Ansible Playbook | Tomcat10 | Ubuntu 20.04 | Systemd | Port Confuguration

cat tomcat_install.yml 

---

 - name: Install Tomcat10 and Configure

   hosts: localhost

   become: yes

   vars: 

     tomcat_port: 8081

   tasks:

      - name: Update the System Packages

        apt:

          update_cache: yes

      - name: Create a Tomcat User

        user:

          name: tomcat

      - name: Create a Tomcat Group

        group:

          name: tomcat

      - name: Create a Tomcat Directory

        file:

          path: /opt/tomcat10

          owner: tomcat

          group: tomcat

          mode: 755

          recurse: yes

      - name: download tomcat server packages

        get_url:

          url: https://dlcdn.apache.org/tomcat/tomcat-10/v10.0.21/bin/apache-tomcat-10.0.21.tar.gz

          dest: /opt/tomcat10

      - name: extract tomcat packages

        unarchive:

          src: /opt/tomcat10/apache-tomcat-10.0.21.tar.gz

          dest: /opt/tomcat10

          remote_src: yes

      - name: Configure tomcat port as 8081

        template: 

          src: server.xml.j2

          dest: /opt/tomcat10/apache-tomcat-10.0.21/conf/server.xml

      - name: Change ownership of tomcat directory

        file:

          path: /opt/tomcat10

          owner: tomcat

          group: tomcat

          mode: "u+rwx,g+rx,o=rx"

          recurse: yes

          state: directory

      - name: Copy Tomcat service from local to remote

        copy:

          src: tomcat.service.j2

          dest: /etc/systemd/system/tomcat.service

          mode: 0755

         

      - name: Start Tomcat service

        systemd:

          name: tomcat

          state: started

          daemon_reload: true

server.xml.j2

<...>

<Connector port="{{ tomcat_port }}" protocol="HTTP/1.1"

               connectionTimeout="20000"

               redirectPort="8443" />

<...>

 cat tomcat.service.j2 

[Unit]

Description=Apache Tomcat Web Application Container

After=network.target

[Service]

Type=forking

Environment=JAVA_HOME=/usr/lib/jvm/java-11-openjdk-amd64

Environment=CATALINA_PID=/opt/tomcat10/apache-tomcat-10.0.21/temp

Environment=CATALINA_HOME=/opt/tomcat10/apache-tomcat-10.0.21

Environment=CATALINA_BASE=/opt/tomcat10/apache-tomcat-10.0.21

Environment='CATALINA_OPTS=-Xms512M -Xmx1024M -server -XX:+UseParallelGC'

Environment='JAVA_OPTS=-Djava.awt.headless=true -Djava.security.egd=file:/dev/./urandom'

ExecStart=/opt/tomcat10/apache-tomcat-10.0.21/bin/startup.sh

ExecStop=/opt/tomcat10/apache-tomcat-10.0.21/bin/shutdown.sh

User=tomcat

Group=tomcat

UMask=0007

RestartSec=10

Restart=always

[Install]

WantedBy=multi-user.target