Comment 1 for bug 1623504

I get same error, with landscape-scalable on jujucharm, unit-haproxy-3.log:

2017-09-01 21:07:34 INFO config-changed ^MReading state information... 0%^MReading state information... 2%^MReading state information... Done
2017-09-01 21:07:34 INFO config-changed Traceback (most recent call last):
2017-09-01 21:07:34 INFO config-changed File "/var/lib/juju/agents/unit-haproxy-3/charm/hooks/config-changed", line 1367, in <module>
2017-09-01 21:07:34 INFO config-changed main(hook_name)
2017-09-01 21:07:34 INFO config-changed File "/var/lib/juju/agents/unit-haproxy-3/charm/hooks/config-changed", line 1325, in main
2017-09-01 21:07:34 INFO config-changed config_changed()
2017-09-01 21:07:34 INFO config-changed File "/var/lib/juju/agents/unit-haproxy-3/charm/hooks/config-changed", line 946, in config_changed
2017-09-01 21:07:34 INFO config-changed if not create_services():
2017-09-01 21:07:34 INFO config-changed File "/var/lib/juju/agents/unit-haproxy-3/charm/hooks/config-changed", line 603, in create_services
2017-09-01 21:07:34 INFO config-changed services_dict = get_config_services()
2017-09-01 21:07:34 INFO config-changed File "/var/lib/juju/agents/unit-haproxy-3/charm/hooks/config-changed", line 471, in get_config_services
2017-09-01 21:07:34 INFO config-changed return parse_services_yaml(services, config_data['services'] )
2017-09-01 21:07:34 INFO config-changed File "/var/lib/juju/agents/unit-haproxy-3/charm/hooks/charmhelpers/core/hookenv.py", line 255, in __getitem__
2017-09-01 21:07:34 INFO config-changed return (self._prev_dict or {})[key]
2017-09-01 21:07:34 INFO config-changed KeyError: 'services'
2017-09-01 21:07:34 ERROR juju.worker.uniter.operation runhook.go:107 hook "config-changed" failed: exit status 1