From 4467a29dbb390764f9792ce61af53017d621eb7c Mon Sep 17 00:00:00 2001 From: Lidi Zheng Date: Wed, 6 Apr 2022 09:40:41 -0700 Subject: [PATCH] gcp/observability: implement logging via binarylog (#5196) --- gcp/observability/config.go | 102 ++ gcp/observability/exporting.go | 128 +++ gcp/observability/go.mod | 14 + gcp/observability/go.sum | 462 +++++++++ .../internal/config/config.pb.go | 325 +++++++ .../internal/config/config.proto | 78 ++ .../internal/logging/logging.pb.go | 914 ++++++++++++++++++ .../internal/logging/logging.proto | 153 +++ gcp/observability/logging.go | 347 +++++++ gcp/observability/observability.go | 80 ++ gcp/observability/observability_test.go | 642 ++++++++++++ gcp/observability/tags.go | 46 + gcp/observability/tags_test.go | 64 ++ internal/binarylog/binarylog.go | 76 +- internal/binarylog/env_config.go | 6 +- internal/binarylog/env_config_test.go | 46 +- 16 files changed, 3425 insertions(+), 58 deletions(-) create mode 100644 gcp/observability/config.go create mode 100644 gcp/observability/exporting.go create mode 100644 gcp/observability/go.mod create mode 100644 gcp/observability/go.sum create mode 100644 gcp/observability/internal/config/config.pb.go create mode 100644 gcp/observability/internal/config/config.proto create mode 100644 gcp/observability/internal/logging/logging.pb.go create mode 100644 gcp/observability/internal/logging/logging.proto create mode 100644 gcp/observability/logging.go create mode 100644 gcp/observability/observability.go create mode 100644 gcp/observability/observability_test.go create mode 100644 gcp/observability/tags.go create mode 100644 gcp/observability/tags_test.go diff --git a/gcp/observability/config.go b/gcp/observability/config.go new file mode 100644 index 00000000000..aea2a2db329 --- /dev/null +++ b/gcp/observability/config.go @@ -0,0 +1,102 @@ +/* + * + * Copyright 2022 gRPC authors. + * + * 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 observability + +import ( + "context" + "fmt" + "os" + "regexp" + + gcplogging "cloud.google.com/go/logging" + "golang.org/x/oauth2/google" + configpb "google.golang.org/grpc/observability/internal/config" + "google.golang.org/protobuf/encoding/protojson" +) + +const ( + envObservabilityConfig = "GRPC_CONFIG_OBSERVABILITY" + envProjectID = "GOOGLE_CLOUD_PROJECT" + logFilterPatternRegexpStr = `^([\w./]+)/((?:\w+)|[*])$` +) + +var logFilterPatternRegexp = regexp.MustCompile(logFilterPatternRegexpStr) + +// fetchDefaultProjectID fetches the default GCP project id from environment. +func fetchDefaultProjectID(ctx context.Context) string { + // Step 1: Check ENV var + if s := os.Getenv(envProjectID); s != "" { + logger.Infof("Found project ID from env %v: %v", envProjectID, s) + return s + } + // Step 2: Check default credential + credentials, err := google.FindDefaultCredentials(ctx, gcplogging.WriteScope) + if err != nil { + logger.Infof("Failed to locate Google Default Credential: %v", err) + return "" + } + if credentials.ProjectID == "" { + logger.Infof("Failed to find project ID in default credential: %v", err) + return "" + } + logger.Infof("Found project ID from Google Default Credential: %v", credentials.ProjectID) + return credentials.ProjectID +} + +func validateFilters(config *configpb.ObservabilityConfig) error { + for _, filter := range config.GetLogFilters() { + if filter.Pattern == "*" { + continue + } + match := logFilterPatternRegexp.FindStringSubmatch(filter.Pattern) + if match == nil { + return fmt.Errorf("invalid log filter pattern: %v", filter.Pattern) + } + } + return nil +} + +func parseObservabilityConfig() (*configpb.ObservabilityConfig, error) { + // Parse the config from ENV var + if content := os.Getenv(envObservabilityConfig); content != "" { + var config configpb.ObservabilityConfig + if err := protojson.Unmarshal([]byte(content), &config); err != nil { + return nil, fmt.Errorf("error parsing observability config from env %v: %v", envObservabilityConfig, err) + } + if err := validateFilters(&config); err != nil { + return nil, fmt.Errorf("error parsing observability config: %v", err) + } + logger.Infof("Parsed ObservabilityConfig: %+v", &config) + return &config, nil + } + // If the ENV var doesn't exist, do nothing + return nil, nil +} + +func ensureProjectIDInObservabilityConfig(ctx context.Context, config *configpb.ObservabilityConfig) error { + if config.GetDestinationProjectId() == "" { + // Try to fetch the GCP project id + projectID := fetchDefaultProjectID(ctx) + if projectID == "" { + return fmt.Errorf("empty destination project ID") + } + config.DestinationProjectId = projectID + } + return nil +} diff --git a/gcp/observability/exporting.go b/gcp/observability/exporting.go new file mode 100644 index 00000000000..898f35963ee --- /dev/null +++ b/gcp/observability/exporting.go @@ -0,0 +1,128 @@ +/* + * + * Copyright 2022 gRPC authors. + * + * 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 observability + +import ( + "context" + "encoding/json" + "fmt" + "os" + + gcplogging "cloud.google.com/go/logging" + grpclogrecordpb "google.golang.org/grpc/observability/internal/logging" + "google.golang.org/protobuf/encoding/protojson" +) + +// loggingExporter is the interface of logging exporter for gRPC Observability. +// In future, we might expose this to allow users provide custom exporters. But +// now, it exists for testing purposes. +type loggingExporter interface { + // EmitGrpcLogRecord writes a gRPC LogRecord to cache without blocking. + EmitGrpcLogRecord(*grpclogrecordpb.GrpcLogRecord) + // Close flushes all pending data and closes the exporter. + Close() error +} + +type cloudLoggingExporter struct { + projectID string + client *gcplogging.Client + logger *gcplogging.Logger +} + +func newCloudLoggingExporter(ctx context.Context, projectID string) (*cloudLoggingExporter, error) { + c, err := gcplogging.NewClient(ctx, fmt.Sprintf("projects/%v", projectID)) + if err != nil { + return nil, fmt.Errorf("failed to create cloudLoggingExporter: %v", err) + } + defer logger.Infof("Successfully created cloudLoggingExporter") + customTags := getCustomTags(os.Environ()) + if len(customTags) != 0 { + logger.Infof("Adding custom tags: %+v", customTags) + } + return &cloudLoggingExporter{ + projectID: projectID, + client: c, + logger: c.Logger("grpc", gcplogging.CommonLabels(customTags)), + }, nil +} + +// mapLogLevelToSeverity maps the gRPC defined log level to Cloud Logging's +// Severity. The canonical definition can be found at +// https://cloud.google.com/logging/docs/reference/v2/rest/v2/LogEntry#LogSeverity. +var logLevelToSeverity = map[grpclogrecordpb.GrpcLogRecord_LogLevel]gcplogging.Severity{ + grpclogrecordpb.GrpcLogRecord_LOG_LEVEL_UNKNOWN: 0, + grpclogrecordpb.GrpcLogRecord_LOG_LEVEL_TRACE: 100, // Cloud Logging doesn't have a trace level, treated as DEBUG. + grpclogrecordpb.GrpcLogRecord_LOG_LEVEL_DEBUG: 100, + grpclogrecordpb.GrpcLogRecord_LOG_LEVEL_INFO: 200, + grpclogrecordpb.GrpcLogRecord_LOG_LEVEL_WARN: 400, + grpclogrecordpb.GrpcLogRecord_LOG_LEVEL_ERROR: 500, + grpclogrecordpb.GrpcLogRecord_LOG_LEVEL_CRITICAL: 600, +} + +var protoToJSONOptions = &protojson.MarshalOptions{ + UseProtoNames: true, + UseEnumNumbers: false, +} + +func (cle *cloudLoggingExporter) EmitGrpcLogRecord(l *grpclogrecordpb.GrpcLogRecord) { + // Converts the log record content to a more readable format via protojson. + jsonBytes, err := protoToJSONOptions.Marshal(l) + if err != nil { + logger.Infof("Unable to marshal log record: %v", l) + return + } + var payload map[string]interface{} + err = json.Unmarshal(jsonBytes, &payload) + if err != nil { + logger.Infof("Unable to unmarshal bytes to JSON: %v", jsonBytes) + return + } + entry := gcplogging.Entry{ + Timestamp: l.Timestamp.AsTime(), + Severity: logLevelToSeverity[l.LogLevel], + Payload: payload, + } + cle.logger.Log(entry) + if logger.V(2) { + logger.Infof("Uploading event to CloudLogging: %+v", entry) + } +} + +func (cle *cloudLoggingExporter) Close() error { + var errFlush, errClose error + if cle.logger != nil { + errFlush = cle.logger.Flush() + } + if cle.client != nil { + errClose = cle.client.Close() + } + if errFlush != nil && errClose != nil { + return fmt.Errorf("failed to close exporter. Flush failed: %v; Close failed: %v", errFlush, errClose) + } + if errFlush != nil { + return errFlush + } + if errClose != nil { + return errClose + } + cle.logger = nil + cle.client = nil + logger.Infof("Closed CloudLogging exporter") + return nil +} diff --git a/gcp/observability/go.mod b/gcp/observability/go.mod new file mode 100644 index 00000000000..d622a879e36 --- /dev/null +++ b/gcp/observability/go.mod @@ -0,0 +1,14 @@ +module google.golang.org/grpc/observability + +go 1.14 + +require ( + cloud.google.com/go/logging v1.4.2 + github.com/golang/protobuf v1.5.2 + github.com/google/uuid v1.3.0 + golang.org/x/oauth2 v0.0.0-20211104180415-d3ed0bb246c8 + google.golang.org/grpc v1.43.0 + google.golang.org/protobuf v1.27.1 +) + +replace google.golang.org/grpc => ../../ diff --git a/gcp/observability/go.sum b/gcp/observability/go.sum new file mode 100644 index 00000000000..0f46213edea --- /dev/null +++ b/gcp/observability/go.sum @@ -0,0 +1,462 @@ +cloud.google.com/go v0.34.0/go.mod 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+++ b/gcp/observability/internal/config/config.pb.go @@ -0,0 +1,325 @@ +// Copyright 2022 The gRPC Authors +// +// 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. + +// Observability Config is used by gRPC Observability plugin to control provided +// observability features. It contains parameters to enable/disable certain +// features, or fine tune the verbosity. +// +// Note that gRPC may use this config in JSON form, not in protobuf form. This +// proto definition is intended to help document the schema but might not +// actually be used directly by gRPC. + +// Code generated by protoc-gen-go. DO NOT EDIT. +// versions: +// protoc-gen-go v1.25.0 +// protoc v3.14.0 +// source: gcp/observability/internal/config/config.proto + +package config + +import ( + proto "github.com/golang/protobuf/proto" + 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) +) + +// This is a compile-time assertion that a sufficiently up-to-date version +// of the legacy proto package is being used. +const _ = proto.ProtoPackageIsVersion4 + +// Configuration for observability behaviors. By default, no configuration is +// required for tracing/metrics/logging to function. This config captures the +// most common knobs for gRPC users. It's always possible to override with +// explicit config in code. +type ObservabilityConfig struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // Whether the logging data uploading to CloudLogging should be enabled or + // not. The default value is true. + EnableCloudLogging bool `protobuf:"varint,1,opt,name=enable_cloud_logging,json=enableCloudLogging,proto3" json:"enable_cloud_logging,omitempty"` + // The destination GCP project identifier for the uploading log entries. If + // empty, the gRPC Observability plugin will attempt to fetch the project_id + // from the GCP environment variables, or from the default credentials. + DestinationProjectId string `protobuf:"bytes,2,opt,name=destination_project_id,json=destinationProjectId,proto3" json:"destination_project_id,omitempty"` + // A list of method config. The order matters here - the first pattern which + // matches the current method will apply the associated config options in + // the LogFilter. Any other LogFilter that also matches that comes later + // will be ignored. So a LogFilter of "*/*" should appear last in this list. + LogFilters []*ObservabilityConfig_LogFilter `protobuf:"bytes,3,rep,name=log_filters,json=logFilters,proto3" json:"log_filters,omitempty"` +} + +func (x *ObservabilityConfig) Reset() { + *x = ObservabilityConfig{} + if protoimpl.UnsafeEnabled { + mi := &file_gcp_observability_internal_config_config_proto_msgTypes[0] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *ObservabilityConfig) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*ObservabilityConfig) ProtoMessage() {} + +func (x *ObservabilityConfig) ProtoReflect() protoreflect.Message { + mi := &file_gcp_observability_internal_config_config_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 ObservabilityConfig.ProtoReflect.Descriptor instead. +func (*ObservabilityConfig) Descriptor() ([]byte, []int) { + return file_gcp_observability_internal_config_config_proto_rawDescGZIP(), []int{0} +} + +func (x *ObservabilityConfig) GetEnableCloudLogging() bool { + if x != nil { + return x.EnableCloudLogging + } + return false +} + +func (x *ObservabilityConfig) GetDestinationProjectId() string { + if x != nil { + return x.DestinationProjectId + } + return "" +} + +func (x *ObservabilityConfig) GetLogFilters() []*ObservabilityConfig_LogFilter { + if x != nil { + return x.LogFilters + } + return nil +} + +type ObservabilityConfig_LogFilter struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // Pattern is a string which can select a group of method names. By + // default, the pattern is an empty string, matching no methods. + // + // Only "*" Wildcard is accepted for pattern. A pattern is in the form + // of / or just a character "*" . + // + // If the pattern is "*", it specifies the defaults for all the + // services; If the pattern is /*, it specifies the defaults + // for all methods in the specified service ; If the pattern is + // */, this is not supported. + // + // Examples: + // - "Foo/Bar" selects only the method "Bar" from service "Foo" + // - "Foo/*" selects all methods from service "Foo" + // - "*" selects all methods from all services. + Pattern string `protobuf:"bytes,1,opt,name=pattern,proto3" json:"pattern,omitempty"` + // Number of bytes of each header to log. If the size of the header is + // greater than the defined limit, content pass the limit will be + // truncated. The default value is 0. + HeaderBytes int32 `protobuf:"varint,2,opt,name=header_bytes,json=headerBytes,proto3" json:"header_bytes,omitempty"` + // Number of bytes of each message to log. If the size of the message is + // greater than the defined limit, content pass the limit will be + // truncated. The default value is 0. + MessageBytes int32 `protobuf:"varint,3,opt,name=message_bytes,json=messageBytes,proto3" json:"message_bytes,omitempty"` +} + +func (x *ObservabilityConfig_LogFilter) Reset() { + *x = ObservabilityConfig_LogFilter{} + if protoimpl.UnsafeEnabled { + mi := &file_gcp_observability_internal_config_config_proto_msgTypes[1] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *ObservabilityConfig_LogFilter) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*ObservabilityConfig_LogFilter) ProtoMessage() {} + +func (x *ObservabilityConfig_LogFilter) ProtoReflect() protoreflect.Message { + mi := &file_gcp_observability_internal_config_config_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 ObservabilityConfig_LogFilter.ProtoReflect.Descriptor instead. +func (*ObservabilityConfig_LogFilter) Descriptor() ([]byte, []int) { + return file_gcp_observability_internal_config_config_proto_rawDescGZIP(), []int{0, 0} +} + +func (x *ObservabilityConfig_LogFilter) GetPattern() string { + if x != nil { + return x.Pattern + } + return "" +} + +func (x *ObservabilityConfig_LogFilter) GetHeaderBytes() int32 { + if x != nil { + return x.HeaderBytes + } + return 0 +} + +func (x *ObservabilityConfig_LogFilter) GetMessageBytes() int32 { + if x != nil { + return x.MessageBytes + } + return 0 +} + +var File_gcp_observability_internal_config_config_proto protoreflect.FileDescriptor + +var file_gcp_observability_internal_config_config_proto_rawDesc = []byte{ + 0x0a, 0x2e, 0x67, 0x63, 0x70, 0x2f, 0x6f, 0x62, 0x73, 0x65, 0x72, 0x76, 0x61, 0x62, 0x69, 0x6c, + 0x69, 0x74, 0x79, 0x2f, 0x69, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x61, 0x6c, 0x2f, 0x63, 0x6f, 0x6e, + 0x66, 0x69, 0x67, 0x2f, 0x63, 0x6f, 0x6e, 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grpc.observability.config.v1alpha.ObservabilityConfig + (*ObservabilityConfig_LogFilter)(nil), // 1: grpc.observability.config.v1alpha.ObservabilityConfig.LogFilter +} +var file_gcp_observability_internal_config_config_proto_depIdxs = []int32{ + 1, // 0: grpc.observability.config.v1alpha.ObservabilityConfig.log_filters:type_name -> grpc.observability.config.v1alpha.ObservabilityConfig.LogFilter + 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_gcp_observability_internal_config_config_proto_init() } +func file_gcp_observability_internal_config_config_proto_init() { + if File_gcp_observability_internal_config_config_proto != nil { + return + } + if !protoimpl.UnsafeEnabled { + file_gcp_observability_internal_config_config_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*ObservabilityConfig); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_gcp_observability_internal_config_config_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*ObservabilityConfig_LogFilter); 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_gcp_observability_internal_config_config_proto_rawDesc, + NumEnums: 0, + NumMessages: 2, + NumExtensions: 0, + NumServices: 0, + }, + GoTypes: file_gcp_observability_internal_config_config_proto_goTypes, + DependencyIndexes: file_gcp_observability_internal_config_config_proto_depIdxs, + MessageInfos: file_gcp_observability_internal_config_config_proto_msgTypes, + }.Build() + File_gcp_observability_internal_config_config_proto = out.File + file_gcp_observability_internal_config_config_proto_rawDesc = nil + file_gcp_observability_internal_config_config_proto_goTypes = nil + file_gcp_observability_internal_config_config_proto_depIdxs = nil +} diff --git a/gcp/observability/internal/config/config.proto b/gcp/observability/internal/config/config.proto new file mode 100644 index 00000000000..116300dcd25 --- /dev/null +++ b/gcp/observability/internal/config/config.proto @@ -0,0 +1,78 @@ +// Copyright 2022 The gRPC Authors +// +// 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. + +// Observability Config is used by gRPC Observability plugin to control provided +// observability features. It contains parameters to enable/disable certain +// features, or fine tune the verbosity. +// +// Note that gRPC may use this config in JSON form, not in protobuf form. This +// proto definition is intended to help document the schema but might not +// actually be used directly by gRPC. + +syntax = "proto3"; + +package grpc.observability.config.v1alpha; + +option java_package = "io.grpc.observability.config"; +option java_multiple_files = true; +option java_outer_classname = "ObservabilityConfigProto"; +option go_package = "google.golang.org/grpc/gcp/observability/internal/config"; + +// Configuration for observability behaviors. By default, no configuration is +// required for tracing/metrics/logging to function. This config captures the +// most common knobs for gRPC users. It's always possible to override with +// explicit config in code. +message ObservabilityConfig { + // Whether the logging data uploading to CloudLogging should be enabled or + // not. The default value is true. + bool enable_cloud_logging = 1; + + // The destination GCP project identifier for the uploading log entries. If + // empty, the gRPC Observability plugin will attempt to fetch the project_id + // from the GCP environment variables, or from the default credentials. + string destination_project_id = 2; + + message LogFilter { + // Pattern is a string which can select a group of method names. By + // default, the pattern is an empty string, matching no methods. + // + // Only "*" Wildcard is accepted for pattern. A pattern is in the form + // of / or just a character "*" . + // + // If the pattern is "*", it specifies the defaults for all the + // services; If the pattern is /*, it specifies the defaults + // for all methods in the specified service ; If the pattern is + // */, this is not supported. + // + // Examples: + // - "Foo/Bar" selects only the method "Bar" from service "Foo" + // - "Foo/*" selects all methods from service "Foo" + // - "*" selects all methods from all services. + string pattern = 1; + // Number of bytes of each header to log. If the size of the header is + // greater than the defined limit, content pass the limit will be + // truncated. The default value is 0. + int32 header_bytes = 2; + // Number of bytes of each message to log. If the size of the message is + // greater than the defined limit, content pass the limit will be + // truncated. The default value is 0. + int32 message_bytes = 3; + } + + // A list of method config. The order matters here - the first pattern which + // matches the current method will apply the associated config options in + // the LogFilter. Any other LogFilter that also matches that comes later + // will be ignored. So a LogFilter of "*/*" should appear last in this list. + repeated LogFilter log_filters = 3; +} diff --git a/gcp/observability/internal/logging/logging.pb.go b/gcp/observability/internal/logging/logging.pb.go new file mode 100644 index 00000000000..a47c405759b --- /dev/null +++ b/gcp/observability/internal/logging/logging.pb.go @@ -0,0 +1,914 @@ +// Copyright 2022 The gRPC Authors +// +// 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. + +// Code generated by protoc-gen-go. DO NOT EDIT. +// versions: +// protoc-gen-go v1.25.0 +// protoc v3.14.0 +// source: gcp/observability/internal/logging/logging.proto + +package logging + +import ( + proto "github.com/golang/protobuf/proto" + protoreflect "google.golang.org/protobuf/reflect/protoreflect" + protoimpl "google.golang.org/protobuf/runtime/protoimpl" + durationpb "google.golang.org/protobuf/types/known/durationpb" + timestamppb "google.golang.org/protobuf/types/known/timestamppb" + 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) +) + +// This is a compile-time assertion that a sufficiently up-to-date version +// of the legacy proto package is being used. +const _ = proto.ProtoPackageIsVersion4 + +// List of event types +type GrpcLogRecord_EventType int32 + +const ( + // Unknown event type + GrpcLogRecord_GRPC_CALL_UNKNOWN GrpcLogRecord_EventType = 0 + // Header sent from client to server + GrpcLogRecord_GRPC_CALL_REQUEST_HEADER GrpcLogRecord_EventType = 1 + // Header sent from server to client + GrpcLogRecord_GRPC_CALL_RESPONSE_HEADER GrpcLogRecord_EventType = 2 + // Message sent from client to server + GrpcLogRecord_GRPC_CALL_REQUEST_MESSAGE GrpcLogRecord_EventType = 3 + // Message sent from server to client + GrpcLogRecord_GRPC_CALL_RESPONSE_MESSAGE GrpcLogRecord_EventType = 4 + // Trailer indicates the end of the gRPC call + GrpcLogRecord_GRPC_CALL_TRAILER GrpcLogRecord_EventType = 5 + // A signal that client is done sending + GrpcLogRecord_GRPC_CALL_HALF_CLOSE GrpcLogRecord_EventType = 6 + // A signal that the rpc is canceled + GrpcLogRecord_GRPC_CALL_CANCEL GrpcLogRecord_EventType = 7 +) + +// Enum value maps for GrpcLogRecord_EventType. +var ( + GrpcLogRecord_EventType_name = map[int32]string{ + 0: "GRPC_CALL_UNKNOWN", + 1: "GRPC_CALL_REQUEST_HEADER", + 2: "GRPC_CALL_RESPONSE_HEADER", + 3: "GRPC_CALL_REQUEST_MESSAGE", + 4: "GRPC_CALL_RESPONSE_MESSAGE", + 5: "GRPC_CALL_TRAILER", + 6: "GRPC_CALL_HALF_CLOSE", + 7: "GRPC_CALL_CANCEL", + } + GrpcLogRecord_EventType_value = map[string]int32{ + "GRPC_CALL_UNKNOWN": 0, + "GRPC_CALL_REQUEST_HEADER": 1, + "GRPC_CALL_RESPONSE_HEADER": 2, + "GRPC_CALL_REQUEST_MESSAGE": 3, + "GRPC_CALL_RESPONSE_MESSAGE": 4, + "GRPC_CALL_TRAILER": 5, + "GRPC_CALL_HALF_CLOSE": 6, + "GRPC_CALL_CANCEL": 7, + } +) + +func (x GrpcLogRecord_EventType) Enum() *GrpcLogRecord_EventType { + p := new(GrpcLogRecord_EventType) + *p = x + return p +} + +func (x GrpcLogRecord_EventType) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (GrpcLogRecord_EventType) Descriptor() protoreflect.EnumDescriptor { + return file_gcp_observability_internal_logging_logging_proto_enumTypes[0].Descriptor() +} + +func (GrpcLogRecord_EventType) Type() protoreflect.EnumType { + return &file_gcp_observability_internal_logging_logging_proto_enumTypes[0] +} + +func (x GrpcLogRecord_EventType) Number() protoreflect.EnumNumber { + return protoreflect.EnumNumber(x) +} + +// Deprecated: Use GrpcLogRecord_EventType.Descriptor instead. +func (GrpcLogRecord_EventType) EnumDescriptor() ([]byte, []int) { + return file_gcp_observability_internal_logging_logging_proto_rawDescGZIP(), []int{0, 0} +} + +// The entity that generates the log entry +type GrpcLogRecord_EventLogger int32 + +const ( + GrpcLogRecord_LOGGER_UNKNOWN GrpcLogRecord_EventLogger = 0 + GrpcLogRecord_LOGGER_CLIENT GrpcLogRecord_EventLogger = 1 + GrpcLogRecord_LOGGER_SERVER