Add the new metadata to all the feature gate files

Author: dipesh-rawat

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

@@ -6,6 +6,17 @@ content_type: feature_gate
 _build:
   list: never
   render: false
+
+stages:
+  - stage: alpha 
+    defaultValue: false
+    fromVersion: "1.6"
+    toVersion: "1.10"
+  - stage: deprecated
+    fromVersion: "1.11"
+    toVersion: "1.11"
+
+removed: true
 ---
 Provided an early form of plugin to enable Nvidia GPU support when using
 Docker Engine; no longer available. See

content/en/docs/reference/command-line-tools-reference/feature-gates/admission-webhook-match-conditions.md

@@ -4,6 +4,15 @@ content_type: feature_gate
 _build:
   list: never
   render: false
+
+stages:
+  - stage: alpha
+    defaultValue: false
+    fromVersion: "1.27"
+    toVersion: "1.27"
+  - stage: beta
+    defaultValue: true
+    fromVersion: "1.28"  
 ---
 Enable [match conditions](/docs/reference/access-authn-authz/extensible-admission-controllers/#matching-requests-matchconditions)
 on mutating & validating admission webhooks.

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

@@ -4,5 +4,21 @@ content_type: feature_gate
 _build:
   list: never
   render: false
+
+stages:
+  - stage: alpha 
+    defaultValue: false
+    fromVersion: "1.7"
+    toVersion: "1.7"
+  - stage: beta 
+    defaultValue: true
+    fromVersion: "1.8"
+    toVersion: "1.11"    
+  - stage: stable
+    defaultValue: true
+    fromVersion: "1.12"
+    toVersion: "1.27"    
+
+removed: true  
 ---
 Enable [advanced auditing](/docs/tasks/debug/debug-cluster/audit/#advanced-audit)

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

@@ -6,6 +6,17 @@ content_type: feature_gate
 _build:
   list: never
   render: false
+
+stages:
+  - stage: alpha 
+    defaultValue: false
+    fromVersion: "1.6"
+    toVersion: "1.7"
+  - stage: deprecated
+    fromVersion: "1.8"
+    toVersion: "1.8"
+
+removed: true
 ---
 Enable setting
 [Pod affinity or anti-affinity](/docs/concepts/scheduling-eviction/assign-pod-node/#affinity-and-anti-affinity).

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

@@ -4,6 +4,15 @@ content_type: feature_gate
 _build:
   list: never
   render: false
+
+stages:
+  - stage: alpha
+    defaultValue: false
+    fromVersion: "1.26"
+    toVersion: "1.26"
+  - stage: beta
+    defaultValue: true
+    fromVersion: "1.27"
 ---
 Enable a single HTTP endpoint `/discovery/<version>` which
 supports native HTTP caching with ETags containing all APIResources known to the API server.

content/en/docs/reference/command-line-tools-reference/feature-gates/allow-ext-traffic-local-endpoints.md

@@ -6,5 +6,17 @@ content_type: feature_gate
 _build:
   list: never
   render: false
+
+stages:
+  - stage: beta 
+    defaultValue: false
+    fromVersion: "1.4"
+    toVersion: "1.6"
+  - stage: stable
+    defaultValue: true
+    fromVersion: "1.7"
+    toVersion: "1.9"
+
+removed: true
 ---
 Enable a service to route external requests to node local endpoints.

content/en/docs/reference/command-line-tools-reference/feature-gates/allow-insecure-backend-proxy.md

@@ -6,6 +6,18 @@ content_type: feature_gate
 _build:
   list: never
   render: false
+
+stages:
+  - stage: beta 
+    defaultValue: true
+    fromVersion: "1.17"
+    toVersion: "1.20"
+  - stage: stable
+    defaultValue: true
+    fromVersion: "1.21"
+    toVersion: "1.25"
+
+removed: true
 ---
 Enable the users to skip TLS verification of
 kubelets on Pod log requests.

content/en/docs/reference/command-line-tools-reference/feature-gates/allow-service-lb-status-on-non-lb.md

@@ -4,5 +4,10 @@ content_type: feature_gate
 _build:
   list: never
   render: false
+
+stages:
+  - stage: deprecated
+    defaultValue: false
+    fromVersion: "1.29"    
 ---
 Enables `.status.ingress.loadBalancer` to be set on Services of types other than `LoadBalancer`.

content/en/docs/reference/command-line-tools-reference/feature-gates/any-volume-data-source.md

@@ -4,6 +4,15 @@ content_type: feature_gate
 _build:
   list: never
   render: false
+
+stages:
+  - stage: alpha
+    defaultValue: false
+    fromVersion: "1.18"
+    toVersion: "1.23"
+  - stage: beta
+    defaultValue: true
+    fromVersion: "1.24"
 ---
 Enable use of any custom resource as the `DataSource` of a
 {{< glossary_tooltip text="PVC" term_id="persistent-volume-claim" >}}.

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

@@ -4,6 +4,19 @@ content_type: feature_gate
 _build:
   list: never
   render: false
+
+stages:
+  - stage: alpha 
+    defaultValue: false
+    fromVersion: "1.8"
+    toVersion: "1.8"
+  - stage: beta
+    defaultValue: true
+    fromVersion: "1.9"  
+    toVersion: "1.28" 
+  - stage: stable
+    defaultValue: true
+    fromVersion: "1.29"    
 ---
 Enable the API clients to retrieve (`LIST` or `GET`)
 resources from API server in chunks.