From 378db9e2b93fe6b65f9c30fb839ca30fb3f1a135 Mon Sep 17 00:00:00 2001 From: Frantisek Sumsal Date: Fri, 12 May 2023 17:39:41 +0200 Subject: [PATCH] test: add a couple of tests for machinectl --- test/TEST-13-NSPAWN-SMOKE/test.sh | 5 + test/test-functions | 1 + test/units/testsuite-13.machinectl.sh | 197 ++++++++++++++ test/units/testsuite-13.nspawn.sh | 374 ++++++++++++++++++++++++++ test/units/testsuite-13.sh | 372 +------------------------ 5 files changed, 582 insertions(+), 367 deletions(-) create mode 100755 test/units/testsuite-13.machinectl.sh create mode 100755 test/units/testsuite-13.nspawn.sh diff --git a/test/TEST-13-NSPAWN-SMOKE/test.sh b/test/TEST-13-NSPAWN-SMOKE/test.sh index 8352541b172..f607c2733b2 100755 --- a/test/TEST-13-NSPAWN-SMOKE/test.sh +++ b/test/TEST-13-NSPAWN-SMOKE/test.sh @@ -5,6 +5,11 @@ set -e TEST_DESCRIPTION="systemd-nspawn smoke test" IMAGE_NAME="nspawn" TEST_NO_NSPAWN=1 +# The test containers are missing the $BUILD_DIR with the necessary note files +# which generates lots of errors regarding missing coverage. Since fixing this +# would make the test code unnecessarily messy, let's just ignore them, at least +# for now. +IGNORE_MISSING_COVERAGE=yes # shellcheck source=test/test-functions . "${TEST_BASE_DIR:?}/test-functions" diff --git a/test/test-functions b/test/test-functions index d59ac293821..6063c5d5e2c 100644 --- a/test/test-functions +++ b/test/test-functions @@ -193,6 +193,7 @@ BASICTOOLS=( loadkeys login losetup + lsattr lz4cat mkfifo mknod diff --git a/test/units/testsuite-13.machinectl.sh b/test/units/testsuite-13.machinectl.sh new file mode 100755 index 00000000000..9ca6f5f02bf --- /dev/null +++ b/test/units/testsuite-13.machinectl.sh @@ -0,0 +1,197 @@ +#!/usr/bin/env bash +# SPDX-License-Identifier: LGPL-2.1-or-later +# shellcheck disable=SC2016 +set -eux +set -o pipefail + +export PAGER= + +CREATE_BB_CONTAINER="/usr/lib/systemd/tests/testdata/create-busybox-container" + +at_exit() { + set +e + + machinectl status long-running >/dev/null && machinectl kill --signal=KILL long-running + mountpoint -q /var/lib/machines && timeout 10 sh -c "while ! umount /var/lib/machines; do sleep .5; done" +} + +trap at_exit EXIT + +# Mount tmpfs over /var/lib/machines to not pollute the image +mkdir -p /var/lib/machines +mount -t tmpfs tmpfs /var/lib/machines + +# Create a couple of containers we can refer to in tests +for i in {0..4}; do + "$CREATE_BB_CONTAINER" "/var/lib/machines/container$i" + machinectl start "container$i" +done +# Create one "long running" container with some basic signal handling +"$CREATE_BB_CONTAINER" /var/lib/machines/long-running +cat >/var/lib/machines/long-running/sbin/init <<\EOF +#!/bin/sh -x +# +PID=0 + +# sh doesn't recognize RTMIN+4, so we have to use the signal number directly +trap "touch /poweroff" 38 +trap "touch /reboot" INT +trap "touch /trap" TRAP +trap 'kill $PID' EXIT + +# We need to wait for the sleep process asynchronously in order to allow +# bash to process signals +sleep infinity & +PID=$! +while :; do + wait || : +done +EOF +machinectl start long-running + +machinectl +machinectl --no-pager --help +machinectl --version +machinectl list +machinectl list --no-legend --no-ask-password + +machinectl status long-running long-running long-running +machinectl status --full long-running +machinectl status --quiet --lines=1 long-running +machinectl status --lines=0 --max-addresses=0 long-running +machinectl status --machine=testuser@.host long-running +machinectl status --output=help long-running +while read -r output; do + machinectl status --output="$output" long-running +done < <(machinectl --output=help) + +machinectl show +machinectl show --all +machinectl show --all --machine=root@ +machinectl show --all --machine=testuser@ +[[ "$(machinectl show --property=PoolPath --value)" == "/var/lib/machines" ]] +machinectl show long-running +machinectl show