As motivation for this; we have had two breakouts of dib in recent
memory. One was a failure to unmount through symlinks in the core
code (I335316019ef948758392b03e91f9869102a472b9) and the other was
removing host keys on the build-system
(Ib01d71ff9415a0ae04d963f6e380aab9ac2260ce).
For the most part, dib runs unprivileged. Bits of the core code are
hopefully well tested (modulo bugs like the first one!). We give free
reign inside the chroot (although there is still some potential there
for adverse external affects via bind mounts). Where we could be a
bit safer (and could have prevented at least the second of these
breakouts) is with some better checking that the "sudo" calls
*outside* the chroot at least looked sane.
This adds a basic check that we're using chroot or image paths when
calling sudo in those parts of elements that run *outside* the chroot.
Various files are updated to accomodate this check; mostly by just
ignoring it for existing code (I have not audited these calls).
Nobody is pretending this type of checking makes dib magically safe,
or removes the issues with it needing to do things as root during the
build. But this can help find egregious errors like the key removal.
Change-Id: I161a5aea1d29dcdc7236f70d372c53246ec73749
Pip now supports retries on failure. If setting multiple pypi mirrors a
fallback will not occure until the failures have finished for the first
mirror. This can cause a substantial delay if mirror fallback occurs a
lot.
Change-Id: Iad37a9015a2d5c861a345a111bd1725b965a42d3
We have a good pattern of namespacing env vars with DIB_. Add support
for DIB_PYPI_MIRROR_URL* and maintain backwards compat support.
Change-Id: I434c9d1b14cd571b20754c9ad7cd64c936f8399a
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
Using only a local filesystem mirror could lead opaque errors.
Print a warning message in this situations.
Change-Id: I5f77151ea928868f4c441e8a1bb2eb0966b21832
Closes-Bug: #1297948
We check python files with dib-lint rather than flake8 which have
conflicting opinions. This means weve been (forcibly) writing non pep8
python.
Also fixing pep8 issues so tests pass.
Change-Id: Idc9db40334f6e15738a7802c06697270df68741c
disk-image-create processes a DIB_IMAGE_CACHE variable and exports it,
but there are several elements that ignore the value and wrote out
the base location themselves. Use the variable everywhere so that it
will get overridden everywhere.
Change-Id: I00fff354d6c931ad67cf3052d055f0e4604dfdc8
The pypi-mirror tool is no longer supported by the infra team, or
reccomended for installs, and is known to have various bugs that will
not be fixed.
Remove mentions of it from the docs and point people at devpi-server
instead.
Change-Id: Ieedb8bf9bee2f5932edac6b9747e645d0f4eb08c
It may be desirable to specify file://tmp/pypi as one of the list
of mirrors specified by PYPI_MIRROR_URL, so the local pypi mirror
should be mounted as long as the directory exists.
Even though the path is mounted, it is only used by pip if there is
no specified PYPI_MIRROR_URL, or if one PYPI_MIRROR_URL entry
specifies file://tmp/pypi.
The pypi element previously assumed that a local mirror would be
a complete offline mirror. This change allows for a mixture of
local mirror plus remote mirrors. This means that the local
mirror could (for example) contain a few locally built pip packages
from arbitrary git checkouts for gate testing of those projects.
In this scenario, most packages would be downloaded from the
configured remote mirrors.
This change is required for synchronous gating on the os-*-config
tools.
Change-Id: I0f6d153c06993ffd0d90bd8ca1717462e8b6b541
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
pypi-mirror creates a separate mirror index for wheels (one per OS
that mirrors are built on). To be able to use it one then needs to be
able to export multiple mirrors for inclusion in pip.conf. As a drive
by I made it possible to disable the use of the pypi.python.org index
without using --offline (as --offline has larger impact).
Change-Id: I3e85a8069b18cafd7eae4cd0591821acc3b5a739
The pypi element is cool, but some folk have local network mirrors
which we should permit them to use.
Change-Id: Ie840ad1184e72b0e01966eee0298cfd6511b6c19
Just adding an element shouldn't make a disk image build crash, even if
we're not using the element for its intended purpose.
Change-Id: I2ec91ce4975b3b0deee7c85bb223f854c694553f
OpenStack runs git.openstack.org which is more reliable and responsive
when projects operate within OpenStack Infra. Replace all of the
references to github with referneces to git.openstack.org.
Change-Id: Ib3ece85aba6451801487b0bdbd83147e39d9e155
- pip install to a github URL without a git+ prefix fails.
- Need to close EOF heredoc when creating mirror.yaml
Change-Id: Ic555174881e9c06fede1cf731141cbe6eb0e0b02
Using a custom pypi mirror can be very convenient, making image builds
substantially faster - because we create multiple virtual
environments we benefit more than single-virtualenv users would.
Change-Id: I997daf1f9477c447e1fb30818aea9e80a49b31a6
