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Scale applications based on New Relic NRQL

Availability: 2.6+ Maintainer: Community

Trigger Specification

This specification describes the new-relic trigger that scales based on a New Relic metric.

triggers:
  - type: new-relic
    metadata:
      # Required: Account - Subaccount to run the query on
      account: 1234567
      # Required: QueryKey - Api key to connect to New Relic
      queryKey: "NRAK-xxxxxxxxxxxxxxxxxxxxxxxxxxx"
      # Optional: nrRegion - Region to query data for. Default value is US.
      region: "US"
      # Optional: noDataError - If the query returns no data should this be treated as an error. Default value is false.
      noDataError: "true"
      # Required: nrql
      nrql: "SELECT average(duration) from Transaction where appName='SITE' TIMESERIES"
      # Required: threshold
      threshold: "50.50"
      # Optional: activationThreshold - Target value for activating the scaler.
      activationThreshold: "20.1"

Parameter list:

  • account - The account within New Relic that the request should be targeted against.
  • queryKey - The API key that will be leveraged to connect to New Relic and make requests. official documentation
  • region - The region to connect to for the New Relic apis. (Values: LOCAL, EU, STAGING, US, Default: US, Optional)
  • noDataError - Should queries that return nodata be treated as an error (Values: true, false, Default: false, Optional)
  • nrql - The New Relic query that will be run to get the data requested. official documentation
  • threshold - A threshold that is used as the targetValue or targetAverageValue (depending on the trigger metric type) in the HPA configuration. (This value can be a float)
  • activationThreshold - Target value for activating the scaler. Learn more about activation here.(Default: 0, Optional, This value can be a float)

Authentication Parameters

You can use TriggerAuthentication CRD to configure the authentication with a queryKey.

Authentication:

  • queryKey - The API key that will be leveraged to connect to New Relic and make requests. official documentation

  • account - The account within New Relic that the request should be targeted against. This can be used to replace the value that would be provided in the trigger.

  • region - The region to connect to for the New Relic apis. This can be used to replace the value that would be provided in the trigger.

Example

apiVersion: v1
kind: Secret
metadata:
  name: new-relic-secret
  namespace: my-project
type: Opaque
data:
  apiKey: TlJBSy0xMjM0NTY3ODkwMTIzNDU2Nwo= # base64 encoding of the new relic api key NRAK-12345678901234567
  account: MTIzNDU2 # base64 encoding of the new relic account number 123456
  region: VVM= # base64 encoding of the new relic region US
---
apiVersion: keda.sh/v1alpha1
kind: TriggerAuthentication
metadata:
  name: keda-trigger-auth-new-relic
  namespace: my-project
spec:
  secretTargetRef:
  - parameter: queryKey
    name: new-relic-secret
    key: apiKey
  - parameter: account
    name: new-relic-secret
    key: account
  - parameter: region
    name: new-relic-secret
    key: region

---
apiVersion: keda.sh/v1alpha1
kind: ScaledObject
metadata:
  name: newrelic-scaledobject
  namespace: keda
spec:
  maxReplicaCount: 12
  scaleTargetRef:
    name: dummy
  triggers:
    - type: new-relic
      metadata:
        nrql: "SELECT average(duration) from Transaction where appName='SITE' TIMESERIES"
        noDataError: "true"
        threshold: 1000
        authenticationRef:
          name: keda-trigger-auth-new-relic

Currently available scalers for KEDA