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test-functions
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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
PATH=/sbin:/bin:/usr/sbin:/usr/bin
export PATH
LOOKS_LIKE_DEBIAN=$(source /etc/os-release && [[ "$ID" = "debian" || " $ID_LIKE " = *" debian "* ]] && echo yes || true)
LOOKS_LIKE_ARCH=$(source /etc/os-release && [[ "$ID" = "arch" || " $ID_LIKE " = *" arch "* ]] && echo yes || true)
LOOKS_LIKE_SUSE=$(source /etc/os-release && [[ " $ID_LIKE " = *" suse "* ]] && echo yes || true)
KERNEL_VER=${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="$(bootctl -p 2>/dev/null || echo /boot)"
if ! ROOTLIBDIR=$(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=$ROOTLIBDIR/systemd
BASICTOOLS="test sh bash setsid loadkeys setfont login sulogin gzip sleep echo mount umount cryptsetup date dmsetup modprobe sed cmp tee rm true false chmod chown ln xargs"
DEBUGTOOLS="df free ls stty cat ps ln ip route dmesg dhclient mkdir cp ping dhclient strace less grep id tty touch du sort hostname find"
STATEDIR="${BUILD_DIR:-.}/test/$(basename $(dirname $(realpath $0)))"
STATEFILE="$STATEDIR/.testdir"
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 $BUILD_DIR/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 [[ "$IS_BUILT_WITH_ASAN" = "yes" ]]; then
STRIP_BINARIES=no
SKIP_INITRD=yes
PATH_TO_INIT=$ROOTLIBDIR/systemd-under-asan
fi
function find_qemu_bin() {
# SUSE and Red Hat call the binary qemu-kvm. Debian and Gentoo call it kvm.
# Either way, only use this version if we aren't running in KVM, because
# nested KVM is flaky still.
if [ `systemd-detect-virt -v` != kvm ] ; 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=$(which -a qemu-system-$ARCH 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/$KERNEL_VER/linux"
fi
if [[ ! "$KERNEL_BIN" ]]; then
if [[ "$LOOKS_LIKE_ARCH" ]]; then
KERNEL_BIN=/boot/vmlinuz-linux
else
KERNEL_BIN=/boot/vmlinuz-$KERNEL_VER
fi
fi
default_fedora_initrd=/boot/initramfs-${KERNEL_VER}.img
default_debian_initrd=/boot/initrd.img-${KERNEL_VER}
default_arch_initrd=/boot/initramfs-linux.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="$default_suse_initrd"
fi
fi
[ "$QEMU_SMP" ] || QEMU_SMP=1
find_qemu_bin || return 1
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"
else
PARAMS+="ro"
fi
KERNEL_APPEND="$PARAMS \
root=/dev/sda1 \
raid=noautodetect \
loglevel=2 \
init=$PATH_TO_INIT \
console=ttyS0 \
selinux=0 \
printk.devkmsg=on \
$_cgroup_args \
$KERNEL_APPEND \
"
QEMU_OPTIONS="-smp $QEMU_SMP \
-net none \
-m 512M \
-nographic \
-kernel $KERNEL_BIN \
-drive format=raw,cache=unsafe,file=${TESTDIR}/rootdisk.img \
"
if [[ "$INITRD" && "$SKIP_INITRD" != "yes" ]]; then
QEMU_OPTIONS="$QEMU_OPTIONS -initrd $INITRD"
fi
# Let's use KVM if it is available, but let's avoid using nested KVM as that is still flaky
if [ -c /dev/kvm -a `systemd-detect-virt -v` != kvm ]; then
QEMU_OPTIONS="$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 $rc"
