Merge remote-tracking branch 'upstream/master'

.github/CODEOWNERS

@@ -381,8 +381,9 @@ x-pack/plugins/telemetry_collection_xpack/schema/xpack_plugins.json @elastic/kib
 **/*.scss  @elastic/kibana-design
 #CC# /packages/kbn-ui-framework/ @elastic/kibana-design
 
-# Core design
+# Core UI design
 /src/plugins/dashboard/**/*.scss @elastic/kibana-core-ui-designers
+/src/plugins/embeddable/**/*.scss @elastic/kibana-core-ui-designers
 /x-pack/plugins/canvas/**/*.scss @elastic/kibana-core-ui-designers
 /x-pack/plugins/spaces/**/*.scss @elastic/kibana-core-ui-designers
 /x-pack/plugins/security/**/*.scss @elastic/kibana-core-ui-designers

.telemetryrc.json

@@ -7,5 +7,10 @@
       "src/plugins/testbed/",
       "src/plugins/kibana_utils/"
     ]
+  },
+  {
+    "output": "src/plugins/telemetry/schema/legacy_plugins.json",
+    "root": "src/legacy/server/",
+    "exclude": []
   }
 ]

docs/development/plugins/data/public/kibana-plugin-plugins-data-public.painlesserror._constructor_.md

@@ -9,13 +9,13 @@ Constructs a new instance of the `PainlessError` class
 <b>Signature:</b>
 
 ```typescript
-constructor(err: EsError, request: IKibanaSearchRequest);
+constructor(err: IEsError, request: IKibanaSearchRequest);
 ```
 
 ## Parameters
 
 |  Parameter | Type | Description |
 |  --- | --- | --- |
-|  err | <code>EsError</code> |  |
+|  err | <code>IEsError</code> |  |
 |  request | <code>IKibanaSearchRequest</code> |  |
 

docs/development/plugins/data/public/kibana-plugin-plugins-data-public.painlesserror.md

@@ -7,7 +7,7 @@
 <b>Signature:</b>
 
 ```typescript
-export declare class PainlessError extends KbnError 
+export declare class PainlessError extends EsError 
 ```
 
 ## Constructors

docs/development/plugins/data/server/kibana-plugin-plugins-data-server.indexpatternsfetcher._constructor_.md

@@ -9,12 +9,13 @@ Constructs a new instance of the `IndexPatternsFetcher` class
 <b>Signature:</b>
 
 ```typescript
-constructor(callDataCluster: LegacyAPICaller);
+constructor(elasticsearchClient: ElasticsearchClient, allowNoIndices?: boolean);
 ```
 
 ## Parameters
 
 |  Parameter | Type | Description |
 |  --- | --- | --- |
-|  callDataCluster | <code>LegacyAPICaller</code> |  |
+|  elasticsearchClient | <code>ElasticsearchClient</code> |  |
+|  allowNoIndices | <code>boolean</code> |  |
 

docs/development/plugins/data/server/kibana-plugin-plugins-data-server.indexpatternsfetcher.getfieldsforwildcard.md

@@ -13,7 +13,7 @@ getFieldsForWildcard(options: {
         pattern: string | string[];
         metaFields?: string[];
         fieldCapsOptions?: {
-            allowNoIndices: boolean;
+            allow_no_indices: boolean;
         };
     }): Promise<FieldDescriptor[]>;
 ```
@@ -22,7 +22,7 @@ getFieldsForWildcard(options: {
 
 |  Parameter | Type | Description |
 |  --- | --- | --- |
-|  options | <code>{</code><br/><code>        pattern: string &#124; string[];</code><br/><code>        metaFields?: string[];</code><br/><code>        fieldCapsOptions?: {</code><br/><code>            allowNoIndices: boolean;</code><br/><code>        };</code><br/><code>    }</code> |  |
+|  options | <code>{</code><br/><code>        pattern: string &#124; string[];</code><br/><code>        metaFields?: string[];</code><br/><code>        fieldCapsOptions?: {</code><br/><code>            allow_no_indices: boolean;</code><br/><code>        };</code><br/><code>    }</code> |  |
 
 <b>Returns:</b>
 

docs/development/plugins/data/server/kibana-plugin-plugins-data-server.indexpatternsfetcher.md

@@ -14,7 +14,7 @@ export declare class IndexPatternsFetcher
 
 |  Constructor | Modifiers | Description |
 |  --- | --- | --- |
-|  [(constructor)(callDataCluster)](./kibana-plugin-plugins-data-server.indexpatternsfetcher._constructor_.md) |  | Constructs a new instance of the <code>IndexPatternsFetcher</code> class |
+|  [(constructor)(elasticsearchClient, allowNoIndices)](./kibana-plugin-plugins-data-server.indexpatternsfetcher._constructor_.md) |  | Constructs a new instance of the <code>IndexPatternsFetcher</code> class |
 
 ## Methods
 

docs/development/plugins/expressions/public/kibana-plugin-plugins-expressions-public.execution._constructor_.md

@@ -9,12 +9,12 @@ Constructs a new instance of the `Execution` class
 <b>Signature:</b>
 
