Ansible Role: ec2_create

An Ansible role to create Ubuntu and Amazon Linux EC2 instances on AWS.

Requirements

• Ansible 2.9 or higher
• AWS credentials with permissions to create EC2 instances

Prerequisites

Before running the playbook, make sure you have the following prerequisites set up:

1. Generate a vault password file using OpenSSL:

openssl rand -base64 32 > vault.pass

2. Create a vault file (pass.yml) using Ansible Vault with the generated password file:

ansible-vault create pass.yml --vault-password-file vault.pass

3. Store your AWS credentials (access key and secret key) in the created vault file (pass.yml). The file should look like this:

access_key: YOUR_AWS_ACCESS_KEY_ID
secret_key: YOUR_AWS_SECRET_ACCESS_KEY

Role Variables

The following variables can be customized:

• access_key: AWS access key ID.
• secret_key: AWS secret access key.
• region: AWS region where EC2 instances will be created.
• instance_type: EC2 instance type (e.g., t2.micro).
• key_pair: Name of the SSH key pair to use for instance access.
• security_group: ID of the security group for EC2 instances.
• availability_zone: Name of tha availability zone in which the EC2 instances will be created.
• assign_public_ip: Whether to assign a public IP address to instances (true or false).
• env: Environment tag for the instances.
• ec2_instances: List of dictionaries specifying the EC2 instances to create, including image IDs and instance names.

Dependencies

No dependencies on other roles.

Example Playbook

- name: EC2 Instances Creation Playbook
  hosts: localhost
  connection: local
  vars_files:
    - "<your_vault_file_location>"   # This file (pass.yml) provides encrypted variables for the ec2_create role
  roles:
    - ec2_create

Running the Playbook

To run the playbook, use the following command:

ansible-playbook <your_playbook_name> --vault-password-file <your_vault_password_file_location>

License

MIT

Author Information

Author: Surya