Add service common constants

Define interconnection valid states

Signed-off-by: Thomas Morin <thomas.morin@orange.com>
Submitted on behalf of a third-party: Orange

Change-Id: I69684f8926a010b9c2bfa50c72565a730cfc7229

neutron_interconnection/services/common/constants.py

@@ -0,0 +1,35 @@
+# Copyright (c) 2018 Orange.
+# 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.
+
+TO_VALIDATE = 'TO_VALIDATE'
+
+PRE_VALIDATE = 'PRE_VALIDATE'
+VALIDATING = 'VALIDATING'
+VALIDATED = 'VALIDATED'
+
+PRE_ACTIVATE = 'PRE_ACTIVATE'
+ACTIVATING = 'ACTIVATING'
+ACTIVE = 'ACTIVE'
+
+PRE_ACTIVE_CHECK = 'PRE_ACTIVE_CHECK'
+ACTIVE_CHECKING = 'ACTIVE_CHECKING'
+
+TEARDOWN = 'TEARDOWN'
+
+VALID_STATES = [TO_VALIDATE,
+                PRE_VALIDATE, VALIDATING, VALIDATED,
+                PRE_ACTIVATE, ACTIVATING, ACTIVE,
+                PRE_ACTIVE_CHECK, ACTIVE_CHECKING,
+                TEARDOWN]