3 TEST_DESCRIPTION
="systemd-nspawn smoke test"
6 .
$TEST_BASE_DIR/test-functions
10 mkdir
-p $TESTDIR/root
11 mount
${LOOPDEV}p1
$TESTDIR/root
13 # Create what will eventually be our root filesystem onto an overlay
16 eval $
(udevadm info
--export --query=env
--name=${LOOPDEV}p2
)
18 setup_basic_environment
19 dracut_install busybox
chmod rmdir unshare ip sysctl
21 # mask some services that we do not want to run in these tests
22 ln -fs /dev
/null
$initdir/etc
/systemd
/system
/systemd-hwdb-update.service
23 ln -fs /dev
/null
$initdir/etc
/systemd
/system
/systemd-journal-catalog-update.service
24 ln -fs /dev
/null
$initdir/etc
/systemd
/system
/systemd-networkd.service
25 ln -fs /dev
/null
$initdir/etc
/systemd
/system
/systemd-networkd.socket
26 ln -fs /dev
/null
$initdir/etc
/systemd
/system
/systemd-resolved.service
27 ln -fs /dev
/null
$initdir/etc
/systemd
/system
/systemd-machined.service
29 cp create-busybox-container
$initdir/
31 .
/create-busybox-container
$initdir/nc-container
32 initdir
="$initdir/nc-container" dracut_install nc ip
34 # setup the testsuite service
35 cat >$initdir/etc
/systemd
/system
/testsuite.service
<<EOF
37 Description=Testsuite service
40 ExecStart=/test-nspawn.sh
46 cat >$initdir/test-nspawn.sh
<<'EOF'
53 export SYSTEMD_LOG_LEVEL=debug
58 if mount -t cgroup2 cgroup2 /tmp/cgroup2; then
64 # check cgroup namespaces
66 if [[ -f /proc/1/ns/cgroup ]]; then
70 is_user_ns_supported=no
71 # On some systems (e.g. CentOS 7) the default limit for user namespaces
72 # is set to 0, which causes the following unshare syscall to fail, even
73 # with enabled user namespaces support. By setting this value explicitly
74 # we can ensure the user namespaces support to be detected correctly.
75 sysctl -w user.max_user_namespaces=10000
76 if unshare -U sh -c :; then
77 is_user_ns_supported=yes
80 function check_bind_tmp_path {
81 # https://github.com/systemd/systemd/issues/4789
82 local _root="/var/lib/machines/bind-tmp-path"
83 /create-busybox-container "$_root"
85 systemd-nspawn --register=no -D "$_root" --bind=/tmp/bind /bin/sh -c 'test -e /tmp/bind'
88 function check_notification_socket {
89 # https://github.com/systemd/systemd/issues/4944
90 local _cmd='echo a | $(busybox which nc) -U -u -w 1 /run/systemd/nspawn/notify'
91 systemd-nspawn --register=no -D /nc-container /bin/sh -x -c "$_cmd"
92 systemd-nspawn --register=no -D /nc-container -U /bin/sh -x -c "$_cmd"
96 if [[ "$1" = "yes" && "$is_v2_supported" = "no" ]]; then
97 printf "Unified cgroup hierarchy is not supported. Skipping.\n" >&2
100 if [[ "$2" = "yes" && "$is_cgns_supported" = "no" ]]; then
101 printf "CGroup namespaces are not supported. Skipping.\n" >&2
105 local _root="/var/lib/machines/unified-$1-cgns-$2-api-vfs-writable-$3"
106 /create-busybox-container "$_root"
107 UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" -b
108 UNIFIED_CGROUP_HIERARCHY="$1" SYSTEMD_NSPAWN_USE_CGNS="$2" SYSTEMD_NSPAWN_API_VFS_WRITABLE="$3" systemd-nspawn --register=no -D "$_root" --private-network -b
110 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
111 [[ "$is_user_ns_supported" = "yes" && "$3" = "network" ]] && return 1
113 [[ "$is_user_ns_supported" = "no" && "$3" = "network" ]] && return 1
116 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
117 [[ "$is_user_ns_supported" = "yes" && "$3" = "yes" ]] && return 1
119 [[ "$is_user_ns_supported" = "no" && "$3" = "yes" ]] && return 1
122 local _netns_opt="--network-namespace-path=/proc/self/ns/net"
124 # --network-namespace-path and network-related options cannot be used together
125 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
129 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
133 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
137 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
141 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
145 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
149 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
153 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
157 # test --network-namespace-path works with a network namespace created by "ip netns"
158 ip netns add nspawn_test
159 _netns_opt="--network-namespace-path=/run/netns/nspawn_test"
160 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'
162 ip netns del nspawn_test
164 if [ $r -ne 0 ]; then
173 check_notification_socket
175 for api_vfs_writable in yes no network; do
176 run no no $api_vfs_writable
177 run yes no $api_vfs_writable
178 run no yes $api_vfs_writable
179 run yes yes $api_vfs_writable
185 chmod 0755 $initdir/test-nspawn.sh
189 ddebug
"umount $TESTDIR/root"