Files
notifications-api/app/celery/broadcast_message_tasks.py
Leo Hemsted e2fa0116a0 add CBC_PROXY_ENABLED config flag to control if tasks are triggered
previously we made some incorrect assumptions about set-up on staging
and prod - they currently don't have any cbc_proxy aws creds at all.

We shoudn't be attempting canaries or link tests when there's no AWS
infrastructure to connect to.

We also shouldn't bother writing a row into the database at all for the
broadcast_provider_message since we're not even attempting to send, and
we shouldn't get confused between messages that failed and messages we
never wanted to send at all.
2020-11-26 10:16:22 +00:00

98 lines
4.1 KiB
Python

import uuid
from flask import current_app
from notifications_utils.statsd_decorators import statsd
from app import cbc_proxy_client, notify_celery
from app.config import QueueNames
from app.models import BroadcastEventMessageType
from app.dao.broadcast_message_dao import dao_get_broadcast_event_by_id, create_broadcast_provider_message
@notify_celery.task(name="send-broadcast-event")
@statsd(namespace="tasks")
def send_broadcast_event(broadcast_event_id):
if not current_app.config['CBC_PROXY_ENABLED']:
current_app.logger.info(f'CBC Proxy disabled, not sending broadcast_event {broadcast_event_id}')
return
for provider in current_app.config['ENABLED_CBCS']:
# TODO: Decide whether to send to each provider based on platform admin, service level settings, broadcast
# level settings, etc.
send_broadcast_provider_message.apply_async(
kwargs={'broadcast_event_id': broadcast_event_id, 'provider': provider},
queue=QueueNames.NOTIFY
)
@notify_celery.task(name="send-broadcast-provider-message")
@statsd(namespace="tasks")
def send_broadcast_provider_message(broadcast_event_id, provider):
broadcast_event = dao_get_broadcast_event_by_id(broadcast_event_id)
broadcast_provider_message = create_broadcast_provider_message(broadcast_event, provider)
current_app.logger.info(
f'invoking cbc proxy to send '
f'broadcast_event {broadcast_event.reference} '
f'msgType {broadcast_event.message_type}'
)
areas = [
{"polygon": polygon}
for polygon in broadcast_event.transmitted_areas["simple_polygons"]
]
cbc_proxy_provider_client = cbc_proxy_client.get_proxy(provider)
if broadcast_event.message_type == BroadcastEventMessageType.ALERT:
cbc_proxy_provider_client.create_and_send_broadcast(
identifier=str(broadcast_provider_message.id),
headline="GOV.UK Notify Broadcast",
description=broadcast_event.transmitted_content['body'],
areas=areas,
sent=broadcast_event.sent_at_as_cap_datetime_string,
expires=broadcast_event.transmitted_finishes_at_as_cap_datetime_string,
)
elif broadcast_event.message_type == BroadcastEventMessageType.UPDATE:
cbc_proxy_provider_client.update_and_send_broadcast(
identifier=str(broadcast_provider_message.id),
headline="GOV.UK Notify Broadcast",
description=broadcast_event.transmitted_content['body'],
areas=areas,
previous_provider_messages=broadcast_event.get_earlier_provider_messages(provider),
sent=broadcast_event.sent_at_as_cap_datetime_string,
expires=broadcast_event.transmitted_finishes_at_as_cap_datetime_string,
)
elif broadcast_event.message_type == BroadcastEventMessageType.CANCEL:
cbc_proxy_provider_client.cancel_broadcast(
identifier=str(broadcast_provider_message.id),
headline="GOV.UK Notify Broadcast",
description=broadcast_event.transmitted_content['body'],
areas=areas,
previous_provider_messages=broadcast_event.get_earlier_provider_messages(provider),
sent=broadcast_event.sent_at_as_cap_datetime_string,
expires=broadcast_event.transmitted_finishes_at_as_cap_datetime_string,
)
@notify_celery.task(name='trigger-link-test')
def trigger_link_test(provider):
"""
Currently we only have one hardcoded CBC Proxy, which corresponds to one
CBC, and so currently we do not specify the CBC Proxy name
In future we will have multiple CBC proxies, each proxy corresponding to
one MNO's CBC
This task should invoke other tasks which do the actual link tests, eg:
for cbc_name in app.config.ENABLED_CBCS:
send_link_test_for_cbc(cbc_name)
Alternatively this task could be configured to be a Celery group
"""
identifier = str(uuid.uuid4())
message = f"Sending a link test to CBC proxy for provider {provider} with ID {identifier}"
current_app.logger.info(message)
cbc_proxy_client.get_proxy(provider).send_link_test(identifier)