# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-__DRACUT_LOGGER__=1
-
+export __DRACUT_LOGGER__=1
## @brief Logging facility module for dracut both at build- and boot-time.
#
#
# @see dlog_init()
-
## @brief Initializes dracut Logger.
#
# @retval 1 if something has gone wrong
# See file doc comment for details.
dlog_init() {
local __oldumask
- local ret=0; local errmsg
+ local ret=0
+ local errmsg
[ -z "$stdloglvl" ] && stdloglvl=4
[ -z "$sysloglvl" ] && sysloglvl=0
[ -z "$kmsgloglvl" ] && kmsgloglvl=0
if [ -z "$fileloglvl" ]; then
[ -w "$logfile" ] && fileloglvl=4 || fileloglvl=0
- elif (( $fileloglvl > 0 )); then
+ elif ((fileloglvl > 0)); then
if [[ $logfile ]]; then
__oldumask=$(umask)
umask 0377
- ! [ -e "$logfile" ] && >"$logfile"
- umask $__oldumask
- if [ -w "$logfile" -a -f "$logfile" ]; then
- # Mark new run in the log file
- echo >>"$logfile"
- if command -v date >/dev/null; then
- echo "=== $(date) ===" >>"$logfile"
+ ! [ -e "$logfile" ] && : > "$logfile"
+ umask "$__oldumask"
+ if [[ -w $logfile ]] && [[ -f $logfile ]]; then
+ # Mark new run in the log file
+ echo >> "$logfile"
+ if command -v date > /dev/null; then
+ echo "=== $(date) ===" >> "$logfile"
else
- echo "===============================================" >>"$logfile"
+ echo "===============================================" >> "$logfile"
fi
- echo >>"$logfile"
+ echo >> "$logfile"
else
- # We cannot log to file, so turn this facility off.
+ # We cannot log to file, so turn this facility off.
fileloglvl=0
ret=1
errmsg="'$logfile' is not a writable file"
fi
fi
- if (( $UID != 0 )); then
+ if ((UID != 0)); then
kmsgloglvl=0
sysloglvl=0
fi
- if (( $sysloglvl > 0 )); then
+ if ((sysloglvl > 0)); then
if [[ -d /run/systemd/journal ]] \
- && type -P systemd-cat &>/dev/null \
- && systemctl --quiet is-active systemd-journald.socket &>/dev/null \
- && { echo "dracut-$DRACUT_VERSION" | systemd-cat -t 'dracut' &>/dev/null; } ; then
- readonly _dlogdir="$(mktemp --tmpdir="$TMPDIR/" -d -t dracut-log.XXXXXX)"
- readonly _systemdcatfile="$_dlogdir/systemd-cat"
+ && type -P systemd-cat &> /dev/null \
+ && systemctl --quiet is-active systemd-journald.socket &> /dev/null \
+ && { echo "dracut-$DRACUT_VERSION" | systemd-cat -t 'dracut' &> /dev/null; }; then
+ readonly _systemdcatfile="$DRACUT_TMPDIR/systemd-cat"
mkfifo "$_systemdcatfile"
readonly _dlogfd=15
- systemd-cat -t 'dracut' --level-prefix=true <"$_systemdcatfile" &
- exec 15>"$_systemdcatfile"
- elif ! [ -S /dev/log -a -w /dev/log ] || ! command -v logger >/dev/null; then
+ systemd-cat -t 'dracut' --level-prefix=true < "$_systemdcatfile" &
+ exec 15> "$_systemdcatfile"
+ elif ! ([[ -S /dev/log ]] && [[ -w /dev/log ]] && command -v logger > /dev/null); then
