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test-functions
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test-functions
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#!/usr/bin/env bash
# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
# ex: ts=8 sw=4 sts=4 et filetype=sh
PATH=/sbin:/bin:/usr/sbin:/usr/bin
export PATH
LOOKS_LIKE_DEBIAN=$(source /etc/os-release && [[ "$ID" = "debian" || " $ID_LIKE " = *" debian "* ]] && echo yes || :)
LOOKS_LIKE_ARCH=$(source /etc/os-release && [[ "$ID" = "arch" || " $ID_LIKE " = *" arch "* ]] && echo yes || :)
LOOKS_LIKE_SUSE=$(source /etc/os-release && [[ " $ID_LIKE " = *" suse "* ]] && echo yes || :)
KERNEL_VER=${KERNEL_VER-$(uname -r)}
KERNEL_MODS="/lib/modules/$KERNEL_VER/"
QEMU_TIMEOUT="${QEMU_TIMEOUT:-infinity}"
NSPAWN_TIMEOUT="${NSPAWN_TIMEOUT:-infinity}"
TIMED_OUT= # will be 1 after run_* if *_TIMEOUT is set and test timed out
[[ "$LOOKS_LIKE_SUSE" ]] && FSTYPE="${FSTYPE:-btrfs}" || FSTYPE="${FSTYPE:-ext4}"
UNIFIED_CGROUP_HIERARCHY="${UNIFIED_CGROUP_HIERARCHY:-default}"
EFI_MOUNT="${EFI_MOUNT:-$(bootctl -x 2>/dev/null || echo /boot)}"
QEMU_MEM="${QEMU_MEM:-512M}"
IMAGE_NAME=${IMAGE_NAME:-default}
TEST_REQUIRE_INSTALL_TESTS="${TEST_REQUIRE_INSTALL_TESTS:-1}"
LOOPDEV=
# Decide if we can (and want to) run QEMU with KVM acceleration.
# Check if nested KVM is explicitly enabled (TEST_NESTED_KVM). If not,
# check if it's not explicitly disabled (TEST_NO_KVM) and we're not already
# running under KVM. If these conditions are met, enable KVM (and possibly
# nested KVM), otherwise disable it.
if [[ -n "$TEST_NESTED_KVM" || ( -z "$TEST_NO_KVM" && $(systemd-detect-virt -v) != kvm ) ]]; then
QEMU_KVM=yes
else
QEMU_KVM=no
fi
if ! ROOTLIBDIR=$(pkg-config --variable=systemdutildir systemd); then
echo "WARNING! Cannot determine rootlibdir from pkg-config, assuming /usr/lib/systemd" >&2
ROOTLIBDIR=/usr/lib/systemd
fi
PATH_TO_INIT=$ROOTLIBDIR/systemd
[ "$SYSTEMD_JOURNALD" ] || SYSTEMD_JOURNALD=$(which -a $BUILD_DIR/systemd-journald $ROOTLIBDIR/systemd-journald 2>/dev/null | grep '^/' -m1)
[ "$SYSTEMD_JOURNAL_REMOTE" ] || SYSTEMD_JOURNAL_REMOTE=$(which -a $BUILD_DIR/systemd-journal-remote $ROOTLIBDIR/systemd-journal-remote 2>/dev/null | grep '^/' -m1)
[ "$SYSTEMD" ] || SYSTEMD=$(which -a $BUILD_DIR/systemd $ROOTLIBDIR/systemd 2>/dev/null | grep '^/' -m1)
[ "$SYSTEMD_NSPAWN" ] || SYSTEMD_NSPAWN=$(which -a $BUILD_DIR/systemd-nspawn systemd-nspawn 2>/dev/null | grep '^/' -m1)
[ "$JOURNALCTL" ] || JOURNALCTL=$(which -a $BUILD_DIR/journalctl journalctl 2>/dev/null | grep '^/' -m1)
BASICTOOLS=(
awk
basename
bash
busybox
capsh
cat
chmod
chown
cmp
cryptsetup
cut
date
dd
diff
dirname
dmsetup
echo
env
false
getent
getfacl
grep
gunzip
gzip
head
ionice
ip
ln
loadkeys
login
lz4cat
mkfifo
mktemp
modprobe
mount
mv
nc
nproc
readlink
rev
rm
rmdir
sed
seq
setfont
setsid
sfdisk
sh
sleep
socat
stat
su
sulogin
sysctl
tail
tar
tee
test
touch
tr
true
truncate
umount
uname
unshare
xargs
xzcat
)
DEBUGTOOLS=(
cp
df
dhclient
dmesg
du
find
free
grep
hostname
id
less
ln
ls
mkdir
ping
ps
route
sort
strace
stty
tty
vi
)
STATEDIR="${BUILD_DIR:-.}/test/$(basename $(dirname $(realpath $0)))"
STATEFILE="$STATEDIR/.testdir"
IMAGESTATEDIR="$STATEDIR/.."
