ryzom/server/tools/service_launcher.sh

   1 #!/bin/bash
   2 # ______                           _____ _                   _   _____           _
   3 # | ___ \                         /  ___| |                 | | |_   _|         | |
   4 # | |_/ /   _ _______  _ __ ___   \ `--.| |__   __ _ _ __ __| |   | | ___   ___ | |___
   5 # |    / | | |_  / _ \| '_ ` _ \   `--. \ '_ \ / _` | '__/ _` |   | |/ _ \ / _ \| / __|
   6 # | |\ \ |_| |/ / (_) | | | | | | /\__/ / | | | (_| | | | (_| |   | | (_) | (_) | \__ \
   7 # \_| \_\__, /___\___/|_| |_| |_| \____/|_| |_|\__,_|_|  \__,_|   \_/\___/ \___/|_|___/
   8 #        __/ |
   9 #       |___/
  10 #
  11 # Ryzom - MMORPG Framework <https://ryzom.com/dev/>
  12 # Copyright (C) 2019  Winch Gate Property Limited
  13 # This program is free software: read https://ryzom.com/dev/copying.html for more details
  14 #
  15 # This script is a service launcher that works with a command file
  16 # to determine when to launch the application that it is responsible for
  17 #
  18
  19 CWD=$(dirname "$0")
  20 . "$CWD/config.sh"
  21
  22 NAME="$1"
  23 shift
  24
  25 EXECUTABLE=$1
  26 shift
  27
  28 CTRL_CMDLINE=$*
  29
  30 mkdir -p $NAME
  31
  32 DOMAIN=shard
  33 NAME_BASE="$NAME/$NAME"
  34 CTRL_FILE=${NAME_BASE}_immediate.launch_ctrl
  35 NEXT_CTRL_FILE=${NAME_BASE}_waiting.launch_ctrl
  36 STATE_FILE=${NAME_BASE}.state
  37 START_COUNTER_FILE=${NAME_BASE}.start_count
  38
  39 echo
  40 echo ---------------------------------------------------------------------------------
  41 echo Starting service launcher
  42 echo ---------------------------------------------------------------------------------
  43 printf "%-16s = " CMDLINE         ; echo $CTRL_CMDLINE
  44 printf "%-16s = " CTRL_FILE       ; echo $CTRL_FILE
  45 printf "%-16s = " NEXT_CTRL_FILE  ; echo $NEXT_CTRL_FILE
  46 printf "%-16s = " STATE_FILE      ; echo $STATE_FILE
  47 echo ---------------------------------------------------------------------------------
  48 echo
  49
  50 # reinit the start counter
  51 echo 0 > $START_COUNTER_FILE
  52 START_COUNTER=0
  53
  54 while true
  55 do
  56         # see if the conditions are right to launch the app
  57         if [ -e $CTRL_FILE ]
  58         then
  59
  60                 # a control file exists so read it's contents
  61                 CTRL_COMMAND=_$(cat $CTRL_FILE)_
  62
  63                 # do we have a 'launch' command?
  64                 if [ $CTRL_COMMAND = _LAUNCH_ ]
  65                 then
  66
  67                         # update the start counter
  68                         START_COUNTER=$(( $START_COUNTER + 1 ))
  69                         echo $START_COUNTER > $START_COUNTER_FILE
  70
  71                         # we have a launch command so prepare, launch, wait for exit and do the housekeeping
  72                         echo -----------------------------------------------------------------------
  73                         echo Launching $(pwd) $EXECUTABLE $CTRL_CMDLINE...
  74                         echo
  75                         printf RUNNING > $STATE_FILE
  76
  77
  78                         #notify start
  79                         if [ "$NAME" = "egs" ] || [ "$NAME" = "ios" ] || [ "$NAME" = "gpms" ]
  80                         then
  81                                 sleep 2
  82                         elif [ "$NAME" = "ais_fyros" ] || [ "$NAME" = "ais_matis" ] || [ "$NAME" = "ais_tryker" ] || [ "$NAME" = "ais_roots" ] || [ "$NAME" = "ais_zorai" ] || [ "$NAME" = "ais_ark" ]
  83                         then
  84                                 sleep 4
  85                         fi
  86
  87                         echo "notifying $CWD/notify.sh ServiceStarted $NAME"
  88                         "$CWD/notify.sh" ServiceStarted $NAME
  89
  90                         export LC_ALL=C; unset LANGUAGE
  91
  92                         if [[ "$USE_GDB" == "1" ]]
  93                         then
  94                                 if [ "$NAME" = "egs" ] || [ "$NAME" = "ios" ] || [ "$NAME" = "ais_fyros" ] || [ "$NAME" = "ais_matis" ] || [ "$NAME" = "ais_tryker" ] || [ "$NAME" = "ais_roots" ] || [ "$NAME" = "ais_zorai" ] || [ "$NAME" = "ais_ark" ] || [ "$NAME" = "gpms" ]
  95                                 then
  96                                         echo "LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$SHARD_PATH/lib gdb -batch -ex 'set logging file $NAME/gdb_dump.txt' -ex 'set logging on' -ex 'run $CTRL_CMDLINE' -ex 'bt' $EXECUTABLE" > /tmp/run_$NAME
  97                                 else
  98                                         echo "LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$SHARD_PATH/lib $EXECUTABLE $CTRL_CMDLINE" > /tmp/run_$NAME
  99                                 fi
 100
 101                         else
 102                                 echo "LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$SHARD_PATH/lib $EXECUTABLE $CTRL_CMDLINE" > /tmp/run_$NAME
 103                         fi
 104
 105                         schroot -p -c atys -- sh /tmp/run_$NAME
 106                         #notify stop
 107                         "$CWD/notify.sh" ServiceStopped $NAME
 108
 109                         echo -----------------------------------------------------------------------
 110                         printf STOPPED > $STATE_FILE
 111
 112                         # consume (remove) the control file to allow start once
 113                         rm $CTRL_FILE
 114
 115                         if [[ "$AUTO_RESTART" == "0" ]]
 116                         then
 117                                 echo "Press ENTER to relaunch"
 118                                 read
 119                         fi
 120                 fi
 121         fi
 122
 123         # either we haven't launched the app yet or we have launched and it has exitted
 124         if [ -e $NEXT_CTRL_FILE ]
 125         then
 126                 # we have some kind of relaunch directive lined up so deal with it
 127                 mv $NEXT_CTRL_FILE $CTRL_FILE
 128         else
 129                 # automatic launch
 130                 printf LAUNCH > $CTRL_FILE
 131         fi
 132 done
 133