Add Code Metadata rule to soong/testing.

This Cl adds a new rule to Soong to generate code ownership metadata. Also, this CL adds a provider in the Java SDK library to provide generated source files to the Code_metadata rule. Will add providers to other libraries in the future changes.

Bug: 296873595
Change-Id: Ic2e43aa9b161231fea4416d1f0d36b778361d7c5

android/Android.bp

@@ -93,6 +93,7 @@ bootstrap_go_package {
         "singleton.go",
         "singleton_module.go",
         "soong_config_modules.go",
+        "source_file_provider.go",
         "test_asserts.go",
         "test_suites.go",
         "testing.go",

android/source_file_provider.go

@@ -0,0 +1,11 @@
+package android
+
+import (
+	"github.com/google/blueprint"
+)
+
+type SrcsFileProviderData struct {
+	SrcPaths Paths
+}
+
+var SrcsFileProviderKey = blueprint.NewProvider(SrcsFileProviderData{})

java/Android.bp

@@ -86,6 +86,7 @@ bootstrap_go_package {
         "app_import_test.go",
         "app_set_test.go",
         "app_test.go",
+        "code_metadata_test.go",
         "bootclasspath_fragment_test.go",
         "device_host_converter_test.go",
         "dex_test.go",

java/code_metadata_test.go

@@ -0,0 +1,125 @@
+package java
+
+import (
+	"strings"
+	"testing"
+
+	"android/soong/android"
+	soongTesting "android/soong/testing"
+	"android/soong/testing/code_metadata_internal_proto"
+	"google.golang.org/protobuf/proto"
+)
+
+func TestCodeMetadata(t *testing.T) {
+	bp := `code_metadata {
+		name: "module-name",
+		teamId: "12345",
+		code: [
+			"foo",
+		]
+	}
+
+	java_sdk_library {
+		name: "foo",
+		srcs: ["a.java"],
+	}`
+	result := runCodeMetadataTest(t, android.FixtureExpectsNoErrors, bp)
+
+	module := result.ModuleForTests(
+		"module-name", "",
+	).Module().(*soongTesting.CodeMetadataModule)
+
+	// Check that the provider has the right contents
+	data := result.ModuleProvider(
+		module, soongTesting.CodeMetadataProviderKey,
+	).(soongTesting.CodeMetadataProviderData)
+	if !strings.HasSuffix(
+		data.IntermediatePath.String(), "/intermediateCodeMetadata.pb",
+	) {
+		t.Errorf(
+			"Missing intermediates path in provider: %s",
+			data.IntermediatePath.String(),
+		)
+	}
+
+	buildParamsSlice := module.BuildParamsForTests()
+	var metadata = ""
+	for _, params := range buildParamsSlice {
+		if params.Rule.String() == "android/soong/android.writeFile" {
+			metadata = params.Args["content"]
+		}
+	}
+
+	metadataList := make([]*code_metadata_internal_proto.CodeMetadataInternal_TargetOwnership, 0, 2)
+	teamId := "12345"
+	bpFilePath := "Android.bp"
+	targetName := "foo"
+	srcFile := []string{"a.java"}
+	expectedMetadataProto := code_metadata_internal_proto.CodeMetadataInternal_TargetOwnership{
+		TrendyTeamId: &teamId,
+		TargetName:   &targetName,
+		Path:         &bpFilePath,
+		SourceFiles:  srcFile,
+	}
+	metadataList = append(metadataList, &expectedMetadataProto)
+
+	CodeMetadataMetadata := code_metadata_internal_proto.CodeMetadataInternal{TargetOwnershipList: metadataList}
+	protoData, _ := proto.Marshal(&CodeMetadataMetadata)
+	rawData := string(protoData)
+	formattedData := strings.ReplaceAll(rawData, "\n", "\\n")
+	expectedMetadata := "'" + formattedData + "\\n'"
+
+	if metadata != expectedMetadata {
+		t.Errorf(
+			"Retrieved metadata: %s is not equal to expectedMetadata: %s", metadata,
+			expectedMetadata,
+		)
+	}
+
+	// Tests for all_test_spec singleton.
+	singleton := result.SingletonForTests("all_code_metadata")
+	rule := singleton.Rule("all_code_metadata_rule")
+	prebuiltOs := result.Config.PrebuiltOS()
+	expectedCmd := "out/soong/host/" + prebuiltOs + "/bin/metadata -rule code_metadata -inputFile out/soong/all_code_metadata_paths.rsp -outputFile out/soong/ownership/all_code_metadata.pb"
+	expectedOutputFile := "out/soong/ownership/all_code_metadata.pb"
+	expectedInputFile := "out/soong/.intermediates/module-name/intermediateCodeMetadata.pb"
+	if !strings.Contains(
+		strings.TrimSpace(rule.Output.String()),
+		expectedOutputFile,
+	) {
+		t.Errorf(
+			"Retrieved singletonOutputFile: %s is not equal to expectedSingletonOutputFile: %s",
+			rule.Output.String(), expectedOutputFile,
+		)
+	}
+
+	if !strings.Contains(
+		strings.TrimSpace(rule.Inputs[0].String()),
+		expectedInputFile,
+	) {
+		t.Errorf(
+			"Retrieved singletonInputFile: %s is not equal to expectedSingletonInputFile: %s",
+			rule.Inputs[0].String(), expectedInputFile,
+		)
+	}
+
+	if !strings.Contains(
+		strings.TrimSpace(rule.RuleParams.Command),
+		expectedCmd,
+	) {
+		t.Errorf(
+			"Retrieved cmd: %s doesn't contain expectedCmd: %s",
+			rule.RuleParams.Command, expectedCmd,
+		)
+	}
+}
+func runCodeMetadataTest(
+		t *testing.T, errorHandler android.FixtureErrorHandler, bp string,
+) *android.TestResult {
+	return android.GroupFixturePreparers(
+		soongTesting.PrepareForTestWithTestingBuildComponents, prepareForJavaTest,
+		PrepareForTestWithJavaSdkLibraryFiles, FixtureWithLastReleaseApis("foo"),
+	).
+		ExtendWithErrorHandler(errorHandler).
+		RunTestWithBp(t, bp)
+}