TESTLOG="$STATEDIR/test.log"
is_built_with_asan() {
if ! type -P objdump >/dev/null; then
ddebug "Failed to find objdump. Assuming systemd hasn't been built with ASAN."
return 1
fi
# Borrowed from https://github.com/google/oss-fuzz/blob/cd9acd02f9d3f6e80011cc1e9549be526ce5f270/infra/base-images/base-runner/bad_build_check#L182
local _asan_calls=$(objdump -dC $SYSTEMD_JOURNALD | egrep "callq\s+[0-9a-f]+\s+<__asan" -c)
if (( $_asan_calls < 1000 )); then
return 1
else
return 0
fi
}
IS_BUILT_WITH_ASAN=$(is_built_with_asan && echo yes || echo no)
if [[ "$IS_BUILT_WITH_ASAN" = "yes" ]]; then
STRIP_BINARIES=no
SKIP_INITRD="${SKIP_INITRD:-yes}"
PATH_TO_INIT=$ROOTLIBDIR/systemd-under-asan
QEMU_MEM="2048M"
QEMU_SMP=4
# We need to correctly distinguish between gcc's and clang's ASan DSOs.
if ldd $SYSTEMD | grep -q libasan.so; then
ASAN_COMPILER=gcc
elif ldd $SYSTEMD | grep -q libclang_rt.asan; then
ASAN_COMPILER=clang
# As clang's ASan DSO is usually in a non-standard path, let's check if
# the environment is set accordingly. If not, warn the user and exit.
# We're not setting the LD_LIBRARY_PATH automagically here, because
# user should encounter (and fix) the same issue when running the unit
# tests (meson test)
if ldd "$SYSTEMD" | grep -q "libclang_rt.asan.*not found"; then
_asan_rt_name="$(ldd $SYSTEMD | awk '/libclang_rt.asan/ {print $1; exit}')"
_asan_rt_path="$(find /usr/lib* /usr/local/lib* -type f -name "$_asan_rt_name" 2>/dev/null | sed 1q)"
echo >&2 "clang's ASan DSO ($_asan_rt_name) is not present in the runtime library path"
echo >&2 "Consider setting LD_LIBRARY_PATH=${_asan_rt_path%/*}"
exit 1
fi
else
echo >&2 "systemd is not linked against the ASan DSO"
echo >&2 "gcc does this by default, for clang compile with -shared-libasan"
exit 1
fi
fi
function find_qemu_bin() {
# SUSE and Red Hat call the binary qemu-kvm. Debian and Gentoo call it kvm.
if [[ $QEMU_KVM == "yes" ]]; then
[ "$QEMU_BIN" ] || QEMU_BIN=$(which -a kvm qemu-kvm 2>/dev/null | grep '^/' -m1)
fi
[ "$ARCH" ] || ARCH=$(uname -m)
case $ARCH in
x86_64)
# QEMU's own build system calls it qemu-system-x86_64
[ "$QEMU_BIN" ] || QEMU_BIN=$(which -a qemu-system-x86_64 2>/dev/null | grep '^/' -m1)
;;
i*86)
# new i386 version of QEMU
[ "$QEMU_BIN" ] || QEMU_BIN=$(which -a qemu-system-i386 2>/dev/null | grep '^/' -m1)
# i386 version of QEMU
[ "$QEMU_BIN" ] || QEMU_BIN=$(which -a qemu 2>/dev/null | grep '^/' -m1)
;;
ppc64*)
[ "$QEMU_BIN" ] || QEMU_BIN=$(which -a qemu-system-ppc64 2>/dev/null | grep '^/' -m1)
;;
esac
if [ ! -e "$QEMU_BIN" ]; then
echo "Could not find a suitable QEMU binary" >&2
return 1
fi
}
# Return 0 if QEMU did run (then you must check the result state/logs for actual
# success), or 1 if QEMU is not available.
run_qemu() {
if [ -f /etc/machine-id ]; then
read MACHINE_ID < /etc/machine-id
[ -z "$INITRD" ] && [ -e "$EFI_MOUNT/$MACHINE_ID/$KERNEL_VER/initrd" ] \
&& INITRD="$EFI_MOUNT/$MACHINE_ID/$KERNEL_VER/initrd"
[ -z "$KERNEL_BIN" ] && [ -e "$EFI_MOUNT/$MACHINE_ID/$KERNEL_VER/linux" ] \
&& KERNEL_BIN="$EFI_MOUNT/$MACHINE_ID/$KERNEL_VER/linux"
fi
CONSOLE=ttyS0
rm -f "$initdir"/{testok,failed,skipped}
# make sure the initdir is not mounted to avoid concurrent access
cleanup_initdir
umount_loopback
if [[ ! "$KERNEL_BIN" ]]; then
if [[ "$LOOKS_LIKE_ARCH" ]]; then
KERNEL_BIN=/boot/vmlinuz-linux
else
[ "$ARCH" ] || ARCH=$(uname -m)
case $ARCH in
ppc64*)
KERNEL_BIN=/boot/vmlinux-$KERNEL_VER
CONSOLE=hvc0
;;
*)
KERNEL_BIN=/boot/vmlinuz-$KERNEL_VER
;;
esac
fi
fi
default_fedora_initrd=/boot/initramfs-${KERNEL_VER}.img
default_debian_initrd=/boot/initrd.img-${KERNEL_VER}
default_arch_initrd=/boot/initramfs-linux-fallback.img
default_suse_initrd=/boot/initrd-${KERNEL_VER}
if [[ ! "$INITRD" ]]; then
if [[ -e "$default_fedora_initrd" ]]; then
INITRD="$default_fedora_initrd"
elif [[ "$LOOKS_LIKE_DEBIAN" && -e "$default_debian_initrd" ]]; then
INITRD="$default_debian_initrd"
elif [[ "$LOOKS_LIKE_ARCH" && -e "$default_arch_initrd" ]]; then
INITRD="$default_arch_initrd"
elif [[ "$LOOKS_LIKE_SUSE" && -e "$default_suse_initrd" ]]; then
INITRD="$default_suse_initrd"
