mirror of
https://github.com/GSA/notifications-api.git
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070b79c27e
We already trigger a zendesk ticket for these two cases, meaning that whenever we get this situation, we get 3 emails. One for the zendesk ticket, one from logit raising the fact an exception was raised and one from cloudwatch raising the fact an exception was raised. We don't need all these emails, a zendesk ticket is sufficient. Downgrading to a warning means this event will still be findable in our logs however.
313 lines
13 KiB
Python
313 lines
13 KiB
Python
import uuid
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from datetime import (
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datetime,
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timedelta
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)
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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 and_
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from sqlalchemy.exc import SQLAlchemyError
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from app import cbc_proxy_client, notify_celery, zendesk_client
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from app.celery.tasks import (
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process_job,
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get_recipient_csv_and_template_and_sender_id,
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process_row,
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process_incomplete_jobs)
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from app.celery.letters_pdf_tasks import get_pdf_for_templated_letter
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from app.celery.broadcast_message_tasks import trigger_link_test
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from app.config import QueueNames
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from app.dao.invited_org_user_dao import delete_org_invitations_created_more_than_two_days_ago
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from app.dao.invited_user_dao import delete_invitations_created_more_than_two_days_ago
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from app.dao.jobs_dao import (
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dao_set_scheduled_jobs_to_pending,
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find_jobs_with_missing_rows,
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find_missing_row_for_job
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)
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from app.dao.jobs_dao import dao_update_job
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from app.dao.notifications_dao import (
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notifications_not_yet_sent,
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dao_precompiled_letters_still_pending_virus_check,
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dao_old_letters_with_created_status,
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letters_missing_from_sending_bucket,
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is_delivery_slow_for_providers,
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)
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from app.dao.provider_details_dao import (
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dao_reduce_sms_provider_priority,
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dao_adjust_provider_priority_back_to_resting_points
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)
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from app.dao.users_dao import delete_codes_older_created_more_than_a_day_ago
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from app.dao.services_dao import dao_find_services_sending_to_tv_numbers, dao_find_services_with_high_failure_rates
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from app.models import (
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Job,
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JOB_STATUS_IN_PROGRESS,
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JOB_STATUS_ERROR,
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SMS_TYPE,
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EMAIL_TYPE,
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)
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from app.notifications.process_notifications import send_notification_to_queue
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@notify_celery.task(name="run-scheduled-jobs")
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@statsd(namespace="tasks")
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def run_scheduled_jobs():
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try:
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for job in dao_set_scheduled_jobs_to_pending():
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process_job.apply_async([str(job.id)], queue=QueueNames.JOBS)
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current_app.logger.info("Job ID {} added to process job queue".format(job.id))
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except SQLAlchemyError:
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current_app.logger.exception("Failed to run scheduled jobs")
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raise
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@notify_celery.task(name="delete-verify-codes")
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@statsd(namespace="tasks")
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def delete_verify_codes():
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try:
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start = datetime.utcnow()
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deleted = delete_codes_older_created_more_than_a_day_ago()
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current_app.logger.info(
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"Delete job started {} finished {} deleted {} verify codes".format(start, datetime.utcnow(), deleted)
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)
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except SQLAlchemyError:
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current_app.logger.exception("Failed to delete verify codes")
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raise
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@notify_celery.task(name="delete-invitations")
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@statsd(namespace="tasks")
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def delete_invitations():
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try:
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start = datetime.utcnow()
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deleted_invites = delete_invitations_created_more_than_two_days_ago()
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deleted_invites += delete_org_invitations_created_more_than_two_days_ago()
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current_app.logger.info(
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"Delete job started {} finished {} deleted {} invitations".format(start, datetime.utcnow(), deleted_invites)
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)
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except SQLAlchemyError:
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current_app.logger.exception("Failed to delete invitations")
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raise
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@notify_celery.task(name='switch-current-sms-provider-on-slow-delivery')
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@statsd(namespace="tasks")
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def switch_current_sms_provider_on_slow_delivery():
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"""
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Reduce provider's priority if at least 30% of notifications took more than four minutes to be delivered
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in the last ten minutes. If both providers are slow, don't do anything. If we changed the providers in the
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last ten minutes, then don't update them again either.
