blob: 313d914c10760e5b1775dc964220dd3939317b75 [file] [log] [blame]
// Copyright 2019 The etcd 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 logutil
import (
"sort"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
// DefaultZapLoggerConfig defines default zap logger configuration.
var DefaultZapLoggerConfig = zap.Config{
Level: zap.NewAtomicLevelAt(zap.InfoLevel),
Development: false,
Sampling: &zap.SamplingConfig{
Initial: 100,
Thereafter: 100,
},
Encoding: "json",
// copied from "zap.NewProductionEncoderConfig" with some updates
EncoderConfig: zapcore.EncoderConfig{
TimeKey: "ts",
LevelKey: "level",
NameKey: "logger",
CallerKey: "caller",
MessageKey: "msg",
StacktraceKey: "stacktrace",
LineEnding: zapcore.DefaultLineEnding,
EncodeLevel: zapcore.LowercaseLevelEncoder,
EncodeTime: zapcore.ISO8601TimeEncoder,
EncodeDuration: zapcore.StringDurationEncoder,
EncodeCaller: zapcore.ShortCallerEncoder,
},
// Use "/dev/null" to discard all
OutputPaths: []string{"stderr"},
ErrorOutputPaths: []string{"stderr"},
}
// AddOutputPaths adds output paths to the existing output paths, resolving conflicts.
func AddOutputPaths(cfg zap.Config, outputPaths, errorOutputPaths []string) zap.Config {
outputs := make(map[string]struct{})
for _, v := range cfg.OutputPaths {
outputs[v] = struct{}{}
}
for _, v := range outputPaths {
outputs[v] = struct{}{}
}
outputSlice := make([]string, 0)
if _, ok := outputs["/dev/null"]; ok {
// "/dev/null" to discard all
outputSlice = []string{"/dev/null"}
} else {
for k := range outputs {
outputSlice = append(outputSlice, k)
}
}
cfg.OutputPaths = outputSlice
sort.Strings(cfg.OutputPaths)
errOutputs := make(map[string]struct{})
for _, v := range cfg.ErrorOutputPaths {
errOutputs[v] = struct{}{}
}
for _, v := range errorOutputPaths {
errOutputs[v] = struct{}{}
}
errOutputSlice := make([]string, 0)
if _, ok := errOutputs["/dev/null"]; ok {
// "/dev/null" to discard all
errOutputSlice = []string{"/dev/null"}
} else {
for k := range errOutputs {
errOutputSlice = append(errOutputSlice, k)
}
}
cfg.ErrorOutputPaths = errOutputSlice
sort.Strings(cfg.ErrorOutputPaths)
return cfg
}