fi
fi
# If QEMU_SMP was not explicitly set, try to determine the value 'dynamically'
# i.e. use the number of online CPUs on the host machine. If the nproc utility
# is not installed or there's some other error when calling it, fall back
# to the original value (QEMU_SMP=1).
if ! [ "$QEMU_SMP" ]; then
if ! QEMU_SMP=$(nproc); then
dwarn "nproc utility is not installed, falling back to QEMU_SMP=1"
QEMU_SMP=1
fi
fi
find_qemu_bin || return 1
# Umount initdir to avoid concurrent access to the filesystem
_umount_dir $initdir
local _cgroup_args
if [[ "$UNIFIED_CGROUP_HIERARCHY" = "yes" ]]; then
_cgroup_args="systemd.unified_cgroup_hierarchy=yes"
elif [[ "$UNIFIED_CGROUP_HIERARCHY" = "no" ]]; then
_cgroup_args="systemd.unified_cgroup_hierarchy=no systemd.legacy_systemd_cgroup_controller=yes"
elif [[ "$UNIFIED_CGROUP_HIERARCHY" = "hybrid" ]]; then
_cgroup_args="systemd.unified_cgroup_hierarchy=no systemd.legacy_systemd_cgroup_controller=no"
elif [[ "$UNIFIED_CGROUP_HIERARCHY" != "default" ]]; then
dfatal "Unknown UNIFIED_CGROUP_HIERARCHY. Got $UNIFIED_CGROUP_HIERARCHY, expected [yes|no|hybrid|default]"
exit 1
fi
if [[ "$LOOKS_LIKE_SUSE" ]]; then
PARAMS+="rd.hostonly=0"
fi
local _end
if [[ ! "$INTERACTIVE_DEBUG" ]]; then
_end="systemd.wants=end.service"
else
_end=""
fi
KERNEL_APPEND="$PARAMS \
root=/dev/sda1 \
rw \
raid=noautodetect \
rd.luks=0 \
loglevel=2 \
init=$PATH_TO_INIT \
console=$CONSOLE \
selinux=0 \
$_cgroup_args \
SYSTEMD_UNIT_PATH=/usr/lib/systemd/tests/testdata/testsuite-$1.units:/usr/lib/systemd/tests/testdata/units: \
systemd.unit=testsuite.target \
systemd.wants=testsuite-$1.service ${_end} \
$KERNEL_APPEND \
"
QEMU_OPTIONS="-smp $QEMU_SMP \
-net none \
-m $QEMU_MEM \
-nographic \
-kernel $KERNEL_BIN \
-drive format=raw,cache=unsafe,file=${IMAGESTATEDIR}/${IMAGE_NAME}.img \
$QEMU_OPTIONS \
"
if [[ "$INITRD" && "$SKIP_INITRD" != "yes" ]]; then
QEMU_OPTIONS="$QEMU_OPTIONS -initrd $INITRD"
fi
# Let's use KVM if possible
if [[ -c /dev/kvm && $QEMU_KVM == "yes" ]]; then
QEMU_OPTIONS="$QEMU_OPTIONS -machine accel=kvm -enable-kvm -cpu host"
fi
if [[ "$QEMU_TIMEOUT" != "infinity" ]]; then
QEMU_BIN="timeout --foreground $QEMU_TIMEOUT $QEMU_BIN"
fi
(set -x; $QEMU_BIN $QEMU_OPTIONS -append "$KERNEL_APPEND")
rc=$?
