Comment 0 for bug 1447765

In UOSCI, we use the Ubuntu charm as a lightweight and simple validation workload to exercise proposed and development versions of juju, juju-deployer, amulet, and other CI toolsets.

2015-04-23 15:14:07 INFO juju.worker.uniter.operation executor.go:87 preparing operation "run config-changed hook"
2015-04-23 15:14:07 DEBUG juju.worker.uniter.filter filter.go:627 discarded config event
2015-04-23 15:14:07 INFO juju.worker.uniter.operation executor.go:87 executing operation "run config-changed hook"
2015-04-23 15:14:07 INFO unit.ubuntu/0.config-changed logger.go:40 Traceback (most recent call last):
2015-04-23 15:14:07 INFO unit.ubuntu/0.config-changed logger.go:40 File "/var/lib/juju/agents/unit-ubuntu-0/charm/hooks/config-changed", line 12, in <module>
2015-04-23 15:14:07 INFO unit.ubuntu/0.config-changed logger.go:40 from charmhelpers.core.hookenv import (
2015-04-23 15:14:07 INFO unit.ubuntu/0.config-changed logger.go:40 File "/var/lib/juju/agents/unit-ubuntu-0/charm/hooks/charmhelpers/core/hookenv.py", line 25, in <module>
2015-04-23 15:14:07 INFO unit.ubuntu/0.config-changed logger.go:40 import yaml
2015-04-23 15:14:07 INFO unit.ubuntu/0.config-changed logger.go:40 ImportError: No module named yaml
2015-04-23 15:14:07 INFO juju.worker.uniter.context context.go:381 handling reboot
2015-04-23 15:14:07 ERROR juju.worker.uniter.operation runhook.go:89 hook "config-changed" failed: exit status 1
2015-04-23 15:14:07 INFO juju.worker.uniter modes.go:452 ModeAbide exiting