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Merge pull request #28051 from XudongLiuHarold/promote-loadbalancerclass-to-beta 

KEP-1959 Update document for promoting loadbalancerclass to beta
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Kubernetes Prow Robot 2021-07-28 10:17:35 -07:00 committed by GitHub
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content/en/docs/concepts/services-networking/service.md
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@ -643,12 +643,12 @@ You must enable the `ServiceLBNodePortControl` feature gate to use this field.
#### Specifying class of load balancer implementation {#load-balancer-class} #### Specifying class of load balancer implementation {#load-balancer-class}
{{< feature-state for_k8s_version="v1.21" state="alpha" >}} {{< feature-state for_k8s_version="v1.22" state="beta" >}}
Starting in v1.21, you can optionally specify the class of a load balancer implementation for `spec.loadBalancerClass` enables you to use a load balancer implementation other than the cloud provider default. This feature is available from v1.21, you must enable the `ServiceLoadBalancerClass` feature gate to use this field in v1.21, and the feature gate is enabled by default from v1.22 onwards.
`LoadBalancer` type of Service by setting the field `spec.loadBalancerClass`.
By default, `spec.loadBalancerClass` is `nil` and a `LoadBalancer` type of Service uses By default, `spec.loadBalancerClass` is `nil` and a `LoadBalancer` type of Service uses
the cloud provider's default load balancer implementation. the cloud provider's default load balancer implementation if the cluster is configured with
a cloud provider using the `--cloud-provider` component flag.
If `spec.loadBalancerClass` is specified, it is assumed that a load balancer If `spec.loadBalancerClass` is specified, it is assumed that a load balancer
implementation that matches the specified class is watching for Services. implementation that matches the specified class is watching for Services.
Any default load balancer implementation (for example, the one provided by Any default load balancer implementation (for example, the one provided by
@ -658,7 +658,6 @@ Once set, it cannot be changed.
The value of `spec.loadBalancerClass` must be a label-style identifier, The value of `spec.loadBalancerClass` must be a label-style identifier,
with an optional prefix such as "`internal-vip`" or "`example.com/internal-vip`". with an optional prefix such as "`internal-vip`" or "`example.com/internal-vip`".
Unprefixed names are reserved for end-users. Unprefixed names are reserved for end-users.
You must enable the `ServiceLoadBalancerClass` feature gate to use this field.
#### Internal load balancer #### Internal load balancer