zulip/zerver/webhooks/alertmanager/view.py

64 lines
2.2 KiB
Python

# Webhooks for external integrations.
from typing import Dict, List
from django.http import HttpRequest, HttpResponse
from typing_extensions import Annotated
from zerver.decorator import webhook_view
from zerver.lib.response import json_success
from zerver.lib.typed_endpoint import ApiParamConfig, JsonBodyPayload, typed_endpoint
from zerver.lib.validator import WildValue, check_string
from zerver.lib.webhooks.common import check_send_webhook_message
from zerver.models import UserProfile
@webhook_view("Alertmanager")
@typed_endpoint
def api_alertmanager_webhook(
request: HttpRequest,
user_profile: UserProfile,
*,
payload: JsonBodyPayload[WildValue],
name_field: Annotated[str, ApiParamConfig("name")] = "instance",
desc_field: Annotated[str, ApiParamConfig("desc")] = "alertname",
) -> HttpResponse:
topics: Dict[str, Dict[str, List[str]]] = {}
for alert in payload["alerts"]:
labels = alert.get("labels", {})
annotations = alert.get("annotations", {})
name = labels.get(name_field, annotations.get(name_field, "(unknown)")).tame(check_string)
desc = labels.get(
desc_field, annotations.get(desc_field, f"<missing field: {desc_field}>")
).tame(check_string)
url = alert["generatorURL"].tame(check_string).replace("tab=1", "tab=0")
body = f"{desc} ([graph]({url}))"
if name not in topics:
topics[name] = {"firing": [], "resolved": []}
topics[name][alert["status"].tame(check_string)].append(body)
for topic_name, statuses in topics.items():
for status, messages in statuses.items():
if len(messages) == 0:
continue
if status == "firing":
icon = ":alert:"
title = "FIRING"
else:
title = "Resolved"
icon = ":squared_ok:"
if len(messages) == 1:
body = f"{icon} **{title}** {messages[0]}"
else:
message_list = "\n".join(f"* {m}" for m in messages)
body = f"{icon} **{title}**\n{message_list}"
check_send_webhook_message(request, user_profile, topic_name, body)
return json_success(request)