cc_ssh.py doesn't honor host key paths in sshd_config

This bug was originally filed in Launchpad as [LP: #1267505](https://bugs.launchpad.net/cloud-init/+bug/1267505)

Launchpad details

affected_projects = []

assignee = None

assignee_name = None

date_closed = None

date_created = 2014-01-09T15:14:41.721282+00:00

date_fix_committed = None

date_fix_released = None

id = 1267505

importance = medium

is_complete = False

lp_url = https://bugs.launchpad.net/cloud-init/+bug/1267505

milestone = None

owner = cmsj

owner_name = Chris Jones

private = False

status = triaged

submitter = cmsj

submitter_name = Chris Jones

tags = []

duplicates = []

_Launchpad user **Chris Jones(cmsj)** wrote on 2014-01-09T15:14:41.721282+00:00_

If one has configured sshd_config to place host keys in a non-default location (e.g. on some persistent volume that survives instance termination/recreation), cc_ssh.py will still create keys on the first boot in /etc/ssh/