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notification.go
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notification.go
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package main
import (
"bytes"
"encoding/json"
"net/http"
"os"
model "github.com/mattermost/mattermost-server/v5/model"
"github.com/pkg/errors"
)
func send(webhookURL string, payload model.CommandResponse) error {
marshalContent, _ := json.Marshal(payload)
var jsonStr = []byte(marshalContent)
req, err := http.NewRequest("POST", webhookURL, bytes.NewBuffer(jsonStr))
req.Header.Set("X-Custom-Header", "aws-sns")
req.Header.Set("Content-Type", "application/json")
client := &http.Client{}
resp, err := client.Do(req)
if err != nil {
return errors.Wrap(err, "failed tο send HTTP request")
}
defer resp.Body.Close()
return nil
}
func sendMattermostErrorNotification(errorMessage error, message string) error {
attachment := &model.SlackAttachment{
Color: "#FF0000",
Fields: []*model.SlackAttachmentField{
{Title: message, Short: false},
{Title: "Error Message", Value: errorMessage.Error(), Short: false},
},
}
payload := model.CommandResponse{
Username: "Blackbox Target Discovery",
IconURL: "https://upload.wikimedia.org/wikipedia/commons/thumb/3/38/Prometheus_software_logo.svg/1200px-Prometheus_software_logo.svg.png",
Attachments: []*model.SlackAttachment{attachment},
}
err := send(os.Getenv("MATTERMOST_ALERTS_HOOK"), payload)
if err != nil {
return errors.Wrap(err, "failed tο send Mattermost error payload")
}
return nil
}