gatus/alerting/slack.go
2020-08-19 19:40:00 -04:00

32 lines
733 B
Go

package alerting
import (
"bytes"
"encoding/json"
"fmt"
"github.com/TwinProduction/gatus/client"
"io/ioutil"
)
type requestBody struct {
Text string `json:"text"`
}
// SendSlackMessage sends a message to the given Slack webhook
func SendSlackMessage(webhookUrl, msg string) error {
body, _ := json.Marshal(requestBody{Text: msg})
response, err := client.GetHttpClient().Post(webhookUrl, "application/json", bytes.NewBuffer(body))
if err != nil {
return err
}
defer response.Body.Close()
output, err := ioutil.ReadAll(response.Body)
if err != nil {
return fmt.Errorf("unable to read response body: %v", err.Error())
}
if string(output) != "ok" {
return fmt.Errorf("error: %s", string(output))
}
return nil
}