query service: handle request-interceptor better

pkg/registry/apis/query/query.go

@@ -19,6 +19,7 @@ import (
 	"github.com/grafana/grafana/pkg/expr"
 	"github.com/grafana/grafana/pkg/services/datasources"
 	"github.com/grafana/grafana/pkg/services/dsquerierclient"
+	"github.com/grafana/grafana/pkg/services/validations"
 	"github.com/grafana/grafana/pkg/setting"
 	"go.opentelemetry.io/otel/attribute"
 	"go.opentelemetry.io/otel/codes"
@@ -340,8 +341,8 @@ func prepareQuery(
 	}, nil
 }
 
-func handlePreparedQuery(ctx context.Context, pq *preparedQuery, concurrentQueryLimit int) (*backend.QueryDataResponse, error) {
-	resp, err := service.QueryData(ctx, pq.logger, pq.cache, pq.exprSvc, pq.mReq, pq.builder, pq.headers, concurrentQueryLimit)
+func handlePreparedQuery(ctx context.Context, pq *preparedQuery, concurrentQueryLimit int, validator validations.DataSourceRequestValidator) (*backend.QueryDataResponse, error) {
+	resp, err := service.QueryData(ctx, pq.logger, pq.cache, pq.exprSvc, pq.mReq, pq.builder, pq.headers, concurrentQueryLimit, validator)
 	pq.reportMetrics()
 	return resp, err
 }
@@ -359,7 +360,7 @@ func handleQuery(
 		responder.Error(err)
 		return nil, err
 	}
-	return handlePreparedQuery(ctx, pq, b.concurrentQueryLimit)
+	return handlePreparedQuery(ctx, pq, b.concurrentQueryLimit, b.dataSourceRequestValidator)
 }
 
 type responderWrapper struct {

pkg/registry/apis/query/register.go

@@ -32,6 +32,7 @@ import (
 	"github.com/grafana/grafana/pkg/services/featuremgmt"
 	"github.com/grafana/grafana/pkg/services/pluginsintegration/plugincontext"
 	"github.com/grafana/grafana/pkg/services/pluginsintegration/pluginstore"
+	"github.com/grafana/grafana/pkg/services/validations"
 	"github.com/grafana/grafana/pkg/setting"
 )
 
@@ -44,14 +45,15 @@ type QueryAPIBuilder struct {
 
 	authorizer authorizer.Authorizer
 
-	tracer                 tracing.Tracer
-	metrics                *metrics.ExprMetrics
-	instanceProvider       clientapi.InstanceProvider
-	registry               query.DataSourceApiServerRegistry
-	converter              *expr.ResultConverter
-	queryTypes             *query.QueryTypeDefinitionList
-	legacyDatasourceLookup service.LegacyDataSourceLookup
-	connections            DataSourceConnectionProvider
+	tracer                     tracing.Tracer
+	metrics                    *metrics.ExprMetrics
+	instanceProvider           clientapi.InstanceProvider
+	registry                   query.DataSourceApiServerRegistry
+	converter                  *expr.ResultConverter
+	queryTypes                 *query.QueryTypeDefinitionList
+	legacyDatasourceLookup     service.LegacyDataSourceLookup
+	connections                DataSourceConnectionProvider
+	dataSourceRequestValidator validations.DataSourceRequestValidator
 }
 
 func NewQueryAPIBuilder(
@@ -64,6 +66,7 @@ func NewQueryAPIBuilder(
 	legacyDatasourceLookup service.LegacyDataSourceLookup,
 	connections DataSourceConnectionProvider,
 	concurrentQueryLimit int,
+	dataSourceRequestValidator validations.DataSourceRequestValidator,
 ) (*QueryAPIBuilder, error) {
 	// Include well typed query definitions
 	var queryTypes *query.QueryTypeDefinitionList
@@ -96,7 +99,8 @@ func NewQueryAPIBuilder(
 			Features: features,
 			Tracer:   tracer,
 		},
-		legacyDatasourceLookup: legacyDatasourceLookup,
+		legacyDatasourceLookup:     legacyDatasourceLookup,
+		dataSourceRequestValidator: dataSourceRequestValidator,
 	}, nil
 }
 
