snap prepare-image expects 'cloud.conf' file, which should be 'cloud.cfg'

[Ryan Harper]

1. % lsb_release -rd
Description: Ubuntu 16.04.1 LTS
Release: 16.04

2. % apt-cache policy snapd
snapd:
  Installed: 2.16
  Candidate: 2.16
  Version table:
 *** 2.16 100
        100 /var/lib/dpkg/status
     2.15.2ubuntu1 500
        500 http://us.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages
     2.0.2 500
        500 http://us.archive.ubuntu.com/ubuntu xenial/main amd64 Packages

3. snap prepare-image should look for a file called 'cloud.cfg' in the gadget directory rather than 'cloud.conf' to match the naming convention used in cloud-init documentation and packaging.

4. snap prepare-image is hard coded to look for 'cloud.conf' inside a gadget snap.

[Michael Vogt (mvo)]

This is fixed since some time.