Enable functional tests for train

This patch also updates the smoke test to run train.

Update designate.conf template to switch to use listen
configuration stanza for Rocky and later; api_host/api_port
have been dropped in Train.

Depends-On: https://review.opendev.org/#/c/678249/
Change-Id: I1b7c4120a5942a9799de1e72ea55464fd27c76c0

src/templates/rocky/designate.conf

@@ -85,12 +85,9 @@ enable_host_header = true
 # The base uri used in responses
 api_base_uri = '{{ options.external_endpoints.designate_api.url }}'
 
-# Address to bind the API server
+# API host:port pairs to listen on (list value)
 # NOTE:tinwood - Listen on every interface; fix for BUG #1734156
-api_host = 0.0.0.0
-
-# Port the bind the API server to
-api_port = '{{ options.service_listen_info.designate_api.port }}'
+listen = 0.0.0.0:{{ options.service_listen_info.designate_api.port }}
 
 # Maximum line size of message headers to be accepted. max_header_line may
 # need to be increased when using large tokens (typically those generated by

src/tests/gate-basic-bionic-train

@@ -0,0 +1,27 @@
+#!/usr/bin/env python
+
+# Copyright 2016 Canonical Ltd
+#
+# 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.
+
+
+"""Amulet tests on a basic aodh deployment on bionic-train."""
+
+from basic_deployment import DesignateBasicDeployment
+
+if __name__ == '__main__':
+    deployment = DesignateBasicDeployment(
+        series='bionic',
+        openstack='cloud:bionic-train',
+        source='cloud:bionic-train')
+    deployment.run_tests()

src/tox.ini

@@ -43,7 +43,7 @@ commands =
 # Run a specific test as an Amulet smoke test (expected to always pass)
 basepython = python2.7
 commands =
-    bundletester -vl DEBUG -r json -o func-results.json gate-basic-bionic-stein --no-destroy
+    bundletester -vl DEBUG -r json -o func-results.json gate-basic-bionic-train --no-destroy
 
 [testenv:func-dev]
 # Run all development test targets which are +x (may not always pass!)