GrpcLogRecord_EventLogger = 2 +) + +// Enum value maps for GrpcLogRecord_EventLogger. +var ( + GrpcLogRecord_EventLogger_name = map[int32]string{ + 0: "LOGGER_UNKNOWN", + 1: "LOGGER_CLIENT", + 2: "LOGGER_SERVER", + } + GrpcLogRecord_EventLogger_value = map[string]int32{ + "LOGGER_UNKNOWN": 0, + "LOGGER_CLIENT": 1, + "LOGGER_SERVER": 2, + } +) + +func (x GrpcLogRecord_EventLogger) Enum() *GrpcLogRecord_EventLogger { + p := new(GrpcLogRecord_EventLogger) + *p = x + return p +} + +func (x GrpcLogRecord_EventLogger) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (GrpcLogRecord_EventLogger) Descriptor() protoreflect.EnumDescriptor { + return file_gcp_observability_internal_logging_logging_proto_enumTypes[1].Descriptor() +} + +func (GrpcLogRecord_EventLogger) Type() protoreflect.EnumType { + return &file_gcp_observability_internal_logging_logging_proto_enumTypes[1] +} + +func (x GrpcLogRecord_EventLogger) Number() protoreflect.EnumNumber { + return protoreflect.EnumNumber(x) +} + +// Deprecated: Use GrpcLogRecord_EventLogger.Descriptor instead. +func (GrpcLogRecord_EventLogger) EnumDescriptor() ([]byte, []int) { + return file_gcp_observability_internal_logging_logging_proto_rawDescGZIP(), []int{0, 1} +} + +// The log severity level of the log entry +type GrpcLogRecord_LogLevel int32 + +const ( + GrpcLogRecord_LOG_LEVEL_UNKNOWN GrpcLogRecord_LogLevel = 0 + GrpcLogRecord_LOG_LEVEL_TRACE GrpcLogRecord_LogLevel = 1 + GrpcLogRecord_LOG_LEVEL_DEBUG GrpcLogRecord_LogLevel = 2 + GrpcLogRecord_LOG_LEVEL_INFO GrpcLogRecord_LogLevel = 3 + GrpcLogRecord_LOG_LEVEL_WARN GrpcLogRecord_LogLevel = 4 + GrpcLogRecord_LOG_LEVEL_ERROR GrpcLogRecord_LogLevel = 5 + GrpcLogRecord_LOG_LEVEL_CRITICAL GrpcLogRecord_LogLevel = 6 +) + +// Enum value maps for GrpcLogRecord_LogLevel. +var ( + GrpcLogRecord_LogLevel_name = map[int32]string{ + 0: "LOG_LEVEL_UNKNOWN", + 1: "LOG_LEVEL_TRACE", + 2: "LOG_LEVEL_DEBUG", + 3: "LOG_LEVEL_INFO", + 4: "LOG_LEVEL_WARN", + 5: "LOG_LEVEL_ERROR", + 6: "LOG_LEVEL_CRITICAL", + } + GrpcLogRecord_LogLevel_value = map[string]int32{ + "LOG_LEVEL_UNKNOWN": 0, + "LOG_LEVEL_TRACE": 1, + "LOG_LEVEL_DEBUG": 2, + "LOG_LEVEL_INFO": 3, + "LOG_LEVEL_WARN": 4, + "LOG_LEVEL_ERROR": 5, + "LOG_LEVEL_CRITICAL": 6, + } +) + +func (x GrpcLogRecord_LogLevel) Enum() *GrpcLogRecord_LogLevel { + p := new(GrpcLogRecord_LogLevel) + *p = x + return p +} + +func (x GrpcLogRecord_LogLevel) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (GrpcLogRecord_LogLevel) Descriptor() protoreflect.EnumDescriptor { + return file_gcp_observability_internal_logging_logging_proto_enumTypes[2].Descriptor() +} + +func (GrpcLogRecord_LogLevel) Type() protoreflect.EnumType { + return &file_gcp_observability_internal_logging_logging_proto_enumTypes[2] +} + +func (x GrpcLogRecord_LogLevel) Number() protoreflect.EnumNumber { + return protoreflect.EnumNumber(x) +} + +// Deprecated: Use GrpcLogRecord_LogLevel.Descriptor instead. +func (GrpcLogRecord_LogLevel) EnumDescriptor() ([]byte, []int) { + return file_gcp_observability_internal_logging_logging_proto_rawDescGZIP(), []int{0, 2} +} + +type GrpcLogRecord_Address_Type int32 + +const ( + GrpcLogRecord_Address_TYPE_UNKNOWN GrpcLogRecord_Address_Type = 0 + GrpcLogRecord_Address_TYPE_IPV4 GrpcLogRecord_Address_Type = 1 // in 1.2.3.4 form + GrpcLogRecord_Address_TYPE_IPV6 GrpcLogRecord_Address_Type = 2 // IPv6 canonical form (RFC5952 section 4) + GrpcLogRecord_Address_TYPE_UNIX GrpcLogRecord_Address_Type = 3 // UDS string +) + +// Enum value maps for GrpcLogRecord_Address_Type. +var ( + GrpcLogRecord_Address_Type_name = map[int32]string{ + 0: "TYPE_UNKNOWN", + 1: "TYPE_IPV4", + 2: "TYPE_IPV6", + 3: "TYPE_UNIX", + } + GrpcLogRecord_Address_Type_value = map[string]int32{ + "TYPE_UNKNOWN": 0, + "TYPE_IPV4": 1, + "TYPE_IPV6": 2, + "TYPE_UNIX": 3, + } +) + +func (x GrpcLogRecord_Address_Type) Enum() *GrpcLogRecord_Address_Type { + p := new(GrpcLogRecord_Address_Type) + *p = x + return p +} + +func (x GrpcLogRecord_Address_Type) String() string { + return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x)) +} + +func (GrpcLogRecord_Address_Type) Descriptor() protoreflect.EnumDescriptor { + return file_gcp_observability_internal_logging_logging_proto_enumTypes[3].Descriptor() +} + +func (GrpcLogRecord_Address_Type) Type() protoreflect.EnumType { + return &file_gcp_observability_internal_logging_logging_proto_enumTypes[3] +} + +func (x GrpcLogRecord_Address_Type) Number() protoreflect.EnumNumber { + return protoreflect.EnumNumber(x) +} + +// Deprecated: Use GrpcLogRecord_Address_Type.Descriptor instead. +func (GrpcLogRecord_Address_Type) EnumDescriptor() ([]byte, []int) { + return file_gcp_observability_internal_logging_logging_proto_rawDescGZIP(), []int{0, 2, 0} +} + +type GrpcLogRecord struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + // The timestamp of the log event + Timestamp *timestamppb.Timestamp `protobuf:"bytes,1,opt,name=timestamp,proto3" json:"timestamp,omitempty"` + // Uniquely identifies a call. The value must not be 0 in order to disambiguate + // from an unset value. + // Each call may have several log entries. They will all have the same rpc_id. + // Nothing is guaranteed about their value other than they are unique across + // different RPCs in the same gRPC process. + RpcId string `protobuf:"bytes,2,opt,name=rpc_id,json=rpcId,proto3" json:"rpc_id,omitempty"` + EventType GrpcLogRecord_EventType `protobuf:"varint,3,opt,name=event_type,json=eventType,proto3,enum=grpc.observability.logging.v1.GrpcLogRecord_EventType" json:"event_type,omitempty"` // one of the above EventType enum + EventLogger GrpcLogRecord_EventLogger `protobuf:"varint,4,opt,name=event_logger,json=eventLogger,proto3,enum=grpc.observability.logging.v1.GrpcLogRecord_EventLogger" json:"event_logger,omitempty"` // one of the above EventLogger enum + // the name of the service + ServiceName string `protobuf:"bytes,5,opt,name=service_name,json=serviceName,proto3" json:"service_name,omitempty"` + // the name of the RPC method + MethodName string `protobuf:"bytes,6,opt,name=method_name,json=methodName,proto3" json:"method_name,omitempty"` + LogLevel GrpcLogRecord_LogLevel `protobuf:"varint,7,opt,name=log_level,json=logLevel,proto3,enum=grpc.observability.logging.v1.GrpcLogRecord_LogLevel" json:"log_level,omitempty"` // one of the above LogLevel enum + // Peer address information. On client side, peer is logged on server + // header event or trailer event (if trailer-only). On server side, peer + // is always logged on the client header event. + PeerAddress *GrpcLogRecord_Address `protobuf:"bytes,8,opt,name=peer_address,json=peerAddress,proto3" json:"peer_address,omitempty"` + // the RPC timeout value + Timeout *durationpb.Duration `protobuf:"bytes,11,opt,name=timeout,proto3" json:"timeout,omitempty"` + // A single process may be used to run multiple virtual servers with + // different identities. + // The authority is the name of such a server identify. It is typically a + // portion of the URI in the form of or :. + Authority string `protobuf:"bytes,12,opt,name=authority,proto3" json:"authority,omitempty"` + // Size of the message or metadata, depending on the event type, + // regardless of whether the full message or metadata is being logged + // (i.e. could be truncated or omitted). + PayloadSize uint32 `protobuf:"varint,13,opt,name=payload_size,json=payloadSize,proto3" json:"payload_size,omitempty"` + // true if message or metadata field is either truncated or omitted due + // to config options + PayloadTruncated bool `protobuf:"varint,14,opt,name=payload_truncated,json=payloadTruncated,proto3" json:"payload_truncated,omitempty"` + // Used by header event or trailer event + Metadata *GrpcLogRecord_Metadata `protobuf:"bytes,15,opt,name=metadata,proto3" json:"metadata,omitempty"` + // The entry sequence ID for this call. The first message has a value of 1, + // to disambiguate from an unset value. The purpose of this field is to + // detect missing entries in environments where durability or ordering is + // not guaranteed. + SequenceId uint64 `protobuf:"varint,16,opt,name=sequence_id,json=sequenceId,proto3" json:"sequence_id,omitempty"` + // Used by message event + Message []byte `protobuf:"bytes,17,opt,name=message,proto3" json:"message,omitempty"` + // The gRPC status code + StatusCode uint32 `protobuf:"varint,18,opt,name=status_code,json=statusCode,proto3" json:"status_code,omitempty"` + // The gRPC status message + StatusMessage string `protobuf:"bytes,19,opt,name=status_message,json=statusMessage,proto3" json:"status_message,omitempty"` + // The value of the grpc-status-details-bin metadata key, if any. + // This is always an encoded google.rpc.Status message + StatusDetails []byte `protobuf:"bytes,20,opt,name=status_details,json=statusDetails,proto3" json:"status_details,omitempty"` +} + +func (x *GrpcLogRecord) Reset() { + *x = GrpcLogRecord{} + if protoimpl.UnsafeEnabled { + mi := &file_gcp_observability_internal_logging_logging_proto_msgTypes[0] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *GrpcLogRecord) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*GrpcLogRecord) ProtoMessage() {} + +func (x *GrpcLogRecord) ProtoReflect() protoreflect.Message { + mi := &file_gcp_observability_internal_logging_logging_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 GrpcLogRecord.ProtoReflect.Descriptor instead. +func (*GrpcLogRecord) Descriptor() ([]byte, []int) { + return file_gcp_observability_internal_logging_logging_proto_rawDescGZIP(), []int{0} +} + +func (x *GrpcLogRecord) GetTimestamp() *timestamppb.Timestamp { + if x != nil { + return x.Timestamp + } + return nil +} + +func (x *GrpcLogRecord) GetRpcId() string { + if x != nil { + return x.RpcId + } + return "" +} + +func (x *GrpcLogRecord) GetEventType() GrpcLogRecord_EventType { + if x != nil { + return x.EventType + } + return GrpcLogRecord_GRPC_CALL_UNKNOWN +} + +func (x *GrpcLogRecord) GetEventLogger() GrpcLogRecord_EventLogger { + if x != nil { + return x.EventLogger + } + return GrpcLogRecord_LOGGER_UNKNOWN +} + +func (x *GrpcLogRecord) GetServiceName() string { + if x != nil { + return x.ServiceName + } + return "" +} + +func (x *GrpcLogRecord) GetMethodName() string { + if x != nil { + return x.MethodName + } + return "" +} + +func (x *GrpcLogRecord) GetLogLevel() GrpcLogRecord_LogLevel { + if x != nil { + return x.LogLevel + } + return GrpcLogRecord_LOG_LEVEL_UNKNOWN +} + +func (x *GrpcLogRecord) GetPeerAddress() *GrpcLogRecord_Address { + if x != nil { + return x.PeerAddress + } + return nil +} + +func (x *GrpcLogRecord) GetTimeout() *durationpb.Duration { + if x != nil { + return x.Timeout + } + return nil +} + +func (x *GrpcLogRecord) GetAuthority() string { + if x != nil { + return x.Authority + } + return "" +} + +func (x *GrpcLogRecord) GetPayloadSize() uint32 { + if x != nil { + return x.PayloadSize + } + return 0 +} + +func (x *GrpcLogRecord) GetPayloadTruncated() bool { + if x != nil { + return x.PayloadTruncated + } + return false +} + +func (x *GrpcLogRecord) GetMetadata() *GrpcLogRecord_Metadata { + if x != nil { + return x.Metadata + } + return nil +} + +func (x *GrpcLogRecord) GetSequenceId() uint64 { + if x != nil { + return x.SequenceId + } + return 0 +} + +func (x *GrpcLogRecord) GetMessage() []byte { + if x != nil { + return x.Message + } + return nil +} + +func (x *GrpcLogRecord) GetStatusCode() uint32 { + if x != nil { + return x.StatusCode + } + return 0 +} + +func (x *GrpcLogRecord) GetStatusMessage() string { + if x != nil { + return x.StatusMessage + } + return "" +} + +func (x *GrpcLogRecord) GetStatusDetails() []byte { + if x != nil { + return x.StatusDetails + } + return nil +} + +// A list of metadata pairs +type GrpcLogRecord_Metadata struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + Entry []*GrpcLogRecord_MetadataEntry `protobuf:"bytes,1,rep,name=entry,proto3" json:"entry,omitempty"` +} + +func (x *GrpcLogRecord_Metadata) Reset() { + *x = GrpcLogRecord_Metadata{} + if protoimpl.UnsafeEnabled { + mi := &file_gcp_observability_internal_logging_logging_proto_msgTypes[1] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *GrpcLogRecord_Metadata) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*GrpcLogRecord_Metadata) ProtoMessage() {} + +func (x *GrpcLogRecord_Metadata) ProtoReflect() protoreflect.Message { + mi := &file_gcp_observability_internal_logging_logging_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 GrpcLogRecord_Metadata.ProtoReflect.Descriptor instead. +func (*GrpcLogRecord_Metadata) Descriptor() ([]byte, []int) { + return file_gcp_observability_internal_logging_logging_proto_rawDescGZIP(), []int{0, 0} +} + +func (x *GrpcLogRecord_Metadata) GetEntry() []*GrpcLogRecord_MetadataEntry { + if x != nil { + return x.Entry + } + return nil +} + +// One metadata key value pair +type GrpcLogRecord_MetadataEntry struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + Key string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"` + Value []byte `protobuf:"bytes,2,opt,name=value,proto3" json:"value,omitempty"` +} + +func (x *GrpcLogRecord_MetadataEntry) Reset() { + *x = GrpcLogRecord_MetadataEntry{} + if protoimpl.UnsafeEnabled { + mi := &file_gcp_observability_internal_logging_logging_proto_msgTypes[2] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *GrpcLogRecord_MetadataEntry) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*GrpcLogRecord_MetadataEntry) ProtoMessage() {} + +func (x *GrpcLogRecord_MetadataEntry) ProtoReflect() protoreflect.Message { + mi := &file_gcp_observability_internal_logging_logging_proto_msgTypes[2] + 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 GrpcLogRecord_MetadataEntry.ProtoReflect.Descriptor instead. +func (*GrpcLogRecord_MetadataEntry) Descriptor() ([]byte, []int) { + return file_gcp_observability_internal_logging_logging_proto_rawDescGZIP(), []int{0, 1} +} + +func (x *GrpcLogRecord_MetadataEntry) GetKey() string { + if x != nil { + return x.Key + } + return "" +} + +func (x *GrpcLogRecord_MetadataEntry) GetValue() []byte { + if x != nil { + return x.Value + } + return nil +} + +// Address information +type GrpcLogRecord_Address struct { + state protoimpl.MessageState + sizeCache protoimpl.SizeCache + unknownFields protoimpl.UnknownFields + + Type GrpcLogRecord_Address_Type `protobuf:"varint,1,opt,name=type,proto3,enum=grpc.observability.logging.v1.GrpcLogRecord_Address_Type" json:"type,omitempty"` + Address string `protobuf:"bytes,2,opt,name=address,proto3" json:"address,omitempty"` + // only for TYPE_IPV4 and TYPE_IPV6 + IpPort uint32 `protobuf:"varint,3,opt,name=ip_port,json=ipPort,proto3" json:"ip_port,omitempty"` +} + +func (x *GrpcLogRecord_Address) Reset() { + *x = GrpcLogRecord_Address{} + if protoimpl.UnsafeEnabled { + mi := &file_gcp_observability_internal_logging_logging_proto_msgTypes[3] + ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x)) + ms.StoreMessageInfo(mi) + } +} + +func (x *GrpcLogRecord_Address) String() string { + return protoimpl.X.MessageStringOf(x) +} + +func (*GrpcLogRecord_Address) ProtoMessage() {} + +func (x *GrpcLogRecord_Address) ProtoReflect() protoreflect.Message { + mi := &file_gcp_observability_internal_logging_logging_proto_msgTypes[3] + 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 GrpcLogRecord_Address.ProtoReflect.Descriptor instead. +func (*GrpcLogRecord_Address) Descriptor() ([]byte, []int) { + return file_gcp_observability_internal_logging_logging_proto_rawDescGZIP(), []int{0, 2} +} + +func (x *GrpcLogRecord_Address) GetType() GrpcLogRecord_Address_Type { + if x != nil { + return x.Type + } + return GrpcLogRecord_Address_TYPE_UNKNOWN +} + +func (x *GrpcLogRecord_Address) GetAddress() string { + if x != nil { + return x.Address + } + return "" +} + +func 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file_gcp_observability_internal_logging_logging_proto_rawDesc +) + +func file_gcp_observability_internal_logging_logging_proto_rawDescGZIP() []byte { + file_gcp_observability_internal_logging_logging_proto_rawDescOnce.Do(func() { + file_gcp_observability_internal_logging_logging_proto_rawDescData = protoimpl.X.CompressGZIP(file_gcp_observability_internal_logging_logging_proto_rawDescData) + }) + return file_gcp_observability_internal_logging_logging_proto_rawDescData +} + +var file_gcp_observability_internal_logging_logging_proto_enumTypes = make([]protoimpl.EnumInfo, 4) +var file_gcp_observability_internal_logging_logging_proto_msgTypes = make([]protoimpl.MessageInfo, 4) +var file_gcp_observability_internal_logging_logging_proto_goTypes = []interface{}{ + (GrpcLogRecord_EventType)(0), // 0: grpc.observability.logging.v1.GrpcLogRecord.EventType + (GrpcLogRecord_EventLogger)(0), // 1: grpc.observability.logging.v1.GrpcLogRecord.EventLogger + (GrpcLogRecord_LogLevel)(0), // 2: grpc.observability.logging.v1.GrpcLogRecord.LogLevel + (GrpcLogRecord_Address_Type)(0), // 3: grpc.observability.logging.v1.GrpcLogRecord.Address.Type + (*GrpcLogRecord)(nil), // 4: grpc.observability.logging.v1.GrpcLogRecord + (*GrpcLogRecord_Metadata)(nil), // 5: grpc.observability.logging.v1.GrpcLogRecord.Metadata + (*GrpcLogRecord_MetadataEntry)(nil), // 6: grpc.observability.logging.v1.GrpcLogRecord.MetadataEntry + (*GrpcLogRecord_Address)(nil), // 7: grpc.observability.logging.v1.GrpcLogRecord.Address + (*timestamppb.Timestamp)(nil), // 8: google.protobuf.Timestamp + (*durationpb.Duration)(nil), // 9: google.protobuf.Duration +} +var file_gcp_observability_internal_logging_logging_proto_depIdxs = []int32{ + 8, // 0: grpc.observability.logging.v1.GrpcLogRecord.timestamp:type_name -> google.protobuf.Timestamp + 0, // 1: grpc.observability.logging.v1.GrpcLogRecord.event_type:type_name -> grpc.observability.logging.v1.GrpcLogRecord.EventType + 1, // 2: grpc.observability.logging.v1.GrpcLogRecord.event_logger:type_name -> grpc.observability.logging.v1.GrpcLogRecord.EventLogger + 2, // 3: grpc.observability.logging.v1.GrpcLogRecord.log_level:type_name -> grpc.observability.logging.v1.GrpcLogRecord.LogLevel + 7, // 4: grpc.observability.logging.v1.GrpcLogRecord.peer_address:type_name -> grpc.observability.logging.v1.GrpcLogRecord.Address + 9, // 5: grpc.observability.logging.v1.GrpcLogRecord.timeout:type_name -> google.protobuf.Duration + 5, // 6: grpc.observability.logging.v1.GrpcLogRecord.metadata:type_name -> grpc.observability.logging.v1.GrpcLogRecord.Metadata + 6, // 7: grpc.observability.logging.v1.GrpcLogRecord.Metadata.entry:type_name -> grpc.observability.logging.v1.GrpcLogRecord.MetadataEntry + 3, // 8: grpc.observability.logging.v1.GrpcLogRecord.Address.type:type_name -> grpc.observability.logging.v1.GrpcLogRecord.Address.Type + 9, // [9:9] is the sub-list for method output_type + 9, // [9:9] is the sub-list for method input_type + 9, // [9:9] is the sub-list for extension type_name + 9, // [9:9] is the sub-list for extension extendee + 0, // [0:9] is the sub-list for field type_name +} + +func init() { file_gcp_observability_internal_logging_logging_proto_init() } +func file_gcp_observability_internal_logging_logging_proto_init() { + if File_gcp_observability_internal_logging_logging_proto != nil { + return + } + if !protoimpl.UnsafeEnabled { + file_gcp_observability_internal_logging_logging_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*GrpcLogRecord); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_gcp_observability_internal_logging_logging_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*GrpcLogRecord_Metadata); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_gcp_observability_internal_logging_logging_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*GrpcLogRecord_MetadataEntry); i { + case 0: + return &v.state + case 1: + return &v.sizeCache + case 2: + return &v.unknownFields + default: + return nil + } + } + file_gcp_observability_internal_logging_logging_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} { + switch v := v.(*GrpcLogRecord_Address); 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_gcp_observability_internal_logging_logging_proto_rawDesc, + NumEnums: 4, + NumMessages: 4, + NumExtensions: 0, + NumServices: 0, + }, + GoTypes: file_gcp_observability_internal_logging_logging_proto_goTypes, + DependencyIndexes: file_gcp_observability_internal_logging_logging_proto_depIdxs, + EnumInfos: file_gcp_observability_internal_logging_logging_proto_enumTypes, + MessageInfos: file_gcp_observability_internal_logging_logging_proto_msgTypes, + }.Build() + File_gcp_observability_internal_logging_logging_proto = out.File + file_gcp_observability_internal_logging_logging_proto_rawDesc = nil + file_gcp_observability_internal_logging_logging_proto_goTypes = nil + file_gcp_observability_internal_logging_logging_proto_depIdxs = nil +} diff --git a/gcp/observability/internal/logging/logging.proto b/gcp/observability/internal/logging/logging.proto new file mode 100644 index 00000000000..206d953a9ca --- /dev/null +++ b/gcp/observability/internal/logging/logging.proto @@ -0,0 +1,153 @@ +// Copyright 2022 The gRPC Authors +// +// 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. + +syntax = "proto3"; + +package grpc.observability.logging.v1; + +import "google/protobuf/duration.proto"; +import "google/protobuf/timestamp.proto"; + +option java_package = "io.grpc.observability.logging"; +option java_multiple_files = true; +option java_outer_classname = "ObservabilityLoggingProto"; +option go_package = "google.golang.org/grpc/gcp/observability/internal/logging"; + +message GrpcLogRecord { + // List of event types + enum EventType { + // Unknown event type + GRPC_CALL_UNKNOWN = 0; + // Header sent from client to server + GRPC_CALL_REQUEST_HEADER = 1; + // Header sent from server to client + GRPC_CALL_RESPONSE_HEADER = 2; + // Message sent from client to server + GRPC_CALL_REQUEST_MESSAGE = 3; + // Message sent from server to client + GRPC_CALL_RESPONSE_MESSAGE = 4; + // Trailer indicates the end of the gRPC call + GRPC_CALL_TRAILER = 5; + // A signal that client is done sending + GRPC_CALL_HALF_CLOSE = 6; + // A signal that the rpc is canceled + GRPC_CALL_CANCEL = 7; + } + // The entity that generates the log entry + enum EventLogger { + LOGGER_UNKNOWN = 0; + LOGGER_CLIENT = 1; + LOGGER_SERVER = 2; + } + // The log severity level of the log entry + enum LogLevel { + LOG_LEVEL_UNKNOWN = 0; + LOG_LEVEL_TRACE = 1; + LOG_LEVEL_DEBUG = 2; + LOG_LEVEL_INFO = 3; + LOG_LEVEL_WARN = 4; + LOG_LEVEL_ERROR = 5; + LOG_LEVEL_CRITICAL = 6; + } + + // The timestamp of the log event + google.protobuf.Timestamp timestamp = 1; + + // Uniquely identifies a call. The value must not be 0 in order to disambiguate + // from an unset value. + // Each call may have several log entries. They will all have the same rpc_id. + // Nothing is guaranteed about their value other than they are unique across + // different RPCs in the same gRPC process. + string rpc_id = 2; + + EventType event_type = 3; // one of the above EventType enum + EventLogger event_logger = 4; // one of the above EventLogger enum + + // the name of the service + string service_name = 5; + // the name of the RPC method + string method_name = 6; + + LogLevel log_level = 7; // one of the above LogLevel enum + + // Peer address information. On client side, peer is logged on server + // header event or trailer event (if trailer-only). On server side, peer + // is always logged on the client header event. + Address peer_address = 8; + + // the RPC timeout value + google.protobuf.Duration timeout = 11; + + // A single process may be used to run multiple virtual servers with + // different identities. + // The authority is the name of such a server identify. It is typically a + // portion of the URI in the form of or :. + string authority = 12; + + // Size of the message or metadata, depending on the event type, + // regardless of whether the full message or metadata is being logged + // (i.e. could be truncated or omitted). + uint32 payload_size = 13; + + // true if message or metadata field is either truncated or omitted due + // to config options + bool payload_truncated = 14; + + // Used by header event or trailer event + Metadata metadata = 15; + + // The entry sequence ID for this call. The first message has a value of 1, + // to disambiguate from an unset value. The purpose of this field is to + // detect missing entries in environments where durability or ordering is + // not guaranteed. + uint64 sequence_id = 16; + + // Used by message event + bytes message = 17; + + // The gRPC status code + uint32 status_code = 18; + + // The gRPC status message + string status_message = 19; + + // The value of the grpc-status-details-bin metadata key, if any. + // This