docs/etc_init.d/fixbot-nexus
changeset 42 ccd6d5632ca0
parent 27 bce1f781f127
child 43 78bc61c677d8
equal deleted inserted replaced
41:9be5b4525e78 42:ccd6d5632ca0
       
     1 #! /bin/sh
       
     2 ### BEGIN INIT INFO
       
     3 # Provides:          fixbot-nexus
       
     4 # Required-Start:    $remote_fs
       
     5 # Required-Stop:     $remote_fs
       
     6 # Default-Start:     2 3 4 5
       
     7 # Default-Stop:      0 1 6
       
     8 # Short-Description: FixBot Nexus component
       
     9 # Description:       Acts as the IRC bot, and provides an API server that other components may connect to 
       
    10 ### END INIT INFO
       
    11 
       
    12 # Author: Tero Marttila <terom@fixme.fi>
       
    13 
       
    14 # Do NOT "set -e"
       
    15 
       
    16 # PATH should only include /usr/* if it runs after the mountnfs.sh script
       
    17 PATH=/sbin:/usr/sbin:/bin:/usr/bin
       
    18 
       
    19 # fixbot stuff
       
    20 FIXBOT_NAME=fixbot-nexus
       
    21 # what plugin to run
       
    22 TWISTD_PLUGIN=fixbot_nexus
       
    23 DESC="FixBot Nexus component"
       
    24 PIDFILE=/var/run/$FIXBOT_NAME.pid
       
    25 SCRIPTNAME=/etc/init.d/$FIXBOT_NAME
       
    26 # custom arguments to twistd(1)
       
    27 TWISTD_ARGS=
       
    28 # custom arguments to fixbot, see `twistd fixbot_nexus --help`
       
    29 FIXBOT_ARGS=
       
    30 
       
    31 
       
    32 # twistd stuff
       
    33 DAEMON_NAME=twistd
       
    34 DAEMON=/usr/bin/$DAEMON_NAME
       
    35 
       
    36 # Exit if the package is not installed
       
    37 [ -x "$DAEMON" ] || exit 0
       
    38 
       
    39 # Read configuration variable file if it is present
       
    40 [ -r /etc/default/$FIXBOT_NAME ] && . /etc/default/$FIXBOT_NAME
       
    41 
       
    42 # what arguments we run with
       
    43 DAEMON_ARGS="--pidfile=$PIDFILE $TWISTD_ARGS $TWISTD_PLUGIN $FIXBOT_ARGS"
       
    44 
       
    45 # Load the VERBOSE setting and other rcS variables
       
    46 . /lib/init/vars.sh
       
    47 
       
    48 # Define LSB log_* functions.
       
    49 # Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
       
    50 . /lib/lsb/init-functions
       
    51 
       
    52 #
       
    53 # Function that starts the daemon/service
       
    54 #
       
    55 do_start()
       
    56 {
       
    57 	# Return
       
    58 	#   0 if daemon has been started
       
    59 	#   1 if daemon was already running
       
    60 	#   2 if daemon could not be started
       
    61 	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \
       
    62 		|| return 1
       
    63 	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- \
       
    64 		$DAEMON_ARGS \
       
    65 		|| return 2
       
    66 	# Add code here, if necessary, that waits for the process to be ready
       
    67 	# to handle requests from services started subsequently which depend
       
    68 	# on this one.  As a last resort, sleep for some time.
       
    69 }
       
    70 
       
    71 #
       
    72 # Function that stops the daemon/service
       
    73 #
       
    74 do_stop()
       
    75 {
       
    76 	# Return
       
    77 	#   0 if daemon has been stopped
       
    78 	#   1 if daemon was already stopped
       
    79 	#   2 if daemon could not be stopped
       
    80 	#   other if a failure occurred
       
    81 	start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $DAEMON_NAME
       
    82 	RETVAL="$?"
       
    83 	[ "$RETVAL" = 2 ] && return 2
       
    84 	# Wait for children to finish too if this is a daemon that forks
       
    85 	# and if the daemon is only ever run from this initscript.
       
    86 	# If the above conditions are not satisfied then add some other code
       
    87 	# that waits for the process to drop all resources that could be
       
    88 	# needed by services started subsequently.  A last resort is to
       
    89 	# sleep for some time.
       
    90 	start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON
       
    91 	[ "$?" = 2 ] && return 2
       
    92 	# Many daemons don't delete their pidfiles when they exit.
       
    93 	rm -f $PIDFILE
       
    94 	return "$RETVAL"
       
    95 }
       
    96 
       
    97 #
       
    98 # Function that sends a SIGHUP to the daemon/service
       
    99 #
       
   100 do_reload() {
       
   101 	#
       
   102 	# If the daemon can reload its configuration without
       
   103 	# restarting (for example, when it is sent a SIGHUP),
       
   104 	# then implement that here.
       
   105 	#
       
   106 	start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME_DAEMON
       
   107 	return 0
       
   108 }
       
   109 
       
   110 case "$1" in
       
   111   start)
       
   112 	[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$FIXBOT_NAME"
       
   113 	do_start
       
   114 	case "$?" in
       
   115 		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
       
   116 		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
       
   117 	esac
       
   118 	;;
       
   119   stop)
       
   120 	[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$FIXBOT_NAME"
       
   121 	do_stop
       
   122 	case "$?" in
       
   123 		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
       
   124 		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
       
   125 	esac
       
   126 	;;
       
   127   #reload|force-reload)
       
   128 	#
       
   129 	# If do_reload() is not implemented then leave this commented out
       
   130 	# and leave 'force-reload' as an alias for 'restart'.
       
   131 	#
       
   132 	#log_daemon_msg "Reloading $DESC" "$NAME"
       
   133 	#do_reload
       
   134 	#log_end_msg $?
       
   135 	#;;
       
   136   restart|force-reload)
       
   137 	#
       
   138 	# If the "reload" option is implemented then remove the
       
   139 	# 'force-reload' alias
       
   140 	#
       
   141 	log_daemon_msg "Restarting $DESC" "$FIXBOT_NAME"
       
   142 	do_stop
       
   143 	case "$?" in
       
   144 	  0|1)
       
   145 		do_start
       
   146 		case "$?" in
       
   147 			0) log_end_msg 0 ;;
       
   148 			1) log_end_msg 1 ;; # Old process is still running
       
   149 			*) log_end_msg 1 ;; # Failed to start
       
   150 		esac
       
   151 		;;
       
   152 	  *)
       
   153 	  	# Failed to stop
       
   154 		log_end_msg 1
       
   155 		;;
       
   156 	esac
       
   157 	;;
       
   158   *)
       
   159 	#echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2
       
   160 	echo "Usage: $SCRIPTNAME {start|stop|restart|force-reload}" >&2
       
   161 	exit 3
       
   162 	;;
       
   163 esac
       
   164 
       
   165 :