As described inline, deprecate the "source" install for CentOS 8.
Overwriting the packaged tools has long been a pain-point in our
images, and the best outcome is just not to play the game [1].
However, the landscape remains complicated. For example, RHEL/CentOS
8 introduces the separate "platform-python" binary, which seems like
the right tool to install platform tools like "glean" (simple-init)
with. However, platform-python doesn't have virtualenv (only the
inbuilt venv).
So that every element doesn't have to hard-code in workarounds for
these various layouts, create two new variables DIB_PYTHON_PIP and
DIB_PYTHON_VIRTUALENV to just "do the right thing". If you need is
"install a pip package" or "create a virtualenv" this should work on
all the platforms we support. If you know more specifically what you
want (e.g. must be a python3 virtualenv) then nothing stops elements
calling that directly (e.g. python3 -m virtualenv create); these are
just helper wrappers for base elements that need to be broadly
compatible.
[1] http://lists.openstack.org/pipermail/openstack-infra/2019-September/006483.html
Change-Id: Ia267a60eecfa8f4071dd477d86daebe07e9a7e38
When virtualenv and setuptools gots installed from source and rpm
then their installation path lives at different places but when
the python script got called then that time it choses either of
rpm or source based path on system wide installation and leads to
different failure as their methods are not implemeted.
So by setting _clear_old_files to 0 will install
python3-virtualenv python3-pip python3-setuptools from rpms only
and avoid these failures.
Change-Id: I0c162f1fe8168513e352546ab8dd2b68fa65b88c
Signed-off-by: Chandan Kumar (raukadah) <chkumar@redhat.com>
Make a version-less RHEL element to handle both '7' and '8' DIB_RELEASE.
The element usage should align with other elements which operate in the
same way such as the Fedora element.
Additionally, this patch adds support for RHEL8 that operates with
Python 3.
As of now, users of diskimage-builder will still be able to use the
'rhel7' element, or migrate to 'rhel' and specify their respective
DIB_RELEASE value.
* mount the xfs file-system for extraction as read-only. vaguely
based on explaination in [1] and the fact we only read the image
data into a tar, so can ignore this.
XFS (dm-1): Superblock has unknown read-only compatible features (0x4) enabled.
* Use the redhat system python as the dib-python version. dib was
ahead of it's time making an abstracted python interpreter for
system work ;) the system python should work for running the various
dib element scripts.
[1] https://unix.stackexchange.com/questions/247550/unmountable-xfs-filesystem
Redhat-Bug: https://bugzilla.redhat.com/show_bug.cgi?id=1700253
Co-Authored-By: Ian Wienand <iwienand@redhat.com>
Change-Id: I90540675c70bb475d9db2ae24f81c648a31f3f95
Related to I041a141366099093805e6052b1bbf64efd277e1e, we also need to
remove this on opensuse. The files for gate testing are added, but
the test is not added to any jobs at this point in the interests of
gate time.
Change-Id: I1af9e84d76bedcb2607717edc6d2abe2920b0584
This fixes a regression in I041a141366099093805e6052b1bbf64efd277e1e
where we starting skipping the removal of old files for image-based
builds (confusingly named centos7 rather than centos for historical
reasons). Fix the check
Change-Id: I74688a9e91d833b5d654056431729bed0585616c
As described inline, we only want to remove the system package files
on centos; it causes problems on Fedora where some system tools expect
these to be there.
But there is an additional bug -- pip actually removes the system
package files anyway. To work around this, reinstall the system
package.
Closes-Bug: #1813232
Change-Id: I041a141366099093805e6052b1bbf64efd277e1e
We need to handle openSUSE Leap 15 when installing pip and virtualenv
packages. This fixes the following problem when the pip-and-virtualenv
elements is used:
2018-05-31 09:42:12.014 | + [[ opensuse = opensuse ]]
2018-05-31 09:42:12.014 | /tmp/in_target.d/install.d/04-install-pip: line 57: packages: unbound variable
Change-Id: Id7911b0a0836fa8dcc003e23fa515b78fba67126
The pip-and-virtualenv element provides pip inside the created images.
When this pip is used inside the chroot of the image it, by default, creates
a cache directory with the http packages and the resulting wheels.
In the case of the octavia ubuntu-minimal image this cache is using ~50MB of
cache that is not needed after the image finished building.
This package creates a finalise.d task that removes the cache from the
default location.
Change-Id: I4715437b068d04993ef755bd1e27963db1d22417
When RDO projects repository is installed, the python-setuptools
package is obsoleted by python2-setuptools, this makes the install-pip
script failed:
Package python-setuptools-0.9.8-7.el7.noarch is obsoleted by
python2-setuptools-22.0.5-1.el7.noarch which is already installed
Then the "rpm -ql python-setuptools | xargs rm -rf" exit 1. Check if
we have a record of the updated package obsoleting then old one; if
so, use it.
