1 files changed, 40 insertions, 0 deletions
diff --git a/ufo/gluster/swift/common/middleware/gluster.py b/ufo/gluster/swift/common/middleware/gluster.py
new file mode 100644
index 000000000..ab63c51e1
--- /dev/null
+++ b/ufo/gluster/swift/common/middleware/gluster.py
@@ -0,0 +1,40 @@
+# Copyright (c) 2012 Red Hat, Inc.
+#
+# 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.
+
+# Noop Middleware that simply allows us to monkey patch the constraints
+import gluster.swift.common.constraints
+
+class Gluster(object):
+    """
+    Noop middleware for use with the proxy server to get paste.deploy to load
+    this middleware such that the plugin constraints monkey patch the common
+    constraints ahead of their use.
+    """
+    def __init__(self, app, conf):
+        self.app = app
+        self.conf = conf
+
+    def __call__(self, env, start_response):
+        return self.app(env, start_response)
+
+
+def filter_factory(global_conf, **local_conf):
+    """Returns a WSGI filter app for use with paste.deploy."""
+    conf = global_conf.copy()
+    conf.update(local_conf)
+
+    def gluster_filter(app):
+        return Gluster(app, conf)
+    return gluster_filter