subnova / packer-resource

Concourse CI resource to build machine images with Packer

Packer Build Resource

A Concourse CI resource to build new Amazon Machine Images (AMI) via Packer

Source Configuration

• region (optional string): The AWS region to work in - defaults to AWS_REGION environment variable
• owners (optional list): The list of owners to use when searching for AMI during check
• executable_users (optional list): The list of executable users to use when searching for AMI during check
• filters (optional map): The filters to match when searching for AMI during check

Behaviour

check: Check for new versions of an AMI

Returns an ordered list of versions that match the criteria specified in the source. This can be used to trigger a new build when an AMI is updated.

in: Get metadata about an AMI

Provides 3 files:

• version.txt - a text file containing the selected AMI id
• version.json - a JSON file containing the selected AMI id in the ami field
• image.json - the AWS metadata for the selected AMI

out: Build a new AMI

Parameters

• template (required string): The path to the packer template.
• var_file (optional string or list): The path or list of paths to a [external JSON variable file] (https://www.packer.io/docs/templates/user-variables.html).
• credentials (optional string): The path to the AWS credentials file to use
• profile (optional string): The AWS profile to use (defaults to default)

All other parameters will be passed through to packer as variables.

Example

resource_types:
- name: packer
  type: docker-image
  source:
    repository: subnova/packer-resource

resources:
- name: base-ami
  type: packer
  source:
    region: eu-west-1
    owners: ["12345678"]
    filters:
      name: ["Ubuntu *"]
      "tag:System": ["packer"]

- name: created-ami
  type: packer
  source:
    region: eu-west-1
    owners: [self]
    filters:
      name: ["My amazing AMI *"]

- name: my-ami-source
  type: git
  source:
    uri: https://github.com/abc/repo

jobs:
- name: my-ami
  plan:
  - get: my-ami-source
    trigger: true
  - get: base-ami
    trigger: true
  - put: created-ami
    params:
      template: my-ami-source/packer_template.json
      var_file:
        - base-ami/version.json
        - my-ami-source/packer_params.json