Change-Id: I2b0051bd9e81908c187098a7b82e120b999b111d
The release of pip10 has shown up a few issues here
Firstly, pip10 now refuses to overwrite distutils installed packages,
which includes "python-virtualenv" on centos. History has shown us
that we want the packages installed and overwritten, to avoid the
packages coming back and messing things up.
Pre-install all the packages, then list the files in the packages with
"rpm" directly and remove them. This way pip is happy to install.
We need to take better account of the package names for this; on
Fedora things have switch to "python2-virtualenv" instead of
"python-virtualenv" and we can't use an alias to list the package
contents.
This also highlighted that python2-pip is in EPEL for centos, so
enable that when we install it. Make the epel element a no-op for non
centos/rhe distros.
There is a related change in recent fedora that python3 now installs
binaries into /usr/local/bin. There are commented swizzles in here to
ensure we retain the status quo of "pip" and "virtualenv" both being
python2 based, with the python3 versions being called explicitly
"pip3" and "virtualenv3" respectively.
Change-Id: I2ffdd9f615ae6b00428c17249e4f216774991b99
We added this sed in I422490ebe9a9c655552685bc2ff342d288335a9c to
avoid installing python2 packages on python3-only systems and thus
dragging in all of python2.
We made a similar change to python-pip in
I7d8ba9300039cce90965410a4e16ca9e711904c3; however we realised that
the gate (and other consumers) were relying on this element having
installed the python2 & 3 packages for consistency -- otherwise jobs
would install the python-pip packages and overwrite the
pip-from-source and mess everything up. We reverted that in
I419dbdf4682394db68974944af1e5c432f3e0565 and added some clearer notes
that this element brings in python2 & 3, and if you want something
that doesn't do that then this element isn't for you.
However, we never fixed up the virtualenv package install -- currently
our Xenial images have a global virtualenv installed from source, but
the python-virtualenv packages aren't installed. Thus if a job does
"apt-get install python-virtualenv" it overwrites the from-source
virtualenv with older parts and again messes everything up.
Probably most jobs just call "virtualenv" and assume it is there;
however in bringing up some rspec test for puppet I have hit this
issue as some modules specify dependencies on the virtualenv packages.
Thus install the python-virtualenv AND python3-virtualenv packages in
this element.
Change-Id: Ia84c38dc3c40a6080e144b563e10abca7dac2881
This reverts commit ab89c7d69c.
This commit checked for DIB_PYTHON_VERSION and only installed the v3
packages. This is unfortunately backwards-incompatible, as consumers
such as the openstack gate are relying on this package installing pip
& virtualenv packages for python2 AND python3.
This was sort-of expressed in the docs, where it discusses what the
resulting setup of the system will be, but I've added a note to make
it clearer.
If we want to change this, I think we'll need either a new element, or
a non-defaulting flag.
Change-Id: I419dbdf4682394db68974944af1e5c432f3e0565
We want to install python3-pip, not python-pip when we are building a
py3k image less we pull in python2. Once we stop installing python2 we
have to stop calling python2 during pip install.
Change-Id: I7d8ba9300039cce90965410a4e16ca9e711904c3
On ubuntu we detect that in python3 we need to install
python3-virtualenv, but append this to the packages to install rather
than replace python-virtualenv which results in both being installed
(and therefore grabbing python2).
Change-Id: I422490ebe9a9c655552685bc2ff342d288335a9c
Closes-Bug: #1724656
On a system where the packaged pip/virtualenv is up-to-date with
upstream (such as Fedora 26 ... for now), we don't reinstall, which
then violates a bunch of assumptions later on. Force install.
Change-Id: I6ebcda0351997fa7e32f0e6e77a98b2c33764e3f
The python3 package actually contains some core modules (like the xml
one) which are not present in the python3-base on which is pulled by
the python3-devel package. As such, it's best to have it installed
similar to python-xml for python2.
Change-Id: I5cd5d1127ae62d6753c2ace44965179c5400bb9a
The 'packages' variable already contains the packages we need so
use it instead of duplicating the packages.
Change-Id: Id22e1862f9654e66252d03a0fed9839cf004d750
Several people have popped up in IRC recently with failures in these
elements. Without Python 2.7 available in the image they are
unsupported (OpenStack hasn't supported it for a long time). Remove
these to avoid further confusion.
The centos/centos7 DISTRO split that has happened with centos-minimal
is unfortunate but I don't think it helps to rename centos7/rhel7 ATM.
To summarise; DISTRO=centos7 means image based build,
DISTRO=centos && DIB_RELEASE=7 means the minimal build.
