Deleting topics that have durable subscribers attached leaves "unlinked" subscribers behind

[RH-sdavey]

When deleting a topic that has 1 or more subscribers attached, the topic is deleted fine however the subscribers that were attached are left behind, these could be deleted, or it should not be possible to delete the topic with subscribers attached. If another topic is created with the exact same name, these existing subscribers receive the messages sent to the new topic.

After deletion of the topic "goodtopic" , oc get -o json addresses shows,

{
    "apiVersion": "v1",
    "items": [
        {
            "apiVersion": "enmasse.io/v1alpha1",
            "kind": "Address",
            "metadata": {
                "addressSpace": "dur-sub-test-addr",
                "annotations": {
                    "cluster_id": "broker",
                    "enmasse.io/broker-id": "broker-0"
                },
                "creationTimestamp": "2018-08-30T17:29:46Z",
                "name": "dur-sub-test-addr.sub1.4d0ae56f-530e-4d4f-97f7-edc4624bdf19",
                "namespace": "myproject",
                "resourceVersion": "3011",
                "selfLink": "/apis/enmasse.io/v1alpha1/namespaces/myproject/addressspaces/dur-sub-test-addr",
                "uid": "49ee7403-ac7a-11e8-934d-3440b5d4eb20"
            },
            "spec": {
                "address": "sub1",
                "plan": "standard-subscription",
                "topic": "goodtopic",                <-------------------------------
                "type": "subscription"
            },
            "status": {
                "isReady": true,
                "phase": "Active"
            }
        },
        {
            "apiVersion": "enmasse.io/v1alpha1",
            "kind": "Address",
            "metadata": {
                "addressSpace": "dur-sub-test-addr",
                "annotations": {
                    "cluster_id": "broker",
                    "enmasse.io/broker-id": "broker-0"
                },
                "creationTimestamp": "2018-08-30T17:29:57Z",
                "name": "dur-sub-test-addr.sub2.ef9983c8-e4ee-2b4b-8e49-3cd712ee8c70",
                "namespace": "myproject",
                "resourceVersion": "3036",
                "selfLink": "/apis/enmasse.io/v1alpha1/namespaces/myproject/addressspaces/dur-sub-test-addr",
                "uid": "50864293-ac7a-11e8-934d-3440b5d4eb20"
            },
            "spec": {
                "address": "sub2",
                "plan": "standard-subscription",
                "topic": "goodtopic",       <---------------------------------
                "type": "subscription"
            },
            "status": {
                "isReady": true,
                "phase": "Active"
            }
        }
    ],
    "kind": "List",
    "metadata": {
        "resourceVersion": "",
        "selfLink": ""
    }
}

[RH-sdavey]

• Will also look into non-durable subscriptions and queues asap
• Is behaviour different between brokered and standard?