swift_signal.yaml

heat_template_version: 2014-10-16

description: |
  Single node linux server with swift signaling.

resources:
  signal_handle:
    type: "OS::Heat::SwiftSignalHandle"

  linux_server:
    type: OS::Nova::Server
    properties:
      image: 4b14a92e-84c8-4770-9245-91ecb8501cc2
      flavor: 1 GB Performance
      user_data:
        str_replace:
          template: |
            #!/bin/bash -x
            # assume you are doing a long running operation here
            sleep 10

            # Assuming long running operation completed successfully, notify success signal
            wc_notify --data-binary '{"status": "SUCCESS"}'

          params:
            wc_notify: { get_attr: ['signal_handle', 'curl_cli'] }

  wait_on_server:
    type: OS::Heat::SwiftSignal
    properties:
      handle: {get_resource: signal_handle}
      count: 1
      timeout: 600

outputs:
  signal_url:
    value: { get_attr: ['signal_handle', 'curl_cli'] }
    description: Swift signal URL

  server_public_ip:
    value: { get_attr: [ linux_server, accessIPv4 ] }
    description: Linux server public IP