1 files changed, 48 insertions, 0 deletions
diff --git a/core/vnf_controller.py b/core/vnf_controller.py
new file mode 100644
index 00000000..be1c7c4a
--- /dev/null
+++ b/core/vnf_controller.py
@@ -0,0 +1,48 @@
+# Copyright 2015 Intel Corporation.
+#
+# 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.
+""" VNF Controller interface
+"""
+
+class IVnfController(object):
+    """Abstract class which defines a VNF controller
+
+    Used to set-up and control a VNF provider for a particular
+    deployment scenario.
+    """
+
+    def get_vnfs(self):
+        """Returns a list of vnfs controlled by this controller.
+        """
+        raise NotImplementedError(
+            "The VnfController does not implement",
+            "the \"get_vnfs\" function.")
+
+    #TODO: Decide on contextmanager or __enter/exit__ strategy <MH 2015-05-01>
+    def start(self):
+        """Boots all VNFs set-up by __init__.
+
+        This is a blocking function.
+        """
+        raise NotImplementedError(
+            "The VnfController does not implement",
+            "the \"start\" function.")
+
+    def stop(self):
+        """Stops all VNFs set-up by __init__.
+
+        This is a blocking function.
+        """
+        raise NotImplementedError(
+            "The VnfController does not implement",
+            "the \"stop\" function.")