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#!/bin/sh
# See init-d-script(5) for instructions on how to use this library.
#=============================================================================
# Shift arguments early to fix #826214
__init_d_script_name="$1"
shift
# Define LSB log_* functions.
# Depend on lsb-base (>= 3.2-14) to ensure that this file is present
# and status_of_proc is working.
. /lib/lsb/init-functions
# PATH should only include /usr/* if it runs after the mountnfs.sh
# script. Scripts running before mountnfs.sh should remove the /usr/*
# entries.
PATH=/usr/sbin:/usr/bin:/sbin:/bin
export PATH
is_call_implemented() {
PATH= command -V $1 >/dev/null 2>&1
}
do_usage() {
if is_call_implemented do_reload ; then
echo "Usage: $SCRIPTNAME {start|stop|status|reload|restart|try-restart|force-reload}" >&2
else
echo "Usage: $SCRIPTNAME {start|stop|status|restart|try-restart|force-reload}" >&2
fi
}
call() {
cmd="$1"
shift
if is_call_implemented ${cmd}_override ; then
${cmd}_override "$@"
else
${cmd} "$@"
fi
}
#
# Function that starts the daemon/service
#
do_start_cmd() {
start-stop-daemon --start --quiet \
${PIDFILE:+--pidfile "$PIDFILE"} \
${COMMAND_NAME:+--name "$COMMAND_NAME"} \
${DAEMON:+--exec "$DAEMON"} $START_ARGS -- $DAEMON_ARGS
}
do_start()
{
if is_call_implemented do_start_prepare ; then
call do_start_prepare
fi
log_daemon_msg "Starting $DESC" "$NAME"
call do_start_cmd
retval=$?
if [ "$retval" = 1 ] && [ no != "$VERBOSE" ] ; then
log_progress_msg "is already running"
fi
retval=$(( $retval > 1 ))
vlog_end_msg $retval
if is_call_implemented do_start_cleanup ; then
call do_start_cleanup
fi
return $retval
}
#
# Function that stops the daemon/service
#
do_stop_cmd() {
start-stop-daemon --stop --quiet \
--retry=TERM/0/CONT/30/KILL/5 \
${PIDFILE:+--pidfile "$PIDFILE"} \
${COMMAND_NAME:+--name "$COMMAND_NAME"} \
${DAEMON:+--exec "$DAEMON"} $STOP_ARGS
RETVAL="$?"
[ "$RETVAL" = 2 ] && return 2
# Wait for children to finish too if this is a daemon that forks
# and if the daemon is only ever run from this initscript.
# If the above conditions are not satisfied then add some other code
# that waits for the process to drop all resources that could be
# needed by services started subsequently. A last resort is to
# sleep for some time.
if [ -n "$DAEMON" ] ; then
start-stop-daemon --stop --quiet --oknodo \
--retry=0/30/KILL/5 --exec "$DAEMON" $STOP_ARGS
[ "$?" = 2 ] && return 2
fi
# Many daemons don't delete their pidfiles when they exit.
rm -f $PIDFILE
return $RETVAL
}
do_stop()
{
if is_call_implemented do_stop_prepare ; then
call do_stop_prepare
fi
vlog_daemon_msg "Stopping $DESC" "$NAME"
call do_stop_cmd
retval=$?
