Modification de l'initscript pour qu'il recrée le dossier/fichier de PID si il n...

(/var/run, reboot, tout ça…)

diff --git a/initscript b/initscript
new file mode 100755 (executable)
index 0000000..780b01b
--- /dev/null
+++ b/initscript
@@ -0,0 +1,218 @@
+#! /bin/sh
+### BEGIN INIT INFO
+# Provides:          salesman
+# Required-Start:    $remote_fs $syslog
+# Required-Stop:     $remote_fs $syslog
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+# Short-Description: salesman, le bot IRC
+# Description:       salesman est un bot IRC codé par 20-100
+#                    Il joue à donner des capitales/départements
+### END INIT INFO
+
+# Author: Vincent Le Gallic <legallic@crans.org>
+
+# Do NOT "set -e"
+
+# PATH should only include /usr/* if it runs after the mountnfs.sh script
+PATH=/sbin:/usr/sbin:/bin:/usr/bin
+DESC="bot IRC geography-quizz"
+PYTHON=/usr/bin/python
+BASENAME=salesman
+DIRECTORY=/home/salesman/salesman
+SCRIPT=$DIRECTORY/$BASENAME.py
+EXEC="$PYTHON $SCRIPT"
+USER=salesman
+SCRIPT_ARGS="crans --daemon"
+PIDDIR=/var/run/bots/
+PIDFILE=$PIDDIR$BASENAME.pid
+SCRIPTNAME=/etc/init.d/$BASENAME
+
+
+# Load the VERBOSE setting and other rcS variables
+. /lib/init/vars.sh
+
+# 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
+
+_repair()
+{
+       # Répare /var/run/bots si il était pas bon
+       mkdir -p $PIDDIR
+       chown root:bots $PIDDIR
+       chmod g+w $PIDDIR
+}
+
+# To check if the process is running
+_check_is_running()
+{
+       # On récupère le PID (écrit dans ce fichier par le script la dernière fois qu'il a été lancé)
+       pid=`cat $PIDFILE`
+       # On va voir si le process tourne toujours
+       test -x /proc/$pid || return 1 # aucun process de ce PID ne tourne
+       # On regarde si il a les bons arguments
+       egrep -q ^$PYTHON /proc/$pid/cmdline || return 1 # il y a bien un process de ce PID, mais ce n'est pas python
+       grep -q $SCRIPT /proc/$pid/cmdline || return 1 # il y a bien un PID, c'est bien python, mais il ne lance pas le bot
+       return 0
+}
+
+_is_running()
+{
+       test -x $PIDDIR
+        if [ $? -ne 0 ]
+        then
+               _repair
+       fi
+       if test -f $PIDFILE
+       then
+               _check_is_running
+               return $?
+       else
+               touch $PIDFILE 2>&1 >/dev/null
+               chown $USER:bots $PIDFILE 2>&1 >/dev/null
+               if test -f $PIDFILE
+               then
+                       _check_is_running
+                       return $?
+               else
+                       echo -n "Failed to read $PIDFILE"
+                       return 0
+               fi
+       fi
+}
+#
+# Function that starts the daemon
+#
+do_start()
+{
+       # Return
+       #   0 if daemon has been started
+       #   1 if daemon was already running
+       #   2 if daemon could not be started
+       if _is_running
+       then
+               return 1
+       else
+               sudo -u $USER $PYTHON $SCRIPT $SCRIPT_ARGS
+               [ "$?" = 0 ] || return 2
+       fi
+}
+
+#
+# Function that stops the daemon
+#
+do_stop()
+{
+       # Return
+       #   0 if daemon has been stopped
+       #   1 if daemon was already stopped
+       #   2 if daemon could not be stopped
+       #   other if a failure occurred
+       if _is_running
+       then
+               pid=`cat $PIDFILE`
+               kill -15 $pid
+               if [ "$?" = 0 ]
+               then
+                       return 0
+               else
+                       sleep 10
+                       kill -9 $pid
+               fi
+       else
+               return 1
+       fi
+}
+
+#
+# Function that sends a SIGHUP to the daemon
+#
+do_reload() {
+       # Return
+       #   0 if reload has been done
+       #   1 if daemon was not running
+       #   2 if reload could not be achieved
+       if _is_running
+       then
+               pid=`cat $PIDFILE`
+               kill -1 $pid
+               [ "$?" = 0 ] || return 2
+       else
+               return 1
+       fi
+}
+
+#
+# The actual initscript
+#
+case "$1" in
+  start)
+       log_daemon_msg "Starting $DESC" "$BASENAME"
+       do_start
+       case "$?" in
+               0) log_end_msg 0 ;;
+               1) echo -n " was already running"; log_end_msg 1 ;;
+               2) log_end_msg 1 ;;
+       esac
+       ;;
+  stop)
+       log_daemon_msg "Stopping $DESC" "$BASENAME"
+       do_stop
+       case "$?" in
+               0) log_end_msg 0 ;;
+               1) echo -n " was not running"; log_end_msg 1 ;;
+               2) log_end_msg 1 ;;
+       esac
+       ;;
+  status)
+       if _is_running
+       then
+               log_action_msg "$BASENAME is running"
+       else
+               log_action_msg "$BASENAME is NOT running"
+       fi
+       ;;
+  reload|force-reload)
+       log_daemon_msg "Reloading $DESC" "$BASENAME"
+       do_reload
+       case "$?" in
+               0) log_end_msg 0 ;;
+               1) echo -n " was not running"; log_end_msg 1 ;;
+               2) log_end_msg 1;;
+       esac
+       ;;
+  restart)
+       log_daemon_msg "Restarting $DESC" "$BASENAME"
+       do_stop
+       case "$?" in
+         0|1)
+               do_start
+               case "$?" in
+                       0) log_end_msg 0 ;;
+                       1) log_end_msg 1 ;; # Old process is still running
+                       *) log_end_msg 1 ;; # Failed to start
+               esac
+               ;;
+         *)
+               # Failed to stop
+               log_end_msg 1
+               ;;
+       esac
+       ;;
+  running)
+       if _is_running
+       then
+               echo "Running"
+       else
+               echo "Not running"
+       fi
+       ;;
+  *)
+       log_action_msg "Usage: $SCRIPTNAME {start|stop|status|restart|reload|force-reload}" >&2
+       exit 3
+       ;;
+esac
+
+true