2022 release

Author: Kaffamanesh von Gueltlingen und von Schlepegrell, Arash (EXTERN: CSG)

0-nginx-all.yaml

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+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  labels:
+    app: nginx
+  name: nginx
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: nginx
+  template:
+    metadata:
+      labels:
+        app: nginx
+    spec:
+      containers:
+      - image: nginx
+        name: nginx
+        ports:
+        - containerPort: 80
+          protocol: TCP
+        #changed https://kubernetes.io/docs/concepts/configuration/manage-resources-containers/#example-1
+        resources:
+          requests:
+            memory: "64Mi"
+            cpu: "250m"
+          limits:
+            memory: "128Mi"
+            cpu: "500m"
+        
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: nginx
+spec:
+  ports:
+  - port: 80
+    protocol: TCP
+    targetPort: 80
+  selector:
+    app: nginx
+  sessionAffinity: None
+  type: LoadBalancer 
+---
+# Ingress resource example changed
+
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: nginx
+  annotations:
+    nginx.ingress.kubernetes.io/rewrite-target: /
+spec:
+  ingressClassName: nginx-example
+  rules:
+  - http:
+      paths:
+      - path: /testpath
+        pathType: Prefix
+        backend:
+          service:
+            name: test
+            port:
+              number: 80
+
+#older example
+
+# apiVersion: extensions/v1beta1
+# kind: Ingress
+# metadata:
+#   name: nginx
+#   annotations:
+#     ingress.kubernetes.io/ssl-redirect: "false"
+# spec:
+#   rules:
+#   - http:
+#       paths:
+#       - path: /
+#         backend:
+#           serviceName: nginx
+#           servicePort: 80
+
+# https://kubernetes.io/docs/reference/using-api/deprecation-guide/#ingress-v122
+# Ingress resource example is replaced with this: https://kubernetes.io/docs/concepts/services-networking/ingress/#the-ingress-resource

0-nginx-configmap.yaml

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+---
+apiVersion: v1
+kind: Pod
+metadata:
+  name: nginx
+  labels:
+    name: nginx
+spec:
+  containers:
+  - name: nginx
+    image: nginx:1.12-alpine
+    command: [ "/bin/sh", "-c", "env" ] #changed so we can run **k logs nginx** to see configmap data.
+    ports:
+    - containerPort: 80
+    envFrom:
+    - configMapRef:
+        name: kubernauts
+  restartPolicy: Never
+
+

0-nginx-deployment.yaml

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+---
+    apiVersion: apps/v1
+    kind: Deployment
+    metadata:
+      labels:
+        app: nginx
+      name: nginx
+    spec:
+      replicas: 1
+      selector:
+        matchLabels:
+          app: nginx
+      template:
+        metadata:
+          labels:
+            app: nginx
+        spec:
+          containers:
+          - image: nginx
+            name: nginx
+            ports:
+            - containerPort: 80
+              protocol: TCP

0-nginx-ingress.yaml

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+---
+# old code commented out  #changed
+# apiVersion: extensions/v1beta1
+# kind: Ingress
+# metadata:
+#   name: nginx
+#   annotations:
+#     ingress.kubernetes.io/ssl-redirect: "false"
+# spec:
+#   rules:
+#   - http:
+#       paths:
+#       - path: /
+#         backend:
+#           serviceName: nginx
+#           servicePort: 80
+
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: nginx
+  annotations:
+    nginx.ingress.kubernetes.io/ssl-redirect: "false"
+spec:
+  ingressClassName: nginx-example
+  rules:
+  - http:
+      paths:
+      - path: /
+        pathType: Prefix
+        backend:
+          service:
+            name: nginx
+            port:
+              number: 80

