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errorlog.go
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errorlog.go
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package errorlog
import (
"fmt"
"log"
"runtime"
"github.com/MyHomeworkSpace/api-server/config"
"github.com/MyHomeworkSpace/api-server/slack"
)
// LogError logs the given error to the default logger and any configured services.
func LogError(desc string, err error) {
buf := make([]byte, 1<<16)
stackSize := runtime.Stack(buf, false)
stackTrace := string(buf[0:stackSize])
log.Println("======================================")
log.Printf("Error occurred while '%s'!", desc)
errDesc := ""
if err != nil {
errDesc = err.Error()
} else {
errDesc = "(err == nil)"
}
log.Println(errDesc)
log.Println(stackTrace)
log.Println("======================================")
if config.GetCurrent().ErrorLog.SlackEnabled {
title := fmt.Sprintf("An error occurred - %s", desc)
err = slack.Post(config.GetCurrent().ErrorLog.SlackURL, slack.WebhookMessage{
Attachments: []slack.WebhookAttachment{
{
Fallback: title,
Color: "danger",
Title: title,
Text: "```" + stackTrace + "```",
Fields: []slack.WebhookField{
{
Title: "Host",
Value: config.GetCurrent().Server.HostName,
Short: true,
},
{
Title: "Message",
Value: errDesc,
Short: true,
},
},
MarkdownIn: []string{
"fields",
},
},
},
})
if err != nil {
log.Println("An error occurred while reporting the previous error to Slack")
log.Println(err)
}
}
}