 ```typescript
-constructor(params: ExecutionParams<ExtraContext>);
+constructor(execution: ExecutionParams);
 ```
 
 ## Parameters
 
 |  Parameter | Type | Description |
 |  --- | --- | --- |
-|  params | <code>ExecutionParams&lt;ExtraContext&gt;</code> |  |
+|  execution | <code>ExecutionParams</code> |  |
 

docs/development/plugins/expressions/public/kibana-plugin-plugins-expressions-public.execution.context.md

@@ -9,5 +9,5 @@ Execution context - object that allows to do side-effects. Context is passed to
 <b>Signature:</b>
 
 ```typescript
-readonly context: ExecutionContext<Input, InspectorAdapters> & ExtraContext;
+readonly context: ExecutionContext<InspectorAdapters>;
 ```

docs/development/plugins/expressions/public/kibana-plugin-plugins-expressions-public.execution.contract.md

@@ -9,5 +9,5 @@ Contract is a public representation of `Execution` instances. Contract we can re
 <b>Signature:</b>
 
 ```typescript
-readonly contract: ExecutionContract<ExtraContext, Input, Output, InspectorAdapters>;
+readonly contract: ExecutionContract<Input, Output, InspectorAdapters>;
 ```

docs/development/plugins/expressions/public/kibana-plugin-plugins-expressions-public.execution.params.md → docs/development/plugins/expressions/public/kibana-plugin-plugins-expressions-public.execution.execution.md

@@ -1,11 +1,11 @@
 <!-- Do not edit this file. It is automatically generated by API Documenter. -->
 
-[Home](./index.md) &gt; [kibana-plugin-plugins-expressions-public](./kibana-plugin-plugins-expressions-public.md) &gt; [Execution](./kibana-plugin-plugins-expressions-public.execution.md) &gt; [params](./kibana-plugin-plugins-expressions-public.execution.params.md)
+[Home](./index.md) &gt; [kibana-plugin-plugins-expressions-public](./kibana-plugin-plugins-expressions-public.md) &gt; [Execution](./kibana-plugin-plugins-expressions-public.execution.md) &gt; [execution](./kibana-plugin-plugins-expressions-public.execution.execution.md)
 
-## Execution.params property
+## Execution.execution property
 
 <b>Signature:</b>
 
 ```typescript
-readonly params: ExecutionParams<ExtraContext>;
+readonly execution: ExecutionParams;
 ```

docs/development/plugins/expressions/public/kibana-plugin-plugins-expressions-public.execution.interpret.md

@@ -7,7 +7,7 @@
 <b>Signature:</b>
 
 ```typescript
-interpret<T>(ast: ExpressionAstNode, input: T, options?: ExpressionExecOptions): Promise<unknown>;
+interpret<T>(ast: ExpressionAstNode, input: T): Promise<unknown>;
 ```
 
 ## Parameters
@@ -16,7 +16,6 @@ interpret<T>(ast: ExpressionAstNode, input: T, options?: ExpressionExecOptions):
 |  --- | --- | --- |
 |  ast | <code>ExpressionAstNode</code> |  |
 |  input | <code>T</code> |  |
-|  options | <code>ExpressionExecOptions</code> |  |
 
 <b>Returns:</b>
 

docs/development/plugins/expressions/public/kibana-plugin-plugins-expressions-public.execution.md

@@ -7,25 +7,25 @@
 <b>Signature:</b>
 
