Enable Lint Rule: use-any

.golangci.yml

@@ -166,9 +166,6 @@ linters-settings:
         - name: cyclomatic
           disabled: true
         # do a clean-up and enable
-        - name: use-any
-          disabled: true
-        # do a clean-up and enable
         - name: unused-parameter
           disabled: true
         # do a clean-up and enable

cmd/agent/app/processors/thrift_processor.go

@@ -67,7 +67,7 @@ func NewThriftProcessor(
 			"number of processors must be greater than 0, called with %d", numProcessors)
 	}
 	protocolPool := &sync.Pool{
-		New: func() interface{} {
+		New: func() any {
 			trans := &customtransport.TBufferedReadTransport{}
 			return factory.GetProtocol(trans)
 		},

cmd/agent/app/reporter/client_metrics.go

@@ -143,7 +143,7 @@ func (r *ClientMetricsReporter) expireClientMetricsLoop() {
 
 func (r *ClientMetricsReporter) expireClientMetrics(t time.Time) {
 	var size int64
-	r.lastReceivedClientStats.Range(func(k, v interface{}) bool {
+	r.lastReceivedClientStats.Range(func(k, v any) bool {
 		stats := v.(*lastReceivedClientStats)
 		stats.lock.Lock()
 		defer stats.lock.Unlock()

cmd/agent/app/reporter/grpc/builder_test.go

@@ -369,7 +369,7 @@ type fakeInterceptor struct {
 	isCalled bool
 }
 
-func (f *fakeInterceptor) intercept(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
+func (f *fakeInterceptor) intercept(ctx context.Context, method string, req, reply any, cc *grpc.ClientConn, invoker grpc.UnaryInvoker, opts ...grpc.CallOption) error {
 	f.isCalled = true
 	return invoker(ctx, method, req, reply, cc, opts...)
 }

cmd/agent/app/servers/tbuffered_server.go

@@ -79,7 +79,7 @@ func NewTBufferedServer(
 	dataChan := make(chan *ReadBuf, maxQueueSize)
 
 	readBufPool := &sync.Pool{
-		New: func() interface{} {
+		New: func() any {
 			return &ReadBuf{bytes: make([]byte, maxPacketSize)}
 		},
 	}

cmd/anonymizer/app/uiconv/extractor_test.go

@@ -100,7 +100,7 @@ func TestExtractorTraceScanError(t *testing.T) {
 	require.Contains(t, err.Error(), "failed when scanning the file")
 }
 
-func loadJSON(t *testing.T, fileName string, i interface{}) {
+func loadJSON(t *testing.T, fileName string, i any) {
 	b, err := os.ReadFile(fileName)
 	require.NoError(t, err)
 	err = json.Unmarshal(b, i)

cmd/collector/app/metrics.go

@@ -169,7 +169,7 @@ func newTraceCountsBySvc(factory metrics.Factory, category string, maxServices i
 		},
 		// use sync.Pool to reduce allocation of stringBuilder
 		stringBuilderPool: &sync.Pool{
-			New: func() interface{} {
+			New: func() any {
 				return new(strings.Builder)
 			},
 		},

cmd/collector/app/span_processor.go

@@ -73,7 +73,7 @@ func NewSpanProcessor(
 ) processor.SpanProcessor {
 	sp := newSpanProcessor(spanWriter, additional, opts...)
 
-	sp.queue.StartConsumers(sp.numWorkers, func(item interface{}) {
+	sp.queue.StartConsumers(sp.numWorkers, func(item any) {
 		value := item.(*queueItem)
 		sp.processItemFromQueue(value)
 	})
@@ -93,7 +93,7 @@ func newSpanProcessor(spanWriter spanstore.Writer, additional []ProcessSpan, opt
 		options.serviceMetrics,
 		options.hostMetrics,
 		options.extraFormatTypes)
-	droppedItemHandler := func(item interface{}) {
+	droppedItemHandler := func(item any) {
 		handlerMetrics.SpansDropped.Inc(1)
 		if options.onDroppedSpan != nil {
 			options.onDroppedSpan(item.(*queueItem).span)

cmd/es-rollover/app/init/action.go

@@ -92,13 +92,13 @@ func createIndexIfNotExist(c client.IndexAPI, index string) error {
 				return esErr.Err
 			}
 			// check for the reason of the error
-			jsonError := map[string]interface{}{}
+			jsonError := map[string]any{}
 			err := json.Unmarshal(esErr.Body, &jsonError)
 			if err != nil {
 				// return unmarshal error
 				return err
 			}
-			errorMap := jsonError["error"].(map[string]interface{})
+			errorMap := jsonError["error"].(map[string]any)
 			// check for reason, ignore already exist error
 			if strings.Contains(errorMap["type"].(string), "resource_already_exists_exception") {
 				return nil

