diff options
Diffstat (limited to 'test/test-functions')
| -rw-r--r-- | test/test-functions | 636 |
1 files changed, 636 insertions, 0 deletions
diff --git a/test/test-functions b/test/test-functions new file mode 100644 index 0000000000..d0c5f6ca9e --- /dev/null +++ b/test/test-functions @@ -0,0 +1,636 @@ +#!/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 + +setup_basic_dirs() { + for d in usr/bin usr/sbin bin etc lib "$libdir" sbin tmp usr var var/log; do + [[ -e "${initdir}${prefix}/$d" ]] && continue + if [ -L "/$d" ]; then + inst_symlink "/$d" "${prefix}/$d" + else + mkdir -m 0755 -p "${initdir}${prefix}/$d" + fi + done + + for d in dev proc sys sysroot root run run/lock run/initramfs; do + if [ -L "/$d" ]; then + inst_symlink "/$d" + else + mkdir -m 0755 -p "$initdir/$d" + fi + done + + ln -sfn /run "$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() { + STATEFILE=".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 +} + +## @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 "$1" in + 1) echo F;; + 2) echo E;; + 3) echo W;; + 4) echo I;; + 5) echo D;; + 6) echo T;; + *) return 1;; + esac +} + +## @brief Internal helper function for _do_dlog() +# +# @param lvl Numeric logging level. +# @param msg Message. +# @retval 0 It's always returned, even if logging failed. +# +# @note This function is not supposed to be called manually. Please use +# dtrace(), ddebug(), or others instead which wrap this one. +# +# This function calls _do_dlog() either with parameter msg, or if +# none is given, it will read standard input and will use every line as +# a message. +# +# This enables: +# dwarn "This is a warning" +# echo "This is a warning" | dwarn +LOG_LEVEL=4 + +dlog() { + [ -z "$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 + 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 +} + +do_test() { + [[ $UID != "0" ]] && exit 0 + command -v qemu-kvm &>/dev/null || exit 0 +# 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 +} |