Playbook for installation of Jenkins server on RHEL derived distros.

jenkins.yml

---
- name: install and start jenkins
  hosts: web
  become: yes

  tasks:
    - name: add redhat-stable jenkins repo
      ansible.builtin.get_url:
        url: https://pkg.jenkins.io/redhat-stable/jenkins.repo
        dest: /etc/yum.repos.d/jenkins.repo
    - name: import jenkins public pgp keys
      ansible.builtin.rpm_key:
        key: https://pkg.jenkins.io/redhat-stable/jenkins.io.key
        state: present
    - name: update all packages
      yum:
        name: '*'
        state: latest
    - name: install dependencies 
      command: amazon-linux-extras install java-openjdk11 -y
    - name: install jenkins
      yum:
        name:
          - jenkins
    - name: run systemctl daemon-reload
      ansible.builtin.systemd:
        daemon_reload: yes
    - name: start jenkins
      ansible.builtin.systemd:
        name: jenkins
        state: started
    - name: get initialAdminPassword
      command: cat /var/lib/jenkins/secrets/initialAdminPassword
      changed_when: false
      register: initialPassword
    - name: print initialAdminPassword
      debug:
        var: initialPassword.stdout_lines