92 lines
2.5 KiB
Go
92 lines
2.5 KiB
Go
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// Copyright 2019 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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"sort"
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"go.uber.org/zap"
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"go.uber.org/zap/zapcore"
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)
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// DefaultZapLoggerConfig defines default zap logger configuration.
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var DefaultZapLoggerConfig = zap.Config{
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Level: zap.NewAtomicLevelAt(ConvertToZapLevel(DefaultLogLevel)),
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Development: false,
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Sampling: &zap.SamplingConfig{
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Initial: 100,
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Thereafter: 100,
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},
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Encoding: "json",
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// copied from "zap.NewProductionEncoderConfig" with some updates
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EncoderConfig: zapcore.EncoderConfig{
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TimeKey: "ts",
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LevelKey: "level",
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NameKey: "logger",
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CallerKey: "caller",
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MessageKey: "msg",
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StacktraceKey: "stacktrace",
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LineEnding: zapcore.DefaultLineEnding,
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EncodeLevel: zapcore.LowercaseLevelEncoder,
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EncodeTime: zapcore.ISO8601TimeEncoder,
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EncodeDuration: zapcore.StringDurationEncoder,
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EncodeCaller: zapcore.ShortCallerEncoder,
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},
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// Use "/dev/null" to discard all
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OutputPaths: []string{"stderr"},
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ErrorOutputPaths: []string{"stderr"},
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}
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// MergeOutputPaths merges logging output paths, resolving conflicts.
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func MergeOutputPaths(cfg zap.Config) zap.Config {
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outputs := make(map[string]struct{})
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for _, v := range cfg.OutputPaths {
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outputs[v] = struct{}{}
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}
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outputSlice := make([]string, 0)
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if _, ok := outputs["/dev/null"]; ok {
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// "/dev/null" to discard all
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outputSlice = []string{"/dev/null"}
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} else {
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for k := range outputs {
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outputSlice = append(outputSlice, k)
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}
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}
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cfg.OutputPaths = outputSlice
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sort.Strings(cfg.OutputPaths)
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errOutputs := make(map[string]struct{})
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for _, v := range cfg.ErrorOutputPaths {
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errOutputs[v] = struct{}{}
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}
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errOutputSlice := make([]string, 0)
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if _, ok := errOutputs["/dev/null"]; ok {
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// "/dev/null" to discard all
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errOutputSlice = []string{"/dev/null"}
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} else {
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for k := range errOutputs {
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errOutputSlice = append(errOutputSlice, k)
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}
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}
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cfg.ErrorOutputPaths = errOutputSlice
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sort.Strings(cfg.ErrorOutputPaths)
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return cfg
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}
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