78 lines
2.0 KiB
Go
78 lines
2.0 KiB
Go
package log
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import (
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"context"
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"github.com/lytics/logrus"
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)
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// Logger is a Logrus logger used by the package.
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var Logger *logrus.Logger
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// F is a short alias for a string to interface map.
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type F map[string]interface{}
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func init() {
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Logger = logrus.New()
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}
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// Debug prints a debug message with given fields attached.
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func Debug(ctx context.Context, msg string, fields ...F) {
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withFields(mergeFields(ctx, fields)).Debug(msg)
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}
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// Debugf prints a formatted debug message.
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func Debugf(ctx context.Context, format string, args ...interface{}) {
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withFields(contextFields(ctx)).Debugf(format, args...)
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}
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// Info prints an info message with given fields attached.
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func Info(ctx context.Context, msg string, fields ...F) {
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withFields(mergeFields(ctx, fields)).Info(msg)
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}
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// Infof prints a formatted info message.
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func Infof(ctx context.Context, format string, args ...interface{}) {
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withFields(contextFields(ctx)).Infof(format, args...)
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}
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// Error prints an error message with given fields attached.
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func Error(ctx context.Context, msg string, fields ...F) {
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withFields(mergeFields(ctx, fields)).Error(msg)
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}
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// Errorf prints a formatted error message.
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func Errorf(ctx context.Context, format string, args ...interface{}) {
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withFields(contextFields(ctx)).Errorf(format, args...)
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}
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// Fatal prints an error message with given fields attached and then exits.
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func Fatal(ctx context.Context, msg string, fields ...F) {
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withFields(mergeFields(ctx, fields)).Fatal(msg)
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}
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// Fatalf prints a formatted error message and then exits.
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func Fatalf(ctx context.Context, format string, args ...interface{}) {
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withFields(contextFields(ctx)).Fatalf(format, args...)
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}
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func mergeFields(ctx context.Context, fields []F) F {
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ctxf := contextFields(ctx)
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if len(ctxf) == 0 && len(fields) == 0 {
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return nil
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}
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for i := 0; i < len(fields); i++ {
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for k, v := range fields[i] {
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ctxf[k] = v
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}
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}
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return ctxf
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}
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func withFields(f F) *logrus.Entry {
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if len(f) == 0 {
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return logrus.NewEntry(Logger)
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}
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return Logger.WithFields(logrus.Fields(f))
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}
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