kolla/tests/playbooks/pre.yml

---
- hosts: all
  roles:
    - bindep
  vars_files:
    - ../vars/zuul.yml
  tasks:
    - name: Create dir for kolla logs
      file:
        path: "{{ kolla_logs_dir }}"
        state: directory

    - name: Dump host info to logs
      command: "{{ ansible_user_dir }}/{{ zuul.project.src_dir }}/tools/dump_info.sh"
      args:
        chdir: "{{ kolla_logs_dir }}"

    - name: Create dir for kolla build logs
      file:
        path: "{{ kolla_build_logs_dir }}"
        state: directory

    # On RAX hosts, we have a small root partition and a large,
    # unallocated ephemeral device attached at /dev/xvde
    - name: Set ephemeral device if /dev/xvde exists
      when: ansible_devices["xvde"] is defined
      set_fact:
        ephemeral_device: "/dev/xvde"

    # On other providers, we have a device called "ephemeral0".
    - name: Set ephemeral device by label
      when: ephemeral_device is undefined
      block:
        - name: Get ephemeral0 device node
          command: /sbin/blkid -L ephemeral0
          register: ephemeral0
          # rc !=0 is expected
          failed_when: False
          changed_when: False

        - name: Set ephemeral device if LABEL exists
          when: "ephemeral0.rc == 0"
          set_fact:
            ephemeral_device: "{{ ephemeral0.stdout }}"

    - name: Configure additional disk (if available)
      become: true
      when: ephemeral_device is defined
      block:
        - name: Ensure ephemeral device is unmounted
          ansible.posix.mount:
            name: "{{ ephemeral_device }}"
            state: "{{ item }}"
          loop:
            - unmounted
            - absent

        - name: Get existing partitions
          community.general.parted:
            device: "{{ ephemeral_device }}"
            unit: MiB
            state: info
          register: ephemeral_partitions

        - name: Remove any existing partitions
          community.general.parted:
            device: "{{ ephemeral_device }}"
            number: "{{ item.num }}"
            state: absent
          loop: "{{ ephemeral_partitions.partitions }}"

        - name: Create filesystem on additional partition
          community.general.filesystem:
            fstype: ext4
            dev: "{{ ephemeral_device }}"
            opts: "-L kolla"

        - name: Ensure /var/lib/docker mountpoint is created
          ansible.builtin.file:
            path: "/var/lib/docker"
            owner: root
            group: root
            state: directory
            mode: 0755

        - name: Mount additional filesystem
          ansible.posix.mount:
            path: "/var/lib/docker"
            src: "LABEL=kolla"
            fstype: ext4
            state: mounted

    - name: Install Python3 setuptools and family
      package:
        name:
          - python3-pip
          - python3-setuptools
          - python3-virtualenv
          - python3-wheel
      become: true

    # NOTE(hrw): On RedHat systems it is part of python3-virtualenv
    - name: Install virtualenv on Debian systems
      package:
        name:
          - virtualenv
      become: true
      when:
        ansible_os_family == "Debian"

    - name: Create virtualenv
      command: python3 -m virtualenv {{ virtualenv_path }} --python python3

    - name: Install kolla
      command: "{{ virtualenv_path }}/bin/python -m pip install {{ zuul.project.src_dir }}"

    - name: Configure Docker repo for Debian/Ubuntu
      block:
        - name: Add key for Docker APT repository
          apt_key:
            url: "{{ nodepool_docker_proxy }}/{{ ansible_distribution | lower }}/gpg"
            state: present

        - name: Add Docker APT repository
          apt_repository:
            repo: "deb {{ nodepool_docker_proxy }}/{{ ansible_distribution | lower }} {{ ansible_distribution_release }} stable"
            state: present

        - name: Ensure AppArmor is installed
          package:
            name: apparmor
            state: present

      when: ansible_os_family == "Debian"
      become: true

    - name: Configure Docker repo for CentOS
      block:
        - name: Add Docker YUM repository
          yum_repository:
            name: docker
            description: Docker
            baseurl: "{{ nodepool_docker_proxy }}/centos/7/$basearch/stable"
            enabled: yes
            gpgcheck: yes
            gpgkey: "{{ nodepool_docker_proxy }}/centos/gpg"
            # module_hotfixes: True  # enabled below (dnf, not yum, feature)

        - name: Enable module_hotfixes in Docker YUM repository
          lineinfile:
            path: /etc/yum.repos.d/docker.repo
            line: 'module_hotfixes=True'
      when: ansible_os_family == "RedHat"
      become: true

    - name: Ensure /etc/docker exists
      become: true
      file:
        path: /etc/docker
        state: directory
        mode: 0755

    - name: Configure registry-mirror in daemon.json
      become: true
      copy:
        dest: /etc/docker/daemon.json
        content: |
          {
            "registry-mirrors": [
              "http://{{ zuul_site_mirror_fqdn }}:8082/"
            ]
          }          

    # NOTE(yoctozepto): We configure Docker before installing it because Debuntu starts services
    # during installation.
    - name: Install Docker
      package:
        name: docker-ce
      become: true

    - name: Ensure Docker service is started
      service:
        name: docker
        state: started
      become: true

    - name: Ensure Docker socket is world-writable
      file:
        path: /run/docker.sock
        mode: 0666
      become: true