# We cannot log to syslog, so turn this facility off.
kmsgloglvl=$sysloglvl
sysloglvl=0
fi
fi
- if (($sysloglvl > 0)) || (($kmsgloglvl > 0 )); then
+ if ((sysloglvl > 0)) || ((kmsgloglvl > 0)); then
if [ -n "$dracutbasedir" ]; then
readonly syslogfacility=user
else
export syslogfacility
fi
- local lvl; local maxloglvl_l=0
+ local lvl
+ local maxloglvl_l=0
for lvl in $stdloglvl $sysloglvl $fileloglvl $kmsgloglvl; do
- (( $lvl > $maxloglvl_l )) && maxloglvl_l=$lvl
+ ((lvl > maxloglvl_l)) && maxloglvl_l=$lvl
done
readonly maxloglvl=$maxloglvl_l
export maxloglvl
-
- if (($stdloglvl < 6)) && (($kmsgloglvl < 6)) && (($fileloglvl < 6)) && (($sysloglvl < 6)); then
+ if ((stdloglvl < 6)) && ((kmsgloglvl < 6)) && ((fileloglvl < 6)) && ((sysloglvl < 6)); then
unset dtrace
- dtrace() { :; };
+ dtrace() { :; }
fi
- if (($stdloglvl < 5)) && (($kmsgloglvl < 5)) && (($fileloglvl < 5)) && (($sysloglvl < 5)); then
+ if ((stdloglvl < 5)) && ((kmsgloglvl < 5)) && ((fileloglvl < 5)) && ((sysloglvl < 5)); then
unset ddebug
- ddebug() { :; };
+ ddebug() { :; }
fi
- if (($stdloglvl < 4)) && (($kmsgloglvl < 4)) && (($fileloglvl < 4)) && (($sysloglvl < 4)); then
+ if ((stdloglvl < 4)) && ((kmsgloglvl < 4)) && ((fileloglvl < 4)) && ((sysloglvl < 4)); then
unset dinfo
- dinfo() { :; };
+ dinfo() { :; }
fi
- if (($stdloglvl < 3)) && (($kmsgloglvl < 3)) && (($fileloglvl < 3)) && (($sysloglvl < 3)); then
+ if ((stdloglvl < 3)) && ((kmsgloglvl < 3)) && ((fileloglvl < 3)) && ((sysloglvl < 3)); then
unset dwarn
- dwarn() { :; };
+ dwarn() { :; }
unset dwarning
- dwarning() { :; };
+ dwarning() { :; }
fi
- if (($stdloglvl < 2)) && (($kmsgloglvl < 2)) && (($fileloglvl < 2)) && (($sysloglvl < 2)); then
+ if ((stdloglvl < 2)) && ((kmsgloglvl < 2)) && ((fileloglvl < 2)) && ((sysloglvl < 2)); then
unset derror
- derror() { :; };
+ derror() { :; }
fi
- if (($stdloglvl < 1)) && (($kmsgloglvl < 1)) && (($fileloglvl < 1)) && (($sysloglvl < 1)); then
+ if ((stdloglvl < 1)) && ((kmsgloglvl < 1)) && ((fileloglvl < 1)) && ((sysloglvl < 1)); then
unset dfatal
- dfatal() { :; };
+ dfatal() { :; }
fi
[ -n "$errmsg" ] && derror "$errmsg"
# @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;;
+ 1) echo F ;;
+ 2) echo E ;;
+ 3) echo W ;;
+ 4) echo I ;;
+ 5) echo D ;;
+ 6) echo T ;;
+ *) return 1 ;;
esac
}
# @retval 0 if @a lvl is correct.
# @result Echoes logger priority.
_lvl2syspri() {
- printf $syslogfacility.
+ printf -- "%s" "$syslogfacility."
