cs:prometheus-11 fails with:
unit-test-prometheus-1: 18:26:37 WARNING unit.test-prometheus/1.install Traceback (most recent call last):
unit-test-prometheus-1: 18:26:37 WARNING unit.test-prometheus/1.install File "/var/lib/juju/agents/unit-test-prometheus-1/charm/hooks/install", line 22, in <module>
unit-test-prometheus-1: 18:26:37 WARNING unit.test-prometheus/1.install main()
unit-test-prometheus-1: 18:26:37 WARNING unit.test-prometheus/1.install File "/var/lib/juju/agents/unit-test-prometheus-1/.venv/lib/python3.5/site-packages/charms/reactive/__init__.py", line 71, in main
unit-test-prometheus-1: 18:26:37 WARNING unit.test-prometheus/1.install bus.discover()
unit-test-prometheus-1: 18:26:37 WARNING unit.test-prometheus/1.install File "/var/lib/juju/agents/unit-test-prometheus-1/.venv/lib/python3.5/site-packages/charms/reactive/bus.py", line 426, in discover
unit-test-prometheus-1: 18:26:37 WARNING unit.test-prometheus/1.install _register_handlers_from_file(search_path, filepath)
unit-test-prometheus-1: 18:26:37 WARNING unit.test-prometheus/1.install File "/var/lib/juju/agents/unit-test-prometheus-1/.venv/lib/python3.5/site-packages/charms/reactive/bus.py", line 466, in _register_handlers_from_file
unit-test-prometheus-1: 18:26:37 WARNING unit.test-prometheus/1.install _load_module(root, filepath)
unit-test-prometheus-1: 18:26:37 WARNING unit.test-prometheus/1.install File "/var/lib/juju/agents/unit-test-prometheus-1/.venv/lib/python3.5/site-packages/charms/reactive/bus.py", line 444, in _load_module
unit-test-prometheus-1: 18:26:37 WARNING unit.test-prometheus/1.install return importlib.import_module(package + module)
unit-test-prometheus-1: 18:26:37 WARNING unit.test-prometheus/1.install File "/var/lib/juju/agents/unit-test-prometheus-1/.venv/lib/python3.5/importlib/__init__.py", line 126, in import_module
unit-test-prometheus-1: 18:26:37 WARNING unit.test-prometheus/1.install return _bootstrap._gcd_import(name[level:], package, level)
unit-test-prometheus-1: 18:26:37 WARNING unit.test-prometheus/1.install File "<frozen importlib._bootstrap>", line 986, in _gcd_import
unit-test-prometheus-1: 18:26:37 WARNING unit.test-prometheus/1.install File "<frozen importlib._bootstrap>", line 969, in _find_and_load
unit-test-prometheus-1: 18:26:37 WARNING unit.test-prometheus/1.install File "<frozen importlib._bootstrap>", line 958, in _find_and_load_unlocked
unit-test-prometheus-1: 18:26:37 WARNING unit.test-prometheus/1.install File "<frozen importlib._bootstrap>", line 673, in _load_unlocked
unit-test-prometheus-1: 18:26:37 WARNING unit.test-prometheus/1.install File "<frozen importlib._bootstrap_external>", line 665, in exec_module
unit-test-prometheus-1: 18:26:37 WARNING unit.test-prometheus/1.install File "<frozen importlib._bootstrap>", line 222, in _call_with_frames_removed
unit-test-prometheus-1: 18:26:37 WARNING unit.test-prometheus/1.install File "/var/lib/juju/agents/unit-test-prometheus-1/charm/hooks/relations/prometheus/operator.py", line 53, in <module>
unit-test-prometheus-1: 18:26:37 WARNING unit.test-prometheus/1.install from ops.framework import EventBase, ObjectEvents, EventSource, Object, StoredState
unit-test-prometheus-1: 18:26:37 WARNING unit.test-prometheus/1.install ImportError: No module named 'ops'
cs:prometheus-9 (or any older one), fails with:
unit-test-prometheus9-0: 18:30:34 DEBUG unit.test-prometheus9/0.install 2021-04-21T18:29:52Z INFO Waiting for automatic snapd restart...
