sandbox/cgroup: improve cgroup-based process termination algorithm #30907

Workflow file for this run

	name: Tests
	on:
	pull_request:
	branches: [ "master", "release/", "core-snap-security-release/", "security-release/**" ]
	push:
	branches: [ "master", "release/", "core-snap-security-release/", "security-release/**" ]

	concurrency:
	group: ${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	jobs:
	snap-builds:
	runs-on: ubuntu-22.04
	strategy:
	matrix:
	toolchain:
	- default
	- FIPS
	version:
	# test version is a build of snapd with test keys and should
	# only be installed by test runners. The pristine versions
	# are the build that should be installed by human users.
	- pristine
	- test
	steps:
	- name: Checkout code
	uses: actions/checkout@v3
	with:
	fetch-depth: 0

	- name: Select Go toolchain
	run: \|
	case "${{ matrix.toolchain }}" in
	default)
	rm -f fips-build
	;;
	FIPS)
	touch fips-build
	;;
	*)
	echo "unknown toolchain ${{ matrix.toolchain }}"
	exit 1
	;;
	esac
	case "${{ matrix.version }}" in
	pristine)
	rm -f test-build
	;;
	test)
	touch test-build
	;;
	esac

	- name: Build snapd snap
	uses: snapcore/action-build@v1
	with:
	snapcraft-channel: 8.x/stable

	- name: Build test snapd snap
	uses: snapcore/action-build@v1
	with:
	snapcraft-channel: 8.x/stable

	- name: Check built artifact
	run: \|
	unsquashfs snapd*.snap meta/snap.yaml usr/lib/snapd/
	if cat squashfs-root/meta/snap.yaml \| grep -q "version:.dirty."; then
	echo "PR produces dirty snapd snap version"
	cat squashfs-root/usr/lib/snapd/dirty-git-tree-info.txt
	exit 1
	elif cat squashfs-root/usr/lib/snapd/info \| grep -q "VERSION=.dirty."; then
	echo "PR produces dirty internal snapd info version"
	cat squashfs-root/usr/lib/snapd/info
	cat squashfs-root/usr/lib/snapd/dirty-git-tree-info.txt
	exit 1
	fi

	- name: Uploading snapd snap artifact
	uses: actions/upload-artifact@v3
	with:
	name: snap-files-${{ matrix.toolchain }}-${{ matrix.version }}
	path: "*.snap"

	cache-build-deps:
	runs-on: ubuntu-20.04
	steps:
	- name: Checkout code
	uses: actions/checkout@v3
	with:
	# needed for git commit history
	fetch-depth: 0
	# NOTE: checkout the code in a fixed location, even for forks, as this
	# is relevant for go's import system.
	path: ./src/github.com/snapcore/snapd

	# Fetch base ref, needed for golangci-lint
	- name: Fetching base ref ${{ github.base_ref }}
	run: \|
	cd ${{ github.workspace }}/src/github.com/snapcore/snapd
	git fetch origin ${{ github.base_ref }}:${{ github.base_ref }}
	# golang latest ensures things work on the edge

	- name: Download Debian dependencies
	run: \|
	sudo apt clean
	sudo apt update
	sudo apt build-dep -d -y ${{ github.workspace }}/src/github.com/snapcore/snapd
	# for indent
	sudo apt install texinfo autopoint

	- name: Copy dependencies
	run: \|
	sudo tar cvf cached-apt.tar /var/cache/apt

	- name: upload Debian dependencies
	uses: actions/upload-artifact@v3
	with:
	name: debian-dependencies
	path: ./cached-apt.tar

	static-checks:
	runs-on: ubuntu-latest
	needs: [cache-build-deps]
	env:
	GOPATH: ${{ github.workspace }}
	# Set PATH to ignore the load of magic binaries from /usr/local/bin And
	# to use the go snap automatically. Note that we install go from the
	# snap in a step below. Without this we get the GitHub-controlled latest
	# version of go.
	PATH: /snap/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:${{ github.workspace }}/bin
	GOROOT: ""
	GITHUB_PULL_REQUEST_TITLE: ${{ github.event.pull_request.title }}
	BASE_REF: ${{ github.base_ref }}

	strategy:
	# we cache successful runs so it's fine to keep going
	fail-fast: false
	matrix:
	gochannel:
	- 1.18
	- latest/stable

	steps:
	- name: Checkout code
	uses: actions/checkout@v3
	with:
	# needed for git commit history
	fetch-depth: 0
	# NOTE: checkout the code in a fixed location, even for forks, as this
	# is relevant for go's import system.
	path: ./src/github.com/snapcore/snapd

