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-rwxr-xr-xtest/units/testsuite-13.sh268
1 files changed, 268 insertions, 0 deletions
diff --git a/test/units/testsuite-13.sh b/test/units/testsuite-13.sh
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@@ -0,0 +1,268 @@
+#!/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
+
+# check cgroup-v2
+is_v2_supported=no
+mkdir -p /tmp/cgroup2
+if mount -t cgroup2 cgroup2 /tmp/cgroup2; then
+ is_v2_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_user_ns_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_user_ns_supported=yes
+fi
+
+function check_bind_tmp_path {
+ # https://github.com/systemd/systemd/issues/4789
+ local _root="/var/lib/machines/testsuite-13.bind-tmp-path"
+ rm -rf "$_root"
+ /usr/lib/systemd/tests/testdata/create-busybox-container "$_root"
+ : >/tmp/bind
+ systemd-nspawn --register=no -D "$_root" --bind=/tmp/bind /bin/sh -c 'test -e /tmp/bind'
+}
+
+function check_norbind {
+ # https://github.com/systemd/systemd/issues/13170
+ local _root="/var/lib/machines/testsuite-13.norbind-path"
+ rm -rf "$_root"
+ 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
+ /usr/lib/systemd/tests/testdata/create-busybox-container "$_root"
+ systemd-nspawn --register=no -D "$_root" --bind=/tmp/binddir:/mnt:norbind /bin/sh -c 'CONTENT=$(cat /mnt/subdir/file); if [[ $CONTENT != "outer" ]]; then echo "*** unexpected content: $CONTENT"; return 1; fi'
+}
+
+function check_rootidmap {
+ local _owner=1000
+ local _root="/var/lib/machines/testsuite-13.rootidmap-path"
+ local _command
+ rm -rf "$_root"
+
+ # Create ext4 image, as ext4 supports idmapped-mounts.
+ dd if=/dev/zero of=/tmp/ext4.img bs=4k count=2048
+ mkfs.ext4 /tmp/ext4.img
+ mkdir -p /tmp/rootidmapdir
+ mount /tmp/ext4.img /tmp/rootidmapdir
+
+ touch /tmp/rootidmapdir/file
+ chown -R $_owner:$_owner /tmp/rootidmapdir
+
+ /usr/lib/systemd/tests/testdata/create-busybox-container "$_root"
+ _command='PERMISSIONS=$(stat -c "%u:%g" /mnt/file); if [[ $PERMISSIONS != "0:0" ]]; then echo "*** wrong permissions: $PERMISSIONS"; return 1; fi; touch /mnt/other_file'
+ if ! SYSTEMD_LOG_TARGET=console systemd-nspawn \
+ --register=no -D "$_root" \
+ --bind=/tmp/rootidmapdir:/mnt:rootidmap \
+ /bin/sh -c "$_command" |& tee nspawn.out; then
+ if grep -q "Failed to map ids for bind mount.*: Function not implemented" nspawn.out; then
+ echo "idmapped mounts are not supported, skipping the test..."
+ return 0
+ fi
+
+ return 1
+ fi
+
+ PERMISSIONS=$(stat -c "%u:%g" /tmp/rootidmapdir/other_file)
+ if [[ $PERMISSIONS != "$_owner:$_owner" ]]; then
+ echo "*** wrong permissions: $PERMISSIONS"
+ [[ "$is_user_ns_supported" = "yes" ]] && return 1
+ fi
+}
+
+function check_notification_socket {
+ # https://github.com/systemd/systemd/issues/4944
+ local _cmd='echo a | $(busybox which nc) -U -u -w 1 /run/host/notify'
+ # /testsuite-13.nc-container is prepared by test.sh
+ systemd-nspawn --register=no -D /testsuite-13.nc-container /bin/sh -x -c "$_cmd"
+ systemd-nspawn --register=no -D /testsuite-13.nc-container -U /bin/sh -x -c "$_cmd"
+}
+
+function check_os_release {
+ local _cmd='. /tmp/os-release
+if [ -n "${ID:+set}" ] && [ "${ID}" != "${container_host_id}" ]; then exit 1; fi
+if [ -n "${VERSION_ID:+set}" ] && [ "${VERSION_ID}" != "${container_host_version_id}" ]; then exit 1; fi
+if [ -n "${BUILD_ID:+set}" ] && [ "${BUILD_ID}" != "${container_host_build_id}" ]; then exit 1; fi
+if [ -n "${VARIANT_ID:+set}" ] && [ "${VARIANT_ID}" != "${container_host_variant_id}" ]; then exit 1; fi
+cd /tmp; (cd /run/host; md5sum os-release) | md5sum -c
+if echo test >>/run/host/os-release; then exit 1; fi
+'
+
+ local _os_release_source="/etc/os-release"
+ if [[ ! -r "${_os_release_source}" ]]; then
+ _os_release_source="/usr/lib/os-release"
+ elif [[ -L "${_os_release_source}" ]] && rm /etc/os-release; then
+ # Ensure that /etc always wins if available
+ cp /usr/lib/os-release /etc
+ echo MARKER=1 >>/etc/os-release
+ fi
+
+ systemd-nspawn --register=no -D /testsuite-13.nc-container --bind="${_os_release_source}":/tmp/os-release /bin/sh -x -e -c "$_cmd"
+
+ if grep -q MARKER /etc/os-release; then
+ rm /etc/os-release
+ ln -s ../usr/lib/os-release /etc/os-release
+ fi
+}
+
+function check_machinectl_bind {
+ local _cmd='for i in $(seq 1 20); do if test -f /tmp/marker; then exit 0; fi; usleep 500000; done; exit 1;'
+
