Remove unused script rabbitmq_get_gospel_node.py

This script is used by neither Kolla Ansible nor TripleO.

Change-Id: I4859a727b269dd13465d90dff50107e29d39956e

docker/rabbitmq/Dockerfile.j2

@@ -73,8 +73,7 @@ RUN rm -rf /var/lib/rabbitmq/* \
 {% endblock %}
 
 COPY extend_start.sh /usr/local/bin/kolla_extend_start
-COPY rabbitmq_get_gospel_node.py /usr/local/bin/rabbitmq_get_gospel_node
-RUN chmod 755 /usr/local/bin/kolla_extend_start /usr/local/bin/rabbitmq_get_gospel_node
+RUN chmod 755 /usr/local/bin/kolla_extend_start
 
 {% block rabbitmq_footer %}{% endblock %}
 {% block footer %}{% endblock %}

docker/rabbitmq/rabbitmq_get_gospel_node.py

@@ -1,63 +0,0 @@
-#!/usr/bin/python
-
-# 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.
-
-import json
-import subprocess  # nosec
-import traceback
-
-
-def extract_gospel_node(term):
-    return term.split("@")[1].translate(None, "\'\"{},")
-
-
-def main():
-    try:
-        # TODO(pbourke): see if can get gospel node without requiring shell
-        raw_status = subprocess.check_output(
-            "/usr/sbin/rabbitmqctl eval 'rabbit_clusterer:status().'",
-            shell=True, stderr=subprocess.STDOUT  # nosec: this command appears
-                                                  # to require a shell to work
-        )
-        if "Rabbit is running in cluster configuration" not in raw_status:
-            raise AttributeError
-        gospel_line = [
-            line for line in raw_status.split('\n') if 'gospel' in line
-        ][0]
-        gospel_node = extract_gospel_node(gospel_line)
-        if not gospel_node:
-            raise AttributeError
-    except AttributeError:
-        result = {
-            'failed': True,
-            'error': raw_status,
-            'changed': True
-        }
-    except Exception:
-        result = {
-            'failed': True,
-            'error': traceback.format_exc(),
-            'changed': True
-        }
-    else:
-        result = {
-            'failed': False,
-            'hostname': gospel_node,
-            'changed': False
-        }
-
-    print(json.dumps(result))
-
-
-if __name__ == '__main__':
-    main()