#!/bin/bash

# http://ftp.cixug.es/apache/tomcat/tomcat-8/v8.5.39/bin/apache-tomcat-8.5.39.tar.gz
TOMCAT_TGZ="apache-tomcat-8.5.39.tar.gz"
TOMCAT_URL_DOWNLOAD="http://<local>:9090/${TOMCAT_TGZ}"
TOMCAT_PATH="/opt/tomcat"
JAVA_PATH="/usr/lib/jvm/java-7-oracle"
JAVA_TGZ="jdk-7u80-linux-x64.tar.gz"
JAVA_URL_DOWNLOAD="http://<local>:9090/${JAVA_TGZ}"
DEBIAN_FRONTEND=noninteractive

sudo apt-get -y update
sudo apt-get install -y curl > /dev/null 2>&1

sudo curl ${JAVA_URL_DOWNLOAD} --output /tmp/${JAVA_TGZ}
sudo mkdir -p ${JAVA_PATH}
sudo tar xzvf /tmp/${JAVA_TGZ} -C ${JAVA_PATH} --strip-components=1
sudo rm /tmp/${JAVA_TGZ}
sudo chown -R root:root ${JAVA_PATH}
sudo echo "JAVA_HOME=\"${JAVA_PATH}/bin/\"" >> /etc/environment
sudo echo "PATH=\"${PATH}:${JAVA_PATH}/bin:${JAVA_PATH}/db/bin:${JAVA_PATH}/jre/bin\"" >> /etc/environment

sudo groupadd tomcat
sudo useradd -s /bin/false/ -g tomcat -d ${TOMCAT_PATH} tomcat
sudo mkdir -p ${TOMCAT_PATH}
sudo curl ${TOMCAT_URL_DOWNLOAD} --output /tmp/${TOMCAT_TGZ}
sudo tar xzvf /tmp/${TOMCAT_TGZ} -C ${TOMCAT_PATH} --strip-components=1
sudo rm /tmp/${TOMCAT_TGZ}
sudo chgrp -R tomcat ${TOMCAT_PATH}
sudo chmod -R g+r ${TOMCAT_PATH}/conf
sudo chmod g+x ${TOMCAT_PATH}/conf
sudo chown -R tomcat ${TOMCAT_PATH}/webapps/ ${TOMCAT_PATH}/work/ ${TOMCAT_PATH}/temp/ ${TOMCAT_PATH}/logs/
sudo sed -i.bak "19,20d" /opt/tomcat/webapps/host-manager/META-INF/context.xml
sudo sed -i.bak "19,20d" /opt/tomcat/webapps/manager/META-INF/context.xml

sudo mv /tmp/tomcat.service /etc/systemd/system/tomcat.service
sudo sed -i "s|REPLACE_PATH_HERE|${JAVA_PATH}|g" /etc/systemd/system/tomcat.service
sudo systemctl daemon-reload
sudo systemctl enable tomcat
sudo sed -i '/<\/tomcat-users>/ i\  <user username="admin" password="admin" roles="admin,manager-gui,admin-gui"/>' ${TOMCAT_PATH}/conf/tomcat-users.xml
sudo systemctl start tomcat
sudo echo "CATALINA_HOME=\"${TOMCAT_PATH}\"" >> /etc/environment