if [ "$retval" = 1 ] && [ no != "$VERBOSE" ] ; then
log_progress_msg "is not running"
fi
retval=$(( $retval > 1 ))
vlog_end_msg $retval
if is_call_implemented do_stop_cleanup ; then
call do_stop_cleanup
fi
return $retval
}
do_restart() {
if is_call_implemented do_restart_prepare ; then
call do_restart_prepare
fi
vlog_daemon_msg "Restarting $DESC" "$NAME"
call do_stop_cmd
retval=$(( $? > 1 ))
if [ $retval -eq 0 ] ; then
call do_start_cmd
retval=$(( $? > 1 ))
fi
vlog_end_msg $retval
if is_call_implemented do_restart_cleanup ; then
call do_restart_cleanup
fi
return $retval
}
# Wrapper for do_reload_cmd
do_reload_wrapper() {
if is_call_implemented do_reload_prepare ; then
call do_reload_prepare
fi
vlog_daemon_msg "Reloading $DESC configuration files" "$NAME"
call do_reload_cmd
retval=$(( $? != 0 ))
vlog_end_msg $retval
if is_call_implemented do_reload_cleanup ; then
call do_reload_cleanup
fi
return $retval
}
# To enable this function, RELOAD_SIGNAL should be set to the kill signal
do_reload_signal() {
start-stop-daemon --stop --signal $RELOAD_SIGNAL --quiet \
${PIDFILE:+--pidfile "$PIDFILE"} \
${COMMAND_NAME:+--name "$COMMAND_NAME"} \
${DAEMON:+--exec "$DAEMON"} $RELOAD_ARGS
}
# Deprecated: use RELOAD_SIGNAL instead for newer scripts
# Enable this using
# alias do_reload=do_reload_sigusr1
do_reload_sigusr1() {
RELOAD_SIGNAL=1
do_reload_cmd() { do_reload_signal; }
do_reload_wrapper
}
do_status() {
status_of_proc ${PIDFILE:+-p "$PIDFILE"} "${DAEMON:-none}" "$NAME"
}
if [ "$DEBUG" = "true" ] ; then
set -x
fi
# Unset configuration variables to make sure that if variable is not assigned a
# value in init script, it does not use one from environment. See #822918.
unset DAEMON DAEMON_ARGS DESC NAME COMMAND_NAME PIDFILE \
RELOAD_ARGS RELOAD_SIGNAL START_ARGS STOP_ARGS
SCRIPTNAME="$__init_d_script_name"
scriptbasename=${__init_d_script_name##*/}
if [ "$scriptbasename" != "init-d-script" ] ; then
. "$__init_d_script_name"
else
exit 0
fi
: ${NAME:=${DAEMON##*/}}
: ${DESC:=$NAME}
: ${COMMAND_NAME:=${NAME}}
# Do not use pid file if $PIDFILE is 'none'. Otherwise, generate from
# $NAME or use the value provided by the init.d script.
if [ none = "$PIDFILE" ] ; then
PIDFILE=
elif [ -z "$PIDFILE" ] ; then
PIDFILE=/var/run/$NAME.pid
fi
# Read configuration variable file if it is present
[ -r "/etc/default/${NAME}" ] && . "/etc/default/${NAME}"
# Exit if the package is not installed
if [ none != "$DAEMON" ] && [ ! -x "$DAEMON" ] ; then
exit 0
fi
# Do not use DAEMON or COMMAND_NAME if they are set to 'none'.
[ none = "$DAEMON" ] && DAEMON=
[ none = "$COMMAND_NAME" ] && COMMAND_NAME=
# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh
if [ -t 0 ] ; then # Be verbose when called from a terminal
VERBOSE=yes
fi
# Setup do_reload if not already defined
if ! is_call_implemented do_reload ; then
if ! is_call_implemented do_reload_cmd && [ -n "$RELOAD_SIGNAL" ]
then
do_reload_cmd() { do_reload_signal; }
fi
if is_call_implemented do_reload_cmd ; then
alias do_reload=do_reload_wrapper
fi
fi
case "$1" in
start)
call do_start
;;
stop)
call do_stop
;;
status)
call do_status
;;
reload)
if is_call_implemented do_reload ; then
do_reload
else
call do_usage
exit 3
fi
;;
force-reload)
if is_call_implemented do_force_reload ; then
call do_force_reload
elif is_call_implemented do_reload ; then
do_reload
else
call do_restart
fi
;;
restart)
call do_restart
;;
try-restart)
vlog_daemon_msg "Trying to restart $DESC" "$NAME"
if (call do_status) >/dev/null ; then
(call do_restart) >/dev/null
else
[ no != "$VERBOSE" ] && log_progress_msg "is not running"
true
fi
vlog_end_msg $?
;;
'')
call do_usage
exit 3
;;
*)
if is_call_implemented do_unknown ; then
call do_unknown "$1"
exit 3
else
call do_usage
exit 3
fi
;;
esac
exit $? # See https://bugs.debian.org/822753#53
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