Liiklus Topic

Scale applications based on Liiklus Topic.

Availability: v1.0+ Maintainer: Community

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Trigger Specification

This specification describes the liiklus trigger for Liiklus Topic.

triggers:
- type: liiklus
  metadata:
    # Required
    address: localhost:6565
    group: my-group
    topic: test-topic
    # Optional
    lagThreshold: "50"
    # Optional
    activationLagThreshold: "20"
    groupVersion: 1

Parameter list:

address - Address of the gRPC liiklus API endpoint.
group - Name of consumer group.
topic - Topic to monitor and scale based on lagThreshold.
lagThreshold - Value to trigger scaling actions for. (Default: 10, Optional)
activationLagThreshold - Target value for activating the scaler. Learn more about activation here. (Default: 0, Optional)
groupVersion - Version of the group to consider when looking at messages. See docs. (Default: 0, Optional)

Authentication Parameters

Not supported yet.

Example

apiVersion: keda.sh/v1alpha1
kind: ScaledObject
metadata:
  name: liiklus-scaledobject
  namespace: default
spec:
  scaleTargetRef:
    name: function-deployment
  pollingInterval: 30
  triggers:
  - type: liiklus
    metadata:
      # Required
      address: localhost:6565
      group: my-group       # Make sure that this consumer group name is the same one as the one that is consuming topics
      topic: test-topic
      # Optional
      lagThreshold: "50"    # Default value is set to 10