migrate code over from xos repo

Change-Id: I764ac3196babdb1ce78dded2b2d8d6ad6e965ca6
diff --git a/xos/synchronizer/steps/purge_disabled_users.py b/xos/synchronizer/steps/purge_disabled_users.py
new file mode 100644
index 0000000..6b1dac3
--- /dev/null
+++ b/xos/synchronizer/steps/purge_disabled_users.py
@@ -0,0 +1,25 @@
+import os
+import base64
+import datetime
+from django.db.models import F, Q
+from xos.config import Config
+from synchronizers.base.openstacksyncstep import OpenStackSyncStep
+from core.models.user import User
+from xos.logger import observer_logger as logger
+
+#class SyncRoles(OpenStackSyncStep):
+#    provides=[User]
+#    requested_interval=0
+#    observes=User
+#
+#    def fetch_pending(self, deleted):
+#        if (deleted):
+#            # users marked as deleted
+#            return User.deleted_objects.all()
+#        else:
+#            # disabled users that haven't been updated in over a week
+#            one_week_ago = datetime.datetime.now() - datetime.timedelta(days=7)
+#            return User.objects.filter(is_active=False, updated__gt=one_week_ago)
+#
+#    def sync_record(self, user):
+#        user.delete()