oncall-engine/engine/apps/webhooks/tasks/trigger_webhook.py

144 lines
4.8 KiB
Python

import json
import logging
from json import JSONDecodeError
from celery.utils.log import get_task_logger
from django.apps import apps
from django.conf import settings
from django.utils import timezone
from apps.alerts.models import AlertGroup
from apps.user_management.models import User
from apps.webhooks.models import Webhook, WebhookLog
from apps.webhooks.utils import (
InvalidWebhookData,
InvalidWebhookHeaders,
InvalidWebhookTrigger,
InvalidWebhookUrl,
serialize_event,
)
from common.custom_celery_tasks import shared_dedicated_queue_retry_task
logger = get_task_logger(__name__)
logger.setLevel(logging.DEBUG)
@shared_dedicated_queue_retry_task(
autoretry_for=(Exception,), retry_backoff=True, max_retries=1 if settings.DEBUG else None
)
def send_webhook_event(trigger_type, alert_group_id, team_id=None, organization_id=None, user_id=None):
Webhooks = apps.get_model("webhooks", "Webhook")
webhooks_qs = Webhooks.objects.filter(trigger_type=trigger_type, organization_id=organization_id, team_id=team_id)
for webhook in webhooks_qs:
execute_webhook.apply_async((webhook.pk, alert_group_id, user_id))
def _isoformat_date(date_value):
return date_value.isoformat() if date_value else None
def _build_payload(trigger_type, alert_group_id, user_id):
user = None
try:
alert_group = AlertGroup.unarchived_objects.get(pk=alert_group_id)
if user_id is not None:
user = User.objects.filter(pk=user_id).first()
except AlertGroup.DoesNotExist:
return
if trigger_type == Webhook.TRIGGER_NEW:
event = {
"type": "Firing",
"time": _isoformat_date(alert_group.started_at),
}
elif trigger_type == Webhook.TRIGGER_ACKNOWLEDGE:
event = {
"type": "Acknowledge",
"time": _isoformat_date(alert_group.acknowledged_at),
}
elif trigger_type == Webhook.TRIGGER_RESOLVE:
event = {
"type": "Resolve",
"time": _isoformat_date(alert_group.resolved_at),
}
elif trigger_type == Webhook.TRIGGER_SILENCE:
event = {
"type": "Silence",
"time": _isoformat_date(alert_group.silenced_at),
"until": _isoformat_date(alert_group.silenced_until),
}
elif trigger_type == Webhook.TRIGGER_UNSILENCE:
event = {
"type": "Unsilence",
}
elif trigger_type == Webhook.TRIGGER_UNRESOLVE:
event = {
"type": "Unresolve",
}
data = serialize_event(event, alert_group, user)
return data
@shared_dedicated_queue_retry_task(
autoretry_for=(Exception,), retry_backoff=True, max_retries=1 if settings.DEBUG else None
)
def execute_webhook(webhook_pk, alert_group_id, user_id):
Webhooks = apps.get_model("webhooks", "Webhook")
try:
webhook = Webhooks.objects.get(pk=webhook_pk)
except Webhooks.DoesNotExist:
logger.warn(f"Webhook {webhook_pk} does not exist")
return
data = _build_payload(webhook.trigger_type, alert_group_id, user_id)
status = {
"last_run_at": timezone.now(),
"input_data": data,
"url": None,
"trigger": None,
"headers": None,
"data": None,
"response_status": None,
"response": None,
}
exception = None
try:
triggered, status["trigger"] = webhook.check_trigger(data)
if triggered:
status["url"] = webhook.build_url(data)
request_kwargs = webhook.build_request_kwargs(data, raise_data_errors=True)
status["headers"] = json.dumps(request_kwargs.get("headers", {}))
if webhook.forward_all:
status["data"] = "All input_data forwarded as payload"
elif "json" in request_kwargs:
status["data"] = json.dumps(request_kwargs["json"])
else:
status["data"] = request_kwargs.get("data")
response = webhook.make_request(status["url"], request_kwargs)
status["response_status"] = response.status_code
try:
status["response"] = json.dumps(response.json())
except JSONDecodeError:
status["response"] = response.content.decode("utf-8")
else:
# do not add a log entry if the webhook is not triggered
return
except InvalidWebhookUrl as e:
status["url"] = e.message
except InvalidWebhookTrigger as e:
status["trigger"] = e.message
except InvalidWebhookHeaders as e:
status["headers"] = e.message
except InvalidWebhookData as e:
status["data"] = e.message
except Exception as e:
status["response"] = str(e)
exception = e
# create/update log entry
WebhookLog.objects.update_or_create(webhook_id=webhook_pk, defaults=status)
if exception:
raise exception