config-changed fails with default_mongodb_config referenced before assignment

[Xav Paice]

Upgrading from cs:mongodb (21.07) to f1f7aae0cc2f4896e97d7bdcfd5f754919228e7f:

2021-09-13 23:16:18 INFO juju.worker.uniter resolver.go:144 awaiting error resolution for "config-changed" hook
2021-09-13 23:16:18 INFO unit.graylog-mongodb/0.juju-log server.go:325 Entering config_changed
2021-09-13 23:16:19 WARNING unit.graylog-mongodb/0.config-changed logger.go:60 Traceback (most recent call last):
2021-09-13 23:16:19 WARNING unit.graylog-mongodb/0.config-changed logger.go:60 File "/var/lib/juju/agents/unit-graylog-mongodb-0/charm/hooks/config-changed", line 2091, in <module>
2021-09-13 23:16:19 WARNING unit.graylog-mongodb/0.config-changed logger.go:60 hooks.execute(sys.argv)
2021-09-13 23:16:19 WARNING unit.graylog-mongodb/0.config-changed logger.go:60 File "/var/lib/juju/agents/unit-graylog-mongodb-0/charm/hooks/charmhelpers/core/hookenv.py", line 943, in execute
2021-09-13 23:16:19 WARNING unit.graylog-mongodb/0.config-changed logger.go:60 self._hooks[hook_name]()
2021-09-13 23:16:19 WARNING unit.graylog-mongodb/0.config-changed logger.go:60 File "/var/lib/juju/agents/unit-graylog-mongodb-0/charm/hooks/config-changed", line 1149, in config_changed
2021-09-13 23:16:19 WARNING unit.graylog-mongodb/0.config-changed logger.go:60 mongodb_config = open(default_mongodb_config).read()
2021-09-13 23:16:19 WARNING unit.graylog-mongodb/0.config-changed logger.go:60 UnboundLocalError: local variable 'default_mongodb_config' referenced before assignment
2021-09-13 23:16:19 ERROR juju.worker.uniter.operation runhook.go:139 hook "config-changed" (via explicit, bespoke hook script) failed: exit status 1

[Mert Kirpici (mertkirpici)]

A fix for this is merged in:

https://code.launchpad.net/~aym-frikha/charm-mongodb/+git/charm-mongodb/+merge/412639

See description of 1946810