+ cat >/run/systemd/system/nspawn_machinectl_bind.service <<EOF
+[Service]
+Type=notify
+ExecStart=systemd-nspawn ${SUSE_OPTS[@]} -D /testsuite-13.nc-container --notify-ready=no /bin/sh -x -e -c "$_cmd"
+EOF
+
+ systemctl start nspawn_machinectl_bind.service
+
+ touch /tmp/marker
+
+ machinectl bind --mkdir testsuite-13.nc-container /tmp/marker
+
+ while systemctl show -P SubState nspawn_machinectl_bind.service | grep -q running
+ do
+ sleep 0.1
+ done
+
+ return "$(systemctl show -P ExecMainStatus nspawn_machinectl_bind.service)"
+}
+
+function check_selinux {
+ if ! command -v selinuxenabled >/dev/null || ! selinuxenabled; then
+ echo >&2 "SELinux is not enabled, skipping SELinux-related tests"
+ return 0
+ fi
+
+ # Basic test coverage to avoid issues like https://github.com/systemd/systemd/issues/19976
+ systemd-nspawn "${SUSE_OPTS[@]}" --register=no -b -D /testsuite-13.nc-container --selinux-apifs-context=system_u:object_r:container_file_t:s0:c0,c1 --selinux-context=system_u:system_r:container_t:s0:c0,c1
+}
+
+function check_ephemeral_config {
+ # https://github.com/systemd/systemd/issues/13297
+
+ mkdir -p /run/systemd/nspawn/
+ cat >/run/systemd/nspawn/testsuite-13.nc-container.nspawn <<EOF
+[Files]
+BindReadOnly=/tmp/ephemeral-config
+EOF
+ touch /tmp/ephemeral-config
+
+ # /testsuite-13.nc-container is prepared by test.sh
+ systemd-nspawn --register=no -D /testsuite-13.nc-container --ephemeral /bin/sh -x -c "test -f /tmp/ephemeral-config"
+
+ systemd-nspawn --register=no -D /testsuite-13.nc-container --ephemeral --machine foobar /bin/sh -x -c "! test -f /tmp/ephemeral-config"
+
+ rm -f /run/systemd/nspawn/testsuite-13.nc-container.nspawn
+}
+
+function run {
+ if [[ "$1" = "yes" && "$is_v2_supported" = "no" ]]; then
+ printf "Unified cgroup hierarchy is not supported. Skipping.\n" >&2
+ return 0
+ fi
+ if [[ "$2" = "yes" && "$is_cgns_supported" = "no" ]]; then
+ printf "CGroup namespaces are not supported. Skipping.\n" >&2
+ return 0
+ fi
+
+ local _root="/var/lib/machines/testsuite-13.unified-$1-cgns-$2-api-vfs-writable-$3"
+ rm -rf "$_root"
+ /usr/lib/systemd/tests/testdata/create-busybox-container "$_root"
+ SYSTEMD_NSPAWN_UNIFIED_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" -b
+ SYSTEMD_NSPAWN_UNIFIED_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" --private-network -b
+
+ if SYSTEMD_NSPAWN_UNIFIED_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" -U -b; then
+ [[ "$is_user_ns_supported" = "yes" && "$3" = "network" ]] && return 1
+ else
+ [[ "$is_user_ns_supported" = "no" && "$3" = "network" ]] && return 1
+ fi
+
+ if SYSTEMD_NSPAWN_UNIFIED_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" --private-network -U -b; then
+ [[ "$is_user_ns_supported" = "yes" && "$3" = "yes" ]] && return 1
+ else
+ [[ "$is_user_ns_supported" = "no" && "$3" = "yes" ]] && return 1
+ fi
+
+ local _netns_opt="--network-namespace-path=/proc/self/ns/net"
+ local _net_opts=(
+ "--network-bridge=lo"
+ "--network-interface=lo"
+ "--network-ipvlan=lo"
+ "--network-macvlan=lo"
+ "--network-veth"
+ "--network-veth-extra=lo"
+ "--network-zone=zone"
+ )
+
+ # --network-namespace-path and network-related options cannot be used together
+ for netopt in "${_net_opts[@]}"; do
+ echo "$_netns_opt in combination with $netopt should fail"
+ if SYSTEMD_NSPAWN_UNIFIED_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" -b "$_netns_opt" "$netopt"; then
+ echo >&2 "unexpected pass"
+ return 1
+ fi
+ done
+
+ # allow combination of --network-namespace-path and --private-network
+ if ! SYSTEMD_NSPAWN_UNIFIED_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" -b "$_netns_opt" --private-network; then
+ return 1
+ fi
+
+ # 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="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" "$_netns_opt" /bin/ip a | grep -v -E '^1: lo.*UP'
+ local r=$?
+ ip netns del nspawn_test
+
+ if [[ $r -ne 0 ]]; then
+ return 1
+ fi
+
+ return 0
+}
+
+check_bind_tmp_path
+
+check_norbind
+
+check_rootidmap
+
+check_notification_socket
+
+check_os_release
+
+for api_vfs_writable in yes no network; do
+ run no no $api_vfs_writable
+ run yes no $api_vfs_writable
+ run no yes $api_vfs_writable
+ run yes yes $api_vfs_writable
+done
+
+check_machinectl_bind
+
+check_selinux
+
+check_ephemeral_config
+
+touch /testok
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 04:12:17 +0000