packer-cn/vendor/github.com/aliyun/alibaba-cloud-sdk-go/sdk/logger.go

117 lines
2.6 KiB
Go

package sdk
import (
"encoding/json"
"github.com/aliyun/alibaba-cloud-sdk-go/sdk/utils"
"io"
"log"
"os"
"strings"
"time"
)
var logChannel string
var defaultChannel = "AlibabaCloud"
type Logger struct {
*log.Logger
formatTemplate string
isOpen bool
lastLogMsg string
}
var defaultLoggerTemplate = `{time} {channel}: "{method} {uri} HTTP/{version}" {code} {cost} {hostname}`
var loggerParam = []string{"{time}", "{start_time}", "{ts}", "{channel}", "{pid}", "{host}", "{method}", "{uri}", "{version}", "{target}", "{hostname}", "{code}", "{error}", "{req_headers}", "{res_headers}", "{cost}"}
func initLogMsg(fieldMap map[string]string) {
for _, value := range loggerParam {
fieldMap[value] = ""
}
}
func (client *Client) GetLogger() *Logger {
return client.logger
}
func (client *Client) GetLoggerMsg() string {
if client.logger == nil {
client.SetLogger("", "", os.Stdout, "")
}
return client.logger.lastLogMsg
}
func (client *Client) SetLogger(level string, channel string, out io.Writer, template string) {
if level == "" {
level = "info"
}
logChannel = "AlibabaCloud"
if channel != "" {
logChannel = channel
}
log := log.New(out, "["+strings.ToUpper(level)+"]", log.Lshortfile)
if template == "" {
template = defaultLoggerTemplate
}
client.logger = &Logger{
Logger: log,
formatTemplate: template,
isOpen: true,
}
}
func (client *Client) OpenLogger() {
if client.logger == nil {
client.SetLogger("", "", os.Stdout, "")
}
client.logger.isOpen = true
}
func (client *Client) CloseLogger() {
if client.logger != nil {
client.logger.isOpen = false
}
}
func (client *Client) SetTemplate(template string) {
if client.logger == nil {
client.SetLogger("", "", os.Stdout, "")
}
client.logger.formatTemplate = template
}
func (client *Client) GetTemplate() string {
if client.logger == nil {
client.SetLogger("", "", os.Stdout, "")
}
return client.logger.formatTemplate
}
func TransToString(object interface{}) string {
byt, err := json.Marshal(object)
if err != nil {
return ""
}
return string(byt)
}
func (client *Client) printLog(fieldMap map[string]string, err error) {
if err != nil {
fieldMap["{error}"] = err.Error()
}
fieldMap["{time}"] = time.Now().Format("2006-01-02 15:04:05")
fieldMap["{ts}"] = utils.GetTimeInFormatISO8601()
fieldMap["{channel}"] = logChannel
if client.logger != nil {
logMsg := client.logger.formatTemplate
for key, value := range fieldMap {
logMsg = strings.Replace(logMsg, key, value, -1)
}
client.logger.lastLogMsg = logMsg
if client.logger.isOpen == true {
client.logger.Output(2, logMsg)
}
}
}