if [ "$rc" = 124 ] && [ "$QEMU_TIMEOUT" != "infinity" ]; then
derror "test timed out after $QEMU_TIMEOUT s"
TIMED_OUT=1
else
[ "$rc" != 0 ] && derror "QEMU failed with exit code $rc"
fi
return 0
}
# Return 0 if nspawn did run (then you must check the result state/logs for actual
# success), or 1 if nspawn is not available.
run_nspawn() {
[[ -d /run/systemd/system ]] || return 1
rm -f "$initdir"/{testok,failed,skipped}
local _nspawn_cmd=(
--register=no
--kill-signal=SIGKILL
--directory=$1
--setenv=SYSTEMD_UNIT_PATH=/usr/lib/systemd/tests/testdata/testsuite-$2.units:/usr/lib/systemd/tests/testdata/units:
$PATH_TO_INIT
$KERNEL_APPEND
systemd.unit=testsuite.target
systemd.wants=testsuite-$2.service
)
if [[ ! "$INTERACTIVE_DEBUG" ]]; then
_nspawn_cmd+=( systemd.wants=end.service )
fi
local _nspawn_pre
if [[ "$NSPAWN_TIMEOUT" != "infinity" ]]; then
_nspawn_pre=(timeout --foreground $NSPAWN_TIMEOUT)
else
_nspawn_pre=()
fi
if [[ "$UNIFIED_CGROUP_HIERARCHY" = "hybrid" ]]; then
dwarn "nspawn doesn't support SYSTEMD_NSPAWN_UNIFIED_HIERARCHY=hybrid, skipping"
exit
elif [[ "$UNIFIED_CGROUP_HIERARCHY" = "yes" || "$UNIFIED_CGROUP_HIERARCHY" = "no" ]]; then
_nspawn_pre=("${nspawn_pre[@]}" env SYSTEMD_NSPAWN_UNIFIED_HIERARCHY=$UNIFIED_CGROUP_HIERARCHY)
elif [[ "$UNIFIED_CGROUP_HIERARCHY" = "default" ]]; then
_nspawn_pre=("${nspawn_pre[@]}" env --unset=UNIFIED_CGROUP_HIERARCHY --unset=SYSTEMD_NSPAWN_UNIFIED_HIERARCHY)
else
dfatal "Unknown UNIFIED_CGROUP_HIERARCHY. Got $UNIFIED_CGROUP_HIERARCHY, expected [yes|no|hybrid|default]"
exit 1
fi
(set -x; "${_nspawn_pre[@]}" "$SYSTEMD_NSPAWN" $NSPAWN_ARGUMENTS "${_nspawn_cmd[@]}")
rc=$?
if [ "$rc" = 124 ] && [ "$NSPAWN_TIMEOUT" != "infinity" ]; then
derror "test timed out after $NSPAWN_TIMEOUT s"
TIMED_OUT=1
else
[ "$rc" != 0 ] && derror "nspawn failed with exit code $rc"
fi
return 0
}
setup_basic_environment() {
# create the basic filesystem layout
setup_basic_dirs
install_systemd
install_missing_libraries
install_config_files
install_zoneinfo
create_rc_local
install_basic_tools
install_libnss
install_pam
install_dbus
install_fonts
install_keymaps
install_terminfo
install_execs
install_fsck
install_plymouth
install_debug_tools
install_ld_so_conf
install_testuser
has_user_dbus_socket && install_user_dbus
setup_selinux
strip_binaries
install_depmod_files
generate_module_dependencies
if [[ "$IS_BUILT_WITH_ASAN" = "yes" ]]; then
create_asan_wrapper
fi
}
setup_selinux() {
# don't forget KERNEL_APPEND='... selinux=1 ...'
if [[ "$SETUP_SELINUX" != "yes" ]]; then
ddebug "Don't setup SELinux"
return 0
fi
ddebug "Setup SELinux"
local _conf_dir=/etc/selinux
local _fixfiles_tools="bash uname cat sort uniq awk grep egrep head expr find rm secon setfiles"
rm -rf $initdir/$_conf_dir
if ! cp -ar $_conf_dir $initdir/$_conf_dir; then
dfatal "Failed to copy $_conf_dir"
exit 1
fi
touch $initdir/.autorelabel
mkdir -p $initdir/usr/lib/systemd/tests/testdata/units/basic.target.wants
ln -sf ../autorelabel.service $initdir/usr/lib/systemd/tests/testdata/units/basic.target.wants/
dracut_install $_fixfiles_tools
dracut_install fixfiles
dracut_install sestatus
}
install_valgrind() {
if ! type -p valgrind; then
dfatal "Failed to install valgrind"
exit 1
fi
local _valgrind_bins=$(strace -e execve valgrind /bin/true 2>&1 >/dev/null | perl -lne 'print $1 if /^execve\("([^"]+)"/')
dracut_install $_valgrind_bins
local _valgrind_libs=$(LD_DEBUG=files valgrind /bin/true 2>&1 >/dev/null | perl -lne 'print $1 if m{calling init: (/.*vgpreload_.*)}')
dracut_install $_valgrind_libs
local _valgrind_dbg_and_supp=$(
strace -e open valgrind /bin/true 2>&1 >/dev/null |
perl -lne 'if (my ($fname) = /^open\("([^"]+).*= (?!-)\d+/) { print $fname if $fname =~ /debug|\.supp$/ }'
)
dracut_install $_valgrind_dbg_and_supp
}
create_valgrind_wrapper() {
