)

plugins/providers/virtualbox/driver/version_4_1.rb

@@ -438,6 +438,11 @@ module VagrantPlugins
           nil
         end
 
+        def resume
+          @logger.debug("Resuming paused VM...")
+          execute("controlvm", @uuid, "resume")
+        end
+
         def start(mode)
           command = ["startvm", @uuid, "--type", mode.to_s]
           r = raw(*command)

plugins/providers/virtualbox/driver/version_4_2.rb

@@ -423,6 +423,11 @@ module VagrantPlugins
           nil
         end
 
+        def resume
+          @logger.debug("Resuming paused VM...")
+          execute("controlvm", @uuid, "resume")
+        end
+
         def start(mode)
           command = ["startvm", @uuid, "--type", mode.to_s]
           r = raw(*command)

templates/locales/en.yml

@@ -675,6 +675,8 @@ en:
           beginning: "Running provisioner: %{provisioner}..."
         resume:
           resuming: Resuming suspended VM...
+          unpausing: |-
+            Unpausing the VM...
         share_folders:
           creating: Creating shared folders metadata...
           mounting: Mounting shared folders...