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crazy-max_diun/internal/logging/logger.go
CrazyMax 1115234010
Add CLI to interact with Diun through gRPC (#382)
Add simple CLI to interact with Diun through gRPC
Create image and notif proto services
Compile and validate protos through a dedicated Dockerfile and bake target
Implement proto definitions
Move server as `serve` command
New commands `image` and `notif`
Refactor command line usage doc
Better CLI error handling
Tools build constraint to manage tools deps through go modules
Add upgrade notes

Co-authored-by: CrazyMax <crazy-max@users.noreply.github.com>
2021-05-26 18:18:10 +02:00

87 lines
1.9 KiB
Go

package logging
import (
"fmt"
"io"
"os"
"time"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"github.com/sirupsen/logrus"
)
type Options struct {
LogLevel string
LogJSON bool
LogCaller bool
LogNoColor bool
}
// Configure configures logger
func Configure(opts Options) {
var err error
var w io.Writer
// Adds support for NO_COLOR. More info https://no-color.org/
_, noColor := os.LookupEnv("NO_COLOR")
if !opts.LogJSON {
w = zerolog.ConsoleWriter{
Out: os.Stdout,
NoColor: noColor || opts.LogNoColor,
TimeFormat: time.RFC1123,
}
} else {
w = os.Stdout
}
ctx := zerolog.New(w).With().Timestamp()
if opts.LogCaller {
ctx = ctx.Caller()
}
log.Logger = ctx.Logger()
logLevel, err := zerolog.ParseLevel(opts.LogLevel)
if err != nil {
log.Fatal().Err(err).Msgf("Unknown log level")
} else {
zerolog.SetGlobalLevel(logLevel)
}
logrusLevel, err := logrus.ParseLevel(opts.LogLevel)
if err != nil {
log.Fatal().Err(err).Msgf("Unknown log level")
} else {
logrus.SetLevel(logrusLevel)
}
logrus.SetFormatter(new(LogrusFormatter))
}
// LogrusFormatter is a logrus formatter
type LogrusFormatter struct{}
// Format renders a single log entry from logrus entry to zerolog
func (f *LogrusFormatter) Format(entry *logrus.Entry) ([]byte, error) {
message := fmt.Sprintf("[containers/image] %s", entry.Message)
switch entry.Level {
case logrus.ErrorLevel:
log.Error().Fields(entry.Data).Msg(message)
case logrus.WarnLevel:
log.Warn().Fields(entry.Data).Msg(message)
case logrus.DebugLevel:
log.Debug().Fields(entry.Data).Msg(message)
default:
log.Info().Fields(entry.Data).Msg(message)
}
return nil, nil
}
// AntsLogger is a logger for ants module
type AntsLogger struct{}
// Printf must have the same semantics as log.Printf
func (w *AntsLogger) Printf(format string, args ...interface{}) {
log.Debug().Msgf(format, args...)
}