lxd/device: Add support for discovering multiple `unix-hotplug` devices #12733

Workflow file for this run

	name: Tests
	on:
	push:
	branches:
	- main
	- stable-*
	pull_request:
	workflow_dispatch:
	schedule:
	- cron: '0 0 * * *' # Test TICS daily

	env:
	LXD_REQUIRED_TESTS: "storage_buckets"
	LXD_SKIP_TESTS: "clustering_upgrade clustering_upgrade_large"
	GOCOVERDIR: ${{ ( github.event_name == 'workflow_dispatch' \|\| github.event_name == 'schedule' ) && '/home/runner/work/lxd/lxd/coverage' \|\| '' }}

	permissions:
	contents: read

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}
	cancel-in-progress: true

	defaults:
	run:
	# Make sure bash is always invoked with `-eo pipefail`
	# https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsshell
	shell: bash

	jobs:
	code-tests:
	env:
	CGO_CFLAGS: "-I/home/runner/go/bin/dqlite/include/"
	CGO_LDFLAGS: "-L/home/runner/go/bin/dqlite/libs/"
	LD_LIBRARY_PATH: "/home/runner/go/bin/dqlite/libs/"
	LD_RUN_PATH: "/home/runner/go/bin/dqlite/libs/"
	CGO_LDFLAGS_ALLOW: "(-Wl,-wrap,pthread_create)\|(-Wl,-z,now)"
	name: Code
	runs-on: ubuntu-22.04
	steps:
	- name: Checkout
	uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
	with:
	# A non-shallow clone is needed for the Differential ShellCheck
	fetch-depth: 0

	- name: Tune disk performance
	uses: ./.github/actions/tune-disk-performance

	- name: Dependency Review
	uses: actions/dependency-review-action@4081bf99e2866ebe428fc0477b69eb4fcda7220a # v4.4.0
	if: github.event_name == 'pull_request'

	# XXX: `make static-analysis` also run shellcheck but this one provides
	# useful feedback in the PR through github-code-scanning bot
	- id: ShellCheck
	name: Differential ShellCheck
	uses: redhat-plumbers-in-action/differential-shellcheck@cc6721c45a8800cc666de45493545a07a638d121 # v5.4.0
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	strict-check-on-push: true
	if: github.event_name == 'pull_request'

	- name: Upload artifact with ShellCheck defects in SARIF format
	uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
	with:
	name: Differential ShellCheck SARIF
	path: ${{ steps.ShellCheck.outputs.sarif }}
	if: github.event_name == 'pull_request'

	- name: Install Go
	uses: actions/setup-go@41dfa10bad2bb2ae585af6ee5bb4d7d973ad74ed # v5.1.0
	with:
	go-version-file: 'go.mod'

	- name: Install build dependencies
	uses: ./.github/actions/install-lxd-builddeps

	- name: Download minio/mc
	run: \|
	# Download minio ready to include in dependencies for system tests.
	mkdir -p "$(go env GOPATH)/bin"
	curl -sSfL https://dl.min.io/server/minio/release/linux-amd64/minio --output "$(go env GOPATH)/bin/minio"
	chmod +x "$(go env GOPATH)/bin/minio"

	# Also grab the latest minio client to maintain compatibility with the server.
	curl -sSfL https://dl.min.io/client/mc/release/linux-amd64/mc --output "$(go env GOPATH)/bin/mc"
	chmod +x "$(go env GOPATH)/bin/mc"

	- name: Download go dependencies
	run: \|
	set -eux
	go mod download

	- name: Check compatibility with min Go version
	run: \|
	set -eux
	GOMIN="$(sed -n 's/^GOMIN=$[0-9.]\+$$/\1/p' Makefile)"
	sudo chmod o+w {go.mod,go.sum}
	go mod tidy -go="${GOMIN}"

	DOC_GOMIN="$(sed -n 's/^LXD requires Go $[0-9.]\+$ .*/\1/p' doc/requirements.md)"
	[ "${GOMIN}" = "${DOC_GOMIN}" ]

	- name: Make LXD tarball and unpack it
	env:
	CUSTOM_VERSION: "test"
	run: \|
	set -eux
	make dist
	tar -xzf lxd-test.tar.gz -C /home/runner/work/lxd/
	rm lxd-test.tar.gz