	# Fetch base ref, needed for golangci-lint
	- name: Fetching base ref ${{ github.base_ref }}
	run: \|
	cd ${{ github.workspace }}/src/github.com/snapcore/snapd
	git fetch origin ${{ github.base_ref }}:${{ github.base_ref }}

	- name: Download Debian dependencies
	uses: actions/download-artifact@v3
	with:
	name: debian-dependencies
	path: ./debian-deps/

	- name: Copy dependencies
	run: \|
	test -f ./debian-deps/cached-apt.tar
	sudo tar xvf ./debian-deps/cached-apt.tar -C /

	- name: Install Debian dependencies
	run: \|
	sudo apt update
	sudo apt build-dep -y ${{ github.workspace }}/src/github.com/snapcore/snapd

	# golang latest ensures things work on the edge
	- name: Install the go snap
	run: \|
	sudo snap install --classic --channel=${{ matrix.gochannel }} go

	- name: Install ShellCheck as a snap
	run: \|
	sudo apt-get remove --purge shellcheck
	sudo snap install shellcheck

	- name: Get C vendoring
	run: \|
	cd ${{ github.workspace }}/src/github.com/snapcore/snapd/c-vendor && ./vendor.sh

	- name: Install golangci-lint snap
	run: \|
	sudo snap install --classic golangci-lint

	- name: Get changed files
	id: changed-files
	uses: tj-actions/[email protected]
	with:
	path: ./src/github.com/snapcore/snapd

	- name: Save changes files
	run: \|
	CHANGED_FILES="${{ steps.changed-files.outputs.all_changed_files }}"
	echo "CHANGED_FILES=$CHANGED_FILES" >> $GITHUB_ENV
	echo "The changed files found are: $CHANGED_FILES"

	- name: Run static checks
	run: \|
	cd ${{ github.workspace }}/src/github.com/snapcore/snapd \|\| exit 1
	# run gofmt checks only with Go 1.18
	if [ "${{ matrix.gochannel }}" != "1.18" ]; then
	export SKIP_GOFMT=1
	echo "Formatting checks will be skipped due to the use of Go version ${{ matrix.gochannel }}"
	fi
	sudo apt-get install -y python3-yamlordereddictloader
	./run-checks --static

	- name: Cache prebuilt indent
	id: cache-indent-bin
	uses: actions/cache@v3
	with:
	path: indent-bin
	key: ${{ runner.os }}-indent-2.2.13

	# build indent 2.2.13 which has this patch
	# https://git.savannah.gnu.org/cgit/indent.git/commit/?id=22b83d68e9a8b429590f42920e9f473a236123cf
	- name: Build indent 2.2.13
	if: steps.cache-indent-bin.outputs.cache-hit != 'true'
	run: \|
	sudo apt install texinfo autopoint
	curl -O https://ftp.gnu.org/gnu/indent/indent-2.2.13.tar.xz
	tar xvf indent-2.2.13.tar.xz
	cd indent-2.2.13
	autoreconf -if
	# set prefix in case we want to pack to tar/extract into system
	./configure --prefix=/opt/indent
	make -j
	make install DESTDIR=${{ github.workspace }}/indent-bin
	find ${{ github.workspace }}/indent-bin -ls

	- name: Check C source code formatting
	run: \|
	set -x
	cd ${{ github.workspace }}/src/github.com/snapcore/snapd/cmd/
	./autogen.sh
	# apply formatting
	PATH=${{ github.workspace }}/indent-bin/opt/indent/bin:$PATH make fmt
	set +x
	if [ -n "$(git diff --stat)" ]; then
	git diff
	echo "C files are not fomratted correctly, run 'make fmt'"
	echo "make sure to have clang-format and indent 2.2.13+ installed"
	exit 1
	fi

	branch-static-checks:
	runs-on: ubuntu-latest
	needs: [cache-build-deps]
	if: github.ref != 'refs/heads/master'
	steps:

	- name: Checkout code
	uses: actions/checkout@v3
	with:
	# needed for git commit history
	fetch-depth: 0