cmd/es-rollover/app/rollover/action.go

@@ -40,7 +40,7 @@ func (a *Action) Do() error {
 }
 
 func (a *Action) rollover(indexSet app.IndexOption) error {
-	conditionsMap := map[string]interface{}{}
+	conditionsMap := map[string]any{}
 	if len(a.Conditions) > 0 {
 		err := json.Unmarshal([]byte(a.Config.Conditions), &conditionsMap)
 		if err != nil {

cmd/es-rollover/app/rollover/action_test.go

@@ -57,7 +57,7 @@ func TestRolloverAction(t *testing.T) {
 			setupCallExpectations: func(indexClient *mocks.MockIndexAPI, test *testCase) {
 				indexClient.On("GetJaegerIndices", "").Return(test.indices, test.getJaegerIndicesErr)
 				indexClient.On("CreateAlias", aliasToCreate).Return(test.createAliasErr)
-				indexClient.On("Rollover", "jaeger-span-archive-write", map[string]interface{}{"max_age": "2d"}).Return(test.rolloverErr)
+				indexClient.On("Rollover", "jaeger-span-archive-write", map[string]any{"max_age": "2d"}).Return(test.rolloverErr)
 			},
 		},
 		{
@@ -74,7 +74,7 @@ func TestRolloverAction(t *testing.T) {
 			},
 			setupCallExpectations: func(indexClient *mocks.MockIndexAPI, test *testCase) {
 				indexClient.On("GetJaegerIndices", "").Return(test.indices, test.getJaegerIndicesErr)
-				indexClient.On("Rollover", "jaeger-span-archive-write", map[string]interface{}{"max_age": "2d"}).Return(test.rolloverErr)
+				indexClient.On("Rollover", "jaeger-span-archive-write", map[string]any{"max_age": "2d"}).Return(test.rolloverErr)
 			},
 		},
 		{
@@ -84,7 +84,7 @@ func TestRolloverAction(t *testing.T) {
 			getJaegerIndicesErr: errors.New("unable to get indices"),
 			indices:             readIndices,
 			setupCallExpectations: func(indexClient *mocks.MockIndexAPI, test *testCase) {
-				indexClient.On("Rollover", "jaeger-span-archive-write", map[string]interface{}{"max_age": "2d"}).Return(test.rolloverErr)
+				indexClient.On("Rollover", "jaeger-span-archive-write", map[string]any{"max_age": "2d"}).Return(test.rolloverErr)
 				indexClient.On("GetJaegerIndices", "").Return(test.indices, test.getJaegerIndicesErr)
 			},
 		},
@@ -95,7 +95,7 @@ func TestRolloverAction(t *testing.T) {
 			rolloverErr:   errors.New("unable to rollover"),
 			indices:       readIndices,
 			setupCallExpectations: func(indexClient *mocks.MockIndexAPI, test *testCase) {
-				indexClient.On("Rollover", "jaeger-span-archive-write", map[string]interface{}{"max_age": "2d"}).Return(test.rolloverErr)
+				indexClient.On("Rollover", "jaeger-span-archive-write", map[string]any{"max_age": "2d"}).Return(test.rolloverErr)
 			},
 		},
 		{
@@ -107,7 +107,7 @@ func TestRolloverAction(t *testing.T) {
 			setupCallExpectations: func(indexClient *mocks.MockIndexAPI, test *testCase) {
 				indexClient.On("GetJaegerIndices", "").Return(test.indices, test.getJaegerIndicesErr)
 				indexClient.On("CreateAlias", aliasToCreate).Return(test.createAliasErr)
-				indexClient.On("Rollover", "jaeger-span-archive-write", map[string]interface{}{"max_age": "2d"}).Return(test.rolloverErr)
+				indexClient.On("Rollover", "jaeger-span-archive-write", map[string]any{"max_age": "2d"}).Return(test.rolloverErr)
 			},
 		},
 		{

cmd/esmapping-generator/app/renderer/render_test.go

@@ -70,7 +70,7 @@ func Test_getMappingAsString(t *testing.T) {
 			// Prepare
 			mockTemplateApplier := &mocks.TemplateApplier{}
 			mockTemplateApplier.On("Execute", mock.Anything, mock.Anything).Return(
-				func(wr io.Writer, data interface{}) error {
+				func(wr io.Writer, data any) error {
 					wr.Write([]byte(tt.want))
 					return nil
 				},

cmd/internal/flags/admin_test.go

@@ -81,7 +81,7 @@ func TestAdminFailToServe(t *testing.T) {
 	adminServer.serveWithListener(l)
 	defer adminServer.Close()
 
