cloudlog

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Summary

cloudlog provides structured loggging in Go.

We recommend to use cloudlog with GCP, support

• Cloud Logging(Stackdriver Logging) display log level, structured logging, etc...
• Error Reporting

format.

you can use logging features immediately when you only need default log config.

It uses zap internal.

Installation

$ go get -u github.com/ishihaya/cloudlog

Usage

You can define methods that you only use in Log interface.

logging methods list

package log
import (
"os""sync""github.com/ishihaya/cloudlog"
)
// You can define methods that you only use.typeLoginterface {
Debugf(templatestring, args...interface{})
Infof(templatestring, args...interface{})
Warnf(templatestring, args...interface{})
Errorf(templatestring, args...interface{})
Fatalf(templatestring, args...interface{})
Debugw(msgstring, keysAndValues...interface{})
Infow(msgstring, keysAndValues...interface{})
Warnw(msgstring, keysAndValues...interface{})
Errorw(msgstring, keysAndValues...interface{})
Fatalw(msgstring, keysAndValues...interface{})
}
typelogstruct {
*cloudlog.Logger
}
varsharedInstanceLogvaronce sync.Once// You should call this if you use logger.funcGetInstance() Log {
once.Do(func() {
sharedInstance=new()
})
returnsharedInstance
}
funcnew() Log {
varlogger*cloudlog.Loggervarerrerror// serviceName is displayed in Error Reporting.serviceName:="backend-api"switchos.Getenv("APP_ENV") {
// List runnning environments on cloud, such as GCP.case"production", "staging":
logger, err=cloudlog.NewCloudLogger(
cloudlog.NeedErrorReporting(true),
cloudlog.ServiceName(serviceName),
)
default:
logger, err=cloudlog.NewLocalLogger()
}
iferr!=nil {
panic(err)
}
return&log{logger}
}