Automatically creates a fresh Wordpress install.

myChef.sh

#!/bin/bash

# Variables

log_path="error.log"
log_path_custom="install.log"
master_domain="mywebchef.org"
domain="wp.mywebchef.org"
ip_address="xxx.xxx.xxx.xxx"
wp_email="[email protected]"
wp_user=$(whoami)
wp_title="My Web Chef"

# Root database password.
# Leave empty if empty.

db_root_password=""

# SSL Certificate information

country="FR"
state="somewhere"
locality="somewhere"
organization="MyCompany"
organizationalunit="MyCompany"
password="testpassword"

# Colors

RED='\033[0;31m'
BLUE='\033[0;34m'
GREEN='\033[0;32m'
ORANGE='\033[0;33m'
NC='\033[0m'

# Log functions

function setSuccessLog() {
    log_content="(`date`) : $1"
    echo $log_content >> "$log_path_custom"
    echo -e "${GREEN}$log_content${NC}"
}

function setErrorLog() {
    log_content="(`date`) : $1"
    echo $log_content >> "$log_path"
    echo -e "${RED}$log_content${NC}"
}

function setLog() {
    log_content="(`date`) : $1"
    echo $log_content >> "$log_path_custom"
    echo -e "${ORANGE}$log_content${NC}"
}

# ===
# Beginning the program.
# ===


echo -e "${BLUE}Welcome to myChef.sh, automatical WordPress installer.${NC}"

# Removing last execution log files.

rm -rf "$log_path"
rm -rf "$log_path_custom"
touch "$log_path"
touch "$log_path_custom"

if ! [[ $domain =~ ([a-z0-9|-]+\.)*[a-z0-9|-]+\.[a-z]+ ]]
then
    setErrorLog "The domain name you've specified is not valid."
    exit
fi

if [ "$EUID" -ne 0 ]
then
    setErrorLog "Please run this script as root (sudo)."
fi

setLog "Updating..."
apt-get update >> "${log_path_custom}" 2> "${log_path}"
setSuccessLog "OK."
if grep -Fxq "deb https://packages.sury.org/php/ $(lsb_release -sc) main" "/etc/apt/sources.list.d/php.list"
then
    setLog "deb package already in sources.list, skipping."
else
    setLog "Installing deb for PHP 7.2."
    apt-get install apt-transport-https lsb-release ca-certificates -y --force-yes >> "${log_path_custom}" 2> "${log_path}"
    wget --no-check-certificate -O /etc/apt/trusted.gpg.d/php.gpg https://packages.sury.org/php/apt.gpg
    echo "deb https://packages.sury.org/php/ $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/php.list
    apt-get update >> "${log_path_custom}" 2> "${log_path}"
fi

apt install apache2 -y >> "${log_path_custom}" 2> "${log_path}"
if [ $(dpkg-query -W -f='${Status}' apache2 2>/dev/null | grep -c "ok installed") -eq 0 ]
then
    setErrorLog "Failed to install apache2."
    exit
else
    a2enmod rewrite
    service apache2 restart
fi

if ! [ -x "$(command -v php)" ]
then
    setLog "PHP not installed, installing the PHP 7.2."
    apt install php7.2 -y >> "${log_path_custom}" 2> "${log_path}"
    apt install php7.2-common php7.2-mbstring php7.2-xmlrpc php7.2-gd php7.2-xml php7.2-mysql php7.2-cli -y >> "${log_path_custom}" 2> "${log_path}"
    if [ -x "$(command -v php)" ]
    then
        apt-get -y install libapache2-mod-php7.2
    fi
fi

if ! [ -x "$(command -v php)" ]
then
    setErrorLog "Failed to install PHP 7.2."
    setLog "Installing PHP 5.6..."
    apt-get install apt-transport-https lsb-release ca-certificates -y >> "${log_path_custom}" 2> "${log_path}"
    apt-get -y install php5 libapache2-mod-php5 >> "${log_path_custom}" 2> "${log_path}"
    service apache2 restart
    apt-get -y install php5-mysqlnd php5-curl php5-gd php5-intl php-pear php5-imagick php5-imap php5-mcrypt php5-memcache php5-pspell php5-recode php5-snmp php5-sqlite php5-tidy php5-xmlrpc php5-xsl >> "${log_path_custom}" 2> "${log_path}"
    if [ $(dpkg-query -W -f='${Status}' php 2>/dev/null | grep -c "ok installed") -eq 0 ]
    then
        setErrorLog "Failed to install PHP 5.6."
        exit
    fi
fi

