Public bug reported:
In bug #892554, Kees Cook (kees) makes a great suggestion that cloud-
init could output the public ssh host keys to the console output. This
could then be read by automated software outside of the instance and
added to a known_hosts file using the IP address and/or hostname
The simplest way to present the information might be to just print out
the first two fields of all public host keys. For example:
cut -f1-2 -d' ' /etc/ssh/ssh_host_*_key.pub
I've not read anything other than the ssh-keygen manpage, but it says:
-m key_format
Specify a key format for
