Comment 0 for bug 1893935

Kolla built containers with heat-engine fail with following logs:
https://f20bec36e3f198a9ccf9-fa78c758d05065ae4af77013f9d746d5.ssl.cf2.rackcdn.com/749469/2/check/kolla-ansible-ubuntu-binary/059e66f/primary/logs/kolla/heat/heat-engine.txt

2020-09-02 10:50:52.676 6 CRITICAL heat-engine [-] Unhandled error: AttributeError: 'EntryPoint' object has no attribute 'module'
2020-09-02 10:50:52.676 6 ERROR heat-engine Traceback (most recent call last):
2020-09-02 10:50:52.676 6 ERROR heat-engine File "/usr/lib/python3/dist-packages/stevedore/extension.py", line 221, in _load_plugins
2020-09-02 10:50:52.676 6 ERROR heat-engine ext = self._load_one_plugin(ep,
2020-09-02 10:50:52.676 6 ERROR heat-engine File "/usr/lib/python3/dist-packages/stevedore/enabled.py", line 77, in _load_one_plugin
2020-09-02 10:50:52.676 6 ERROR heat-engine ext = super(EnabledExtensionManager, self)._load_one_plugin(
2020-09-02 10:50:52.676 6 ERROR heat-engine File "/usr/lib/python3/dist-packages/stevedore/extension.py", line 255, in _load_one_plugin
2020-09-02 10:50:52.676 6 ERROR heat-engine plugin = ep.load()
2020-09-02 10:50:52.676 6 ERROR heat-engine File "/usr/lib/python3.8/importlib/metadata.py", line 77, in load
2020-09-02 10:50:52.676 6 ERROR heat-engine module = import_module(match.group('module'))
2020-09-02 10:50:52.676 6 ERROR heat-engine File "/usr/lib/python3.8/importlib/__init__.py", line 127, in import_module
2020-09-02 10:50:52.676 6 ERROR heat-engine return _bootstrap._gcd_import(name[level:], package, level)
2020-09-02 10:50:52.676 6 ERROR heat-engine File "<frozen importlib._bootstrap>", line 1014, in _gcd_import
2020-09-02 10:50:52.676 6 ERROR heat-engine File "<frozen importlib._bootstrap>", line 991, in _find_and_load
2020-09-02 10:50:52.676 6 ERROR heat-engine File "<frozen importlib._bootstrap>", line 975, in _find_and_load_unlocked
2020-09-02 10:50:52.676 6 ERROR heat-engine File "<frozen importlib._bootstrap>", line 671, in _load_unlocked
2020-09-02 10:50:52.676 6 ERROR heat-engine File "<frozen importlib._bootstrap_external>", line 783, in exec_module
2020-09-02 10:50:52.676 6 ERROR heat-engine File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
2020-09-02 10:50:52.676 6 ERROR heat-engine File "/usr/lib/python3/dist-packages/heat/engine/clients/os/vitrage.py", line 16, in <module>
2020-09-02 10:50:52.676 6 ERROR heat-engine from vitrageclient import client as vitrage_client
2020-09-02 10:50:52.676 6 ERROR heat-engine ModuleNotFoundError: No module named 'vitrageclient'

Seems the culprit is missing python-vitrageclient package, which is part of heat requirements.txt - but not installed as a dependency when installing heat-engine from UCA (https://github.com/openstack/kolla/blob/master/docker/heat/heat-engine/Dockerfile.j2)