long-running long-running long-running --all +[[ "$(machinectl show --property=RootDirectory --value long-running)" == "/var/lib/machines/long-running" ]] + +machinectl enable long-running +test -L /etc/systemd/system/machines.target.wants/systemd-nspawn@long-running.service +machinectl enable long-running long-running long-running container1 +machinectl disable long-running +test ! -L /etc/systemd/system/machines.target.wants/systemd-nspawn@long-running.service +machinectl disable long-running long-running long-running container1 + +[[ "$(machinectl shell testuser@ /bin/sh -c 'echo -ne $FOO')" == "" ]] +[[ "$(machinectl shell --setenv=FOO=bar testuser@ /bin/sh -c 'echo -ne $FOO')" == "bar" ]] + +[[ "$(machinectl show --property=State --value long-running)" == "running" ]] +# Equivalent to machinectl kill --signal=SIGRTMIN+4 --kill-whom=leader +rm -f /var/lib/machines/long-running/poweroff +machinectl poweroff long-running +test -e /var/lib/machines/long-running/poweroff +machinectl poweroff long-running long-running long-running +# Equivalent to machinectl kill --signal=SIGINT --kill-whom=leader +rm -f /var/lib/machines/long-running/reboot +machinectl reboot long-running +test -e /var/lib/machines/long-running/reboot +machinectl reboot long-running long-running long-running +# Skip machinectl terminate for now, as it doesn't play well with our "init" +rm -f /var/lib/machines/long-running/trap +machinectl kill --signal=SIGTRAP --kill-whom=leader long-running +test -e /var/lib/machines/long-running/trap +machinectl kill --signal=SIGTRAP --kill-whom=leader long-running long-running long-running +# All used signals should've been caught by a handler +[[ "$(machinectl show --property=State --value long-running)" == "running" ]] + +cp /etc/machine-id /tmp/foo +machinectl copy-to long-running /tmp/foo /root/foo +test -f /var/lib/machines/long-running/root/foo +machinectl copy-from long-running /root/foo /tmp/bar +diff /tmp/foo /tmp/bar +rm -f /tmp/{foo,bar} + +# machinectl bind is covered by testcase_check_machinectl_bind() in nspawn tests + +machinectl list-images +machinectl list-images --no-legend +machinectl image-status +machinectl image-status container1 +machinectl image-status container1 container1 container{0..4} +machinectl show-image +machinectl show-image container1 +machinectl show-image container1 container1 container{0..4} + +machinectl clone container1 clone1 +machinectl show-image clone1 +machinectl rename clone1 clone2 +(! machinectl show-image clone1) +machinectl show-image clone2 +if lsattr -d /var/lib/machines >/dev/null; then + [[ "$(machinectl show-image --property=ReadOnly --value clone2)" == no ]] + machinectl read-only clone2 yes + [[ "$(machinectl show-image --property=ReadOnly --value clone2)" == yes ]] + machinectl read-only clone2 no + [[ "$(machinectl show-image --property=ReadOnly --value clone2)" == no ]] +fi +machinectl remove clone2 +for i in {0..4}; do + machinectl clone container1 "clone$i" +done +machinectl remove clone{0..4} +for i in {0..4}; do + machinectl clone container1 ".hidden$i" +done +machinectl list-images --all +test -d /var/lib/machines/.hidden1 +machinectl clean +test ! -d /var/lib/machines/.hidden1 + +# Prepare a simple raw container +mkdir -p /tmp/mnt +dd if=/dev/zero of=/tmp/container.raw bs=1M count=32 +mkfs.ext4 /tmp/container.raw +mount -o loop /tmp/container.raw /tmp/mnt +cp -r /var/lib/machines/container1/* /tmp/mnt +umount /tmp/mnt +# Try to import it, run it, export it, and re-import it +machinectl import-raw /tmp/container.raw container-raw +[[ "$(machinectl show-image --property=Type --value container-raw)" == "raw" ]] +machinectl start container-raw +machinectl export-raw container-raw /tmp/container-export.raw +machinectl import-raw /tmp/container-export.raw container-raw-reimport +[[ "$(machinectl show-image --property=Type --value container-raw-reimport)" == "raw" ]] +rm -f /tmp/container{,-export}.raw + +# Prepare a simple tar.gz container +tar -pczf /tmp/container.tar.gz -C /var/lib/machines/container1 . +# Try to import it, run it, export it, and re-import it +machinectl import-tar /tmp/container.tar.gz container-tar +[[ "$(machinectl show-image --property=Type --value container-tar)" == "directory" ]] +machinectl start container-tar +machinectl export-tar container-tar /tmp/container-export.tar.gz +machinectl import-tar /tmp/container-export.tar.gz container-tar-reimport +[[ "$(machinectl show-image --property=Type --value container-tar-reimport)" == "directory" ]] +rm -f /tmp/container{,-export}.tar.gz + +# Try to import a container directory & run it +cp -r /var/lib/machines/container1 /tmp/container.dir +machinectl import-fs /tmp/container.dir container-dir +[[ "$(machinectl show-image --property=Type --value container-dir)" == "directory" ]] +machinectl start container-dir +rm -fr /tmp/container.dir + +timeout 10 sh -c "while ! machinectl clean --all; do sleep .5; done" + +for opt in format lines machine max-addresses output setenv verify; do + (! machinectl status "--$opt=" long-running) + (! machinectl status "--$opt=-1" long-running) + (! machinectl status "--$opt=''" long-running) +done +(! machinectl show "") +(! machinectl enable) +(! machinectl enable "") +(! machinectl disable) +(! machinectl disable "") +(! machinectl read-only container1 "") +(! machinectl read-only container1 foo) +(! machinectl read-only container1 -- -1) diff --git a/test/units/testsuite-13.nspawn.sh b/test/units/testsuite-13.nspawn.sh new file mode 100755 index 00000000000..c234887d05d --- /dev/null +++ b/test/units/testsuite-13.nspawn.sh @@ -0,0 +1,374 @@ +#!/usr/bin/env bash +# SPDX-License-Identifier: LGPL-2.1-or-later +# shellcheck disable=SC2016 +set -eux +set -o pipefail + +export SYSTEMD_LOG_LEVEL=debug +export SYSTEMD_LOG_TARGET=journal +CREATE_BB_CONTAINER="/usr/lib/systemd/tests/testdata/create-busybox-container" + +at_exit() { + set +e + + mountpoint -q /var/lib/machines && umount /var/lib/machines +} + +trap at_exit EXIT + +# check cgroup-v2 +IS_CGROUPSV2_SUPPORTED=no +mkdir -p /tmp/cgroup2 +if mount -t cgroup2 cgroup2 /tmp/cgroup2; then + IS_CGROUPSV2_SUPPORTED=yes + umount /tmp/cgroup2 +fi +rmdir /tmp/cgroup2 + +# check cgroup namespaces +IS_CGNS_SUPPORTED=no +if [[ -f /proc/1/ns/cgroup ]]; then + IS_CGNS_SUPPORTED=yes +fi + +IS_USERNS_SUPPORTED=no +# On some systems (e.g. CentOS 7) the default limit for user namespaces +# is set to 0, which causes the following unshare syscall to fail, even +# with enabled user namespaces support. By setting this value explicitly +# we can ensure the user namespaces support to be detected correctly. +sysctl -w user.max_user_namespaces=10000 +if unshare -U sh -c :; then + IS_USERNS_SUPPORTED=yes +fi + +# Mount tmpfs over /var/lib/machines to not pollute the image +mkdir -p /var/lib/machines +mount -t tmpfs tmpfs /var/lib/machines + +testcase_check_bind_tmp_path() { + # https://github.com/systemd/systemd/issues/4789 + local root + + root="$(mktemp -d /var/lib/machines/testsuite-13.bind-tmp-path.XXX)" + "$CREATE_BB_CONTAINER" "$root" + : >/tmp/bind + systemd-nspawn --register=no \ + --directory="$root" \ + --bind=/tmp/bind \ + /bin/sh -c 'test -e /tmp/bind' + + rm -fr "$root" /tmp/bind +} + +testcase_check_norbind() { + # https://github.com/systemd/systemd/issues/13170 + local root + + root="$(mktemp -d /var/lib/machines/testsuite-13.norbind-path.XXX)" + mkdir -p /tmp/binddir/subdir + echo -n "outer" >/tmp/binddir/subdir/file + mount -t tmpfs tmpfs /tmp/binddir/subdir + echo -n "inner" >/tmp/binddir/subdir/file + "$CREATE_BB_CONTAINER" "$root" + + systemd-nspawn --register=no \ + --directory="$root" \ + --bind=/tmp/binddir:/mnt:norbind \ + /bin/sh -c 'CONTENT=$(cat /mnt/subdir/file); if [[ $CONTENT != "outer" ]]; then echo "*** unexpected content: $CONTENT"; return 1; fi' + + umount /tmp/binddir/subdir + rm -fr "$root" /tmp/binddir/ +} + +check_rootidmap_cleanup() { + local dir="${1:?