Public bug reported:

CloudStack provide capability to reset SSH keys for an existing VM with
the API: resetSSHKeyForVirtualMachine [1]

creating an Instance with SSHkey currently work with cloud-init. But,
CloudStack have the capability to reset it, the VM must be shutdown,
sshkey replaced then the vm restart, current cloud-init does not update
the user sshkey using the new one available from the dhcp server.

tested with cloud-init-0.7.7

current method to mitigate this behavior is to use cloudstack scripts
into the /var/lib/cloud/scripts/per-boot/  which does not benefit from
cloud-init configuration capabilities.


[1] 
http://cloudstack.apache.org/docs/api/apidocs-4.5/root_admin/resetSSHKeyForVirtualMachine.html

** Affects: cloud-init (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1440265

Title:
  CloudStack sshkey reset

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