build-micado-worker.yml

---
- name: Build MiCADO worker
  hosts: micado-target
  gather_facts: False

  pre_tasks:
    - name: (System) Ensure that python3 installed
      raw: bash -c "test -e /usr/bin/python3" || (apt -qqy update && apt install -qqy python3-minimal)
      register: output
      changed_when: not output.stdout

    - name: (System) Turn back gather_fact
      setup:

    - name: (System) Check requirements
      assert:
        that:
          "{{ item.that }}"
        msg: >
          "{{ item.msg }}"
      loop:
        - { that: "ansible_os_family == 'Debian' and ansible_distribution_version == '16.04' or ansible_distribution_version == '18.04'",
            msg: 'The required OS is Ubuntu 16.04 or 18.04' }
        - { that: "ansible_memtotal_mb >= 1950", msg: 'The minimum required memory size is 2 GB' }
        - { that: "ansible_mounts | selectattr('mount','equalto', '/') | map(attribute='size_total') | list | first >= 7000000000",
            msg: 'The minimum required disk size is 8 GB' }

    - name: (System) Waiting for automatic security updates to finish
      script: pre-task/wait-updates.sh
      register: outputsh
      changed_when: not outputsh.stdout

  roles:
    - micado-worker

  vars:

    ##################################################################################
    ##### Please do not edit under this line unless you know what you are doing. #####
    ##################################################################################

    - docker_images:
        cadvisor: gcr.io/google-containers/cadvisor:v0.34.0
        node_exporter: prom/node-exporter:v0.18.1

    - packages:
        docker_ce: "docker-ce=5:19.03.8~3-0~ubuntu-{{ ansible_distribution_release }}"
        docker_ce_cli: "docker-ce-cli=5:19.03.8~3-0~ubuntu-{{ ansible_distribution_release }}"
        containerd_io: containerd.io=1.2.13-1
        kubernetes_version: 1.18.0-00