}" + + mountpoint -q "$dir/bind" && umount "$dir/bind" + rm -fr "$dir" +} + +testcase_check_rootidmap() { + local root cmd permissions + local owner=1000 + + root="$(mktemp -d /var/lib/machines/testsuite-13.rootidmap-path.XXX)" + # Create ext4 image, as ext4 supports idmapped-mounts. + mkdir -p /tmp/rootidmap/bind + dd if=/dev/zero of=/tmp/rootidmap/ext4.img bs=4k count=2048 + mkfs.ext4 /tmp/rootidmap/ext4.img + mount /tmp/rootidmap/ext4.img /tmp/rootidmap/bind + trap "check_rootidmap_cleanup /tmp/rootidmap/" RETURN + + touch /tmp/rootidmap/bind/file + chown -R "$owner:$owner" /tmp/rootidmap/bind + + "$CREATE_BB_CONTAINER" "$root" + cmd='PERMISSIONS=$(stat -c "%u:%g" /mnt/file); if [[ $PERMISSIONS != "0:0" ]]; then echo "*** wrong permissions: $PERMISSIONS"; return 1; fi; touch /mnt/other_file' + if ! SYSTEMD_LOG_TARGET=console \ + systemd-nspawn --register=no \ + --directory="$root" \ + --bind=/tmp/rootidmap/bind:/mnt:rootidmap \ + /bin/sh -c "$cmd" |& tee nspawn.out; then + if grep -q "Failed to map ids for bind mount.*: Function not implemented" nspawn.out; then + echo "idmapped mounts are not supported, skipping the test..." + return 0 + fi + + return 1 + fi + + permissions=$(stat -c "%u:%g" /tmp/rootidmap/bind/other_file) + if [[ $permissions != "$owner:$owner" ]]; then + echo "*** wrong permissions: $permissions" + [[ "$IS_USERNS_SUPPORTED" == "yes" ]] && return 1 + fi +} + +testcase_check_notification_socket() { + # https://github.com/systemd/systemd/issues/4944 + local cmd='echo a | $(busybox which nc) -U -u -w 1 /run/host/notify' + + # /testsuite-13.nc-container is prepared by test.sh + systemd-nspawn --register=no --directory=/testsuite-13.nc-container /bin/sh -x -c "$cmd" + systemd-nspawn --register=no --directory=/testsuite-13.nc-container -U /bin/sh -x -c "$cmd" +} + +testcase_check_os_release() { + local root entrypoint os_release_source + + root="$(mktemp -d /var/lib/machines/testsuite-13.check-os-release.XXX)" + "$CREATE_BB_CONTAINER" "$root" + entrypoint="$root/entrypoint.sh" + cat >"$entrypoint" <<\EOF +#!/bin/sh -ex + +. /tmp/os-release +[[ -n "${ID:-}" && "$ID" != "$container_host_id" ]] && exit 1 +[[ -n "${VERSION_ID:-}" && "$VERSION_ID" != "$container_host_version_id" ]] && exit 1 +[[ -n "${BUILD_ID:-}" && "$BUILD_ID" != "$container_host_build_id" ]] && exit 1 +[[ -n "${VARIANT_ID:-}" && "$VARIANT_ID" != "$container_host_variant_id" ]] && exit 1 + +cd /tmp +(cd /run/host && md5sum os-release) | md5sum -c +EOF + chmod +x "$entrypoint" + + os_release_source="/etc/os-release" + if [[ ! -r "$os_release_source" ]]; then + os_release_source="/usr/lib/os-release" + elif [[ -L "$os_release_source" ]]; then + # Ensure that /etc always wins if available + cp --remove-destination -fv /usr/lib/os-release /etc/os-release + echo MARKER=1 >>/etc/os-release + fi + + systemd-nspawn --register=no \ + --directory="$root" \ + --bind="$os_release_source:/tmp/os-release" \ + "${entrypoint##"$root"}" + + if grep -q MARKER /etc/os-release; then + ln -svrf /usr/lib/os-release /etc/os-release + fi + + rm -fr "$root" +} + +testcase_check_machinectl_bind() { + local service_path service_name root container_name ec + local cmd='for i in $(seq 1 20); do if test -f /tmp/marker; then exit 0; fi; usleep 500000; done; exit 1;' + + root="$(mktemp -d /var/lib/machines/testsuite-13.check-machinectl-bind.XXX)" + "$CREATE_BB_CONTAINER" "$root" + container_name="${root##*/}" + + service_path="$(mktemp /run/systemd/system/nspawn-machinectl-bind-XXX.service)" + service_name="${service_path##*/}" + cat >"$service_path" </dev/null || ! selinuxenabled; then + echo >&2 "SELinux is not enabled, skipping SELinux-related tests" + return 0 + fi + + local root + + root="$(mktemp -d /var/lib/machines/testsuite-13.check-selinux.XXX)" + "$CREATE_BB_CONTAINER" "$root" + chcon -R -t container_t "$root" + + systemd-nspawn --register=no \ + --boot \ + --directory="$root" \ + --selinux-apifs-context=system_u:object_r:container_file_t:s0:c0,c1 \ + --selinux-context=system_u:system_r:container_t:s0:c0,c1 + + rm -fr "$root" +} + +testcase_check_ephemeral_config() { + # https://github.com/systemd/systemd/issues/13297 + local root container_name + + root="$(mktemp -d /var/lib/machines/testsuite-13.check-ephemeral-config.XXX)" + "$CREATE_BB_CONTAINER" "$root" + container_name="${root##*/}" + + mkdir -p /run/systemd/nspawn/ + cat >"/run/systemd/nspawn/$container_name.nspawn" <&2 "Unified cgroup hierarchy is not supported, skipping..." + return 0 + fi + + if [[ "$use_cgns" == "yes" && "$IS_CGNS_SUPPORTED" == "no" ]]; then + echo >&2 "CGroup namespaces are not supported, skipping..." + return 0 + fi + + root="$(mktemp -d "/var/lib/machines/testsuite-13.unified-$1-cgns-$2-api-vfs-writable-$3.XXX")" + "$CREATE_BB_CONTAINER" "$root" + + SYSTEMD_NSPAWN_UNIFIED_HIERARCHY="$cgroupsv2" SYSTEMD_NSPAWN_USE_CGNS="$use_cgns" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$api_vfs_writable" \ + systemd-nspawn --register=no \ + --directory="$root" \ + --boot + + SYSTEMD_NSPAWN_UNIFIED_HIERARCHY="$cgroupsv2" SYSTEMD_NSPAWN_USE_CGNS="$use_cgns" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$api_vfs_writable" \ + systemd-nspawn --register=no \ + --directory="$root" \ + --private-network \ + --boot + + if SYSTEMD_NSPAWN_UNIFIED_HIERARCHY="$cgroupsv2" SYSTEMD_NSPAWN_USE_CGNS="$use_cgns" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$api_vfs_writable" \ + systemd-nspawn --register=no \ + --directory="$root" \ + --private-users=pick \ + --boot; then + [[ "$IS_USERNS_SUPPORTED" == "yes" && "$api_vfs_writable" == "network" ]] && return 1 + else + [[ "$IS_USERNS_SUPPORTED" == "no" && "$api_vfs_writable" = "network" ]] && return 1 + fi + + if SYSTEMD_NSPAWN_UNIFIED_HIERARCHY="$cgroupsv2" SYSTEMD_NSPAWN_USE_CGNS="$use_cgns" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$api_vfs_writable" \ + systemd-nspawn --register=no \ + --directory="$root" \ + --private-network \ + --private-users=pick \ + --boot; then + [[ "$IS_USERNS_SUPPORTED" == "yes" && "$api_vfs_writable" == "yes" ]] && return 1 + else + [[ "$IS_USERNS_SUPPORTED" == "no" && "$api_vfs_writable" = "yes" ]] && return 1 + fi + + local netns_opt="--network-namespace-path=/proc/self/ns/net" + local net_opt + local net_opts=( + "--network-bridge=lo" + "--network-interface=lo" + "--network-ipvlan=lo" + "--network-macvlan=lo" + "--network-veth" + "--network-veth-extra=lo" + "--network-zone=zone" + ) + + # --network-namespace-path and network-related options cannot be used together + for net_opt in "${net_opts[@]}"; do + echo "$netns_opt in combination with $net_opt should fail" + if SYSTEMD_NSPAWN_UNIFIED_HIERARCHY="$cgroupsv2" SYSTEMD_NSPAWN_USE_CGNS="$use_cgns" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$api_vfs_writable" \ + systemd-nspawn --register=no \ + --directory="$root" \ + --boot \ + "$netns_opt" \ + "$net_opt"; then + echo >&2 "unexpected pass" + return 1 + fi + done + + # allow combination of --network-namespace-path and --private-network + SYSTEMD_NSPAWN_UNIFIED_HIERARCHY="$cgroupsv2" SYSTEMD_NSPAWN_USE_CGNS="$use_cgns" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$api_vfs_writable" \ + systemd-nspawn --register=no \ + --directory="$root" \ + --boot \ + --private-network \ + "$netns_opt" + + # test --network-namespace-path works with a network namespace created by "ip netns" + ip netns add nspawn_test + netns_opt="--network-namespace-path=/run/netns/nspawn_test" + SYSTEMD_NSPAWN_UNIFIED_HIERARCHY="$cgroupsv2" SYSTEMD_NSPAWN_USE_CGNS="$use_cgns" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$api_vfs_writable" \ + systemd-nspawn --register=no \ + --directory="$root" \ + --network-namespace-path=/run/netns/nspawn_test \ + /bin/ip a | grep -v -E '^1: lo.