---
- hosts: nimbus-1.net.enp.one
  name: Deploy documentation
  vars:
    # Local directory to use for cloning and building the documentation site
    DIR_BUILD: /tmp/docs
    # Remote directory to install the site at
    DIR_DEPLOY: /usr/share/nginx/doc.enp.one/html
  tasks:
    - name: Build the static site locally
      delegate_to: 127.0.0.1
      block:
        - name: Ensure the build directory does not exist
          file:
            path: "{{ DIR_BUILD }}"
            state: absent
        - name: Clone documentation repository
          git:
            repo: git@vcs.enp.one:omni/omni-docs.git
            dest: "{{ DIR_BUILD }}/"
        - name: Generate build env requirements file
          # Generate the requirements.txt style format, pipe through grep to remove
          # the index line (not sure why thats included at all tbh) and save the
          # result in "requirements.txt" to usage with pip
          shell: pipenv lock --requirements | grep --invert-match "\-i">requirements.txt
          args:
            chdir: "{{ DIR_BUILD }}/"
        - name: Create build env and install requirements
          pip:
            requirements: "{{ DIR_BUILD }}/requirements.txt"
            virtualenv: "{{ DIR_BUILD }}/venv"
            virtualenv_python: python3
            state: present
        - name: Build the static site using mkdocs
          shell: "{{ DIR_BUILD }}/venv/bin/mkdocs build"
          args:
            chdir: "{{ DIR_BUILD }}"

    - name: Upload static site to remote
      copy:
        src: "{{ DIR_BUILD }}/site/"
        dest: "/tmp/docs/"
    - name: Remove legacy site
      become: true
      file:
        path: "{{ DIR_DEPLOY }}"
        state: absent
    - name: Copy static site to deployment directory
      become: true
      copy:
        src: "/tmp/docs/"
        dest: "{{ DIR_DEPLOY }}"
        remote_src: true
        owner: root
        group: nginx
        mode: 0755
        setype: httpd_sys_content_t

    - name: Clean up local build directory
      delegate_to: 127.0.0.1
      file:
        path: "{{ DIR_BUILD }}"
        state: absent
    - name: Clean up remote temp directory
      file:
        path: /tmp/docs
        state: absent