Removing opentracing (#29965)

* Removing opentracing

* Fixing CI

server/channels/store/layer_generators/main.go

@@ -19,8 +19,7 @@ import (
 )
 
 const (
-	OpenTracingParamsMarker = "@openTracingParams"
-	ErrorType               = "error"
+	ErrorType = "error"
 )
 
 func isError(typeName string) bool {
@@ -31,9 +30,6 @@ func main() {
 	if err := buildTimerLayer(); err != nil {
 		log.Fatal(err)
 	}
-	if err := buildOpenTracingLayer(); err != nil {
-		log.Fatal(err)
-	}
 	if err := buildRetryLayer(); err != nil {
 		log.Fatal(err)
 	}
@@ -65,28 +61,14 @@ func buildTimerLayer() error {
 	return os.WriteFile(path.Join("timerlayer", "timerlayer.go"), formatedCode, 0644)
 }
 
-func buildOpenTracingLayer() error {
-	code, err := generateLayer("OpenTracingLayer", "opentracing_layer.go.tmpl")
-	if err != nil {
-		return err
-	}
-	formatedCode, err := format.Source(code)
-	if err != nil {
-		return err
-	}
-
-	return os.WriteFile(path.Join("opentracinglayer", "opentracinglayer.go"), formatedCode, 0644)
-}
-
 type methodParam struct {
 	Name string
 	Type string
 }
 
 type methodData struct {
-	Params        []methodParam
-	Results       []string
-	ParamsToTrace map[string]bool
+	Params  []methodParam
+	Results []string
 }
 
 type subStore struct {
@@ -102,20 +84,9 @@ type storeMetadata struct {
 func extractMethodMetadata(method *ast.Field, src []byte) methodData {
 	params := []methodParam{}
 	results := []string{}
-	paramsToTrace := map[string]bool{}
 	ast.Inspect(method.Type, func(expr ast.Node) bool {
 		switch e := expr.(type) {
 		case *ast.FuncType:
-			if method.Doc != nil {
-				for _, comment := range method.Doc.List {
-					s := comment.Text
-					if idx := strings.Index(s, OpenTracingParamsMarker); idx != -1 {
-						for _, p := range strings.Split(s[idx+len(OpenTracingParamsMarker):], ",") {
-							paramsToTrace[strings.TrimSpace(p)] = true
-						}
-					}
-				}
-			}
 			if e.Params != nil {
 				for _, param := range e.Params.List {
 					for _, paramName := range param.Names {
@@ -128,23 +99,10 @@ func extractMethodMetadata(method *ast.Field, src []byte) methodData {
 					results = append(results, string(src[result.Type.Pos()-1:result.Type.End()-1]))
 				}
 			}
-
-			for paramName := range paramsToTrace {
-				found := false
-				for _, param := range params {
-					if param.Name == paramName {
-						found = true
-						break
-					}
-				}
-				if !found {
-					log.Fatalf("Unable to find a parameter called '%s' (method '%s') that is mentioned in the '%s' comment. Maybe it was renamed?", paramName, method.Names[0].Name, OpenTracingParamsMarker)
-				}
-			}
 		}
 		return true
 	})
-	return methodData{Params: params, Results: results, ParamsToTrace: paramsToTrace}
+	return methodData{Params: params, Results: results}
 }
 
 func extractStoreMetadata() (*storeMetadata, error) {