Updating EndpointSlice documentation for beta release in 1.17 (#17411)

content/en/docs/concepts/services-networking/endpoint-slices.md

@@ -14,7 +14,7 @@ weight: 10
 
 {{% capture overview %}}
 
-{{< feature-state for_k8s_version="v1.16" state="alpha" >}}
+{{< feature-state for_k8s_version="v1.17" state="beta" >}}
 
 _Endpoint Slices_ provide a simple way to track network endpoints within a
 Kubernetes cluster. They offer a more scalable and extensible alternative to
@@ -26,7 +26,7 @@ Endpoints.
 
 ## Endpoint Slice resources {#endpointslice-resource}
 
-In Kubernetes, an Endpoint Slice contains references to a set of network
+In Kubernetes, an EndpointSlice contains references to a set of network
 endpoints. The EndpointSlice controller automatically creates Endpoint Slices
 for a Kubernetes Service when a selector is specified. These Endpoint Slices
 will include references to any Pods that match the Service selector. Endpoint
@@ -36,13 +36,13 @@ As an example, here's a sample EndpointSlice resource for the `example`
 Kubernetes Service.
 
 ```yaml
-apiVersion: discovery.k8s.io/v1alpha1
+apiVersion: discovery.k8s.io/v1beta1
 kind: EndpointSlice
 metadata:
   name: example-abc
   labels:
     kubernetes.io/service-name: example
-addressType: IP
+addressType: IPv4
 ports:
   - name: http
     protocol: TCP
@@ -50,7 +50,6 @@ ports:
 endpoints:
   - addresses:
     - "10.1.2.3"
-    - "2001:db8::1234:5678"
     conditions:
       ready: true
     hostname: pod-1
@@ -67,6 +66,14 @@ Endpoint Slices can act as the source of truth for kube-proxy when it comes to
 how to route internal traffic. When enabled, they should provide a performance
 improvement for services with large numbers of endpoints.
 
+## Address Types
+
+EndpointSlices support three address types:
+
+* IPv4
+* IPv6
+* FQDN (Fully Qualified Domain Name)
+
 ## Motivation
 
 The Endpoints API has provided a simple and straightforward way of

content/en/docs/concepts/services-networking/service.md

@@ -185,7 +185,7 @@ selectors and uses DNS names instead. For more information, see the
 [ExternalName](#externalname) section later in this document.
 
 ### Endpoint Slices
-{{< feature-state for_k8s_version="v1.16" state="alpha" >}}
+{{< feature-state for_k8s_version="v1.17" state="beta" >}}
 
 Endpoint Slices are an API resource that can provide a more scalable alternative
 to Endpoints. Although conceptually quite similar to Endpoints, Endpoint Slices

content/en/docs/reference/command-line-tools-reference/feature-gates.md

@@ -84,7 +84,8 @@ different Kubernetes components.
 | `DynamicAuditing` | `false` | Alpha | 1.13 | |
 | `DynamicKubeletConfig` | `false` | Alpha | 1.4 | 1.10 |
 | `DynamicKubeletConfig` | `true` | Beta | 1.11 | |
-| `EndpointSlice` | `false` | Alpha | 1.16 | |
+| `EndpointSlice` | `false` | Alpha | 1.16 | 1.16 |
+| `EndpointSlice` | `false` | Beta | 1.17 | |
 | `EphemeralContainers` | `false` | Alpha | 1.16 | |
 | `ExpandCSIVolumes` | `false` | Alpha | 1.14 | 1.15 |
 | `ExpandCSIVolumes` | `true` | Beta | 1.16 | |

content/en/docs/tasks/administer-cluster/enabling-endpointslices.md

@@ -27,7 +27,7 @@ resources instead of a single large Endpoints resource.
 
 ## Enabling Endpoint Slices
 
-{{< feature-state for_k8s_version="v1.16" state="alpha" >}}
+{{< feature-state for_k8s_version="v1.17" state="beta" >}}
 
 {{< note >}}
 Although Endpoint Slices may eventually replace Endpoints, many Kubernetes
@@ -36,19 +36,7 @@ seen as an addition to Endpoints in a cluster, not a replacement for them.
 {{< /note >}}
 
 As an alpha feature, Endpoint Slices are not enabled by default in Kubernetes.
-Enabling Endpoint Slices requires as many as 3 changes to Kubernetes cluster
-configuration.
-
-To enable the Discovery API group that includes Endpoint Slices, use the runtime
- config flag (`--runtime-config=discovery.k8s.io/v1alpha1=true`).
-
-The logic responsible for watching services, pods, and nodes and creating or
-updating associated Endpoint Slices lives within the EndpointSlice controller.
-This is disabled by default but can be enabled with the controllers flag on
-kube-controller-manager (`--controllers=endpointslice`).
-
-For Kubernetes components like kube-proxy to actually start using Endpoint
-Slices, the EndpointSlice feature gate will need to be enabled
+To enable them, the EndpointSlice feature gate will need to be enabled
 (`--feature-gates=EndpointSlice=true`).
 
 ## Using Endpoint Slices
@@ -57,4 +45,4 @@ With Endpoint Slices fully enabled in your cluster, you should see corresponding
 EndpointSlice resources for each Endpoints resource. In addition to supporting
 existing Endpoints functionality, Endpoint Slices should include new bits of
 information such as topology. They will allow for greater scalability and
-extensibility of network endpoints in your cluster.
+extensibility of network endpoints in your cluster.