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.travis.yml
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language: python
dist: bionic
# We use two different caching strategies. The default is to cache pip
# packages (as most of our jobs use pip packages), which is configured here.
# For the integration tests, we instead want to cache the lxd images and
# package build schroot.
#
# We cache the lxd images because this saves a few seconds in the general
# case, but provides substantial speed-ups when cloud-images.ubuntu.com, the
# source of the images, is under heavy load. The directory in which the lxd
# images are stored (/var/snap/lxd/common/lxd/images/) is not
# readable/writeable by the default user (which is a requirement for caching),
# so we instead cache the `lxd_images/` directory. We move lxd images out of
# there before we run tests and back in once tests are complete. We _move_ the
# images out and only copy the most recent lxd image back into the cache, to
# avoid our cache growing without bound. (We only need the most recent lxd
# image because the integration tests only use a single image.)
#
# We cache the package build schroot because it saves 2-3 minutes per build.
# Without caching, we have to perform a debootstrap for every build. We update
# the schroot before storing it back in the cache, to ensure that we aren't
# just using an increasingly-old schroot as time passes. The cached schroot is
# stored as a tarball, to preserve permissions/ownership.
cache: pip
install:
# Required so `git describe` will definitely find a tag; see
# https://github.com/travis-ci/travis-ci/issues/7422
- git fetch --unshallow
# Not pinning setuptools can cause failures on python 3.7 and 3.8 builds
# See https://github.com/pypa/setuptools/issues/3118
- pip install setuptools==59.6.0
- pip install tox
script:
- tox
env:
TOXENV=py3
PYTEST_ADDOPTS=-v # List all tests run by pytest
matrix:
fast_finish: true
include:
- name: "Integration Tests"
if: NOT branch =~ /^ubuntu\//
env: {}
cache:
- directories:
- lxd_images
- chroots
before_cache:
- |
# Find the most recent image file
latest_file="$(sudo ls -Art /var/snap/lxd/common/lxd/images/ | tail -n 1)"
# This might be <hash>.rootfs or <hash>, normalise
latest_file="$(basename $latest_file .rootfs)"
# Find all files with that prefix and copy them to our cache dir
sudo find /var/snap/lxd/common/lxd/images/ -name $latest_file* -print -exec cp {} "$TRAVIS_BUILD_DIR/lxd_images/" \;
install:
- git fetch --unshallow
- sudo apt-get install -y --install-recommends sbuild ubuntu-dev-tools fakeroot tox debhelper wireguard
- pip install .
- pip install tox
# bionic has lxd from deb installed, remove it first to ensure
# pylxd talks only to the lxd from snap
- sudo apt remove --purge lxd lxd-client
- sudo rm -Rf /var/lib/lxd
- sudo snap install lxd
- sudo lxd init --auto
- sudo mkdir --mode=1777 -p /var/snap/lxd/common/consoles
# Move any cached lxd images into lxd's image dir
- sudo find "$TRAVIS_BUILD_DIR/lxd_images/" -type f -print -exec mv {} /var/snap/lxd/common/lxd/images/ \;
- sudo usermod -a -G lxd $USER
- sudo sbuild-adduser $USER
- cp /usr/share/doc/sbuild/examples/example.sbuildrc /home/$USER/.sbuildrc
- echo "[lxd]" > /home/$USER/.config/pycloudlib.toml
script:
# Ubuntu LTS: Build
- ./packages/bddeb -S -d --release bionic
- |
needs_caching=false
if [ -e "$TRAVIS_BUILD_DIR/chroots/bionic-amd64.tar" ]; then
# If we have a cached chroot, move it into place
sudo mkdir -p /var/lib/schroot/chroots/bionic-amd64
sudo tar --sparse --xattrs --preserve-permissions --numeric-owner -xf "$TRAVIS_BUILD_DIR/chroots/bionic-amd64.tar" -C /var/lib/schroot/chroots/bionic-amd64
# Write its configuration
cat > sbuild-bionic-amd64 << EOM
[bionic-amd64]
description=bionic-amd64
groups=sbuild,root,admin
root-groups=sbuild,root,admin
# Uncomment these lines to allow members of these groups to access
# the -source chroots directly (useful for automated updates, etc).
#source-root-users=sbuild,root,admin
#source-root-groups=sbuild,root,admin
type=directory
profile=sbuild
union-type=overlay
directory=/var/lib/schroot/chroots/bionic-amd64
EOM
sudo mv sbuild-bionic-amd64 /etc/schroot/chroot.d/
sudo chown root /etc/schroot/chroot.d/sbuild-bionic-amd64
# And ensure it's up-to-date.
before_pkgs="$(sudo schroot -c source:bionic-amd64 -d / dpkg -l | sha256sum)"
sudo schroot -c source:bionic-amd64 -d / -- sh -c "apt-get update && apt-get -qqy upgrade"
after_pkgs=$(sudo schroot -c source:bionic-amd64 -d / dpkg -l | sha256sum)
if [ "$before_pkgs" != "$after_pkgs" ]; then
needs_caching=true
fi
else
# Otherwise, create the chroot
sudo -E su $USER -c 'mk-sbuild bionic'
needs_caching=true
fi
# If there are changes to the schroot (or it's entirely new),
# tar up the schroot (to preserve ownership/permissions) and
# move it into the cached dir; no need to compress it because
# Travis will do that anyway
if [ "$needs_caching" = "true" ]; then
sudo tar --sparse --xattrs --xattrs-include=* -cf "$TRAVIS_BUILD_DIR/chroots/bionic-amd64.tar" -C /var/lib/schroot/chroots/bionic-amd64 .
fi
# Use sudo to get a new shell where we're in the sbuild group
# Don't run integration tests when build fails
- |
sudo -E su $USER -c 'DEB_BUILD_OPTIONS=nocheck sbuild --nolog --no-run-lintian --no-run-autopkgtest --verbose --dist=bionic cloud-init_*.dsc' &&
ssh-keygen -P "" -q -f ~/.ssh/id_rsa &&
sg lxd -c 'CLOUD_INIT_CLOUD_INIT_SOURCE="$(ls *.deb)" tox -e integration-tests-ci'
- python: 3.6
env:
TOXENV=lowest-supported
PYTEST_ADDOPTS=-v # List all tests run by pytest
dist: bionic
# Test all supported Python versions (but at the end, so we schedule
# longer-running jobs first)
- python: 3.12-dev
allow_failures:
- python: 3.12-dev