sample hpa

deploy/addepar/sample-hpa/Makefile

@@ -0,0 +1,25 @@
+sample-app:
+	kubectl create -n default -f sample-app.deploy.yaml
+	kubectl create -n default -f sample-app.service.yaml
+
+delete-sample-app:
+	kubectl delete -n default -f sample-app.deploy.yaml
+	kubectl delete -n default -f sample-app.service.yaml
+
+monitor:
+	kubectl create -n default -f service-monitor.yaml
+
+hpa:
+	kubectl delete -f sample-app.hpa.yaml
+	kubectl create -f sample-app.hpa.yaml
+
+test:
+	kubectl get --raw "/apis/custom.metrics.k8s.io/v1beta1/namespaces/default/pods/*/http_requests?selector=app%3Dsample-app"
+
+get-ip:
+	kubectl get service sample-app -o jsonpath='{ .spec.clusterIP }'
+
+busybox:
+	# run wget -qO- IP_ADDRESS
+	kubectl run -it --rm --restart=Never busybox --image=gcr.io/google-containers/busybox sh
+

deploy/addepar/sample-hpa/sample-app.deploy.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: sample-app
+  labels:
+    app: sample-app
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: sample-app
+  template:
+    metadata:
+      labels:
+        app: sample-app
+    spec:
+      containers:
+        - image: luxas/autoscale-demo:v0.1.2
+          name: metrics-provider
+          ports:
+            - name: http
+              containerPort: 8080

deploy/addepar/sample-hpa/sample-app.hpa.yaml

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+kind: HorizontalPodAutoscaler
+apiVersion: autoscaling/v2beta1
+metadata:
+  name: sample-app
+spec:
+  scaleTargetRef:
+    # point the HPA at the sample application
+    # you created above
+    apiVersion: apps/v1
+    kind: Deployment
+    name: sample-app
+  # autoscale between 1 and 10 replicas
+  minReplicas: 1
+  maxReplicas: 10
+  metrics:
+    # use a "Pods" metric, which takes the average of the
+    # given metric across all pods controlled by the autoscaling target
+    - type: Pods
+      pods:
+        # use the metric that you used above: pods/http_requests
+        metricName: http_requests
+        # target 500 milli-requests per second,
+        # which is 1 request every two seconds
+        targetAverageValue: 20m

deploy/addepar/sample-hpa/sample-app.service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    app: sample-app
+  name: sample-app
+spec:
+  ports:
+    - name: http
+      port: 80
+      protocol: TCP
+      targetPort: 8080
+  selector:
+    app: sample-app
+  type: ClusterIP

deploy/addepar/sample-hpa/service-monitor.yaml

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+kind: ServiceMonitor
+apiVersion: monitoring.coreos.com/v1
+metadata:
+  name: sample-app
+  labels:
+    app: sample-app
+spec:
+  selector:
+    matchLabels:
+      app: sample-app
+  endpoints:
+    - port: http