java/sdk_library.go

@@ -1477,6 +1477,7 @@ func (module *SdkLibrary) GenerateAndroidBuildActions(ctx android.ModuleContext)
 		}
 	}
 	ctx.SetProvider(android.AdditionalSdkInfoProvider, android.AdditionalSdkInfo{additionalSdkInfo})
+	ctx.SetProvider(android.SrcsFileProviderKey, android.SrcsFileProviderData{SrcPaths: module.uniqueSrcFiles})
 }
 
 func (module *SdkLibrary) AndroidMkEntries() []android.AndroidMkEntries {

java/test_spec_test.go

@@ -27,7 +27,7 @@ func TestTestSpec(t *testing.T) {
 	java_test {
 		name: "java-test-module-name-two",
 	}`
-	result := runTest(t, android.FixtureExpectsNoErrors, bp)
+	result := runTestSpecTest(t, android.FixtureExpectsNoErrors, bp)
 
 	module := result.ModuleForTests(
 		"module-name", "",
@@ -78,7 +78,7 @@ func TestTestSpec(t *testing.T) {
 
 	if metadata != expectedMetadata {
 		t.Errorf(
-			"Retrieved metadata: %s is not equal to expectedMetadata: %s", metadata,
+			"Retrieved metadata: %s doesn't contain expectedMetadata: %s", metadata,
 			expectedMetadata,
 		)
 	}
@@ -121,11 +121,11 @@ func TestTestSpec(t *testing.T) {
 	}
 }
 
-func runTest(
+func runTestSpecTest(
 		t *testing.T, errorHandler android.FixtureErrorHandler, bp string,
 ) *android.TestResult {
 	return android.GroupFixturePreparers(
-		soongTesting.PrepareForTestWithTestSpecBuildComponents,
+		soongTesting.PrepareForTestWithTestingBuildComponents,
 		PrepareForIntegrationTestWithJava,
 	).
 		ExtendWithErrorHandler(errorHandler).

testing/Android.bp

@@ -8,11 +8,14 @@ bootstrap_go_package {
     deps: [
         "blueprint",
         "soong-android",
+        "soong-testing-code_metadata_internal_proto",
         "soong-testing-test_spec_proto",
 
     ],
     srcs: [
+        "all_code_metadata.go",
         "all_test_specs.go",
+        "code_metadata.go",
         "test_spec.go",
         "init.go",
         "test.go",

testing/OWNERS

@@ -0,0 +1,4 @@
+dariofreni@google.com
+joeo@google.com
+ronish@google.com
+caditya@google.com

testing/all_code_metadata.go

@@ -0,0 +1,51 @@
+package testing
+
+import (
+	"android/soong/android"
+)
+
+const fileContainingCodeMetadataFilePaths = "all_code_metadata_paths.rsp"
+const allCodeMetadataFile = "all_code_metadata.pb"
+
+func AllCodeMetadataFactory() android.Singleton {
+	return &allCodeMetadataSingleton{}
+}
+
+type allCodeMetadataSingleton struct {
+	// Path where the collected metadata is stored after successful validation.
+	outputPath android.OutputPath
+}
+
+func (this *allCodeMetadataSingleton) GenerateBuildActions(ctx android.SingletonContext) {
+	var intermediateMetadataPaths android.Paths
+
+	ctx.VisitAllModules(
+		func(module android.Module) {
+			if !ctx.ModuleHasProvider(module, CodeMetadataProviderKey) {
+				return
+			}
+			intermediateMetadataPaths = append(
+				intermediateMetadataPaths, ctx.ModuleProvider(
+					module, CodeMetadataProviderKey,
+				).(CodeMetadataProviderData).IntermediatePath,
+			)
+		},
+	)
+
+	rspFile := android.PathForOutput(ctx, fileContainingCodeMetadataFilePaths)
+	this.outputPath = android.PathForOutput(ctx, ownershipDirectory, allCodeMetadataFile)
+
+	rule := android.NewRuleBuilder(pctx, ctx)
+	cmd := rule.Command().
+		BuiltTool("metadata").
+		FlagWithArg("-rule ", "code_metadata").
+		FlagWithRspFileInputList("-inputFile ", rspFile, intermediateMetadataPaths)
+	cmd.FlagWithOutput("-outputFile ", this.outputPath)
+	rule.Build("all_code_metadata_rule", "Generate all code metadata")
+
+	ctx.Phony("all_code_metadata", this.outputPath)
+}
+
+func (this *allCodeMetadataSingleton) MakeVars(ctx android.MakeVarsContext) {
+	ctx.DistForGoal("code_metadata", this.outputPath)
+}