fi
return 0
}
# Return 0 if nspawn did run (then you must check the result state/logs for actual
# success), or 1 if nspawn is not available.
run_nspawn() {
[[ -d /run/systemd/system ]] || return 1
local _nspawn_cmd="$BUILD_DIR/systemd-nspawn $NSPAWN_ARGUMENTS --register=no --kill-signal=SIGKILL --directory=$TESTDIR/$1 $PATH_TO_INIT $KERNEL_APPEND"
if [[ "$NSPAWN_TIMEOUT" != "infinity" ]]; then
_nspawn_cmd="timeout --foreground $NSPAWN_TIMEOUT $_nspawn_cmd"
fi
if [[ "$UNIFIED_CGROUP_HIERARCHY" = "hybrid" ]]; then
dwarn "nspawn doesn't support UNIFIED_CGROUP_HIERARCHY=hybrid, skipping"
exit
elif [[ "$UNIFIED_CGROUP_HIERARCHY" = "yes" || "$UNIFIED_CGROUP_HIERARCHY" = "no" ]]; then
_nspawn_cmd="env UNIFIED_CGROUP_HIERARCHY=$UNIFIED_CGROUP_HIERARCHY $_nspawn_cmd"
elif [[ "$UNIFIED_CGROUP_HIERARCHY" = "default" ]]; then
_nspawn_cmd="env --unset=UNIFIED_CGROUP_HIERARCHY $_nspawn_cmd"
else
dfatal "Unknown UNIFIED_CGROUP_HIERARCHY. Got $UNIFIED_CGROUP_HIERARCHY, expected [yes|no|hybrid|default]"
exit 1
fi
(set -x; $_nspawn_cmd)
rc=$?
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 $rc"
fi
return 0
}
setup_basic_environment() {
# create the basic filesystem layout
setup_basic_dirs
install_systemd
install_missing_libraries
install_config_files
create_rc_local
install_basic_tools
install_libnss
install_pam
install_dbus
install_fonts
install_keymaps
install_terminfo
install_execs
install_fsck
install_plymouth
install_debug_tools
install_ld_so_conf
setup_selinux
strip_binaries
install_depmod_files
generate_module_dependencies
if [[ "$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 $_conf_dir"
exit 1
fi
cat <<EOF >$initdir/etc/systemd/system/autorelabel.service
[Unit]
Description=Relabel all filesystems
DefaultDependencies=no
Requires=local-fs.target
Conflicts=shutdown.target
After=local-fs.target
Before=sysinit.target shutdown.target
ConditionSecurity=selinux
ConditionPathExists=|/.autorelabel
[Service]
ExecStart=/bin/sh -x -c 'echo 0 >/sys/fs/selinux/enforce && fixfiles -f -F relabel && rm /.autorelabel && systemctl --force reboot'
Type=oneshot
TimeoutSec=0
RemainAfterExit=yes
EOF
touch $initdir/.autorelabel
mkdir -p $initdir/etc/systemd/system/basic.target.wants
ln -fs autorelabel.service $initdir/etc/systemd/system/basic.target.wants/autorelabel.service
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
#!/bin/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
ddebug "Create $_asan_wrapper"
cat >$_asan_wrapper <<EOF
#!/bin/bash
set -x
DEFAULT_ASAN_OPTIONS=strict_string_checks=1:detect_stack_use_after_return=1:check_initialization_order=1:strict_init_order=1
DEFAULT_UBSAN_OPTIONS=print_stacktrace=1:print_summary=1
DEFAULT_ENVIRONMENT="ASAN_OPTIONS=\$DEFAULT_ASAN_OPTIONS UBSAN_OPTIONS=\$DEFAULT_UBSAN_OPTIONS:halt_on_error=1"
mount -t proc proc /proc
mount -t sysfs sysfs /sys
mount -o remount,rw /
PATH_TO_ASAN=\$(find / -name '*libasan*' | 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"
fi
echo DefaultEnvironment=\$DEFAULT_ENVIRONMENT >>/etc/systemd/system.conf
echo DefaultTimeoutStartSec=180s >>/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\n" >"\$JOURNALD_CONF_DIR/env.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.
