Kubernetes Workload Resources

00-REAME.md

Kubernetes workload resources

• Deployment
• Stateful
• Job
• CronJob
• DeamonSet
• Cannary Deployment
• BlueGreen Deployment

05b-autoscalling-deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: autoscale-nginx-deploy
  labels:
    app: nginx
    env: test
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
      env: test
  template:
    metadata:
      name: autoscale-nginx-deploy
      labels:
        app: nginx
        env: test
    spec:
      containers:
        - name: nginx
          image: nginx:mainline
          imagePullPolicy: IfNotPresent
          resources:
            requests:
              cpu: 10m
              memory: 10Mi
            limits:
              cpu: 50m
              memory: 50Mi
          ports:
            - containerPort: 80
              name: http
      restartPolicy: Always
---
apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
  name: autoscale-nginx-deploy
spec:
  maxReplicas: 10
  minReplicas: 1
  scaleTargetRef:
    kind: Deployment
    name: autoscale-nginx-deploy
    apiVersion: apps/v1
  metrics:
    - type: Pods
      pods:
        metric:
          name: packets-per-second
        target:
          type: AverageValue
          averageValue: 5k
---
apiVersion: v1
kind: Service
metadata:
  name: autoscale-nginx-deploy
spec:
  selector:
    app: nginx
    env: test
  ports:
    - protocol: TCP
      port: 80
      targetPort: 80
  type: NodePort

05b-basic-deploy-nginx.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: nginx-deploy
  labels:
    app: nginx
    env: test
spec:
  replicas: 3
  selector:
    matchLabels:
      app: nginx
      env: test
  template:
    metadata:
      name: nginx-deploy
      labels:
        app: nginx
        env: test
    spec:
      containers:
        - name: nginx
          image: nginx:mainline
          imagePullPolicy: IfNotPresent
          ports:
            - containerPort: 80
              name: http
      restartPolicy: Always

05b-rollingupdate-deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: rollingupdate-nginx-deploy
  labels:
    app: nginx
    env: test
spec:
  strategy:
    rollingUpdate:
      maxSurge: 3
      maxUnavailable: 2
  replicas: 10
  selector:
    matchLabels:
      app: nginx
      env: test
  template:
    metadata:
      name: nginx
      labels:
        app: nginx
        env: test
    spec:
      containers:
        - name: nginx
          image: nginx:mainline
          imagePullPolicy: IfNotPresent
          ports:
            - containerPort: 80
              name: http
      restartPolicy: Always