test-functions revision 1ecf6a2b4960229ad1d06c591b4776ddf065e834
0N/A#!/bin/bash
2362N/A# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
0N/A# ex: ts=8 sw=4 sts=4 et filetype=sh
0N/APATH=/sbin:/bin:/usr/sbin:/usr/bin
0N/Aexport PATH
0N/A
2362N/Asetup_basic_dirs() {
0N/A for d in usr/bin usr/sbin bin etc lib "$libdir" sbin tmp usr var var/log; do
2362N/A [[ -e "${initdir}${prefix}/$d" ]] && continue
0N/A if [ -L "/$d" ]; then
0N/A inst_symlink "/$d" "${prefix}/$d"
0N/A else
0N/A mkdir -m 0755 -p "${initdir}${prefix}/$d"
0N/A fi
0N/A done
0N/A
0N/A for d in dev proc sys sysroot root run run/lock run/initramfs; do
0N/A if [ -L "/$d" ]; then
0N/A inst_symlink "/$d"
0N/A else
2362N/A mkdir -m 0755 -p "$initdir/$d"
2362N/A fi
2362N/A done
0N/A
0N/A ln -sfn /run "$initdir/var/run"
0N/A ln -sfn /run/lock "$initdir/var/lock"
0N/A}
0N/A
0N/Ainst_libs() {
0N/A local _bin=$1
0N/A local _so_regex='([^ ]*/lib[^/]*/[^ ]*\.so[^ ]*)'
0N/A local _file _line
0N/A
0N/A LC_ALL=C ldd "$_bin" 2>/dev/null | while read _line; do
0N/A [[ $_line = 'not a dynamic executable' ]] && break
0N/A
0N/A if [[ $_line =~ $_so_regex ]]; then
0N/A _file=${BASH_REMATCH[1]}
0N/A [[ -e ${initdir}/$_file ]] && continue
0N/A inst_library "$_file"
0N/A continue
0N/A fi
0N/A
0N/A if [[ $_line =~ not\ found ]]; then
0N/A dfatal "Missing a shared library required by $_bin."
0N/A dfatal "Run \"ldd $_bin\" to find out what it is."
0N/A dfatal "$_line"
0N/A dfatal "dracut cannot create an initrd."
0N/A exit 1
0N/A fi
0N/A done
0N/A}
0N/A
0N/Aimport_testdir() {
0N/A STATEFILE=".testdir"
0N/A [[ -e $STATEFILE ]] && . $STATEFILE
0N/A if [[ -z "$TESTDIR" ]] || [[ ! -d "$TESTDIR" ]]; then
0N/A TESTDIR=$(mktemp --tmpdir=/var/tmp -d -t systemd-test.XXXXXX)
0N/A echo "TESTDIR=\"$TESTDIR\"" > $STATEFILE
0N/A export TESTDIR
0N/A fi
0N/A}
0N/A
0N/A## @brief Converts numeric logging level to the first letter of level name.
0N/A#
0N/A# @param lvl Numeric logging level in range from 1 to 6.
0N/A# @retval 1 if @a lvl is out of range.
0N/A# @retval 0 if @a lvl is correct.
0N/A# @result Echoes first letter of level name.
0N/A_lvl2char() {
0N/A case "$1" in
0N/A 1) echo F;;
0N/A 2) echo E;;
0N/A 3) echo W;;
0N/A 4) echo I;;
0N/A 5) echo D;;
0N/A 6) echo T;;
0N/A *) return 1;;
0N/A esac
0N/A}
0N/A
0N/A## @brief Internal helper function for _do_dlog()
0N/A#
0N/A# @param lvl Numeric logging level.
0N/A# @param msg Message.
0N/A# @retval 0 It's always returned, even if logging failed.
0N/A#
0N/A# @note This function is not supposed to be called manually. Please use
0N/A# dtrace(), ddebug(), or others instead which wrap this one.
0N/A#
0N/A# This function calls _do_dlog() either with parameter msg, or if
0N/A# none is given, it will read standard input and will use every line as
0N/A# a message.
0N/A#
0N/A# This enables:
0N/A# dwarn "This is a warning"
0N/A# echo "This is a warning" | dwarn
0N/ALOG_LEVEL=4
0N/A
0N/Adlog() {
0N/A [ -z "$LOG_LEVEL" ] && return 0
0N/A [ $1 -le $LOG_LEVEL ] || return 0
0N/A local lvl="$1"; shift
0N/A local lvlc=$(_lvl2char "$lvl") || return 0
0N/A
0N/A if [ $# -ge 1 ]; then
0N/A echo "$lvlc: $*"
0N/A else
0N/A while read line; do
0N/A echo "$lvlc: " "$line"
0N/A done
0N/A fi
0N/A}
0N/A
0N/A## @brief Logs message at TRACE level (6)
0N/A#
0N/A# @param msg Message.
