micro/logger/default.go
Vasiliy Tolstov 117f56ebf7
prune util/log and user logger (#1237)
* prune util/log and user logger

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

* plaintext logger

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

* add newline

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
2020-02-23 13:45:20 +00:00

111 lines
2.1 KiB
Go

package logger
import (
"context"
"fmt"
"os"
"time"
dlog "github.com/micro/go-micro/v2/debug/log"
)
type defaultLogger struct {
opts Options
err error
}
// Init(opts...) should only overwrite provided options
func (l *defaultLogger) Init(opts ...Option) error {
for _, o := range opts {
o(&l.opts)
}
return nil
}
func (l *defaultLogger) String() string {
return "default"
}
func (l *defaultLogger) Fields(fields map[string]interface{}) Logger {
l.opts.Fields = fields
return l
}
func (l *defaultLogger) Error(err error) Logger {
l.err = err
return l
}
func (l *defaultLogger) Log(level Level, v ...interface{}) {
// TODO decide does we need to write message if log level not used?
if !l.opts.Level.Enabled(level) {
return
}
fields := l.opts.Fields
fields["level"] = level.String()
if l.err != nil {
fields["error"] = l.err.Error()
}
rec := dlog.Record{
Timestamp: time.Now(),
Message: fmt.Sprint(v...),
Metadata: make(map[string]string),
}
for k, v := range fields {
rec.Metadata[k] = fmt.Sprintf("%v", v)
}
dlog.DefaultLog.Write(rec)
t := rec.Timestamp.Format("2006-01-02 15:04:05")
fmt.Printf("%s %v\n", t, rec.Message)
}
func (l *defaultLogger) Logf(level Level, format string, v ...interface{}) {
// TODO decide does we need to write message if log level not used?
if level < l.opts.Level {
return
}
fields := l.opts.Fields
fields["level"] = level.String()
if l.err != nil {
fields["error"] = l.err.Error()
}
rec := dlog.Record{
Timestamp: time.Now(),
Message: fmt.Sprintf(format, v...),
Metadata: make(map[string]string),
}
for k, v := range fields {
rec.Metadata[k] = fmt.Sprintf("%v", v)
}
dlog.DefaultLog.Write(rec)
t := rec.Timestamp.Format("2006-01-02 15:04:05")
fmt.Printf("%s %v\n", t, rec.Message)
}
func (n *defaultLogger) Options() Options {
return n.opts
}
// NewLogger builds a new logger based on options
func NewLogger(opts ...Option) Logger {
// Default options
options := Options{
Level: InfoLevel,
Fields: make(map[string]interface{}),
Out: os.Stderr,
Context: context.Background(),
}
l := &defaultLogger{opts: options}
_ = l.Init(opts...)
return l
}