OCP hosts preparation scripts - docker 1.13 above

preparation-host.yml

---
- hosts: clients
  tasks:
  - name: Install additional packages needed
    yum:
      name: "{{ item }}"
      state: latest
    with_items:
    - wget
    - git
    - net-tools
    - bind-utils
    - iptables-services
    - bridge-utils
    - bash-completion
    - kexec-tools
    - sos
    - psacct
    - atomic-openshift-utils
    - docker
    - atomic-openshift-excluder
    - atomic-openshift-docker-excluder

  - name: Run Openshift Excluder
    shell: atomic-openshift-excluder unexclude

  - name: Check sdb availability
    stat:
      path: /dev/sdb
    register: vdbavail
    
  - name: Change docker storage config
    lineinfile:
      path: /etc/sysconfig/docker-storage-setup
      regexp: '^STORAGE_DRIVER'
      line: '#STORAGE_DRIVER=overlay2'
      
  - name: Change docker storage config
    lineinfile:
      path: /etc/sysconfig/docker-storage-setup
      regexp: '^CONTAINER_THINPOOL'
      line: '#CONTAINER_THINPOOL=docker-pool'

  - name: Add additional line in docker storage config
    lineinfile:
      path: /etc/sysconfig/docker-storage-setup
      line: 'DEVS=/dev/sdb'

  - name: Add additional line in docker storage config
    lineinfile:
      path: /etc/sysconfig/docker-storage-setup
      line: 'VG=docker-vg'

  - name: Run Docker storage setup
    shell: 'docker-storage-setup'
    when: vdbavail.stat.exists == true

  - name: Enable and Start docker service
    systemd:
      name: docker
      enabled: yes
      state: started
      
  - name: Stop firewalld service
    systemd:
      name: firewalld
      state: stopped