testing/code_metadata.go

@@ -0,0 +1,139 @@
+// Copyright 2020 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package testing
+
+import (
+	"path/filepath"
+
+	"android/soong/android"
+	"android/soong/testing/code_metadata_internal_proto"
+	"github.com/google/blueprint"
+	"google.golang.org/protobuf/proto"
+)
+
+func CodeMetadataFactory() android.Module {
+	module := &CodeMetadataModule{}
+
+	android.InitAndroidModule(module)
+	android.InitDefaultableModule(module)
+	module.AddProperties(&module.properties)
+
+	return module
+}
+
+type CodeMetadataModule struct {
+	android.ModuleBase
+	android.DefaultableModuleBase
+	android.BazelModuleBase
+
+	// Properties for "code_metadata"
+	properties struct {
+		// Specifies the name of the code_config.
+		Name string
+		// Specifies the team ID.
+		TeamId string
+		// Specifies the list of modules that this code_metadata covers.
+		Code []string
+		// An optional field to specify if multiple ownerships for source files is allowed.
+		MultiOwnership bool
+	}
+}
+
+type codeDepTagType struct {
+	blueprint.BaseDependencyTag
+}
+
+var codeDepTag = codeDepTagType{}
+
+func (module *CodeMetadataModule) DepsMutator(ctx android.BottomUpMutatorContext) {
+	// Validate Properties
+	if len(module.properties.TeamId) == 0 {
+		ctx.PropertyErrorf(
+			"TeamId",
+			"Team Id not found in the code_metadata module. Hint: Maybe the teamId property hasn't been properly specified.",
+		)
+	}
+	if !isInt(module.properties.TeamId) {
+		ctx.PropertyErrorf(
+			"TeamId", "Invalid value for Team ID. The Team ID must be an integer.",
+		)
+	}
+	if len(module.properties.Code) == 0 {
+		ctx.PropertyErrorf(
+			"Code",
+			"Targets to be attributed cannot be empty. Hint: Maybe the code property hasn't been properly specified.",
+		)
+	}
+	ctx.AddDependency(ctx.Module(), codeDepTag, module.properties.Code...)
+}
+
+// Provider published by CodeMetadata
+type CodeMetadataProviderData struct {
+	IntermediatePath android.WritablePath
+}
+
+var CodeMetadataProviderKey = blueprint.NewProvider(CodeMetadataProviderData{})
+
+func (module *CodeMetadataModule) GenerateAndroidBuildActions(ctx android.ModuleContext) {
+	metadataList := make(
+		[]*code_metadata_internal_proto.CodeMetadataInternal_TargetOwnership, 0,
+		len(module.properties.Code),
+	)
+	bpFilePath := filepath.Join(ctx.ModuleDir(), ctx.BlueprintsFile())
+
+	for _, m := range ctx.GetDirectDepsWithTag(codeDepTag) {
+		targetName := m.Name()
+		var moduleSrcs android.Paths
+		if ctx.OtherModuleHasProvider(m, android.SrcsFileProviderKey) {
+			moduleSrcs = ctx.OtherModuleProvider(
+				m, android.SrcsFileProviderKey,
+			).(android.SrcsFileProviderData).SrcPaths
+		}
+		if module.properties.MultiOwnership {
+			metadata := &code_metadata_internal_proto.CodeMetadataInternal_TargetOwnership{
+				TargetName:     &targetName,
+				TrendyTeamId:   &module.properties.TeamId,
+				Path:           &bpFilePath,
+				MultiOwnership: &module.properties.MultiOwnership,
+				SourceFiles:    moduleSrcs.Strings(),
+			}
+			metadataList = append(metadataList, metadata)
+		} else {
+			metadata := &code_metadata_internal_proto.CodeMetadataInternal_TargetOwnership{
+				TargetName:   &targetName,
+				TrendyTeamId: &module.properties.TeamId,
+				Path:         &bpFilePath,
+				SourceFiles:  moduleSrcs.Strings(),
+			}
+			metadataList = append(metadataList, metadata)
+		}
+
+	}
+	codeMetadata := &code_metadata_internal_proto.CodeMetadataInternal{TargetOwnershipList: metadataList}
+	protoData, err := proto.Marshal(codeMetadata)
+	if err != nil {
+		ctx.ModuleErrorf("Error marshaling code metadata: %s", err.Error())
+		return
+	}
+	intermediatePath := android.PathForModuleOut(
+		ctx, "intermediateCodeMetadata.pb",
+	)
+	android.WriteFileRule(ctx, intermediatePath, string(protoData))
+
+	ctx.SetProvider(
+		CodeMetadataProviderKey,
+		CodeMetadataProviderData{IntermediatePath: intermediatePath},
+	)
+}