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"""
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slow_delivery_notifications = is_delivery_slow_for_providers(
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threshold=0.3,
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created_at=datetime.utcnow() - timedelta(minutes=10),
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delivery_time=timedelta(minutes=4),
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)
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# only adjust if some values are true and some are false - ie, don't adjust if all providers are fast or
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# all providers are slow
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if len(set(slow_delivery_notifications.values())) != 1:
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for provider_name, is_slow in slow_delivery_notifications.items():
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if is_slow:
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current_app.logger.warning('Slow delivery notifications detected for provider {}'.format(provider_name))
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dao_reduce_sms_provider_priority(provider_name, time_threshold=timedelta(minutes=10))
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@notify_celery.task(name='tend-providers-back-to-middle')
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@statsd(namespace='tasks')
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def tend_providers_back_to_middle():
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dao_adjust_provider_priority_back_to_resting_points()
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@notify_celery.task(name='check-job-status')
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@statsd(namespace="tasks")
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def check_job_status():
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"""
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every x minutes do this check
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select
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from jobs
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where job_status == 'in progress'
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and template_type in ('sms', 'email')
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and scheduled_at or created_at is older that 30 minutes.
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if any results then
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raise error
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process the rows in the csv that are missing (in another task) just do the check here.
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"""
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thirty_minutes_ago = datetime.utcnow() - timedelta(minutes=30)
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thirty_five_minutes_ago = datetime.utcnow() - timedelta(minutes=35)
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jobs_not_complete_after_30_minutes = Job.query.filter(
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Job.job_status == JOB_STATUS_IN_PROGRESS,
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and_(thirty_five_minutes_ago < Job.processing_started, Job.processing_started < thirty_minutes_ago)
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).order_by(Job.processing_started).all()
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# temporarily mark them as ERROR so that they don't get picked up by future check_job_status tasks
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# if they haven't been re-processed in time.
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job_ids = []
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for job in jobs_not_complete_after_30_minutes:
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job.job_status = JOB_STATUS_ERROR
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dao_update_job(job)
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job_ids.append(str(job.id))
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if job_ids:
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current_app.logger.info("Job(s) {} have not completed.".format(job_ids))
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process_incomplete_jobs.apply_async(
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[job_ids],
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queue=QueueNames.JOBS
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)
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@notify_celery.task(name='replay-created-notifications')
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@statsd(namespace="tasks")
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def replay_created_notifications():
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# if the notification has not be send after 1 hour, then try to resend.
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resend_created_notifications_older_than = (60 * 60)
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for notification_type in (EMAIL_TYPE, SMS_TYPE):
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notifications_to_resend = notifications_not_yet_sent(
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resend_created_notifications_older_than,
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notification_type
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)
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if len(notifications_to_resend) > 0:
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current_app.logger.info("Sending {} {} notifications "
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"to the delivery queue because the notification "
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"status was created.".format(len(notifications_to_resend), notification_type))
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for n in notifications_to_resend:
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send_notification_to_queue(notification=n, research_mode=n.service.research_mode)
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# if the letter has not be send after an hour, then create a zendesk ticket
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letters = letters_missing_from_sending_bucket(resend_created_notifications_older_than)
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if len(letters) > 0:
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msg = "{} letters were created over an hour ago, " \
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"but do not have an updated_at timestamp or billable units. " \
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"\n Creating app.celery.letters_pdf_tasks.create_letters tasks to upload letter to S3 " \
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"and update notifications for the following notification ids: " \
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"\n {}".format(len(letters), [x.id for x in letters])
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current_app.logger.info(msg)
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for letter in letters:
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get_pdf_for_templated_letter.apply_async([str(letter.id)], queue=QueueNames.CREATE_LETTERS_PDF)
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@notify_celery.task(name='check-precompiled-letter-state')
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@statsd(namespace="tasks")
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def check_precompiled_letter_state():
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letters = dao_precompiled_letters_still_pending_virus_check()
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if len(letters) > 0:
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letter_ids = [(str(letter.id), letter.reference) for letter in letters]
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msg = """{} precompiled letters have been pending-virus-check for over 90 minutes. Follow runbook to resolve:
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https://github.com/alphagov/notifications-manuals/wiki/Support-Runbook#Deal-with-letter-pending-virus-scan-for-90-minutes.