apt install mysql-client -y >> "${log_path_custom}" 2> "${log_path}"
apt install mysql-server -y >> "${log_path_custom}" 2> "${log_path}"
if [ $(dpkg-query -W -f='${Status}' mysql-client 2>/dev/null | grep -c "ok installed") -eq 0 ]
then
    setErrorLog "Failed to install mysql-client."
    exit
fi

if ! [ -x "$(command -v wp --info)" ]
then
    setLog "Installing WP-CLI for an easier configuration..."
    curl -O https://raw.githubusercontent.com/wp-cli/builds/gh-pages/phar/wp-cli.phar
    if ! [ -x "$(command -v php wp-cli.phar --info)" ]
    then
        setErrorLog "Failed to download a valid wp-cli.phar."
        exit
    fi
    chmod +x wp-cli.phar
    mv wp-cli.phar /usr/local/bin/wp
    if ! [ -x "$(command -v wp --info)" ]
    then
        setErrorLog "Failed to install WP-CLI."
        exit
    fi
    setSuccessLog "OK."
fi

if ! [ -e "/var/www" ]
then
    setLog "Creating /var/www directory."
    mkdir "/var/www" >> "${log_path_custom}" 2> "${log_path}"
fi

# Checking if the file is downloaded.
if [ ! -e "/tmp/latest.tar.gz" ]
then
    wget http://wordpress.org/latest.tar.gz
    if [ ! -e "latest.tar.gz" ]
    then
        setErrorLog "Impossible to download the WordPress file."
        exit
    else
        mv latest.tar.gz /tmp
    fi
else
    setLog "Using WordPress from temporary files."
fi

if [ ! -e "/tmp/wordpress" ]
then
    setLog "Extracting..."
    tar -zxf "/tmp/latest.tar.gz" --directory "/tmp" >> "${log_path_custom}" 2> "${log_path}"
fi

if [ ! -e "/tmp/wordpress" ]
then
    setErrorLog "Impossible to extract the WordPress files."
    exit
else
    #seed=$( date +%T )
    seed=$domain
fi

wordpress_install_path="/var/www/wp_$seed"
if [ -e "$wordpress_install_path" ]
then
    setLog "Updating WordPress..."
    wp core update --path="$wordpress_install_path" --allow-root
    if (($? > 0)); then
        setErrorLog "Update failed to install."
        exit
    else
        setSuccessLog "OK. Success."
        exit
    fi
fi

setLog "Moving inside ${wordpress_install_path}..."
mv "/tmp/wordpress" "$wordpress_install_path"
if [ ! -e "$wordpress_install_path" ]
then
    setErrorLog "Impossible to move the WordPress files."
    exit
else
    setSuccessLog "Moved."
fi

setLog "Attributing rights... "
chown -R www-data:www-data /var/www
chmod -R 775 $wordpress_install_path
setSuccessLog "OK."

config_file="wp.mywebchef.org.conf"
config_path="/etc/apache2/sites-available"
if [ ! -e "$config_file/$config_file" ]
then
    echo -e "\
<VirtualHost *:80>\n \
        ServerName $domain\n \
        DocumentRoot ${wordpress_install_path}\n \
        Redirect / https://$domain\n \
        ErrorLog /var/log/apache2/error-wordpress.log\n \
        CustomLog /var/log/apache2/custom-wordpress.log combined\n \
</VirtualHost>\n \
<VirtualHost *:443>\n \
    SSLEngine On\n \
    SSLCertificateFile /etc/ssl/private/${domain}.crt\n \
    SSLCertificateKeyFile /etc/ssl/private/${domain}.key\n \
    SSLCACertificateFile /etc/ssl/private/${domain}.crt\n \
    ServerName $domain\n \
    ServerAdmin webmaster@$domain\n \
    DocumentRoot ${wordpress_install_path}\n \
    ErrorLog /var/log/apache2/error-wordpress.log\n \
    CustomLog /var/log/apache2/custom-wordpress.log combined\n \
</VirtualHost>\n" > "$config_path/$config_file"
    setLog "Disabling default apache configuration file."
    rm "/etc/apache2/sites-enabled/000-default.conf"
else
    setLog "Skipping apache2 configuration file : already exists."
fi

ln -s "/etc/apache2/sites-available/$config_file" "/etc/apache2/sites-enabled" >> "${log_path_custom}" 2> "${log_path}"
if [ ! -L "/etc/apache2/sites-enabled/$config_file" ]
then
    setErrorLog "Impossible to establish the symbolic link (/etc/apache2/sites-enabled/$config_file)."
    exit
else
    setLog "Successfuly established the symbolic link."
fi

