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Add websocket example

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Nick Sardo 2017-06-09 12:29:07 -07:00
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docs/faq/gce.md
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@ -26,6 +26,7 @@ Table of Contents
* [What GCE resources are shared between Ingresses?](#what-gce-resources-are-shared-between-ingresses)
* [How do I debug a controller spin loop?](#host-do-i-debug-a-controller-spinloop)
* [Creating an Internal Load Balancer without existing ingress](#creating-an-internal-load-balancer-without-existing-ingress)
* [Can I use websockets?](#can-i-use-websockets)
## How do I deploy an Ingress controller?
@ -380,3 +381,9 @@ kubectl get nodes
gcloud compute instance-groups unmanaged add-instances $GROUPNAME --zone {ZONE} --instances=A,B,C...
```
You can now follow the GCP Console wizard for creating an internal load balancer and point to the `k8s-ig--{UID}` instance group.
## Can I use websockets?
Yes!
The GCP HTTP(S) Load Balancer supports websockets. You do not need to change your http server or Kubernetes deployment. You will need to manually configure the created Backend Service's `timeout` setting. This value is the interpreted as the max connection duration. The default value of 30 seconds is probably too small for you. You can increase it to the supported maximum: 86400 (a day) through the GCP Console or the gcloud CLI.
View the [example](/controllers/gce/examples/websocket/).