85 lines
2.4 KiB
Go
85 lines
2.4 KiB
Go
// Package log is the logging library used by IPFS & libp2p
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// (https://github.com/ipfs/go-ipfs).
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package log
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import (
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"time"
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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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// StandardLogger provides API compatibility with standard printf loggers
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// eg. go-logging
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type StandardLogger interface {
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Debug(args ...interface{})
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Debugf(format string, args ...interface{})
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Error(args ...interface{})
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Errorf(format string, args ...interface{})
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Fatal(args ...interface{})
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Fatalf(format string, args ...interface{})
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Info(args ...interface{})
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Infof(format string, args ...interface{})
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Panic(args ...interface{})
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Panicf(format string, args ...interface{})
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Warn(args ...interface{})
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Warnf(format string, args ...interface{})
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}
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// EventLogger extends the StandardLogger interface to allow for log items
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// containing structured metadata
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type EventLogger interface {
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StandardLogger
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}
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// Logger retrieves an event logger by name
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func Logger(system string) *ZapEventLogger {
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if len(system) == 0 {
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setuplog := getLogger("setup-logger")
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setuplog.Error("Missing name parameter")
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system = "undefined"
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}
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logger := getLogger(system)
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skipLogger := logger.Desugar().WithOptions(zap.AddCallerSkip(1)).Sugar()
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return &ZapEventLogger{
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system: system,
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SugaredLogger: *logger,
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skipLogger: *skipLogger,
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}
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}
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// ZapEventLogger implements the EventLogger and wraps a go-logging Logger
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type ZapEventLogger struct {
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zap.SugaredLogger
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// used to fix the caller location when calling Warning and Warningf.
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skipLogger zap.SugaredLogger
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system string
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}
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// Warning is for compatibility
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// Deprecated: use Warn(args ...interface{}) instead
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func (logger *ZapEventLogger) Warning(args ...interface{}) {
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logger.skipLogger.Warn(args...)
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}
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// Warningf is for compatibility
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// Deprecated: use Warnf(format string, args ...interface{}) instead
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func (logger *ZapEventLogger) Warningf(format string, args ...interface{}) {
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logger.skipLogger.Warnf(format, args...)
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}
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// FormatRFC3339 returns the given time in UTC with RFC3999Nano format.
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func FormatRFC3339(t time.Time) string {
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return t.UTC().Format(time.RFC3339Nano)
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}
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func WithStacktrace(l *ZapEventLogger, level LogLevel) *ZapEventLogger {
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copyLogger := *l
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copyLogger.SugaredLogger = *copyLogger.SugaredLogger.Desugar().
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WithOptions(zap.AddStacktrace(zapcore.Level(level))).Sugar()
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copyLogger.skipLogger = *copyLogger.SugaredLogger.Desugar().WithOptions(zap.AddCallerSkip(1)).Sugar()
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return ©Logger
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}
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