---

# See https://docs.openshift.com/container-platform/3.9/install_config/install/host_preparation.html

- name: Prepare hosts for an OpenShift 3.9 installation
  hosts: OSEv3
  become: yes
  vars:
    ocp_version: 3.9
    docker_version: 1.13.1

  tasks:
  - name: Install the required software
    yum:
      name: '{{ item }}'
      state: installed
    with_items:
    - wget
    - git
    - net-tools
    - bind-utils
    - iptables-services
    - bridge-utils
    - bash-completion
    - kexec-tools
    - sos
    - psacct

  - name: Install some optional software
    yum:
      name: '{{ item }}'
      state: installed
    with_items:
    - vim-enhanced
    - tmux
    - unzip
    - tcpdump
    - telnet
    - strace
    - man-pages
    - man
    - iptraf
    - wget
    - openssh-clients
    - httpd-tools
    - net-tools
    - nfs-utils
    - yum-utils
    tags: rpm

  - name: Make sure the system is up-to-date
    yum:
      name: '*'
      state: latest
    tags: rpm

  - name: First, disable any repos (using subscription-manager)
    command: subscription-manager repos --disable="*"
    tags: rpm

  - name: Make sure mandatory repos are enabled
    command: subscription-manager repos --enable {{ item }}
    with_items:
      - rhel-7-server-rpms
      - rhel-7-server-extras-rpms
      - rhel-7-server-ose-{{ ocp_version }}-rpms
      - rhel-7-fast-datapath-rpms # see https://access.redhat.com/solutions/3008401
      - rhel-7-server-ansible-2.4-rpms
    tags: rpm

  - name: Install Docker
    yum:
      name: 'docker-{{ docker_version }}'
      state: installed
    tags: rpm,docker

  - name: Make sure overlayfs is enabled
    lineinfile:
      path: /etc/sysconfig/docker-storage
      line: 'DOCKER_STORAGE_OPTIONS="--storage-driver overlay2"'
      regexp: '^ *DOCKER_STORAGE_OPTIONS='
      state: present
    tags: docker

  - name: Start Docker
    service:
      name: docker
      state: started
      enabled: yes
    tags: docker

  - name: Install atomic-openshift-utils
    yum:
      name: atomic-openshift-utils
      state: installed
    tags: rpm,openshift