Terraform
Terraform is an open-source infrastructure as code (IaC) tool that enables you to define and provision infrastructure resources in a declarative manner. It allows you to describe your desired infrastructure state using a high-level configuration language called HashiCorp Configuration Language (HCL), and then Terraform automatically creates and manages the necessary resources to achieve that state.
Terraform supports various cloud providers, including AWS, and allows you to provision and manage a wide range of resources such as virtual machines, networks, storage, databases, and more.
One of the key advantages of using Terraform is its ability to provide predictable and consistent infrastructure deployments. With Terraform, you can version control your infrastructure code, track changes over time, and collaborate with your team effectively.
Here's an example of how you can use Terraform to provision an AWS EC2 instance:
1import com.amazonaws.services.ec2.AmazonEC2Client;
2import com.amazonaws.services.ec2.model.RunInstancesRequest;
3import com.amazonaws.services.ec2.model.RunInstancesResult;
4
5public class Main {
6 public static void main(String[] args) {
7 // Create a new EC2 client
8 AmazonEC2Client ec2Client = new AmazonEC2Client();
9
10 // Create a new RunInstancesRequest
11 RunInstancesRequest request = new RunInstancesRequest()
12 .withImageId("ami-12345678")
13 .withInstanceType("t2.micro")
14 .withMinCount(1)
15 .withMaxCount(1);
16
17 // Run the EC2 instances
18 RunInstancesResult result = ec2Client.runInstances(request);
19
20 // Print the instance IDs
21 for (Instance instance : result.getReservation().getInstances()) {
22 System.out.println(instance.getInstanceId());
23 }
24 }
25}