redopsbay / resource-pressure

Docker Image to test HPA and Node Autoscaler

Resource Pressure

Tool to create a CPU and Memory pressure to test the scaling capabilities of your cluster.

Prerequisite
1. AWS Autoscaling Group
2. AWS EKS Cluster or other kubernetes cluster

Build 🏗️

docker build -t <target-repo> .

Running on Docker 🏃

docker run -d --rm --name resource-pressure --hostname resource-pressure \
        --env NUM_THREADS="500" <docker-image>:<docker-tag>

Running on Kubernetes 🚢

---
# Horizontal Pod Autoscaling
kind: HorizontalPodAutoscaler
apiVersion: autoscaling/v2beta2
metadata:
  name: resource-pressure-hpa
  namespace: default
spec:
  minReplicas: 1
  maxReplicas: 200
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: resource-pressure
  metrics:
  - type: Resource
    resource:
      name: cpu
      target:
        type: Utilization
        averageUtilization: 80%
  - type: Resource
    resource:
      name: memory
      target:
        type: Utilization
        averageUtilization: 80%
---
# Sample Deployment #
apiVersion: apps/v1
kind: Deployment
metadata:
  name: resource-pressure
spec:
  replicas: 2
  selector:
    matchLabels:
      app: resource-pressure
      version: v1
  template:
    metadata:
      labels:
        app: resourcepressure
        version: v1
    spec:
      containers:
      - image: redopsbay/resource-pressure:v1
        imagePullPolicy: IfNotPresent
        name: resource-pressure
        env:
        - name: NUM_THREADS
          value: "150"