local _valgrind_wrapper=$initdir/$ROOTLIBDIR/systemd-under-valgrind
ddebug "Create $_valgrind_wrapper"
cat >$_valgrind_wrapper <<EOF
#!/usr/bin/env bash
mount -t proc proc /proc
exec valgrind --leak-check=full --log-file=/valgrind.out $ROOTLIBDIR/systemd "\$@"
EOF
chmod 0755 $_valgrind_wrapper
}
create_asan_wrapper() {
local _asan_wrapper=$initdir/$ROOTLIBDIR/systemd-under-asan
local _asan_rt_pattern
ddebug "Create $_asan_wrapper"
case "$ASAN_COMPILER" in
gcc)
_asan_rt_pattern="*libasan*"
;;
clang)
_asan_rt_pattern="libclang_rt.asan-*"
# Install llvm-symbolizer to generate useful reports
# See: https://clang.llvm.org/docs/AddressSanitizer.html#symbolizing-the-reports
dracut_install "llvm-symbolizer"
;;
*)
dfail "Unsupported compiler: $ASAN_COMPILER"
exit 1
esac
cat >$_asan_wrapper <<EOF
#!/usr/bin/env bash
set -x
DEFAULT_ASAN_OPTIONS=${ASAN_OPTIONS:-strict_string_checks=1:detect_stack_use_after_return=1:check_initialization_order=1:strict_init_order=1}
DEFAULT_UBSAN_OPTIONS=${UBSAN_OPTIONS:-print_stacktrace=1:print_summary=1:halt_on_error=1}
DEFAULT_ENVIRONMENT="ASAN_OPTIONS=\$DEFAULT_ASAN_OPTIONS UBSAN_OPTIONS=\$DEFAULT_UBSAN_OPTIONS"
# As right now bash is the PID 1, we can't expect PATH to have a sane value.
# Let's make one to prevent unexpected "<bin> not found" issues in the future
export PATH="/sbin:/bin:/usr/sbin:/usr/bin"
mount -t proc proc /proc
mount -t sysfs sysfs /sys
mount -o remount,rw /
PATH_TO_ASAN=\$(find / -name '$_asan_rt_pattern' | sed 1q)
if [[ "\$PATH_TO_ASAN" ]]; then
# A lot of services (most notably dbus) won't start without preloading libasan
# See https://github.com/systemd/systemd/issues/5004
DEFAULT_ENVIRONMENT="\$DEFAULT_ENVIRONMENT LD_PRELOAD=\$PATH_TO_ASAN"
# Let's add the ASan DSO's path to the dynamic linker's cache. This is pretty
# unnecessary for gcc & libasan, however, for clang this is crucial, as its
# runtime ASan DSO is in a non-standard (library) path.
echo \${PATH_TO_ASAN%/*} > /etc/ld.so.conf.d/asan-path-override.conf
ldconfig
fi
echo DefaultEnvironment=\$DEFAULT_ENVIRONMENT >>/etc/systemd/system.conf
echo DefaultTimeoutStartSec=180s >>/etc/systemd/system.conf
echo DefaultStandardOutput=journal+console >>/etc/systemd/system.conf
# ASAN and syscall filters aren't compatible with each other.
find / -name '*.service' -type f | xargs sed -i 's/^\\(MemoryDeny\\|SystemCall\\)/#\\1/'
# The redirection of ASAN reports to a file prevents them from ending up in /dev/null.
# But, apparently, sometimes it doesn't work: https://github.com/google/sanitizers/issues/886.
JOURNALD_CONF_DIR=/etc/systemd/system/systemd-journald.service.d
mkdir -p "\$JOURNALD_CONF_DIR"
printf "[Service]\nEnvironment=ASAN_OPTIONS=\$DEFAULT_ASAN_OPTIONS:log_path=/systemd-journald.asan.log UBSAN_OPTIONS=\$DEFAULT_UBSAN_OPTIONS:log_path=/systemd-journald.ubsan.log\n" >"\$JOURNALD_CONF_DIR/env.conf"
# Sometimes UBSan sends its reports to stderr regardless of what is specified in log_path
# Let's try to catch them by redirecting stderr (and stdout just in case) to a file
# See https://github.com/systemd/systemd/pull/12524#issuecomment-491108821
printf "[Service]\nStandardOutput=file:/systemd-journald.out\n" >"\$JOURNALD_CONF_DIR/out.conf"
# 90s isn't enough for some services to finish when literally everything is run
# under ASan+UBSan in containers, which, in turn, are run in VMs.
# Let's limit which environments such services should be executed in.
mkdir -p /etc/systemd/system/systemd-hwdb-update.service.d
printf "[Unit]\nConditionVirtualization=container\n\n[Service]\nTimeoutSec=180s\n" >/etc/systemd/system/systemd-hwdb-update.service.d/env-override.conf
# Let's override another hard-coded timeout that kicks in too early
mkdir -p /etc/systemd/system/systemd-journal-flush.service.d
printf "[Service]\nTimeoutSec=180s\n" >/etc/systemd/system/systemd-journal-flush.service.d/timeout.conf
