Initial webhook receiver

Change-Id: I4786b133f103a65a381e2b281224b0a9bc8d4182
Related-bug: PROD-24880 (PROD:24880)
diff --git a/sf_notifier/helpers.py b/sf_notifier/helpers.py
new file mode 100644
index 0000000..8d9d7d5
--- /dev/null
+++ b/sf_notifier/helpers.py
@@ -0,0 +1,35 @@
+# Copyright 2018: Mirantis Inc.
+# 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.
+
+
+RESOLVED_STATUSES = ('UP', 'OK', 'resolved')
+
+
+def alert_fields_and_action(alert):
+    fields = []
+    action = 'create_case'
+
+    if alert['status'] in RESOLVED_STATUSES:
+        fields.append(alert['labels'])
+        action = 'close_case'
+    else:
+        # Order matters
+        fields.append('[sf-notifier] {}'.format(
+            alert['annotations']['summary'])
+        )
+        fields.append(alert['annotations']['description'])
+        fields.append(alert['status'])
+        fields.append(alert['labels'])
+    return fields, action