package main import ( "bytes" "fmt" tTemplate "text/template" "github.com/gofiber/fiber/v2" "github.com/prometheus/alertmanager/template" "maunium.net/go/mautrix" "maunium.net/go/mautrix/id" ) func HandleAlertmanagerPayloadPost(c *fiber.Ctx) error { payload := template.Data{} if err := c.BodyParser(&payload); err != nil { fmt.Println("Failed to parse payload", err) return err } fmt.Println("Got alertmanager payload") for _, alert := range payload.Alerts { message := "" var rendered bytes.Buffer at, _ := tTemplate.New("AlertMessage").Parse(alert.Annotations["description"]) at.Execute(&rendered, alert) if alert.Status == "firing" { switch alert.Labels["severity"] { case "warning": message = fmt.Sprintf("⚠️ %s", rendered.String()) case "notify": message = fmt.Sprintf("@room - %s", rendered.String()) } } else { message = fmt.Sprintf("☑️ %s", rendered.String()) } _, err := matrixClient.SendText(id.RoomID(getRoom(*defaultRoom)), message) if err != nil { fmt.Println("Failed sending to Matrix", err) if httpErr, ok := err.(mautrix.HTTPError); ok { return c.Status(httpErr.Response.StatusCode).SendString(httpErr.RespError.Err) } return fiber.ErrInternalServerError } } return c.SendStatus(fiber.StatusOK) }