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Notifications: {}""".format(len(letters), sorted(letter_ids))
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current_app.logger.warning(msg)
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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="[{}] Letters still pending virus check".format(current_app.config['NOTIFY_ENVIRONMENT']),
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message=msg,
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ticket_type=zendesk_client.TYPE_INCIDENT
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)
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@notify_celery.task(name='check-templated-letter-state')
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@statsd(namespace="tasks")
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def check_templated_letter_state():
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letters = dao_old_letters_with_created_status()
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if len(letters) > 0:
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letter_ids = [str(letter.id) for letter in letters]
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msg = "{} letters were created before 17.30 yesterday and still have 'created' status. " \
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"Notifications: {}".format(len(letters), letter_ids)
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current_app.logger.warning(msg)
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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="[{}] Letters still in 'created' status".format(current_app.config['NOTIFY_ENVIRONMENT']),
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message=msg,
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ticket_type=zendesk_client.TYPE_INCIDENT
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)
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@notify_celery.task(name='check-for-missing-rows-in-completed-jobs')
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def check_for_missing_rows_in_completed_jobs():
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jobs = find_jobs_with_missing_rows()
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for job in jobs:
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recipient_csv, template, sender_id = get_recipient_csv_and_template_and_sender_id(job)
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missing_rows = find_missing_row_for_job(job.id, job.notification_count)
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for row_to_process in missing_rows:
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row = recipient_csv[row_to_process.missing_row]
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current_app.logger.info(
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"Processing missing row: {} for job: {}".format(row_to_process.missing_row, job.id))
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process_row(row, template, job, job.service, sender_id=sender_id)
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@notify_celery.task(name='check-for-services-with-high-failure-rates-or-sending-to-tv-numbers')
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@statsd(namespace="tasks")
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def check_for_services_with_high_failure_rates_or_sending_to_tv_numbers():
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start_date = (datetime.utcnow() - timedelta(days=1))
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end_date = datetime.utcnow()
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message = ""
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services_with_failures = dao_find_services_with_high_failure_rates(start_date=start_date, end_date=end_date)
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services_sending_to_tv_numbers = dao_find_services_sending_to_tv_numbers(start_date=start_date, end_date=end_date)
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if services_with_failures:
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message += "{} service(s) have had high permanent-failure rates for sms messages in last 24 hours:\n".format(
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len(services_with_failures)
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)
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for service in services_with_failures:
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service_dashboard = "{}/services/{}".format(
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current_app.config['ADMIN_BASE_URL'],
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str(service.service_id),
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)
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message += "service: {} failure rate: {},\n".format(service_dashboard, service.permanent_failure_rate)
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elif services_sending_to_tv_numbers:
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message += "{} service(s) have sent over 500 sms messages to tv numbers in last 24 hours:\n".format(
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len(services_sending_to_tv_numbers)
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)
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for service in services_sending_to_tv_numbers:
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service_dashboard = "{}/services/{}".format(
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current_app.config['ADMIN_BASE_URL'],
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str(service.service_id),
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)
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message += "service: {} count of sms to tv numbers: {},\n".format(
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service_dashboard, service.notification_count
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)
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if services_with_failures or services_sending_to_tv_numbers:
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current_app.logger.warning(message)
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if current_app.config['NOTIFY_ENVIRONMENT'] in ['live', 'production', 'test']:
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message += ("\nYou can find instructions for this ticket in our manual:\n"
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"https://github.com/alphagov/notifications-manuals/wiki/Support-Runbook#Deal-with-services-with-high-failure-rates-or-sending-sms-to-tv-numbers") # noqa
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zendesk_client.create_ticket(
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subject="[{}] High failure rates for sms spotted for services".format(
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current_app.config['NOTIFY_ENVIRONMENT']
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),
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message=message,
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ticket_type=zendesk_client.TYPE_INCIDENT
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)
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@notify_celery.task(name='send-canary-to-cbc-proxy')
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def send_canary_to_cbc_proxy():
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if current_app.config['CBC_PROXY_ENABLED']:
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identifier = str(uuid.uuid4())
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message = f"Sending a canary message to CBC proxy with ID {identifier}"
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current_app.logger.info(message)
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cbc_proxy_client.get_proxy('canary').send_canary(identifier)
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@notify_celery.task(name='trigger-link-tests')
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def trigger_link_tests():
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if current_app.config['CBC_PROXY_ENABLED']:
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for cbc_name in current_app.config['ENABLED_CBCS']:
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trigger_link_test.apply_async(kwargs={'provider': cbc_name}, queue=QueueNames.BROADCASTS)
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