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#!/bin/bash
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh
TEST_DESCRIPTION="systemd-nspawn smoke test"
SKIP_INITRD=yes
. $TEST_BASE_DIR/test-functions
check_result_qemu() {
ret=1
mkdir -p $TESTDIR/root
mount ${LOOPDEV}p1 $TESTDIR/root
[[ -e $TESTDIR/root/testok ]] && ret=0
[[ -f $TESTDIR/root/failed ]] && cp -a $TESTDIR/root/failed $TESTDIR
cp -a $TESTDIR/root/var/log/journal $TESTDIR
umount $TESTDIR/root
[[ -f $TESTDIR/failed ]] && cat $TESTDIR/failed
ls -l $TESTDIR/journal/*/*.journal
test -s $TESTDIR/failed && ret=$(($ret+1))
return $ret
}
test_run() {
if run_qemu; then
check_result_qemu || return 1
else
dwarn "can't run QEMU, skipping"
fi
return 0
}
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
cp create-busybox-container $initdir/
# setup the testsuite service
cat >$initdir/etc/systemd/system/testsuite.service <<EOF
[Unit]
Description=Testsuite service
After=multi-user.target
[Service]
ExecStart=/test-nspawn.sh
Type=oneshot
EOF
cat >$initdir/test-nspawn.sh <<'EOF'
#!/bin/bash
set -x
set -e
set -u
set -o pipefail
export SYSTEMD_LOG_LEVEL=debug
# check cgroup-v2
is_v2_supported=no
mkdir -p /tmp/cgroup2
if mount -t cgroup2 cgroup2 /tmp/cgroup2; then
is_v2_supported=yes
umount /tmp/cgroup2
fi
rmdir /tmp/cgroup2
# check cgroup namespaces
is_cgns_supported=no
if [[ -f /proc/1/ns/cgroup ]]; then
is_cgns_supported=yes
fi
is_user_ns_supported=no
if unshare -U sh -c :; then
is_user_ns_supported=yes
fi
function check_bind_tmp_path {
# https://github.com/systemd/systemd/issues/4789
local _root="/var/lib/machines/bind-tmp-path"
/create-busybox-container "$_root"
>/tmp/bind
systemd-nspawn --register=no -D "$_root" --bind=/tmp/bind /bin/sh -c 'test -e /tmp/bind'
}
function 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
return 0
}
check_bind_tmp_path
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
}
test_cleanup() {
umount $TESTDIR/root 2>/dev/null
[[ $LOOPDEV ]] && losetup -d $LOOPDEV
return 0
}
do_test "$@"
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