Deploying any LAMP Stack Application with Advanced Bash Script

#!/bin/bash # # Automate ECommerce Application Deployment # Author: Mumshad Mannambeth ####################################### # Print a message in a given color. # Arguments: # Color. eg: green, red ####################################### function print_color(){ NC='\033[0m' # No Color case $1 in "green") COLOR='\033[0;32m' ;; "red") COLOR='\033[0;31m' ;; "*") COLOR='\033[0m' ;; esac echo -e "${COLOR} $2 ${NC}" } ####################################### # Check the status of a given service. If not active exit script # Arguments: # Service Name. eg: firewalld, mariadb ####################################### function check_service_status(){ service_is_active=$(sudo systemctl is-active $1) if [ $service_is_active = "active" ] then echo "$1 is active and running" else echo "$1 is not active/running" exit 1 fi } ####################################### # Check the status of a firewalld rule. If not configured exit. # Arguments: # Port Number. eg: 3306, 80 ####################################### function is_firewalld_rule_configured(){ firewalld_ports=$(sudo firewall-cmd --list-all --zone=public | grep ports) if [[ $firewalld_ports == *$1* ]] then echo "FirewallD has port $1 configured" else echo "FirewallD port $1 is not configured" exit 1 fi } ####################################### # Check if a given item is present in an output # Arguments: # 1 - Output # 2 - Item ####################################### function check_item(){ if [[ $1 = *$2* ]] then print_color "green" "Item $2 is present on the web page" else print_color "red" "Item $2 is not present on the web page" fi } echo "---------------- Setup Database Server ------------------" # Install and configure firewalld print_color "green" "Installing FirewallD.. " sudo yum install -y firewalld print_color "green" "Installing FirewallD.. " sudo systemctl start firewalld sudo systemctl enable firewalld # Check FirewallD Service is running check_service_status firewalld # Install and configure Maria-DB print_color "green" "Installing MariaDB Server.." sudo yum install -y mariadb-server print_color "green" "Starting MariaDB Server.." sudo systemctl start mariadb sudo systemctl enable mariadb # Check FirewallD Service is running check_service_status mariadb # Configure Firewall rules for Database print_color "green" "Configuring FirewallD rules for database.." sudo firewall-cmd --permanent --zone=public --add-port=3306/tcp sudo firewall-cmd --reload is_firewalld_rule_configured 3306 # Configuring Database print_color "green" "Setting up database.." cat > setup-db.sql <<-EOF CREATE DATABASE ecomdb; CREATE USER 'ecomuser'@'localhost' IDENTIFIED BY 'ecompassword'; GRANT ALL PRIVILEGES ON *.* TO 'ecomuser'@'localhost'; FLUSH PRIVILEGES; EOF sudo mysql < setup-db.sql # Loading inventory into Database print_color "green" "Loading inventory data into database" cat > db-load-script.sql <<-EOF USE ecomdb; CREATE TABLE products (id mediumint(8) unsigned NOT NULL auto_increment,Name varchar(255) default NULL,Price varchar(255) default NULL, ImageUrl varchar(255) default NULL,PRIMARY KEY (id)) AUTO_INCREMENT=1; INSERT INTO products (Name,Price,ImageUrl) VALUES ("Laptop","100","c-1.png"),("Drone","200","c-2.png"),("VR","300","c-3.png"),("Tablet","50","c-5.png"),("Watch","90","c-6.png"),("Phone Covers","20","c-7.png"),("Phone","80","c-8.png"),("Laptop","150","c-4.png"); EOF sudo mysql < db-load-script.sql mysql_db_results=$(sudo mysql -e "use ecomdb; select * from products;") if [[ $mysql_db_results == *Laptop* ]] then print_color "green" "Inventory data loaded into MySQl" else print_color "green" "Inventory data not loaded into MySQl" exit 1 fi print_color "green" "---------------- Setup Database Server - Finished ------------------" print_color "green" "---------------- Setup Web Server ------------------" # Install web server packages print_color "green" "Installing Web Server Packages .." sudo yum install -y httpd php php-mysqlnd # Configure firewalld rules print_color "green" "Configuring FirewallD rules.." sudo firewall-cmd --permanent --zone=public --add-port=80/tcp sudo firewall-cmd --reload is_firewalld_rule_configured 80 # Update index.php sudo sed -i 's/index.html/index.php/g' /etc/httpd/conf/httpd.conf # Start httpd service print_color "green" "Start httpd service.." sudo systemctl start httpd sudo systemctl enable httpd # Check FirewallD Service is running check_service_status httpd # Download code print_color "green" "Install GIT.." sudo yum install -y git sudo git clone https://github.com/kodekloudhub/learning-app-ecommerce.git /var/www/html/ sudo sed -i 's#// \(.*mysqli_connect.*\)#\1#' /var/www/html/index.php sudo sed -i 's#// \(\$link = mysqli_connect(.*172\.20\.1\.101.*\)#\1#; s#^\(\s*\)\(\$link = mysqli_connect(\$dbHost, \$dbUser, \$dbPassword, \$dbName);\)#\1// \2#' /var/www/html/index.php print_color "green" "Updating index.php.." sudo sed -i 's/172.20.1.101/localhost/g' /var/www/html/index.php print_color "green" "---------------- Setup Web Server - Finished ------------------" # Test Script web_page=$(curl http://localhost) for item in Laptop Drone VR Watch Phone do check_item "$web_page" $item done