#!/bin/sh
#
# Tomcat For UAS control script
# 
# chkconfig: 2345 61 61 
# description: The Kanban Application Server 
# 
# Source function library. 

source /etc/profile
#. /etc/rc.d/init.d/functions
#export LANG="zh_CN.UTF-8"

#JAVA_HOME=/usr/local/jdk1.7.0_55
#export JAVA_HOME=$JAVA_HOME

BASE_DIR=/home/uas/program/kanban
PROFILE=test
MAVEN_URI=http://maven.ubtob.com
PORT[0]=8063
PORT[1]=8064

CONTEXT_NAME=kanban-console
VERSION=0.0.1-SNAPSHOT
WF=$CONTEXT_NAME-$VERSION.war

run_cmd(){
    local curr=`whoami`
    local runner=uas
    if [ $curr == "root" ]; then
        runuser -l $runner -c "$1"
    elif [ $curr == $runner ]; then
        eval $1
    fi
}

start(){
    for port in ${PORT[@]};do
        startPort $port
    done
}

stop(){
    for port in ${PORT[@]};do
        stopPort $port
    done
}

restart(){
    for port in ${PORT[@]};do
        stopPort $port
        if [ ! -d $BASE_DIR/$port ]; then
            mkdir $BASE_DIR/$port
        fi
        run_cmd "cp -f $BASE_DIR/$WF $BASE_DIR/$port/$WF"
        startPort $port
        SERVICE_STATUS="curl -s -w %{http_code} localhost:$port"
        while [ "`$SERVICE_STATUS`" = "000" ];do
            echo "[Port=$port] Wait 5s for current service..."
            sleep 5
        done
    done
}

status(){
    PID_CMD="ps aux | grep $WF | grep -v 'grep' | awk '{print \$2}'"
    if [ "`eval ${PID_CMD}`" ]; then
        ps aux | grep $WF | grep -v 'grep'
    else
        echo "Service is not running."
    fi
}

update(){
    metadata_last=$BASE_DIR/maven-metadata-last.xml
    metadata=$BASE_DIR/maven-metadata.xml
    run_cmd "wget -q -O $metadata $MAVEN_URI/artifactory/libs-snapshot-local/com/uas/kanban/$CONTEXT_NAME/maven-metadata.xml"
    time_last="0"
    if [ -f $metadata_last ]; then
        time_last=`cat $metadata_last|grep lastUpdated|awk '{print substr($1,14,14)}'`
    fi
    time=`cat $metadata|grep lastUpdated|awk '{print substr($1,14,14)}'`
    if [ "$time_last" -ne "$time" ]; then
        rm -rf $metadata_last
        mv $metadata $metadata_last
        install
    fi
}

install() {
    rm -rf $BASE_DIR/$WF.bak
    if [ -f $BASE_DIR/$WF ]; then
        mv -f $BASE_DIR/$WF $BASE_DIR/$WF.bak
    fi
    echo 'Downloading war file...'
    run_cmd "wget -O $BASE_DIR/$WF $MAVEN_URI/artifactory/libs-snapshot-local/com/uas/kanban/$CONTEXT_NAME/$VERSION/$WF"
    echo 'Download succeeded'
    restart
}

startPort(){
    PID_CMD_PORT="ps aux | grep $BASE_DIR/$1/$WF | grep -v 'grep' | awk '{print \$2}'"
    if [ ! "`eval ${PID_CMD_PORT}`" ]; then
        echo "[Port=$1] Starting service..."
        cd $BASE_DIR/$1
        run_cmd "nohup java -Dserver.port=$1 -Dspring.profiles.active=$PROFILE -Dserver.context-path=/kanban -server -XX:PermSize=64M -XX:MaxPermSize=128m -jar $BASE_DIR/$1/$WF 1>/dev/null 2>$BASE_DIR/$1/nohup.log &"
    else
        echo "[Port=$1] Service is already running."
    fi
}

stopPort(){
    PID_CMD_PORT="ps aux | grep $BASE_DIR/$1/$WF | grep -v 'grep' | awk '{print \$2}'"
    if [ "`eval ${PID_CMD_PORT}`" ]; then
        echo "[Port=$1] Stopping service..."
        eval ${PID_CMD_PORT} | xargs kill -9
    else
        echo "[Port=$1] Service is not running."
    fi
}

case $1 in
    start)
        start
        ;;
    stop)
        stop
        ;;
    restart)
        restart
        ;;
    status)
        status
        ;;
    update)
        update
        ;;
    install)
        install
        ;;
    *)
        echo "Usage: $0 {start|stop|restart|status|update|install}"
        exit 1
        ;;
esac