/
logging.go
124 lines (102 loc) · 2.5 KB
/
logging.go
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package fkt
import (
"fmt"
"os"
log "github.com/sirupsen/logrus"
"gopkg.in/yaml.v3"
)
type LogConfig struct {
Level LogLevel `yaml:"level"`
File string `yaml:"file"`
Format LogFormat `yaml:"format"`
}
type LogLevel string
const (
TraceLevel LogLevel = "trace"
DebugLevel LogLevel = "debug"
InfoLevel LogLevel = "info"
WarnLevel LogLevel = "warn"
ErrorLevel LogLevel = "error"
PanicLevel LogLevel = "none"
DefaultLevel LogLevel = "none"
)
type LogFormat string
const (
ConsoleFormat LogFormat = "console"
JsonFormat LogFormat = "json"
DefaultFormat LogFormat = "console"
)
func (l *LogLevel) UnmarshalYAML(value *yaml.Node) error {
var levelStr string
if err := value.Decode(&levelStr); err != nil {
return err
}
switch LogLevel(levelStr) {
case TraceLevel, DebugLevel, InfoLevel, WarnLevel, ErrorLevel, PanicLevel:
*l = LogLevel(levelStr)
default:
*l = LogLevel("panic")
}
return nil
}
func (l *LogFormat) UnmarshalYAML(value *yaml.Node) error {
var formatStr string
if err := value.Decode(&formatStr); err != nil {
return err
}
switch LogFormat(formatStr) {
case ConsoleFormat, JsonFormat:
*l = LogFormat(formatStr)
default:
*l = LogFormat("console")
}
return nil
}
func (logConfig *LogConfig) settings(logConfigOverride LogConfig) error {
if logConfigOverride.Level != "default" {
logConfig.Level = logConfigOverride.Level
}
switch logConfig.Level {
case TraceLevel:
log.SetLevel(log.TraceLevel)
case DebugLevel:
log.SetLevel(log.DebugLevel)
case InfoLevel:
log.SetLevel(log.InfoLevel)
case WarnLevel:
log.SetLevel(log.WarnLevel)
case ErrorLevel:
log.SetLevel(log.ErrorLevel)
default:
log.SetLevel(log.PanicLevel)
}
if logConfigOverride.File != "" {
logConfig.File = logConfigOverride.File
}
if logConfig.File != "" {
file, err := os.OpenFile(logConfig.File, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
if err == nil {
log.SetOutput(file)
} else {
return fmt.Errorf("failed to open log file: %w", err)
}
}
if logConfigOverride.Format != "default" {
logConfig.Format = logConfigOverride.Format
}
switch logConfig.Format {
case ConsoleFormat:
log.SetFormatter(&log.TextFormatter{})
case JsonFormat:
log.SetFormatter(&log.JSONFormatter{})
default:
log.Info("default to console log format")
log.SetFormatter(&log.TextFormatter{})
}
log.Info("Logging Level: ", log.GetLevel())
log.Info("Logging Format: ", logConfig.Format)
if logConfig.File != "" {
log.Info("Logging File: ", logConfig.File)
}
return nil
}