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  5. OS::Heat::WaitConditionHandle

OS::Heat::WaitConditionHandle

Resource for managing instance signals.

The main points of this resource are:

  • have no dependencies (so the instance can reference it).
  • create credentials to allow for signaling from the instance.
  • handle signals from the instance, validate and store result.

Optional Properties

Name

Description

signal_transport

How the client will signal the wait condition.

  • TOKEN_SIGNAL will allow and HTTP POST to a Heat API endpoint with the provided keystone token.
  • NO_SIGNAL will result in the resource going to a signalled state without waiting for any signal.

String value expected.

Updates cause replacement.

Defaults to "TOKEN_SIGNAL".

Allowed values: TOKEN_SIGNAL, NO_SIGNAL

Attributes

Name

Description

curl_cli

Convenience attribute, provides curl CLI command prefix, which can be used for signaling handle completion or failure when signal_transport is set to TOKEN_SIGNAL. You can signal success by adding –data-binary {"status": "SUCCESS"} , or signal failure by adding –data-binary {"status": "FAILURE"}. This attribute is set to None for all other signal transports.

endpoint

Endpoint/url which can be used for signaling handle when signal_transport is set to TOKEN_SIGNAL. None for all other signal transports.

token

Token for stack-user which can be used for signaling handle when signal_transport is set to TOKEN_SIGNAL. None for all other signal transports.

HOT Syntax

heat_template_version: 2014-10-16
...
resources:
  ...
  the_resource:
    type: OS::Heat::WaitConditionHandle
    properties:
      signal_transport: String