 ```typescript
-export declare class Execution<ExtraContext extends Record<string, unknown> = Record<string, unknown>, Input = unknown, Output = unknown, InspectorAdapters extends Adapters = ExtraContext['inspectorAdapters'] extends object ? ExtraContext['inspectorAdapters'] : DefaultInspectorAdapters> 
+export declare class Execution<Input = unknown, Output = unknown, InspectorAdapters extends Adapters = ExpressionExecutionParams['inspectorAdapters'] extends object ? ExpressionExecutionParams['inspectorAdapters'] : DefaultInspectorAdapters> 
 ```
 
 ## Constructors
 
 |  Constructor | Modifiers | Description |
 |  --- | --- | --- |
-|  [(constructor)(params)](./kibana-plugin-plugins-expressions-public.execution._constructor_.md) |  | Constructs a new instance of the <code>Execution</code> class |
+|  [(constructor)(execution)](./kibana-plugin-plugins-expressions-public.execution._constructor_.md) |  | Constructs a new instance of the <code>Execution</code> class |
 
 ## Properties
 
 |  Property | Modifiers | Type | Description |
 |  --- | --- | --- | --- |
-|  [context](./kibana-plugin-plugins-expressions-public.execution.context.md) |  | <code>ExecutionContext&lt;Input, InspectorAdapters&gt; &amp; ExtraContext</code> | Execution context - object that allows to do side-effects. Context is passed to every function. |
-|  [contract](./kibana-plugin-plugins-expressions-public.execution.contract.md) |  | <code>ExecutionContract&lt;ExtraContext, Input, Output, InspectorAdapters&gt;</code> | Contract is a public representation of <code>Execution</code> instances. Contract we can return to other plugins for their consumption. |
+|  [context](./kibana-plugin-plugins-expressions-public.execution.context.md) |  | <code>ExecutionContext&lt;InspectorAdapters&gt;</code> | Execution context - object that allows to do side-effects. Context is passed to every function. |
+|  [contract](./kibana-plugin-plugins-expressions-public.execution.contract.md) |  | <code>ExecutionContract&lt;Input, Output, InspectorAdapters&gt;</code> | Contract is a public representation of <code>Execution</code> instances. Contract we can return to other plugins for their consumption. |
+|  [execution](./kibana-plugin-plugins-expressions-public.execution.execution.md) |  | <code>ExecutionParams</code> |  |
 |  [expression](./kibana-plugin-plugins-expressions-public.execution.expression.md) |  | <code>string</code> |  |
 |  [input](./kibana-plugin-plugins-expressions-public.execution.input.md) |  | <code>Input</code> | Initial input of the execution.<!-- -->N.B. It is initialized to <code>null</code> rather than <code>undefined</code> for legacy reasons, because in legacy interpreter it was set to <code>null</code> by default. |
 |  [inspectorAdapters](./kibana-plugin-plugins-expressions-public.execution.inspectoradapters.md) |  | <code>InspectorAdapters</code> |  |
-|  [params](./kibana-plugin-plugins-expressions-public.execution.params.md) |  | <code>ExecutionParams&lt;ExtraContext&gt;</code> |  |
 |  [result](./kibana-plugin-plugins-expressions-public.execution.result.md) |  | <code>Promise&lt;Output &#124; ExpressionValueError&gt;</code> |  |
 |  [state](./kibana-plugin-plugins-expressions-public.execution.state.md) |  | <code>ExecutionContainer&lt;Output &#124; ExpressionValueError&gt;</code> | Dynamic state of the execution. |
 
@@ -35,7 +35,7 @@ export declare class Execution<ExtraContext extends Record<string, unknown> = Re
 |  --- | --- | --- |
 |  [cancel()](./kibana-plugin-plugins-expressions-public.execution.cancel.md) |  | Stop execution of expression. |
 |  [cast(value, toTypeNames)](./kibana-plugin-plugins-expressions-public.execution.cast.md) |  |  |
-|  [interpret(ast, input, options)](./kibana-plugin-plugins-expressions-public.execution.interpret.md) |  |  |
+|  [interpret(ast, input)](./kibana-plugin-plugins-expressions-public.execution.interpret.md) |  |  |
 |  [invokeChain(chainArr, input)](./kibana-plugin-plugins-expressions-public.execution.invokechain.md) |  |  |
 |  [invokeFunction(fn, input, args)](./kibana-plugin-plugins-expressions-public.execution.invokefunction.md) |  |  |
 |  [resolveArgs(fnDef, input, argAsts)](./kibana-plugin-plugins-expressions-public.execution.resolveargs.md) |  |  |

docs/development/plugins/expressions/public/kibana-plugin-plugins-expressions-public.executioncontext.getinitialinput.md → docs/development/plugins/expressions/public/kibana-plugin-plugins-expressions-public.executioncontext.getsearchcontext.md

@@ -1,13 +1,13 @@
 <!-- Do not edit this file. It is automatically generated by API Documenter. -->
 
-[Home](./index.md) &gt; [kibana-plugin-plugins-expressions-public](./kibana-plugin-plugins-expressions-public.md) &gt; [ExecutionContext](./kibana-plugin-plugins-expressions-public.executioncontext.md) &gt; [getInitialInput](./kibana-plugin-plugins-expressions-public.executioncontext.getinitialinput.md)
+[Home](./index.md) &gt; [kibana-plugin-plugins-expressions-public](./kibana-plugin-plugins-expressions-public.md) &gt; [ExecutionContext](./kibana-plugin-plugins-expressions-public.executioncontext.md) &gt; [getSearchContext](./kibana-plugin-plugins-expressions-public.executioncontext.getsearchcontext.md)
 
-## ExecutionContext.getInitialInput property
+## ExecutionContext.getSearchContext property
 
-Get initial input with which execution started.
+Get search context of the expression.
 
 <b>Signature:</b>
 
