Current File : //snap/core20/current/lib/lsb/init-functions.d/50-ubuntu-logging
# Default init script logging functions suitable for Ubuntu.
# See /lib/lsb/init-functions for usage help.
LOG_DAEMON_MSG=""
log_use_plymouth () {
if [ "${loop:-n}" = y ]; then
return 1
fi
plymouth --ping >/dev/null 2>&1
}
log_success_msg () {
echo " * $@" || true
}
log_failure_msg () {
if log_use_fancy_output; then
RED=`$TPUT setaf 1`
NORMAL=`$TPUT op`
echo " $RED*$NORMAL $@" || true
else
echo " * $@" || true
fi
}
log_warning_msg () {
if log_use_fancy_output; then
YELLOW=`$TPUT setaf 3`
NORMAL=`$TPUT op`
echo " $YELLOW*$NORMAL $@" || true
else
echo " * $@" || true
fi
}
log_begin_msg () {
log_daemon_msg "$1"
}
log_daemon_msg () {
if [ -z "$1" ]; then
return 1
fi
if log_use_fancy_output && $TPUT xenl >/dev/null 2>&1; then
COLS=`$TPUT cols`
if [ "$COLS" ] && [ "$COLS" -gt 6 ]; then
COL=`$EXPR $COLS - 7`
else
COLS=80
COL=73
fi
if log_use_plymouth; then
# If plymouth is running, don't output anything at this time
# to avoid buffering problems (LP: #752393)
if [ -z "$LOG_DAEMON_MSG" ]; then
LOG_DAEMON_MSG=$*
return
fi
fi
# We leave the cursor `hanging' about-to-wrap (see terminfo(5)
# xenl, which is approximately right). That way if the script
# prints anything then we will be on the next line and not
# overwrite part of the message.
# Previous versions of this code attempted to colour-code the
# asterisk but this can't be done reliably because in practice
# init scripts sometimes print messages even when they succeed
# and we won't be able to reliably know where the colourful
# asterisk ought to go.
printf " * $* " || true
# Enough trailing spaces for ` [fail]' to fit in; if the message
# is too long it wraps here rather than later, which is what we
# want.
$TPUT hpa `$EXPR $COLS - 1` || true
printf ' ' || true
else
echo " * $@" || true
COL=
fi
}
log_progress_msg () {
:
}
log_end_msg () {
if [ -z "$1" ]; then
return 1
fi
if [ "$COL" ] && [ -x "$TPUT" ]; then
# If plymouth is running, print previously stored output
# to avoid buffering problems (LP: #752393)
if log_use_plymouth; then
if [ -n "$LOG_DAEMON_MSG" ]; then
log_daemon_msg $LOG_DAEMON_MSG
LOG_DAEMON_MSG=""
fi
fi
printf "\r" || true
$TPUT hpa $COL
if [ "$1" -eq 0 ]; then
echo "[ OK ]" || true
else
printf '[' || true
$TPUT setaf 1 || true # red
printf fail || true
$TPUT op || true # normal
echo ']' || true
fi
else
if [ "$1" -eq 0 ]; then
echo " ...done." || true
else
echo " ...fail!" || true
fi
fi
return $1
}
log_action_msg () {
echo " * $@" || true
}
log_action_begin_msg () {
log_daemon_msg "$@..." || true
}
log_action_cont_msg () {
log_daemon_msg "$@..." || true
}
log_action_end_msg () {
# In the future this may do something with $2 as well.
log_end_msg "$1" || true
}
Mini Shell