WordPress installation script - taken from https://github.com/sitemapxml/USet

uset-wp-install.sh

#!/bin/bash

# WordPress install script
# This is a snippet from USet. It is not functional on its own.
# Project URL: https://github.com/sitemapxml/USet

# config.txt
# Wordpress settings
conf_wp_wget_locale='https://wordpress.org/latest.tar.gz'
conf_wp_aditional_php_extensions='php-xmlrpc php-exif'

# languages/en.txt
lang_to_finish_wordpress_installation_visit_your_website='To complete Wordpress installation visit your website homepage'
lang_and_copy_messages_from_db_info_to_wordpress='and copy data from db-info.txt to corresponding fields.'

# Check mysql server version
mysqld_version=$( mysqld -V | awk '{print $3}' | head -c 1 )

# Preparing database user name and password
database_password=$( date +%s | sha256sum | base64 | head -c 32 )
db_name=$( echo $hostname | sed 's/\./_/g' )

# Installing Wordpress
while true
	do
	echo -e ${YELLOW}"$lang_install_step_2"${NC}
	read -p "$lang_do_you_want_to_install_wordpress $lang_yes_no_colon" wp_install
		case $wp_install in
		[Yy][Ee][Ss]|[Yy])
			# Downloading files
			wget "$conf_wp_wget_locale"
      wp_wget_filename=$( basename "$conf_wp_wget_locale" )
			tar -xzvf "$wp_wget_filename"
			mv wordpress /var/www/"$hostname"/html
			chown www-data:www-data -R /var/www/"$hostname"/html

			# Installing aditional php extensions
			apt-get install $conf_wp_aditional_php_extensions -y

      if [ "$web_server" = "apache" ]; then
  			systemctl restart apache2
      else
  			systemctl restart nginx "$fpm_version"
      fi

			# Remove unnecessary files
			rm "$wp_wget_filename"

			# Creating database
			echo -e "$lang_creating_database"
			sleep 1s

      mysql -u root -e "CREATE DATABASE $db_name DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci;"

      if [ "$mysqld_version" -ge "8" ]; then
        mysql -u root -e "CREATE USER '$unixuser'@'%' IDENTIFIED BY '$database_password'; GRANT ALL PRIVILEGES ON $db_name.* TO '$unixuser'@'%' WITH GRANT OPTION; FLUSH PRIVILEGES;"
      else
        mysql -u root -e "CREATE USER '$unixuser'@localhost identified by '$database_password'; GRANT ALL ON $db_name.* to '$unixuser'@localhost WITH GRANT OPTION; FLUSH PRIVILEGES;"
      fi

			fn_insert_line > $conf_db_info_file_name
			echo -e "$lang_database_access_parameters" >> $conf_db_info_file_name
			fn_insert_line >> $conf_db_info_file_name
			echo -e '\n\n'"$lang_database_name""$db_name""$lang_database_user""$unixuser""$lang_database_user_password"$database_password'\n' >> $conf_db_info_file_name

			# Configuring Wordpress Multisite
				while true
					do
					read -p "$lang_do_you_want_to_enable_wordpress_multisite $lang_yes_no_colon" wp_install_multisite
						case $wp_install_multisite in
						[Yy][Ee][Ss]|[Yy])
							# Instaliranje faljova
							echo -e "$lang_configuring_wp_multisite"
							sed -i "81i define( 'WP_ALLOW_MULTISITE', true );" /var/www/"$hostname"/html/wp-config-sample.php
							echo -e ${GREEN}"$lang_multisite_is_configured"${NC}
						break
						;;
					[Nn][Oo]|[Nn])
						break
						;;
						*)
							echo -e ${RED}"$lang_answer_yes_no"${NC}
						;;
					esac
				done
			echo -e ${GREEN}"$lang_wordpress_is_installed"${NC}
		break
		;;
		[Nn][Oo]|[Nn])
			# Copy index.html into the webroot
			mkdir /var/www/"$hostname"/html

      if [ "$conf_create_index_html" = "true" ]; then
        cp ./resources/index.html /var/www/"$hostname"/html/index.html
  			sed -i "s/s_title/$lang_domain $hostname $lang_is_sucessfuly_configured\!/g" /var/www/"$hostname"/html/index.html
        sed -i "s/webmin_hostname/$hostname/g" /var/www/"$hostname"/html/index.html

        echo -e "$lang_index_html_configured"
      else
        echo "$lang_skipping_creation_of_index_html"
      fi

      # Create info.php
      if [ "$conf_create_info_php" = 'true' ]; then
        echo "<?php phpinfo(); ?>" > /var/www/"$hostname"/html/info.php
        echo "$lang_info_php_configured"
      else
        echo "$lang_skipping_creation_of_info_php"
      fi

    # Creating database
		while true
			do
			read -p "$lang_do_you_want_to_create_database $lang_yes_no_colon" db_make
				case $db_make in
				[Yy][Ee][Ss]|[Yy])
          if [ "$mysqld_version" -ge "8" ]; then
            mysql -u root -e "CREATE DATABASE $db_name DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci; CREATE USER '$unixuser'@'%' IDENTIFIED BY '$database_password'; GRANT ALL PRIVILEGES ON *.* TO '$unixuser'@'%' WITH GRANT OPTION; FLUSH PRIVILEGES;"
          else
            mysql -u root -e "CREATE DATABASE $db_name DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci; CREATE USER '$unixuser'@localhost identified by '$database_password'; GRANT ALL ON $db_name.* to '$unixuser'@localhost WITH GRANT OPTION; FLUSH PRIVILEGES;"
          fi

          fn_insert_line > $conf_db_info_file_name
    			echo -e "$lang_database_access_parameters" >> $conf_db_info_file_name
    			fn_insert_line >> $conf_db_info_file_name
    			echo -e '\n\n'"$lang_database_name""$db_name""$lang_database_user""$unixuser""$lang_database_user_password"$database_password'\n' >> $conf_db_info_file_name

				break
				;;
				[Nn][Oo]|[Nn])
					echo -e "$lang_skipping_database_creation"
          sleep 1s
			break
			;;
			*)
				echo -e ${RED}"$lang_answer_yes_no"${NC}
			;;
			esac
		done

		break
		;;
	*)
		echo -e ${RED}"$lang_answer_yes_no"${NC}
	;;
	esac
done