Warning
You are currently viewing v"2.1" of the documentation and it is not the latest. For the most recent documentation, kindly click here.
Trigger Specification
This specification describes the prometheus trigger that scales based on a Prometheus.
triggers:
- type: prometheus
metadata:
# Required
serverAddress: http://<prometheus-host>:9090
metricName: http_requests_total
query: sum(rate(http_requests_total{deployment="my-deployment"}[2m])) # Note: query must return a vector/scalar single element response
threshold: '100'
Parameter list:
serverAddress- Address of Prometheus server. If using VictoriaMetrics cluster version, set full URL to Prometheus querying API, e.g.http://<vmselect>:8481/select/0/prometheusmetricName- Metric name to use.query- Query to run.threshold- Value to start scaling for.
Authentication Parameters
Not supported yet.
Example
apiVersion: keda.sh/v1alpha1
kind: ScaledObject
metadata:
name: prometheus-scaledobject
namespace: default
spec:
scaleTargetRef:
name: my-deployment
triggers:
- type: prometheus
metadata:
serverAddress: http://<prometheus-host>:9090
metricName: http_requests_total
threshold: '100'
query: sum(rate(http_requests_total{deployment="my-deployment"}[2m]))