testing/code_metadata_internal_proto/Android.bp

@@ -0,0 +1,29 @@
+// Copyright 2022 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+bootstrap_go_package {
+    name: "soong-testing-code_metadata_internal_proto",
+    pkgPath: "android/soong/testing/code_metadata_internal_proto",
+    deps: [
+            "golang-protobuf-reflect-protoreflect",
+            "golang-protobuf-runtime-protoimpl",
+        ],
+    srcs: [
+        "code_metadata_internal.pb.go",
+    ],
+}

testing/code_metadata_internal_proto/OWNERS

@@ -0,0 +1,4 @@
+dariofreni@google.com
+joeo@google.com
+ronish@google.com
+caditya@google.com

testing/code_metadata_internal_proto/code_metadata_internal.pb.go

@@ -0,0 +1,277 @@
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.30.0
+// 	protoc        v3.21.12
+// source: code_metadata_internal.proto
+
+package code_metadata_internal_proto
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type CodeMetadataInternal struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// List of all code targets and their metadata.
+	TargetOwnershipList []*CodeMetadataInternal_TargetOwnership `protobuf:"bytes,1,rep,name=target_ownership_list,json=targetOwnershipList" json:"target_ownership_list,omitempty"`
+}
+
+func (x *CodeMetadataInternal) Reset() {
+	*x = CodeMetadataInternal{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_code_metadata_internal_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CodeMetadataInternal) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CodeMetadataInternal) ProtoMessage() {}
+
+func (x *CodeMetadataInternal) ProtoReflect() protoreflect.Message {
+	mi := &file_code_metadata_internal_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CodeMetadataInternal.ProtoReflect.Descriptor instead.
+func (*CodeMetadataInternal) Descriptor() ([]byte, []int) {
+	return file_code_metadata_internal_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *CodeMetadataInternal) GetTargetOwnershipList() []*CodeMetadataInternal_TargetOwnership {
+	if x != nil {
+		return x.TargetOwnershipList
+	}
+	return nil
+}
+
+type CodeMetadataInternal_TargetOwnership struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// REQUIRED: Name of the build target
+	TargetName *string `protobuf:"bytes,1,opt,name=target_name,json=targetName" json:"target_name,omitempty"`
+	// REQUIRED: Code location of the target.
+	// To be used to support legacy/backup systems that use OWNERS file and is
+	// also required for our dashboard to support per code location basis UI
+	Path *string `protobuf:"bytes,2,opt,name=path" json:"path,omitempty"`
+	// REQUIRED: Team ID of the team that owns this target.
+	TrendyTeamId *string `protobuf:"bytes,3,opt,name=trendy_team_id,json=trendyTeamId" json:"trendy_team_id,omitempty"`
+	// OPTIONAL: The src files of the target.
+	// To be used to determine ownership of a file for ownership
+	SourceFiles []string `protobuf:"bytes,4,rep,name=source_files,json=sourceFiles" json:"source_files,omitempty"`
+	// OPTIONAL: Specify if multiple ownerships of the source files are allowed.
+	MultiOwnership *bool `protobuf:"varint,5,opt,name=multi_ownership,json=multiOwnership" json:"multi_ownership,omitempty"`
+}
+
+func (x *CodeMetadataInternal_TargetOwnership) Reset() {
+	*x = CodeMetadataInternal_TargetOwnership{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_code_metadata_internal_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CodeMetadataInternal_TargetOwnership) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CodeMetadataInternal_TargetOwnership) ProtoMessage() {}
+
+func (x *CodeMetadataInternal_TargetOwnership) ProtoReflect() protoreflect.Message {
+	mi := &file_code_metadata_internal_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CodeMetadataInternal_TargetOwnership.ProtoReflect.Descriptor instead.
+func (*CodeMetadataInternal_TargetOwnership) Descriptor() ([]byte, []int) {
+	return file_code_metadata_internal_proto_rawDescGZIP(), []int{0, 0}
+}
+
+func (x *CodeMetadataInternal_TargetOwnership) GetTargetName() string {
+	if x != nil && x.TargetName != nil {
+		return *x.TargetName
+	}
+	return ""
+}
+
+func (x *CodeMetadataInternal_TargetOwnership) GetPath() string {
+	if x != nil && x.Path != nil {
+		return *x.Path
+	}
+	return ""
+}
+
+func (x *CodeMetadataInternal_TargetOwnership) GetTrendyTeamId() string {
+	if x != nil && x.TrendyTeamId != nil {
+		return *x.TrendyTeamId
+	}
+	return ""
+}
+
+func (x *CodeMetadataInternal_TargetOwnership) GetSourceFiles() []string {
+	if x != nil {
+		return x.SourceFiles
+	}
+	return nil
+}
+
+func (x *CodeMetadataInternal_TargetOwnership) GetMultiOwnership() bool {
+	if x != nil && x.MultiOwnership != nil {
+		return *x.MultiOwnership
+	}
+	return false
+}
+
+var File_code_metadata_internal_proto protoreflect.FileDescriptor
+
+var file_code_metadata_internal_proto_rawDesc = []byte{
+	0x0a, 0x1c, 0x63, 0x6f, 0x64, 0x65, 0x5f, 0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x5f,
+	0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x1c,
