logfmt

logfmt

A simple https://github.com/sirupsen/logrus log formatter. Includes

• iso 8601 formatted date string - "2006-01-02T15:04:05.000Z07:00"
• OS hostname
• Log level
• Log message
• Additional fields
• Caller - "file:line func"

Usage

import (
	log "github.com/sirupsen/logrus"
	logfmt "github.com/bdlm/logfmt"
)

Text format

Set the formatter:

log.SetFormatter(&logfmt.TextFormat{})

Produces:

time="2018-04-16T05:14:07.559Z" host="k8s-proxy-688fb8b57d-4rzt4" level="info" msg="starting kubernetes proxy" port="80" caller="proxy.go:252 github.com/bdlm/logfmt/pkg/proxy.(*Proxy).Start"

JSON format

Set the formatter

log.SetFormatter(&logfmt.JSONFormat{})

Produces:

{"time":"2018-04-16T06:23:37.133Z","level":"info","host":"k8s-proxy-7b77bfd8bd-7xcvn","msg":"starting kubernetes proxy","data":{"port":"80"},"caller":"proxy.go:258 github.com/bdlm/logfmt/pkg/proxy.(*Proxy).Start"}