-	waitForEqual(t, healthcheck.Broken, func() interface{} { return adminServer.HC().Get() })
+	waitForEqual(t, healthcheck.Broken, func() any { return adminServer.HC().Get() })
 
 	logEntries := logs.TakeAll()
 	var matchedEntry string

cmd/internal/flags/service_test.go

@@ -92,17 +92,17 @@ func TestStartErrors(t *testing.T) {
 			}
 			go s.RunAndThen(shutdown)
 
-			waitForEqual(t, healthcheck.Ready, func() interface{} { return s.HC().Get() })
+			waitForEqual(t, healthcheck.Ready, func() any { return s.HC().Get() })
 			s.HC().Set(healthcheck.Unavailable)
-			waitForEqual(t, healthcheck.Unavailable, func() interface{} { return s.HC().Get() })
+			waitForEqual(t, healthcheck.Unavailable, func() any { return s.HC().Get() })
 
 			s.signalsChannel <- os.Interrupt
-			waitForEqual(t, true, func() interface{} { return stopped.Load() })
+			waitForEqual(t, true, func() any { return stopped.Load() })
 		})
 	}
 }
 
-func waitForEqual(t *testing.T, expected interface{}, getter func() interface{}) {
+func waitForEqual(t *testing.T, expected any, getter func() any) {
 	for i := 0; i < 1000; i++ {
 		value := getter()
 		if reflect.DeepEqual(value, expected) {

cmd/jaeger/internal/integration/e2e_integration.go

@@ -127,36 +127,36 @@ func (s *E2EStorageIntegration) e2eCleanUp(t *testing.T) {
 func createStorageCleanerConfig(t *testing.T, configFile string, storage string) string {
 	data, err := os.ReadFile(configFile)
 	require.NoError(t, err)
-	var config map[string]interface{}
+	var config map[string]any
 	err = yaml.Unmarshal(data, &config)
 	require.NoError(t, err)
 
-	service, ok := config["service"].(map[string]interface{})
+	service, ok := config["service"].(map[string]any)
 	require.True(t, ok)
-	service["extensions"] = append(service["extensions"].([]interface{}), "storage_cleaner")
+	service["extensions"] = append(service["extensions"].([]any), "storage_cleaner")
 
-	extensions, ok := config["extensions"].(map[string]interface{})
+	extensions, ok := config["extensions"].(map[string]any)
 	require.True(t, ok)
-	query, ok := extensions["jaeger_query"].(map[string]interface{})
+	query, ok := extensions["jaeger_query"].(map[string]any)
 	require.True(t, ok)
 	trace_storage := query["trace_storage"].(string)
 	extensions["storage_cleaner"] = map[string]string{"trace_storage": trace_storage}
 
-	jaegerStorage, ok := extensions["jaeger_storage"].(map[string]interface{})
+	jaegerStorage, ok := extensions["jaeger_storage"].(map[string]any)
 	require.True(t, ok)
 
 	switch storage {
 	case "elasticsearch":
-		elasticsearch, ok := jaegerStorage["elasticsearch"].(map[string]interface{})
+		elasticsearch, ok := jaegerStorage["elasticsearch"].(map[string]any)
 		require.True(t, ok)
-		esMain, ok := elasticsearch["es_main"].(map[string]interface{})
+		esMain, ok := elasticsearch["es_main"].(map[string]any)
 		require.True(t, ok)
 		esMain["service_cache_ttl"] = "1ms"
 
 	case "opensearch":
-		opensearch, ok := jaegerStorage["opensearch"].(map[string]interface{})
+		opensearch, ok := jaegerStorage["opensearch"].(map[string]any)
 		require.True(t, ok)
-		osMain, ok := opensearch["os_main"].(map[string]interface{})
+		osMain, ok := opensearch["os_main"].(map[string]any)
 		require.True(t, ok)
 		osMain["service_cache_ttl"] = "1ms"
 

cmd/query/app/apiv3/gateway_test.go

@@ -72,7 +72,7 @@ func (gw *testGateway) execRequest(t *testing.T, url string) ([]byte, int) {
 
 func (gw *testGateway) verifySnapshot(t *testing.T, body []byte) []byte {
 	// reformat JSON body with indentation, to make diffing easier
-	var data interface{}
+	var data any
 	require.NoError(t, json.Unmarshal(body, &data), "response: %s", string(body))
 	body, err := json.MarshalIndent(data, "", "  ")
 	require.NoError(t, err)

cmd/query/app/apiv3/http_gateway.go

@@ -66,7 +66,7 @@ func (h *HTTPGateway) addRoute(
 	router *mux.Router,
 	f func(http.ResponseWriter, *http.Request),
 	route string,
-	args ...interface{},
+	args ...any,
 ) *mux.Route {
 	var handler http.Handler = http.HandlerFunc(f)
 	if h.TenancyMgr.Enabled {

cmd/query/app/grpc_handler.go

@@ -323,7 +323,7 @@ func (g *GRPCHandler) handleErr(msg string, err error) error {
 	return status.Errorf(codes.Internal, "%s: %v", msg, err)
 }
 