is always an encoded google.rpc.Status message + bytes status_details = 20; + + // A list of metadata pairs + message Metadata { + repeated MetadataEntry entry = 1; + } + + // One metadata key value pair + message MetadataEntry { + string key = 1; + bytes value = 2; + } + + // Address information + message Address { + enum Type { + TYPE_UNKNOWN = 0; + TYPE_IPV4 = 1; // in 1.2.3.4 form + TYPE_IPV6 = 2; // IPv6 canonical form (RFC5952 section 4) + TYPE_UNIX = 3; // UDS string + } + Type type = 1; + string address = 2; + // only for TYPE_IPV4 and TYPE_IPV6 + uint32 ip_port = 3; + } +} diff --git a/gcp/observability/logging.go b/gcp/observability/logging.go new file mode 100644 index 00000000000..fc9366440e3 --- /dev/null +++ b/gcp/observability/logging.go @@ -0,0 +1,347 @@ +/* + * + * Copyright 2022 gRPC authors. + * + * 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 observability + +import ( + "context" + "fmt" + "strings" + "sync/atomic" + "unsafe" + + "github.com/google/uuid" + binlogpb "google.golang.org/grpc/binarylog/grpc_binarylog_v1" + iblog "google.golang.org/grpc/internal/binarylog" + configpb "google.golang.org/grpc/observability/internal/config" + grpclogrecordpb "google.golang.org/grpc/observability/internal/logging" +) + +// translateMetadata translates the metadata from Binary Logging format to +// its GrpcLogRecord equivalent. +func translateMetadata(m *binlogpb.Metadata) *grpclogrecordpb.GrpcLogRecord_Metadata { + var res grpclogrecordpb.GrpcLogRecord_Metadata + res.Entry = make([]*grpclogrecordpb.GrpcLogRecord_MetadataEntry, len(m.Entry)) + for i, e := range m.Entry { + res.Entry[i] = &grpclogrecordpb.GrpcLogRecord_MetadataEntry{ + Key: e.Key, + Value: e.Value, + } + } + return &res +} + +func setPeerIfPresent(binlogEntry *binlogpb.GrpcLogEntry, grpcLogRecord *grpclogrecordpb.GrpcLogRecord) { + if binlogEntry.GetPeer() != nil { + grpcLogRecord.PeerAddress = &grpclogrecordpb.GrpcLogRecord_Address{ + Type: grpclogrecordpb.GrpcLogRecord_Address_Type(binlogEntry.Peer.Type), + Address: binlogEntry.Peer.Address, + IpPort: binlogEntry.Peer.IpPort, + } + } +} + +var loggerTypeToEventLogger = map[binlogpb.GrpcLogEntry_Logger]grpclogrecordpb.GrpcLogRecord_EventLogger{ + binlogpb.GrpcLogEntry_LOGGER_UNKNOWN: grpclogrecordpb.GrpcLogRecord_LOGGER_UNKNOWN, + binlogpb.GrpcLogEntry_LOGGER_CLIENT: grpclogrecordpb.GrpcLogRecord_LOGGER_CLIENT, + binlogpb.GrpcLogEntry_LOGGER_SERVER: grpclogrecordpb.GrpcLogRecord_LOGGER_SERVER, +} + +type binaryMethodLogger struct { + rpcID, serviceName, methodName string + originalMethodLogger iblog.MethodLogger + childMethodLogger iblog.MethodLogger + exporter loggingExporter +} + +func (ml *binaryMethodLogger) Log(c iblog.LogEntryConfig) { + // Invoke the original MethodLogger to maintain backward compatibility + if ml.originalMethodLogger != nil { + ml.originalMethodLogger.Log(c) + } + + // Fetch the compiled binary logging log entry + if ml.childMethodLogger == nil { + logger.Info("No wrapped method logger found") + return + } + var binlogEntry *binlogpb.GrpcLogEntry + o, ok := ml.childMethodLogger.(interface { + Build(iblog.LogEntryConfig) *binlogpb.GrpcLogEntry + }) + if !ok { + logger.Error("Failed to locate the Build method in wrapped method logger") + return + } + binlogEntry = o.Build(c) + + // Translate to GrpcLogRecord + grpcLogRecord := &grpclogrecordpb.GrpcLogRecord{ + Timestamp: binlogEntry.GetTimestamp(), + RpcId: ml.rpcID, + SequenceId: binlogEntry.GetSequenceIdWithinCall(), + EventLogger: loggerTypeToEventLogger[binlogEntry.Logger], + // Making DEBUG the default LogLevel + LogLevel: grpclogrecordpb.GrpcLogRecord_LOG_LEVEL_DEBUG, + } + + switch binlogEntry.GetType() { + case binlogpb.GrpcLogEntry_EVENT_TYPE_UNKNOWN: + grpcLogRecord.EventType = grpclogrecordpb.GrpcLogRecord_GRPC_CALL_UNKNOWN + case binlogpb.GrpcLogEntry_EVENT_TYPE_CLIENT_HEADER: + grpcLogRecord.EventType = grpclogrecordpb.GrpcLogRecord_GRPC_CALL_REQUEST_HEADER + if binlogEntry.GetClientHeader() != nil { + methodName := binlogEntry.GetClientHeader().MethodName + // Example method name: /grpc.testing.TestService/UnaryCall + if strings.Contains(methodName, "/") { + tokens := strings.Split(methodName, "/") + if len(tokens) == 3 { + // Record service name and method name for all events + ml.serviceName = tokens[1] + ml.methodName = tokens[2] + } else { + logger.Infof("Malformed method name: %v", methodName) + } + } + grpcLogRecord.Timeout = binlogEntry.GetClientHeader().Timeout + grpcLogRecord.Authority = binlogEntry.GetClientHeader().Authority + grpcLogRecord.Metadata = translateMetadata(binlogEntry.GetClientHeader().Metadata) + } + grpcLogRecord.PayloadTruncated = binlogEntry.GetPayloadTruncated() + setPeerIfPresent(binlogEntry, grpcLogRecord) + case binlogpb.GrpcLogEntry_EVENT_TYPE_SERVER_HEADER: + grpcLogRecord.EventType = grpclogrecordpb.GrpcLogRecord_GRPC_CALL_RESPONSE_HEADER + grpcLogRecord.Metadata = translateMetadata(binlogEntry.GetServerHeader().Metadata) + grpcLogRecord.PayloadTruncated = binlogEntry.GetPayloadTruncated() + setPeerIfPresent(binlogEntry, grpcLogRecord) + case binlogpb.GrpcLogEntry_EVENT_TYPE_CLIENT_MESSAGE: + grpcLogRecord.EventType = grpclogrecordpb.GrpcLogRecord_GRPC_CALL_REQUEST_MESSAGE + grpcLogRecord.Message = binlogEntry.GetMessage().GetData() + grpcLogRecord.PayloadSize = binlogEntry.GetMessage().GetLength() + grpcLogRecord.PayloadTruncated = binlogEntry.GetPayloadTruncated() + case binlogpb.GrpcLogEntry_EVENT_TYPE_SERVER_MESSAGE: + grpcLogRecord.EventType = grpclogrecordpb.GrpcLogRecord_GRPC_CALL_RESPONSE_MESSAGE + grpcLogRecord.Message = binlogEntry.GetMessage().GetData() + grpcLogRecord.PayloadSize = binlogEntry.GetMessage().GetLength() + grpcLogRecord.PayloadTruncated = binlogEntry.GetPayloadTruncated() + case binlogpb.GrpcLogEntry_EVENT_TYPE_CLIENT_HALF_CLOSE: + grpcLogRecord.EventType = grpclogrecordpb.GrpcLogRecord_GRPC_CALL_HALF_CLOSE + case binlogpb.GrpcLogEntry_EVENT_TYPE_SERVER_TRAILER: + grpcLogRecord.EventType = grpclogrecordpb.GrpcLogRecord_GRPC_CALL_TRAILER + grpcLogRecord.Metadata = translateMetadata(binlogEntry.GetTrailer().Metadata) + grpcLogRecord.StatusCode = binlogEntry.GetTrailer().GetStatusCode() + grpcLogRecord.StatusMessage = binlogEntry.GetTrailer().GetStatusMessage() + grpcLogRecord.StatusDetails = binlogEntry.GetTrailer().GetStatusDetails() + grpcLogRecord.PayloadTruncated = binlogEntry.GetPayloadTruncated() + setPeerIfPresent(binlogEntry, grpcLogRecord) + case binlogpb.GrpcLogEntry_EVENT_TYPE_CANCEL: + grpcLogRecord.EventType = grpclogrecordpb.GrpcLogRecord_GRPC_CALL_CANCEL + default: + logger.Infof("Unknown event type: %v", binlogEntry.Type) + return + } + grpcLogRecord.ServiceName = ml.serviceName + grpcLogRecord.MethodName = ml.methodName + ml.exporter.EmitGrpcLogRecord(grpcLogRecord) +} + +type binaryLogger struct { + // originalLogger is needed to ensure binary logging users won't be impacted + // by this plugin. Users are allowed to subscribe to a completely different + // set of methods. + originalLogger iblog.Logger + // exporter is a loggingExporter and the handle for uploading collected data + // to backends. + exporter unsafe.Pointer // loggingExporter + // logger is a iblog.Logger wrapped for reusing the pattern matching logic + // and the method logger creating logic. + logger unsafe.Pointer // iblog.Logger +} + +func (l *binaryLogger) loadExporter() loggingExporter { + ptrPtr := atomic.LoadPointer(&l.exporter) + if ptrPtr == nil { + return nil + } + exporterPtr := (*loggingExporter)(ptrPtr) + return *exporterPtr +} + +func (l *binaryLogger) loadLogger() iblog.Logger { + ptrPtr := atomic.LoadPointer(&l.logger) + if ptrPtr == nil { + return nil + } + loggerPtr := (*iblog.Logger)(ptrPtr) + return *loggerPtr +} + +func (l *binaryLogger) GetMethodLogger(methodName string) iblog.MethodLogger { + var ol iblog.MethodLogger + + if l.originalLogger != nil { + ol = l.originalLogger.GetMethodLogger(methodName) + } + + // If user specify a "*" pattern, binarylog will log every single call and + // content. This means the exporting RPC's events will be captured. Even if + // we batch up the uploads in the exporting RPC, the message content of that + // RPC will be logged. Without this exclusion, we may end up with an ever + // expanding message field in log entries, and crash the process with OOM. + if methodName == "google.logging.v2.LoggingServiceV2/WriteLogEntries" { + return ol + } + + // If no exporter is specified, there is no point creating a method + // logger. We don't have any chance to inject exporter after its + // creation. + exporter := l.loadExporter() + if exporter == nil { + return ol + } + + // If no logger is specified, e.g., during init period, do nothing. + binLogger := l.loadLogger() + if binLogger == nil { + return ol + } + + // If this method is not picked by LoggerConfig, do nothing. + ml := binLogger.GetMethodLogger(methodName) + if ml == nil { + return ol + } + + return &binaryMethodLogger{ + originalMethodLogger: ol, + childMethodLogger: ml, + rpcID: uuid.NewString(), + exporter: exporter, + } +} + +func (l *binaryLogger) Close() { + if l == nil { + return + } + ePtr := atomic.LoadPointer(&l.exporter) + if ePtr != nil { + exporter := (*loggingExporter)(ePtr) + if err := (*exporter).Close(); err != nil { + logger.Infof("Failed to close logging exporter: %v", err) + } + } +} + +func validateExistingMethodLoggerConfig(existing *iblog.MethodLoggerConfig, filter *configpb.ObservabilityConfig_LogFilter) bool { + // In future, we could add more validations. Currently, we only check if the + // new filter configs are different than the existing one, if so, we log a + // warning. + if existing != nil && (existing.Header != uint64(filter.HeaderBytes) || existing.Message != uint64(filter.MessageBytes)) { + logger.Warningf("Ignored log_filter config: %+v", filter) + } + return existing == nil +} + +func createBinaryLoggerConfig(filters []*configpb.ObservabilityConfig_LogFilter) iblog.LoggerConfig { + config := iblog.LoggerConfig{ + Services: make(map[string]*iblog.MethodLoggerConfig), + Methods: make(map[string]*iblog.MethodLoggerConfig), + } + // Try matching the filters one by one, pick the first match. The + // correctness of the log filter pattern is ensured by config.go. + for _, filter := range filters { + if filter.Pattern == "*" { + // Match a "*" + if !validateExistingMethodLoggerConfig(config.All, filter) { + continue + } + config.All = &iblog.MethodLoggerConfig{Header: uint64(filter.HeaderBytes), Message: uint64(filter.MessageBytes)} + continue + } + tokens := strings.SplitN(filter.Pattern, "/", 2) + filterService := tokens[0] + filterMethod := tokens[1] + if filterMethod == "*" { + // Handle "p.s/*" case + if !validateExistingMethodLoggerConfig(config.Services[filterService], filter) { + continue + } + config.Services[filterService] = &iblog.MethodLoggerConfig{Header: uint64(filter.HeaderBytes), Message: uint64(filter.MessageBytes)} + continue + } + // Exact match like "p.s/m" + if !validateExistingMethodLoggerConfig(config.Methods[filter.Pattern], filter) { + continue + } + config.Methods[filter.Pattern] = &iblog.MethodLoggerConfig{Header: uint64(filter.HeaderBytes), Message: uint64(filter.MessageBytes)} + } + return config +} + +// start is the core logic for setting up the custom binary logging logger, and +// it's also useful for testing. +func (l *binaryLogger) start(config *configpb.ObservabilityConfig, exporter loggingExporter) error { + filters := config.GetLogFilters() + if len(filters) == 0 || exporter == nil { + // Doing nothing is allowed + if exporter != nil { + // The exporter is owned by binaryLogger, so we should close it if + // we are not planning to use it. + exporter.Close() + } + logger.Info("Skipping gRPC Observability logger: no config") + return nil + } + + binLogger := iblog.NewLoggerFromConfig(createBinaryLoggerConfig(filters)) + if binLogger != nil { + atomic.StorePointer(&l.logger, unsafe.Pointer(&binLogger)) + } + atomic.StorePointer(&l.exporter, unsafe.Pointer(&exporter)) + logger.Info("Start gRPC Observability logger") + return nil +} + +func (l *binaryLogger) Start(ctx context.Context, config *configpb.ObservabilityConfig) error { + if config == nil || !config.GetEnableCloudLogging() { + return nil + } + if config.GetDestinationProjectId() == "" { + return fmt.Errorf("failed