Added charm-elasticsearch.  Primarily because functional tests fail due to the charmhelpers Ansible module collecting unit_public_ip as part of the context initiation for Ansible runs.

2022-01-25 20:34:08 [ERROR] unit-elasticsearch-0.log: 2022-01-25 20:34:00 WARNING unit.elasticsearch/0.install logger.go:60 Traceback (most recent call last):
2022-01-25 20:34:08 [ERROR] unit-elasticsearch-0.log: 2022-01-25 20:34:00 WARNING unit.elasticsearch/0.install logger.go:60   File "/var/lib/juju/agents/unit-elasticsearch-0/charm/hooks/install", line 215, in <module>
2022-01-25 20:34:08 [ERROR] unit-elasticsearch-0.log: 2022-01-25 20:34:00 WARNING unit.elasticsearch/0.install logger.go:60     hooks.execute(sys.argv)
2022-01-25 20:34:08 [ERROR] unit-elasticsearch-0.log: 2022-01-25 20:34:00 WARNING unit.elasticsearch/0.install logger.go:60   File "/var/lib/juju/agents/unit-elasticsearch-0/charm/hooks/charmhelpers/contrib/ansible/__init__.py", line 282, in execute
2022-01-25 20:34:08 [ERROR] unit-elasticsearch-0.log: 2022-01-25 20:34:00 WARNING unit.elasticsearch/0.install logger.go:60     charmhelpers.contrib.ansible.apply_playbook(
2022-01-25 20:34:08 [ERROR] unit-elasticsearch-0.log: 2022-01-25 20:34:00 WARNING unit.elasticsearch/0.install logger.go:60   File "/var/lib/juju/agents/unit-elasticsearch-0/charm/hooks/charmhelpers/contrib/ansible/__init__.py", line 196, in apply_playbook
2022-01-25 20:34:08 [ERROR] unit-elasticsearch-0.log: 2022-01-25 20:34:00 WARNING unit.elasticsearch/0.install logger.go:60     charmhelpers.contrib.templating.contexts.juju_state_to_yaml(
2022-01-25 20:34:08 [ERROR] unit-elasticsearch-0.log: 2022-01-25 20:34:00 WARNING unit.elasticsearch/0.install logger.go:60   File "/var/lib/juju/agents/unit-elasticsearch-0/charm/hooks/charmhelpers/contrib/templating/contexts.py", line 105, in juju_state_to_yaml
2022-01-25 20:34:08 [ERROR] unit-elasticsearch-0.log: 2022-01-25 20:34:00 WARNING unit.elasticsearch/0.install logger.go:60     config['unit_public_address'] = charmhelpers.core.hookenv.unit_get(
2022-01-25 20:34:08 [ERROR] unit-elasticsearch-0.log: 2022-01-25 20:34:00 WARNING unit.elasticsearch/0.install logger.go:60   File "/var/lib/juju/agents/unit-elasticsearch-0/charm/hooks/charmhelpers/core/hookenv.py", line 85, in wrapper
2022-01-25 20:34:08 [ERROR] unit-elasticsearch-0.log: 2022-01-25 20:34:00 WARNING unit.elasticsearch/0.install logger.go:60     res = func(*args, **kwargs)
2022-01-25 20:34:08 [ERROR] unit-elasticsearch-0.log: 2022-01-25 20:34:00 WARNING unit.elasticsearch/0.install logger.go:60   File "/var/lib/juju/agents/unit-elasticsearch-0/charm/hooks/charmhelpers/core/hookenv.py", line 870, in unit_get
2022-01-25 20:34:08 [ERROR] unit-elasticsearch-0.log: 2022-01-25 20:34:00 WARNING unit.elasticsearch/0.install logger.go:60     return json.loads(subprocess.check_output(_args).decode('UTF-8'))
2022-01-25 20:34:08 [ERROR] unit-elasticsearch-0.log: 2022-01-25 20:34:00 WARNING unit.elasticsearch/0.install logger.go:60   File "/usr/lib/python3.8/subprocess.py", line 415, in check_output
2022-01-25 20:34:08 [ERROR] unit-elasticsearch-0.log: 2022-01-25 20:34:00 WARNING unit.elasticsearch/0.install logger.go:60     return run(*popenargs, stdout=PIPE, timeout=timeout, check=True,
2022-01-25 20:34:08 [ERROR] unit-elasticsearch-0.log: 2022-01-25 20:34:00 WARNING unit.elasticsearch/0.install logger.go:60   File "/usr/lib/python3.8/subprocess.py", line 516, in run
2022-01-25 20:34:08 [ERROR] unit-elasticsearch-0.log: 2022-01-25 20:34:00 WARNING unit.elasticsearch/0.install logger.go:60     raise CalledProcessError(retcode, process.args,
2022-01-25 20:34:08 [ERROR] unit-elasticsearch-0.log: 2022-01-25 20:34:00 WARNING unit.elasticsearch/0.install logger.go:60 subprocess.CalledProcessError: Command '['unit-get', '--format=json', 'public-address']' returned non-zero exit status 1.
2022-01-25 20:34:08 [ERROR] unit-elasticsearch-0.log: 2022-01-25 20:34:00 ERROR juju.worker.uniter.operation runhook.go:146 hook "install" (via explicit, bespoke hook script) failed: exit status 1
2022-01-25 20:34:08 [ERROR] unit-elasticsearch-0.log: 2022-01-25 20:34:00 INFO juju.worker.uniter resolver.go:150 awaiting error resolution for "install" hook
2022-01-25 20:34:08 [ERROR] unit-elasticsearch-0.log: 

We likely need to update the charm to catch exceptions and retry the hook later.