Update service.md (#7810)

* Update service.md

`securityGroupName` is the required value when creating LoadBalancer type service in Azure.
I got the following error without `securityGroupName` value.
> Observed a panic: "invalid memory address or nil pointer dereference" (runtime error: invalid memory address or nil pointer dereference)

* Update service.md
pull/7862/head^2
tanaka_733 2018-03-26 10:01:01 +09:00 committed by k8s-ci-robot
parent 7c46a71c4f
commit 770440d20f
1 changed files with 2 additions and 1 deletions

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@ -453,7 +453,8 @@ cloud provider does not support the feature, the field will be ignored.
**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`.
group of the cluster. Specify the assigned IP address as loadBalancerIP. Verify you have
securityGroupName in the cloud provider configuration file.
#### Internal load balancer
In a mixed environment it is sometimes necessary to route traffic from services inside the same VPC.