pet_clinic.yml

---
- name: Pet Clinic application install
  hosts: "{{ rhel_inventory_group | default(omit) }}"
  strategy: free
  gather_facts: true
  become: false
  pre_tasks:
    - name: Populate service facts
      ansible.builtin.service_facts:
  tasks:
    - name: Stat /var/lib/mysql
      ansible.builtin.stat:
        path: /var/lib/mysql
      register: datadir

    - name: Configure /data/lib/mysql directory
      block:
        - name: Substitute file contexts configured
          community.general.sefcontext:
            target: /data/lib/mysql
            substitute: /var/lib/mysql
            state: present
          become: true

        - name: Data directory created
          ansible.builtin.file:
            state: directory
            path: /data/lib/mysql
            owner: 27
            group: 27
            mode: '0755'
          become: true

        - name: Symlink created
          ansible.builtin.file:
            state: link
            src: /data/lib/mysql
            dest: /var/lib/mysql
          become: true

        - name: SELinux file context applied
          ansible.builtin.command: restorecon -Rv /var/lib/mysql /data/lib/mysql
          become: true
      when: not datadir.stat.exists

    - name: Set selinuxuser_tcp_server flag on and keep it persistent across reboots
      ansible.posix.seboolean:
        name: selinuxuser_tcp_server
        state: true
        persistent: true
      become: true
      when:
        - ansible_os_family == 'RedHat'
        - ansible_distribution_major_version|int >= 8

    - name: Adoptium yum repo enabled
      ansible.builtin.yum_repository:
        name: adoptium
        description: Adoptium repo for Temurin OpenJDK
        gpgkey: https://packages.adoptium.net/artifactory/api/gpg/key/public
        baseurl: "https://packages.adoptium.net/artifactory/rpm/rhel/{{ ansible_facts.distribution_major_version }}/x86_64"
      become: true

    - name: Middleware installed
      ansible.builtin.yum:
        name:
          - at
          - mariadb
          - mariadb-server
          - temurin-17-jdk
        state: present
      become: true

    - name: Gather package facts
      ansible.builtin.package_facts:

    - name: Port 8080/tcp enabled with firewalld
      ansible.posix.firewalld:
        port: 8080/tcp
        state: enabled
        permanent: true
        immediate: true
      become: true
      when:
        - ansible_os_family == 'RedHat'
        - ansible_distribution_major_version|int >= 7
        - ansible_facts.services['firewalld.service'] is defined and ansible_facts.services['firewalld.service'].state == 'running'
        - ansible_facts.services['firewalld.service'] is defined and ansible_facts.services['firewalld.service'].status == 'enabled'

    - name: Job spooling tools service started
      ansible.builtin.service:
        name: atd
        enabled: true
        state: started
      become: true

    - name: MariaDB database service started
      ansible.builtin.service:
        name: mariadb
        enabled: true
        state: started
      become: true

    - name: Database created
      ansible.builtin.shell: |
        mysql --user root --protocol TCP <<EOF
        CREATE DATABASE IF NOT EXISTS petclinic;
        ALTER DATABASE petclinic DEFAULT CHARACTER SET utf8 DEFAULT COLLATE utf8_general_ci;
        GRANT ALL PRIVILEGES ON petclinic.* TO 'petclinic'@'localhost' IDENTIFIED BY 'petclinic';
        FLUSH PRIVILEGES;
        EOF

    - name: Clone spring-petclinic git repo
      ansible.builtin.git:
        repo: https://github.com/spring-projects/spring-petclinic.git
        dest: "{{ ansible_facts.env.HOME }}/spring-petclinic"

    - name: Start app web service
      ansible.builtin.shell: |
        echo 'cd $HOME/spring-petclinic && ./mvnw spring-boot:run -Dspring-boot.run.profiles=mysql >> $HOME/app.log 2>&1' | at now

    - name: Wait for app service to start
      ansible.builtin.wait_for:
        port: 8080

    - name: Start on boot cron entry
      ansible.builtin.cron:
        name: Pet Clinic app start on boot
        special_time: reboot
        job: 'cd $HOME/spring-petclinic && ./mvnw spring-boot:run -Dspring-boot.run.profiles=mysql >> $HOME/app.log 2>&1'

    - name: Determine web app external URL
      ansible.builtin.uri:
        url: http://ifconfig.me/ip
        return_content: true
      register: external_ip

    - name: Declare success
      ansible.builtin.debug:
        msg:
          - The Spring Pet Clinic web app is installed and started successfully.
          - Access the app at http://{{ external_ip.content }}:8080
          - Have a nice day!
...