packer.json

{
    "variables": {
        "homefolder": "{{env `HOME`}}",
        "aws_region": "us-east-1",
        "aws_instance_type": "t2.micro",
        "aws_ami_name": "ami_packer",
        "aws_ami_name_pattern": "ubuntu/images/*ubuntu-focal-20.04-amd64*",
        "aws_ami_owner": "099720109477",
        "aws_ami_ssh_username": "ubuntu",
        "aws_os_version": "Amazon Linux",
        "aws_os_release": "Latest"
    },
    "sensitive-variables": ["aws_ami_owner", "aws_ami_name_pattern"],
    "builders": [
        {
            "type": "amazon-ebs",
            "region": "{{user `aws_region`}}",
            "source_ami_filter": {
                "filters": {
                    "virtualization-type": "hvm",
                    "name": "{{user `aws_ami_name_pattern`}}",
                    "root-device-type": "ebs",
                    "architecture": "x86_64"
                },
                "owners": ["{{user `aws_ami_owner`}}"],
                "most_recent": true
            },
            "instance_type": "{{user `aws_instance_type`}}",
            "ssh_username": "{{user `aws_ami_ssh_username`}}",
            "ami_name": "{{user `aws_ami_name`}}-{{ timestamp }}",
            "ami_description": "from .{{ .SourceAMI }}",
            "tags": {
                "OS_Version": "{{user `aws_os_version`}}",
                "Release": "{{user `aws_os_release`}}",
                "Base_AMI_Name": "{{ .SourceAMIName }}"
            }
        }
    ],
    "provisioners": [
        {
            "type": "ansible",
            "playbook_file": "./playbook.yml",
            "user": "ubuntu",
            "extra_arguments": [ "--extra-vars", "ansible_python_interpreter=/usr/bin/python3" ],
            "ansible_env_vars": [ "ANSIBLE_HOST_KEY_CHECKING=False" ]
        }
    ],
    "post-processors": [
        {
            "type": "manifest"
        }
    ]
}