112 lines
3.1 KiB
Go
112 lines
3.1 KiB
Go
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// Copyright 2018 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package logutil
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import (
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"go.uber.org/zap"
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"go.uber.org/zap/zapcore"
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"google.golang.org/grpc/grpclog"
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)
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// NewGRPCLoggerV2 converts "*zap.Logger" to "grpclog.LoggerV2".
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// It discards all INFO level logging in gRPC, if debug level
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// is not enabled in "*zap.Logger".
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func NewGRPCLoggerV2(lcfg zap.Config) (grpclog.LoggerV2, error) {
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lg, err := lcfg.Build(zap.AddCallerSkip(1)) // to annotate caller outside of "logutil"
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if err != nil {
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return nil, err
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}
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return &zapGRPCLogger{lg: lg, sugar: lg.Sugar()}, nil
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}
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// NewGRPCLoggerV2FromZapCore creates "grpclog.LoggerV2" from "zap.Core"
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// and "zapcore.WriteSyncer". It discards all INFO level logging in gRPC,
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// if debug level is not enabled in "*zap.Logger".
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func NewGRPCLoggerV2FromZapCore(cr zapcore.Core, syncer zapcore.WriteSyncer) grpclog.LoggerV2 {
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// "AddCallerSkip" to annotate caller outside of "logutil"
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lg := zap.New(cr, zap.AddCaller(), zap.AddCallerSkip(1), zap.ErrorOutput(syncer))
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return &zapGRPCLogger{lg: lg, sugar: lg.Sugar()}
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}
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type zapGRPCLogger struct {
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lg *zap.Logger
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sugar *zap.SugaredLogger
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}
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func (zl *zapGRPCLogger) Info(args ...interface{}) {
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if !zl.lg.Core().Enabled(zapcore.DebugLevel) {
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return
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}
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zl.sugar.Info(args...)
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}
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func (zl *zapGRPCLogger) Infoln(args ...interface{}) {
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if !zl.lg.Core().Enabled(zapcore.DebugLevel) {
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return
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}
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zl.sugar.Info(args...)
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}
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func (zl *zapGRPCLogger) Infof(format string, args ...interface{}) {
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if !zl.lg.Core().Enabled(zapcore.DebugLevel) {
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return
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}
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zl.sugar.Infof(format, args...)
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}
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func (zl *zapGRPCLogger) Warning(args ...interface{}) {
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zl.sugar.Warn(args...)
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}
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func (zl *zapGRPCLogger) Warningln(args ...interface{}) {
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zl.sugar.Warn(args...)
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}
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func (zl *zapGRPCLogger) Warningf(format string, args ...interface{}) {
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zl.sugar.Warnf(format, args...)
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}
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func (zl *zapGRPCLogger) Error(args ...interface{}) {
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zl.sugar.Error(args...)
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}
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func (zl *zapGRPCLogger) Errorln(args ...interface{}) {
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zl.sugar.Error(args...)
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}
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func (zl *zapGRPCLogger) Errorf(format string, args ...interface{}) {
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zl.sugar.Errorf(format, args...)
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}
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func (zl *zapGRPCLogger) Fatal(args ...interface{}) {
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zl.sugar.Fatal(args...)
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}
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func (zl *zapGRPCLogger) Fatalln(args ...interface{}) {
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zl.sugar.Fatal(args...)
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}
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func (zl *zapGRPCLogger) Fatalf(format string, args ...interface{}) {
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zl.sugar.Fatalf(format, args...)
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}
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func (zl *zapGRPCLogger) V(l int) bool {
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// infoLog == 0
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if l <= 0 { // debug level, then we ignore info level in gRPC
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return !zl.lg.Core().Enabled(zapcore.DebugLevel)
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}
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return true
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}
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