ubuntu@juju-5cb4733d-18dd-47c3-832a-27ce23d550aa-machine-3:~$ sudo tail -f /var/log/juju/unit-ubuntu-repository-cache-0.log -n 50
2015-07-28 18:25:13 INFO juju.cmd supercommand.go:37 running jujud [1.24-beta6-trusty-amd64 gc]
2015-07-28 18:25:13 DEBUG juju.agent agent.go:425 read agent config, format "1.18"
2015-07-28 18:25:13 INFO juju.jujud unit.go:135 unit agent unit-ubuntu-repository-cache-0 start (1.24-beta6-trusty-amd64 [gc])
2015-07-28 18:25:13 INFO juju.network network.go:194 setting prefer-ipv6 to false
2015-07-28 18:25:13 INFO juju.worker runner.go:261 start "api"
2015-07-28 18:25:13 INFO juju.api apiclient.go:331 dialing "wss://10.240.134.191:17070/environment/5cb4733d-18dd-47c3-832a-27ce23d550aa/api"
2015-07-28 18:25:13 INFO juju.api apiclient.go:263 connection established to "wss://10.240.134.191:17070/environment/5cb4733d-18dd-47c3-832a-27ce23d550aa/api"
2015-07-28 18:25:13 INFO juju.api apiclient.go:331 dialing "wss://10.240.134.191:17070/environment/5cb4733d-18dd-47c3-832a-27ce23d550aa/api"
2015-07-28 18:25:13 INFO juju.api apiclient.go:263 connection established to "wss://10.240.134.191:17070/environment/5cb4733d-18dd-47c3-832a-27ce23d550aa/api"
2015-07-28 18:25:13 INFO juju.api apiclient.go:331 dialing "wss://10.240.134.191:17070/environment/5cb4733d-18dd-47c3-832a-27ce23d550aa/api"
2015-07-28 18:25:13 INFO juju.api apiclient.go:263 connection established to "wss://10.240.134.191:17070/environment/5cb4733d-18dd-47c3-832a-27ce23d550aa/api"
2015-07-28 18:25:14 INFO juju.worker runner.go:261 start "proxyupdater"
2015-07-28 18:25:14 DEBUG juju.worker.proxyupdater proxyupdater.go:69 write system files: false
2015-07-28 18:25:14 INFO juju.worker runner.go:261 start "upgrader"
2015-07-28 18:25:14 INFO juju.worker runner.go:261 start "logger"
2015-07-28 18:25:14 DEBUG juju.worker.logger logger.go:35 initial log config: "<root>=DEBUG"
2015-07-28 18:25:14 DEBUG juju.worker.logger logger.go:60 logger setup
2015-07-28 18:25:14 INFO juju.worker runner.go:261 start "uniter"
2015-07-28 18:25:14 INFO juju.worker runner.go:261 start "apiaddressupdater"
2015-07-28 18:25:14 INFO juju.worker runner.go:261 start "rsyslog"
2015-07-28 18:25:14 DEBUG juju.worker.rsyslog worker.go:105 starting rsyslog worker mode 1 for "unit-ubuntu-repository-cache-0" ""
2015-07-28 18:25:14 DEBUG juju.worker.leadership tracker.go:123 ubuntu-repository-cache/0 making initial claim for ubuntu-repository-cache leadership
2015-07-28 18:25:14 DEBUG juju.worker.leadership tracker.go:165 checking ubuntu-repository-cache/0 for ubuntu-repository-cache leadership
2015-07-28 18:25:14 DEBUG juju.worker.proxyupdater proxyupdater.go:151 new proxy settings proxy.Settings{Http:"", Https:"", Ftp:"", NoProxy:""}
2015-07-28 18:25:14 DEBUG juju.worker.logger logger.go:45 reconfiguring logging from "<root>=DEBUG" to "<root>=WARNING;unit=DEBUG"
2015-07-28 18:25:15 INFO install Traceback (most recent call last):
2015-07-28 18:25:15 INFO install File "/var/lib/juju/agents/unit-ubuntu-repository-cache-0/charm/hooks/install", line 16, in <module>
2015-07-28 18:25:15 INFO install from ubuntu_repository_cache import (
2015-07-28 18:25:15 INFO install File "/var/lib/juju/agents/unit-ubuntu-repository-cache-0/charm/lib/ubuntu_repository_cache/mirror.py", line 16, in <module>
2015-07-28 18:25:15 INFO install from charmhelpers.contrib.hahelpers import cluster
2015-07-28 18:25:15 INFO install File "/var/lib/juju/agents/unit-ubuntu-repository-cache-0/charm/lib/charmhelpers/contrib/hahelpers/cluster.py", line 48, in <module>
2015-07-28 18:25:15 INFO install from charmhelpers.core.decorators import (
2015-07-28 18:25:15 INFO install ImportError: No module named decorators
2015-07-28 18:25:15 ERROR juju.worker.uniter.operation runhook.go:107 hook "install" failed: exit status 1