/usr/lib/python2.7/dist-packages/charmtools/templates/python_services/files/templates/upstart.conf is in charm-tools 2.1.2-0ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 | description "$metadata.package"
author "$metadata.maintainer"
start on runlevel [2345]
stop on runlevel [016]
respawn
console log
script
echo Fake service; sleeping for an hour...
sleep 360
end script
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