to enable CloudLogging: empty destination_project_id") + } + exporter, err := newCloudLoggingExporter(ctx, config.DestinationProjectId) + if err != nil { + return fmt.Errorf("unable to create CloudLogging exporter: %v", err) + } + l.start(config, exporter) + return nil +} + +func newBinaryLogger(iblogger iblog.Logger) *binaryLogger { + return &binaryLogger{ + originalLogger: iblogger, + } +} + +var defaultLogger *binaryLogger + +func prepareLogging() { + defaultLogger = newBinaryLogger(iblog.GetLogger()) + iblog.SetLogger(defaultLogger) +} diff --git a/gcp/observability/observability.go b/gcp/observability/observability.go new file mode 100644 index 00000000000..b0269249b38 --- /dev/null +++ b/gcp/observability/observability.go @@ -0,0 +1,80 @@ +/* + * + * Copyright 2022 gRPC authors. + * + * 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 observability implements the tracing, metrics, and logging data +// collection, and provides controlling knobs via a config file. +// +// Experimental +// +// Notice: This package is EXPERIMENTAL and may be changed or removed in a +// later release. +package observability + +import ( + "context" + "fmt" + + "google.golang.org/grpc/grpclog" +) + +var logger = grpclog.Component("observability") + +func init() { + prepareLogging() +} + +// Start is the opt-in API for gRPC Observability plugin. This function should +// be invoked in the main function, and before creating any gRPC clients or +// servers, otherwise, they might not be instrumented. At high-level, this +// module does the following: +// +// - it loads observability config from environment; +// - it registers default exporters if not disabled by the config; +// - it sets up binary logging sink against the logging exporter. +// +// Note: this method should only be invoked once. +// Note: currently, the binarylog module only supports one sink, so using the +// "observability" module will conflict with existing binarylog usage. +// Note: handle the error +func Start(ctx context.Context) error { + config, err := parseObservabilityConfig() + if err != nil { + return err + } + if config == nil { + return fmt.Errorf("no ObservabilityConfig found, it can be set via env %s", envObservabilityConfig) + } + + // Set the project ID if it isn't configured manually. + if err := ensureProjectIDInObservabilityConfig(ctx, config); err != nil { + return err + } + + // Logging is controlled by the config at methods level. + return defaultLogger.Start(ctx, config) +} + +// End is the clean-up API for gRPC Observability plugin. It is expected to be +// invoked in the main function of the application. The suggested usage is +// "defer observability.End()". This function also flushes data to upstream, and +// cleanup resources. +// +// Note: this method should only be invoked once. +func End() { + defaultLogger.Close() +} diff --git a/gcp/observability/observability_test.go b/gcp/observability/observability_test.go new file mode 100644 index 00000000000..1785dcd2fa5 --- /dev/null +++ b/gcp/observability/observability_test.go @@ -0,0 +1,642 @@ +/* + * + * Copyright 2022 gRPC authors. + * + * 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 observability + +import ( + "bytes" + "context" + "fmt" + "net" + "os" + "sync" + "testing" + "time" + + "google.golang.org/grpc" + "google.golang.org/grpc/credentials/insecure" + iblog "google.golang.org/grpc/internal/binarylog" + "google.golang.org/grpc/internal/grpctest" + "google.golang.org/grpc/internal/leakcheck" + testgrpc "google.golang.org/grpc/interop/grpc_testing" + testpb "google.golang.org/grpc/interop/grpc_testing" + "google.golang.org/grpc/metadata" + configpb "google.golang.org/grpc/observability/internal/config" + grpclogrecordpb "google.golang.org/grpc/observability/internal/logging" + "google.golang.org/grpc/status" + "google.golang.org/protobuf/encoding/protojson" + "google.golang.org/protobuf/proto" +) + +type s struct { + grpctest.Tester +} + +func Test(t *testing.T) { + grpctest.RunSubTests(t, s{}) +} + +func init() { + // OpenCensus, once included in binary, will spawn a global goroutine + // recorder that is not controllable by application. + // https://github.com/census-instrumentation/opencensus-go/issues/1191 + leakcheck.RegisterIgnoreGoroutine("go.opencensus.io/stats/view.(*worker).start") + // google-cloud-go leaks HTTP client. They are aware of this: + // https://github.com/googleapis/google-cloud-go/issues/1183 + leakcheck.RegisterIgnoreGoroutine("internal/poll.runtime_pollWait") +} + +var ( + defaultTestTimeout = 10 * time.Second + testHeaderMetadata = metadata.MD{"header": []string{"HeADer"}} + testTrailerMetadata = metadata.MD{"trailer": []string{"TrAileR"}} + testOkPayload = []byte{72, 101, 108, 108, 111, 32, 87, 111, 114, 108, 100} + testErrorPayload = []byte{77, 97, 114, 116, 104, 97} + testErrorMessage = "test case injected error" + infinitySizeBytes int32 = 1024 * 1024 * 1024 +) + +type testServer struct { + testgrpc.UnimplementedTestServiceServer +} + +func (s *testServer) UnaryCall(ctx context.Context, in *testpb.SimpleRequest) (*testpb.SimpleResponse, error) { + if err := grpc.SendHeader(ctx, testHeaderMetadata); err != nil { + return nil, status.Errorf(status.Code(err), "grpc.SendHeader(_, %v) = %v, want ", testHeaderMetadata, err) + } + if err := grpc.SetTrailer(ctx, testTrailerMetadata); err != nil { + return nil, status.Errorf(status.Code(err), "grpc.SetTrailer(_, %v) = %v, want ", testTrailerMetadata, err) + } + + if bytes.Equal(in.Payload.Body, testErrorPayload) { + return nil, fmt.Errorf(testErrorMessage) + } + + return &testpb.SimpleResponse{Payload: in.Payload}, nil +} + +type fakeLoggingExporter struct { + t *testing.T + clientEvents []*grpclogrecordpb.GrpcLogRecord + serverEvents []*grpclogrecordpb.GrpcLogRecord + isClosed bool + mu sync.Mutex +} + +func (fle *fakeLoggingExporter) EmitGrpcLogRecord(l *grpclogrecordpb.GrpcLogRecord) { + fle.mu.Lock() + defer fle.mu.Unlock() + switch l.EventLogger { + case grpclogrecordpb.GrpcLogRecord_LOGGER_CLIENT: + fle.clientEvents = append(fle.clientEvents, l) + case grpclogrecordpb.GrpcLogRecord_LOGGER_SERVER: + fle.serverEvents = append(fle.serverEvents, l) + default: + fle.t.Fatalf("unexpected event logger: %v", l.EventLogger) + } + eventJSON, _ := protojson.Marshal(l) + fle.t.Logf("fakeLoggingExporter Emit: %s", eventJSON) +} + +func (fle *fakeLoggingExporter) Close() error { + fle.isClosed = true + return nil +} + +// test is an end-to-end test. It should be created with the newTest +// func, modified as needed, and then started with its startServer method. +// It should be cleaned up with the tearDown method. +type test struct { + t *testing.T + fle *fakeLoggingExporter + + testServer testgrpc.TestServiceServer // nil means none + // srv and srvAddr are set once startServer is called. + srv *grpc.Server + srvAddr string + + cc *grpc.ClientConn // nil until requested via clientConn +} + +func (te *test) tearDown() { + if te.cc != nil { + te.cc.Close() + te.cc = nil + } + te.srv.Stop() + End() + + if !te.fle.isClosed { + te.t.Fatalf("fakeLoggingExporter not closed!") + } +} + +// newTest returns a new test using the provided testing.T and +// environment. It is returned with default values. Tests should +// modify it before calling its startServer and clientConn methods. +func newTest(t *testing.T) *test { + return &test{ + t: t, + fle: &fakeLoggingExporter{t: t}, + } +} + +// startServer starts a gRPC server listening. Callers should defer a +// call to te.tearDown to clean up. +func (te *test) startServer(ts testgrpc.TestServiceServer) { + te.testServer = ts + lis, err := net.Listen("tcp", "localhost:0") + if err != nil { + te.t.Fatalf("Failed to listen: %v", err) + } + var opts []grpc.ServerOption + s := grpc.NewServer(opts...) + te.srv = s + if te.testServer != nil { + testgrpc.RegisterTestServiceServer(s, te.testServer) + } + + go s.Serve(lis) + te.srvAddr = lis.Addr().String() +} + +func (te *test) clientConn() *grpc.ClientConn { + if te.cc != nil { + return te.cc + } + opts := []grpc.DialOption{ + grpc.WithTransportCredentials(insecure.NewCredentials()), + grpc.WithBlock(), + grpc.WithUserAgent("test/0.0.1"), + } + var err error + te.cc, err = grpc.Dial(te.srvAddr, opts...) + if err != nil { + te.t.Fatalf("Dial(%q) = %v", te.srvAddr, err) + } + return te.cc +} + +func (te *test) enablePluginWithConfig(config *configpb.ObservabilityConfig) { + // Injects the fake exporter for testing purposes + defaultLogger = newBinaryLogger(nil) + iblog.SetLogger(defaultLogger) + if err := defaultLogger.start(config, te.fle); err != nil { + te.t.Fatalf("Failed to start plugin: %v", err) + } +} + +func (te *test) enablePluginWithCaptureAll() { + te.enablePluginWithConfig(&configpb.ObservabilityConfig{ + EnableCloudLogging: true, + DestinationProjectId: "fake", + LogFilters: []*configpb.ObservabilityConfig_LogFilter{ + { + Pattern: "*", + HeaderBytes: infinitySizeBytes, + MessageBytes: infinitySizeBytes, + }, + }, + }) +} + +func checkEventCommon(t *testing.T, seen *grpclogrecordpb.GrpcLogRecord) { + if seen.RpcId == "" { + t.Fatalf("expect non-empty RpcId") + } + if seen.SequenceId == 0 { + t.Fatalf("expect non-zero SequenceId") + } +} + +func checkEventRequestHeader(t *testing.T, seen *grpclogrecordpb.GrpcLogRecord, want *grpclogrecordpb.GrpcLogRecord) { + checkEventCommon(t, seen) + if seen.EventType != grpclogrecordpb.GrpcLogRecord_GRPC_CALL_REQUEST_HEADER { + t.Fatalf("got %v, want GrpcLogRecord_GRPC_CALL_REQUEST_HEADER", seen.EventType.String()) + } + if seen.EventLogger != want.EventLogger { + t.Fatalf("l.EventLogger = %v, want %v", seen.EventLogger, want.EventLogger) + } + if want.Authority != "" && seen.Authority != want.Authority { + t.Fatalf("l.Authority = %v, want %v", seen.Authority, want.Authority) + } + if want.ServiceName != "" && seen.ServiceName != want.ServiceName { + t.Fatalf("l.ServiceName = %v, want %v", seen.ServiceName, want.ServiceName) + } + if want.MethodName != "" && seen.MethodName != want.MethodName { + t.Fatalf("l.MethodName = %v, want %v", seen.MethodName, want.MethodName) + } + if len(seen.Metadata.Entry) != 1 { + t.Fatalf("unexpected header size: %v != 1", len(seen.Metadata.Entry)) + } + if seen.Metadata.Entry[0].Key != "header" { + t.Fatalf("unexpected header: %v", seen.Metadata.Entry[0].Key) + } + if !bytes.Equal(seen.Metadata.Entry[0].Value, []byte(testHeaderMetadata["header"][0])) { + t.Fatalf("unexpected header value: %v", seen.Metadata.Entry[0].Value) + } +} + +func checkEventResponseHeader(t *testing.T, seen *grpclogrecordpb.GrpcLogRecord, want *grpclogrecordpb.GrpcLogRecord) { + checkEventCommon(t, seen) + if seen.EventType != grpclogrecordpb.GrpcLogRecord_GRPC_CALL_RESPONSE_HEADER { + t.Fatalf("got %v, want GrpcLogRecord_GRPC_CALL_RESPONSE_HEADER", seen.EventType.String()) + } + if seen.EventLogger != want.EventLogger { + t.Fatalf("l.EventLogger = %v, want %v", seen.EventLogger, want.EventLogger) + } + if len(seen.Metadata.Entry) != 1 { + t.Fatalf("unexpected header size: %v != 1", len(seen.Metadata.Entry)) + } + if seen.Metadata.Entry[0].Key != "header" { + t.Fatalf("unexpected header: %v", seen.Metadata.Entry[0].Key) + } + if !bytes.Equal(seen.Metadata.Entry[0].Value, []byte(testHeaderMetadata["header"][0])) { + t.Fatalf("unexpected header value: %v", seen.Metadata.Entry[0].Value) + } +} + +func checkEventRequestMessage(t *testing.T, seen *grpclogrecordpb.GrpcLogRecord, want *grpclogrecordpb.GrpcLogRecord, payload []byte) { + checkEventCommon(t, seen) + if seen.EventType != grpclogrecordpb.GrpcLogRecord_GRPC_CALL_REQUEST_MESSAGE { + t.Fatalf("got %v, want GrpcLogRecord_GRPC_CALL_REQUEST_MESSAGE", seen.EventType.String()) + } + if seen.EventLogger != want.EventLogger { + t.Fatalf("l.EventLogger = %v, want %v", seen.EventLogger, want.EventLogger) + } + msg := &testpb.SimpleRequest{Payload: &testpb.Payload{Body: payload}} + msgBytes, _ := proto.Marshal(msg) + if !bytes.Equal(seen.Message, msgBytes) { + t.Fatalf("unexpected payload: %v != %v", seen.Message, payload) + } +} + +func checkEventResponseMessage(t *testing.T, seen *grpclogrecordpb.GrpcLogRecord, want *grpclogrecordpb.GrpcLogRecord, payload []byte) { + checkEventCommon(t, seen) + if seen.EventType != grpclogrecordpb.GrpcLogRecord_GRPC_CALL_RESPONSE_MESSAGE { + t.Fatalf("got %v, want