diff options
Diffstat (limited to '')
| -rwxr-xr-x | test/TEST-13-NSPAWN-SMOKE/test.sh | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/test/TEST-13-NSPAWN-SMOKE/test.sh b/test/TEST-13-NSPAWN-SMOKE/test.sh new file mode 100755 index 0000000..774b7cb --- /dev/null +++ b/test/TEST-13-NSPAWN-SMOKE/test.sh @@ -0,0 +1,195 @@ +#!/bin/bash +# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*- +# ex: ts=8 sw=4 sts=4 et filetype=sh +set -e +TEST_DESCRIPTION="systemd-nspawn smoke test" +TEST_NO_NSPAWN=1 + +. $TEST_BASE_DIR/test-functions + +test_setup() { + create_empty_image + mkdir -p $TESTDIR/root + mount ${LOOPDEV}p1 $TESTDIR/root + + # Create what will eventually be our root filesystem onto an overlay + ( + LOG_LEVEL=5 + eval $(udevadm info --export --query=env --name=${LOOPDEV}p2) + + setup_basic_environment + dracut_install busybox chmod rmdir unshare ip sysctl + + # mask some services that we do not want to run in these tests + ln -fs /dev/null $initdir/etc/systemd/system/systemd-hwdb-update.service + ln -fs /dev/null $initdir/etc/systemd/system/systemd-journal-catalog-update.service + ln -fs /dev/null $initdir/etc/systemd/system/systemd-networkd.service + ln -fs /dev/null $initdir/etc/systemd/system/systemd-networkd.socket + ln -fs /dev/null $initdir/etc/systemd/system/systemd-resolved.service + ln -fs /dev/null $initdir/etc/systemd/system/systemd-machined.service + + cp create-busybox-container $initdir/ + + ./create-busybox-container $initdir/nc-container + initdir="$initdir/nc-container" dracut_install nc ip + + # setup the testsuite service + cat >$initdir/etc/systemd/system/testsuite.service <<EOF +[Unit] +Description=Testsuite service + +[Service] +ExecStart=/test-nspawn.sh +Type=oneshot +StandardOutput=tty +StandardError=tty +EOF + + cat >$initdir/test-nspawn.sh <<'EOF' +#!/bin/bash +set -x +set -e +set -u +set -o pipefail + +export SYSTEMD_LOG_LEVEL=debug + +# 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/bind-tmp-path" + /create-busybox-container "$_root" + >/tmp/bind + systemd-nspawn --register=no -D "$_root" --bind=/tmp/bind /bin/sh -c 'test -e /tmp/bind' +} + +function check_notification_socket { + # https://github.com/systemd/systemd/issues/4944 + local _cmd='echo a | $(busybox which nc) -U -u -w 1 /run/systemd/nspawn/notify' + systemd-nspawn --register=no -D /nc-container /bin/sh -x -c "$_cmd" + systemd-nspawn --register=no -D /nc-container -U /bin/sh -x -c "$_cmd" +} + +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/unified-$1-cgns-$2-api-vfs-writable-$3" + /create-busybox-container "$_root" + UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" -b + UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" --private-network -b + + if UNIFIED_CGROUP_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 UNIFIED_CGROUP_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" + + # --network-namespace-path and network-related options cannot be used together + if UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" "$_netns_opt" --network-interface=lo -b; then + return 1 + fi + + if UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" "$_netns_opt" --network-macvlan=lo -b; then + return 1 + fi + + if UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" "$_netns_opt" --network-ipvlan=lo -b; then + return 1 + fi + + if UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" "$_netns_opt" --network-veth -b; then + return 1 + fi + + if UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" "$_netns_opt" --network-veth-extra=lo -b; then + return 1 + fi + + if UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" "$_netns_opt" --network-bridge=lo -b; then + return 1 + fi + + if UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" "$_netns_opt" --network-zone=zone -b; then + return 1 + fi + + if UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" "$_netns_opt" --private-network -b; 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" + UNIFIED_CGROUP_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_notification_socket + +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 + +touch /testok +EOF + + chmod 0755 $initdir/test-nspawn.sh + setup_testsuite + ) || return 1 + + ddebug "umount $TESTDIR/root" + umount $TESTDIR/root +} + +do_test "$@" |