-func (g *GRPCHandler) newBaseQueryParameters(r interface{}) (bqp metricsstore.BaseQueryParameters, err error) {
+func (g *GRPCHandler) newBaseQueryParameters(r any) (bqp metricsstore.BaseQueryParameters, err error) {
 	if r == nil {
 		return bqp, errNilRequest
 	}

cmd/query/app/grpc_handler_test.go

@@ -1109,7 +1109,7 @@ func TestTenancyContextFlowGRPC(t *testing.T) {
 		}
 
 		addTenantedGetServices := func(mockReader *spanstoremocks.Reader, tenant string, expectedServices []string) {
-			mockReader.On("GetServices", mock.MatchedBy(func(v interface{}) bool {
+			mockReader.On("GetServices", mock.MatchedBy(func(v any) bool {
 				ctx, ok := v.(context.Context)
 				if !ok {
 					return false
@@ -1121,7 +1121,7 @@ func TestTenancyContextFlowGRPC(t *testing.T) {
 			})).Return(expectedServices, nil).Once()
 		}
 		addTenantedGetTrace := func(mockReader *spanstoremocks.Reader, tenant string, trace *model.Trace, err error) {
-			mockReader.On("GetTrace", mock.MatchedBy(func(v interface{}) bool {
+			mockReader.On("GetTrace", mock.MatchedBy(func(v any) bool {
 				ctx, ok := v.(context.Context)
 				if !ok {
 					return false

cmd/query/app/handler_deps_test.go

@@ -318,8 +318,8 @@ func TestGetDependenciesSuccess(t *testing.T) {
 	var response structuredResponse
 	err := getJSON(ts.server.URL+"/api/dependencies?endTs=1476374248550&service=queen", &response)
 	assert.NotEmpty(t, response.Data)
-	data := response.Data.([]interface{})[0]
-	actual := data.(map[string]interface{})
+	data := response.Data.([]any)[0]
+	actual := data.(map[string]any)
 	assert.Equal(t, "killer", actual["parent"])
 	assert.Equal(t, "queen", actual["child"])
 	assert.Equal(t, 12.00, actual["callCount"]) // recovered type is float

cmd/query/app/http_handler.go

@@ -63,7 +63,7 @@ type HTTPHandler interface {
 }
 
 type structuredResponse struct {
-	Data   interface{}       `json:"data"`
+	Data   any               `json:"data"`
 	Total  int               `json:"total"`
 	Limit  int               `json:"limit"`
 	Offset int               `json:"offset"`
@@ -141,7 +141,7 @@ func (aH *APIHandler) handleFunc(
 	router *mux.Router,
 	f func(http.ResponseWriter, *http.Request),
 	routeFmt string,
-	args ...interface{},
+	args ...any,
 ) *mux.Route {
 	route := aH.formatRoute(routeFmt, args...)
 	var handler http.Handler = http.HandlerFunc(f)
@@ -155,8 +155,8 @@ func (aH *APIHandler) handleFunc(
 	return router.HandleFunc(route, traceMiddleware.ServeHTTP)
 }
 
-func (aH *APIHandler) formatRoute(route string, args ...interface{}) string {
-	args = append([]interface{}{aH.apiPrefix}, args...)
+func (aH *APIHandler) formatRoute(route string, args ...any) string {
+	args = append([]any{aH.apiPrefix}, args...)
 	return fmt.Sprintf("/%s"+route, args...)
 }
 
@@ -516,7 +516,7 @@ func (aH *APIHandler) handleError(w http.ResponseWriter, err error, statusCode i
 	return true
 }
 
-func (aH *APIHandler) writeJSON(w http.ResponseWriter, r *http.Request, response interface{}) {
+func (aH *APIHandler) writeJSON(w http.ResponseWriter, r *http.Request, response any) {
 	prettyPrintValue := r.FormValue(prettyPrintParam)
 	prettyPrint := prettyPrintValue != "" && prettyPrintValue != "false"