一键安装tomcat脚本

[root@localhost7D local]# cat /usr/local/src/tomcat.sh


#!/bin/bash

. /etc/init.d/functions
DIR=`pwd`

JDK_FILE="jdk-8u291-linux-x64.tar.gz"
TOMCAT_FILE="apache-tomcat-8.5.69.tar.gz"
JDK_DIR="/usr/local"
TOMCAT_DIR="/usr/local"

install_jdk(){
if !  [  -f "$DIR/$JDK_FILE" ];then
    action "$JDK_FILE 文件不存在" false
    exit;
elif [ -d $JDK_DIR/jdk ];then
    action "JDK 已经安装" false
    exit
else
    [ -d "$JDK_DIR" ] || mkdir -pv $JDK_DIR
fi

tar xvf $DIR/$JDK_FILE  -C $JDK_DIR
cd  $JDK_DIR && ln -s jdk1.8.* jdk

cat >  /etc/profile.d/jdk.sh <<EOF
export JAVA_HOME=$JDK_DIR/jdk
export JRE_HOME=\$JAVA_HOME/jre
export CLASSPATH=\$JAVA_HOME/lib/:\$JRE_HOME/lib/
export PATH=\$PATH:\$JAVA_HOME/bin
EOF

. /etc/profile.d/jdk.sh

java -version && action "JDK 安装完成" || { action "JDK 安装失败" false ; exit; }

}
install_tomcat(){
if ! [ -f "$DIR/$TOMCAT_FILE" ];then
        action "$TOMCAT_FILE 文件不存在" false
    exit;
elif [ -d $TOMCAT_DIR/tomcat ];then
        action "TOMCAT 已经安装" false
    exit
else
    [ -d "$TOMCAT_DIR" ] || mkdir -pv $TOMCAT_DIR
fi

tar xf $DIR/$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 tomcat

cat > $TOMCAT_DIR/tomcat/conf/tomcat.conf <<EOF
JAVA_HOME=$JDK_DIR/jdk
JRE_HOME=\$JAVA_HOME/jre
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
PrivateTmp=true
User=tomcat
[Install]
WantedBy=multi-user.target
EOF

systemctl daemon-reload
systemctl enable --now tomcat.service
systemctl is-active tomcat.service &> /dev/null &&  action "TOMCAT 安装完成" || { action "TOMCAT 安装失败" false ; exit; }

}
#脚本内调用
install_jdk
install_tomcat