BOSH102 app_ctl

app_ctl.sh

#!/bin/bash

JOB_NAME=app
RUN_DIR=/var/vcap/sys/run/$JOB_NAME
LOG_DIR=/var/vcap/sys/log/$JOB_NAME
CONFIG_DIR=/var/vcap/jobs/$JOB_NAME/config
EPHEMERAL=/var/vcap/data/$JOB_NAME
PERSISTENT=/var/vcap/store/$JOB_NAME
PIDFILE=$RUN_DIR/$JOB_NAME.pid
RUNAS=vcap

exec 1>> $LOG_DIR/$JOB_NAME.stdout.log
exec 2>> $LOG_DIR/$JOB_NAME.stderr.log

case $1 in

  start)
    mkdir -p $RUN_DIR $LOG_DIR $EPHEMERAL
    chown -R $RUNAS:$RUNAS $RUN_DIR $LOG_DIR $EPHEMERAL $PERSISTENT

    ## Start Code Here
    PATH=$PATH:/var/vcap/packages/ruby/bin/
    gem install sinatra
    echo $$ > $PIDFILE
    exec ruby /var/vcap/packages/app/app.rb -o 0.0.0.0 -p 80
    ;;

  stop)
    PID=$(cat $PIDFILE)
    if [ -n $PID ]; then
      SIGNAL=TERM
      N=1
      while kill -$SIGNAL $PID 2>/dev/null; do
        if [ $N -eq 1 ]; then
          echo "waiting for pid $PID to die"
        fi
        if [ $N -eq 11 ]; then
          echo "giving up on pid $PID with kill -TERM; trying -KILL"
          SIGNAL=KILL
        fi
        if [ $N -gt 20 ]; then
          echo "giving up on pid $PID"
          break
        fi
        N=$(($N+1))
        sleep 1
      done
    fi
    ;;

  *)
  echo "Usage: app_ctl {start|stop}" ;;
esac