To create an AWS EC2 instance with Ansible, you can use the ec2 module. Here's an example Ansible playbook that creates a t2.micro instance with CentOS 7:
Where,
name: A description for the playbook.
hosts: localhost is used as we run this playbook locally.
gather_facts: Set to False to avoid gathering facts about the local machine.
ec2 module: This module is used to launch EC2 instances.
key_name: Replace with the name of your EC2 key pair.
region: Specify your AWS region (e.g., us-east-1).
instance_type: Set to t2.micro.
image: Specify the AMI ID for CentOS 7. You'll need to replace ami-XXXXXXXXXXXXXXXXX with the correct CentOS 7 AMI ID.
wait: Set to "yes" to wait for the instance to be in a running state.
count: Number of instances to launch (1 in this case).
group: Your security group name.
vpc_subnet_id: Specify the subnet ID in your VPC.
assign_public_ip: Set to "yes" to assign a public IP to the instance.
register: This stores the information about the newly launched instance in the ec2_instance variable.
add_host: This adds the newly launched instance to a host group named "launched" so you can target it in subsequent plays.
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