apt install pwgen -y >> "${log_path_custom}" 2> "${log_path}"
wp_db_name="${seed//./_}"
wp_db_user="${seed//./_}""_user"
wp_db_password=$(pwgen 8 1)
if [ -d "/var/lib/mysql/$seed" ]
then
    setLog "Database exists. Skipping configuration."
else
    setLog "Configuring database..."
    if ! [ -z $db_root_password ]
    then
        db_root_password="-p'${db_root_password}'"
    fi
    (mysql -u root "${db_root_password}" --execute="CREATE DATABASE ${seed//./_};")
    (mysql -u root "${db_root_password}" --execute="DROP USER '${wp_db_user}'@'localhost';")
    (mysql -u root "${db_root_password}" --execute="FLUSH PRIVILEGES;")
    (mysql -u root "${db_root_password}" --execute="CREATE USER '${wp_db_user}'@'localhost' IDENTIFIED BY '${wp_db_password}';")
    (mysql -u root "${db_root_password}" --execute="GRANT ALL PRIVILEGES ON * . * TO '${wp_db_user}'@'localhost';")
    (mysql -u root "${db_root_password}" --execute="FLUSH PRIVILEGES;")

    setLog "Changing wp-config.php..."
    cp "$wordpress_install_path/wp-config-sample.php" "$wordpress_install_path/wp-config.php"
    if [ -e "$wordpress_install_path/wp-config.php" ]
    then
        sed -i -re "s/database_name_here/$wp_db_name/g" "$wordpress_install_path/wp-config.php"
        sed -i -re "s/username_here/$wp_db_user/g" "$wordpress_install_path/wp-config.php"
        sed -i -re "s/password_here/$wp_db_password/g" "$wordpress_install_path/wp-config.php"
        sed -i -re "s/put your unique phrase here/$(pwgen 16 1)/g" "$wordpress_install_path/wp-config.php"
        echo "define('COOKIE_DOMAIN', $_SERVER['HTTP_HOST'] );" >> "$wordpress_install_path/wp-config.php"
    else
        setErrorLog "Impossible to copy the wp-config.php file."
        setErrorLog "Removing database and database users created."
        mysql -u root"${db_root_password}" --execute="DROP DATABASE $seed;"
        exit
    fi
    setSuccessLog "OK."
fi

setLog "Installing website..."
wp core install --allow-root --path="$wordpress_install_path" --url="$domain" --title="$wp_title" --admin_user="$wp_user" --admin_password="$wp_db_password" --admin_email="$wp_email"
if (($? > 0)); then
    setErrorLog "Failed to install WordPress."
    exit
fi
setSuccessLog "OK."

setLog "Preparing SSL certificates..."
openssl req -new -nodes -sha256 -newkey rsa:2048 -keyout "/etc/ssl/private/${domain}.key" -out "/etc/ssl/private/${domain}.csr" -subj "/emailAddress=$wp_email/CN=$domain/O=$organization/OU=$organizationalunit/C=$country/ST=$state/L=$locality" >> "${log_path_custom}" 2> "${log_path}"

if [[ -e "/etc/ssl/private/${domain}.csr" ]]
then
    setLog "Creating self signed certificate..."
    openssl x509 -req -days 365 -in "/etc/ssl/private/${domain}.csr" -signkey "/etc/ssl/private/${domain}.key" \
        -out "/etc/ssl/private/${domain}.crt" >> "${log_path_custom}" 2> "${log_path}"
else
    setErrorLog "Failed SSL configuration."
    exit
fi

a2enmod ssl
a2ensite "$config_file"
service apache2 restart
if (($? > 0)); then
    setErrorLog "Failed to install SSL configuration for WordPress."
    exit
fi
setSuccessLog "OK."
setSuccessLog "[WordPress credentials] For user $wp_user, password is $wp_db_password"

if false; then
    setLog "Installing AWStats for monitoring your server..."
    apt-get install awstats -y >> "${log_path_custom}" 2> "${log_path}"
    if ! [ -x "$(command -v awstats)" ]
    then
        setErrorLog "Failed to install awstats."
        exit
    fi

    awstats_config_file="awstats.${master_domain}.conf"
    awstats_config_file_domain="awstats.${domain}.conf"
    awstats_config_path="/etc/awstats/${awstats_config_file}"
    awstats_config_path_domain="/etc/awstats/${awstats_config_file_domain}"
    cp "/etc/awstats/awstats.conf" "$awstats_config_path"
    if ! [[ -e "$awstats_config_path" ]]
    then
        setErrorLog "Impossible to copy your awstats config file for ${master_domain}"
        exit
    fi
    sed -i -re "s/SiteDomain=\"\"/${master_domain}/g" "$awstats_config_path"
    sed -i -re "s/LogFile=\"/var/log/apache2/access.log\"//var/log/apache2/${master_domain}-access.log/g" "$awstats_config_path"
    sed -i -re "s/HostAliases=\"localhost 127.0.0.1\"/HostAliases=\"${ip_address} ${master_domain}\"/g" "$awstats_config_path"
    /usr/lib/cgi-bin/awstats.pl -config=${master_domain} -update
    if (($? > 0)); then
        setErrorLog "Failed to update the awstats configuration."
        exit
    fi