0N/A# @retval 0 It's always returned, even if logging failed.
0N/Adtrace() {
0N/A set +x
0N/A dlog 6 "$@"
0N/A [ -n "$debug" ] && set -x || :
0N/A}
0N/A
0N/A## @brief Logs message at DEBUG level (5)
0N/A#
0N/A# @param msg Message.
0N/A# @retval 0 It's always returned, even if logging failed.
0N/Addebug() {
0N/A set +x
0N/A dlog 5 "$@"
0N/A [ -n "$debug" ] && set -x || :
0N/A}
0N/A
0N/A## @brief Logs message at INFO level (4)
0N/A#
0N/A# @param msg Message.
0N/A# @retval 0 It's always returned, even if logging failed.
0N/Adinfo() {
0N/A set +x
0N/A dlog 4 "$@"
0N/A [ -n "$debug" ] && set -x || :
0N/A}
0N/A
0N/A## @brief Logs message at WARN level (3)
0N/A#
0N/A# @param msg Message.
0N/A# @retval 0 It's always returned, even if logging failed.
0N/Adwarn() {
0N/A set +x
0N/A dlog 3 "$@"
0N/A [ -n "$debug" ] && set -x || :
0N/A}
0N/A
0N/A## @brief Logs message at ERROR level (2)
0N/A#
0N/A# @param msg Message.
0N/A# @retval 0 It's always returned, even if logging failed.
derror() {
set +x
dlog 2 "$@"
[ -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
mkdir -m 0755 -p "${initdir}/$_file" || return 1
[[ -e "$_file" ]] && chmod --reference="$_file" "${initdir}/$_file"
chmod u+w "${initdir}/$_file"
fi
done
}
# $1 = file to copy to ramdisk
# $2 (optional) Name for the file on the ramdisk
# Location of the image dir is assumed to be $initdir
# We never overwrite the target if it exists.
inst_simple() {
[[ -f "$1" ]] || return 1
strstr "$1" "/" || return 1
local _src=$1 target="${2:-$1}"
if ! [[ -d ${initdir}/$target ]]; then
[[ -e ${initdir}/$target ]] && return 0
[[ -L ${initdir}/$target ]] && return 0
[[ -d "${initdir}/${target%/*}" ]] || inst_dir "${target%/*}"
fi
# install checksum files also
if [[ -e "${_src%/*}/.${_src##*/}.hmac" ]]; then
inst "${_src%/*}/.${_src##*/}.hmac" "${target%/*}/.${target##*/}.hmac"
fi
ddebug "Installing $_src"
cp --sparse=always -pfL "$_src" "${initdir}/$target"
}
# find symlinks linked to given library file
# $1 = library file
# Function searches for symlinks by stripping version numbers appended to
# library filename, checks if it points to the same target and finally
# prints the list of symlinks to stdout.
#
# Example:
# rev_lib_symlinks libfoo.so.8.1
# output: libfoo.so.8 libfoo.so
# (Only if libfoo.so.8 and libfoo.so exists on host system.)
rev_lib_symlinks() {
[[ ! $1 ]] && return 0
local fn="$1" orig="$(readlink -f "$1")" links=''
[[ ${fn} =~ .*\.so\..* ]] || return 1
until [[ ${fn##*.} == so ]]; do
fn="${fn%.*}"
[[ -L ${fn} && $(readlink -f "${fn}") == ${orig} ]] && links+=" ${fn}"
done
echo "${links}"