	- name: Build LXD dependencies
	run: \|
	set -eux

	# Build from unpacked dist tarball.
	cd /home/runner/work/lxd/lxd-test
	make deps

	# Include dqlite libs in dependencies for system tests.
	mkdir /home/runner/go/bin/dqlite
	mv /home/runner/work/lxd/lxd-test/vendor/dqlite/include /home/runner/go/bin/dqlite/include
	mv /home/runner/work/lxd/lxd-test/vendor/dqlite/.libs /home/runner/go/bin/dqlite/libs

	- name: Build binaries
	run: \|
	set -eux

	# Build from unpacked dist tarball.
	cd /home/runner/work/lxd/lxd-test
	make

	strip --strip-all /home/runner/go/bin/{lxc,lxd} -v

	- name: Check lxc/lxd-agent binary sizes
	run: \|
	set -eux

	# Build lxc/lxd-agent the same way as done in the snap
	go build -trimpath -o "/tmp/bin/lxc" github.com/canonical/lxd/lxc
	CGO_ENABLED=0 go build -trimpath -o "/tmp/bin/lxd-agent" -tags=agent,netgo github.com/canonical/lxd/lxd-agent
	strip -s /tmp/bin/*

	# bin/max (sizes are in MiB)
	SIZES="lxc 15
	lxd-agent 13"
	MIB="$((1024 * 1024))"

	while read -r bin max; do
	cur="$(stat --format=%s "/tmp/bin/${bin}")"
	min=$((max - 1))
	min_mib="$((min * MIB))"
	max_mib="$((max * MIB))"
	rm -f "/tmp/bin/${bin}"

	if [ "${cur}" -gt "${max_mib}" ]; then
	echo "FAIL: ${bin} binary size exceeds ${max}MiB"
	exit 1
	fi

	# XXX: check for when we need to lower the min/max sizes
	if [ "${cur}" -lt "${min_mib}" ]; then
	echo "Congratulations: ${bin} binary size reduced below ${min}MiB"
	echo "It is now time to edit the workflow job to use smaller min/max sizes for ${bin}"
	exit 1
	fi

	echo "OK: ${bin} is between ${min} and ${max}MiB"
	done <<< ${SIZES}

	- name: Make GOCOVERDIR
	run: mkdir -p "${GOCOVERDIR}"
	if: env.GOCOVERDIR != ''

	- name: Run static analysis
	env:
	GITHUB_BEFORE: ${{ github.event.before }}
	run: \|
	set -eux
	sudo chmod o+w ./lxd/metadata/configuration.json
	sudo chmod o+w ./doc/metadata.txt
	sudo chmod o+w ./po/*
	sudo chmod o+w ./lxd/auth/entitlements_generated.go
	sudo chmod o+w ./lxd/auth/drivers/openfga_model.openfga
	make static-analysis

	- name: Unit tests (all)
	run: \|
	set -eux
	sudo --preserve-env=CGO_CFLAGS,CGO_LDFLAGS,CGO_LDFLAGS_ALLOW,GOCOVERDIR,LD_LIBRARY_PATH LD_LIBRARY_PATH=${LD_LIBRARY_PATH} env "PATH=${PATH}" make check-unit

	- name: Upload coverage data
	uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
	with:
	name: coverage-unit
	path: ${{env.GOCOVERDIR}}
	if: env.GOCOVERDIR != ''

	- name: Upload system test dependencies
	uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
	with:
	name: system-test-deps
	path: \|
	/home/runner/go/bin/lxc*
	/home/runner/go/bin/lxd*
	/home/runner/go/bin/mc
	/home/runner/go/bin/minio
	/home/runner/go/bin/dqlite
	retention-days: 1

	system-tests:
	env:
	LXD_CEPH_CLUSTER: "ceph"
	LXD_CEPH_CEPHFS: "cephfs"
	LXD_CEPH_CEPHOBJECT_RADOSGW: "http://127.0.0.1"
	LXD_CONCURRENT: "1"
	LXD_VERBOSE: "1"
	LXD_OFFLINE: "1"
	LXD_TMPFS: "1"
	name: System
	runs-on: ubuntu-22.04
	needs: code-tests
	strategy:
	fail-fast: false
	matrix:
	suite: ["cluster", "standalone"]
	backend: ["dir", "btrfs", "lvm", "zfs", "ceph", "random"]

	steps:
	- name: Checkout
	uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

	- name: Tune disk performance
	uses: ./.github/actions/tune-disk-performance

	- name: Reclaim disk space
	uses: ./.github/actions/reclaim-disk-space

	- name: Remove docker
	uses: ./.github/actions/disable-docker

	- name: Install Go
	uses: actions/setup-go@41dfa10bad2bb2ae585af6ee5bb4d7d973ad74ed # v5.1.0
	with:
	go-version-file: 'go.mod'

