diskimage-builder/diskimage_builder/elements/ubuntu-minimal
Mikhail S Medvedev 4d4417c9a6 Use correct Ubuntu distro url on non-x86 arches
diskimage-builder usually provides defaults that work out of the box.
One default that does not work outside of x86 land is Ubuntu distro
mirror url. Considering there are only two valid default options, we can
automatically choose a better default.

This patch changes behavior only for architectures known to be using
http://ports.ubuntu.com/ubuntu-ports. All others still would use
http://archive.ubuntu.com/ubuntu as default. It provides some guarantee
that we do not introduce a regression.

Change-Id: If95a64bac0c88f30736da4bae7f1fdce126c0bf6
2017-03-23 09:27:25 -05:00
..
environment.d Use correct Ubuntu distro url on non-x86 arches 2017-03-23 09:27:25 -05:00
pre-install.d Release 1.27.0 2017-02-03 11:49:45 +11:00
root.d Release 1.27.0 2017-02-03 11:49:45 +11:00
test-elements Release 1.21.1 2017-02-02 20:36:23 +11:00
element-deps Merge branch 'master' into merge-branch 2017-02-09 13:35:53 +11:00
element-provides Move elements & lib relative to diskimage_builder package 2016-11-01 17:27:41 -07:00
package-installs.yaml Release 1.24.0 2017-01-31 14:14:19 +11:00
README.rst Semi-automatic doc generation of element dependency 2017-02-09 09:50:30 +11:00

==============
ubuntu-minimal
==============

Note: The ubuntu element is likely what you want unless you really know
you want this one for some reason. The ubuntu element gets a lot more testing
coverage and use.

Create a minimal image based on Ubuntu. We default to xenial but DIB_RELEASE
is mapped to any series of Ubuntu.

If necessary, a custom apt keyring and debootstrap script can be
supplied to the `debootstrap` command via `DIB_APT_KEYRING` and
`DIB_DEBIAN_DEBOOTSTRAP_SCRIPT` respectively. Both options require the
use of absolute rather than relative paths.

Use of this element will also require the tool 'debootstrap' to be
available on your system. It should be available on Ubuntu, Debian,
and Fedora.

The `DIB_OFFLINE` or more specific `DIB_DEBIAN_USE_DEBOOTSTRAP_CACHE`
variables can be set to prefer the use of a pre-cached root filesystem
tarball.

The `DIB_DEBOOTSTRAP_EXTRA_ARGS` environment variable may be used to
pass extra arguments to the debootstrap command used to create the
base filesystem image. If --keyring is is used in `DIB_DEBOOTSTRAP_EXTRA_ARGS`,
it will override `DIB_APT_KEYRING` if that is used as well.

For further information about `DIB_DEBIAN_DEBOOTSTRAP_SCRIPT`,
`DIB_DEBIAN_USE_DEBOOTSTRAP_CACHE` and `DIB_DEBOOTSTRAP_EXTRA_ARGS`
please consult "README.rst" of the debootstrap element.

.. element_deps::