barbican/api-guide/source/consumers.rst
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Consumers API - User Guide

This guide assumes you will be using a local development environment of barbican. If you need assistance with getting set up, please reference the development guide.

What is a Consumer?

A consumer is a way to register as an interested party for a container. All of the registered consumers can be viewed by performing a GET on the {container_ref}/consumers. The idea being that before a container is deleted all consumers should be notified of the delete.

How to Create a Consumer

curl -X POST -H "X-Auth-Token: $TOKEN" -H "Content-Type: application/json" \
-d '{"name": "consumername", "URL": "consumerURL"}' \
 http://localhost:9311/v1/containers/74bbd3fd-9ba8-42ee-b87e-2eecf10e47b9/consumers

This will return the following response:

{
    "status": "ACTIVE",
    "updated": "2015-10-15T21:06:33.121113",
    "name": "container name",
    "consumers": [
        {
            "URL": "consumerurl",
            "name": "consumername"
        }
    ],
    "created": "2015-10-15T17:55:44.380002",
    "container_ref":
    "http://localhost:9311/v1/containers/74bbd3fd-9ba8-42ee-b87e-2eecf10e47b9",
    "creator_id": "b17c815d80f946ea8505c34347a2aeba",
    "secret_refs": [
        {
            "secret_ref": "http://localhost:9311/v1/secrets/b61613fc-be53-4696-ac01-c3a789e87973",
            "name": "private_key"
        }
    ],
    "type": "generic"
}

How to Retrieve a Consumer

To retrieve a consumer perform a GET on the {container_ref}/consumers This will return all consumers for this container. You can optionally add a limit and offset query parameter.

curl -H "X-Auth-Token: $TOKEN" \
http://192.168.99.100:9311/v1/containers/74bbd3fd-9ba8-42ee-b87e-2eecf10e47b9/consumers

This will return the following response:

{
    "total": 1,
    "consumers": [
        {
            "status": "ACTIVE",
            "URL": "consumerurl",
            "updated": "2015-10-15T21:06:33.123878",
            "name": "consumername",
            "created": "2015-10-15T21:06:33.123872"
        }
    ]
}

The returned value is a list of all consumers for the specified container. Each consumer will be listed with its metadata..

If the offset and limit parameters are specified then you will see a previous and next reference which allow you to cycle through all of the consumers for this container.

curl -H "X-Auth-Token: $TOKEN" \
http://192.168.99.100:9311/v1/containers/74bbd3fd-9ba8-42ee-b87e-2eecf10e47b9/consumers?limit=1\&offset=1

This will return the following response:

{
    "total": 3,
    "next": "http://localhost:9311/v1/containers/74bbd3fd-9ba8-42ee-b87e-2eecf10e47b9/consumers?limit=1&offset=2",
    "consumers": [
        {
            "status": "ACTIVE",
            "URL": "consumerURL2",
            "updated": "2015-10-15T21:17:08.092416",
            "name": "consumername2",
            "created": "2015-10-15T21:17:08.092408"
        }
    ],
    "previous": "http://localhost:9311/v1/containers/74bbd3fd-9ba8-42ee-b87e-2eecf10e47b9/consumers?limit=1&offset=0"
}

How to Delete a Consumer

To delete a consumer for a container you must provide the consumer name and URL which were used when the consumer was created.

curl -X DELETE -H "X-Auth-Token: $TOKEN" -H "Content-Type: application/json" \
 -d '{"name": "consumername", "URL": "consumerURL"}' \
  http://localhost:9311/v1/containers/74bbd3fd-9ba8-42ee-b87e-2eecf10e47b9/consumers

This will return the following response:

{
    "status": "ACTIVE",
    "updated": "2015-10-15T17:56:18.626724",
    "name": "container name",
    "consumers": [],
    "created": "2015-10-15T17:55:44.380002",
    "container_ref": "http://localhost:9311/v1/containers/74bbd3fd-9ba8-42ee-b87e-2eecf10e47b9",
    "creator_id": "b17c815d80f946ea8505c34347a2aeba",
    "secret_refs": [
        {
            "secret_ref": "http://localhost:9311/v1/secrets/b61613fc-be53-4696-ac01-c3a789e87973",
            "name": "private_key"
        }
    ],
    "type": "generic"
}

A successful delete will return an HTTP 200 OK. The response content will be the container plus the consumer list, minus the consumer which was just deleted.