	- name: Install dependencies
	run: \|
	set -eux
	sudo add-apt-repository ppa:ubuntu-lxc/daily -y --no-update
	sudo apt-get update

	sudo systemctl mask lxc.service lxc-net.service

	sudo apt-get install --no-install-recommends -y \
	curl \
	git \
	libacl1-dev \
	libcap-dev \
	libdbus-1-dev \
	liblxc-dev \
	libseccomp-dev \
	libselinux-dev \
	libsqlite3-dev \
	libtool \
	libudev-dev \
	make \
	pkg-config\
	acl \
	attr \
	bind9-dnsutils \
	btrfs-progs \
	busybox-static \
	dnsmasq-base \
	easy-rsa \
	gettext \
	jq \
	lxc-utils \
	lvm2 \
	nftables \
	quota \
	rsync \
	s3cmd \
	socat \
	sqlite3 \
	squashfs-tools \
	tar \
	tcl \
	thin-provisioning-tools \
	uuid-runtime \
	xfsprogs \
	xz-utils \
	zfsutils-linux

	# reclaim some space
	sudo apt-get clean

	- name: Download system test dependencies
	uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
	with:
	name: system-test-deps
	merge-multiple: true
	path: /home/runner/go/bin

	- name: Set exec perms on LXD binaries
	run: \|
	set -eux
	ls -lR /home/runner/go/bin/
	chmod uog+x /home/runner/go/bin/*

	- name: Setup MicroCeph
	if: ${{ matrix.backend == 'ceph' }}
	uses: ./.github/actions/setup-microceph

	- name: Make GOCOVERDIR
	run: \|
	set -eux
	mkdir -p "${GOCOVERDIR}"
	if: env.GOCOVERDIR != ''

	- name: "Run system tests (${{ matrix.suite }}, ${{ matrix.backend }})"
	run: \|
	set -eux
	chmod +x ~
	echo "root:1000000:1000000000" \| sudo tee /etc/subuid /etc/subgid
	cd test
	sudo --preserve-env=PATH,GOPATH,GOCOVERDIR,GITHUB_ACTIONS,LXD_VERBOSE,LXD_BACKEND,LXD_CEPH_CLUSTER,LXD_CEPH_CEPHFS,LXD_CEPH_CEPHOBJECT_RADOSGW,LXD_OFFLINE,LXD_SKIP_TESTS,LXD_REQUIRED_TESTS, LXD_BACKEND=${{ matrix.backend }} ./main.sh ${{ matrix.suite }}

	- name: Upload coverage data
	uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
	with:
	name: coverage-${{ matrix.suite }}-${{ matrix.backend }}
	path: ${{env.GOCOVERDIR}}
	if: env.GOCOVERDIR != ''

	tics:
	name: Tiobe TICS
	runs-on: ubuntu-22.04
	needs: system-tests
	env:
	CGO_CFLAGS: "-I/home/runner/go/bin/dqlite/include/"
	CGO_LDFLAGS: "-L/home/runner/go/bin/dqlite/libs/"
	LD_LIBRARY_PATH: "/home/runner/go/bin/dqlite/libs/"
	CGO_LDFLAGS_ALLOW: "(-Wl,-wrap,pthread_create)\|(-Wl,-z,now)"
	if: ${{ ( github.event_name == 'workflow_dispatch' \|\| github.event_name == 'schedule' ) && github.ref_name == 'main' && github.repository == 'canonical/lxd' }}
	steps:
	- name: Checkout
	uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
	with:
	# A non-shallow clone is needed for the Differential ShellCheck
	fetch-depth: 0

	- name: Tune disk performance
	uses: ./.github/actions/tune-disk-performance

	- name: Reclaim disk space
	uses: ./.github/actions/reclaim-disk-space

	- name: Remove docker
	uses: ./.github/actions/disable-docker

	- name: Install Go
	uses: actions/setup-go@41dfa10bad2bb2ae585af6ee5bb4d7d973ad74ed # v5.1.0
	with:
	go-version-file: 'go.mod'

