example1.json

{
  "builders": [
    {
      "type": "openstack",
      "username": "admin",
      "password": "testpass",
      "provider": "http://192.168.1.200:5000/v2.0",
      "ssh_username": "ubuntu",
      "project": "admin",
      "region": "RegionOne",
      "image_name": "Packer Test Image",
      "source_image": "b3a4368b-7368-45e5-bfe4-63f59d732c41",
      "flavor": "0d7e469c-e99b-4267-b154-35874b224f54",
      "networks": ["0296eb7d-7f94-4cc1-b42f-f2d680b81359"],
      "use_floating_ip": true
    }
  ]
}