*UP' + ip netns del nspawn_test + + rm -fr "$root" + + return 0 +} + +# Create a list of all functions prefixed with testcase_ +mapfile -t TESTCASES < <(declare -F | awk '$3 ~ /^testcase_/ {print $3;}') + +if [[ "${#TESTCASES[@]}" -eq 0 ]]; then + echo >&2 "No test cases found, this is most likely an error" + exit 1 +fi + +for testcase in "${TESTCASES[@]}"; do + "$testcase" +done + +for api_vfs_writable in yes no network; do + matrix_run_one no no $api_vfs_writable + matrix_run_one yes no $api_vfs_writable + matrix_run_one no yes $api_vfs_writable + matrix_run_one yes yes $api_vfs_writable +done diff --git a/test/units/testsuite-13.sh b/test/units/testsuite-13.sh index 0a4b102f032..5a07e7b78c2 100755 --- a/test/units/testsuite-13.sh +++ b/test/units/testsuite-13.sh @@ -1,376 +1,14 @@ #!/usr/bin/env bash # SPDX-License-Identifier: LGPL-2.1-or-later -# shellcheck disable=SC2016 set -eux set -o pipefail -export SYSTEMD_LOG_LEVEL=debug -export SYSTEMD_LOG_TARGET=journal -CREATE_BB_CONTAINER="/usr/lib/systemd/tests/testdata/create-busybox-container" +# shellcheck source=test/units/test-control.sh +. "$(dirname "$0")"/test-control.sh -at_exit() { - set +e +: >/failed - mountpoint -q /var/lib/machines && umount /var/lib/machines -} - -trap at_exit EXIT - -# check cgroup-v2 -IS_CGROUPSV2_SUPPORTED=no -mkdir -p /tmp/cgroup2 -if mount -t cgroup2 cgroup2 /tmp/cgroup2; then - IS_CGROUPSV2_SUPPORTED=yes - umount /tmp/cgroup2 -fi -rmdir /tmp/cgroup2 - -# check cgroup namespaces -IS_CGNS_SUPPORTED=no -if [[ -f /proc/1/ns/cgroup ]]; then - IS_CGNS_SUPPORTED=yes -fi - -IS_USERNS_SUPPORTED=no -# On some systems (e.g. CentOS 7) the default limit for user namespaces -# is set to 0, which causes the following unshare syscall to fail, even -# with enabled user namespaces support. By setting this value explicitly -# we can ensure the user namespaces support to be detected correctly. -sysctl -w user.max_user_namespaces=10000 -if unshare -U sh -c :; then - IS_USERNS_SUPPORTED=yes -fi - -# Mount tmpfs over /var/lib/machines to not pollute the image -mkdir -p /var/lib/machines -mount -t tmpfs tmpfs /var/lib/machines - -testcase_check_bind_tmp_path() { - # https://github.com/systemd/systemd/issues/4789 - local root - - root="$(mktemp -d /var/lib/machines/testsuite-13.bind-tmp-path.XXX)" - "$CREATE_BB_CONTAINER" "$root" - : >/tmp/bind - systemd-nspawn --register=no \ - --directory="$root" \ - --bind=/tmp/bind \ - /bin/sh -c 'test -e /tmp/bind' - - rm -fr "$root" /tmp/bind -} - -testcase_check_norbind() { - # https://github.com/systemd/systemd/issues/13170 - local root - - root="$(mktemp -d /var/lib/machines/testsuite-13.norbind-path.XXX)" - mkdir -p /tmp/binddir/subdir - echo -n "outer" >/tmp/binddir/subdir/file - mount -t tmpfs tmpfs /tmp/binddir/subdir - echo -n "inner" >/tmp/binddir/subdir/file - "$CREATE_BB_CONTAINER" "$root" - - systemd-nspawn --register=no \ - --directory="$root" \ - --bind=/tmp/binddir:/mnt:norbind \ - /bin/sh -c 'CONTENT=$(cat /mnt/subdir/file); if [[ $CONTENT != "outer" ]]; then echo "*** unexpected content: $CONTENT"; return 1; fi' - - umount /tmp/binddir/subdir - rm -fr "$root" /tmp/binddir/ -} - -check_rootidmap_cleanup() { - local dir="${1:?}" - - mountpoint -q "$dir/bind" && umount "$dir/bind" - rm -fr "$dir" -} - -testcase_check_rootidmap() { - local root cmd permissions - local owner=1000 - - root="$(mktemp -d /var/lib/machines/testsuite-13.rootidmap-path.XXX)" - # Create ext4 image, as ext4 supports idmapped-mounts. - mkdir -p /tmp/rootidmap/bind - dd if=/dev/zero of=/tmp/rootidmap/ext4.img bs=4k count=2048 - mkfs.ext4 /tmp/rootidmap/ext4.img - mount /tmp/rootidmap/ext4.img /tmp/rootidmap/bind - trap "check_rootidmap_cleanup /tmp/rootidmap/" RETURN - - touch /tmp/rootidmap/bind/file - chown -R "$owner:$owner" /tmp/rootidmap/bind - - "$CREATE_BB_CONTAINER" "$root" - cmd='PERMISSIONS=$(stat -c "%u:%g" /mnt/file); if [[ $PERMISSIONS != "0:0" ]]; then echo "*** wrong permissions: $PERMISSIONS"; return 1; fi; touch /mnt/other_file' - if ! SYSTEMD_LOG_TARGET=console \ - systemd-nspawn --register=no \ - --directory="$root" \ - --bind=/tmp/rootidmap/bind:/mnt:rootidmap \ - /bin/sh -c "$cmd" |& tee nspawn.out; then - if grep -q "Failed to map ids for bind mount.