#
# Cookbook:: irrigate-apache
# Recipe:: generic_php_webapps
#
# Author:: Russell de Moose (<rdemoose@theorchard.com>)
# Copyright:: The Orchard
#
# Description: This recipe manages a sandboxed PHP 5.6 LAMP stack
# with optional extensions and user configuration to run a generic environment.

if platform_family?('rhel')
  if node['platform_version'].start_with?('7')

    # Add REMI repositories for PHP 5.6
    yum_repository 'remi-php56' do
      description 'Remi PHP 5.6 RPM repository for Enterprise Linux 7'
      mirrorlist 'http://rpms.remirepo.net/enterprise/7/php56/mirror'
      gpgkey 'http://rpms.remirepo.net/RPM-GPG-KEY-remi'
      action :create
    end

    yum_repository 'remi-php56-debuginfo' do
      description 'Remi PHP 5.6 RPM repo for Enterprise Linux 7 - debuginfo'
      baseurl 'http://rpms.remirepo.net/enterprise/7/debug-php56/$basearch/'
      gpgkey 'http://rpms.remirepo.net/RPM-GPG-KEY-remi'
      action :create
    end

    yum_repository 'remi-safe' do
      description 'Safe Remi PHP 5.6 RPM repo for Enterprise Linux 7'
      mirrorlist 'http://rpms.remirepo.net/enterprise/7/safe/mirror'
      gpgkey 'http://rpms.remirepo.net/RPM-GPG-KEY-remi'
      action :create
    end

    # There are extra required packages that are provided by the base
    # and/or apache-specific cookbooks. This array is purpose-specific.
    packages = %w(
      autoconf
      bzip2-devel
      freetype-devel
      gcc-c++
      glibc
      gmp-devel
      httpd-devel
      ImageMagick
      ImageMagick-devel
      libcurl-devel
      libdb4-devel
      libevent
      libjpeg-turbo
      libjpeg-turbo-devel
      libmcrypt
      libmcrypt-devel
      libmemcached
      libpng-devel
      libtiff
      libtiff-devel
      libxml2-devel
      make
      mhash
      mhash-devel
      mod_ssl
      openssl-devel
      php56
      php56-php
      php56-php-bcmath
      php56-php-cli
      php56-php-common
      php56-php-devel
      php56-php-gd
      php56-php-gmp
      php56-php-ldap
      php56-php-mbstring
      php56-php-mcrypt
      php56-php-mysqlnd
      php56-php-opcache
      php56-php-pear
      php56-php-pecl-imagick
      php56-php-pecl-imagick-devel
      php56-php-pecl-memcache
      php56-php-pecl-memcached
      php56-php-pecl-ssh2
      php56-php-pecl-uploadprogress
      php56-php-pecl-zip
      php56-php-pgsql
      php56-php-soap
      php56-php-xml
      unixODBC
      unixODBC-devel
      zip
    )

    packages.each do |name|
      package name
    end

    deploy_home_dir = '/home/deploy'
    user 'deploy' do
      comment 'Deploy user'
      uid '1001'
      home deploy_home_dir
      shell '/bin/bash'
    end

    group 'webdev' do
      gid '1099'
      members %w(apache deploy)
      action :create
    end

    # SSH key used by deploy processes
    ssh_authorize_key 'deploy' do
      key 'AAAAB3NzaC1yc2EAAAABIwAAAQEAzQ/4Vj3OP6uAiX6cfV5WcBlDQp5jATXMIboUSkEl/FZEbrZFGEsGxhOS5LllHvmH23wVA5rRtmoWxZdcWikiy7GOXzDsWwomBdj5837E55ScV8uL+qXyrN0iI7T8fygqJnqoe87xD742lMWUVujYl7QnQRgwd+LKblzHrvchr8yrl+0rHY1A1oxS1iiQsp+CU/DY+t35YQPFlh3CP1xEuUipcGNkzCZDY/hAI9Prv5Fzvj6RZl+Y+VzgUvoJqKB+rrdv14ZEmvMfNcgM2Tlh33QSQd66Adu2ns22ADXUfsM421nO1IgqZ5dROOblesN8DsrMVCAXM9zL6xddLX47YQ=='
      user 'deploy'
    end

    # Grant sudo access. Specific users and privileges are defined in roles.
    include_recipe 'sudo'

    # This is a php.ini in the Remi-sandboxed location
    template '/opt/remi/php56/root/etc/php.ini' do
      source 'php.ini.erb'
      mode '0644'
      owner 'root'
      group 'root'
      notifies :restart, 'service[apache2]'
    end

    # PHP opcache configuration snippet in the Remi-sandboxed location
    template '/opt/remi/php56/root/etc/php.d/10-opcache.ini' do
      source '10-opcache.ini.erb'
      mode '0644'
      owner 'root'
      group 'root'
      notifies :restart, 'service[apache2]'
    end

    # PHP memcached configuration snippet in the Remi-sandboxed location
    template '/opt/remi/php56/root/etc/php.d/50-memcached.ini' do
      source '50-memcached.ini.erb'
      mode '0644'
      owner 'root'
      group 'root'
      notifies :restart, 'service[apache2]'
    end

    # PHP 5.6 is sandboxed, so add to system environment variables.
    template '/etc/profile.d/remi-php.sh' do
      source 'remi-php.sh.erb'
      mode '0644'
      owner 'root'
      group 'root'
    end

    # Create the composer installation script
    cookbook_file '/root/composer-install.sh' do
      source 'composer-install.sh'
      owner 'root'
      group 'root'
      mode '0755'
      action :create
    end

    # Only run the script if composer does not exist
    script 'composer-install' do
      interpreter 'bash'
      code '/root/composer-install.sh'
      not_if { ::File.exist?('/usr/local/bin/composer') }
    end

    # Cron job to update composer
    cron 'composer-update' do
      hour '1'
      user 'root'
      mailto node['apache']['contact']
      command 'php /usr/local/bin/composer self-update >/dev/null 2>&1'
    end

    # This by default references a template with a matching name
    apache_conf 'orchard' do
      enable true
    end

    # Ensure the default vhost is disabled
    apache_site 'default' do
      enabled false
    end

    # Explicitly disable the default site if it is active, as a failsafe.
    execute 'a2dissite default' do
      only_if do
        File.symlink?('/etc/httpd/sites-enabled/default.conf')
      end
      notifies :restart, 'service[apache2]'
    end

    # Vhost attributes are contained in roles
    node['webapps'].each do |vhost, vhost_info|
      web_app vhost do
        template 'vhost.conf.erb'
        port vhost_info['port']
        server_admin vhost_info['server_admin']
        server_name vhost_info['server_name']
        if defined?(vhost_info['server_aliases'])
          server_aliases vhost_info['server_aliases']
        end
        docroot vhost_info['docroot']
        if defined?(vhost_info['directory_options'])
          directory_options vhost_info['directory_options']
        end
        allow_override vhost_info['allow_override']
        setenv setenv_params if defined?(vhost_info['setenv'])
        newrelic vhost_info['newrelic'] if defined?(vhost_info['newrelic'])
      end
    end
  end
end