Caching: Remove tsl memcached feature toggle (#113715)

* Remove tsl memcached feature toggle

* Remove feature flag from docs

docs/sources/setup-grafana/configure-grafana/enterprise-configuration/index.md

@@ -555,10 +555,6 @@ A space-separated list of memcached servers. Example: `memcached-server-1:11211
 
 The default is `"localhost:11211"`.
 
-{{< admonition type="note" >}}
-The following memcached configuration requires the `tlsMemcached` feature toggle.
-{{< /admonition >}}
-
 ### tls_enabled
 
 Enables TLS authentication for memcached. Defaults to `false`.

docs/sources/setup-grafana/configure-grafana/feature-toggles/index.md

@@ -52,7 +52,6 @@ Most [generally available](https://grafana.com/docs/release-life-cycle/#general-
 | `onPremToCloudMigrations`              | Enable the Grafana Migration Assistant, which helps you easily migrate various on-prem resources to your Grafana Cloud stack.                                 | Yes                |
 | `groupToNestedTableTransformation`     | Enables the group to nested table transformation                                                                                                              | Yes                |
 | `newPDFRendering`                      | New implementation for the dashboard-to-PDF rendering                                                                                                         | Yes                |
-| `tlsMemcached`                         | Use TLS-enabled memcached in the enterprise caching feature                                                                                                   | Yes                |
 | `cloudWatchNewLabelParsing`            | Updates CloudWatch label parsing to be more accurate                                                                                                          | Yes                |
 | `pluginProxyPreserveTrailingSlash`     | Preserve plugin proxy trailing slash.                                                                                                                         |                    |
 | `azureMonitorPrometheusExemplars`      | Allows configuration of Azure Monitor as a data source that can provide Prometheus exemplars                                                                  | Yes                |

packages/grafana-data/src/types/featureToggles.gen.ts

@@ -501,11 +501,6 @@ export interface FeatureToggles {
   */
   newPDFRendering?: boolean;
   /**
-  * Use TLS-enabled memcached in the enterprise caching feature
-  * @default true
-  */
-  tlsMemcached?: boolean;
-  /**
   * Enable grafana's embedded kube-aggregator
   */
   kubernetesAggregator?: boolean;

pkg/services/featuremgmt/registry.go

@@ -846,14 +846,6 @@ var (
 			Owner:       grafanaOperatorExperienceSquad,
 			Expression:  "true", // enabled by default,
 		},
-		{
-			Name:           "tlsMemcached",
-			Description:    "Use TLS-enabled memcached in the enterprise caching feature",
-			Stage:          FeatureStageGeneralAvailability,
-			Owner:          grafanaOperatorExperienceSquad,
-			Expression:     "true",
-			AllowSelfServe: false, // the non-tls implementation is slated for removal
-		},
 		{
 			Name:            "kubernetesAggregator",
 			Description:     "Enable grafana's embedded kube-aggregator",

pkg/services/featuremgmt/toggles_gen.csv

@@ -111,7 +111,6 @@ sqlExpressions,preview,@grafana/grafana-datasources-core-services,false,false,fa
 sqlExpressionsColumnAutoComplete,experimental,@grafana/datapro,false,false,true
 groupToNestedTableTransformation,GA,@grafana/datapro,false,false,true
 newPDFRendering,GA,@grafana/grafana-operator-experience-squad,false,false,false
-tlsMemcached,GA,@grafana/grafana-operator-experience-squad,false,false,false
 kubernetesAggregator,experimental,@grafana/grafana-app-platform-squad,false,true,false
 kubernetesAggregatorCapTokenAuth,experimental,@grafana/grafana-app-platform-squad,false,true,false
 groupByVariable,experimental,@grafana/dashboards-squad,false,false,false

pkg/services/featuremgmt/toggles_gen.go

@@ -455,10 +455,6 @@ const (
 	// New implementation for the dashboard-to-PDF rendering
 	FlagNewPDFRendering = "newPDFRendering"
 
-	// FlagTlsMemcached
-	// Use TLS-enabled memcached in the enterprise caching feature
-	FlagTlsMemcached = "tlsMemcached"
-
 	// FlagKubernetesAggregator
 	// Enable grafana's embedded kube-aggregator
 	FlagKubernetesAggregator = "kubernetesAggregator"

pkg/services/featuremgmt/toggles_gen.json

@@ -4047,7 +4047,8 @@
       "metadata": {
         "name": "tlsMemcached",
         "resourceVersion": "1753448760331",
-        "creationTimestamp": "2024-05-09T19:12:08Z"
+        "creationTimestamp": "2024-05-09T19:12:08Z",
+        "deletionTimestamp": "2025-11-11T13:50:51Z"
       },
       "spec": {
         "description": "Use TLS-enabled memcached in the enterprise caching feature",