}
# Same as above, but specialized to handle dynamic libraries.
# It handles making symlinks according to how the original library
# is referenced.
inst_library() {
local _src="$1" _dest=${2:-$1} _lib _reallib _symlink
strstr "$1" "/" || return 1
[[ -e $initdir/$_dest ]] && return 0
if [[ -L $_src ]]; then
# install checksum files also
if [[ -e "${_src%/*}/.${_src##*/}.hmac" ]]; then
inst "${_src%/*}/.${_src##*/}.hmac" "${_dest%/*}/.${_dest##*/}.hmac"
fi
_reallib=$(readlink -f "$_src")
inst_simple "$_reallib" "$_reallib"
inst_dir "${_dest%/*}"
[[ -d "${_dest%/*}" ]] && _dest=$(readlink -f "${_dest%/*}")/${_dest##*/}
ln -sfn $(convert_abs_rel "${_dest}" "${_reallib}") "${initdir}/${_dest}"
else
inst_simple "$_src" "$_dest"
fi
# Create additional symlinks. See rev_symlinks description.
for _symlink in $(rev_lib_symlinks $_src) $(rev_lib_symlinks $_reallib); do
[[ ! -e $initdir/$_symlink ]] && {
ddebug "Creating extra symlink: $_symlink"
inst_symlink $_symlink
}
done
}
# find a binary. If we were not passed the full path directly,
# search in the usual places to find the binary.
find_binary() {
if [[ -z ${1##/*} ]]; then
if [[ -x $1 ]] || { strstr "$1" ".so" && ldd $1 &>/dev/null; }; then
echo $1
return 0
fi
fi
type -P $1
}
# Same as above, but specialized to install binary executables.
# Install binary executable, and all shared library dependencies, if any.
inst_binary() {
local _bin _target
_bin=$(find_binary "$1") || return 1
_target=${2:-$_bin}
[[ -e $initdir/$_target ]] && return 0
[[ -L $_bin ]] && inst_symlink $_bin $_target && return 0
local _file _line
local _so_regex='([^ ]*/lib[^/]*/[^ ]*\.so[^ ]*)'
# I love bash!
LC_ALL=C ldd "$_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
inst_simple "$_bin" "$_target"
}
# same as above, except for shell scripts.
# If your shell script does not start with shebang, it is not a shell script.
inst_script() {
local _bin
_bin=$(find_binary "$1") || return 1
shift
local _line _shebang_regex
read -r -n 80 _line <"$_bin"
# If debug is set, clean unprintable chars to prevent messing up the term
[[ $debug ]] && _line=$(echo -n "$_line" | tr -c -d '[:print:][:space:]')
_shebang_regex='(#! *)(/[^ ]+).*'
[[ $_line =~ $_shebang_regex ]] || return 1
inst "${BASH_REMATCH[2]}" && inst_simple "$_bin" "$@"
}
# same as above, but specialized for symlinks
inst_symlink() {
local _src=$1 _target=${2:-$1} _realsrc
strstr "$1" "/" || return 1
[[ -L $1 ]] || return 1
[[ -L $initdir/$_target ]] && return 0
_realsrc=$(readlink -f "$_src")
if ! [[ -e $initdir/$_realsrc ]]; then
if [[ -d $_realsrc ]]; then
inst_dir "$_realsrc"
else
inst "$_realsrc"
fi
fi
[[ ! -e $initdir/${_target%/*} ]] && inst_dir "${_target%/*}"
[[ -d ${_target%/*} ]] && _target=$(readlink -f ${_target%/*})/${_target##*/}
ln -sfn $(convert_abs_rel "${_target}" "${_realsrc}") "$initdir/$_target"
}
# attempt to install any programs specified in a udev rule
inst_rule_programs() {
local _prog _bin
if grep -qE 'PROGRAM==?"[^ "]+' "$1"; then
for _prog in $(grep -E 'PROGRAM==?"[^ "]+' "$1" | sed -r 's/.*PROGRAM==?"([^ "]+).*/\1/'); do
if [ -x /lib/udev/$_prog ]; then
_bin=/lib/udev/$_prog
else
_bin=$(find_binary "$_prog") || {
dinfo "Skipping program $_prog using in udev rule $(basename $1) as it cannot be found"
continue;
}
fi
#dinfo "Installing $_bin due to it's use in the udev rule $(basename $1)"
dracut_install "$_bin"
done
fi
}
# udev rules always get installed in the same place, so
# create a function to install them to make life simpler.
inst_rules() {
local _target=/etc/udev/rules.d _rule _found
inst_dir "/lib/udev/rules.d"
inst_dir "$_target"
for _rule in "$@"; do
if [ "${rule#/}" = "$rule" ]; then
for r in /lib/udev/rules.d /etc/udev/rules.d; do
if [[ -f $r/$_rule ]]; then
_found="$r/$_rule"
inst_simple "$_found"
inst_rule_programs "$_found"
fi
done
fi
for r in '' ./ $dracutbasedir/rules.d/; do
if [[ -f ${r}$_rule ]]; then
_found="${r}$_rule"
inst_simple "$_found" "$_target/${_found##*/}"
inst_rule_programs "$_found"
fi
done
[[ $_found ]] || dinfo "Skipping udev rule: $_rule"
