tank/alertmanager.go

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package main
import (
"fmt"
"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 {
return err
}
for _, alert := range payload.Alerts {
message := ""
if alert.Status == "firing" {
switch alert.Labels["severity"] {
case "warning":
message = fmt.Sprintf("⚠️ %s", alert.Annotations["description"])
case "notify":
message = fmt.Sprintf("@room - %s", alert.Annotations["description"])
}
} else {
message = fmt.Sprintf("☑️ %s", alert.Annotations["description"])
}
_, err := matrixClient.SendText(id.RoomID(*defaultRoom), message)
if err != nil {
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)
}