Playbooks

[Github] Ansible for DevOps Examples

Installs Apache on a RHEL/CentOS server

---
- hosts: all
  become: yes

  tasks:
    - name: Install Apache.
      dnf:
        name:
          - httpd
          - httpd-devel
        state: present

    - name: Copy configuration files.
      copy:
        src: "{{ item.src }}"
        dest: "{{ item.dest }}"
        owner: root
        group: root
        mode: 0644
      with_items:
        - src: httpd.conf
          dest: /etc/httpd/conf/httpd.conf
        - src: httpd-vhosts.conf
          dest: /etc/httpd/conf/httpd-vhosts.conf

    - name: Make sure Apache is started now and at boot.
      service:
        name: httpd
        state: started
        enabled: yes

Deploy Node.js app

---
- hosts: all
  become: yes

  vars:
    node_apps_location: /usr/local/opt/node

  tasks:
  - name: Install EPEL repo.
    dnf: name=epel-release state=present
	
  - name: Import Remi GPG key.
    rpm_key:
    key: "https://rpms.remirepo.net/RPM-GPG-KEY-remi2018"
    state: present
	
  - name: Install Remi repo.
    dnf:
    name: "https://rpms.remirepo.net/enterprise/remi-release-8.rpm"
    state: present

  - name: Ensure firewalld is stopped (since this is for testing).
    service: name=firewalld state=stopped

  - name: Install Node.js and npm.
    dnf: name=npm state=present enablerepo=epel

  - name: Install Forever (to run our Node.js app).
    npm: name=forever global=yes state=present
	
  - name: Ensure Node.js app folder exists.
    file: "path={{ node_apps_location }} state=directory"

  - name: Copy example Node.js app to server.
    copy: "src=app dest={{ node_apps_location }}"

  - name: Install app dependencies defined in package.json.
    npm: path={{ node_apps_location }}/app

  - name: Check list of running Node.js apps.
    command: /usr/local/bin/forever list
    register: forever_list
    changed_when: false

  - name: Start example Node.js app.
    command: "/usr/local/bin/forever start {{ node_apps_location }}/app/app.js"
    when: "forever_list.stdout.find(node_apps_location + '/app/app.js') == -1"

Basic LAMP server setup

  tasks:
  - name: Get software for apt repository management.
    apt:
      state: present
      name:
        - python3-apt
        - python3-pycurl
  
  - name: Add ondrej repository for later versions of PHP.
    apt_repository: repo='ppa:ondrej/php' update_cache=yes
  
  - name: "Install Apache, MySQL, PHP, and other dependencies."
    apt:
      state: present
      name:
	    - acl
        - git
        - curl
        - unzip
        - sendmail
        - apache2
        - php8.2-common
        - php8.2-cli
        - php8.2-dev
        - php8.2-gd
        - php8.2-curl
        - aphp8.2-opcache
        - php8.2-xml
        - php8.2-mbstring
        - php8.2-pdo
        - php8.2-mysql
        - php8.2-apcu
        - libpcre3-dev
        - libapache2-mod-php8.2
        - python3-mysqldb
        - mysql-server
		
  - name: Disable the firewall (since this is for local dev only).
    service: name=ufw state=stopped

  - name: "Start Apache, MySQL, and PHP."
    service: "name={{ item }} state=started enabled=yes"
    with_items:
      - apache2
      - mysql

Configure Apache

  - name: Enable Apache rewrite module (required for Drupal).
    apache2_module: name=rewrite state=present
    notify: restart apache
  
  - name: Add Apache virtualhost for Drupal.
    template:
      src: "templates/drupal.test.conf.j2"
      dest: "/etc/apache2/sites-available/{{ domain }}.test.conf"
      owner: root
      group: root
      mode: 0644
    notify: restart apache
  
  - name: Enable the Drupal site.
    command: >
      a2ensite {{ domain }}.test
      creates=/etc/apache2/sites-enabled/{{ domain }}.test.conf
    notify: restart apache

  - name: Disable the default site.
    command: >
      a2dissite 000-default
      removes=/etc/apache2/sites-enabled/000-default.conf
    notify: restart apache

Template: drupal.test.conf.j2

<VirtualHost *:80>
    ServerAdmin webmaster@localhost
    ServerName {{ domain }}.test
    ServerAlias www.{{ domain }}.test
    DocumentRoot {{ drupal_core_path }}/web
    <Directory "{{ drupal_core_path }}/web">
        Options FollowSymLinks Indexes
        AllowOverride All
    </Directory>
</VirtualHost>

Configure PHP with lineinfile

  - name: Adjust OpCache memory setting.
    lineinfile:
      dest: "/etc/php/8.2/apache2/conf.d/10-opcache.ini"
      regexp: "^opcache.memory_consumption"
      line: "opcache.memory_consumption = 96"
      state: present
    notify: restart apache

Configure MySQL

  - name: Create a MySQL database for Drupal.
    mysql_db: "db={{ domain }} state=present"
  
  - name: Create a MySQL user for Drupal.
    mysql_user:
      name: "{{ domain }}"
      password: "1234"
      priv: "{{ domain }}.*:ALL"
      host: localhost
      state: present

Install Composer with get_url

  - name: Download Composer installer.
    get_url:
      url: https://getcomposer.org/installer
      dest: /tmp/composer-installer.php
      mode: 0755
 
  - name: Run Composer installer.
    command: >
      php composer-installer.php
      chdir=/tmp
      creates=/usr/local/bin/composer

 - name: Move Composer into globally-accessible location.
   command: >
     mv /tmp/composer.phar /usr/local/bin/composer
     creates=/usr/local/bin/composer

Create a Drupal project with Composer

  - name: Ensure Drupal directory exists.
    file:
      path: "{{ drupal_core_path }}"
      state: directory
      owner: www-data
      group: www-data
  
  - name: Check if Drupal project already exists.
    stat:
      path: "{{ drupal_core_path }}/composer.json"
      register: drupal_composer_json
  
  - name: Create Drupal project.
    composer:
      command: create-project
      arguments: drupal/recommended-project "{{ drupal_core_path }}"
      working_dir: "{{ drupal_core_path }}"
      no_dev: true
    become_user: www-data
    when: not drupal_composer_json.stat.exists