+	0x63, 0x6f, 0x64, 0x65, 0x5f, 0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x5f, 0x69, 0x6e,
+	0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x5f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xc9, 0x02, 0x0a,
+	0x14, 0x43, 0x6f, 0x64, 0x65, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x49, 0x6e, 0x74,
+	0x65, 0x72, 0x6e, 0x61, 0x6c, 0x12, 0x76, 0x0a, 0x15, 0x74, 0x61, 0x72, 0x67, 0x65, 0x74, 0x5f,
+	0x6f, 0x77, 0x6e, 0x65, 0x72, 0x73, 0x68, 0x69, 0x70, 0x5f, 0x6c, 0x69, 0x73, 0x74, 0x18, 0x01,
+	0x20, 0x03, 0x28, 0x0b, 0x32, 0x42, 0x2e, 0x63, 0x6f, 0x64, 0x65, 0x5f, 0x6d, 0x65, 0x74, 0x61,
+	0x64, 0x61, 0x74, 0x61, 0x5f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x5f, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x2e, 0x43, 0x6f, 0x64, 0x65, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61,
+	0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x2e, 0x54, 0x61, 0x72, 0x67, 0x65, 0x74, 0x4f,
+	0x77, 0x6e, 0x65, 0x72, 0x73, 0x68, 0x69, 0x70, 0x52, 0x13, 0x74, 0x61, 0x72, 0x67, 0x65, 0x74,
+	0x4f, 0x77, 0x6e, 0x65, 0x72, 0x73, 0x68, 0x69, 0x70, 0x4c, 0x69, 0x73, 0x74, 0x1a, 0xb8, 0x01,
+	0x0a, 0x0f, 0x54, 0x61, 0x72, 0x67, 0x65, 0x74, 0x4f, 0x77, 0x6e, 0x65, 0x72, 0x73, 0x68, 0x69,
+	0x70, 0x12, 0x1f, 0x0a, 0x0b, 0x74, 0x61, 0x72, 0x67, 0x65, 0x74, 0x5f, 0x6e, 0x61, 0x6d, 0x65,
+	0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0a, 0x74, 0x61, 0x72, 0x67, 0x65, 0x74, 0x4e, 0x61,
+	0x6d, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x70, 0x61, 0x74, 0x68, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09,
+	0x52, 0x04, 0x70, 0x61, 0x74, 0x68, 0x12, 0x24, 0x0a, 0x0e, 0x74, 0x72, 0x65, 0x6e, 0x64, 0x79,
+	0x5f, 0x74, 0x65, 0x61, 0x6d, 0x5f, 0x69, 0x64, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0c,
+	0x74, 0x72, 0x65, 0x6e, 0x64, 0x79, 0x54, 0x65, 0x61, 0x6d, 0x49, 0x64, 0x12, 0x21, 0x0a, 0x0c,
+	0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x5f, 0x66, 0x69, 0x6c, 0x65, 0x73, 0x18, 0x04, 0x20, 0x03,
+	0x28, 0x09, 0x52, 0x0b, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x46, 0x69, 0x6c, 0x65, 0x73, 0x12,
+	0x27, 0x0a, 0x0f, 0x6d, 0x75, 0x6c, 0x74, 0x69, 0x5f, 0x6f, 0x77, 0x6e, 0x65, 0x72, 0x73, 0x68,
+	0x69, 0x70, 0x18, 0x05, 0x20, 0x01, 0x28, 0x08, 0x52, 0x0e, 0x6d, 0x75, 0x6c, 0x74, 0x69, 0x4f,
+	0x77, 0x6e, 0x65, 0x72, 0x73, 0x68, 0x69, 0x70, 0x42, 0x34, 0x5a, 0x32, 0x61, 0x6e, 0x64, 0x72,
+	0x6f, 0x69, 0x64, 0x2f, 0x73, 0x6f, 0x6f, 0x6e, 0x67, 0x2f, 0x74, 0x65, 0x73, 0x74, 0x69, 0x6e,
+	0x67, 0x2f, 0x63, 0x6f, 0x64, 0x65, 0x5f, 0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x5f,
+	0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x5f, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+}
+
+var (
+	file_code_metadata_internal_proto_rawDescOnce sync.Once
+	file_code_metadata_internal_proto_rawDescData = file_code_metadata_internal_proto_rawDesc
+)
+
+func file_code_metadata_internal_proto_rawDescGZIP() []byte {
+	file_code_metadata_internal_proto_rawDescOnce.Do(func() {
+		file_code_metadata_internal_proto_rawDescData = protoimpl.X.CompressGZIP(file_code_metadata_internal_proto_rawDescData)
+	})
+	return file_code_metadata_internal_proto_rawDescData
+}
+
+var file_code_metadata_internal_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_code_metadata_internal_proto_goTypes = []interface{}{
+	(*CodeMetadataInternal)(nil),                 // 0: code_metadata_internal_proto.CodeMetadataInternal
+	(*CodeMetadataInternal_TargetOwnership)(nil), // 1: code_metadata_internal_proto.CodeMetadataInternal.TargetOwnership
+}
+var file_code_metadata_internal_proto_depIdxs = []int32{
+	1, // 0: code_metadata_internal_proto.CodeMetadataInternal.target_ownership_list:type_name -> code_metadata_internal_proto.CodeMetadataInternal.TargetOwnership
+	1, // [1:1] is the sub-list for method output_type
+	1, // [1:1] is the sub-list for method input_type
+	1, // [1:1] is the sub-list for extension type_name
+	1, // [1:1] is the sub-list for extension extendee
+	0, // [0:1] is the sub-list for field type_name
+}
+
+func init() { file_code_metadata_internal_proto_init() }
+func file_code_metadata_internal_proto_init() {
+	if File_code_metadata_internal_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_code_metadata_internal_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CodeMetadataInternal); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_code_metadata_internal_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CodeMetadataInternal_TargetOwnership); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_code_metadata_internal_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_code_metadata_internal_proto_goTypes,
+		DependencyIndexes: file_code_metadata_internal_proto_depIdxs,
+		MessageInfos:      file_code_metadata_internal_proto_msgTypes,
+	}.Build()
+	File_code_metadata_internal_proto = out.File
+	file_code_metadata_internal_proto_rawDesc = nil
+	file_code_metadata_internal_proto_goTypes = nil
+	file_code_metadata_internal_proto_depIdxs = nil
+}

