{
    "variables": {
        "openstack_auth_url": "{{env `OS_AUTH_URL`}}",
        "openstack_username": "{{env `OS_USERNAME`}}",
        "openstack_password": "{{env `OS_PASSWORD`}}",
        "openstack_tenant_name": "{{env `OS_TENANT_NAME`}}",
        "openstack_domain_name": "{{env `OS_USER_DOMAIN_NAME`}}",
        "openstack_region": "{{env `OS_REGION_NAME`}}",
        "source_image_id": "{{env `OS_SOURCE_IMAGE_ID`}}",
        "flavor_name": "cpu.2c_2g",
        "network_name": "{{env `OS_NETWORK_NAME`}}",
        "image_name": "ubuntu 22.04-{{timestamp}} server",
        "floating_ip_pool": "{{env `OS_FLOATING_IP_POOL`}}",
        "ssh_username": "ubuntu"
    },
    "builders": [
        {
            "type": "openstack",
            "identity_endpoint": "{{user `openstack_auth_url`}}",
            "username": "{{user `openstack_username`}}",
            "password": "{{user `openstack_password`}}",
            "tenant_name": "{{user `openstack_tenant_name`}}",
            "domain_name": "{{user `openstack_domain_name`}}",
            "region": "{{user `openstack_region`}}",
            "image_name": "{{user `image_name`}}",
            "source_image": "{{user `source_image_id`}}",
            "flavor": "{{user `flavor_name`}}",
            "networks": [
                "{{user `network_name`}}"
            ],
            "ssh_username": "{{user `ssh_username`}}",
            "security_groups": [
                "default"
            ],
            "floating_ip_pool": "private_provider",
            "use_floating_ip": true,
            "ssh_timeout": "10m",
            "image_disk_format": "raw",
            "use_blockstorage_volume": true
        }
    ],
    "provisioners": [
        {
            "type": "shell",
            "inline": [
                "sudo apt-get update",
                "sudo apt-get upgrade -y",
                "sudo apt-get autoremove -y",
                "echo 'Initial system updates and cleanup complete.'"
            ]
        },
        {
            "type": "file",
            "source": "pbr-script-cloud-init.yaml",
            "destination": "/tmp/pbr-script-cloud-init.yaml"
        },
        {
            "type": "shell",
            "inline": [
                "sudo mv /tmp/pbr-script-cloud-init.yaml /etc/cloud/cloud.cfg.d/99-custom-pbr-script.cfg",
                "echo 'Cloud-init configuration moved to /etc/cloud/cloud.cfg.d/'"
            ]
        }
    ]
}