mirror of
https://github.com/GSA/notifications-api.git
synced 2025-12-21 07:51:13 -05:00
085e3a8435
Based on this https://github.com/alphagov/notifications-api/pull/2788 where some concerns were raised. This should be a quicker fix to get our the deletions to run sequentially for all the notification types. Note, email is first as most important as makes up the larger numbers (we wouldn't want it to start with SMS, fail half way for a reason that only affects SMS and for that to affect the email deletion). We hope that by running sequentially we will reduce conflicts writing to the same index and this will speed up the total time it takes to finish deleting all notification types older than their retention time. There is a risk that whilst quicker per job, as they now run sequentially rather than potentially overlapping, they will take longer overall. We will need to monitor to see.
327 lines
12 KiB
Python
327 lines
12 KiB
Python
from datetime import (
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datetime,
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timedelta
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)
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import pytz
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from flask import current_app
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from notifications_utils.statsd_decorators import statsd
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from sqlalchemy import func
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from sqlalchemy.exc import SQLAlchemyError
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from app import notify_celery, performance_platform_client, zendesk_client
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from app.aws import s3
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from app.celery.service_callback_tasks import (
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send_delivery_status_to_service,
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create_delivery_status_callback_data,
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)
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from app.config import QueueNames
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from app.dao.inbound_sms_dao import delete_inbound_sms_older_than_retention
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from app.dao.jobs_dao import (
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dao_get_jobs_older_than_data_retention,
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dao_archive_job
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)
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from app.dao.notifications_dao import (
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dao_timeout_notifications,
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delete_notifications_older_than_retention_by_type,
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)
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from app.dao.service_callback_api_dao import get_service_delivery_status_callback_api_for_service
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from app.exceptions import NotificationTechnicalFailureException
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from app.models import (
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Notification,
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NOTIFICATION_SENDING,
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EMAIL_TYPE,
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SMS_TYPE,
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LETTER_TYPE,
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KEY_TYPE_NORMAL
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)
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from app.performance_platform import total_sent_notifications, processing_time
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from app.cronitor import cronitor
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from app.utils import get_london_midnight_in_utc
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@notify_celery.task(name="remove_sms_email_jobs")
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@cronitor("remove_sms_email_jobs")
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@statsd(namespace="tasks")
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def remove_sms_email_csv_files():
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_remove_csv_files([EMAIL_TYPE, SMS_TYPE])
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@notify_celery.task(name="remove_letter_jobs")
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@cronitor("remove_letter_jobs")
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@statsd(namespace="tasks")
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def remove_letter_csv_files():
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_remove_csv_files([LETTER_TYPE])
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def _remove_csv_files(job_types):
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jobs = dao_get_jobs_older_than_data_retention(notification_types=job_types)
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for job in jobs:
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s3.remove_job_from_s3(job.service_id, job.id)
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dao_archive_job(job)
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current_app.logger.info("Job ID {} has been removed from s3.".format(job.id))
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@notify_celery.task(name="delete-notifications-older-than-retention")
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@statsd(namespace="tasks")
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def delete_notifications_older_than_retention():
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delete_email_notifications_older_than_retention()
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delete_sms_notifications_older_than_retention()
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delete_letter_notifications_older_than_retention()
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@notify_celery.task(name="delete-sms-notifications")
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@cronitor("delete-sms-notifications")
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@statsd(namespace="tasks")
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def delete_sms_notifications_older_than_retention():
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try:
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start = datetime.utcnow()
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deleted = delete_notifications_older_than_retention_by_type('sms')
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current_app.logger.info(
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"Delete {} job started {} finished {} deleted {} sms notifications".format(
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'sms',
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start,
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datetime.utcnow(),
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deleted
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)
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)
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except SQLAlchemyError:
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current_app.logger.exception("Failed to delete sms notifications")
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raise
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@notify_celery.task(name="delete-email-notifications")
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@cronitor("delete-email-notifications")
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@statsd(namespace="tasks")
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def delete_email_notifications_older_than_retention():
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try:
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start = datetime.utcnow()
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deleted = delete_notifications_older_than_retention_by_type('email')
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current_app.logger.info(
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"Delete {} job started {} finished {} deleted {} email notifications".format(
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'email',
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start,