# The 'mount' utility doesn't behave well under libasan, causing unexpected
# fails during boot and subsequent test results check:
# bash-5.0# mount -o remount,rw -v /
# mount: /dev/sda1 mounted on /.
# bash-5.0# echo \$?
# 1
# Let's workaround this by clearing the previously set LD_PRELOAD env variable,
# so the libasan library is not loaded for this particular service
unset_ld_preload() {
local _dropin_dir="/etc/systemd/system/\$1.service.d"
mkdir -p "\$_dropin_dir"
printf "[Service]\nUnsetEnvironment=LD_PRELOAD\n" >"\$_dropin_dir/unset_ld_preload.conf"
}
unset_ld_preload systemd-remount-fs
unset_ld_preload testsuite-
export ASAN_OPTIONS=\$DEFAULT_ASAN_OPTIONS:log_path=/systemd.asan.log UBSAN_OPTIONS=\$DEFAULT_UBSAN_OPTIONS
exec $ROOTLIBDIR/systemd "\$@"
EOF
chmod 0755 $_asan_wrapper
}
create_strace_wrapper() {
local _strace_wrapper=$initdir/$ROOTLIBDIR/systemd-under-strace
ddebug "Create $_strace_wrapper"
cat >$_strace_wrapper <<EOF
#!/usr/bin/env bash
exec strace -D -o /strace.out $ROOTLIBDIR/systemd "\$@"
EOF
chmod 0755 $_strace_wrapper
}
install_fsck() {
dracut_install /sbin/fsck*
dracut_install -o /bin/fsck*
# fskc.reiserfs calls reiserfsck. so, install it
dracut_install -o reiserfsck
}
install_dmevent() {
instmods dm_crypt =crypto
inst_binary dmeventd
if [[ "$LOOKS_LIKE_DEBIAN" ]]; then
# dmsetup installs 55-dm and 60-persistent-storage-dm on Debian/Ubuntu
# and since buster/bionic 95-dm-notify.rules
# see https://gitlab.com/debian-lvm/lvm2/blob/master/debian/patches/udev.patch
inst_rules 55-dm.rules 60-persistent-storage-dm.rules 95-dm-notify.rules
else
inst_rules 10-dm.rules 13-dm-disk.rules 95-dm-notify.rules
fi
}
install_systemd() {
# install compiled files
local _ninja_bin=$(type -P ninja || type -P ninja-build)
if [[ -z "$_ninja_bin" ]]; then
dfatal "ninja was not found"
exit 1
fi
(set -x; DESTDIR=$initdir "$_ninja_bin" -C $BUILD_DIR install)
# remove unneeded documentation
rm -fr $initdir/usr/share/{man,doc}
# we strip binaries since debug symbols increase binaries size a lot
# and it could fill the available space
strip_binaries
[[ "$LOOKS_LIKE_SUSE" ]] && setup_suse
# enable debug logging in PID1
echo LogLevel=debug >> $initdir/etc/systemd/system.conf
# store coredumps in journal
echo Storage=journal >> $initdir/etc/systemd/coredump.conf
}
get_ldpath() {
local _bin="$1"
local rpath=$(objdump -p "$_bin" 2>/dev/null | awk "/R(UN)?PATH/ { print \"$initdir\" \$2 }" | paste -sd :)
if [ -z "$rpath" ] ; then
echo $BUILD_DIR
else
echo $rpath
fi
}
install_missing_libraries() {
# install possible missing libraries
for i in $initdir{,/usr}/{sbin,bin}/* $initdir{,/usr}/lib/systemd/{,tests/{,manual/,unsafe/}}*; do
LD_LIBRARY_PATH="${LD_LIBRARY_PATH:+$LD_LIBRARY_PATH:}$(get_ldpath $i)" inst_libs $i
done
}
cleanup_loopdev() {
if [ -n "${LOOPDEV}" ]; then
ddebug "losetup -d $LOOPDEV"
losetup -d "${LOOPDEV}"
fi
}
trap cleanup_loopdev EXIT INT QUIT PIPE
create_empty_image() {
if [ -z "$IMAGE_NAME" ]; then
echo "create_empty_image: \$IMAGE_NAME not set"
exit 1
fi
local _size=500
if [[ "$STRIP_BINARIES" = "no" ]]; then
_size=$((4*_size))
fi
image="${TESTDIR}/${IMAGE_NAME}.img"
public="$IMAGESTATEDIR/${IMAGE_NAME}.img"
echo "Setting up $public (${_size} MB)"
rm -f "$image" "$public"
# Create the blank file to use as a root filesystem
truncate -s "${_size}M" "$image"
ln -vs "$(realpath $image)" "$public"
LOOPDEV=$(losetup --show -P -f "$public")
[ -b "$LOOPDEV" ] || return 1
sfdisk "$LOOPDEV" <<EOF
,$((_size-50))M
,
EOF
udevadm settle
local _label="-L systemd.${name}"
# mkfs.reiserfs doesn't know -L. so, use --label instead
[[ "$FSTYPE" == "reiserfs" ]] && _label="--label systemd.${name}"
mkfs -t "${FSTYPE}" ${_label} "${LOOPDEV}p1" -q; ret=$?
