Kubernetes custom HPA using prometheus

Kubernetes HPA using prometheus queries

Configuration

• Yaml config file used to scale applications, mounted at /config/config.yaml

    - name: hello-world
      maxReplicas: 5
      minReplicas: 1
      query: up
      scaleFactor: 2```
    
  

Environment Variables

EnvVar	Description	Default
PROM_ENDPOINT	Prometheus endoint to query	prometheus:9090
CHECK_INTERVAL	how often to query prometheus (in seconds)	120

Build

docker build . -t k8s-custom-hpa

Run the autoscaler

Needs to be run within a kubernetes cluster helm install -n autoscaler helm/k8s-custom-hpa