	- name: check-branch-ubuntu-daily-spread
	run: \|
	# Compare the daily system in master and in the current branch
	wget -q -O test_master.yaml https://raw.githubusercontent.com/snapcore/snapd/master/.github/workflows/test.yaml
	system_daily="$(yq '.jobs.spread.strategy.matrix.include.[] \| select(.group == "ubuntu-daily") \| .systems' test_master.yaml)"
	current_daily="$(yq '.jobs.spread.strategy.matrix.include.[] \| select(.group == "ubuntu-daily") \| .systems' .github/workflows/test.yaml)"
	test "$system_daily" == "$current_daily"
	shell: bash

	unit-tests:
	needs: [static-checks]
	runs-on: ubuntu-22.04
	env:
	GOPATH: ${{ github.workspace }}
	# Set PATH to ignore the load of magic binaries from /usr/local/bin And
	# to use the go snap automatically. Note that we install go from the
	# snap in a step below. Without this we get the GitHub-controlled latest
	# version of go.
	PATH: /snap/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:${{ github.workspace }}/bin
	GOROOT: ""
	strategy:
	# we cache successful runs so it's fine to keep going
	fail-fast: false
	matrix:
	gochannel:
	- 1.18
	- latest/stable
	unit-scenario:
	- normal

	steps:
	- name: Checkout code
	uses: actions/checkout@v3
	with:
	# needed for git commit history
	fetch-depth: 0
	# NOTE: checkout the code in a fixed location, even for forks, as this
	# is relevant for go's import system.
	path: ./src/github.com/snapcore/snapd

	# Fetch base ref, needed for golangci-lint
	- name: Fetching base ref ${{ github.base_ref }}
	run: \|
	cd ${{ github.workspace }}/src/github.com/snapcore/snapd
	git fetch origin ${{ github.base_ref }}:${{ github.base_ref }}

	- name: Download Debian dependencies
	uses: actions/download-artifact@v3
	with:
	name: debian-dependencies
	path: ./debian-deps/

	- name: Copy dependencies
	run: \|
	test -f ./debian-deps/cached-apt.tar
	sudo tar xvf ./debian-deps/cached-apt.tar -C /

	- name: Install Debian dependencies
	run: \|
	sudo apt update
	sudo apt build-dep -y ${{ github.workspace }}/src/github.com/snapcore/snapd

	# golang latest ensures things work on the edge
	- name: Install the go snap
	run: \|
	sudo snap install --classic --channel=${{ matrix.gochannel }} go

	- name: Get deps
	run: \|
	cd ${{ github.workspace }}/src/github.com/snapcore/snapd/ && ./get-deps.sh

	- name: Build C
	run: \|
	cd ${{ github.workspace }}/src/github.com/snapcore/snapd/cmd/
	./autogen.sh
	make -j$(nproc)

	- name: Build Go
	run: \|
	go build github.com/snapcore/snapd/...

	- name: Test C
	run: \|
	cd ${{ github.workspace }}/src/github.com/snapcore/snapd/cmd/ && make check

	- name: Reset code coverage data
	run: \|
	rm -rf ${{ github.workspace }}/.coverage/

	- name: Test Go
	if: ${{ matrix.unit-scenario == 'normal' }}
	run: \|
	cd ${{ github.workspace }}/src/github.com/snapcore/snapd \|\| exit 1
	./run-checks --unit

	- name: Upload the coverage results
	if: ${{ matrix.gochannel != 'latest/stable' }}
	uses: actions/upload-artifact@v3
	with:
	include-hidden-files: true
	name: coverage-files
	path: "${{ github.workspace }}/src/github.com/snapcore/snapd/.coverage/coverage*.cov"

	# TODO run unit tests of C code
	unit-tests-special:
	needs: [static-checks]
	runs-on: ubuntu-22.04
	env:
	GOPATH: ${{ github.workspace }}
	# Set PATH to ignore the load of magic binaries from /usr/local/bin And
	# to use the go snap automatically. Note that we install go from the
	# snap in a step below. Without this we get the GitHub-controlled latest
	# version of go.
	PATH: /snap/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:${{ github.workspace }}/bin
	GOROOT: ""
	strategy:
	# we cache successful runs so it's fine to keep going
	fail-fast: false
	matrix:
	gochannel:
	- 1.18
	- latest/stable
	unit-scenario:
	- snapd_debug
	- withbootassetstesting
	- nosecboot
	- faultinject
	- race

	steps:
	- name: Checkout code
	uses: actions/checkout@v3
	with:
	# needed for git commit history
	fetch-depth: 0
	# NOTE: checkout the code in a fixed location, even for forks, as this
	# is relevant for go's import system.
	path: ./src/github.com/snapcore/snapd

	# Fetch base ref, needed for golangci-lint
	- name: Fetching base ref ${{ github.base_ref }}
	run: \|
	cd ${{ github.workspace }}/src/github.com/snapcore/snapd
	git fetch origin ${{ github.base_ref }}:${{ github.base_ref }}

