3DS Server Control Script (3dsctl.sh)

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#!/bin/bash
#
# 3DS Server control script.
 
usage()
{
cat <<EOF
 
Usage: $0 <options> <command>
 
This script allows to control 3DS Server instances (i.e. start/stop them).
 
OPTIONS:
 
   -n      The node ID (defaults to 1)
           The node ID is used to select:
            - the server configuration in the configuration home directory (e.g. node-1.properties)
            - the extract directory (e.g. node-1)
            - the startup log file to write in the out directory (e.g. catalina.out)
            - the PID file to write in the pid directory (e.g. node.pid)
 
   -c      The configuration home directory
 
   -j      The Java options to set (optional). See examples below...
 
   -f      Keep the started java process in the foreground (optional).
 
   -h      Show this message
 
COMMANDS:
 
   start          Starts an 3DS Server node
   stop           Stops an 3DS Server node
   configreload   Reloads the 3DS Server configuration (only if valid)
   licensetest    Validates the 3DS Server license without actually reloading it
   licensereload  Reloads the 3DS Server license (only if valid)
 
 
Java option examples:
 
   Set the maximum heap space for the 3DS Server to 1024 MB and the maximum PermGen space to 256 MB:
     -Xmx1024m -XX:MaxPermSize=256m
 
   Enable JSSE (Java Secure Socket Extension) debug output
   (Check http://docs.oracle.com/javase/8/docs/technotes/guides/security/jsse/JSSERefGuide.html#Debug for details):
     -Djavax.net.debug=all
 
EOF
}
 
# Set defaults for command line arguments
THREEDS_HOME=$(cd $(dirname "$0")/..; pwd)
THREEDS_CONFIG_HOME="$THREEDS_HOME/conf/"
NODE_ID="1"
JAVA_OPTS=""
DAEMON_MODE="true"
NODE_PROPERTIES="$THREEDS_CONFIG_HOME/node"
APPLICATION_PROPERTIES="$THREEDS_CONFIG_HOME/application.properties"
NODE_HOST="127.0.0.1"
NODE_PORT=""
CONFIGURATION_RELOAD_PATH="admin/configuration/reload-cache"
LICENSE_RELOAD_PATH="reload/license"
DRY_RUN_PARAM="?dryRun=true"
 
# Read command line arguments
while getopts "fn:c:j:h" OPTION
do
  case $OPTION in
    c)
      THREEDS_CONFIG_HOME=$OPTARG
      ;;
    j)
      JAVA_OPTS=$OPTARG
      ;;
    f)
      DAEMON_MODE="false"
      ;;
    n)
      NODE_ID=$OPTARG
      ;;
    h)
      usage
      exit
      ;;
    \?)
      echo "Unknown option: -$OPTARG" >&2
      exit 1
      ;;
    :)
      echo "Missing option argument for -$OPTARG" >&2
      exit 1
      ;;
    *)
      echo "Unimplemented option: -$OPTARG" >&2
      exit 1
      ;;
  esac
done
shift $(($OPTIND-1))
 
# Set variables
# if THREEDS_CONFIG_HOME is a directory, add / here
if [[ -d $THREEDS_CONFIG_HOME ]]; then
  config_length=${#THREEDS_CONFIG_HOME}
  last_char=${THREEDS_CONFIG_HOME:config_length-1:1}
  [ $last_char != "/" ] && THREEDS_CONFIG_HOME="$THREEDS_CONFIG_HOME/";
else
  echo "$THREEDS_CONFIG_HOME is not a directory";
  exit 1;
fi
NODE_DIR="node-$NODE_ID"
THREEDS_JAR="$THREEDS_HOME/lib/nca-3ds-server.jar"
PID_FILE="$THREEDS_HOME/$NODE_DIR/pid/node.pid"
CATALINA_OUT="$THREEDS_HOME/$NODE_DIR/out/catalina.out"
CURRENT_DATE=`date +"%Y-%m-%d"`
 
