oncall-engine/engine/apps/alerts/tasks/notify_all.py

118 lines
4.8 KiB
Python

from django.conf import settings
from apps.slack.tasks import check_slack_message_exists_before_post_message_to_thread
from common.custom_celery_tasks import shared_dedicated_queue_retry_task
from .notify_user import notify_user_task
from .task_logger import task_logger
@shared_dedicated_queue_retry_task(
autoretry_for=(Exception,), retry_backoff=True, max_retries=1 if settings.DEBUG else None
)
def notify_all_task(alert_group_pk, escalation_policy_snapshot_order=None):
from apps.alerts.models import AlertGroup, AlertGroupLogRecord, EscalationPolicy
alert_group = AlertGroup.objects.get(pk=alert_group_pk)
# check alert group state before notifying all users in the channel
if alert_group.resolved or alert_group.acknowledged or alert_group.silenced:
task_logger.info(f"alert_group {alert_group.pk} was resolved, acked or silenced forever. No need to notify all")
return
escalation_snapshot = alert_group.escalation_snapshot
try:
# escalation_policy_snapshot_order refers to order as defined in the policy,
# which is unique but not necessarily sequential and may not start from zero
escalation_policy_snapshot = [
policy
for policy in escalation_snapshot.escalation_policies_snapshots
if policy.order == escalation_policy_snapshot_order
][0]
except IndexError:
escalation_policy_snapshot = None
if not escalation_policy_snapshot:
# The step has an incorrect order. Probably the order was changed manually with terraform.
# It is a quick fix, tasks notify_all_task and notify_group_task should be refactored to avoid getting snapshot
# by order
task_logger.warning(
f"escalation_policy_snapshot for alert_group {alert_group.pk} with order "
f"{escalation_policy_snapshot_order} is not found. Skip step"
)
return
escalation_policy_pk = escalation_policy_snapshot.id
escalation_policy = EscalationPolicy.objects.filter(pk=escalation_policy_pk).first()
escalation_policy_step = escalation_policy_snapshot.step
slack_channel_id = escalation_snapshot.slack_channel_id
countdown = 0
slack_team_identity = alert_group.channel.organization.slack_team_identity
AlertGroupLogRecord(
type=AlertGroupLogRecord.TYPE_ESCALATION_TRIGGERED,
author=None,
alert_group=alert_group,
escalation_policy=escalation_policy,
escalation_policy_step=escalation_policy_step,
).save()
# we cannot notify a slack channel if team does not have slack team identity,
# because we make a request to slack to get channel members
if slack_team_identity is None or slack_channel_id is None:
AlertGroupLogRecord(
type=AlertGroupLogRecord.TYPE_ESCALATION_FAILED,
alert_group=alert_group,
escalation_policy=escalation_policy,
escalation_error_code=AlertGroupLogRecord.ERROR_ESCALATION_NOTIFY_IN_SLACK,
escalation_policy_step=escalation_policy_step,
).save()
task_logger.debug(
f"Failed to notify slack channel for alert_group {alert_group_pk} because slack team identity doesn't exist"
)
return
# get users to notify
users = slack_team_identity.get_users_from_slack_conversation_for_organization(
channel_id=slack_channel_id,
organization=alert_group.channel.organization,
)
if escalation_snapshot is not None:
escalation_policy_snapshot.notify_to_users_queue = users
escalation_snapshot.save_to_alert_group()
for user in users:
reason = "notifying everyone in the channel"
notify_user_task.apply_async(
args=(
user.pk,
alert_group.pk,
),
kwargs={"reason": reason, "prevent_posting_to_thread": True},
countdown=countdown,
)
countdown += 1
AlertGroupLogRecord(
type=AlertGroupLogRecord.TYPE_ESCALATION_TRIGGERED,
author=user,
alert_group=alert_group,
reason=reason.title(),
escalation_policy=escalation_policy,
escalation_policy_step=escalation_policy_step,
).save()
if not alert_group.skip_escalation_in_slack and alert_group.notify_in_slack_enabled:
text = "Inviting <!channel>. Reason: *Notify All* Step"
# Start task that checks if slack message exists every 10 seconds for 24 hours and publish message
# to thread if it does.
check_slack_message_exists_before_post_message_to_thread.apply_async(
args=(alert_group_pk, text),
kwargs={
"escalation_policy_pk": escalation_policy_pk,
"escalation_policy_step": escalation_policy_step,
},
countdown=5,
)