	- name: Download Debian dependencies
	uses: actions/download-artifact@v3
	with:
	name: debian-dependencies
	path: ./debian-deps/

	- name: Copy dependencies
	run: \|
	test -f ./debian-deps/cached-apt.tar
	sudo tar xvf ./debian-deps/cached-apt.tar -C /

	- name: Install Debian dependencies
	run: \|
	sudo apt update
	sudo apt build-dep -y ${{ github.workspace }}/src/github.com/snapcore/snapd

	# golang latest ensures things work on the edge
	- name: Install the go snap
	run: \|
	sudo snap install --classic --channel=${{ matrix.gochannel }} go

	- name: Get deps
	run: \|
	cd ${{ github.workspace }}/src/github.com/snapcore/snapd/ && ./get-deps.sh

	- name: Build C
	run: \|
	cd ${{ github.workspace }}/src/github.com/snapcore/snapd/cmd/
	./autogen.sh
	make -j$(nproc)

	- name: Build Go
	run: \|
	go build github.com/snapcore/snapd/...

	- name: Test C
	run: \|
	cd ${{ github.workspace }}/src/github.com/snapcore/snapd/cmd/ && make check

	- name: Reset code coverage data
	run: \|
	rm -rf ${{ github.workspace }}/.coverage/

	- name: Test Go (SNAPD_DEBUG=1)
	if: ${{ matrix.unit-scenario == 'snapd_debug' }}
	run: \|
	cd ${{ github.workspace }}/src/github.com/snapcore/snapd \|\| exit 1
	SKIP_DIRTY_CHECK=1 SNAPD_DEBUG=1 ./run-checks --unit

	- name: Test Go (withbootassetstesting)
	if: ${{ matrix.unit-scenario == 'withbootassetstesting' }}
	run: \|
	cd ${{ github.workspace }}/src/github.com/snapcore/snapd \|\| exit 1
	SKIP_DIRTY_CHECK=1 GO_BUILD_TAGS=withbootassetstesting ./run-checks --unit

	- name: Test Go (nosecboot)
	if: ${{ matrix.unit-scenario == 'nosecboot' }}
	run: \|
	cd ${{ github.workspace }}/src/github.com/snapcore/snapd \|\| exit 1
	echo "Dropping github.com/snapcore/secboot"
	# use govendor remove so that a subsequent govendor sync does not
	# install secboot again
	# ${{ github.workspace }}/bin/govendor remove github.com/snapcore/secboot
	# ${{ github.workspace }}/bin/govendor remove +unused
	SKIP_DIRTY_CHECK=1 GO_BUILD_TAGS=nosecboot ./run-checks --unit

	- name: Test Go (faultinject)
	if: ${{ matrix.unit-scenario == 'faultinject' }}
	run: \|
	cd ${{ github.workspace }}/src/github.com/snapcore/snapd \|\| exit 1
	SKIP_DIRTY_CHECK=1 GO_BUILD_TAGS=faultinject ./run-checks --unit

	- name: Test Go (-race)
	if: ${{ matrix.unit-scenario == 'race' }}
	run: \|
	cd ${{ github.workspace }}/src/github.com/snapcore/snapd \|\| exit 1
	SKIP_DIRTY_CHECK=1 GO_TEST_RACE=1 SKIP_COVERAGE=1 ./run-checks --unit

	- name: Upload the coverage results
	if: ${{ matrix.gochannel != 'latest/stable' }}
	uses: actions/upload-artifact@v3
	with:
	include-hidden-files: true
	name: coverage-files
	path: "${{ github.workspace }}/src/github.com/snapcore/snapd/.coverage/coverage*.cov"


	unit-tests-cross-distro:
	needs: [static-checks]
	env:
	# Set PATH to ignore the load of magic binaries from /usr/local/bin And
	# to use the go snap automatically. Note that we install go from the
	# snap in a step below. Without this we get the GitHub-controlled latest
	# version of go.
	PATH: /usr/sbin:/usr/bin:/sbin:/bin

	strategy:
	fail-fast: false
	matrix:
	distro:
	# TODO add arch?
	- fedora:39
	- opensuse/tumbleweed

	runs-on: ubuntu-latest
	container: ${{ matrix.distro }}

	steps:
	- name: Checkout code
	uses: actions/checkout@v4
	with:
	# needed for git commit history
	fetch-depth: 0