case "$1" in
- 1) echo crit;;
- 2) echo error;;
- 3) echo warning;;
- 4) echo info;;
- 5) echo debug;;
- 6) echo debug;;
- *) return 1;;
+ 1) echo crit ;;
+ 2) echo error ;;
+ 3) echo warning ;;
+ 4) echo info ;;
+ 5) echo debug ;;
+ 6) echo debug ;;
+ *) return 1 ;;
esac
}
local lvl
case "$1" in
- 1) lvl=2;;
- 2) lvl=3;;
- 3) lvl=4;;
- 4) lvl=6;;
- 5) lvl=7;;
- 6) lvl=7;;
- *) return 1;;
+ 1) lvl=2 ;;
+ 2) lvl=3 ;;
+ 3) lvl=4 ;;
+ 4) lvl=6 ;;
+ 5) lvl=7 ;;
+ 6) lvl=7 ;;
+ *) return 1 ;;
esac
- [ "$syslogfacility" = user ] && echo $((8+$lvl)) || echo $((24+$lvl))
+ [ "$syslogfacility" = user ] && echo $((8 + lvl)) || echo $((24 + lvl))
}
## @brief Prints to stderr and/or writes to file, to syslog and/or /dev/kmsg
# - @c INFO to @c info
# - @c DEBUG and @c TRACE both to @c debug
_do_dlog() {
- local lvl="$1"; shift
- local lvlc=$(_lvl2char "$lvl") || return 0
+ local lvlc
+ local lvl="$1"
+ shift
+ lvlc=$(_lvl2char "$lvl") || return 0
local msg="$*"
local lmsg="$lvlc: $*"
- (( $lvl <= $stdloglvl )) && echo "$msg" >&2
+ ((lvl <= stdloglvl)) && printf -- 'dracut[%s]: %s\n' "$lvlc" "$msg" >&2
- if (( $lvl <= $sysloglvl )); then
+ if ((lvl <= sysloglvl)); then
if [[ "$_dlogfd" ]]; then
- printf -- "<%s>%s\n" "$(($(_dlvl2syslvl $lvl) & 7))" "$msg" >&$_dlogfd
+ printf -- "<%s>%s\n" "$(($(_dlvl2syslvl "$lvl") & 7))" "$msg" >&$_dlogfd
else
- logger -t "dracut[$$]" -p $(_lvl2syspri $lvl) -- "$msg"
+ logger -t "dracut[$$]" -p "$(_lvl2syspri "$lvl")" -- "$msg"
fi
fi
- if (( $lvl <= $fileloglvl )) && [[ -w "$logfile" ]] && [[ -f "$logfile" ]]; then
- echo "$lmsg" >>"$logfile"
+ if ((lvl <= fileloglvl)) && [[ -w $logfile ]] && [[ -f $logfile ]]; then
+ echo "$lmsg" >> "$logfile"
fi
- (( $lvl <= $kmsgloglvl )) && \
- echo "<$(_dlvl2syslvl $lvl)>dracut[$$] $msg" >/dev/kmsg
+ ((lvl <= kmsgloglvl)) \
+ && echo "<$(_dlvl2syslvl "$lvl")>dracut[$$] $msg" > /dev/kmsg
}
## @brief Internal helper function for _do_dlog()
# echo "This is a warning" | dwarn
dlog() {
[ -z "$maxloglvl" ] && return 0
- (( $1 <= $maxloglvl )) || return 0
+ (($1 <= maxloglvl)) || return 0
- if (( $# > 1 )); then
+ if (($# > 1)); then
_do_dlog "$@"
else
- while read line || [ -n "$line" ]; do
+ while read -r line || [ -n "$line" ]; do
_do_dlog "$1" "$line"
done
fi
dtrace() {
set +x
dlog 6 "$@"
- [ -n "$debug" ] && set -x || :
+ if [ -n "$debug" ]; then
+ set -x
+ fi
}
## @brief Logs message at DEBUG level (5)
ddebug() {
set +x
dlog 5 "$@"
- [ -n "$debug" ] && set -x || :
+ if [ -n "$debug" ]; then
+ set -x
+ fi
}
## @brief Logs message at INFO level (4)
dinfo() {
set +x
dlog 4 "$@"
- [ -n "$debug" ] && set -x || :
+ if [ -n "$debug" ]; then
+ set -x
+ fi
}
## @brief Logs message at WARN level (3)
dwarn() {
set +x
dlog 3 "$@"
- [ -n "$debug" ] && set -x || :
+ if [ -n "$debug" ]; then
+ set -x
+ fi
}
## @brief It's an alias to dwarn() function.
dwarning() {
set +x
dwarn "$@"
- [ -n "$debug" ] && set -x || :
+ if [ -n "$debug" ]; then
+ set -x
+ fi
}
## @brief Logs message at ERROR level (2)
derror() {
set +x
dlog 2 "$@"
- [ -n "$debug" ] && set -x || :
+ if [ -n "$debug" ]; then
+ set -x
+ fi
}
## @brief Logs message at FATAL level (1)
dfatal() {
set +x
dlog 1 "$@"
- [ -n "$debug" ] && set -x || :
+ if [ -n "$debug" ]; then
+ set -x
+ fi
}
projects / thirdparty / dracut.git / blobdiff