if [ $ret -ne 0 ] ; then
dfatal "Failed to mkfs -t ${FSTYPE}"
exit 1
fi
}
mount_initdir() {
if [ -z "${LOOPDEV}" ]; then
image="${IMAGESTATEDIR}/${IMAGE_NAME}.img"
LOOPDEV=$(losetup --show -P -f "$image")
[ -b "$LOOPDEV" ] || return 1
udevadm settle
fi
if ! mountpoint -q $initdir; then
mkdir -p $initdir
mount ${LOOPDEV}p1 $initdir
TEST_SETUP_CLEANUP_ROOTDIR=1
fi
}
cleanup_initdir() {
# only umount if create_empty_image_rootdir() was called to mount it
[[ -z $TEST_SETUP_CLEANUP_ROOTDIR ]] || _umount_dir $initdir
}
umount_loopback() {
# unmount the loopback device from all places. Otherwise we risk file
# system corruption.
image="${IMAGESTATEDIR}/${IMAGE_NAME}.img"
for device in $(losetup -l | awk '$6=="'"$image"'" {print $1}'); do
ddebug "Unmounting all uses of $device"
mount | awk '/^'"${device}"'p/{print $1}' | xargs --no-run-if-empty umount -v
done
}
create_empty_image_rootdir() {
create_empty_image
mount_initdir
}
check_asan_reports() {
local ret=0
local root="$1"
if [[ "$IS_BUILT_WITH_ASAN" = "yes" ]]; then
ls -l "$root"
if [[ -e "$root/systemd.asan.log.1" ]]; then
cat "$root/systemd.asan.log.1"
ret=$(($ret+1))
fi
journald_report=$(find "$root" -name "systemd-journald.*san.log*" -exec cat {} \;)
if [[ ! -z "$journald_report" ]]; then
printf "%s\n" "$journald_report"
cat "$root/systemd-journald.out" || :
ret=$(($ret+1))
fi
pids=$(
"$JOURNALCTL" -D "$root/var/log/journal" | perl -alne '
BEGIN {
%services_to_ignore = (
"dbus-daemon" => undef,
);
}
print $2 if /\s(\S*)\[(\d+)\]:\s*SUMMARY:\s+\w+Sanitizer/ && !exists $services_to_ignore{$1}'
)
if [[ ! -z "$pids" ]]; then
ret=$(($ret+1))
for pid in $pids; do
"$JOURNALCTL" -D "$root/var/log/journal" _PID=$pid --no-pager
done
fi
fi
return $ret
}
save_journal() {
if [ -n "${ARTIFACT_DIRECTORY}" ]; then
dest="${ARTIFACT_DIRECTORY}/${testname}.journal"
else
dest="$TESTDIR/system.journal"
fi
for j in $1/*; do
$SYSTEMD_JOURNAL_REMOTE \
-o $dest \
--getter="$JOURNALCTL -o export -D $j"
if [ -n "${TEST_SHOW_JOURNAL}" ]; then
echo "---- $j ----"
$JOURNALCTL --no-pager -o short-monotonic --no-hostname --priority=${TEST_SHOW_JOURNAL} -D $j
fi
rm -r $j
done
# we want to print this sometime later, so save this in a variable
JOURNAL_LIST="$(ls -l $dest*)"
}
check_result_nspawn() {
local ret=1
local journald_report=""
local pids=""
[[ -e $1/testok ]] && ret=0
[[ -f $1/failed ]] && cp -a $1/failed $TESTDIR
save_journal $1/var/log/journal
[[ -f $TESTDIR/failed ]] && cat $TESTDIR/failed
echo $JOURNAL_LIST
test -s $TESTDIR/failed && ret=$(($ret+1))
[ -n "$TIMED_OUT" ] && ret=$(($ret+1))
check_asan_reports "$1" || ret=$(($ret+1))
_umount_dir $initdir
return $ret
}
# can be overridden in specific test
check_result_qemu() {
local ret=1
mount_initdir
[[ -e $initdir/testok ]] && ret=0
[[ -f $initdir/failed ]] && cp -a $initdir/failed $TESTDIR
save_journal $initdir/var/log/journal
check_asan_reports "$initdir" || ret=$(($ret+1))
_umount_dir $initdir
[[ -f $TESTDIR/failed ]] && cat $TESTDIR/failed
echo $JOURNAL_LIST
test -s $TESTDIR/failed && ret=$(($ret+1))
[ -n "$TIMED_OUT" ] && ret=$(($ret+1))
return $ret
}
strip_binaries() {
if [[ "$STRIP_BINARIES" = "no" ]]; then
ddebug "Don't strip binaries"
return 0
fi
ddebug "Strip binaries"
find "$initdir" -executable -not -path '*/lib/modules/*.ko' -type f | \
xargs strip --strip-unneeded |& \
grep -vi 'file format not recognized' | \
ddebug
}
create_rc_local() {
mkdir -p $initdir/etc/rc.d
cat >$initdir/etc/rc.d/rc.local <<EOF
#!/usr/bin/env bash
exit 0
EOF
chmod 0755 $initdir/etc/rc.d/rc.local
}
install_execs() {
ddebug "install any Execs from the service files"
(
export PKG_CONFIG_PATH=$BUILD_DIR/src/core/
systemdsystemunitdir=$(pkg-config --variable=systemdsystemunitdir systemd)
systemduserunitdir=$(pkg-config --variable=systemduserunitdir systemd)
sed -r -n 's|^Exec[a-zA-Z]*=[@+!-]*([^ ]+).*|\1|gp' $initdir/{$systemdsystemunitdir,$systemduserunitdir}/*.service \
| sort -u | while read i; do
# some {rc,halt}.local scripts and programs are okay to not exist, the rest should
# also, plymouth is pulled in by rescue.service, but even there the exit code
# is ignored; as it's not present on some distros, don't fail if it doesn't exist
dinfo "Attempting to install $i"
inst $i || [ "${i%.local}" != "$i" ] || [ "${i%systemd-update-done}" != "$i" ] || [ "${i##*/}" == "plymouth" ]
done
)
}
generate_module_dependencies() {
if [[ -d $initdir/lib/modules/$KERNEL_VER ]] && \
! depmod -a -b "$initdir" $KERNEL_VER; then
dfatal "\"depmod -a $KERNEL_VER\" failed."
