KEDA | Cron

Scale applications based on a cron schedule.

Availability: v1.5+ Maintainer: Community

Trigger Specification

This specification describes the cron trigger that scales based on a Cron Schedule.

triggers:
- type: cron
  metadata:
    # Required
    timezone: Asia/Kolkata  # The acceptable values would be a value from the IANA Time Zone Database.
    start: 30 * * * *       # Every hour on the 30th minute
    end: 45 * * * *         # Every hour on the 45th minute
    desiredReplicas: "10"

Parameter list:

timezone is one of the acceptable values from the IANA Time Zone Database. The list of timezones can be found in: https://en.wikipedia.org/wiki/List_of_tz_database_time_zones. Required.
start is the cron expression indicating the start of the cron schedule. Required.
end is the cron expression indicating the end of the cron schedule. Required.
desiredReplicas is the number of replicas to which the resource has to be scaled between the start and end of the cron schedule. Required.

Example

apiVersion: keda.k8s.io/v1alpha1
kind: ScaledObject
metadata:
  name: cron-scaledobject
  namespace: default
spec:
  scaleTargetRef:
    deploymentName: my-deployment
  triggers:
  - type: cron
    metadata:
      timezone: Asia/Kolkata
      start: 30 * * * *
      end: 45 * * * *
      desiredReplicas: "10"

Trigger Specification

Example

Currently available scalers for KEDA