CentOS7にJRE11+Tomcat9を導入するスクリプト

install-tomcat.sh

#!/bin/bash

set -ue

# 必要に応じて
# yum update -y

# Tomcatユーザの作成
useradd -s /sbin/nologin --no-create-home tomcat

# JDK11を導入
yum install java-11-openjdk-headless

# Tomcatのダウンロードと展開
curl -LO http://ftp.riken.jp/net/apache/tomcat/tomcat-9/v9.0.14/bin/apache-tomcat-9.0.14.tar.gz
tar xf apache-tomcat-9.0.14.tar.gz
rm -f apache-tomcat-9.0.14.tar.gz
mv --no-target-directory apache-tomcat-9.0.14 /opt/tomcat

# CATALINA_BASEとなる場所に必要なものを作る（適当）
mkdir -p /var/lib/tomcat/run
mkdir -p /var/lib/tomcat/webapps
\cp -rpf /opt/tomcat/{conf,lib,logs,temp} /var/lib/tomcat
chown -R tomcat.tomcat /opt/tomcat /var/lib/tomcat

# Systemd用のファイルを作成
cat << '__EOF__' | sudo tee /etc/systemd/system/tomcat.service
# ref: https://gist.github.com/drmalex07/e6e99dad070a78d5dab24ff3ae032ed1

[Unit]
Description=Tomcat
After=syslog.target network.target

[Service]
Type=forking

User=tomcat
Group=tomcat

WorkingDirectory=/var/lib/tomcat

Environment="JAVA_HOME=/usr/lib/jvm/jre"
Environment="JAVA_OPTS=-Djava.security.egd=file:///dev/urandom"

Environment="CATALINA_PID=/var/lib/tomcat/run/tomcat.pid"
Environment="CATALINA_BASE=/var/lib/tomcat"
Environment="CATALINA_HOME=/opt/tomcat"
Environment="CATALINA_OPTS=-Xms512M -Xmx1024M"

PIDFile=/var/lib/tomcat/run/tomcat.pid
ExecStart=/opt/tomcat/bin/startup.sh
ExecStop=/opt/tomcat/bin/shutdown.sh

[Install]
WantedBy=multi-user.target

__EOF__

# サービス登録
systemctl daemon-reload
systemctl start tomcat
systemctl enable tomcat