	- name: Download coverage data
	uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
	with:
	pattern: coverage-*
	path: ${{env.GOCOVERDIR}}
	merge-multiple: true

	- name: Download system test dependencies
	uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
	with:
	name: system-test-deps
	merge-multiple: true
	path: /home/runner/go/bin

	- name: Install build dependencies
	uses: ./.github/actions/install-lxd-builddeps

	- name: Install dependencies
	run: \|
	go install github.com/axw/gocov/gocov@latest
	go install github.com/AlekSi/gocov-xml@latest
	go install honnef.co/go/tools/cmd/staticcheck@latest

	- name: Convert coverage files
	run: \|
	go tool covdata textfmt -i="${GOCOVERDIR}" -o "${GOCOVERDIR}"/coverage.out
	gocov convert "${GOCOVERDIR}"/coverage.out > "${GOCOVERDIR}"/coverage.json
	gocov-xml < "${GOCOVERDIR}"/coverage.json > "${GOCOVERDIR}"/coverage-go.xml

	- name: Run TICS
	uses: tiobe/tics-github-action@03294702eb0a8e13c06ff1949c7bb6643b4c60fc # v3.2.1
	with:
	mode: qserver
	project: LXD
	viewerUrl: https://canonical.tiobe.com/tiobeweb/TICS/api/cfg?name=default
	branchdir: ${{ github.workspace }}
	ticsAuthToken: ${{ secrets.TICS_AUTH_TOKEN }}
	installTics: true
	calc: ALL
	tmpdir: /tmp/tics

	client:
	name: Client
	strategy:
	fail-fast: false
	matrix:
	os:
	- ubuntu-latest
	- macos-latest
	- windows-latest
	runs-on: ${{ matrix.os }}

	steps:
	- name: Checkout code
	uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

	- name: Install Go
	uses: actions/setup-go@41dfa10bad2bb2ae585af6ee5bb4d7d973ad74ed # v5.1.0
	with:
	go-version-file: 'go.mod'

	- name: Create build directory
	run: \|
	set -eux
	mkdir bin

	- name: Build static lxc (x86_64)
	env:
	CGO_ENABLED: 0
	GOARCH: amd64
	run: \|
	set -eux
	go build -ldflags "-s -w" -o trimpath -o bin/lxc.x86_64 ./lxc

	- name: Build static lxc (aarch64)
	env:
	CGO_ENABLED: 0
	GOARCH: arm64
	run: \|
	set -eux
	go build -ldflags "-s -w" -o trimpath -o bin/lxc.aarch64 ./lxc

	- name: Build static lxd-benchmark
	if: runner.os == 'Linux'
	env:
	CGO_ENABLED: 0
	run: \|
	set -eux
	GOARCH=amd64 go build -ldflags "-s -w" -o trimpath -o bin/lxd-benchmark.x86_64 ./lxd-benchmark
	GOARCH=arm64 go build -ldflags "-s -w" -o trimpath -o bin/lxd-benchmark.aarch64 ./lxd-benchmark

	- name: Build static lxd-migrate
	if: runner.os == 'Linux'
	env:
	CGO_ENABLED: 0
	run: \|
	set -eux
	GOARCH=amd64 go build -ldflags "-s -w" -o trimpath -o bin/lxd-migrate.x86_64 ./lxd-migrate
	GOARCH=arm64 go build -ldflags "-s -w" -o trimpath -o bin/lxd-migrate.aarch64 ./lxd-migrate

	- name: Unit tests (client)
	env:
	CGO_ENABLED: 0
	run: \|
	set -eux
	go test -v ./client/...

	- name: Unit tests (lxc)
	env:
	CGO_ENABLED: 0
	run: \|
	set -eux
	go test -v ./lxc/...

	- name: Unit tests (shared)
	env:
	CGO_ENABLED: 0
	run: \|
	set -eux
	go test -v ./shared/...

