[Bug 1187750] Re: system group creation for android container device access needs to move out of the build scripts

[Colin Watson]

The stuff with changing the audio group's gid is particularly egregious.
That will break as soon as the base-passwd package is upgraded.  You
must not ever change the gid of a global static group.

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https://bugs.launchpad.net/bugs/1187750

Title:
  system group creation for android container device access needs to
  move out of the build scripts

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

Bug description:
  currently live-build/ubuntu-touch/hooks/02-add_user_to_groups.chroot
  has a hardcoded way of creating system groups for android device
  access in ubuntu-touch. since we want to build images for arches that
  are not necessarily using the android layer in the future this
  functionality needs to move into a postinst script of the lxc-android-
  config package instead.

  in android kernel, drivers and binary userspace tools are using a hardcoded GID -> groupname mapping to manage device access
  http://paste.ubuntu.com/5735451/ has the full list of group mapping to GIDs

  it currently seems like we have to have at least a minimal set of
  these groups on the ubuntu side to have sockets and /dev entries
  mapped to the hardcoded GIDs the android side expects for granting
  access.

  when discussing this migration the foundations team had massive
  concerns about using such a hardcoded mapping on the ubuntu side.
  while this bug is easily fixed by moving the script to the right
  package, further discussion is needed to find a conceptual solution
  that suits all parties and does not break devcie access and socket
  communication with android services.

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