RabbitMQ broker do not generate URL.

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Anderson Soares

Nov 25, 2021, 7:28:06 AM11/25/21
to Knative Users
Hi all,

I'm trying to create a RabbitMQ broker to use against my Azure Service bus.
So, I have done the following,:

So I have the following:
I have Kafka broker configured and working nicely.
However now I want to add the RabbitMQ broker as well.

So I installed the RabbitMQ broker via:

soareslo:~$kubectl get deployment.apps -n knative-eventing 

NAME                         READY   UP-TO-DATE   AVAILABLE   AGE

eventing-controller          1/1     1            1           7d1h

eventing-webhook             1/1     1            1           7d1h

kafka-broker-dispatcher      1/1     1            1           7d1h

kafka-broker-receiver        1/1     1            1           7d1h

kafka-controller             1/1     1            1           7d1h

kafka-webhook-eventing       1/1     1            1           7d1h

pingsource-mt-adapter        0/0     0            0           7d1h

rabbitmq-broker-controller   1/1     1            1           9m4s

rabbitmq-broker-webhook      1/1     1            1           9m4s

Then I created a secret.
With the help of this Microsoft tool https://red-mushroom-0f7446a0f.azurestaticapps.net/
I managed to convert Azure Service Bus string to RabbitMQ amqp.
kubectl create secret --namespace knative-eventing generic azureservicebus --from-literal=brokerURL="I PLACED THE STRING HERE"

and then created RabbitMQ broker:

apiVersion: eventing.knative.dev/v1
kind: Broker
eventing.knative.dev/broker.class: RabbitMQBroker
name: rabbitmqbroker
namespace: default
# Configuration specific to this broker.
apiVersion: v1
kind: Secret
name: azureservicebus
namespace: knative-eventing

However as you can see, the RabbitMQ Broker is not generating the URL.
Does anybody has any idea?

soareslo:~$kubectl get brokers

NAME             URL                                                                                AGE     READY   REASON

lasbroker        http://kafka-broker-ingress.knative-eventing.svc.cluster.local/default/lasbroker   7d2h    True    

rabbitmqbroker                                                                                      2m54s           

Below you can see the broker description without errors.

soareslo:~$kubectl describe broker rabbitmqbroker       

Name:         rabbitmqbroker

Namespace:    default

Labels:       <none>

Annotations:  eventing.knative.dev/broker.class: RabbitMQBroker

              eventing.knative.dev/creator: masterclient

              eventing.knative.dev/lastModifier: masterclient

API Version:  eventing.knative.dev/v1

Kind:         Broker


  Creation Timestamp:  2021-11-25T12:24:49Z

  Generation:          1

  Managed Fields:

    API Version:  eventing.knative.dev/v1

    Fields Type:  FieldsV1















    Manager:         kubectl-client-side-apply

    Operation:       Update

    Time:            2021-11-25T12:24:48Z

  Resource Version:  13195895

  UID:               003cf445-af3c-4519-8237-78e301f505f6



    API Version:  v1

    Kind:         Secret

    Name:         azureservicebus

    Namespace:    knative-eventing

Events:           <none>



Gabriel Freites

Nov 25, 2021, 8:54:56 AM11/25/21
to Anderson Soares, Knative Users

Hey Anderson,

Support for the standalone broker is been dropped so I recommend using the normal broker and following the instructions here:
eventing-rabbitmq/operator-based.md at main · knative-sandbox/eventing-rabbitmq (github.com)

Let me know if with this one things go as expected :)

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Anderson Soares

Nov 25, 2021, 9:16:09 AM11/25/21
to Gabriel Freites, Knative Users
Hello Gabriel,

So I have to create my own RabbitMQ cluster in my kubernetes and then manage it by myself to be able to use the Rabbitmq broker within Knative?
Can't I just point to some external queue like I do with Kafka broker? In Kafka I just point to my kafka cluster parsing the url and it's fine, broker working however with RabbitMQ I can't, right?!
Let me know if I got it correct.

Anderson Soares | Senior Platform Engineer
skype  : anderson.soares221

Gabriel Freites

Nov 25, 2021, 9:41:24 AM11/25/21
to Anderson Soares, Knative Users

Yep, that’s exactly it. It seems that external queues are a known need for the RabbitMQ Cluster and Message Topology Operators, but is not clear when they are going to be implemented.


Sent from Mail for Windows


From: Anderson Soares <soaresan...@gmail.com>
Sent: Thursday, November 25, 2021 9:15:55 AM
To: Gabriel Freites <gfre...@vmware.com>
Cc: Knative Users <knativ...@googlegroups.com>
Subject: Re: [Suspected Spam] RabbitMQ broker do not generate URL.

Sameer Vohra

Dec 1, 2021, 6:15:21 PM12/1/21
to Gabriel Freites, Anderson Soares, Knative Users

Hi Anderson,

The Knative RabbitMQ Source enables pulling events from any RabbitMQ queue.

This issue provides some more context regarding the Knative RabbitMQ Broker.




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