ActiveMQ Artemis Latest

Scale applications based on ActiveMQ Artemis queues

Availability: v1.5+ Maintainer: Community

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Trigger Specification

This specification describes the artemis-queue trigger for ActiveMQ Artemis queues.

triggers:
- type: artemis-queue
  metadata:
    managementEndpoint: "artemis-activemq.artemis:8161" 
    queueName: "test"
    brokerName: "artemis-activemq"
    brokerAddress: "test"
    queueLength: '10' 
    username: 'ARTEMIS_USERNAME'
    password: 'ARTEMIS_PASSWORD'

Parameter list:

  • managementEndpoint: “hostname:port” to connect to ActiveMQ Artemis management endpoint.
  • queueName: the name of the queue to check for the number of messages available.
  • brokerName: the name of the broker as defined in Artemis.
  • brokerAddress: the address name of the broker.
  • queueLength How much messages are in the queue. Default is 10. Optional.

Authentication Parameters

You can use TriggerAuthentication CRD to configure the username and password to connect to the management endpoint.

Username and Password based authentication:

  • username Required. The username to use to connect to the broker’s management endpoint.
  • password Required. The password to use to connect to the broker’s management endpoint.

Example

apiVersion: v1
kind: Secret
metadata:
  name: kedartemis
  namespace: kedartemis
  labels:
    app: kedartemis
type: Opaque
data:
  artemis-password: "YXJ0ZW1pcw=="
  artemis-username: "YXJ0ZW1pcw=="
---
apiVersion: keda.k8s.io/v1alpha1
kind: TriggerAuthentication
metadata:
  name: trigger-auth-kedartemis
  namespace: kedartemis
spec:
  secretTargetRef:
    - parameter: username
      name: kedartemis
      key: artemis-username
    - parameter: password
      name: kedartemis
      key: artemis-password
---
apiVersion: keda.k8s.io/v1alpha1
kind: ScaledObject
metadata:
  name: kedartemis-consumer-scaled-object
  namespace: kedartemis
  labels:
    deploymentName: kedartemis-consumer
spec:
  scaleTargetRef:
    deploymentName: kedartemis-consumer
  triggers:
    - type: artemis-queue
      metadata:
        managementEndpoint: "artemis-activemq.artemis:8161"
        queueName: "test"
        queueLength: "50"
        brokerName: "artemis-activemq"
        brokerAddress: "test"
      authenticationRef:
        name: trigger-auth-kedartemis


Currently available scalers for KEDA