#!/bin/bash

TOMCAT_VERSION=9.0.90
TOMCAT_FILE="apache-tomcat-${TOMCAT_VERSION}.tar.gz"

JDK_DIR="/usr/local"
TOMCAT_DIR="/usr/local"

color () {
    RES_COL=60
    MOVE_TO_COL="echo -en \\033[${RES_COL}G"
    SETCOLOR_SUCCESS="echo -en \\033[1;32m"
    SETCOLOR_FAILURE="echo -en \\033[1;31m"
    SETCOLOR_WARNING="echo -en \\033[1;33m"
    SETCOLOR_NORMAL="echo -en \E[0m"
    echo -n "$2" && $MOVE_TO_COL
    echo -n "["
    if [ $1 = "success" -o $1 = "0" ] ;then
        ${SETCOLOR_SUCCESS}
        echo -n $"  OK  "    
    elif [ $1 = "failure" -o $1 = "1"  ] ;then
        ${SETCOLOR_FAILURE}
        echo -n $"FAILED"
    else
        ${SETCOLOR_WARNING}
        echo -n $"WARNING"
    fi
    ${SETCOLOR_NORMAL}
    echo -n "]"
    echo                                                                                                                              
}

install_tomcat(){
if [ ! -e "./$TOMCAT_FILE" ];then
    color 1 "$TOMCAT_FILE 文件不存在" 
    exit; 
elif [ -d $TOMCAT_DIR/tomcat ];then
    color 1 "TOMCAT 已经安装" 
    exit
fi
tar xf ./$TOMCAT_FILE  -C $TOMCAT_DIR
cd  $TOMCAT_DIR && ln -s apache-tomcat-*/  tomcat
echo "PATH=$TOMCAT_DIR/tomcat/bin:"'$PATH' > /etc/profile.d/tomcat.sh
id tomcat &> /dev/null || useradd -r -s /sbin/nologin -M  -d $TOMCAT_DIR/tomcat  tomcat

cat > $TOMCAT_DIR/tomcat/conf/tomcat.conf <<EOF
JAVA_HOME=$JDK_DIR/jdk
EOF

chown -R tomcat.tomcat $TOMCAT_DIR/tomcat/

cat > /lib/systemd/system/tomcat.service  <<EOF
[Unit]
Description=Tomcat
#After=syslog.target network.target remote-fs.target nss-lookup.target
After=syslog.target network.target 

[Service]
Type=forking
EnvironmentFile=$TOMCAT_DIR/tomcat/conf/tomcat.conf
ExecStart=$TOMCAT_DIR/tomcat/bin/startup.sh
ExecStop=$TOMCAT_DIR/tomcat/bin/shutdown.sh
RestartSec=3
PrivateTmp=true
User=tomcat
Group=tomcat

[Install]
WantedBy=multi-user.target
EOF
systemctl daemon-reload
systemctl enable --now tomcat.service &> /dev/null
systemctl is-active tomcat.service &> /dev/null &&  color 0 "TOMCAT 安装完成" || { color 1 "TOMCAT 安装失败" ; exit; }

}

install_tomcat