ArchLinux 2017.10.01: Install Drupal for CMS

#!/bin/sh

set -e

[ -z "${MYSQL_PASSWD}" ] && MYSQL_PASSWD=mysql

postfix_install()
{
  sudo pacman -Sy --noconfirm postfix
  sudo systemctl enable postfix

  cat <<EOF | sudo tee /etc/postfix/main.cf
myhostname = localhost
mydomain = localdomain
myorigin = \$myhostname.\$mydomain
mydestination = localhost, localhost.\$mydomain, \$myhostname, \$mydomain, \$myorigin
compatibility_level = 2
command_directory = /usr/bin
daemon_directory = /usr/lib/postfix/bin
data_directory = /var/lib/postfix
mail_owner = postfix
inet_interfaces = all
local_recipient_maps = unix:passwd.byname \$alias_maps
unknown_local_recipient_reject_code = 550
mynetworks_style = subnet
mynetworks = 127.0.0.0/8
alias_maps = hash:/etc/postfix/aliases
alias_database = \$alias_maps
debugger_command =
         PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin
         ddd \$daemon_directory/\$process_name \$process_id & sleep 5
sendmail_path = /usr/bin/sendmail
newaliases_path = /usr/bin/newaliases
mailq_path = /usr/bin/mailq
setgid_group = postdrop
inet_protocols = ipv4
EOF

  sudo newaliases
  sudo systemctl restart postfix
}

mysql_install()
{
  sudo pacman -Sy --noconfirm mariadb

  # Install database.
  sudo mysql_install_db --user=mysql --basedir=/usr --datadir=/var/lib/mysql

  sudo systemctl enable mariadb
  sudo systemctl start mariadb

  # Password configuration.
  cat <<EOF | sudo mysql_secure_installation

y
${MYSQL_PASSWD}
${MYSQL_PASSWD}
n
y
y
y
EOF
}

php_install()
{
  # Enable PHP extension.
  sudo pacman -Sy --noconfirm php
  sudo sed -i /etc/php/php.ini \
       -e 's/^;extension=pdo_mysql.so/extension=pdo_mysql.so/g' \
       -e 's/^;extension=mysqli.so/extension=mysqli.so/g' \
       -e 's/^;extension=gd.so/extension=gd.so/g' \
       -e 's/^;zend_extension=opcache.so/zend_extension=opcache.so/g' \
       -e 's/^;opcache.enable=1/opcache.enable=1/g'
}

drupal_install()
{
  sudo pacman -Sy --noconfirm drupal
  sudo sed -i /usr/share/webapps/drupal/.htaccess \
       -e 's/Require all denied/Require all granted/g'
}

apache_install()
{
  sudo pacman -Sy --noconfirm apache php-apache
  sudo systemctl enable httpd

  # PHP configuration.
  sudo sed -i /etc/httpd/conf/httpd.conf \
       -e 's/^LoadModule mpm_event_module/#LoadModule mpm_event_module/g' \
       -e 's/^#LoadModule mpm_prefork_module/LoadModule mpm_prefork_module/g'
  cat <<EOF | sudo tee -a /etc/httpd/conf/httpd.conf
LoadModule php7_module modules/libphp7.so
AddHandler php7-script php
Include conf/extra/php7_module.conf
EOF

  # ssl configuration.
  # Country Name (2 letter code) [AU]:
  # State or Province Name (full name) [Some-State]:
  # Locality Name (eg, city) []:
  # Organization Name (eg, company) [Internet Widgits Pty Ltd]:
  # Organizational Unit Name (eg, section) []:
  # Common Name (e.g. server FQDN or YOUR name) []:
  # Email Address []:
  cat <<EOF | sudo openssl req -new -x509 -nodes -newkey rsa:4096 -days 1095 \
                   -keyout /etc/httpd/conf/server.key \
                   -out /etc/httpd/conf/server.crt
AU
Some-State
city
company
section
${WEBDAV_SERVER_FQDN}

EOF
  sudo sed -i /etc/httpd/conf/httpd.conf \
       -e 's/^#LoadModule ssl_module/LoadModule ssl_module/g' \
       -e 's/^#LoadModule socache_shmcb_module/LoadModule socache_shmcb_module/g'
  cat <<EOF | sudo tee -a /etc/httpd/conf/httpd.conf
Include conf/extra/httpd-ssl.conf
EOF

  # rewrite configuration.
  sudo sed -i /etc/httpd/conf/httpd.conf \
       -e 's/^#LoadModule rewrite_module/LoadModule rewrite_module/g'
  cat << EOF | sudo tee /etc/httpd/conf/extra/redirect-to-https.conf
RewriteEngine On
RewriteCond %{HTTPS} off
RewriteRule ^ https://%{HTTP_HOST}%{REQUEST_URI}
EOF
  cat <<EOF | sudo tee -a /etc/httpd/conf/httpd.conf
Include conf/extra/redirect-to-https.conf
EOF

  # drupal configuration.
  sudo cp /etc/webapps/drupal/apache.example.conf \
       /etc/httpd/conf/extra/drupal.conf
  cat <<EOF | sudo tee -a /etc/httpd/conf/httpd.conf
Include conf/extra/drupal.conf
EOF

  sudo systemctl restart httpd
}

drupal_main()
{
  postfix_install
  mysql_install
  php_install
  drupal_install
  apache_install
}

drupal_main