testing/code_metadata_internal_proto/code_metadata_internal.proto

@@ -0,0 +1,40 @@
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto2";
+package code_metadata_internal_proto;
+option go_package = "android/soong/testing/code_metadata_internal_proto";
+
+message CodeMetadataInternal {
+
+  message TargetOwnership {
+    // REQUIRED: Name of the build target
+    optional string target_name = 1;
+
+    // REQUIRED: Code location of the target.
+    // To be used to support legacy/backup systems that use OWNERS file and is
+    // also required for our dashboard to support per code location basis UI
+    optional string path = 2;
+
+    // REQUIRED: Team ID of the team that owns this target.
+    optional string trendy_team_id = 3;
+
+    // OPTIONAL: The src files of the target.
+    // To be used to determine ownership of a file for ownership
+    repeated string source_files = 4;
+
+    // OPTIONAL: Specify if multiple ownerships of the source files are allowed.
+    optional bool multi_ownership = 5;
+  }
+
+  // List of all code targets and their metadata.
+  repeated TargetOwnership target_ownership_list = 1;
+}

testing/code_metadata_internal_proto/go.mod

@@ -0,0 +1,3 @@
+module android/soong/testing/code_metadata_internal_proto
+
+go 1.18

testing/code_metadata_internal_proto/regen.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+aprotoc --go_out=paths=source_relative:. code_metadata_internal.proto

testing/code_metadata_proto/Android.bp

@@ -0,0 +1,29 @@
+// Copyright 2022 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package {
+    default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+bootstrap_go_package {
+    name: "soong-testing-code_metadata_proto",
+    pkgPath: "android/soong/testing/code_metadata_proto",
+    deps: [
+            "golang-protobuf-reflect-protoreflect",
+            "golang-protobuf-runtime-protoimpl",
+        ],
+    srcs: [
+        "code_metadata.pb.go",
+    ],
+}

testing/code_metadata_proto/OWNERS

@@ -0,0 +1,4 @@
+dariofreni@google.com
+joeo@google.com
+ronish@google.com
+caditya@google.com

