DataSourceAPI: Add adhoc filters to DataQueryRequest and make it not depend on global templateSrv (#75552)

* DataSourceAPI: Add adhoc filters to DataQueryRequest and some methods to make it not depend on global templateSrv

* Minor tweaks/fixes

* Renamed to filters

* Fix test

* Log deprecation warning

* I give up

packages/grafana-data/src/types/datasource.ts

@@ -333,7 +333,7 @@ abstract class DataSourceApi<
 
   getVersion?(optionalOptions?: any): Promise<string>;
 
-  interpolateVariablesInQueries?(queries: TQuery[], scopedVars: ScopedVars): TQuery[];
+  interpolateVariablesInQueries?(queries: TQuery[], scopedVars: ScopedVars, filters?: AdHocVariableFilter[]): TQuery[];
 
   /**
    * An annotation processor allows explicit control for how annotations are managed.
@@ -552,6 +552,9 @@ export interface DataQueryRequest<TQuery extends DataQuery = DataQuery> {
   panelId?: number;
   dashboardUID?: string;
 
+  /** Filters to dynamically apply to all queries */
+  filters?: AdHocVariableFilter[];
+
   // Request Timing
   startTime: number;
   endTime?: number;

packages/grafana-runtime/src/utils/DataSourceWithBackend.ts

@@ -16,6 +16,7 @@ import {
   makeClassES5Compatible,
   parseLiveChannelAddress,
   ScopedVars,
+  AdHocVariableFilter,
 } from '@grafana/data';
 
 import { config } from '../config';
@@ -263,8 +264,8 @@ class DataSourceWithBackend<
   /**
    * Apply template variables for explore
    */
-  interpolateVariablesInQueries(queries: TQuery[], scopedVars: ScopedVars | {}): TQuery[] {
-    return queries.map((q) => this.applyTemplateVariables(q, scopedVars) as TQuery);
+  interpolateVariablesInQueries(queries: TQuery[], scopedVars: ScopedVars, filters?: AdHocVariableFilter[]): TQuery[] {
+    return queries.map((q) => this.applyTemplateVariables(q, scopedVars, filters) as TQuery);
   }
 
   /**
@@ -278,7 +279,7 @@ class DataSourceWithBackend<
   filterQuery?(query: TQuery): boolean;
 
   /**
-   * Override to apply template variables.  The result is usually also `TQuery`, but sometimes this can
+   * Override to apply template variables and adhoc filters.  The result is usually also `TQuery`, but sometimes this can
    * be used to modify the query structure before sending to the backend.
    *
    * NOTE: if you do modify the structure or use template variables, alerting queries may not work
@@ -286,7 +287,7 @@ class DataSourceWithBackend<
    *
    * @virtual
    */
-  applyTemplateVariables(query: TQuery, scopedVars: ScopedVars): Record<string, any> {
+  applyTemplateVariables(query: TQuery, scopedVars: ScopedVars, filters?: AdHocVariableFilter[]): Record<string, any> {
     return query;
   }