Comment 3 for bug 1606487

This is still an issue when attempting to do a juju bootstrap/deploy within a restricted environment. Setting `apt-mirror` does not rewrite the urls for `http://security.ubuntu.com/ubuntu` thus making it impossible for a bootstrap to succeed without mucking around with cloud-init data.

The referenced bug https://bugs.launchpad.net/juju/+bug/1599886/comments/12 mentioned some sort of model config to allow us to override this particular setting in the apt sources file, is that something we can consider?

Thanks,
Adam