35 lines
916 B
Go
35 lines
916 B
Go
package config
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import (
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"io"
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"os"
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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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func NewLogger(version Version, output io.Writer, args []string) (*zap.Logger, func()) {
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parsedCliArgs, _ := ParseArgs(version, os.Exit, args)
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syncs := []zapcore.WriteSyncer{zapcore.AddSync(output)}
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encoderConfig := zap.NewProductionEncoderConfig()
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encoderConfig.EncodeTime = zapcore.RFC3339NanoTimeEncoder
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core := zapcore.NewCore(
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zapcore.NewJSONEncoder(encoderConfig),
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zap.CombineWriteSyncers(syncs...),
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zap.DebugLevel,
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)
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logger := zap.New(core).WithOptions(
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zap.AddStacktrace(zap.ErrorLevel),
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zap.WithCaller(false),
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).With(
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zap.String("version", version.Release),
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zap.String("environment", *parsedCliArgs.Environment),
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)
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finalizer := func() {
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// This might fail if logging to console, but we don't care (https://github.com/uber-go/zap/issues/880)
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_ = logger.Sync()
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}
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return logger, finalizer
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}
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