	- name: Install dependencies
	run: \|
	# approximation to handle both typical foo:bar (tagged) and foo/bar
	# (with implicit :latest)
	distroname="$(echo "${{ matrix.distro }}" \| tr : - \| tr / -)"
	case "${{ matrix.distro }}" in
	fedora:*)
	dnf install -y rpmdevtools
	dnf install -y $(rpmspec -q --buildrequires "./packaging/$distroname/snapd.spec")
	# TODO these are needed only by cmd/snap-seccomp unit tests, and
	# should be added to BuildRequires
	dnf install -y glibc-devel.i686 glibc-static.i686
	;;
	opensuse/*)
	zypper --non-interactive install -y rpmdevtools rpm-build git
	zypper --non-interactive install -y $(rpmspec -q --buildrequires "./packaging/$distroname/snapd.spec")
	;;
	*)
	echo "Unsupported distribution variant ${{ matrix.distro }}"
	exit 1
	;;
	esac
	- name: Set up test user
	run: \|
	useradd -U -m test-user
	chown -R test-user:test-user $PWD

	- name: Unit tests (Go)
	run: \|
	su test-user sh -c "SKIP_DIRTY_CHECK=1 ./run-checks --unit"

	- name: Unit tests (C)
	run: \|
	su test-user sh -c "./mkversion.sh 1337-git && cd ./cmd && ./autogen.sh && make -j && make check"


	code-coverage:
	needs: [unit-tests, unit-tests-special]
	runs-on: ubuntu-20.04
	env:
	GOPATH: ${{ github.workspace }}
	# Set PATH to ignore the load of magic binaries from /usr/local/bin And
	# to use the go snap automatically. Note that we install go from the
	# snap in a step below. Without this we get the GitHub-controlled latest
	# version of go.
	PATH: /snap/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:${{ github.workspace }}/bin
	GOROOT: ""
	steps:
	- name: Download the coverage files
	uses: actions/download-artifact@v3
	with:
	name: coverage-files
	path: .coverage/

	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v3
	# uploading to codecov occasionally fails, so continue running the test
	# workflow regardless of the upload
	continue-on-error: true
	with:
	fail_ci_if_error: true
	flags: unittests
	name: codecov-umbrella
	files: .coverage/coverage-*.cov
	verbose: true

