zcashd/contrib/ci-workers/unix.yml

---
- name: Configure a Buildbot worker for Zcash CI
  hosts: zcash-ci-worker-unix
  become: true
  gather_facts: False

  vars_files:
    - vars/default.yml

  pre_tasks:
    - name: Install Python 2 for Ansible and Buildbot
      raw: test -e /usr/bin/python || test -e /usr/bin/python2 || test -e /usr/bin/python2.7 || test -e /usr/local/bin/python2.7 || (test -e /usr/bin/apt && apt -qqy update && apt install -qqy python) || (test -e /usr/bin/dnf && dnf install -qqy python2) || (test -e /usr/sbin/pkg && pkg install -qqy python2)
      register: output
      changed_when:
        - output.stdout != ""
        - output.stdout != "\r\n"

    - name: Check if Python is in the configured location
      raw: test -e {{ ansible_python_interpreter }}
      ignore_errors: true
      register: python_check
      when: ansible_python_interpreter is defined

    - name: Fail if configured Python is unavailable
      fail:
        msg: Python is not accessible at {{ ansible_python_interpreter }} on this host! Please set the inventory variable 'ansible_python_interpreter' to the location of the Python 2 binary.
      when: ansible_python_interpreter is defined and python_check.rc == 1

    - name: Check if Python is in the default location
      raw: test -e /usr/bin/python
      ignore_errors: true
      register: python_check
      when: ansible_python_interpreter is undefined

    - name: Fail if default Python is unavailable
      fail:
        msg: Python is not accessible at /usr/bin/python on this host! Please set the inventory variable 'ansible_python_interpreter' to the location of the Python 2 binary.
      when: ansible_python_interpreter is undefined and python_check.rc == 1

    - name: Gathering Facts
      setup:

  tasks:
    - name: Get dependencies for distribution
      include_vars: "{{ item }}"
      with_first_found:
        - files:
            - "vars/{{ ansible_distribution }}-{{ ansible_distribution_version }}.yml"
            - "vars/{{ ansible_distribution }}-{{ ansible_distribution_major_version | int }}.yml"
            - "vars/{{ ansible_distribution }}.yml"
            - "vars/{{ ansible_os_family }}.yml"
          skip: true

    - name: Collate dependencies
      set_fact:
        package_deps: "{{ buildbot_deps + fetch_deps + conf_deps + build_deps + link_deps + dist_deps }}"
        python_modules: "{{ buildbot_modules + rpc_test_modules }}"

    - name: Install required packages
      package:
        name: "{{ item }}"
        state: present
      with_items: "{{ package_deps }}"

    - name: Install required Python modules
      pip:
        name: "{{ item }}"
        state: latest
      with_items: "{{ python_modules }}"