oncall-engine/engine/apps/api/views/route_regex_debugger.py
Vadim Stepanov 16bbfbbe73
Alert list view & caching rework (#216)
* remove cache usage in AlertGroupView

* remove CustomSearchFilter

* remove caching for alerts

* remove readonly db setup

* render templates on alert creation

* serialize only necessary fields on alert groups list

* optimize AlertGroupListSerializer

* return on-demand templating for alerts

* return on-demand templating for alert groups

* use CursorPaginator

* remove templating on alert create

* pass alert to AlertGroupWebRenderer

* alert_count -> alerts_count

* make sql joins after pagination

* add migration

* bring alert.save() back

* fix tests

* fix tests

* fix tests

* add perpage query param

* add cursor pagination to incidents page

* remove cached_render_for_web usage

* post merge fix

* keep cursor

* lint

* remove get_alert_groups_and_days_for_previous_same_period

* fix pagination on navigate

* refine search_fields on AlertGroupView

Co-authored-by: Maxim <hello.makson@gmail.com>
Co-authored-by: Maxim <maxim.mordasov@grafana.com>
2022-07-14 15:19:25 +01:00

56 lines
2.1 KiB
Python

import json
import re
from django.db.models import Prefetch
from rest_framework.permissions import IsAuthenticated
from rest_framework.response import Response
from rest_framework.views import APIView
from apps.alerts.incident_appearance.renderers.web_renderer import AlertWebRenderer
from apps.alerts.models import Alert, AlertGroup
from apps.auth_token.auth import PluginAuthentication
from common.api_helpers.exceptions import BadRequest
class RouteRegexDebuggerView(APIView):
authentication_classes = (PluginAuthentication,)
permission_classes = (IsAuthenticated,)
def get(self, request):
organization = self.request.auth.organization
team = self.request.user.current_team
regex = request.query_params.get("regex", None)
if regex is None:
raise BadRequest(detail={"regex": ["This field is required."]})
if regex == "":
return Response([])
try:
re.compile(regex)
except re.error:
raise BadRequest(detail={"regex": ["Invalid regex."]})
incidents_matching_regex = []
MAX_INCIDENTS_TO_SHOW = 5
INCIDENTS_TO_LOOKUP = 100
for ag in (
AlertGroup.unarchived_objects.prefetch_related(Prefetch("alerts", queryset=Alert.objects.order_by("pk")))
.filter(channel__organization=organization, channel__team=team)
.order_by("-started_at")[:INCIDENTS_TO_LOOKUP]
):
if len(incidents_matching_regex) < MAX_INCIDENTS_TO_SHOW:
first_alert = ag.alerts.all()[0]
if re.search(regex, json.dumps(first_alert.raw_request_data)):
title = AlertWebRenderer(first_alert).render()["title"]
incidents_matching_regex.append(
{
"title": title,
"pk": ag.public_primary_key,
"payload": first_alert.raw_request_data,
"inside_organization_number": ag.inside_organization_number,
}
)
return Response(incidents_matching_regex)