	spread:
	needs: [unit-tests, snap-builds]
	name: ${{ matrix.group }}
	runs-on: [self-hosted, spread-enabled]
	strategy:
	# FIXME: enable fail-fast mode once spread can cancel an executing job.
	# Disable fail-fast mode as it doesn't function with spread. It seems
	# that cancelling tasks requires short, interruptible actions and
	# interrupting spread, notably, does not work today. As such disable
	# fail-fast while we tackle that problem upstream.
	fail-fast: false
	matrix:
	include:
	- group: amazon-linux
	backend: google-distro-1
	systems: 'amazon-linux-2-64 amazon-linux-2023-64'
	tests: 'tests/...'
	rules: 'main'
	- group: arch-linux
	backend: google-distro-2
	systems: 'arch-linux-64'
	tests: 'tests/...'
	rules: 'main'
	- group: centos
	backend: google-distro-2
	systems: 'centos-9-64'
	tests: 'tests/...'
	rules: 'main'
	- group: debian-req
	backend: google-distro-1
	systems: 'debian-11-64'
	tests: 'tests/...'
	rules: 'main'
	- group: debian-not-req
	backend: google-distro-1
	systems: 'debian-12-64 debian-sid-64'
	tests: 'tests/...'
	rules: 'main'
	- group: fedora
	backend: google-distro-1
	systems: 'fedora-38-64 fedora-39-64'
	tests: 'tests/...'
	rules: 'main'
	- group: fedora-os
	backend: openstack
	systems: 'fedora-40-64'
	tests: 'tests/...'
	rules: 'main'
	- group: opensuse
	backend: google-distro-2
	systems: 'opensuse-15.5-64 opensuse-15.6-64 opensuse-tumbleweed-64'
	tests: 'tests/...'
	rules: 'main'
	- group: ubuntu-trusty
	backend: google
	systems: 'ubuntu-14.04-64'
	tests: 'tests/smoke/ tests/main/canonical-livepatch tests/main/canonical-livepatch-14.04'
	rules: 'trusty'
	- group: ubuntu-xenial-bionic
	backend: google
	systems: 'ubuntu-16.04-64 ubuntu-18.04-64'
	tests: 'tests/...'
	rules: 'main'
	- group: ubuntu-focal-jammy
	backend: google
	systems: 'ubuntu-20.04-64 ubuntu-22.04-64'
	tests: 'tests/...'
	rules: 'main'
	- group: ubuntu-noble
	backend: google
	systems: 'ubuntu-24.04-64'
	tests: 'tests/...'
	rules: 'main'
	- group: ubuntu-no-lts
	backend: google
	systems: ''
	tests: 'tests/...'
	rules: 'main'
	- group: ubuntu-daily
	backend: google
	systems: 'ubuntu-24.10-64'
	tests: 'tests/...'
	rules: 'main'
	- group: ubuntu-core-16
	backend: google-core
	systems: 'ubuntu-core-16-64'
	tests: 'tests/...'
	rules: 'main'
	- group: ubuntu-core-18
	backend: google-core
	systems: 'ubuntu-core-18-64'
	tests: 'tests/...'
	rules: 'main'
	- group: ubuntu-core-20
	backend: google-core
	systems: 'ubuntu-core-20-64'
	tests: 'tests/...'
	rules: 'main'
	- group: ubuntu-core-22
	backend: google-core
	systems: 'ubuntu-core-22-64'
	tests: 'tests/...'
	rules: 'main'
	- group: ubuntu-core-24
	backend: google-core
	systems: 'ubuntu-core-24-64'
	tests: 'tests/...'
	rules: 'main'
	- group: ubuntu-arm
	backend: google-arm
	systems: 'ubuntu-20.04-arm-64 ubuntu-core-22-arm-64'
	tests: 'tests/...'
	rules: 'main'
	- group: ubuntu-secboot
	backend: google
	systems: 'ubuntu-secboot-20.04-64'
	tests: 'tests/...'
	rules: 'main'
	- group: ubuntu-fips
	backend: google-pro
	systems: 'ubuntu-fips-22.04-64'
	tests: 'tests/fips/...'
	rules: 'main'
	- group: nested-ubuntu-16.04
	backend: google-nested
	systems: 'ubuntu-16.04-64'
	tests: 'tests/nested/...'
	rules: 'nested'
	- group: nested-ubuntu-18.04
	backend: google-nested
	systems: 'ubuntu-18.04-64'
	tests: 'tests/nested/...'
	rules: 'nested'
	- group: nested-ubuntu-20.04
	backend: google-nested
	systems: 'ubuntu-20.04-64'
	tests: 'tests/nested/...'
	rules: 'nested'
	- group: nested-ubuntu-22.04
	backend: google-nested
	systems: 'ubuntu-22.04-64'
	tests: 'tests/nested/...'
	rules: 'nested'
	- group: nested-ubuntu-24.04
	backend: google-nested
	systems: 'ubuntu-24.04-64'
	tests: 'tests/nested/...'
	rules: 'nested'
	steps:
	- name: Cleanup job workspace
	id: cleanup-job-workspace
	run: \|
	rm -rf "${{ github.workspace }}"
	mkdir "${{ github.workspace }}"

	- name: Checkout code
	uses: actions/checkout@v3
	with:
	# spread uses tags as delta reference
	fetch-depth: 0

	- name: Get previous attempt
	id: get-previous-attempt
	run: \|
	echo "previous_attempt=$(( ${{ github.run_attempt }} - 1 ))" >> $GITHUB_OUTPUT
	shell: bash

	- name: Get previous cache
	uses: actions/cache@v3
	with:
	path: "${{ github.workspace }}/.test-results"
	key: "${{ github.job }}-results-${{ github.run_id }}-${{ matrix.group }}-${{ steps.get-previous-attempt.outputs.previous_attempt }}"


	- name: Prepare test results env and vars
	id: prepare-test-results-env
	run: \|
	# Create test results directories and save vars
	TEST_RESULTS_DIR="${{ github.workspace }}/.test-results"
	echo "TEST_RESULTS_DIR=$TEST_RESULTS_DIR" >> $GITHUB_ENV

	# Save the var with the failed tests file
	echo "FAILED_TESTS_FILE=$TEST_RESULTS_DIR/failed-tests" >> $GITHUB_ENV

	# Make sure the test results dirs are created
	# This step has to be after the cache is restored
	mkdir -p "$TEST_RESULTS_DIR"

	- name: Get changed files
	id: changed-files
	uses: tj-actions/[email protected]

	- name: Save changes files
	run: \|
	CHANGED_FILES="${{ steps.changed-files.outputs.all_changed_files }}"
	echo "CHANGED_FILES=$CHANGED_FILES" >> $GITHUB_ENV
	echo "The changed files found are: $CHANGED_FILES"