done
}
# general purpose installation function
# Same args as above.
inst() {
local _x
case $# in
1) ;;
2) [[ ! $initdir && -d $2 ]] && export initdir=$2
[[ $initdir = $2 ]] && set $1;;
3) [[ -z $initdir ]] && export initdir=$2
set $1 $3;;
*) dfatal "inst only takes 1 or 2 or 3 arguments"
exit 1;;
esac
for _x in inst_symlink inst_script inst_binary inst_simple; do
$_x "$@" && return 0
done
return 1
}
# install any of listed files
#
# If first argument is '-d' and second some destination path, first accessible
# source is installed into this path, otherwise it will installed in the same
# path as source. If none of listed files was installed, function return 1.
# On first successful installation it returns with 0 status.
#
# Example:
#
# inst_any -d /bin/foo /bin/bar /bin/baz
#
# Lets assume that /bin/baz exists, so it will be installed as /bin/foo in
# initramfs.
inst_any() {
local to f
[[ $1 = '-d' ]] && to="$2" && shift 2
for f in "$@"; do
if [[ -e $f ]]; then
[[ $to ]] && inst "$f" "$to" && return 0
inst "$f" && return 0
fi
done
return 1
}
# dracut_install [-o ] <file> [<file> ... ]
# Install <file> to the initramfs image
# -o optionally install the <file> and don't fail, if it is not there
dracut_install() {
local _optional=no
if [[ $1 = '-o' ]]; then
_optional=yes
shift
fi
while (($# > 0)); do
if ! inst "$1" ; then
if [[ $_optional = yes ]]; then
dinfo "Skipping program $1 as it cannot be found and is" \
"flagged to be optional"
else
dfatal "Failed to install $1"
exit 1
fi
fi
shift
done
}
# inst_libdir_file [-n <pattern>] <file> [<file>...]
# Install a <file> located on a lib directory to the initramfs image
# -n <pattern> install non-matching files
inst_libdir_file() {
if [[ "$1" == "-n" ]]; then
local _pattern=$1
shift 2
for _dir in $libdirs; do
for _i in "$@"; do
for _f in "$_dir"/$_i; do
[[ "$_i" =~ $_pattern ]] || continue
[[ -e "$_i" ]] && dracut_install "$_i"
done
done
done
else
for _dir in $libdirs; do
for _i in "$@"; do
for _f in "$_dir"/$_i; do
[[ -e "$_f" ]] && dracut_install "$_f"
done
done
done
fi
}
check_qemu() {
command -v qemu-kvm &>/dev/null && [[ -c /dev/kvm ]]
}
check_nspawn() {
[[ -d /sys/fs/cgroup/systemd ]]
}
do_test() {
if [[ $UID != "0" ]]; then
echo "TEST: $TEST_DESCRIPTION [SKIPPED]: not root" >&2
exit 0
fi
# Detect lib paths
[[ $libdir ]] || for libdir in /lib64 /lib; do
[[ -d $libdir ]] && libdirs+=" $libdir" && break
done
[[ $usrlibdir ]] || for usrlibdir in /usr/lib64 /usr/lib; do
[[ -d $usrlibdir ]] && libdirs+=" $usrlibdir" && break
done
import_testdir
while (($# > 0)); do
case $1 in
--run)
echo "TEST RUN: $TEST_DESCRIPTION"
test_run
ret=$?
if [ $ret -eq 0 ]; then
echo "TEST RUN: $TEST_DESCRIPTION [OK]"
else
echo "TEST RUN: $TEST_DESCRIPTION [FAILED]"
fi
exit $ret;;
--setup)
echo "TEST SETUP: $TEST_DESCRIPTION"
test_setup
exit $?;;
--clean)
echo "TEST CLEANUP: $TEST_DESCRIPTION"
test_cleanup
rm -fr "$TESTDIR"
rm -f .testdir
exit $?;;
--all)
echo -n "TEST: $TEST_DESCRIPTION ";
(
test_setup && test_run
ret=$?
test_cleanup
rm -fr "$TESTDIR"
rm -f .testdir
exit $ret
) </dev/null >test.log 2>&1
ret=$?
if [ $ret -eq 0 ]; then
rm test.log
echo "[OK]"
else
echo "[FAILED]"
echo "see $(pwd)/test.log"
fi
exit $ret;;
*) break ;;
esac
shift
done
}