(A)K8S Resources Demo

---
apiVersion: v1
kind: Namespace
metadata:
  name: nginx
---
apiVersion: v1
kind: ResourceQuota
metadata:
  name: ns-resource-quota
  namespace: nginx
spec:
  hard:
    requests.cpu: "10"
    requests.memory: 4Gi
    limits.cpu: "15"
    limits.memory: 8Gi  
    pods: "50"
---
apiVersion: apps/v1
kind: Deployment
metadata:
  namespace: nginx
  name: myapp
  labels:
    app: myapp
spec:
  replicas: 3
  selector:
    matchLabels:
      app: myapp
  template:
    metadata:
      labels:
        app: myapp
    spec:
      containers:
      - name: myapp
        image: nginx:1.7.9
        ports:
        - containerPort: 80
        livenessProbe:
          httpGet:
            path: /
            port: 80
          initialDelaySeconds: 10
          periodSeconds: 5
        resources:
          requests:
            cpu: 250m
            memory: 128Mi
          limits:
            cpu: 750m
            memory: 256Mi
      tolerations:
        - key: "WORKLOAD"
          operator: "Equal"
          value: "TEST"
          effect: "NoSchedule"
      nodeSelector:
        "kubernetes.io/os": linux
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
            - matchExpressions:
              - key: agentpool
                operator: In
                values:
                - usernp001
---
apiVersion: v1
kind: Service
metadata:
  name: myapp
  namespace: nginx
spec:
  selector:
    app: myapp
  ports:
    - protocol: TCP
      port: 80
      targetPort: 80
  type: LoadBalancer
---
apiVersion: policy/v1
kind: PodDisruptionBudget
metadata:
   name: myapp-pdb
   namespace: nginx
spec:
   minAvailable: 3
   selector:
    matchLabels:
      app: myapp
---
apiVersion: autoscaling/v1
kind: HorizontalPodAutoscaler
metadata:
  name: myapp-hpa
  namespace: nginx
spec:
  maxReplicas: 20
  minReplicas: 3
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: myapp
  targetCPUUtilizationPercentage: 5 # target CPU utilization