 ```typescript
-getInitialInput: () => Input;
+getSearchContext: () => ExecutionContextSearch;
 ```

docs/development/plugins/expressions/public/kibana-plugin-plugins-expressions-public.executioncontext.search.md → docs/development/plugins/expressions/public/kibana-plugin-plugins-expressions-public.executioncontext.getsearchsessionid.md

@@ -1,13 +1,13 @@
 <!-- Do not edit this file. It is automatically generated by API Documenter. -->
 
-[Home](./index.md) &gt; [kibana-plugin-plugins-expressions-public](./kibana-plugin-plugins-expressions-public.md) &gt; [ExecutionContext](./kibana-plugin-plugins-expressions-public.executioncontext.md) &gt; [search](./kibana-plugin-plugins-expressions-public.executioncontext.search.md)
+[Home](./index.md) &gt; [kibana-plugin-plugins-expressions-public](./kibana-plugin-plugins-expressions-public.md) &gt; [ExecutionContext](./kibana-plugin-plugins-expressions-public.executioncontext.md) &gt; [getSearchSessionId](./kibana-plugin-plugins-expressions-public.executioncontext.getsearchsessionid.md)
 
-## ExecutionContext.search property
+## ExecutionContext.getSearchSessionId property
 
 Search context in which expression should operate.
 
 <b>Signature:</b>
 
 ```typescript
-search?: ExecutionContextSearch;
+getSearchSessionId: () => string | undefined;
 ```

docs/development/plugins/expressions/public/kibana-plugin-plugins-expressions-public.executioncontext.md

@@ -9,18 +9,18 @@
 <b>Signature:</b>
 