    setLog "Processing apache2 configuration..."
    if grep -Fxq "Alias /awstats-icon/ /usr/share/awstats/icon/" ${master_domain}
    then
        setLog "Config already set. Skipping."
    else
        setLog "Adding AWSTATS access configuration to apache2..."
        echo -e "Alias /awstats-icon/ /usr/share/awstats/icon/\n \
    <Directory /usr/share/awstats/icon>\n \
    Options None\n \
    AllowOverride None\n \
    Order allow,deny\n \
    Allow from all\n \
    </Directory>\n" >> "/etc/apache2/apache2.conf"
        service apache2 restart
        if (($? > 0)); then
            setErrorLog "Failed to initialize apache2 configuration for AWSTATS."
            exit
        fi
        setSuccessLog "AWSTATS configuration for apache2 successfuly installed."
    fi

    setLog "Processing seed configuration."
    cp "/etc/awstats/awstats.conf" "$awstats_config_path_domain"
    if ! [[ -e "$awstats_config_path_domain" ]]
    then
        setErrorLog "Impossible to copy your awstats config file for ${domain}"
        exit
    fi
    sed -i -re "s/SiteDomain=\"\"/${master_domain}/g" "$awstats_config_path_domain"
    sed -i -re "s/LogFile=\"/var/log/apache2/access.log\"//var/log/apache2/custom-wordpress.log/g" "$awstats_config_path_domain"
    sed -i -re "s/HostAliases=\"localhost 127.0.0.1\"/HostAliases=\"${ip_address} ${domain}\"/g" "$awstats_config_path_domain"

    setLog "Processing cron configuration for awstats..."
    if grep -Fxq "0,10,20,30,40,50 * * * * root /bin/sh /root/awstats.sh" "/etc/cron.d/awstats"
    then
        setLog "Config already set for /etc/cron.d/awstats. Skipping."
    else
        echo "0,10,20,30,40,50 * * * * root /bin/sh /root/awstats.sh" >> "/etc/cron.d/awstats"
    fi

    setLog "Processing sh cron configuration for awstats..."
    touch "/root/awstats.sh"
    if grep -Fxq "perl /usr/lib/cgi-bin/awstats.pl -config=${domain}" "/root/awstats.sh"
    then
        setLog "Config already set for /etc/cron.d/awstats. Skipping."
    else
        echo "perl /usr/lib/cgi-bin/awstats.pl -config=${domain} -update > /dev/null" >> "/root/awstats.sh"
        chmod +x "/root/awstats.sh"
    fi
    setSuccessLog "OK."
else
    setLog "Skipping awstats configuration."
fi

status_domain="server.${master_domain}"
status_path="${config_path}/${status_domain}"

setLog "Configuring status-info pages @ ${status_domain}..."
a2enmod status
a2enmod info
service apache2 restart
mkdir "/var/www/${status_domain}" >> "${log_path_custom}" 2> "${log_path}"
echo -e "\
<VirtualHost *:80>\n \
        ServerName $status_domain\n \
        ServerAdmin webmaster@$status_domain\n \
        DocumentRoot /var/www/${status_domain}\n \
        ErrorLog /var/log/apache2/${status_domain}-error.log\n \
        CustomLog /var/log/apache2/${status_domain}-access.log combined\n \
</VirtualHost>\n" > "${status_path}.conf"
if ! [[ -e "${status_path}.conf" ]]
then
    setErrorLog "Status-info path on apache2 configuration failed."
    exit
fi
echo -e "<Location /status>\n \
    SetHandler server-status\n \
</Location>\n" >> "${status_path}.conf"
echo -e "<Location /info>\n \
    SetHandler server-info\n \
</Location>\n" >> "${status_path}.conf"
ln -s "${status_path}.conf" "/etc/apache2/sites-enabled/" >> "${log_path_custom}" 2> "${log_path}"
if ! [[ -e "/etc/apache2/sites-enabled/${status_domain}.conf" ]]
then
    setErrorLog "Status-info syslink on apache2 configuration failed."
    exit
fi
service apache2 restart
setSuccessLog "Succesfuly installed."