exit 1
fi
}
install_depmod_files() {
inst /lib/modules/$KERNEL_VER/modules.order
inst /lib/modules/$KERNEL_VER/modules.builtin
}
install_plymouth() {
# install plymouth, if found... else remove plymouth service files
# if [ -x /usr/libexec/plymouth/plymouth-populate-initrd ]; then
# PLYMOUTH_POPULATE_SOURCE_FUNCTIONS="$TEST_BASE_DIR/test-functions" \
# /usr/libexec/plymouth/plymouth-populate-initrd -t $initdir
# dracut_install plymouth plymouthd
# else
rm -f $initdir/{usr/lib,lib,etc}/systemd/system/plymouth* $initdir/{usr/lib,lib,etc}/systemd/system/*/plymouth*
# fi
}
install_ld_so_conf() {
cp -a /etc/ld.so.conf* $initdir/etc
ldconfig -r "$initdir"
}
install_testuser() {
# create unprivileged user for user manager tests
mkdir -p $initdir/etc/sysusers.d
cat >$initdir/etc/sysusers.d/testuser.conf <<EOF
u testuser 4711 "Test User" /home/testuser
EOF
mkdir -p $initdir/home/testuser -m 0700
chown 4711:4711 $initdir/home/testuser
}
install_config_files() {
inst /etc/sysconfig/init || :
inst /etc/passwd
inst /etc/shadow
inst /etc/login.defs
inst /etc/group
inst /etc/shells
inst /etc/nsswitch.conf
inst /etc/pam.conf || :
inst /etc/os-release
inst /etc/localtime
# we want an empty environment
> $initdir/etc/environment
> $initdir/etc/machine-id
# set the hostname
echo systemd-testsuite > $initdir/etc/hostname
# let's set up just one image with the traditional verbose output
if [ ${IMAGE_NAME} != "basic" ]; then
mkdir -p $initdir/etc/systemd/system.conf.d
echo -e '[Manager]\nStatusUnitFormat=name' >$initdir/etc/systemd/system.conf.d/status.conf
fi
}
install_basic_tools() {
dracut_install "${BASICTOOLS[@]}"
dracut_install -o sushell
# in Debian ldconfig is just a shell script wrapper around ldconfig.real
dracut_install -o ldconfig.real
}
install_debug_tools() {
dracut_install "${DEBUGTOOLS[@]}"
if [[ $INTERACTIVE_DEBUG ]]; then
# Set default TERM from vt220 to linux, so at least basic key shortcuts work
local _getty_override="$initdir/etc/systemd/system/serial-getty@.service.d"
mkdir -p "$_getty_override"
echo -e "[Service]\nEnvironment=TERM=linux" > "$_getty_override/default-TERM.conf"
cat > "$initdir/etc/motd" << EOF
To adjust the terminal size use:
export COLUMNS=xx
export LINES=yy
or
stty cols xx rows yy
EOF
fi
}
install_libnss() {
# install libnss_files for login
NSS_LIBS=$(LD_DEBUG=files getent passwd 2>&1 >/dev/null |sed -n '/calling init: .*libnss_/ {s!^.* /!/!; p}')
dracut_install $NSS_LIBS
}
install_dbus() {
inst $ROOTLIBDIR/system/dbus.socket
# Newer Fedora versions use dbus-broker by default. Let's install it if it's available.
if [ -f $ROOTLIBDIR/system/dbus-broker.service ]; then
inst $ROOTLIBDIR/system/dbus-broker.service
inst_symlink /etc/systemd/system/dbus.service
inst /usr/bin/dbus-broker
inst /usr/bin/dbus-broker-launch
elif [ -f $ROOTLIBDIR/system/dbus-daemon.service ]; then
# Fedora rawhide replaced dbus.service with dbus-daemon.service
inst $ROOTLIBDIR/system/dbus-daemon.service
# Alias symlink
inst_symlink /etc/systemd/system/dbus.service