Add https example

Author: phillc

examples/.gitignore

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+example.key
+example.crt

examples/https-nginx.yaml

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+---
+kind: Service
+apiVersion: v1
+metadata:
+  name: https-lb
+  annotations:
+    service.beta.kubernetes.io/linode-loadbalancer-throttle: "4"
+    service.beta.kubernetes.io/linode-loadbalancer-default-protocol: "http"
+    service.beta.kubernetes.io/linode-loadbalancer-port-443: |
+      {
+        "tls-secret-name": "example-secret",
+        "protocol": "https"
+      }
+spec:
+  type: LoadBalancer
+  selector:
+    app: nginx-https-example
+  ports:
+    - name: http
+      protocol: TCP
+      port: 80
+      targetPort: http
+    - name: https
+      protocol: TCP
+      port: 443
+      targetPort: https
+
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: nginx-https-deployment
+spec:
+  replicas: 2
+  selector:
+    matchLabels:
+      app: nginx-https-example
+  template:
+    metadata:
+      labels:
+        app: nginx-https-example
+    spec:
+      containers:
+      - name: nginx
+        image: nginx
+        ports:
+          - name: http
+            containerPort: 80
+            protocol: TCP
+          - name: https
+            containerPort: 80
+            protocol: TCP

examples/test.sh

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+#!/bin/bash
+
+set -euxo pipefail
+
+kubectl apply -f ./http-nginx.yaml
+kubectl apply -f ./tcp-nginx.yaml
+
+openssl req -newkey rsa:4096 \
+            -x509 \
+            -sha256 \
+            -days 3650 \
+            -nodes \
+            -out example.crt \
+            -keyout example.key \
+            -subj "/C=na/ST=na/L=na/O=na/OU=na/CN=na"
+
+kubectl delete secret example-secret || true
+kubectl create secret tls example-secret --cert=example.crt --key=example.key
+kubectl apply -f ./https-nginx.yaml
+