GrpcLogRecord_GRPC_CALL_RESPONSE_MESSAGE", seen.EventType.String()) + } + if seen.EventLogger != want.EventLogger { + t.Fatalf("l.EventLogger = %v, want %v", seen.EventLogger, want.EventLogger) + } + msg := &testpb.SimpleResponse{Payload: &testpb.Payload{Body: payload}} + msgBytes, _ := proto.Marshal(msg) + if !bytes.Equal(seen.Message, msgBytes) { + t.Fatalf("unexpected payload: %v != %v", seen.Message, payload) + } +} + +func checkEventTrailer(t *testing.T, seen *grpclogrecordpb.GrpcLogRecord, want *grpclogrecordpb.GrpcLogRecord) { + checkEventCommon(t, seen) + if seen.EventType != grpclogrecordpb.GrpcLogRecord_GRPC_CALL_TRAILER { + t.Fatalf("got %v, want GrpcLogRecord_GRPC_CALL_TRAILER", seen.EventType.String()) + } + if seen.EventLogger != want.EventLogger { + t.Fatalf("l.EventLogger = %v, want %v", seen.EventLogger, want.EventLogger) + } + if seen.StatusCode != want.StatusCode { + t.Fatalf("l.StatusCode = %v, want %v", seen.StatusCode, want.StatusCode) + } + if seen.StatusMessage != want.StatusMessage { + t.Fatalf("l.StatusMessage = %v, want %v", seen.StatusMessage, want.StatusMessage) + } + if !bytes.Equal(seen.StatusDetails, want.StatusDetails) { + t.Fatalf("l.StatusDetails = %v, want %v", seen.StatusDetails, want.StatusDetails) + } + if len(seen.Metadata.Entry) != 1 { + t.Fatalf("unexpected trailer size: %v != 1", len(seen.Metadata.Entry)) + } + if seen.Metadata.Entry[0].Key != "trailer" { + t.Fatalf("unexpected trailer: %v", seen.Metadata.Entry[0].Key) + } + if !bytes.Equal(seen.Metadata.Entry[0].Value, []byte(testTrailerMetadata["trailer"][0])) { + t.Fatalf("unexpected trailer value: %v", seen.Metadata.Entry[0].Value) + } +} + +func (s) TestLoggingForOkCall(t *testing.T) { + te := newTest(t) + defer te.tearDown() + te.enablePluginWithCaptureAll() + te.startServer(&testServer{}) + tc := testgrpc.NewTestServiceClient(te.clientConn()) + + var ( + resp *testpb.SimpleResponse + req *testpb.SimpleRequest + err error + ) + req = &testpb.SimpleRequest{Payload: &testpb.Payload{Body: testOkPayload}} + tCtx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout) + defer cancel() + resp, err = tc.UnaryCall(metadata.NewOutgoingContext(tCtx, testHeaderMetadata), req) + if err != nil { + t.Fatalf("unary call failed: %v", err) + } + t.Logf("unary call passed: %v", resp) + + // Wait for the gRPC transport to gracefully close to ensure no lost event. + te.cc.Close() + te.srv.GracefulStop() + // Check size of events + if len(te.fle.clientEvents) != 5 { + t.Fatalf("expects 5 client events, got %d", len(te.fle.clientEvents)) + } + if len(te.fle.serverEvents) != 5 { + t.Fatalf("expects 5 server events, got %d", len(te.fle.serverEvents)) + } + // Client events + checkEventRequestHeader(te.t, te.fle.clientEvents[0], &grpclogrecordpb.GrpcLogRecord{ + EventLogger: grpclogrecordpb.GrpcLogRecord_LOGGER_CLIENT, + Authority: te.srvAddr, + ServiceName: "grpc.testing.TestService", + MethodName: "UnaryCall", + }) + checkEventRequestMessage(te.t, te.fle.clientEvents[1], &grpclogrecordpb.GrpcLogRecord{ + EventLogger: grpclogrecordpb.GrpcLogRecord_LOGGER_CLIENT, + }, testOkPayload) + checkEventResponseHeader(te.t, te.fle.clientEvents[2], &grpclogrecordpb.GrpcLogRecord{ + EventLogger: grpclogrecordpb.GrpcLogRecord_LOGGER_CLIENT, + }) + checkEventResponseMessage(te.t, te.fle.clientEvents[3], &grpclogrecordpb.GrpcLogRecord{ + EventLogger: grpclogrecordpb.GrpcLogRecord_LOGGER_CLIENT, + }, testOkPayload) + checkEventTrailer(te.t, te.fle.clientEvents[4], &grpclogrecordpb.GrpcLogRecord{ + EventLogger: grpclogrecordpb.GrpcLogRecord_LOGGER_CLIENT, + StatusCode: 0, + }) + // Server events + checkEventRequestHeader(te.t, te.fle.serverEvents[0], &grpclogrecordpb.GrpcLogRecord{ + EventLogger: grpclogrecordpb.GrpcLogRecord_LOGGER_SERVER, + }) + checkEventRequestMessage(te.t, te.fle.serverEvents[1], &grpclogrecordpb.GrpcLogRecord{ + EventLogger: grpclogrecordpb.GrpcLogRecord_LOGGER_SERVER, + }, testOkPayload) + checkEventResponseHeader(te.t, te.fle.serverEvents[2], &grpclogrecordpb.GrpcLogRecord{ + EventLogger: grpclogrecordpb.GrpcLogRecord_LOGGER_SERVER, + }) + checkEventResponseMessage(te.t, te.fle.serverEvents[3], &grpclogrecordpb.GrpcLogRecord{ + EventLogger: grpclogrecordpb.GrpcLogRecord_LOGGER_SERVER, + }, testOkPayload) + checkEventTrailer(te.t, te.fle.serverEvents[4], &grpclogrecordpb.GrpcLogRecord{ + EventLogger: grpclogrecordpb.GrpcLogRecord_LOGGER_SERVER, + StatusCode: 0, + }) +} + +func (s) TestLoggingForErrorCall(t *testing.T) { + te := newTest(t) + defer te.tearDown() + te.enablePluginWithCaptureAll() + te.startServer(&testServer{}) + tc := testgrpc.NewTestServiceClient(te.clientConn()) + + var ( + req *testpb.SimpleRequest + err error + ) + req = &testpb.SimpleRequest{Payload: &testpb.Payload{Body: testErrorPayload}} + tCtx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout) + defer cancel() + _, err = tc.UnaryCall(metadata.NewOutgoingContext(tCtx, testHeaderMetadata), req) + if err == nil { + t.Fatalf("unary call expected to fail, but passed") + } + + // Wait for the gRPC transport to gracefully close to ensure no lost event. + te.cc.Close() + te.srv.GracefulStop() + // Check size of events + if len(te.fle.clientEvents) != 4 { + t.Fatalf("expects 4 client events, got %d", len(te.fle.clientEvents)) + } + if len(te.fle.serverEvents) != 4 { + t.Fatalf("expects 4 server events, got %d", len(te.fle.serverEvents)) + } + // Client events + checkEventRequestHeader(te.t, te.fle.clientEvents[0], &grpclogrecordpb.GrpcLogRecord{ + EventLogger: grpclogrecordpb.GrpcLogRecord_LOGGER_CLIENT, + Authority: te.srvAddr, + ServiceName: "grpc.testing.TestService", + MethodName: "UnaryCall", + }) + checkEventRequestMessage(te.t, te.fle.clientEvents[1], &grpclogrecordpb.GrpcLogRecord{ + EventLogger: grpclogrecordpb.GrpcLogRecord_LOGGER_CLIENT, + }, testErrorPayload) + checkEventResponseHeader(te.t, te.fle.clientEvents[2], &grpclogrecordpb.GrpcLogRecord{ + EventLogger: grpclogrecordpb.GrpcLogRecord_LOGGER_CLIENT, + }) + checkEventTrailer(te.t, te.fle.clientEvents[3], &grpclogrecordpb.GrpcLogRecord{ + EventLogger: grpclogrecordpb.GrpcLogRecord_LOGGER_CLIENT, + StatusCode: 2, + StatusMessage: testErrorMessage, + }) + // Server events + checkEventRequestHeader(te.t, te.fle.serverEvents[0], &grpclogrecordpb.GrpcLogRecord{ + EventLogger: grpclogrecordpb.GrpcLogRecord_LOGGER_SERVER, + }) + checkEventRequestMessage(te.t, te.fle.serverEvents[1], &grpclogrecordpb.GrpcLogRecord{ + EventLogger: grpclogrecordpb.GrpcLogRecord_LOGGER_SERVER, + }, testErrorPayload) + checkEventResponseHeader(te.t, te.fle.serverEvents[2], &grpclogrecordpb.GrpcLogRecord{ + EventLogger: grpclogrecordpb.GrpcLogRecord_LOGGER_SERVER, + }) + checkEventTrailer(te.t, te.fle.serverEvents[3], &grpclogrecordpb.GrpcLogRecord{ + EventLogger: grpclogrecordpb.GrpcLogRecord_LOGGER_SERVER, + StatusCode: 2, + StatusMessage: testErrorMessage, + }) +} + +func (s) TestEmptyConfig(t *testing.T) { + te := newTest(t) + defer te.tearDown() + te.enablePluginWithConfig(&configpb.ObservabilityConfig{}) + te.startServer(&testServer{}) + tc := testgrpc.NewTestServiceClient(te.clientConn()) + + var ( + resp *testpb.SimpleResponse + req *testpb.SimpleRequest + err error + ) + req = &testpb.SimpleRequest{Payload: &testpb.Payload{Body: testOkPayload}} + tCtx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout) + defer cancel() + resp, err = tc.UnaryCall(metadata.NewOutgoingContext(tCtx, testHeaderMetadata), req) + if err != nil { + t.Fatalf("unary call failed: %v", err) + } + t.Logf("unary call passed: %v", resp) + + // Wait for the gRPC transport to gracefully close to ensure no lost event. + te.cc.Close() + te.srv.GracefulStop() + // Check size of events + if len(te.fle.clientEvents) != 0 { + t.Fatalf("expects 0 client events, got %d", len(te.fle.clientEvents)) + } + if len(te.fle.serverEvents) != 0 { + t.Fatalf("expects 0 server events, got %d", len(te.fle.serverEvents)) + } +} + +func (s) TestOverrideConfig(t *testing.T) { + te := newTest(t) + defer te.tearDown() + // Setting 3 filters, expected to use the third filter, because it's the + // most specific one. The third filter allows message payload logging, and + // others disabling the message payload logging. We should observe this + // behavior latter. + te.enablePluginWithConfig(&configpb.ObservabilityConfig{ + EnableCloudLogging: true, + DestinationProjectId: "fake", + LogFilters: []*configpb.ObservabilityConfig_LogFilter{ + { + Pattern: "wont/match", + MessageBytes: 0, + }, + { + Pattern: "*", + MessageBytes: 0, + }, + { + Pattern: "grpc.testing.TestService/*", + MessageBytes: 4096, + }, + }, + }) + te.startServer(&testServer{}) + tc := testgrpc.NewTestServiceClient(te.clientConn()) + + var ( + resp *testpb.SimpleResponse + req *testpb.SimpleRequest + err error + ) + req = &testpb.SimpleRequest{Payload: &testpb.Payload{Body: testOkPayload}} + tCtx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout) + defer cancel() + resp, err = tc.UnaryCall(metadata.NewOutgoingContext(tCtx, testHeaderMetadata), req) + if err != nil { + t.Fatalf("unary call failed: %v", err) + } + t.Logf("unary call passed: %v", resp) + + // Wait for the gRPC transport to gracefully close to ensure no lost event. + te.cc.Close() + te.srv.GracefulStop() + // Check size of events + if len(te.fle.clientEvents) != 5 { + t.Fatalf("expects 5 client events, got %d", len(te.fle.clientEvents)) + } + if len(te.fle.serverEvents) != 5 { + t.Fatalf("expects 5 server events, got %d", len(te.fle.serverEvents)) + } + // Check Client message payloads + checkEventRequestMessage(te.t, te.fle.clientEvents[1], &grpclogrecordpb.GrpcLogRecord{ + EventLogger: grpclogrecordpb.GrpcLogRecord_LOGGER_CLIENT, + }, testOkPayload) + checkEventResponseMessage(te.t, te.fle.clientEvents[3], &grpclogrecordpb.GrpcLogRecord{ + EventLogger: grpclogrecordpb.GrpcLogRecord_LOGGER_CLIENT, + }, testOkPayload) + // Check Server message payloads + checkEventRequestMessage(te.t, te.fle.serverEvents[1], &grpclogrecordpb.GrpcLogRecord{ + EventLogger: grpclogrecordpb.GrpcLogRecord_LOGGER_SERVER, + }, testOkPayload) + checkEventResponseMessage(te.t, te.fle.serverEvents[3], &grpclogrecordpb.GrpcLogRecord{ + EventLogger: grpclogrecordpb.GrpcLogRecord_LOGGER_SERVER, + }, testOkPayload) +} + +func (s) TestNoMatch(t *testing.T) { + te := newTest(t) + defer te.tearDown() + // Setting 3 filters, expected to use the second filter. The second filter + // allows message payload logging, and others disabling the message payload + // logging. We should observe this behavior latter. + te.enablePluginWithConfig(&configpb.ObservabilityConfig{ + EnableCloudLogging: true, + DestinationProjectId: "fake", + LogFilters: []*configpb.ObservabilityConfig_LogFilter{ + { + Pattern: "wont/match", + MessageBytes: 0, + }, + }, + }) + te.startServer(&testServer{}) + tc := testgrpc.NewTestServiceClient(te.clientConn()) + + var ( + resp *testpb.SimpleResponse + req *testpb.SimpleRequest + err error + ) + req = &testpb.SimpleRequest{Payload: &testpb.Payload{Body: testOkPayload}} + tCtx, cancel := context.WithTimeout(context.Background(), defaultTestTimeout) + defer cancel() + resp, err = tc.UnaryCall(metadata.NewOutgoingContext(tCtx, testHeaderMetadata), req) + if err != nil { + t.Fatalf("unary call failed: %v", err) + } + t.Logf("unary call passed: %v", resp) + + // Wait for the gRPC transport to gracefully close to ensure no lost event. + te.cc.Close() + te.srv.GracefulStop() + // Check size of events + if len(te.fle.clientEvents) != 0 { + t.Fatalf("expects 0 client events, got %d", len(te.fle.clientEvents)) + } + if len(te.fle.serverEvents) != 0 { + t.Fatalf("expects 0 server events, got %d", len(te.fle.serverEvents)) + } +} + +func (s) TestRefuseStartWithInvalidPatterns(t *testing.T) { + config := &configpb.ObservabilityConfig{ + EnableCloudLogging: true, + DestinationProjectId: "fake", + LogFilters: []*configpb.ObservabilityConfig_LogFilter{ + { + Pattern: ":-)", + }, + { + Pattern: "*", + }, + }, + } + configJSON, err := protojson.Marshal(config) + if err != nil { + t.Fatalf("failed to convert config to JSON: %v", err) + } + os.Setenv(envObservabilityConfig, string(configJSON)) + // If there is at least one invalid pattern, which should not be silently tolerated. + if err := Start(context.Background()); err == nil { + t.Fatalf("Invalid patterns not triggering error") + } +} + +func (s) TestNoEnvSet(t *testing.T) { + os.Setenv(envObservabilityConfig, "") + // If there is no observability config set at all, the Start should return an error. + if err := Start(context.Background()); err == nil { + t.Fatalf("Invalid patterns not triggering error") + } +} diff --git a/gcp/observability/tags.go b/gcp/observability/tags.go new file mode 100644 index 00000000000..c9a900970ea --- /dev/null +++ b/gcp/observability/tags.go @@ -0,0 +1,46 @@ +/* + * + * Copyright 2022 gRPC authors. + * + * 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 observability + +import ( + "strings" +) + +const ( + envPrefixCustomTags = "GRPC_OBSERVABILITY_" + envPrefixLen = len(envPrefixCustomTags) +) + +func getCustomTags(envs []string) map[string]string { + m := make(map[string]string) + for _, e := range envs { + if !strings.HasPrefix(e, envPrefixCustomTags) { + continue + } + tokens := strings.SplitN(e, "=", 2) + if len(tokens) == 2 { + if len(tokens[0]) == envPrefixLen { + // Empty key is not allowed + continue + } + m[tokens[0][envPrefixLen:]] = tokens[1] + } + } + return m +} diff --git a/gcp/observability/tags_test.go b/gcp/observability/tags_test.go new file mode 100644 index 00000000000..5a0353a0308 --- /dev/null +++ b/gcp/observability/tags_test.go @@ -0,0 +1,64 @@ +/* + * + * Copyright 2022 gRPC authors. + * + * 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 observability + +import ( + "reflect" + "testing" +) + +// TestGetCustomTags tests the normal tags parsing +func (s) TestGetCustomTags(t *testing.T) { + var ( + input = []string{ + "GRPC_OBSERVABILITY_APP_NAME=app1", + "GRPC_OBSERVABILITY_DATACENTER=us-west1-a", + "GRPC_OBSERVABILITY_smallcase=OK", + } + expect = map[string]string{ + "APP_NAME": "app1", + "DATACENTER": "us-west1-a", + "smallcase": "OK", + } + ) + result := getCustomTags(input) + if !reflect.DeepEqual(result, expect) { + t.Errorf("result [%+v] != expect [%+v]", result, expect) + } +} + +// TestGetCustomTagsInvalid tests the invalid cases of tags parsing +func (s) TestGetCustomTagsInvalid(t *testing.T) { + var ( + input = []string{ + "GRPC_OBSERVABILITY_APP_NAME=app1", + "GRPC_OBSERVABILITY=foo", + "GRPC_OBSERVABILITY_=foo", // Users should not set "" as key name + "GRPC_STUFF=foo", + "STUFF_GRPC_OBSERVABILITY_=foo", + } + expect = map[string]string{ + "APP_NAME": "app1", + } + ) + result := getCustomTags(input) + if !reflect.DeepEqual(result, expect) { + t.Errorf("result [%+v] != expect [%+v]", result, expect) + } +} diff --git a/internal/binarylog/binarylog.go b/internal/binarylog/binarylog.go index 66efc4856ff..0a25ce43f3f 100644 --- a/internal/binarylog/binarylog.go +++ b/internal/binarylog/binarylog.go @@ -75,17 +75,29 @@ func init() { binLogger = NewLoggerFromConfigString(configStr) } -type methodLoggerConfig struct { +// MethodLoggerConfig contains the setting for logging behavior of a method +// logger. Currently, it contains the max length of header and message. +type MethodLoggerConfig struct { // Max length of header and message. - hdr, msg uint64 + Header, Message uint64 +} + +// LoggerConfig contains the config for loggers to create method loggers. +type LoggerConfig struct { + All *MethodLoggerConfig + Services map[string]*MethodLoggerConfig + Methods map[string]*MethodLoggerConfig + + Blacklist map[string]struct{} } type logger struct { - all *methodLoggerConfig - services map[string]*methodLoggerConfig - methods map[string]*methodLoggerConfig + config LoggerConfig +} - blacklist map[string]struct{} +// NewLoggerFromConfig builds a logger with the given LoggerConfig. +func NewLoggerFromConfig(config LoggerConfig) Logger { + return &logger{config: config} } // newEmptyLogger creates an empty logger. The map fields need to be filled in @@ -95,57 +107,57 @@ func newEmptyLogger() *logger { } // Set method logger for "*". -func (l *logger) setDefaultMethodLogger(ml *methodLoggerConfig) error { - if l.all != nil { +func (l *logger) setDefaultMethodLogger(ml *MethodLoggerConfig) error { + if l.config.All != nil { return fmt.Errorf("conflicting global rules found") } - l.all = ml + l.config.All = ml return nil } // Set method logger for "service/*". // // New methodLogger with same service overrides the old one. -func (l *logger) setServiceMethodLogger(service string, ml *methodLoggerConfig) error { - if _, ok := l.services[service]; ok { +func (l *logger) setServiceMethodLogger(service string, ml *MethodLoggerConfig) error { + if _, ok := l.config.Services[service]; ok { return fmt.Errorf("conflicting service rules for service %v found", service) } - if l.services == nil { - l.services = make(map[string]*methodLoggerConfig) + if l.config.Services == nil { + l.config.Services = make(map[string]*MethodLoggerConfig) } - l.services[service] = ml + l.config.Services[service] = ml return nil } // Set method logger for "service/method". // // New methodLogger with same method overrides the old one. -func (l *logger) setMethodMethodLogger(method string, ml *methodLoggerConfig) error { - if _, ok := l.blacklist[method]; ok { +func (l *logger) setMethodMethodLogger(method string, ml *MethodLoggerConfig) error { + if _, ok := l.config.Blacklist[method]; ok { return fmt.Errorf("conflicting blacklist rules for method %v found", method) } - if _, ok := l.methods[method]; ok { + if _, ok := l.config.Methods[method]; ok { return fmt.Errorf("conflicting method rules for method %v found", method) } - if l.methods == nil { - l.methods = make(map[string]*methodLoggerConfig) + if l.config.Methods == nil { + l.config.Methods = make(map[string]*MethodLoggerConfig) } - l.methods[method] = ml + l.config.Methods[method] = ml return nil } // Set blacklist method for "-service/method". func (l *logger) setBlacklist(method string) error { - if _, ok := l.blacklist[method]; ok { + if _, ok := l.config.Blacklist[method]; ok { return fmt.Errorf("conflicting blacklist rules for method %v found", method) } - if _, ok := l.methods[method]; ok { + if _, ok := l.config.Methods[method]; ok { return fmt.Errorf("conflicting method rules for method %v found", method) } - if l.blacklist == nil { - l.blacklist = make(map[string]struct{}) + if l.config.Blacklist == nil { + l.config.Blacklist = make(map[string]struct{}) } - l.blacklist[method] = struct{}{} + l.config.Blacklist[method] = struct{}{} return nil } @@ -161,17 +173,17 @@ func (l *logger) GetMethodLogger(methodName string) MethodLogger { grpclogLogger.Infof("binarylogging: failed to parse %q: %v", methodName, err) return nil } - if ml, ok := l.methods[s+"/"+m]; ok { - return newMethodLogger(ml.hdr, ml.msg) + if ml, ok := l.config.Methods[s+"/"+m]; ok { + return newMethodLogger(ml.Header, ml.Message) } - if _, ok := l.blacklist[s+"/"+m]; ok { + if _, ok := l.config.Blacklist[s+"/"+m]; ok { return nil } - if ml, ok := l.services[s]; ok { - return newMethodLogger(ml.hdr, ml.msg) + if ml, ok := l.config.Services[s]; ok { + return newMethodLogger(ml.Header, ml.Message) } - if l.all == nil { + if l.config.All == nil { return nil } - return newMethodLogger(l.all.hdr, l.all.msg) + return newMethodLogger(l.config.All.Header, l.config.All.Message) } diff --git a/internal/binarylog/env_config.go b/internal/binarylog/env_config.go index d8f4e7602fd..ab589a76bf9 100644 --- a/internal/binarylog/env_config.go +++ b/internal/binarylog/env_config.go @@ -89,7 +89,7 @@ func (l *logger) fillMethodLoggerWithConfigString(config string) error { if err != nil { return fmt.Errorf("invalid config: %q, %v", config, err) } - if err := l.setDefaultMethodLogger(&methodLoggerConfig{hdr: hdr, msg: msg}); err != nil { + if err := l.setDefaultMethodLogger(&MethodLoggerConfig{Header: hdr, Message: msg}); err != nil { return fmt.Errorf("invalid config: %v", err) } return nil @@ -104,11 +104,11 @@ func (l *logger) fillMethodLoggerWithConfigString(config string) error { return fmt.Errorf("invalid header/message length config: %q, %v", suffix, err) } if m == "*" { - if err := l.setServiceMethodLogger(s, &methodLoggerConfig{hdr: hdr, msg: msg}); err != nil { + if err := l.setServiceMethodLogger(s, &MethodLoggerConfig{Header: hdr, Message: msg}); err != nil { return fmt.Errorf("invalid config: %v", err) } } else { - if err := l.setMethodMethodLogger(s+"/"+m, &methodLoggerConfig{hdr: hdr, msg: msg}); err != nil { + if err := l.setMethodMethodLogger(s+"/"+m, &MethodLoggerConfig{Header: hdr, Message: msg}); err != nil { return fmt.Errorf("invalid config: %v", err) } } diff --git a/internal/binarylog/env_config_test.go b/internal/binarylog/env_config_test.go index f67b4fd6032..9f888ad870e 100644 --- a/internal/binarylog/env_config_test.go +++ b/internal/binarylog/env_config_test.go @@ -36,29 +36,29 @@ func (s) TestNewLoggerFromConfigString(t *testing.T) { c := fmt.Sprintf("*{h:1;m:2},%s{h},%s{m},%s{h;m}", s1+"/*", fullM1, fullM2) l := NewLoggerFromConfigString(c).(*logger) - if l.all.hdr != 1 || l.all.msg != 2 { - t.Errorf("l.all = %#v, want headerLen: 1, messageLen: 2", l.all) + if l.config.All.Header != 1 || l.config.All.Message != 2 { + t.Errorf("l.config.All = %#v, want headerLen: 1, messageLen: 2", l.config.All) } - if ml, ok := l.services[s1]; ok { - if ml.hdr != maxUInt || ml.msg != 0 { - t.Errorf("want maxUInt header, 0 message, got header: %v, message: %v", ml.hdr, ml.msg) + if ml, ok := l.config.Services[s1]; ok { + if ml.Header != maxUInt || ml.Message != 0 { + t.Errorf("want maxUInt header, 0 message, got header: %v, message: %v", ml.Header, ml.Message) } } else { t.Errorf("service/* is not set") } - if ml, ok := l.methods[fullM1]; ok { - if ml.hdr != 0 || ml.msg != maxUInt { - t.Errorf("want 0 header, maxUInt message, got header: %v, message: %v", ml.hdr, ml.msg) + if ml, ok := l.config.Methods[fullM1]; ok { + if ml.Header != 0 || ml.Message != maxUInt { + t.Errorf("want 0 header, maxUInt message, got header: %v, message: %v", ml.Header, ml.Message) } } else { t.Errorf("service/method{h} is not set") } - if ml, ok := l.methods[fullM2]; ok { - if ml.hdr != maxUInt || ml.msg != maxUInt { - t.Errorf("want maxUInt header, maxUInt message, got header: %v, message: %v", ml.hdr, ml.msg) + if ml, ok := l.config.Methods[fullM2]; ok { + if ml.Header != maxUInt || ml.Message != maxUInt { + t.Errorf("want maxUInt header, maxUInt message, got header: %v, message: %v", ml.Header, ml.Message) } } else { t.Errorf("service/method{h;m} is not set") @@ -249,7 +249,7 @@ func (s) TestFillMethodLoggerWithConfigStringBlacklist(t *testing.T) { t.Errorf("returned err %v, want nil", err) continue } - _, ok := l.blacklist[tc] + _, ok := l.config.Blacklist[tc] if !ok { t.Errorf("blacklist[%q] is not set", tc) } @@ -306,15 +306,15 @@ func (s) TestFillMethodLoggerWithConfigStringGlobal(t *testing.T) { t.Errorf("returned err %v, want nil", err) continue } - if l.all == nil { - t.Errorf("l.all is not set") + if l.config.All == nil { + t.Errorf("l.config.All is not set") continue } - if hdr := l.all.hdr; hdr != tc.hdr { + if hdr := l.config.All.Header; hdr != tc.hdr { t.Errorf("header length = %v, want %v", hdr, tc.hdr) } - if msg := l.all.msg; msg != tc.msg { + if msg := l.config.All.Message; msg != tc.msg { t.Errorf("message length = %v, want %v", msg, tc.msg) } } @@ -371,16 +371,16 @@ func (s) TestFillMethodLoggerWithConfigStringPerService(t *testing.T) { t.Errorf("returned err %v, want nil", err) continue } - ml, ok := l.services[serviceName] + ml, ok := l.config.Services[serviceName] if !ok { t.Errorf("l.service[%q] is not set", serviceName) continue } - if hdr := ml.hdr; hdr != tc.hdr { + if hdr := ml.Header; hdr != tc.hdr { t.Errorf("header length = %v, want %v", hdr, tc.hdr) } - if msg := ml.msg; msg != tc.msg { + if msg := ml.Message; msg != tc.msg { t.Errorf("message length = %v, want %v", msg, tc.msg) } } @@ -441,16 +441,16 @@ func (s) TestFillMethodLoggerWithConfigStringPerMethod(t *testing.T) { t.Errorf("returned err %v, want nil", err) continue } - ml, ok := l.methods[fullMethodName] + ml, ok := l.config.Methods[fullMethodName] if !ok { - t.Errorf("l.methods[%q] is not set", fullMethodName) + t.Errorf("l.config.Methods[%q] is not set", fullMethodName) continue } - if hdr := ml.hdr; hdr != tc.hdr { + if hdr := ml.Header; hdr != tc.hdr { t.Errorf("header length = %v, want %v", hdr, tc.hdr) } - if msg := ml.msg; msg != tc.msg { + if msg := ml.Message; msg != tc.msg { t.Errorf("message length = %v, want %v", msg, tc.msg) } }