[Usage collection] Collect non-default kibana configs

.telemetryrc.json

@@ -2,6 +2,8 @@
   {
     "output": "src/plugins/telemetry/schema/oss_plugins.json",
     "root": "src/plugins/",
-    "exclude": []
+    "exclude": [
+      "src/plugins/kibana_usage_collection/server/collectors/config_usage/register_config_usage_collector.ts"
+    ]
   }
 ]

docs/development/core/server/kibana-plugin-core-server.makeusagefromschema.md

@@ -0,0 +1,15 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-core-server](./kibana-plugin-core-server.md) &gt; [MakeUsageFromSchema](./kibana-plugin-core-server.makeusagefromschema.md)
+
+## MakeUsageFromSchema type
+
+List of configuration values that will be exposed to usage collection. If parent node or actual config path is set to `true` then the actual value of these configs will be reoprted. If parent node or actual config path is set to `false` then the config will be reported as \[redacted\].
+
+<b>Signature:</b>
+
+```typescript
+export declare type MakeUsageFromSchema<T> = {
+    [Key in keyof T]?: T[Key] extends Maybe<object[]> ? false : T[Key] extends Maybe<any[]> ? boolean : T[Key] extends Maybe<object> ? MakeUsageFromSchema<T[Key]> | boolean : boolean;
+};
+```

docs/development/core/server/kibana-plugin-core-server.md

@@ -272,6 +272,7 @@ The plugin integrates with the core system via lifecycle events: `setup`<!-- -->
 |  [LegacyElasticsearchClientConfig](./kibana-plugin-core-server.legacyelasticsearchclientconfig.md) |  |
 |  [LifecycleResponseFactory](./kibana-plugin-core-server.lifecycleresponsefactory.md) | Creates an object containing redirection or error response with error details, HTTP headers, and other data transmitted to the client. |
 |  [LoggerConfigType](./kibana-plugin-core-server.loggerconfigtype.md) |  |
+|  [MakeUsageFromSchema](./kibana-plugin-core-server.makeusagefromschema.md) | List of configuration values that will be exposed to usage collection. If parent node or actual config path is set to <code>true</code> then the actual value of these configs will be reoprted. If parent node or actual config path is set to <code>false</code> then the config will be reported as \[redacted\]. |
 |  [MetricsServiceStart](./kibana-plugin-core-server.metricsservicestart.md) | APIs to retrieves metrics gathered and exposed by the core platform. |
 |  [MIGRATION\_ASSISTANCE\_INDEX\_ACTION](./kibana-plugin-core-server.migration_assistance_index_action.md) |  |
 |  [MIGRATION\_DEPRECATION\_LEVEL](./kibana-plugin-core-server.migration_deprecation_level.md) |  |

docs/development/core/server/kibana-plugin-core-server.pluginconfigdescriptor.exposetousage.md

@@ -0,0 +1,17 @@
+<!-- Do not edit this file. It is automatically generated by API Documenter. -->
+
+[Home](./index.md) &gt; [kibana-plugin-core-server](./kibana-plugin-core-server.md) &gt; [PluginConfigDescriptor](./kibana-plugin-core-server.pluginconfigdescriptor.md) &gt; [exposeToUsage](./kibana-plugin-core-server.pluginconfigdescriptor.exposetousage.md)
+
+## PluginConfigDescriptor.exposeToUsage property
+
+Expose non-default configs to usage collection to be sent via telemetry. set a config to `true` to report the actual changed config value. set a config to `false` to report the changed config value as \[redacted\].
+
+All changed configs except booleans and numbers will be reported as \[redacted\] unless otherwise specified.
+
+[MakeUsageFromSchema](./kibana-plugin-core-server.makeusagefromschema.md)
+
+<b>Signature:</b>
+
+```typescript
+exposeToUsage?: MakeUsageFromSchema<T>;
+```

docs/development/core/server/kibana-plugin-core-server.pluginconfigdescriptor.md

@@ -46,5 +46,6 @@ export const config: PluginConfigDescriptor<ConfigType> = {
 |  --- | --- | --- |
 |  [deprecations](./kibana-plugin-core-server.pluginconfigdescriptor.deprecations.md) | <code>ConfigDeprecationProvider</code> | Provider for the  to apply to the plugin configuration. |
 |  [exposeToBrowser](./kibana-plugin-core-server.pluginconfigdescriptor.exposetobrowser.md) | <code>{</code><br/><code>        [P in keyof T]?: boolean;</code><br/><code>    }</code> | List of configuration properties that will be available on the client-side plugin. |
+|  [exposeToUsage](./kibana-plugin-core-server.pluginconfigdescriptor.exposetousage.md) | <code>MakeUsageFromSchema&lt;T&gt;</code> | Expose non-default configs to usage collection to be sent via telemetry. set a config to <code>true</code> to report the actual changed config value. set a config to <code>false</code> to report the changed config value as \[redacted\].<!-- -->All changed configs except booleans and numbers will be reported as \[redacted\] unless otherwise specified.[MakeUsageFromSchema](./kibana-plugin-core-server.makeusagefromschema.md) |
 |  [schema](./kibana-plugin-core-server.pluginconfigdescriptor.schema.md) | <code>PluginConfigSchema&lt;T&gt;</code> | Schema to use to validate the plugin configuration.[PluginConfigSchema](./kibana-plugin-core-server.pluginconfigschema.md) |
 

src/core/server/core_usage_data/core_usage_data_service.mock.ts

@@ -139,6 +139,7 @@ const createStartContractMock = () => {
         },
       })
     ),
+    getConfigsUsageData: jest.fn(),
   };
 
   return startContract;