testing/code_metadata_proto/code_metadata.pb.go

@@ -0,0 +1,263 @@
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.30.0
+// 	protoc        v3.21.12
+// source: code_metadata.proto
+
+package code_metadata_proto
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type CodeMetadata struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// List of all code targets and their metadata.
+	TargetOwnershipList []*CodeMetadata_TargetOwnership `protobuf:"bytes,1,rep,name=target_ownership_list,json=targetOwnershipList" json:"target_ownership_list,omitempty"`
+}
+
+func (x *CodeMetadata) Reset() {
+	*x = CodeMetadata{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_code_metadata_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CodeMetadata) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CodeMetadata) ProtoMessage() {}
+
+func (x *CodeMetadata) ProtoReflect() protoreflect.Message {
+	mi := &file_code_metadata_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CodeMetadata.ProtoReflect.Descriptor instead.
+func (*CodeMetadata) Descriptor() ([]byte, []int) {
+	return file_code_metadata_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *CodeMetadata) GetTargetOwnershipList() []*CodeMetadata_TargetOwnership {
+	if x != nil {
+		return x.TargetOwnershipList
+	}
+	return nil
+}
+
+type CodeMetadata_TargetOwnership struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// REQUIRED: Name of the build target
+	TargetName *string `protobuf:"bytes,1,opt,name=target_name,json=targetName" json:"target_name,omitempty"`
+	// REQUIRED: Code location of the target.
+	// To be used to support legacy/backup systems that use OWNERS file and is
+	// also required for our dashboard to support per code location basis UI
+	Path *string `protobuf:"bytes,2,opt,name=path" json:"path,omitempty"`
+	// REQUIRED: Team ID of the team that owns this target.
+	TrendyTeamId *string `protobuf:"bytes,3,opt,name=trendy_team_id,json=trendyTeamId" json:"trendy_team_id,omitempty"`
+	// OPTIONAL: The src files of the target.
+	// To be used to determine ownership of a file for ownership
+	SourceFiles []string `protobuf:"bytes,4,rep,name=source_files,json=sourceFiles" json:"source_files,omitempty"`
+}
+
+func (x *CodeMetadata_TargetOwnership) Reset() {
+	*x = CodeMetadata_TargetOwnership{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_code_metadata_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CodeMetadata_TargetOwnership) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CodeMetadata_TargetOwnership) ProtoMessage() {}
+
+func (x *CodeMetadata_TargetOwnership) ProtoReflect() protoreflect.Message {
+	mi := &file_code_metadata_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CodeMetadata_TargetOwnership.ProtoReflect.Descriptor instead.
+func (*CodeMetadata_TargetOwnership) Descriptor() ([]byte, []int) {
+	return file_code_metadata_proto_rawDescGZIP(), []int{0, 0}
+}
+
+func (x *CodeMetadata_TargetOwnership) GetTargetName() string {
+	if x != nil && x.TargetName != nil {
+		return *x.TargetName
+	}
+	return ""
+}
+
+func (x *CodeMetadata_TargetOwnership) GetPath() string {
+	if x != nil && x.Path != nil {
+		return *x.Path
+	}
+	return ""
+}
+
+func (x *CodeMetadata_TargetOwnership) GetTrendyTeamId() string {
+	if x != nil && x.TrendyTeamId != nil {
+		return *x.TrendyTeamId
+	}
+	return ""
+}
+
+func (x *CodeMetadata_TargetOwnership) GetSourceFiles() []string {
+	if x != nil {
+		return x.SourceFiles
+	}
+	return nil
+}
+
+var File_code_metadata_proto protoreflect.FileDescriptor
+
+var file_code_metadata_proto_rawDesc = []byte{
+	0x0a, 0x13, 0x63, 0x6f, 0x64, 0x65, 0x5f, 0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x2e,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x13, 0x63, 0x6f, 0x64, 0x65, 0x5f, 0x6d, 0x65, 0x74, 0x61,
+	0x64, 0x61, 0x74, 0x61, 0x5f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x87, 0x02, 0x0a, 0x0c, 0x43,
+	0x6f, 0x64, 0x65, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x12, 0x65, 0x0a, 0x15, 0x74,
+	0x61, 0x72, 0x67, 0x65, 0x74, 0x5f, 0x6f, 0x77, 0x6e, 0x65, 0x72, 0x73, 0x68, 0x69, 0x70, 0x5f,
+	0x6c, 0x69, 0x73, 0x74, 0x18, 0x01, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x31, 0x2e, 0x63, 0x6f, 0x64,
+	0x65, 0x5f, 0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x5f, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x2e, 0x43, 0x6f, 0x64, 0x65, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x2e, 0x54, 0x61,
+	0x72, 0x67, 0x65, 0x74, 0x4f, 0x77, 0x6e, 0x65, 0x72, 0x73, 0x68, 0x69, 0x70, 0x52, 0x13, 0x74,
+	0x61, 0x72, 0x67, 0x65, 0x74, 0x4f, 0x77, 0x6e, 0x65, 0x72, 0x73, 0x68, 0x69, 0x70, 0x4c, 0x69,
+	0x73, 0x74, 0x1a, 0x8f, 0x01, 0x0a, 0x0f, 0x54, 0x61, 0x72, 0x67, 0x65, 0x74, 0x4f, 0x77, 0x6e,
+	0x65, 0x72, 0x73, 0x68, 0x69, 0x70, 0x12, 0x1f, 0x0a, 0x0b, 0x74, 0x61, 0x72, 0x67, 0x65, 0x74,
+	0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0a, 0x74, 0x61, 0x72,
+	0x67, 0x65, 0x74, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x12, 0x0a, 0x04, 0x70, 0x61, 0x74, 0x68, 0x18,
+	0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x70, 0x61, 0x74, 0x68, 0x12, 0x24, 0x0a, 0x0e, 0x74,
+	0x72, 0x65, 0x6e, 0x64, 0x79, 0x5f, 0x74, 0x65, 0x61, 0x6d, 0x5f, 0x69, 0x64, 0x18, 0x03, 0x20,
+	0x01, 0x28, 0x09, 0x52, 0x0c, 0x74, 0x72, 0x65, 0x6e, 0x64, 0x79, 0x54, 0x65, 0x61, 0x6d, 0x49,
+	0x64, 0x12, 0x21, 0x0a, 0x0c, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x5f, 0x66, 0x69, 0x6c, 0x65,
+	0x73, 0x18, 0x04, 0x20, 0x03, 0x28, 0x09, 0x52, 0x0b, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x46,
+	0x69, 0x6c, 0x65, 0x73, 0x42, 0x2b, 0x5a, 0x29, 0x61, 0x6e, 0x64, 0x72, 0x6f, 0x69, 0x64, 0x2f,
+	0x73, 0x6f, 0x6f, 0x6e, 0x67, 0x2f, 0x74, 0x65, 0x73, 0x74, 0x69, 0x6e, 0x67, 0x2f, 0x63, 0x6f,
+	0x64, 0x65, 0x5f, 0x6d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0x5f, 0x70, 0x72, 0x6f, 0x74,
+	0x6f,
+}
+
+var (
+	file_code_metadata_proto_rawDescOnce sync.Once
+	file_code_metadata_proto_rawDescData = file_code_metadata_proto_rawDesc
+)
+
+func file_code_metadata_proto_rawDescGZIP() []byte {
+	file_code_metadata_proto_rawDescOnce.Do(func() {
+		file_code_metadata_proto_rawDescData = protoimpl.X.CompressGZIP(file_code_metadata_proto_rawDescData)
+	})
+	return file_code_metadata_proto_rawDescData
+}
+
+var file_code_metadata_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_code_metadata_proto_goTypes = []interface{}{
+	(*CodeMetadata)(nil),                 // 0: code_metadata_proto.CodeMetadata
+	(*CodeMetadata_TargetOwnership)(nil), // 1: code_metadata_proto.CodeMetadata.TargetOwnership
+}
+var file_code_metadata_proto_depIdxs = []int32{
+	1, // 0: code_metadata_proto.CodeMetadata.target_ownership_list:type_name -> code_metadata_proto.CodeMetadata.TargetOwnership
+	1, // [1:1] is the sub-list for method output_type
+	1, // [1:1] is the sub-list for method input_type
+	1, // [1:1] is the sub-list for extension type_name
+	1, // [1:1] is the sub-list for extension extendee
+	0, // [0:1] is the sub-list for field type_name
+}
+
+func init() { file_code_metadata_proto_init() }
+func file_code_metadata_proto_init() {
+	if File_code_metadata_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_code_metadata_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CodeMetadata); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_code_metadata_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CodeMetadata_TargetOwnership); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_code_metadata_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_code_metadata_proto_goTypes,
+		DependencyIndexes: file_code_metadata_proto_depIdxs,
+		MessageInfos:      file_code_metadata_proto_msgTypes,
+	}.Build()
+	File_code_metadata_proto = out.File
+	file_code_metadata_proto_rawDesc = nil
+	file_code_metadata_proto_goTypes = nil
+	file_code_metadata_proto_depIdxs = nil
+}

