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OpenStack Builder

Type: openstack

The openstack builder is able to create new images for use with OpenStack. The builder takes a source image, runs any provisioning necessary on the image after launching it, then creates a new reusable image. This reusable image can then be used as the foundation of new servers that are launched within OpenStack. The builder will create temporary keypairs that provide temporary access to the server while the image is being created. This simplifies configuration quite a bit.

The builder does not manage images. Once it creates an image, it is up to you to use it or delete it.

Configuration Reference

There are many configuration options available for the builder. They are segmented below into two categories: required and optional parameters. Within each category, the available configuration keys are alphabetized.

Required:

  • flavor (string) - The ID or full URL for the desired flavor for the server to be created.

  • image_name (string) - The name of the resulting image.

  • password (string) - The password used to connect to the OpenStack service. If not specified, Packer will attempt to read this from the SDK_PASSWORD or OS_PASSWORD environment variable.

  • provider (string) - The provider used to connect to the OpenStack service. If not specified, Packer will attempt to read this from the SDK_PROVIDER environment variable. For Rackspace this should be rackspace-us or rackspace-uk.

  • region (string) - The name of the region, such as "DFW", in which to launch the server to create the AMI. If not specified, Packer will attempt to read this from the SDK_REGION or OS_REGION_NAME environmental variables.

  • source_image (string) - The ID or full URL to the base image to use. This is the image that will be used to launch a new server and provision it.

  • username (string) - The username used to connect to the OpenStack service. If not specified, Packer will attempt to read this from the SDK_USERNAME or OS_USERNAME environment variable.

Optional:

  • api_key (string) - The API key used to access OpenStack. Some OpenStack installations require this. If not specified, Packer will attempt to read this from the SDK_API_KEY environmental variable.

  • floating_ip (string) - A specific floating IP to assign to this instance. use_floating_ip must also be set to true for this to have an affect.

  • floating_ip_pool (string) - The name of the floating IP pool to use to allocate a floating IP. use_floating_ip must also be set to true for this to have an affect.

  • project (string) - The project name to boot the instance into. Some OpenStack installations require this. If not specified, Packer will attempt to read this from the SDK_PROJECT or OS_TENANT_NAME environmental variables.

  • provider (string) - A name of a provider that has a slightly different API model. Currently supported values are "openstack" (default), and "rackspace". If not specified, Packer will attempt to read this from the SDK_PROVIDER or OS_AUTH_URL environmental variables.

  • security_groups (array of strings) - A list of security groups by name to add to this instance.

  • ssh_port (int) - The port that SSH will be available on. Defaults to port 22.

  • ssh_timeout (string) - The time to wait for SSH to become available before timing out. The format of this value is a duration such as "5s" or "1m". The default SSH timeout is "5m".

  • ssh_username (string) - The username to use in order to communicate over SSH to the running server. The default is "root".

  • tenant_id (string) - Tenant ID for accessing OpenStack if your installation requires this.

  • use_floating_ip (bool) - Whether or not to use a floating IP for the instance.

Basic Example

Here is a basic example. This is a working example to build a Ubuntu 12.04 LTS (Precise Pangolin) on Rackspace OpenStack cloud offering.

{
  "type": "openstack",
  "username": "",
  "password": "",
  "provider": "rackspace-us",
  "region": "DFW",
  "ssh_username": "root",
  "image_name": "Test image",
  "source_image": "23b564c9-c3e6-49f9-bc68-86c7a9ab5018",
  "flavor": "2"
}

Troubleshooting

I get the error "Missing or incorrect provider"

  • Verify your "username", "password" and "provider" settings.

I get the error "Missing endpoint, or insufficient privileges to access endpoint"

  • Verify your "region" setting.