	- name: Check failed tests to run
	if: "!contains(github.event.pull_request.labels.*.name, 'Run all')"
	run: \|
	# Save previous failed test results in FAILED_TESTS env var
	FAILED_TESTS=""
	if [ -f "$FAILED_TESTS_FILE" ]; then
	echo "Failed tests file found"
	FAILED_TESTS="$(cat $FAILED_TESTS_FILE)"
	if [ -n "$FAILED_TESTS" ]; then
	echo "Failed tests to run: $FAILED_TESTS"
	echo "FAILED_TESTS=$FAILED_TESTS" >> $GITHUB_ENV
	fi
	fi

	- name: Setup run tests variable
	if: "!contains(github.event.pull_request.labels.*.name, 'Skip spread')"
	run: \|
	RUN_TESTS=""
	SUGGESTED_TESTS=""
	# Save previous failed test results in FAILED_TESTS env var
	if [ -n "$FAILED_TESTS" ]; then
	RUN_TESTS="$FAILED_TESTS"
	else
	for SYSTEM in ${{ matrix.systems }}; do
	for TESTS in ${{ matrix.tests }}; do
	RUN_TESTS="$RUN_TESTS ${{ matrix.backend }}:$SYSTEM:$TESTS"
	done
	CHANGES_PARAM=""
	for CHANGE in $CHANGED_FILES; do
	CHANGES_PARAM="$CHANGES_PARAM -c $CHANGE"
	done
	SUGGESTED_TESTS="$SUGGESTED_TESTS $(./tests/lib/external/snapd-testing-tools/utils/spread-filter -r ./tests/lib/spread/rules/${{ matrix.rules }}.yaml -p "${{ matrix.backend }}:$SYSTEM" $CHANGES_PARAM)"
	done
	fi
	echo RUN_TESTS="$RUN_TESTS" >> $GITHUB_ENV
	echo "Suggested tests by spread-filter tool"
	echo "$SUGGESTED_TESTS"

	- name: Setup grafana parameters
	if: "!contains(github.event.pull_request.labels.*.name, 'Skip spread')"
	run: \|
	# Configure parameters to filter logs (these logs are sent read by grafana agent)
	CHANGE_ID="${{ github.event.number }}"
	if [ -z "$CHANGE_ID" ]; then
	CHANGE_ID="main"
	fi
	FILTERED_LOG_FILE="spread_${CHANGE_ID}_n${{ github.run_attempt }}.filtered.log"
	# The log-filter tool is used to filter the spread logs to be stored
	echo FILTER_PARAMS="-o $FILTERED_LOG_FILE -e Debug -e WARNING: -f Failed=NO_LINES -f Error=NO_LINES" >> $GITHUB_ENV
	echo FILTERED_LOG_FILE="$FILTERED_LOG_FILE" >> $GITHUB_ENV

	# Add start line to filtered log
	echo "GRAFANA START: pr ${CHANGE_ID} attempt ${{ github.run_attempt }} run ${{ github.run_id }} group ${{ matrix.group }}" > "$FILTERED_LOG_FILE"

	- name: Download built snap
	uses: actions/download-artifact@v3
	if: "!endsWith(matrix.group, '-fips')"
	with:
	name: snap-files-default-test
	# eg. snapd_1337.2.65.1+git97.gd35b459_amd64.snap
	pattern: snapd_1337.*.snap
	path: "${{ github.workspace }}/built-snap"

	- name: Download built FIPS snap
	uses: actions/download-artifact@v3
	# eg. ubuntu-fips
	if: "endsWith(matrix.group, '-fips')"
	with:
	name: snap-files-FIPS-test
	# eg. snapd_1337.2.65.1+git97.gd35b459-fips_amd64.snap
	pattern: snapd_1337.-fips_.snap
	path: "${{ github.workspace }}/built-snap"

	- name: Rename imported snap
	run: \|
	for snap in built-snap/snapd_1337.*.snap; do
	mv -v "${snap}" "${snap}.keep"
	done

