install_brotli-playbook.yml

# Ansible playbook for install Brotli module to exists Nginx on your server.
# For more information, please visit https://github.com/truewebartisans/useful-playbooks
# Author: Vic Shóstak <truewebartisans@gmail.com> & True web artisans (https://1wa.co)
# License: MIT

---
- hosts: "{{ host|default('localhost') }}"
  become: true

  tasks:

    - name: Gather the apt package facts
      package_facts:
        manager: auto

    - name: Get Nginx version and set variable
      set_fact:
        nginx_version: "{{ ansible_facts.packages['nginx'][0].version | regex_search('^[0-9.]*') }}"

    - name: Install needed packages
      apt: 
        pkg: "{{ item }}"
        state: latest
      with_items:
        - git
        - gcc
        - cmake
        - libpcre3
        - libpcre3-dev
        - zlib1g
        - zlib1g-dev
        - openssl
        - libssl-dev

    - name: Download and unarchive Nginx source code of version {{ nginx_version }}
      unarchive:
        src: https://nginx.org/download/nginx-{{ nginx_version }}.tar.gz
        dest: ~/
        remote_src: yes

    - name: Git clone Brotli module (google/ngx_brotli)
      git:
        repo: https://github.com/google/ngx_brotli.git
        dest: ~/ngx_brotli

    - name: Configure Brotli module
      command:
        chdir: ~/nginx-{{ nginx_version }}
        cmd: ./configure --with-compat --add-dynamic-module=../ngx_brotli
    
    - name: Make Brotli module (Dynamically loaded)
      make:
        chdir: ~/nginx-{{ nginx_version }}
        target: modules

    - name: Copy compiled Brotli module to /usr/share/nginx/modules
      copy: 
        remote_src: yes
        src: "{{ item.src }}"
        dest: "{{ item.dest }}"
        owner: "{{ ansible_user }}"
        group: "{{ ansible_user }}"
        mode: 0644
      with_items:
        - { src: "~/nginx-{{ nginx_version }}/objs/ngx_http_brotli_filter_module.so", dest: "/usr/share/nginx/modules" }
        - { src: "~/nginx-{{ nginx_version }}/objs/ngx_http_brotli_static_module.so", dest: "/usr/share/nginx/modules" }

    - name: Add Brotli module to the start of Nginx config
      lineinfile:
        path: /etc/nginx/nginx.conf
        insertbefore: BOF
        line: "{{ item.line }}"
      with_items:
        - { line: 'load_module "modules/ngx_http_brotli_filter_module.so";' }
        - { line: 'load_module "modules/ngx_http_brotli_static_module.so";' }

    - name: Copy Brotli config
      copy: 
        src: ./configs/brotli.conf
        dest: /etc/nginx/conf.d/brotli.conf
        owner: "{{ ansible_user }}"
        group: "{{ ansible_user }}"
        mode: 0644
      notify:
        - reload_nginx

    - name: Delete unnecessary directories
      file:
        state: absent
        path: "{{ item.path }}"
      with_items:
        - { path: "~/ngx_brotli" }
        - { path: "~/nginx-{{ nginx_version }}" }

  handlers:

    - name: reload_nginx
      service:
        name: nginx
        state: reloaded