install_jenkins.yaml

---
- name: Install Jenkins
  hosts: jenkins-ci
  gather_facts: false
  become: true
  
  tasks:
    - name: Ensure the jenkins apt repository key is installed
      apt_key: 
        url: https://pkg.jenkins.io/debian-stable/jenkins.io.key
        state: present

    - name: Ensure the repository is configured
      apt_repository: 
        repo: deb https://pkg.jenkins.io/debian-stable binary/ 
        state: present

    - name: Install Jenkins
      apt:
        name: jenkins
        state: present

    - name: Start & Enable Jenkins
      service: 
        name: jenkins
        state: started

    - name: Sleep for 30 seconds and continue with play
      wait_for: 
        timeout: 30

    - name: Get init password Jenkins
      shell: cat /var/lib/jenkins/secrets/initialAdminPassword
      changed_when: false
      register: result

    - name: Print init password Jenkins
      debug:
        var: result.stdout