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datetime.utcnow(),
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deleted
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)
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)
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except SQLAlchemyError:
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current_app.logger.exception("Failed to delete email notifications")
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raise
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@notify_celery.task(name="delete-letter-notifications")
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@cronitor("delete-letter-notifications")
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@statsd(namespace="tasks")
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def delete_letter_notifications_older_than_retention():
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try:
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start = datetime.utcnow()
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deleted = delete_notifications_older_than_retention_by_type('letter')
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current_app.logger.info(
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"Delete {} job started {} finished {} deleted {} letter notifications".format(
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'letter',
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start,
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datetime.utcnow(),
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deleted
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)
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)
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except SQLAlchemyError:
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current_app.logger.exception("Failed to delete letter notifications")
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raise
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@notify_celery.task(name='timeout-sending-notifications')
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@cronitor('timeout-sending-notifications')
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@statsd(namespace="tasks")
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def timeout_notifications():
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technical_failure_notifications, temporary_failure_notifications = \
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dao_timeout_notifications(current_app.config.get('SENDING_NOTIFICATIONS_TIMEOUT_PERIOD'))
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notifications = technical_failure_notifications + temporary_failure_notifications
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for notification in notifications:
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# queue callback task only if the service_callback_api exists
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service_callback_api = get_service_delivery_status_callback_api_for_service(service_id=notification.service_id)
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if service_callback_api:
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encrypted_notification = create_delivery_status_callback_data(notification, service_callback_api)
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send_delivery_status_to_service.apply_async([str(notification.id), encrypted_notification],
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queue=QueueNames.CALLBACKS)
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current_app.logger.info(
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"Timeout period reached for {} notifications, status has been updated.".format(len(notifications)))
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if technical_failure_notifications:
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message = "{} notifications have been updated to technical-failure because they " \
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"have timed out and are still in created.Notification ids: {}".format(
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len(technical_failure_notifications), [str(x.id) for x in technical_failure_notifications])
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raise NotificationTechnicalFailureException(message)
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@notify_celery.task(name='send-daily-performance-platform-stats')
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@cronitor('send-daily-performance-platform-stats')
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@statsd(namespace="tasks")
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def send_daily_performance_platform_stats(date=None):
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# date is a string in the format of "YYYY-MM-DD"
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if date is None:
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date = (datetime.utcnow() - timedelta(days=1)).date()
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else:
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date = datetime.strptime(date, "%Y-%m-%d").date()
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if performance_platform_client.active:
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send_total_sent_notifications_to_performance_platform(bst_date=date)
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processing_time.send_processing_time_to_performance_platform(bst_date=date)
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def send_total_sent_notifications_to_performance_platform(bst_date):
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count_dict = total_sent_notifications.get_total_sent_notifications_for_day(bst_date)
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start_time = get_london_midnight_in_utc(bst_date)
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email_sent_count = count_dict['email']
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sms_sent_count = count_dict['sms']
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letter_sent_count = count_dict['letter']
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current_app.logger.info(
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"Attempting to update Performance Platform for {} with {} emails, {} text messages and {} letters"
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.format(bst_date, email_sent_count, sms_sent_count, letter_sent_count)
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)
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total_sent_notifications.send_total_notifications_sent_for_day_stats(
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start_time,
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'sms',
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sms_sent_count
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)
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total_sent_notifications.send_total_notifications_sent_for_day_stats(
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start_time,
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'email',
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email_sent_count
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)
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total_sent_notifications.send_total_notifications_sent_for_day_stats(
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start_time,
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'letter',
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letter_sent_count
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)
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@notify_celery.task(name="delete-inbound-sms")
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@cronitor("delete-inbound-sms")
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@statsd(namespace="tasks")
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def delete_inbound_sms():
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try:
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start = datetime.utcnow()
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deleted = delete_inbound_sms_older_than_retention()
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current_app.logger.info(
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"Delete inbound sms job started {} finished {} deleted {} inbound sms notifications".format(
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start,