*: Function not implemented" nspawn.out; then - echo "idmapped mounts are not supported, skipping the test..." - return 0 - fi - - return 1 - fi - - permissions=$(stat -c "%u:%g" /tmp/rootidmap/bind/other_file) - if [[ $permissions != "$owner:$owner" ]]; then - echo "*** wrong permissions: $permissions" - [[ "$IS_USERNS_SUPPORTED" == "yes" ]] && return 1 - fi -} - -testcase_check_notification_socket() { - # https://github.com/systemd/systemd/issues/4944 - local cmd='echo a | $(busybox which nc) -U -u -w 1 /run/host/notify' - - # /testsuite-13.nc-container is prepared by test.sh - systemd-nspawn --register=no --directory=/testsuite-13.nc-container /bin/sh -x -c "$cmd" - systemd-nspawn --register=no --directory=/testsuite-13.nc-container -U /bin/sh -x -c "$cmd" -} - -testcase_check_os_release() { - local root entrypoint os_release_source - - root="$(mktemp -d /var/lib/machines/testsuite-13.check-os-release.XXX)" - "$CREATE_BB_CONTAINER" "$root" - entrypoint="$root/entrypoint.sh" - cat >"$entrypoint" <<\EOF -#!/bin/sh -ex - -. /tmp/os-release -[[ -n "${ID:-}" && "$ID" != "$container_host_id" ]] && exit 1 -[[ -n "${VERSION_ID:-}" && "$VERSION_ID" != "$container_host_version_id" ]] && exit 1 -[[ -n "${BUILD_ID:-}" && "$BUILD_ID" != "$container_host_build_id" ]] && exit 1 -[[ -n "${VARIANT_ID:-}" && "$VARIANT_ID" != "$container_host_variant_id" ]] && exit 1 - -cd /tmp -(cd /run/host && md5sum os-release) | md5sum -c -EOF - chmod +x "$entrypoint" - - os_release_source="/etc/os-release" - if [[ ! -r "$os_release_source" ]]; then - os_release_source="/usr/lib/os-release" - elif [[ -L "$os_release_source" ]]; then - # Ensure that /etc always wins if available - cp --remove-destination -fv /usr/lib/os-release /etc/os-release - echo MARKER=1 >>/etc/os-release - fi - - systemd-nspawn --register=no \ - --directory="$root" \ - --bind="$os_release_source:/tmp/os-release" \ - "${entrypoint##"$root"}" - - if grep -q MARKER /etc/os-release; then - ln -svrf /usr/lib/os-release /etc/os-release - fi - - rm -fr "$root" -} - -testcase_check_machinectl_bind() { - local service_path service_name root container_name ec - local cmd='for i in $(seq 1 20); do if test -f /tmp/marker; then exit 0; fi; usleep 500000; done; exit 1;' - - root="$(mktemp -d /var/lib/machines/testsuite-13.check-machinectl-bind.XXX)" - "$CREATE_BB_CONTAINER" "$root" - container_name="${root##*/}" - - service_path="$(mktemp /run/systemd/system/nspawn-machinectl-bind-XXX.service)" - service_name="${service_path##*/}" - cat >"$service_path" </dev/null || ! selinuxenabled; then - echo >&2 "SELinux is not enabled, skipping SELinux-related tests" - return 0 - fi - - local root - - root="$(mktemp -d /var/lib/machines/testsuite-13.check-selinux.XXX)" - "$CREATE_BB_CONTAINER" "$root" - chcon -R -t container_t "$root" - - systemd-nspawn --register=no \ - --boot \ - --directory="$root" \ - --selinux-apifs-context=system_u:object_r:container_file_t:s0:c0,c1 \ - --selinux-context=system_u:system_r:container_t:s0:c0,c1 - - rm -fr "$root" -} - -testcase_check_ephemeral_config() { - # https://github.com/systemd/systemd/issues/13297 - local root container_name - - root="$(mktemp -d /var/lib/machines/testsuite-13.check-ephemeral-config.XXX)" - "$CREATE_BB_CONTAINER" "$root" - container_name="${root##*/}" - - mkdir -p /run/systemd/nspawn/ - cat >"/run/systemd/nspawn/$container_name.nspawn" <&2 "Unified cgroup hierarchy is not supported, skipping..." - return 0 - fi - - if [[ "$use_cgns" == "yes" && "$IS_CGNS_SUPPORTED" == "no" ]]; then - echo >&2 "CGroup namespaces are not supported, skipping..." - return 0 - fi - - root="$(mktemp -d "/var/lib/machines/testsuite-13.unified-$1-cgns-$2-api-vfs-writable-$3.XXX")" - "$CREATE_BB_CONTAINER" "$root" - - SYSTEMD_NSPAWN_UNIFIED_HIERARCHY="$cgroupsv2" SYSTEMD_NSPAWN_USE_CGNS="$use_cgns" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$api_vfs_writable" \ - systemd-nspawn --register=no \ - --directory="$root" \ - --boot - - SYSTEMD_NSPAWN_UNIFIED_HIERARCHY="$cgroupsv2" SYSTEMD_NSPAWN_USE_CGNS="$use_cgns" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$api_vfs_writable" \ - systemd-nspawn --register=no \ - --directory="$root" \ - --private-network \ - --boot - - if SYSTEMD_NSPAWN_UNIFIED_HIERARCHY="$cgroupsv2" SYSTEMD_NSPAWN_USE_CGNS="$use_cgns" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$api_vfs_writable" \ - systemd-nspawn --register=no \ - --directory="$root" \ - --private-users=pick \ - --boot; then - [[ "$IS_USERNS_SUPPORTED" == "yes" && "$api_vfs_writable" == "network" ]] && return 1 - else - [[ "$IS_USERNS_SUPPORTED" == "no" && "$api_vfs_writable" = "network" ]] && return 1 - fi - - if SYSTEMD_NSPAWN_UNIFIED_HIERARCHY="$cgroupsv2" SYSTEMD_NSPAWN_USE_CGNS="$use_cgns" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$api_vfs_writable" \ - systemd-nspawn --register=no \ - --directory="$root" \ - --private-network \ - --private-users=pick \ - --boot; then - [[ "$IS_USERNS_SUPPORTED" == "yes" && "$api_vfs_writable" == "yes" ]] && return 1 - else - [[ "$IS_USERNS_SUPPORTED" == "no" && "$api_vfs_writable" = "yes" ]] && return 1 - fi - - local netns_opt="--network-namespace-path=/proc/self/ns/net" - local net_opt - local net_opts=( - "--network-bridge=lo" - "--network-interface=lo" - "--network-ipvlan=lo" - "--network-macvlan=lo" - "--network-veth" - "--network-veth-extra=lo" - "--network-zone=zone" - ) - - # --network-namespace-path and network-related options cannot be used together - for net_opt in "${net_opts[@]}"; do - echo "$netns_opt in combination with $net_opt should fail" - if SYSTEMD_NSPAWN_UNIFIED_HIERARCHY="$cgroupsv2" SYSTEMD_NSPAWN_USE_CGNS="$use_cgns" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$api_vfs_writable" \ - systemd-nspawn --register=no \ - --directory="$root" \ - --boot \ - "$netns_opt" \ - "$net_opt"; then - echo >&2 "unexpected pass" - return 1 - fi - done - - # allow combination of --network-namespace-path and --private-network - SYSTEMD_NSPAWN_UNIFIED_HIERARCHY="$cgroupsv2" SYSTEMD_NSPAWN_USE_CGNS="$use_cgns" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$api_vfs_writable" \ - systemd-nspawn --register=no \ - --directory="$root" \ - --boot \ - --private-network \ - "$netns_opt" - - # test --network-namespace-path works with a network namespace created by "ip netns" - ip netns add nspawn_test - netns_opt="--network-namespace-path=/run/netns/nspawn_test" - SYSTEMD_NSPAWN_UNIFIED_HIERARCHY="$cgroupsv2" SYSTEMD_NSPAWN_USE_CGNS="$use_cgns" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$api_vfs_writable" \ - systemd-nspawn --register=no \ - --directory="$root" \ - --network-namespace-path=/run/netns/nspawn_test \ - /bin/ip a | grep -v -E '^1: lo.*UP' - ip netns del nspawn_test - - rm -fr "$root" - - return 0 -} - -# Create a list of all functions prefixed with testcase_ -mapfile -t TESTCASES < <(declare -F | awk '$3 ~ /^testcase_/ {print $3;}') - -if [[ "${#TESTCASES[@]}" -eq 0 ]]; then - echo >&2 "No test cases found, this is most likely an error" - exit 1 -fi - -for testcase in "${TESTCASES[@]}"; do - "$testcase" -done - -for api_vfs_writable in yes no network; do - matrix_run_one no no $api_vfs_writable - matrix_run_one yes no $api_vfs_writable - matrix_run_one no yes $api_vfs_writable - matrix_run_one yes yes $api_vfs_writable -done +run_subtests touch /testok +rm /failed