mkdir -p /etc/systemd/system/systemd-hwdb-update.service.d
printf "[Service]\nTimeoutSec=180s\n" >/etc/systemd/system/systemd-hwdb-update.service.d/timeout.conf
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
#!/bin/bash
exec strace -D -o /strace.out $ROOTLIBDIR/systemd "\$@"
EOF
chmod 0755 $_strace_wrapper
}
install_fsck() {
dracut_install /sbin/fsck*
dracut_install -o /bin/fsck*
# fskc.reiserfs calls reiserfsck. so, install it
dracut_install -o reiserfsck
}
install_dmevent() {
instmods dm_crypt =crypto
type -P dmeventd >/dev/null && dracut_install dmeventd
inst_libdir_file "libdevmapper-event.so*"
if [[ "$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
}
get_ldpath() {
local _bin="$1"
objdump -p "$_bin" 2>/dev/null | awk "/R(UN)?PATH/ { print \"$initdir\" \$2 }" | paste -sd :
}
install_missing_libraries() {
# install possible missing libraries
for i in $initdir{,/usr}/{sbin,bin}/* $initdir{,/usr}/lib/systemd/{,tests/{,manual/,unsafe/}}*; do
LD_LIBRARY_PATH=$(get_ldpath $i) inst_libs $i
done
}
create_empty_image() {
local _size=500
if [[ "$STRIP_BINARIES" = "no" ]]; then
_size=$((2*_size))
fi
rm -f "$TESTDIR/rootdisk.img"
# Create the blank file to use as a root filesystem
dd if=/dev/null of="$TESTDIR/rootdisk.img" bs=1M seek="$_size"
LOOPDEV=$(losetup --show -P -f $TESTDIR/rootdisk.img)
[ -b "$LOOPDEV" ] || return 1
echo "LOOPDEV=$LOOPDEV" >> $STATEFILE
sfdisk "$LOOPDEV" <<EOF
,$((_size-10))M
,
EOF
udevadm settle
local _label="-L systemd"
# mkfs.reiserfs doesn't know -L. so, use --label instead
[[ "$FSTYPE" == "reiserfs" ]] && _label="--label systemd"
if ! mkfs -t "${FSTYPE}" ${_label} "${LOOPDEV}p1" -q; then
dfatal "Failed to mkfs -t ${FSTYPE}"
exit 1
fi
}
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 "$root" -name "systemd-journald.asan.log*" -exec cat {} \;)
if [[ ! -z "$journald_report" ]]; then
printf "%s" "$journald_report"
ret=$(($ret+1))
fi
pids=$("$BUILD_DIR/journalctl" -D "$root/var/log/journal" | perl -alne 'print $1 if /\[(\d+)\]:\s*SUMMARY:\s+\w+Sanitizer/')
if [[ ! -z "$pids" ]]; then
ret=$(($ret+1))
for pid in $pids; do
"$BUILD_DIR/journalctl" -D "$root/var/log/journal" _PID=$pid --no-pager
done
fi
fi
return $ret
}
check_result_nspawn() {
local ret=1
local journald_report=""
local pids=""
[[ -e $TESTDIR/$1/testok ]] && ret=0
[[ -f $TESTDIR/$1/failed ]] && cp -a $TESTDIR/$1/failed $TESTDIR
cp -a $TESTDIR/$1/var/log/journal $TESTDIR
[[ -f $TESTDIR/failed ]] && cat $TESTDIR/failed
ls -l $TESTDIR/journal/*/*.journal
test -s $TESTDIR/failed && ret=$(($ret+1))
[ -n "$TIMED_OUT" ] && ret=$(($ret+1))
check_asan_reports "$TESTDIR/$1" || ret=$(($ret+1))
return $ret
}
# can be overridden in specific test
check_result_qemu() {
local 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 $TESTDIR
check_asan_reports "$TESTDIR/root" || ret=$(($ret+1))
umount $TESTDIR/root
[[ -f $TESTDIR/failed ]] && cat $TESTDIR/failed
ls -l $TESTDIR/journal/*/*.journal
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 | ddebug
}
create_rc_local() {
mkdir -p $initdir/etc/rc.d
cat >$initdir/etc/rc.d/rc.local <<EOF
#!/bin/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
inst $i || [ "${i%.local}" != "$i" ] || [ "${i%systemd-update-done}" != "$i" ]
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,etc}/systemd/system/plymouth* $initdir/{usr/lib,etc}/systemd/system/*/plymouth*
# fi
}
install_ld_so_conf() {
cp -a /etc/ld.so.conf* $initdir/etc
ldconfig -r "$initdir"
}
install_config_files() {
inst /etc/sysconfig/init || true
inst /etc/passwd
inst /etc/shadow
inst /etc/login.defs
inst /etc/group
inst /etc/shells
inst /etc/nsswitch.conf
inst /etc/pam.conf || true
inst /etc/securetty || true
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 > $initdir/etc/hostname
# fstab
if [[ "$LOOKS_LIKE_SUSE" ]]; then
ROOTMOUNT="/dev/sda1 / ${FSTYPE} rw 0 1"
else
ROOTMOUNT="LABEL=systemd / ${FSTYPE} rw 0 1"
