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Refactor to show how to use with skipGRPCLogger
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| // Copyright The OpenTelemetry 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. | ||
|
|
||
| //go:build windows | ||
| // +build windows | ||
|
|
||
| package service // import "go.opentelemetry.io/collector/service" | ||
|
|
||
| import ( | ||
| "fmt" | ||
|
|
||
| "go.opentelemetry.io/contrib/zpages" | ||
| "go.uber.org/zap" | ||
| "go.uber.org/zap/zapcore" | ||
| "golang.org/x/sys/windows/svc/eventlog" | ||
| ) | ||
|
|
||
| var _ zapcore.Core = (*windowsEventLogCore)(nil) | ||
|
|
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| type windowsEventLogCore struct { | ||
| core zapcore.Core | ||
| elog *eventlog.Log | ||
| encoder zapcore.Encoder | ||
| } | ||
|
|
||
| func (w windowsEventLogCore) Enabled(level zapcore.Level) bool { | ||
| return w.core.Enabled(level) | ||
| } | ||
|
|
||
| func (w windowsEventLogCore) With(fields []zapcore.Field) zapcore.Core { | ||
| enc := w.encoder.Clone() | ||
| for _, field := range fields { | ||
| field.AddTo(enc) | ||
| } | ||
| return windowsEventLogCore{ | ||
| core: w.core, | ||
| elog: w.elog, | ||
| encoder: enc, | ||
| } | ||
| } | ||
|
|
||
| func (w windowsEventLogCore) Check(ent zapcore.Entry, ce *zapcore.CheckedEntry) *zapcore.CheckedEntry { | ||
| if w.Enabled(ent.Level) { | ||
| return ce.AddCore(ent, w) | ||
| } | ||
| return ce | ||
| } | ||
|
|
||
| func (w windowsEventLogCore) Write(ent zapcore.Entry, fields []zapcore.Field) error { | ||
| buf, err := w.encoder.EncodeEntry(ent, fields) | ||
| if err != nil { | ||
| w.elog.Warning(2, fmt.Sprintf("failed encoding log entry %v\r\n", err)) | ||
| return err | ||
| } | ||
| msg := buf.String() | ||
| buf.Free() | ||
|
|
||
| switch ent.Level { | ||
| case zapcore.FatalLevel, zapcore.PanicLevel, zapcore.DPanicLevel: | ||
| // golang.org/x/sys/windows/svc/eventlog does not support Critical level event logs | ||
| return w.elog.Error(3, msg) | ||
| case zapcore.ErrorLevel: | ||
| return w.elog.Error(3, msg) | ||
| case zapcore.WarnLevel: | ||
| return w.elog.Warning(2, msg) | ||
| case zapcore.InfoLevel: | ||
| return w.elog.Info(1, msg) | ||
| } | ||
| // We would not be here if debug were disabled so log as info to not drop. | ||
| return w.elog.Info(1, msg) | ||
| } | ||
|
|
||
| func (w windowsEventLogCore) Sync() error { | ||
| return w.core.Sync() | ||
| } | ||
|
|
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| func withWindowsCore(elog *eventlog.Log) func(zapcore.Core) zapcore.Core { | ||
| return func(core zapcore.Core) zapcore.Core { | ||
| encoderConfig := zap.NewProductionEncoderConfig() | ||
| encoderConfig.LineEnding = "\r\n" | ||
| return windowsEventLogCore{core, elog, zapcore.NewConsoleEncoder(encoderConfig)} | ||
| } | ||
| } | ||
|
|
||
| func newWindowsServiceTelemetryProvider(elog *eventlog.Log) TelemetryProvider { | ||
| return &defaultTelemetryFactory{ | ||
| zPagesSpanProcessor: zpages.NewSpanProcessor(), | ||
| loggingOptions: []zap.Option{zap.WrapCore(withWindowsCore(elog))}, | ||
| } | ||
| } |