# Check files and directories
assert_file_exists_and_is_readable()
{
  if [[ ! -f $1 || ! -r $1 ]]; then
    echo "File $1 doesn't exist or is not readable" >&2
    exit 1
  fi
}
assert_directory_exists_and_is_writable()
{
  if [[ ! -d $1 || ! -w $1 ]]; then
    echo "Directory $1 doesn't exist or is not writable" >&2
    exit 1
  fi
}
create_directory_if_not_exists()
{
  if [[ ! -d $1 ]]; then
    mkdir $1
  fi
}
 
# Read node port and hostname
function read_node_port() {
    NODE_PROPERTIES="$NODE_PROPERTIES-$NODE_ID.properties"
    if [ -f $NODE_PROPERTIES ]
        then
            NODE_PORT=$(grep "^server.port" $NODE_PROPERTIES|cut -d'=' -f2)
    fi
    if [[ $NODE_PORT = "" ]]
        then
            NODE_PORT=$(grep "^server.port" $APPLICATION_PROPERTIES|cut -d'=' -f2)
    fi
    if [[ $NODE_PORT = "" ]]
        then
            echo "could not find server port for node $NODE_ID"
            exit 1
    fi
}
 
assert_file_exists_and_is_readable $THREEDS_JAR
assert_directory_exists_and_is_writable "$THREEDS_HOME"
create_directory_if_not_exists "$THREEDS_HOME/$NODE_DIR/"
create_directory_if_not_exists "$THREEDS_HOME/$NODE_DIR/pid/"
create_directory_if_not_exists "$THREEDS_HOME/$NODE_DIR/out/"
 
# Execute command
COMMAND=$1
case $COMMAND in
  start)
    if [[ -e $PID_FILE ]]; then
      PID=$(<$PID_FILE)
      CURRENT_PID=`ps aux | awk '{print $2}'  | grep "^$PID$"`
        if [[ "$CURRENT_PID" -eq "$PID" ]]; then
        echo "3DS Server node seems to be already started (there is a active PID for this node)"
        exit 0
      else
        rm $PID_FILE
      fi
    fi
    echo "Starting 3DS Server on node $NODE_ID"
    cd $THREEDS_HOME/$NODE_DIR/
 
    if [[ $DAEMON_MODE = "true" ]]; then
      java $JAVA_OPTS -jar $THREEDS_JAR --spring.config.name=application,node-$NODE_ID --spring.config.additional-location=$THREEDS_CONFIG_HOME > $CATALINA_OUT 2>&1 &
      echo $! > $PID_FILE
    else
      java $JAVA_OPTS -jar $THREEDS_JAR --spring.config.name=application,node-$NODE_ID --spring.config.additional-location=$THREEDS_CONFIG_HOME
    fi
    ;;
 
  stop)
    if [[ ! -e $PID_FILE ]]; then
      echo "3DS Server node seems not to be started (there is no PID file for this node)"
      exit 0
    fi
    PID=$(<$PID_FILE)
    echo "Stopping 3DS Server on node $NODE_ID"
    kill $PID
    rm $PID_FILE
    echo "3DS Server node is stopped"
    ;;
 
  configreload)
    read_node_port
    curl -X POST https://$NODE_HOST:$NODE_PORT/$CONFIGURATION_RELOAD_PATH --header "Accept:application/json" -k
    ;;
 
  licensetest)
    read_node_port
    curl -X POST https://$NODE_HOST:$NODE_PORT/$LICENSE_RELOAD_PATH$DRY_RUN_PARAM --header "Accept:application/json" -k
    ;;
 
  licensereload)
    read_node_port
    curl -X POST https://$NODE_HOST:$NODE_PORT/$LICENSE_RELOAD_PATH --header "Accept:application/json" -k
    ;;
 
  *)
    usage
    exit 1
    ;;
esac