Adds the LocalScriptsPlugin plugin

This plugin allows the execution of arbitrary scripts
located in the CONF.local_scripts_path dir

cloudbaseinit/plugins/factory.py

@@ -38,6 +38,7 @@ opts = [
             'ConfigWinRMListenerPlugin',
             'cloudbaseinit.plugins.windows.winrmcertificateauth.'
             'ConfigWinRMCertificateAuthPlugin',
+            'cloudbaseinit.plugins.windows.localscripts.LocalScriptsPlugin',
         ],
         help='List of enabled plugin classes, '
         'to executed in the provided order'),

cloudbaseinit/plugins/windows/localscripts.py

@@ -0,0 +1,43 @@
+# 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.plugins import base
+from cloudbaseinit.plugins.windows import fileexecutils
+
+opts = [
+    cfg.StrOpt('local_scripts_path', default=None,
+               help='Path location containing scripts to be executed when '
+                    'the plugin runs'),
+]
+
+CONF = cfg.CONF
+CONF.register_opts(opts)
+
+
+class LocalScriptsPlugin(base.BasePlugin):
+
+    def _get_files_in_dir(self, path):
+        return sorted([os.path.join(path, f) for f in os.listdir(path)
+                       if os.path.isfile(os.path.join(path, f))])
+
+    def execute(self, service, shared_data):
+        if CONF.local_scripts_path:
+            for file_path in self._get_files_in_dir(CONF.local_scripts_path):
+                fileexecutils.exec_file(file_path)
+
+        return (base.PLUGIN_EXECUTION_DONE, False)