tmarble/posts/Setting_Up_MediaGoblin/etc/init.d/mediagoblin-paster

   1 #!/bin/sh
   2 # /etc/init.d/mediagoblin-paster
   3 #
   4 ## LICENSE: CC0 <http://creativecommons.org/publicdomain/zero/1.0/>
   5 # To the extent possible under law, Joar Wandborg <http://wandborg.se> has
   6 # waived all copyright and related or neighboring rights to
   7 # mediagoblin-paster. This work is published from Sweden.
   8 #
   9 ## CREDIT
  10 # Credit goes to jpope <http://jpope.org/> and
  11 # chimo <http://chimo.chromic.org/>. From which' Arch init scripts this is
  12 # based upon.
  13 #
  14 ### BEGIN INIT INFO
  15 # Provides:          mediagoblin-paster
  16 # Required-Start:    $network $named $local_fs
  17 # Required-Stop:     $remote_fs $syslog $network $named $local_fs
  18 # Should-Start:      postgresql $syslog
  19 # Default-Start:     2 3 4 5
  20 # Default-Stop:      0 1 6
  21 # Short-Description: MediaGoblin paster FCGI server init script
  22 # Description:       This script will initiate the GNU MediaGoblin paster
  23 #                    fcgi server.
  24 ### END INIT INFO
  25
  26 ################################################################################
  27 # CHANGE THIS
  28 # to suit your environment
  29 ################################################################################
  30 MG_ROOT=/srv/mediagoblin
  31 ################################################################################
  32 # NOW STOP
  33 # You probably won't have to change anything else.
  34 ################################################################################
  35
  36 set -e
  37
  38 DAEMON_NAME=mediagoblin-paster
  39
  40 MG_BIN=$MG_ROOT/bin
  41 MG_PASTER_BIN=$MG_BIN/paster
  42 MG_PASTE_INI=$MG_ROOT/paste_local.ini
  43 MG_USER=www-data
  44 MG_FCGI_HOST=127.0.0.1
  45 MG_FCGI_PORT=26543
  46 MG_PASTER_PID_FILE=/var/run/mediagoblin/$DAEMON_NAME.pid
  47 MG_PASTER_LOG_FILE=/var/log/mediagoblin/$DAEMON_NAME.log
  48
  49 set_up_directories() {
  50     install -o $MG_USER -g users -d -m 755 /var/log/mediagoblin
  51     install -o $MG_USER -g users -d -m 755 /var/run/mediagoblin
  52 }
  53
  54 set_up_directories
  55
  56 # Include LSB helper functions
  57 . /lib/lsb/init-functions
  58
  59 getPID () {
  60     # Discard any errors from cat
  61     cat $MG_PASTER_PID_FILE 2>/dev/null
  62 }
  63
  64 case "$1" in
  65     start)
  66         # Start the MediaGoblin paster process
  67         log_daemon_msg "Starting GNU MediaGoblin paster fcgi server" "$DAEMON_NAME"
  68         if [ -z "$(getPID)" ]; then
  69             su -s /bin/sh -c "CELERY_ALWAYS_EAGER=False $MG_PASTER_BIN serve \
  70                 $MG_PASTE_INI \
  71                 --server-name=fcgi \
  72                 fcgi_host=$MG_FCGI_HOST fcgi_port=$MG_FCGI_PORT \
  73                 --pid-file=$MG_PASTER_PID_FILE \
  74                 --log-file=$MG_PASTER_LOG_FILE \
  75                 --daemon" - $MG_USER 2>&1 > /dev/null
  76
  77             PASTER_RESULT=$?
  78
  79             # Sleep for a while until we're kind of certain that paster has
  80             # had it's time to initialize
  81             TRIES=0
  82             while ! [ "X$PASTER_RESULT" != "X" ]; do
  83                 log_action_msg "Tried $TRIES time(s)"
  84                 sleep 0.1
  85                 TRIES=$((TRIES+1))
  86             done
  87
  88             log_end_msg $PASTER_RESULT
  89         else
  90             # Failed because the PID file indicates it's running
  91             log_action_msg "PID file $MG_PASTER_BIN already exists"
  92             log_end_msg 1
  93         fi
  94         ;;
  95     stop)
  96         log_daemon_msg "Stopping GNU MediaGoblin paster fcgi server" "$DAEMON_NAME"
  97         if [ -z "$(getPID)" ]; then
  98             # Failed because the PID file indicates it's not running
  99             RET=1
 100         else
 101             kill $(getPID)
 102
 103             if [ $? -gt 0 ]; then
 104                 RET=1
 105             else
 106                 RET=0
 107             fi
 108         fi
 109         log_end_msg $RET
 110         ;;
 111     restart)
 112         $0 stop
 113         sleep 3
 114         $0 start
 115         ;;
 116     status)
 117         if ! [ -z "$(getPID)" ]; then
 118             echo "$DAEMON_NAME start/running, process $(getPID)"
 119         else
 120             echo "$DAEMON_NAME stopped."
 121         fi
 122         ;;
 123     *)
 124         echo "Usage: $0 {restart|start|stop|status}"
 125         exit 1
 126         ;;
 127 esac
 128
 129 exit 0