setup-jenkins-ci-centos.yml

---
- hosts: do_jenkins
  vars:
    upgrade_all_packages: false

  tasks:
    - name: Test connectivity
      ping:

    - name: Upgrade all packages
      yum:
        name: '*'
        state: latest
      when: upgrade_all_packages

    - name: Enabling the EPEL repo
      yum:
        name:
          - epel-release

    - name: Install required packages for Docker
      yum:
        name:
          - yum-utils
          - device-mapper-persistent-data
          - lvm2

    - name: Add Docker CE repository
      yum_repository:
        name: docker-ce-stable
        description: Docker CE Stable - $basearch
        baseurl: https://download.docker.com/linux/centos/7/$basearch/stable
        gpgkey: https://download.docker.com/linux/centos/gpg
        gpgcheck: yes

    - name: Install Docker CE
      yum:
        name:
          - docker-ce
          - docker-ce-cli
          - containerd.io

    - name: Start service Docker, if not started
      service:
        enabled: yes
        name: docker
        state: started
    
    - name: Get GID of docker
      getent:
        database: group
        key: docker
    
    - debug:
        var: getent_group.docker[1]

    - name: Install Python PIP
      yum:
        name:
          - python-pip

    - name: Install Docker SDK for Python
      pip:
        name:
          - docker >= 1.8.0
          - PyYAML >= 3.11
          - docker-compose >= 1.7.0

    - name: Copy files of jenkins on the control node to the tmp on the remote hosts
      copy:
        src: jenkins
        dest: /tmp
    
    - name: Build the Jenkins CI image
      docker_image:
        name: my-jenkins
        build:
          path: /tmp/jenkins
          args:
            docker_gid: "{{ getent_group.docker[1] }}"
          pull: yes
        force_source: yes
        source: build

    - name: Create and start services
      docker_compose:
        project_src: /tmp/jenkins
        restarted: yes
      register: jenkins_output

    - debug:
        var: jenkins_output