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1.1 KiB
1.1 KiB
Logger
Usage
Structured logging
logger := log.NewStdLogger(os.Stdout)
// fields & valuer
logger = log.With(logger,
"service.name", "hellworld",
"service.version", "v1.0.0",
"ts", log.DefaultTimestamp,
"caller", log.DefaultCaller,
)
logger.Log(log.LevelInfo, "key", "value")
// helper
helper := log.NewHelper(logger)
helper.Log(log.LevelInfo, "key", "value")
helper.Info("info message")
helper.Infof("info %s", "message")
helper.Infow("key", "value")
// filter
log := log.NewHelper(log.NewFilter(logger,
log.FilterLevel(log.LevelInfo),
log.FilterKey("foo"),
log.FilterValue("bar"),
log.FilterFunc(customFilter),
))
log.Debug("debug log")
log.Info("info log")
log.Warn("warn log")
log.Error("warn log")
Third party log library
zap
go get -u github.com/go-kratos/kratos/contrib/log/zap/v2
logrus
go get -u github.com/go-kratos/kratos/contrib/log/logrus/v2
fluent
go get -u github.com/go-kratos/kratos/contrib/log/fluent/v2
aliyun
go get -u github.com/go-kratos/kratos/contrib/log/aliyun/v2