 ```typescript
-export interface ExecutionContext<Input = unknown, InspectorAdapters extends Adapters = Adapters> 
+export interface ExecutionContext<InspectorAdapters extends Adapters = Adapters> 
 ```
 
 ## Properties
 
 |  Property | Type | Description |
 |  --- | --- | --- |
 |  [abortSignal](./kibana-plugin-plugins-expressions-public.executioncontext.abortsignal.md) | <code>AbortSignal</code> | Adds ability to abort current execution. |
-|  [getInitialInput](./kibana-plugin-plugins-expressions-public.executioncontext.getinitialinput.md) | <code>() =&gt; Input</code> | Get initial input with which execution started. |
 |  [getSavedObject](./kibana-plugin-plugins-expressions-public.executioncontext.getsavedobject.md) | <code>&lt;T extends SavedObjectAttributes = SavedObjectAttributes&gt;(type: string, id: string) =&gt; Promise&lt;SavedObject&lt;T&gt;&gt;</code> | Allows to fetch saved objects from ElasticSearch. In browser <code>getSavedObject</code> function is provided automatically by the Expressions plugin. On the server the caller of the expression has to provide this context function. The reason is because on the browser we always know the user who tries to fetch a saved object, thus saved object client is scoped automatically to that user. However, on the server we can scope that saved object client to any user, or even not scope it at all and execute it as an "internal" user. |
+|  [getSearchContext](./kibana-plugin-plugins-expressions-public.executioncontext.getsearchcontext.md) | <code>() =&gt; ExecutionContextSearch</code> | Get search context of the expression. |
+|  [getSearchSessionId](./kibana-plugin-plugins-expressions-public.executioncontext.getsearchsessionid.md) | <code>() =&gt; string &#124; undefined</code> | Search context in which expression should operate. |
 |  [inspectorAdapters](./kibana-plugin-plugins-expressions-public.executioncontext.inspectoradapters.md) | <code>InspectorAdapters</code> | Adapters for <code>inspector</code> plugin. |
-|  [search](./kibana-plugin-plugins-expressions-public.executioncontext.search.md) | <code>ExecutionContextSearch</code> | Search context in which expression should operate. |
 |  [types](./kibana-plugin-plugins-expressions-public.executioncontext.types.md) | <code>Record&lt;string, ExpressionType&gt;</code> | A map of available expression types. |
 |  [variables](./kibana-plugin-plugins-expressions-public.executioncontext.variables.md) | <code>Record&lt;string, unknown&gt;</code> | Context variables that can be consumed using <code>var</code> and <code>var_set</code> functions. |
 

docs/development/plugins/expressions/public/kibana-plugin-plugins-expressions-public.executioncontract._constructor_.md

@@ -9,12 +9,12 @@ Constructs a new instance of the `ExecutionContract` class
 <b>Signature:</b>
 
 ```typescript
-constructor(execution: Execution<ExtraContext, Input, Output, InspectorAdapters>);
+constructor(execution: Execution<Input, Output, InspectorAdapters>);
 ```
 
 ## Parameters
 
 |  Parameter | Type | Description |
 |  --- | --- | --- |
-|  execution | <code>Execution&lt;ExtraContext, Input, Output, InspectorAdapters&gt;</code> |  |
+|  execution | <code>Execution&lt;Input, Output, InspectorAdapters&gt;</code> |  |
 

docs/development/plugins/expressions/public/kibana-plugin-plugins-expressions-public.executioncontract.execution.md

@@ -7,5 +7,5 @@
 <b>Signature:</b>
 
 ```typescript
-protected readonly execution: Execution<ExtraContext, Input, Output, InspectorAdapters>;
+protected readonly execution: Execution<Input, Output, InspectorAdapters>;
 ```

docs/development/plugins/expressions/public/kibana-plugin-plugins-expressions-public.executioncontract.md

@@ -9,7 +9,7 @@
 <b>Signature:</b>
 
