From 10f416463baa3050911c2509f796ec03fc4759e8 Mon Sep 17 00:00:00 2001
From: Alessandro Pilotti <apilotti@cloudbasesolutions.com>
Date: Wed, 30 Apr 2014 05:54:09 +0300
Subject: [PATCH] Adds Windows licensing plugin

Adds support for performing an automated activation.
---
 cloudbaseinit/plugins/factory.py           |  1 +
 cloudbaseinit/plugins/windows/licensing.py | 67 ++++++++++++++++++++++
 2 files changed, 68 insertions(+)
 create mode 100644 cloudbaseinit/plugins/windows/licensing.py

diff --git a/cloudbaseinit/plugins/factory.py b/cloudbaseinit/plugins/factory.py
index db650cc1..495507be 100644
--- a/cloudbaseinit/plugins/factory.py
+++ b/cloudbaseinit/plugins/factory.py
@@ -25,6 +25,7 @@ opts = [
             'cloudbaseinit.plugins.windows.sethostname.SetHostNamePlugin',
             'cloudbaseinit.plugins.windows.createuser.CreateUserPlugin',
             'cloudbaseinit.plugins.windows.networkconfig.NetworkConfigPlugin',
+            'cloudbaseinit.plugins.windows.licensing.WindowsLicensingPlugin',
             'cloudbaseinit.plugins.windows.sshpublickeys.'
             'SetUserSSHPublicKeysPlugin',
             'cloudbaseinit.plugins.windows.extendvolumes.ExtendVolumesPlugin',
diff --git a/cloudbaseinit/plugins/windows/licensing.py b/cloudbaseinit/plugins/windows/licensing.py
new file mode 100644
index 00000000..8bd3e5d8
--- /dev/null
+++ b/cloudbaseinit/plugins/windows/licensing.py
@@ -0,0 +1,67 @@
+# Copyright 2014 Cloudbase Solutions Srl
+#
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import os
+
+from oslo.config import cfg
+
+from cloudbaseinit.openstack.common import log as logging
+from cloudbaseinit.osutils import factory as osutils_factory
+from cloudbaseinit.plugins import base
+
+opts = [
+    cfg.BoolOpt('activate_windows', default=False,
+                help='Activates Windows automatically'),
+]
+
+CONF = cfg.CONF
+CONF.register_opts(opts)
+
+LOG = logging.getLogger(__name__)
+
+
+class WindowsLicensingPlugin(base.BasePlugin):
+    def _run_slmgr(self, osutils, args):
+        if osutils.check_sysnative_dir_exists():
+            cscript_dir = osutils.get_sysnative_dir()
+        else:
+            cscript_dir = osutils.get_system32_dir()
+
+        # Not SYSNATIVE, as it is already executed by a x64 process
+        slmgr_dir = osutils.get_system32_dir()
+
+        cscript_path = os.path.join(cscript_dir, "cscript.exe")
+        slmgr_path = os.path.join(slmgr_dir, "slmgr.vbs")
+
+        (out, err, exit_code) = osutils.execute_process(
+            [cscript_path, slmgr_path] + args, False)
+
+        if exit_code:
+            raise Exception('slmgr.vbs failed with error code %(exit_code)s.\n'
+                            'Output: %(out)s\nError: %(err)s' %
+                            {'exit_code': exit_code, 'out': out, 'err': err})
+        return out
+
+    def execute(self, service, shared_data):
+        if CONF.activate_windows:
+            osutils = osutils_factory.get_os_utils()
+
+            license_info = self._run_slmgr(osutils, ['/dlv'])
+            LOG.info('Microsoft Windows license info:\n%s' % license_info)
+
+            LOG.info("Activating Windows")
+            activation_result = self._run_slmgr(osutils, ['/ato'])
+            LOG.debug("Activation result:\n%s" % activation_result)
+
+            return (base.PLUGIN_EXECUTION_DONE, False)