mirror of
https://github.com/fluxcd/flagger.git
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80 lines
2.3 KiB
Go
80 lines
2.3 KiB
Go
/*
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Copyright 2020 The Flux authors
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package logger
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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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)
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// NewLogger returns a zap sugared logger configured with json format and caller id
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func NewLogger(logLevel string) (*zap.SugaredLogger, error) {
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return NewLoggerWithEncoding(logLevel, "json")
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}
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// NewLoggerWithEncoding returns a zap sugared logger configured with provided format, e.g. console or json, and caller id
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func NewLoggerWithEncoding(logLevel, zapEncoding string) (*zap.SugaredLogger, error) {
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level := zap.NewAtomicLevelAt(zapcore.InfoLevel)
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switch logLevel {
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case "debug":
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level = zap.NewAtomicLevelAt(zapcore.DebugLevel)
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case "info":
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level = zap.NewAtomicLevelAt(zapcore.InfoLevel)
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case "warn":
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level = zap.NewAtomicLevelAt(zapcore.WarnLevel)
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case "error":
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level = zap.NewAtomicLevelAt(zapcore.ErrorLevel)
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case "fatal":
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level = zap.NewAtomicLevelAt(zapcore.FatalLevel)
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case "panic":
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level = zap.NewAtomicLevelAt(zapcore.PanicLevel)
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}
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zapEncoderConfig := 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.SecondsDurationEncoder,
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EncodeCaller: zapcore.ShortCallerEncoder,
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}
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zapConfig := zap.Config{
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Level: level,
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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: zapEncoding,
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EncoderConfig: zapEncoderConfig,
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OutputPaths: []string{"stderr"},
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ErrorOutputPaths: []string{"stderr"},
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}
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logger, err := zapConfig.Build()
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if err != nil {
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return nil, err
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}
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return logger.Sugar(), nil
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}
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