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Update document for Azure LoadBalancer support. (#4082)

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* Add doc for azure internal load balancer support.

* Add note for user-specified 'loadBalancerIP' support on Azure.

* Fix comment.

* Fix comment
This commit is contained in:
Dong Liu
2017-07-28 04:39:53 +08:00
committed by Andrew Chen
parent 2e63445858
commit 2f50a22c94
1 changed files with 21 additions and 4 deletions
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docs/concepts/services-networking/service.md
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@@ -427,10 +427,18 @@ with the user-specified `loadBalancerIP`. If the `loadBalancerIP` field is not s
an ephemeral IP will be assigned to the loadBalancer. If the `loadBalancerIP` is specified, but the
cloud provider does not support the feature, the field will be ignored.
#### Internal load balancer on AWS
In a mixed environment it is sometimes necessary to route traffic from services inside the same VPC.
This can be achieved by adding the following annotation to the service:
Special notes for Azure: To use user-specified public type `loadBalancerIP`, a static type
public IP address resource needs to be created first, and it should be in the same resource
group of the cluster. Then you could specify the assigned IP address as `loadBalancerIP`.
#### Internal load balancer
In a mixed environment it is sometimes necessary to route traffic from services inside the same VPC.
In a split-horizon DNS environment you would need two services to be able to route both external and internal traffic to your endpoints.
This can be achieved by adding the following annotations to the service based on cloud provider.
For AWS:
```yaml
[...]
metadata:
@@ -439,7 +447,16 @@ metadata:
service.beta.kubernetes.io/aws-load-balancer-internal: 0.0.0.0/0
[...]
```
In a split-horizon DNS environment you would need two services to be able to route both external and internal traffic to your endpoints.
For Azure:
```yaml
[...]
metadata:
name: my-service
annotations:
service.beta.kubernetes.io/azure-load-balancer-internal: "true"
[...]
```
#### SSL support on AWS