@@ -113,6 +117,7 @@ func RegisterAPIService(
 	tracer tracing.Tracer,
 	legacyDatasourceLookup service.LegacyDataSourceLookup,
 	exprService *expr.Service,
+	dataSourceRequestValidator validations.DataSourceRequestValidator,
 ) (*QueryAPIBuilder, error) {
 	if !featuremgmt.AnyEnabled(features,
 		featuremgmt.FlagQueryService,
@@ -145,6 +150,7 @@ func RegisterAPIService(
 		legacyDatasourceLookup,
 		&connectionsProvider{dsService: dataSourcesService, registry: reg},
 		cfg.SectionWithEnvOverrides("query").Key("concurrent_query_limit").MustInt(runtime.NumCPU()),
+		dataSourceRequestValidator,
 	)
 	apiregistration.RegisterAPI(builder)
 	return builder, err

pkg/server/wire_gen.go

@@ -888,7 +888,7 @@ func Initialize(ctx context.Context, cfg *setting.Cfg, opts Options, apiOpts api
 		return nil, err
 	}
 	legacyDataSourceLookup := service9.ProvideLegacyDataSourceLookup(service15)
-	queryAPIBuilder, err := query2.RegisterAPIService(cfg, featureToggles, apiserverService, service15, pluginstoreService, accessControl, middlewareHandler, plugincontextProvider, registerer, tracingService, legacyDataSourceLookup, exprService)
+	queryAPIBuilder, err := query2.RegisterAPIService(cfg, featureToggles, apiserverService, service15, pluginstoreService, accessControl, middlewareHandler, plugincontextProvider, registerer, tracingService, legacyDataSourceLookup, exprService, ossDataSourceRequestValidator)
 	if err != nil {
 		return nil, err
 	}
@@ -1556,7 +1556,7 @@ func InitializeForTest(ctx context.Context, t sqlutil.ITestDB, testingT interfac
 		return nil, err
 	}
 	legacyDataSourceLookup := service9.ProvideLegacyDataSourceLookup(service15)
-	queryAPIBuilder, err := query2.RegisterAPIService(cfg, featureToggles, apiserverService, service15, pluginstoreService, accessControl, middlewareHandler, plugincontextProvider, registerer, tracingService, legacyDataSourceLookup, exprService)
+	queryAPIBuilder, err := query2.RegisterAPIService(cfg, featureToggles, apiserverService, service15, pluginstoreService, accessControl, middlewareHandler, plugincontextProvider, registerer, tracingService, legacyDataSourceLookup, exprService, ossDataSourceRequestValidator)
 	if err != nil {
 		return nil, err
 	}

pkg/services/query/query.go

@@ -226,12 +226,12 @@ func buildErrorResponses(err error, queries []*simplejson.Json) splitResponse {
 	return splitResponse{er, http.Header{}}
 }
 
-func QueryData(ctx context.Context, log log.Logger, dscache datasources.CacheService, exprService *expr.Service, reqDTO dtos.MetricRequest, qsDatasourceClientBuilder dsquerierclient.QSDatasourceClientBuilder, headers map[string]string, concurrentQueryLimit int) (*backend.QueryDataResponse, error) {
+func QueryData(ctx context.Context, log log.Logger, dscache datasources.CacheService, exprService *expr.Service, reqDTO dtos.MetricRequest, qsDatasourceClientBuilder dsquerierclient.QSDatasourceClientBuilder, headers map[string]string, concurrentQueryLimit int, validator validations.DataSourceRequestValidator) (*backend.QueryDataResponse, error) {
 	s := &ServiceImpl{
 		log:                        log,
 		dataSourceCache:            dscache,
 		expressionService:          exprService,
-		dataSourceRequestValidator: validations.ProvideValidator(),
+		dataSourceRequestValidator: validator,
 		qsDatasourceClientBuilder:  qsDatasourceClientBuilder,
 		headers:                    headers,
 		concurrentQueryLimit:       concurrentQueryLimit,