Simple Wordpress Installer

wordpress.sh

#!/bin/bash

FIND_PATH="/home/*/domains/*/public_html/"
AWK_DOMAIN_POS="5"

DB_NAME=""
DB_USER=""
DB_USER_PASS=""

DOMAIN=""
DOMAIN_OWNER="nginx"
INSTALL_PATH="${DOMAIN}"

function find_available_domains {

    DOMAINS_AVAILABLE=0
    find $FIND_PATH -maxdepth 0 &> /dev/null

    # First check to see if there are domains available. Suppress exit status.
    if [ $? -eq 0 ]; then 
        find $FIND_PATH -maxdepth 0 > /tmp/domain.txt
        DOMAINS_AVAILABLE=`cat /tmp/domain.txt | wc -l`
    fi

    if [ $DOMAINS_AVAILABLE -eq 0 ]; then
        echo "No domains available for install. Please add a domain first."
        exit
    fi

} # End function find_available_domains

function choose_domain {
    # Ask user which domain to install WP
    counter=1
    DOMAINS_AVAILABLE=`cat /tmp/domain.txt | wc -l`
    echo ""
    echo "Select the domain you want to install wordpress on, 1 to $DOMAINS_AVAILABLE"
    while read LINE; do
        data=`echo $LINE | awk -F"/" '{ print $'${AWK_DOMAIN_POS}' }'`
        echo "$counter. $data"
        let counter+=1
    done < "/tmp/domain.txt"

    let counter-=1

    # Make sure user inputs a valid domain
    SELECTDOMAIN="a"
    until  [[ "$SELECTDOMAIN" =~ [0-9]+ ]] && [ $SELECTDOMAIN -gt 0 ] && [ $SELECTDOMAIN -le $counter ]; do
        echo -n "Selection (integer) : "
        read SELECTDOMAIN
    done

    # Get full system path to domain
    DOMAIN=`cat /tmp/domain.txt | awk NR==$SELECTDOMAIN`

    rm -rf /tmp/domain.txt

    INSTALL_PATH="${DOMAIN}"
}

function ask_db_name {
    # Ask database name for Wordpress
    echo ""
    echo "Enter a database name for the wordpress install. E.g domainwp, wordpress, wpdomain"
    DB_NAME=""
    until  [[ "$DB_NAME" =~ [0-9a-zA-Z]+ ]]; do
        echo -n "Database name : "
        read DB_NAME
    done
}

function get_latest_wordpress {

    # Downlod latest wordpress version to tmp and extract
    mkdir /tmp/wordpress
    wget -O - http://wordpress.org/latest.tar.gz | tar zxf - -C /tmp/wordpress &> /dev/null

    # Create new path for wordpress and copy files to it
    mkdir $INSTALL_PATH &> /dev/null
    mv /tmp/wordpress/wordpress/* $INSTALL_PATH

    # Create wp-config.php file
    cp $INSTALL_PATH/{wp-config-sample.php,wp-config.php}
    chown -R $DOMAIN_OWNER:$DOMAIN_OWNER $DOMAIN

    # Edit wp-config.php file with mysql data
    sed -i 's/database_name_here/'${DB_NAME}'/' $INSTALL_PATH/wp-config.php
    sed -i 's/username_here/'${DB_USER}'/' $INSTALL_PATH/wp-config.php
    sed -i ' s/password_here/'${DB_USER_PASS}'/' $INSTALL_PATH/wp-config.php

    rm -rf /tmp/wordpress

} # End function get_latest_wordpress

find_available_domains

choose_domain

ask_db_name

echo ""
echo "Downloading latest version of wordpress..."
get_latest_wordpress
echo "Done."