merged instance time and added better concurrency

1 files changed, 43 insertions, 0 deletions

diff --git a/bin/nova-scheduler b/bin/nova-scheduler
new file mode 100755
index 000000000..38a8f213f
--- /dev/null
+++ b/bin/nova-scheduler
@@ -0,0 +1,43 @@
+#!/usr/bin/env python
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+# Copyright 2010 United States Government as represented by the
+# Administrator of the National Aeronautics and Space Administration.
+# All Rights Reserved.
+#
+#    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.
+
+"""
+  Twistd daemon for the nova scheduler nodes.
+"""
+
+import os
+import sys
+
+# If ../nova/__init__.py exists, add ../ to Python search path, so that
+# it will override what happens to be installed in /usr/(local/)lib/python...
+possible_topdir = os.path.normpath(os.path.join(os.path.abspath(sys.argv[0]),
+                                   os.pardir,
+                                   os.pardir))
+if os.path.exists(os.path.join(possible_topdir, 'nova', '__init__.py')):
+    sys.path.insert(0, possible_topdir)
+
+from nova import service
+from nova import twistd
+
+
+if __name__ == '__main__':
+    twistd.serve(__file__)
+
+if __name__ == '__builtin__':
+    application = service.Service.create()