unit-haproxy-1: 21:08:57 INFO unit.haproxy/1.config-changed Traceback (most recent call last):
unit-haproxy-1: 21:08:57 INFO unit.haproxy/1.config-changed File "/var/lib/juju/agents/unit-haproxy-1/charm/hooks/config-changed", line 1390, in <module>
unit-haproxy-1: 21:08:57 INFO unit.haproxy/1.config-changed main(hook_name)
unit-haproxy-1: 21:08:57 INFO unit.haproxy/1.config-changed File "/var/lib/juju/agents/unit-haproxy-1/charm/hooks/config-changed", line 1348, in main
unit-haproxy-1: 21:08:57 INFO unit.haproxy/1.config-changed config_changed()
unit-haproxy-1: 21:08:57 INFO unit.haproxy/1.config-changed File "/var/lib/juju/agents/unit-haproxy-1/charm/hooks/config-changed", line 957, in config_changed
unit-haproxy-1: 21:08:57 INFO unit.haproxy/1.config-changed haproxy_userlists = create_haproxy_userlists()
unit-haproxy-1: 21:08:57 INFO unit.haproxy/1.config-changed File "/var/lib/juju/agents/unit-haproxy-1/charm/hooks/config-changed", line 203, in create_haproxy_userlists
unit-haproxy-1: 21:08:57 INFO unit.haproxy/1.config-changed for l in userlists:
unit-haproxy-1: 21:08:57 INFO unit.haproxy/1.config-changed TypeError: 'NoneType' object is not iterable
unit-haproxy-1: 21:08:57 ERROR juju.worker.uniter.operation hook "config-changed" failed: exit status 1