	- name: Upload lxc client artifacts
	uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
	continue-on-error: true
	with:
	name: lxd-clients-${{ runner.os }}
	path: bin/

	documentation:
	name: Documentation
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

	- name: Install Go
	uses: actions/setup-go@41dfa10bad2bb2ae585af6ee5bb4d7d973ad74ed # v5.1.0
	with:
	go-version-file: 'go.mod'

	- name: Install dependencies
	run: \|
	set -eux
	sudo apt-get install aspell aspell-en
	sudo snap install mdl

	- name: Run markdown linter
	run: \|
	set -eux
	make doc-lint

	- name: Build docs (Sphinx)
	shell: 'script -q -e -c "export TERM=xterm-256color; bash {0}"'
	run: \|
	set -eux
	make doc
	if [ -s doc/.sphinx/warnings.txt ]; then cat doc/.sphinx/warnings.txt; exit 1; fi

	- name: Run spell checker
	run: \|
	set -eux
	make doc-spellcheck

	- name: Run inclusive naming checker
	uses: get-woke/woke-action@b2ec032c4a2c912142b38a6a453ad62017813ed0 # v0
	with:
	fail-on-error: true
	woke-args: ".md /.md -c https://github.com/canonical/Inclusive-naming/raw/main/config.yml"

	- name: Run link checker
	# Run link checker during scheduled CI runs only
	if: ${{ github.event_name == 'schedule' }}
	shell: 'script -q -e -c "export TERM=xterm-256color; bash {0}"'
	run: \|
	set -eux
	make doc-linkcheck

	- name: Upload documentation artifacts
	if: always()
	uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
	with:
	name: documentation
	path: doc/_build

	snap:
	name: Trigger snap edge build
	runs-on: ubuntu-22.04
	needs: [code-tests, system-tests, client, documentation]
	if: ${{ github.repository == 'canonical/lxd' && github.event_name == 'push' && github.actor != 'dependabot[bot]' }}
	steps:
	- name: Checkout code
	uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2

	- name: Setup Launchpad SSH access
	env:
	SSH_AUTH_SOCK: /tmp/ssh_agent.sock
	LAUNCHPAD_LXD_BOT_KEY: ${{ secrets.LAUNCHPAD_LXD_BOT_KEY }}
	run: \|
	set -eux
	mkdir -m 0700 -p ~/.ssh/
	ssh-agent -a "${SSH_AUTH_SOCK}" > /dev/null
	ssh-add - <<< "${{ secrets.LAUNCHPAD_LXD_BOT_KEY }}"
	ssh-add -L > ~/.ssh/id_ed25519.pub
	# In ephemeral environments like GitHub Action runners, relying on TOFU isn't providing any security
	# so require the key obtained by `ssh-keyscan` to match the expected hash from https://help.launchpad.net/SSHFingerprints
	ssh-keyscan git.launchpad.net >> ~/.ssh/known_hosts
	ssh-keygen -qlF git.launchpad.net \| grep -xF 'git.launchpad.net RSA SHA256:UNOzlP66WpDuEo34Wgs8mewypV0UzqHLsIFoqwe8dYo'

	- name: Install Go
	uses: actions/setup-go@41dfa10bad2bb2ae585af6ee5bb4d7d973ad74ed # v5.1.0
	with:
	go-version-file: 'go.mod'

	- name: Trigger Launchpad snap build
	env:
	SSH_AUTH_SOCK: /tmp/ssh_agent.sock
	TARGET: >-
	${{ fromJson('{
	"main": "latest-edge",
	"stable-5.0": "5.0-edge",
	}')[github.ref_name] }}
	run: \|
	set -eux
	git config --global transfer.fsckobjects true
	git config --global user.name "Canonical LXD Bot"
	git config --global user.email "[email protected]"
	git config --global commit.gpgsign true
	git config --global gpg.format "ssh"
	git config --global user.signingkey ~/.ssh/id_ed25519.pub
	localRev="$(git rev-parse HEAD)"
	go install github.com/canonical/lxd-ci/lxd-snapcraft@latest
	git clone -b "${TARGET}" git+ssh://[email protected]/~canonical-lxd/lxd ~/lxd-pkg-snap-lp
	cd ~/lxd-pkg-snap-lp
	lxd-snapcraft -package lxd -set-version "git-${localRev:0:7}" -set-source-commit "${localRev}"
	git add --all
	git commit --all --quiet -s --allow-empty -m "Automatic upstream build (${TARGET})" -m "Upstream commit: ${localRev}"
	git show
	git push --quiet

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lxd/device: Add support for discovering multiple `unix-hotplug` devices #12733

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lxd/device: Add support for discovering multiple `unix-hotplug` devices #12733

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lxd/device: Add support for discovering multiple unix-hotplug devices #12733

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Workflow file for this run

lxd/device: Add support for discovering multiple `unix-hotplug` devices #12733