Currently we have all our elements and library files in a top-level
directory and install them into
<root>/share/diskimage-builder/[elements|lib] (where root is either /
or the root of a virtualenv).
The problem with this is that editable/development installs (pip -e)
do *not* install data_files. Thus we have no canonical location to
look for elements -- leading to the various odd things we do such as a
whole bunch of guessing at the top of disk-image-create and having a
special test-loader in tests/test_elements.py so we can run python
unit tests on those elements that have it.
data_files is really the wrong thing to use for what are essentially
assets of the program. data_files install works well for things like
config-files, init.d files or dropping documentation files.
By moving the elements under the diskimage_builder package, we always
know where they are relative to where we import from. In fact,
pkg_resources has an api for this which we wrap in the new
diskimage_builder/paths.py helper [1].
We use this helper to find the correct path in the couple of places we
need to find the base-elements dir, and for the paths to import the
library shell functions.
Elements such as svc-map and pkg-map include python unit-tests, which
we do not need tests/test_elements.py to special-case load any more.
They just get found automatically by the normal subunit loader.
I have a follow-on change (I69ca3d26fede0506a6353c077c69f735c8d84d28)
to move disk-image-create to a regular python entry-point.
Unfortunately, this has to move to work with setuptools. You'd think
a symlink under diskimage_builder/[elements|lib] would work, but it
doesn't.
[1] this API handles stuff like getting files out of .zip archive
modules, which we don't do. Essentially for us it's returning
__file__.
Change-Id: I5e3e3c97f385b1a4ff2031a161a55b231895df5b
Grub is first removed and then installed during RHEL image building. The
grub2 package typically requires the same version of grub2-tools, so if
we just remove and install the grub2 package, the installation can
potentially fail on being out of sync with grub2-tools version. Removing
and reinstalling both packages fixes this issue. Those packages are
already in package map for RHEL as "grub-pc", so we can use this alias.
Change-Id: Iefd9c17fffd43de3fea260510ad218b1322eecb3
Closes-Bug: #1627000
In Id1e430e7d050a0b99ac449e2ea435e06cda1c4e6 I made the mistake of not
actually removing grub in 15-remove-grub.
This restores the removal phase and adds a bunch of comments. It
seems the centos7 and centos (6) images have grub2 installed, but F22
does not; hence the check.
For anyone interested in the history; it seems the whole idea of
removing grub and re-installing it in the finalise stage is to do with
Ubuntu grub scripts failing in the chroot. It is not clear this does,
or has ever, affected rpm based systems; but that's how it is, so
leave well enough alone.
The whole reasoning behind the rpm download & re-install is actually
explained in If095adc4abb52a19a3aa0b1caebfb3e4d8f605ef, but over time
the comments got lost as code moved around. I've restored in here
some detailed explaination of why we don't just re-install the package
"normally". I've also added a note to the pre-install of various
things that are related to this step. Again I think there are some
questions around this that we can investigate in another change.
Change-Id: I1acd19da8567ab93b5003caf67673cc70efea5fa
Using "yum --downloadonly" breaks the abstraction of
"install-packages" because it downloads to the yum cache. It also
acts funny if the package is already there.
Add an argument to "-d" which is the directory to download to. dnf
has "download" built in, and for the old case use yumdownloader which
acts about the same. Ensure it is installed, since it comes in
yum-utils.
Also a slight cleanup of the getopt parsing so it's easier to have the
required argument for -d
Thus we can remove most of the stuff in 15-remove-grub. The check for
centos6 and it's lack of grub2 is clarified. All the stuff about
having to remove the package, purging the cache etc so yum gets the
right thing is no longer relevant. The long section of commented out
code at the end is also removed for clarity.
I tested this with an F21, F22 & centos (6) build
Change-Id: Id1e430e7d050a0b99ac449e2ea435e06cda1c4e6
This is the centos element, which builds CentOS 6.
There are a couple of modifications to redhat-common because
the version of tar in el6 doesn't support --xattrs-include.
There is a change to both pkg-map and svc-map to add 'centos'
to the 'redhat' family.
Also explicitly have to install cloud-utils growroot and
dracut growpart for proper fsresize at instance launch.
Also sets the DIB_EXTLINUX variable because there is no grub2
for this distro.
Change-Id: Iffd57bce1484c43c2cffcbdb37b602185216e63a
There is a wide variety of tracing options through the various shell
scripts. Some use "set -eux", others explicity set xtrace and others
do nothing. There is a "-x" option to bin/disk-image-create but it
doesn't flow down to the many scripts it calls.
This adds a global integer variable set by disk-image-create
DIB_DEBUG_TRACE. All scripts have a stanza added to detect this and
turn on tracing. Any other tracing methods are rolled into this. So
the standard header is
---
if [ "${DIB_DEBUG_TRACE:-0}" -gt 0 ]; then
set -x
fi
set -eu
set -o pipefail
---
Multiple -x options can be specified to dib-create-image, which
increases the value of DIB_DEBUG_TRACE. If script authors feel their
script should only trace at higher levels, they should modify the
"-gt" value. If they feel it should trace by default, they can modify
the default value also.
Changes to pachset 16 : scripts which currently trace themselves by
default have retained this behaviour with DIB_DEBUG_TRACE defaulting
to "1". This was done by running [1] on patch set 15. See the thread
beginning at [2]
dib-lint is also updated to look for the variable being matched.
[1] https://gist.github.com/ianw/71bbda9e6acc74ccd0fd
[2] http://lists.openstack.org/pipermail/openstack-dev/2014-November/051575.html
Change-Id: I6c5a962260741dcf6f89da9a33b96372a719b7b0
I would like to recommend to use + instead of \; in the find
command. As this will ensure the removal of all selected
directories in a single invocation.
Hence improve the speed of deletion.
Change-Id: I409fe11aae217afb6f790491591005c679264ed4
Updates additional elements in diskimage-builder to use the declarative
package install support provided by the package-installs element.
package-installs does not yet support the pkg-map functionality, so
elements using pkg-map are not migrated. That support will come in the
near future.
Change-Id: I3d36adad317ba44326eabd95243d45807e2a8a16
As with the previous similar changes, this is intended to catch
problems as they happen instead of ignoring them and continuing on
to potentially fail later. Setting this on all existing scripts
will allow us to enforce use via Jenkins.
Change-Id: Iad2d490c86dceab148ea9ab08f457c49a5d5352e
Add an element intended for use in both Fedora and RHEL. This
allows them to share install steps that are common to both.
Change-Id: Ie4e820a7b777b8701514351b1f802cfe57c3812e