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datetime.utcnow(),
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deleted
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)
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)
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except SQLAlchemyError:
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current_app.logger.exception("Failed to delete inbound sms notifications")
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raise
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@notify_celery.task(name="raise-alert-if-letter-notifications-still-sending")
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@cronitor("raise-alert-if-letter-notifications-still-sending")
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@statsd(namespace="tasks")
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def raise_alert_if_letter_notifications_still_sending():
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still_sending_count, sent_date = get_letter_notifications_still_sending_when_they_shouldnt_be()
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if still_sending_count:
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message = "There are {} letters in the 'sending' state from {}".format(
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still_sending_count,
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sent_date.strftime('%A %d %B')
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)
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# Only send alerts in production
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if current_app.config['NOTIFY_ENVIRONMENT'] in ['live', 'production', 'test']:
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message += ". Resolve using https://github.com/alphagov/notifications-manuals/wiki/Support-Runbook#deal-with-letters-still-in-sending" # noqa
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zendesk_client.create_ticket(
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subject="[{}] Letters still sending".format(current_app.config['NOTIFY_ENVIRONMENT']),
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message=message,
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ticket_type=zendesk_client.TYPE_INCIDENT
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)
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else:
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current_app.logger.info(message)
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def get_letter_notifications_still_sending_when_they_shouldnt_be():
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today = datetime.utcnow().date()
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# Do nothing on the weekend
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if today.isoweekday() in {6, 7}: # sat, sun
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return 0, None
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if today.isoweekday() in {1, 2}: # mon, tues. look for files from before the weekend
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offset_days = 4
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else:
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offset_days = 2
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expected_sent_date = today - timedelta(days=offset_days)
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q = Notification.query.filter(
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Notification.notification_type == LETTER_TYPE,
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Notification.status == NOTIFICATION_SENDING,
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Notification.key_type == KEY_TYPE_NORMAL,
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func.date(Notification.sent_at) <= expected_sent_date
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)
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if today.isoweekday() in {2, 4}: # on tue, thu, we only care about first class letters
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q = q.filter(
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Notification.postage == 'first'
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)
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return q.count(), expected_sent_date
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@notify_celery.task(name='raise-alert-if-no-letter-ack-file')
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@cronitor('raise-alert-if-no-letter-ack-file')
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@statsd(namespace="tasks")
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def letter_raise_alert_if_no_ack_file_for_zip():
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# get a list of zip files since yesterday
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zip_file_set = set()
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today_str = datetime.utcnow().strftime('%Y-%m-%d')
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yesterday = datetime.now(tz=pytz.utc) - timedelta(days=1) # AWS datetime format
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for key in s3.get_list_of_files_by_suffix(bucket_name=current_app.config['LETTERS_PDF_BUCKET_NAME'],
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subfolder=today_str + '/zips_sent',
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suffix='.TXT'):
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subname = key.split('/')[-1] # strip subfolder in name
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zip_file_set.add(subname.upper().replace('.ZIP.TXT', ''))
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# get acknowledgement file
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ack_file_set = set()
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for key in s3.get_list_of_files_by_suffix(bucket_name=current_app.config['DVLA_RESPONSE_BUCKET_NAME'],
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subfolder='root/dispatch', suffix='.ACK.txt', last_modified=yesterday):
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ack_file_set.add(key.lstrip('root/dispatch').upper().replace('.ACK.TXT', ''))
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message = (
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"Letter ack file does not contain all zip files sent. "
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"Missing ack for zip files: {}, "
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"pdf bucket: {}, subfolder: {}, "
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"ack bucket: {}"
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).format(
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str(sorted(zip_file_set - ack_file_set)),
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current_app.config['LETTERS_PDF_BUCKET_NAME'],
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datetime.utcnow().strftime('%Y-%m-%d') + '/zips_sent',
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current_app.config['DVLA_RESPONSE_BUCKET_NAME']
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)
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# strip empty element before comparison
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ack_file_set.discard('')
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zip_file_set.discard('')
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if len(zip_file_set - ack_file_set) > 0:
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if current_app.config['NOTIFY_ENVIRONMENT'] in ['live', 'production', 'test']:
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zendesk_client.create_ticket(
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subject="Letter acknowledge error",
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message=message,
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ticket_type=zendesk_client.TYPE_INCIDENT
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)
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current_app.logger.error(message)
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if len(ack_file_set - zip_file_set) > 0:
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current_app.logger.info(
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"letter ack contains zip that is not for today: {}".format(ack_file_set - zip_file_set)
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)
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