omni-ansible/playbooks/initialize.yml

---
- name: Bootstrap remote ansible environment
  hosts: all

  tags:
    - always
  vars:
    # Set this fact to allow the bootstrap play to run using the native system python
    # interpreter. A variable defined here is only in scope while this specific play
    # is being run; once this play is done this value is dropped and the default value
    # (which is actually set in the inventory file to the interpreter created by this
    # play) will be used.
    ansible_python_interpreter: /usr/bin/python3
  tasks:
    - name: Determine runtime settings
      set_fact:
        _runtime_clean: "{{ true if (clean | bool) else false }}"
        _runtime_update: "{{ true if (update | bool) else false }}"
        _runtime_update_state: "{{ 'latest' if (update | bool) else 'present' }}"

    - name: Clean bootstrap virtualenv
      when: _runtime_clean
      become: true
      file:
        path: "{{ omni_ansible_venv }}"
        state: absent

    - name: Create bootstrap virtualenv directory
      become: true
      file:
        path: "{{ omni_ansible_venv }}"
        state: directory
        owner: "{{ ansible_user }}"
        group: "{{ ansible_user }}"
        mode: 0755

    - name: Create bootstrap virtualenv
      command:
        cmd: "{{ ansible_python_interpreter }} -m venv {{ omni_ansible_venv }} --system-site-packages"
        creates: "{{ omni_ansible_venv }}/bin/python"

    # - name: Assign ownership of the virtualenv to ansible
    #   become: true
    #   file:
    #     path: "{{ omni_ansible_venv }}"
    #     state: directory
    #     owner: "{{ ansible_user }}"
    #     group: "{{ ansible_user }}"
    #     mode: 0755
    #     follow: false

    - name: Generate remote requirements file locally
      delegate_to: 127.0.0.1
      command:
        cmd: poetry export --format requirements.txt
      changed_when: false
      register: _poetry_requirements

    - name: Copy remote requirements file
      blockinfile:
        path: "{{ omni_ansible_venv }}/req.txt"
        create: true
        block: "{{ _poetry_requirements.stdout_lines | join('\n') }}"
        mode: 0644

    - name: Install remote requirements
      pip:
        executable: "{{ omni_ansible_venv }}/bin/pip"
        requirements: "{{ omni_ansible_venv }}/req.txt"
        state: present

    - name: Install CentOS 8 python bindings
      when: ansible_distribution == "CentOS" and ansible_distribution_major_version == "8"
      become: true
      dnf:
        state: "{{ _runtime_update_state }}"
        name:
          - python3-libselinux
          - python3-policycoreutils
          - python3-firewall

    - name: Install CentOS 7 python bindings
      when: ansible_distribution == "CentOS" and ansible_distribution_major_version == "7"
      become: true
      yum:
        state: "{{ _runtime_update_state }}"
        name:
          - libselinux-python
          - policycoreutils-python
          - python-firewall

    - name: Install Fedora python bindings
      when: ansible_distribution == "Fedora"
      become: true
      dnf:
        state: "{{ _runtime_update_state }}"
        name:
          - libselinux-python
          - policycoreutils-python
          - python3-firewall


- name: Check meta environment
  hosts: all
  tags:
    - always
  tasks:
    - name: Check required operating system
      when: omni_os is defined
      assert:
        that:
          - omni_os.name == ansible_distribution | lower
          - omni_os.version_major == ansible_distribution_major_version
        fail_msg: >-
          Remote is running OS '{{ ansible_distribution }} {{ ansible_distribution_major_version }}',
          expected '{{ omni_os.name }} {{ omni_os.version_major }}'          
        success_msg: >-
          Remote is running expected OS '{{ ansible_distribution }}
          {{ ansible_distribution_major_version }}'          

    - name: Check required interpreter settings
      assert:
        that:
          - ansible_python_interpreter.startswith(omni_ansible_venv) is true
        fail_msg: >-
          Interpreter '{{ ansible_python_interpreter }}'
          is not in the expected venv '{{ omni_ansible_venv }}'          
        success_msg: Interpreter '{{ ansible_python_interpreter }}' is in the expected venv"