I'm looking to redirect all traffic from

http://example.com -> https://example.com like how nearly all websites do.

I've looked at this link with no success: Kubernetes HTTPS Ingress in Google Container Engine

And have tried the following annotations in my ingress.yaml file.

nginx.ingress.kubernetes.io/configuration-snippet: |
  if ($http_x_forwarded_proto != 'https') {
    return 301 https://$host$request_uri;
  }
nginx.ingress.kubernetes.io/force-ssl-redirect: "true"
nginx.ingress.kubernetes.io/ssl-redirect: "true"
kubernetes.io/ingress.allow-http: "false"

All without any success. To be clear, I can access https://example.com and http://example.com without any errors, I need the http call to redirect to https.

Thanks

For what it's worth, I ended up using a reverse proxy in NGINX.

1. You need to create secrets and sync them into your containers
2. You need to create a configmap in nginx with your nginx config, as well as a default config that references this additional config file.

Here is my configuration:

worker_processes  1;

events {
    worker_connections  1024;
}


http {

default_type  application/octet-stream;

# Logging Configs
log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                  '$status $body_bytes_sent "$http_referer" '
                  '"$http_user_agent" "$http_x_forwarded_for"';

access_log  /var/log/nginx/access.log  main;

sendfile        on;
keepalive_timeout  65;

# Puntdoctor Proxy Config
include /path/to/config-file.conf;

# PubSub allows 10MB Files. lets allow 11 to give some space
client_max_body_size 11M;

}

Then, the config.conf

server {
listen 80;
server_name example.com;
return 301 https://$host$request_uri;
}

server {

listen 443;
server_name example.com;

ssl_certificate           /certs/tls.crt;
ssl_certificate_key       /certs/tls.key;

ssl on;
ssl_session_cache  builtin:1000  shared:SSL:10m;
ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
ssl_ciphers ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-RSA-RC4-SHA:AES128-GCM-SHA256:HIGH:!RC4:!MD5:!aNULL:!EDH:!CAMELLIA;
ssl_prefer_server_ciphers on;

location / {

  proxy_set_header        Host $host;
  proxy_set_header        X-Real-IP $remote_addr;
  proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
  proxy_set_header        X-Forwarded-Proto $scheme;
  proxy_set_header        X-Forwarded-Host $http_host;

  # Fix the “It appears that your reverse proxy set up is broken" error.
  proxy_pass          http://deployment-name:8080/;
  proxy_read_timeout  90;

  proxy_redirect      http://deployment-name:8080/ https://example.com/;
}
}

3. Create a deployment:

Here are the .yaml files

---
apiVersion: v1
kind: Service
metadata:
  name: puntdoctor-lb
spec:
   ports:
    - name: https
      port: 443
      targetPort: 443
     - name: http
      port: 80
      targetPort: 80
  selector:
    app: puntdoctor-nginx-deployment
  type: LoadBalancer
  loadBalancerIP: 35.195.214.7
---
apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: puntdoctor-nginx-deployment
spec:
   replicas: 2
  template:
    metadata:
      labels:
        app: puntdoctor-nginx-deployment
    spec:
       containers:
       - name: adcelerate-nginx-proxy
        image: nginx:1.13
         volumeMounts:
        - name: certs
          mountPath: /certs/
        - name: site-config
          mountPath: /etc/site-config/
        - name: default-config
          mountPath: /etc/nginx/
        ports:
        - containerPort: 80
          name: http
        - containerPort: 443
          name: https
      volumes:
      - name: certs
        secret:
          secretName: nginxsecret
      - name: site-config
        configMap:
          name: nginx-config
       - name: default-config
        configMap:
         name: default

Hope this helps someone solve this issue, thanks for the other 2 answers, they both gave me valuable insight.