In the future, I think it is important that the minimal builds and
image builds set the same DISTRO. This reflects that "upper" layers
shouldn't care about the exact building of the lower layers. I see
CentOS 8 going one of two ways
1) the changes are so significant, we start separate centos8 /
centos8-minimal elements. They both set DISTRO=centos8 (and
DIB_RELEASE to point-release maybe?). This means we have to update
all "if DISTRO == centos || DISTRO == centos7" branches to also check
for "centos8". Evenually (!) "centos" goes away for versioned DISTRO
only
2) we restore centos element with DISTRO=centos and DIB_RELEASE=8, and
centos-minimal remains the same. This means we have to audit all "if
DISTRO == centos" calls to make sure they're appropriate for version 8
(stick a "&& DIB_RELEASE=7" on them all basically).
I'm not sure we can fully decide until we start to see excatly how the
distro switching/matching bits look, but (2) is consistent with Ubuntu
and probably the preferred solution.
Some "rhel" parts have been cleaned up. More could be done in
rhel-common, but given our lack of coverage of that I'd prefer to
leave it for now.
Change-Id: I6ea784116ef59ca22878c8512c963f29c815a00a
This was previously defined as python2-devel (which is what rhel uses),
but the actual package name is python-devel. See:
https://software.opensuse.org/package/python-devel
Change-Id: Id61e5b05772d10c32b33d3e70cb64d5ebdcba6e4
fedora/centos-minimal don't obey DIB_DISTRIBUTION_MIRROR currently. I
don't really want them too -- we want to be able to separate the
mirrors used during the build process from those embedded into the
final image. Add DIB_YUM_MINIMAL_BOOTSTRAP_REPOS which is a directory
with repo files to use during the install.
This introduces setup-gate-mirrors.sh which is intended to setup
repo/sources/whatever files in the openstack gate that point to the
local region mirror. It pulls the info from the mirror_info.sh script
on each CI node.
The openstack-ci-mirrors element is updated to export these variables.
elements are updated to depend on it. Tests are restored
Change-Id: I7604fc4d41cb1483be16b8d628a24e8fc764f515
This adds "openstack-ci-mirrors" element which performs various
settings to get builds using local mirrors. As a first step, we
convert ubuntu-minimal jobs
The main trick is that since infra mirrors are created with rerepo
they are not signed (they are recreated, not cloned, and not signing
is seen as a feature in that it deters external use). So we need to
instruct debootstrap to ignore signing and also turn it off for
in-chroot apt. Other than that, the existing DIB_DISTRIBUTION_MIRROR
works to redirect installs.
Remove "restricted" as it's not mirrored, and I don't think we want it
in here by default.
(I think DIB_DISTRIBUTION_MIRROR is a bit of an anti-pattern, because
it leaves the mirrors in the final image -- just because you use them
to build, doesn't mean you want them at runtime). But we don't need
to fix that now, and we don't use any created images.)
This pauses fedora testing until the next change, which moves to using
local mirrors for testing on fedora/centos
Change-Id: I778bd05a1e615c27edf1c9f0a1409119a6b3a850
package-installs.yaml is installing python-dev, not python2-dev,
so we need to adjust the mapping accordingly.
In addition, zypper-minimal used an dpkg specific package name,
while there is a SUSE equivalent (and zypper-minimal is anyway
SUSE family specific)
Change-Id: Ia9dd061fa46a514781808d62e5e93b03f75c6745
If DIB_PYTHON_VERSION is < 3 on the !redhat path, that means we're on
an older platform that may not have python3-virtualenv packages. Skip
install.
Ensure the order of operations happens by forcing the installs
Also add a note about limited platform support (patches welcome :)
Change-Id: I18412767f0ebf946d557a0a126285369e96af159
Recent changes in project-config have shown that we leave the system
in an inconsistent state when installing from source. On fedora, we
will have installed the python2 packages, but then used $DIB_PYTHON to
install python3 pip from source!
This tries to clarify the situation. As described in the document,
with package installs, we just install the $DIB_PYTHON packaged
versions.
Source installs want to take over the global namespace. This is the
price you pay for running the latest versions outside package managers
:) The only sane thing seems to be for us to normalise python2 &
python3 versions of pip, setuptools and virtualenv and then hacking
things such that "/usr/bin/pip" and "/usr/bin/virtalenv" remain
defaulted to python2 versions.
Documentation is added
Change-Id: Ibc6572b89e256d1f48b7fe7c672b8b9524dc704f
Currently we install pip/virtualenv with "/usr/local/bin/dib-python".
This means that every time you create a virtualenv, the python
interpreter inside it is called "dib-python" which is confusing.
Add an env var DIB_PYTHON that points directly the to interpreter
available during build, for use when running scripts.
Change-Id: I88ad3c9eb958d58db4631d9b27bc2c592f970345
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