	- name: Run spread tests
	if: "!contains(github.event.pull_request.labels..name, 'Skip spread') && ( !startsWith(matrix.group, 'nested-') \|\| contains(github.event.pull_request.labels..name, 'Run nested') )"
	env:
	SPREAD_GOOGLE_KEY: ${{ secrets.SPREAD_GOOGLE_KEY }}
	run: \|
	# Register a problem matcher to highlight spread failures
	echo "::add-matcher::.github/spread-problem-matcher.json"
	set -x
	SPREAD=spread
	if [[ "${{ matrix.group }}" =~ nested- ]]; then
	export NESTED_BUILD_SNAPD_FROM_CURRENT=true
	export NESTED_ENABLE_KVM=true
	fi

	case "${{ matrix.systems }}" in
	-arm-)
	SPREAD_USE_PREBUILT_SNAPD_SNAP=false
	;;
	*)
	SPREAD_USE_PREBUILT_SNAPD_SNAP=true
	;;
	esac
	export SPREAD_USE_PREBUILT_SNAPD_SNAP

	if [[ "${{ matrix.systems }}" =~ amazon-linux-2023 ]]; then
	# Amazon Linux 2023 has no xdelta, however we cannot disable
	# xdelta on a per-target basis as it's used in the repack section
	# of spread.yaml, which is shared by all targets, so all systems
	# in this batch will not use delta for transferring project data
	echo "Disabling xdelta support"
	export NO_DELTA=1
	fi

	# Add openstack backend definition to spread.yaml
	if [ "${{ matrix.backend }}" = openstack ]; then
	./tests/lib/spread/add-backend tests/lib/spread/backend.openstack.yaml spread.yaml
	fi

	# This coud be the case when either there are not systems for a group or
	# the list of tests to run is empty
	if [ -z "$RUN_TESTS" ]; then
	echo "No tests to run, skiping..."
	exit 0
	fi

	# Run spread tests
	# "pipefail" ensures that a non-zero status from the spread is
	# propagated; and we use a subshell as this option could trigger
	# undesired changes elsewhere
	echo "Running command: $SPREAD $RUN_TESTS"
	(set -o pipefail; $SPREAD -no-debug-output -logs spread-logs $RUN_TESTS \| PYTHONDONTWRITEBYTECODE=1 ./tests/lib/external/snapd-testing-tools/utils/log-filter $FILTER_PARAMS \| tee spread.log)


	- name: Uploading spread logs
	if: always()
	uses: actions/upload-artifact@v3
	with:
	name: spread-logs-${{ matrix.systems }}
	path: "spread-logs/*.log"

	- name: Discard spread workers
	if: always()
	run: \|
	shopt -s nullglob;
	for r in .spread-reuse.*.yaml; do
	spread -discard -reuse-pid="$(echo "$r" \| grep -o -E '[0-9]+')";
	done

	- name: Report spread errors
	if: always()
	run: \|
	if [ -e spread.log ]; then
	echo "Running spread log analyzer"
	ACTIONS_URL="${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}/attempts/${{ github.run_attempt }}"
	PYTHONDONTWRITEBYTECODE=1 ./tests/lib/external/snapd-testing-tools/utils/log-parser spread.log --output spread-results.json --cut 1 >/dev/null
	while IFS= read -r line; do
	if [ ! -z "$line" ]; then
	echo "Adding failed test line to filtered log"
	echo "GRAFANA FAILED: $line $ACTIONS_URL" \| tee -a "$FILTERED_LOG_FILE"
	fi
	done <<< $(jq -r '.[] \| select( .type == "info" ) \| select( .info_type == "Error" ) \| "\(.verb) \(.task)"' spread-results.json)
	else
	echo "No spread log found, skipping errors reporting"
	fi

	- name: Analyze spread test results
	if: always()
	run: \|
	if [ -f spread.log ]; then
	echo "Running spread log parser"
	PYTHONDONTWRITEBYTECODE=1 ./tests/lib/external/snapd-testing-tools/utils/log-parser spread.log --output spread-results.json

	# Add openstack backend definition to spread.yaml
	if [ "${{ matrix.backend }}" = openstack ]; then
	./tests/lib/spread/add-backend tests/lib/spread/backend.openstack.yaml spread.yaml
	fi

	echo "Running spread log analyzer"
	PYTHONDONTWRITEBYTECODE=1 ./tests/lib/external/snapd-testing-tools/utils/log-analyzer list-reexecute-tasks "$RUN_TESTS" spread-results.json > "$FAILED_TESTS_FILE"

	echo "List of failed tests saved"
	cat "$FAILED_TESTS_FILE"
	else
	echo "No spread log found, saving empty list of failed tests"
	touch "$FAILED_TESTS_FILE"
	fi

	- name: Save spread test results to cache
	if: always()
	uses: actions/cache/save@v3
	with:
	path: "${{ github.workspace }}/.test-results"
	key: "${{ github.job }}-results-${{ github.run_id }}-${{ matrix.group }}-${{ github.run_attempt }}"

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sandbox/cgroup: improve cgroup-based process termination algorithm #30907

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