testing/code_metadata_proto/code_metadata.proto

@@ -0,0 +1,37 @@
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+syntax = "proto2";
+package code_metadata_proto;
+option go_package = "android/soong/testing/code_metadata_proto";
+
+message CodeMetadata {
+
+  message TargetOwnership {
+    // REQUIRED: Name of the build target
+    optional string target_name = 1;
+
+    // REQUIRED: Code location of the target.
+    // To be used to support legacy/backup systems that use OWNERS file and is
+    // also required for our dashboard to support per code location basis UI
+    optional string path = 2;
+
+    // REQUIRED: Team ID of the team that owns this target.
+    optional string trendy_team_id = 3;
+
+    // OPTIONAL: The src files of the target.
+    // To be used to determine ownership of a file for ownership
+    repeated string source_files = 4;
+  }
+
+  // List of all code targets and their metadata.
+  repeated TargetOwnership target_ownership_list = 1;
+}

testing/code_metadata_proto/go.mod

@@ -0,0 +1,3 @@
+module android/soong/testing/code_metadata_proto
+
+go 1.18

testing/code_metadata_proto/regen.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+aprotoc --go_out=paths=source_relative:. code_metadata.proto

testing/init.go

@@ -28,6 +28,8 @@ func init() {
 }
 
 func RegisterBuildComponents(ctx android.RegistrationContext) {
+	ctx.RegisterModuleType("code_metadata", CodeMetadataFactory)
 	ctx.RegisterModuleType("test_spec", TestSpecFactory)
+	ctx.RegisterParallelSingletonType("all_code_metadata", AllCodeMetadataFactory)
 	ctx.RegisterParallelSingletonType("all_test_specs", AllTestSpecsFactory)
 }

testing/test.go

@@ -18,4 +18,4 @@ import (
 	"android/soong/android"
 )
 
-var PrepareForTestWithTestSpecBuildComponents = android.FixtureRegisterWithContext(RegisterBuildComponents)
+var PrepareForTestWithTestingBuildComponents = android.FixtureRegisterWithContext(RegisterBuildComponents)

testing/test_spec_proto/go.mod

@@ -0,0 +1,3 @@
+module android/soong/testing/test_spec_proto
+
+go 1.18