I’ve been trying out the new kubernetes product by DO and so far it’s going great. While I can create LoadBalancer services, I don’t seem to be able to create an ingress. My config:
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
name: loadbalancer-https
spec:
tls:
- hosts:
- demo1.example.com
secretName: ssl-example-com
rules:
- host: demo1.example.com
http:
paths:
- path: /admin
backend:
serviceName: admin
servicePort: 3000
- path: /user
backend:
serviceName: user
servicePort: 3001
- path: /
backend:
serviceName: root
servicePort: 80
The ssl secret is already deployed to the cluster (and the actual hostname has been replaced with ‘example’ here). I’ve also tried without ssl and also tried with
kubernetes.io/ingress.class: "nginx" meta tag. Neither seemed to work. Am I missing something?
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Your cluster requires an Ingress Controller to route traffic from a Load-Balancer to a Service.
The flow of traffic is like this:
(internet) -> LoadBalancer -> [ Ingress Controller -> Service]
You can deploy an ingress controller like nginx by following this: https://kubernetes.github.io/ingress-nginx/deploy/
The generic steps worked for me:
kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/mandatory.yaml
kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/provider/cloud-generic.yaml
The verification steps from the doc checked out, and I can see the load balancer the process created in the do dashboard.
You can probably do the same with a single step via the Helm installation (also documented on the nginx-ingress/deploy page). That’s how we deploy it at work (on an ACS cluster in Azure).
You might need to install an ingress server like nginx-ingress: https://kubernetes.github.io/ingress-nginx/deploy/
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