unit-test-prometheus9-0: 18:30:34 DEBUG unit.test-prometheus9/0.install prometheus (2/stable) 2.20.1 from Canonical* installed
unit-test-prometheus9-0: 18:30:34 DEBUG unit.test-prometheus9/0.install
unit-test-prometheus9-0: 18:30:34 WARNING unit.test-prometheus9/0.install Traceback (most recent call last):
unit-test-prometheus9-0: 18:30:34 WARNING unit.test-prometheus9/0.install File "/var/lib/juju/agents/unit-test-prometheus9-0/charm/hooks/install", line 22, in <module>
unit-test-prometheus9-0: 18:30:34 WARNING unit.test-prometheus9/0.install main()
unit-test-prometheus9-0: 18:30:34 WARNING unit.test-prometheus9/0.install File "/var/lib/juju/agents/unit-test-prometheus9-0/.venv/lib/python3.5/site-packages/charms/reactive/__init__.py", line 73, in main
unit-test-prometheus9-0: 18:30:34 WARNING unit.test-prometheus9/0.install bus.dispatch(restricted=restricted_mode)
unit-test-prometheus9-0: 18:30:34 WARNING unit.test-prometheus9/0.install File "/var/lib/juju/agents/unit-test-prometheus9-0/.venv/lib/python3.5/site-packages/charms/reactive/bus.py", line 390, in dispatch
unit-test-prometheus9-0: 18:30:34 WARNING unit.test-prometheus9/0.install _invoke(other_handlers)
unit-test-prometheus9-0: 18:30:34 WARNING unit.test-prometheus9/0.install File "/var/lib/juju/agents/unit-test-prometheus9-0/.venv/lib/python3.5/site-packages/charms/reactive/bus.py", line 359, in _invoke
unit-test-prometheus9-0: 18:30:34 WARNING unit.test-prometheus9/0.install handler.invoke()
unit-test-prometheus9-0: 18:30:34 WARNING unit.test-prometheus9/0.install File "/var/lib/juju/agents/unit-test-prometheus9-0/.venv/lib/python3.5/site-packages/charms/reactive/bus.py", line 181, in invoke
unit-test-prometheus9-0: 18:30:34 WARNING unit.test-prometheus9/0.install self._action(*args)
unit-test-prometheus9-0: 18:30:34 WARNING unit.test-prometheus9/0.install File "/var/lib/juju/agents/unit-test-prometheus9-0/charm/reactive/prometheus.py", line 288, in write_prometheus_config_yml
unit-test-prometheus9-0: 18:30:34 WARNING unit.test-prometheus9/0.install ver_major, ver_minor, ver_patch = get_version()
unit-test-prometheus9-0: 18:30:34 WARNING unit.test-prometheus9/0.install File "/var/lib/juju/agents/unit-test-prometheus9-0/charm/reactive/prometheus.py", line 260, in get_version
unit-test-prometheus9-0: 18:30:34 WARNING unit.test-prometheus9/0.install output = subprocess.check_output([get_paths()['promtool'], 'version']).split(b'\n')[0]
unit-test-prometheus9-0: 18:30:34 WARNING unit.test-prometheus9/0.install File "/usr/lib/python3.5/subprocess.py", line 626, in check_output
unit-test-prometheus9-0: 18:30:34 WARNING unit.test-prometheus9/0.install **kwargs).stdout
unit-test-prometheus9-0: 18:30:34 WARNING unit.test-prometheus9/0.install File "/usr/lib/python3.5/subprocess.py", line 708, in run
unit-test-prometheus9-0: 18:30:34 WARNING unit.test-prometheus9/0.install output=stdout, stderr=stderr)
unit-test-prometheus9-0: 18:30:34 WARNING unit.test-prometheus9/0.install subprocess.CalledProcessError: Command '['/snap/bin/prometheus.promtool', 'version']' returned non-zero exit status 1
unit-test-prometheus9-0: 18:30:35 ERROR juju.worker.uniter.operation hook "install" (via explicit, bespoke hook script) failed: exit status 1
using --config install_method=apt works