first commit

autoscaling/components/application/app.go

@@ -0,0 +1,22 @@
+package main
+
+import (
+	"fmt"
+	"net/http"
+)
+
+func main(){	
+	http.HandleFunc("/", useCPU)
+	http.ListenAndServe(":80", nil)
+}
+
+func useCPU(w http.ResponseWriter, r *http.Request) {
+	count := 1
+
+	for i := 1; i <= 1000000; i++ {
+		count = i
+	}
+
+	fmt.Printf("count: %d", count)
+	w.Write([]byte(string(count)))
+}

autoscaling/components/application/deployment.yaml

@@ -0,0 +1,50 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: application-cpu
+  labels:
+    app: application-cpu
+spec:
+  type: ClusterIP
+  selector:
+    app: application-cpu
+  ports:
+    - protocol: TCP
+      name: http
+      port: 80
+      targetPort: 80
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: application-cpu
+  labels:
+    app: application-cpu
+spec:
+  selector:
+    matchLabels:
+      app: application-cpu
+  replicas: 1
+  strategy:
+    type: RollingUpdate
+    rollingUpdate:
+      maxSurge: 1
+      maxUnavailable: 0
+  template:
+    metadata:
+      labels:
+        app: application-cpu
+    spec:
+      containers:
+      - name: application-cpu
+        image: aimvector/application-cpu:v1.0.2
+        imagePullPolicy: Always
+        ports:
+        - containerPort: 80
+        resources:
+          requests:
+            memory: "50Mi"
+            cpu: "500m"
+          limits:
+            memory: "500Mi"
+            cpu: "2000m"

autoscaling/components/application/dockerfile

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+FROM golang:1.14-alpine as build
+
+RUN apk add --no-cache git curl
+
+WORKDIR /src 
+
+COPY app.go /src 
+
+RUN go build app.go
+
+FROM alpine as runtime
+
+COPY --from=build /src/app /app/app
+
+CMD [ "/app/app" ]

autoscaling/components/application/traffic-generator.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: traffic-generator
+spec:
+  containers:
+  - name: alpine
+    image: alpine
+    args:
+    - sleep
+    - "100000000"