 ```typescript
-export declare class ExecutionContract<ExtraContext extends Record<string, unknown> = Record<string, unknown>, Input = unknown, Output = unknown, InspectorAdapters = unknown> 
+export declare class ExecutionContract<Input = unknown, Output = unknown, InspectorAdapters = unknown> 
 ```
 
 ## Constructors
@@ -23,7 +23,7 @@ export declare class ExecutionContract<ExtraContext extends Record<string, unkno
 |  Property | Modifiers | Type | Description |
 |  --- | --- | --- | --- |
 |  [cancel](./kibana-plugin-plugins-expressions-public.executioncontract.cancel.md) |  | <code>() =&gt; void</code> | Cancel the execution of the expression. This will set abort signal (available in execution context) to aborted state, letting expression functions to stop their execution. |
-|  [execution](./kibana-plugin-plugins-expressions-public.executioncontract.execution.md) |  | <code>Execution&lt;ExtraContext, Input, Output, InspectorAdapters&gt;</code> |  |
+|  [execution](./kibana-plugin-plugins-expressions-public.executioncontract.execution.md) |  | <code>Execution&lt;Input, Output, InspectorAdapters&gt;</code> |  |
 |  [getAst](./kibana-plugin-plugins-expressions-public.executioncontract.getast.md) |  | <code>() =&gt; ExpressionAstExpression</code> | Get AST used to execute the expression. |
 |  [getData](./kibana-plugin-plugins-expressions-public.executioncontract.getdata.md) |  | <code>() =&gt; Promise&lt;Output &#124; ExpressionValueError&gt;</code> | Returns the final output of expression, if any error happens still wraps that error into <code>ExpressionValueError</code> type and returns that. This function never throws. |
 |  [getExpression](./kibana-plugin-plugins-expressions-public.executioncontract.getexpression.md) |  | <code>() =&gt; string</code> | Get string representation of the expression. Returns the original string if execution was started from a string. If execution was started from an AST this method returns a string generated from AST. |

docs/development/plugins/expressions/public/kibana-plugin-plugins-expressions-public.executionparams.md

@@ -7,16 +7,15 @@
 <b>Signature:</b>
 
 ```typescript
-export interface ExecutionParams<ExtraContext extends Record<string, unknown> = Record<string, unknown>> 
+export interface ExecutionParams 
 ```
 
 ## Properties
 
 |  Property | Type | Description |
 |  --- | --- | --- |
 |  [ast](./kibana-plugin-plugins-expressions-public.executionparams.ast.md) | <code>ExpressionAstExpression</code> |  |
-|  [context](./kibana-plugin-plugins-expressions-public.executionparams.context.md) | <code>ExtraContext</code> |  |
-|  [debug](./kibana-plugin-plugins-expressions-public.executionparams.debug.md) | <code>boolean</code> | Whether to execute expression in \*debug mode\*. In \*debug mode\* inputs and outputs as well as all resolved arguments and time it took to execute each function are saved and are available for introspection. |
 |  [executor](./kibana-plugin-plugins-expressions-public.executionparams.executor.md) | <code>Executor&lt;any&gt;</code> |  |
 |  [expression](./kibana-plugin-plugins-expressions-public.executionparams.expression.md) | <code>string</code> |  |
+|  [params](./kibana-plugin-plugins-expressions-public.executionparams.params.md) | <code>ExpressionExecutionParams</code> |  |
 

docs/development/plugins/expressions/public/kibana-plugin-plugins-expressions-public.executionparams.context.md → docs/development/plugins/expressions/public/kibana-plugin-plugins-expressions-public.executionparams.params.md

@@ -1,11 +1,11 @@
 <!-- Do not edit this file. It is automatically generated by API Documenter. -->
 
-[Home](./index.md) &gt; [kibana-plugin-plugins-expressions-public](./kibana-plugin-plugins-expressions-public.md) &gt; [ExecutionParams](./kibana-plugin-plugins-expressions-public.executionparams.md) &gt; [context](./kibana-plugin-plugins-expressions-public.executionparams.context.md)
+[Home](./index.md) &gt; [kibana-plugin-plugins-expressions-public](./kibana-plugin-plugins-expressions-public.md) &gt; [ExecutionParams](./kibana-plugin-plugins-expressions-public.executionparams.md) &gt; [params](./kibana-plugin-plugins-expressions-public.executionparams.params.md)
 
-## ExecutionParams.context property
+## ExecutionParams.params property
 
 <b>Signature:</b>
 
 ```typescript
-context?: ExtraContext;
+params: ExpressionExecutionParams;
 ```