fi
cat >$initdir/etc/fstab <<EOF
$ROOTMOUNT
EOF
}
install_basic_tools() {
[[ $BASICTOOLS ]] && 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() {
[[ $DEBUGTOOLS ]] && dracut_install $DEBUGTOOLS
}
install_libnss() {
# install libnss_files for login
NSS_LIBS=$(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
# Fedora rawhide replaced dbus.service with dbus-daemon.service
if [ -f $ROOTLIBDIR/system/dbus-daemon.service ]; then
inst $ROOTLIBDIR/system/dbus-daemon.service
# Alias symlink
inst_symlink /etc/systemd/system/dbus.service
else
inst $ROOTLIBDIR/system/dbus.service
fi
find \
/etc/dbus-1 /usr/share/dbus-1 -xtype f \
| while read file; do
inst $file
done
}
install_pam() {
(
if [[ "$LOOKS_LIKE_DEBIAN" ]] && type -p dpkg-architecture &>/dev/null; then
find "/lib/$(dpkg-architecture -qDEB_HOST_MULTIARCH)/security" -xtype f
else
find /lib*/security -xtype f
fi
find /etc/pam.d /etc/security -xtype f
) | while read file; do
inst $file
done
# pam_unix depends on unix_chkpwd.
# see http://www.linux-pam.org/Linux-PAM-html/sag-pam_unix.html
dracut_install -o unix_chkpwd
[[ "$LOOKS_LIKE_DEBIAN" ]] &&
cp /etc/pam.d/systemd-user $initdir/etc/pam.d/
# set empty root password for easy debugging
sed -i 's/^root:x:/root::/' $initdir/etc/passwd
}
install_keymaps() {
# The first three paths may be deprecated.
# It seems now the last two paths are used by many distributions.
for i in \
/usr/lib/kbd/keymaps/include/* \
/usr/lib/kbd/keymaps/i386/include/* \
/usr/lib/kbd/keymaps/i386/qwerty/us.* \
/usr/lib/kbd/keymaps/legacy/include/* \
/usr/lib/kbd/keymaps/legacy/i386/qwerty/us.*; do
[[ -f $i ]] || continue
inst $i
done
# When it takes any argument, then install more keymaps.
if [[ -n $1 ]]; then
for i in \
/usr/lib/kbd/keymaps/i386/*/* \
/usr/lib/kbd/keymaps/legacy/i386/*/*; do
[[ -f $i ]] || continue
inst $i
done
fi
}
install_zoneinfo() {
for i in /usr/share/zoneinfo/{,*/,*/*/}*; do
[[ -f $i ]] || continue
inst $i
done
}
install_fonts() {
for i in \
/usr/lib/kbd/consolefonts/eurlatgr* \
/usr/lib/kbd/consolefonts/latarcyrheb-sun16*; do
[[ -f $i ]] || continue
inst $i
done
}
install_terminfo() {
for _terminfodir in /lib/terminfo /etc/terminfo /usr/share/terminfo; do
[ -f ${_terminfodir}/l/linux ] && break
done
dracut_install -o ${_terminfodir}/l/linux
}
setup_testsuite() {
cp $TEST_BASE_DIR/testsuite.target $initdir/etc/systemd/system/
cp $TEST_BASE_DIR/end.service $initdir/etc/systemd/system/
mkdir -p $initdir/etc/systemd/system/testsuite.target.wants
ln -fs $TEST_BASE_DIR/testsuite.service $initdir/etc/systemd/system/testsuite.target.wants/testsuite.service
ln -fs $TEST_BASE_DIR/end.service $initdir/etc/systemd/system/testsuite.target.wants/end.service
# make the testsuite the default target
ln -fs testsuite.target $initdir/etc/systemd/system/default.target
