[Bug 904482] [NEW] Generate /etc/casper.conf when building a livefs instead of having casper guess the product name at boot time

[Stéphane Graber]

Public bug reported:

Today's casper (1.295) now uses the product name as the username and
hostname, instead of the hardcoded "ubuntu" we used to have everywhere.

It's doing that by parsing .disk/info at boot time and changing its environment to what it finds in there.
This works fine except that it's then non-trivial for something running in the live environment to know what hostname and username ended up using (well, hostname is pretty easy :)).

Instead, it'd be better to have /etc/casper.conf in the livefs contain
the right HOST and USERNAME, these will then be used by casper
(deprecating the code I added today) and by software running in the live
environment like ubiquity (through its ubiquity.casper module).

** Affects: livecd-rootfs (Ubuntu)
     Importance: Undecided
         Status: New

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Title:
  Generate /etc/casper.conf when building a livefs instead of having
  casper guess the product name at boot time

Status in “livecd-rootfs” package in Ubuntu:
  New

Bug description:
  Today's casper (1.295) now uses the product name as the username and
  hostname, instead of the hardcoded "ubuntu" we used to have
  everywhere.

  It's doing that by parsing .disk/info at boot time and changing its environment to what it finds in there.
  This works fine except that it's then non-trivial for something running in the live environment to know what hostname and username ended up using (well, hostname is pretty easy :)).

  Instead, it'd be better to have /etc/casper.conf in the livefs contain
  the right HOST and USERNAME, these will then be used by casper
  (deprecating the code I added today) and by software running in the
  live environment like ubiquity (through its ubiquity.casper module).

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