0-nginx-service.yaml

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+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: nginx
+spec:
+  ports:
+  - port: 80
+    protocol: TCP
+    targetPort: 80
+  selector:
+    app: nginx
+  sessionAffinity: None
+  type: ClusterIP 
+---
+# changed
+# apiVersion: extensions/v1beta1
+# kind: Ingress
+# metadata:
+#   name: nginx
+#   annotations:
+#     ingress.kubernetes.io/ssl-redirect: "false"
+# spec:
+#   rules:
+#   - http:
+#       paths:
+#       - path: /
+#         backend:
+#           serviceName: nginx
+#           servicePort: 80
+
+
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: nginx
+  annotations:
+    nginx.ingress.kubernetes.io/ssl-redirect: "false"
+spec:
+  ingressClassName: nginx-example
+  rules:
+  - http:
+      paths:
+      - path: /
+        pathType: Prefix
+        backend:
+          service:
+            name: nginx
+            port:
+              number: 80

1-whoami-deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: whoami-deployment
+spec:
+  replicas: 2 
+  selector:
+    matchLabels:
+      app: whoami
+  template:
+    metadata:
+      labels:
+        app: whoami
+    spec:
+      containers:
+      - name: whoami-container
+        image: containous/whoami

1-whoami-ingress.yaml

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+# changed
+# apiVersion: extensions/v1beta1
+# kind: Ingress
+# metadata:
+#   name: whoami-ingress
+#   annotations:
+#     kubernetes.io/ingress.class: nginx
+#     # traefik.ingress.kubernetes.io/rule-type: "PathPrefixStrip"
+# spec:
+#   rules:
+#   - host: csky08
+#     http:
+#       paths:
+#       - path: /
+#         backend:
+#           serviceName: whoami-service
+#           servicePort: 80
+
+
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: whoami-ingress
+  annotations:
+    ingressclass.kubernetes.io/is-default-class: "true"
+spec:
+  ingressClassName: nginx
+  rules:
+  - host: csky08
+    http:
+      paths:
+      - path: /
+        pathType: Prefix
+        backend:
+          service:
+            name: whoami-service
+            port:
+              number: 80

1-whoami-service-ClusterIP.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: whoami-service
+spec:
+  ports:
+  - name: http
+    targetPort: 80
+    port: 80
+  selector:
+    app: whoami
+  type: ClusterIP

1-whoami-service-loadbalancer.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  #name: whoami-service-loadbalancer #changed
+  name: whoami-service
+spec:
+  ports:
+  - name: http
+    targetPort: 80
+    port: 80
+  selector:
+    app: whoami
+  type: LoadBalancer

1-whoami-service-nodeport.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  #name: whoami-service-nodeport #changed
+  name: whoami-service
+spec:
+  ports:
+  - name: http
+    targetPort: 80
+    port: 80
+  selector:
+    app: whoami
+  type: NodePort

2-whoareyou-all.yml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: whoareyou-deployment
+spec:
+  replicas: 3
+  selector:
+    matchLabels:
+      app: whoareyou
+  template:
+    metadata:
+      labels:
+        app: whoareyou
+    spec:
+      containers:
+      - name: whoareyou-container
+        image: containous/whoami
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: whoareyou-service
+spec:
+  ports:
+  - name: http
+    targetPort: 80
+    port: 80
+  selector:
+    app: whoareyou
+---
+# changed
+# apiVersion: extensions/v1beta1
+# kind: Ingress
+# metadata:
+#   name: whoareyou-ingress
+#   annotations:
+#     kubernetes.io/ingress.class: "traefik" 
+# spec:
+#   rules:
+#   - host: node2 
+#     http:
+#       paths:
+#       - path: /
+#         backend:
+#           serviceName: whoareyou-service
+#           servicePort: http
+
+
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: whoareyou-ingress
+  annotations:
+    ingressclass.kubernetes.io/is-default-class: "true"
+spec:
+  ingressClassName: traefik
+  rules:
+  - host: node2
+    http:
+      paths:
+      - path: /
+        pathType: Prefix
+        backend:
+          service:
+            name: whoareyou-service
+            port:
+              number: 80
+
+# Do we need to add IngreessClass https://kubernetes.github.io/ingress-nginx/#i-have-only-one-instance-of-the-ingresss-nginx-controller-in-my-cluster-what-should-i-do
+
+