}
setup_nspawn_root() {
rm -fr $TESTDIR/nspawn-root
ddebug "cp -ar $initdir $TESTDIR/nspawn-root"
cp -ar $initdir $TESTDIR/nspawn-root
# we don't mount in the nspawn root
rm -f $TESTDIR/nspawn-root/etc/fstab
if [[ "$RUN_IN_UNPRIVILEGED_CONTAINER" = "yes" ]]; then
cp -ar $TESTDIR/nspawn-root $TESTDIR/unprivileged-nspawn-root
fi
}
setup_basic_dirs() {
mkdir -p $initdir/run
mkdir -p $initdir/etc/systemd/system
mkdir -p $initdir/var/log/journal
for d in usr/bin usr/sbin bin etc lib "$libdir" sbin tmp usr var var/log dev proc sys sysroot root run run/lock run/initramfs; do
if [ -L "/$d" ]; then
inst_symlink "/$d"
else
inst_dir "/$d"
fi
done
ln -sfn /run "$initdir/var/run"
ln -sfn /run/lock "$initdir/var/lock"
}
inst_libs() {
local _bin=$1
local _so_regex='([^ ]*/lib[^/]*/[^ ]*\.so[^ ]*)'
local _file _line
LC_ALL=C ldd "$_bin" 2>/dev/null | while read _line; do
[[ $_line = 'not a dynamic executable' ]] && break
if [[ $_line =~ $_so_regex ]]; then
_file=${BASH_REMATCH[1]}
[[ -e ${initdir}/$_file ]] && continue
inst_library "$_file"
continue
fi
if [[ $_line =~ not\ found ]]; then
dfatal "Missing a shared library required by $_bin."
dfatal "Run \"ldd $_bin\" to find out what it is."
dfatal "$_line"
dfatal "dracut cannot create an initrd."
exit 1
fi
done
}
import_testdir() {
[[ -e $STATEFILE ]] && . $STATEFILE
if [[ -z "$TESTDIR" ]] || [[ ! -d "$TESTDIR" ]]; then
TESTDIR=$(mktemp --tmpdir=/var/tmp -d -t systemd-test.XXXXXX)
echo "TESTDIR=\"$TESTDIR\"" > $STATEFILE
export TESTDIR
fi
}
import_initdir() {
initdir=$TESTDIR/root
export initdir
}
## @brief Converts numeric logging level to the first letter of level name.
#
# @param lvl Numeric logging level in range from 1 to 6.
# @retval 1 if @a lvl is out of range.
# @retval 0 if @a lvl is correct.
# @result Echoes first letter of level name.
_lvl2char() {
case "$1" in
1) echo F;;
2) echo E;;
3) echo W;;
4) echo I;;
5) echo D;;
6) echo T;;
*) return 1;;
esac
}
## @brief Internal helper function for _do_dlog()
#
# @param lvl Numeric logging level.
# @param msg Message.
# @retval 0 It's always returned, even if logging failed.
#
# @note This function is not supposed to be called manually. Please use
# dtrace(), ddebug(), or others instead which wrap this one.
#
# This function calls _do_dlog() either with parameter msg, or if
# none is given, it will read standard input and will use every line as
# a message.
#
# This enables:
# dwarn "This is a warning"
# echo "This is a warning" | dwarn
LOG_LEVEL=${LOG_LEVEL:-4}
dlog() {
[ -z "$LOG_LEVEL" ] && return 0
[ $1 -le $LOG_LEVEL ] || return 0
local lvl="$1"; shift
local lvlc=$(_lvl2char "$lvl") || return 0
if [ $# -ge 1 ]; then
echo "$lvlc: $*"
else
while read line; do
echo "$lvlc: " "$line"
