Code review comment for lp:~clint-fewbar/pyjuju/add-egress-zookeeper-protection

Reviewers: mp+125832_code.launchpad.net,

Message:
Please take a look.

Description:
protect zookeeper from non-root direct access

Adds pre-start capability to juju.lib.upstart. Also reformatted tests'
cloud-config data to be more readable.

https://code.launchpad.net/~clint-fewbar/juju/add-egress-zookeeper-protection/+merge/125832

(do not edit description out of merge proposal)

Please review this at https://codereview.appspot.com/6549051/

Affected files:
   A [revision details]
   A juju/lib/tests/data/test_prestart
   M juju/lib/tests/test_upstart.py
   M juju/lib/upstart.py
   M juju/providers/common/cloudinit.py
   M juju/providers/common/tests/data/cloud_init_bootstrap
   M juju/providers/common/tests/data/cloud_init_bootstrap_zookeepers
   M juju/providers/common/tests/data/cloud_init_branch
   M juju/providers/common/tests/data/cloud_init_branch_trunk
   M juju/providers/common/tests/data/cloud_init_distro
   M juju/providers/common/tests/data/cloud_init_ppa
   M juju/providers/common/tests/data/cloud_init_proposed
   M juju/providers/ec2/tests/data/bootstrap_cloud_init
   M juju/providers/ec2/tests/data/launch_cloud_init
   M juju/providers/ec2/tests/data/launch_cloud_init_branch
   M juju/providers/ec2/tests/data/launch_cloud_init_ppa
   M juju/providers/orchestra/launch.py
   M juju/providers/orchestra/tests/data/bootstrap_user_data
   M juju/providers/orchestra/tests/data/launch_user_data