done
fi
}
## @brief Logs message at TRACE level (6)
#
# @param msg Message.
# @retval 0 It's always returned, even if logging failed.
dtrace() {
set +x
dlog 6 "$@"
[ -n "$debug" ] && set -x || :
}
## @brief Logs message at DEBUG level (5)
#
# @param msg Message.
# @retval 0 It's always returned, even if logging failed.
ddebug() {
# set +x
dlog 5 "$@"
# [ -n "$debug" ] && set -x || :
}
## @brief Logs message at INFO level (4)
#
# @param msg Message.
# @retval 0 It's always returned, even if logging failed.
dinfo() {
set +x
dlog 4 "$@"
[ -n "$debug" ] && set -x || :
}
## @brief Logs message at WARN level (3)
#
# @param msg Message.
# @retval 0 It's always returned, even if logging failed.
dwarn() {
set +x
dlog 3 "$@"
[ -n "$debug" ] && set -x || :
}
## @brief Logs message at ERROR level (2)
#
# @param msg Message.
# @retval 0 It's always returned, even if logging failed.
derror() {
# set +x
dlog 2 "$@"
# [ -n "$debug" ] && set -x || :
}
## @brief Logs message at FATAL level (1)
#
# @param msg Message.
# @retval 0 It's always returned, even if logging failed.
dfatal() {
set +x
dlog 1 "$@"
[ -n "$debug" ] && set -x || :
}
# Generic substring function. If $2 is in $1, return 0.
strstr() { [ "${1#*$2*}" != "$1" ]; }
# normalize_path <path>
# Prints the normalized path, where it removes any duplicated
# and trailing slashes.
# Example:
# $ normalize_path ///test/test//
# /test/test
normalize_path() {
shopt -q -s extglob
set -- "${1//+(\/)//}"
shopt -q -u extglob
echo "${1%/}"
}
# convert_abs_rel <from> <to>
# Prints the relative path, when creating a symlink to <to> from <from>.
# Example:
# $ convert_abs_rel /usr/bin/test /bin/test-2
# ../../bin/test-2
# $ ln -s $(convert_abs_rel /usr/bin/test /bin/test-2) /usr/bin/test
convert_abs_rel() {
local __current __absolute __abssize __cursize __newpath
local -i __i __level
set -- "$(normalize_path "$1")" "$(normalize_path "$2")"
# corner case #1 - self looping link
[[ "$1" == "$2" ]] && { echo "${1##*/}"; return; }
# corner case #2 - own dir link
[[ "${1%/*}" == "$2" ]] && { echo "."; return; }
IFS="/" __current=($1)
IFS="/" __absolute=($2)
__abssize=${#__absolute[@]}
__cursize=${#__current[@]}
while [[ ${__absolute[__level]} == ${__current[__level]} ]]
do
(( __level++ ))
if (( __level > __abssize || __level > __cursize ))
then
break
fi
done
for ((__i = __level; __i < __cursize-1; __i++))
do
if ((__i > __level))
then
__newpath=$__newpath"/"
fi
__newpath=$__newpath".."
done
for ((__i = __level; __i < __abssize; __i++))
do
if [[ -n $__newpath ]]
then
__newpath=$__newpath"/"
fi
__newpath=$__newpath${__absolute[__i]}
done
echo "$__newpath"
}
# Install a directory, keeping symlinks as on the original system.
# Example: if /lib points to /lib64 on the host, "inst_dir /lib/file"
# will create ${initdir}/lib64, ${initdir}/lib64/file,
# and a symlink ${initdir}/lib -> lib64.
inst_dir() {
[[ -e ${initdir}/"$1" ]] && return 0 # already there
local _dir="$1" _part="${1%/*}" _file
while [[ "$_part" != "${_part%/*}" ]] && ! [[ -e "${initdir}/${_part}" ]]; do
_dir="$_part $_dir"
_part=${_part%/*}
done
# iterate over parent directories
for _file in $_dir; do
[[ -e "${initdir}/$_file" ]] && continue
if [[ -L $_file ]]; then
inst_symlink "$_file"
else
# create directory