merge from main

app/__init__.py

@@ -18,6 +18,7 @@ from sqlalchemy import event
 from werkzeug.exceptions import HTTPException as WerkzeugHTTPException
 from werkzeug.local import LocalProxy
 
+from app import config
 from app.clients import NotificationProviderClients
 from app.clients.cloudwatch.aws_cloudwatch import AwsCloudwatchClient
 from app.clients.document_download import DocumentDownloadClient
@@ -58,15 +59,28 @@ class SQLAlchemy(_SQLAlchemy):
 
     def apply_driver_hacks(self, app, info, options):
         sa_url, options = super().apply_driver_hacks(app, info, options)
+
         if "connect_args" not in options:
             options["connect_args"] = {}
         options["connect_args"]["options"] = "-c statement_timeout={}".format(
             int(app.config["SQLALCHEMY_STATEMENT_TIMEOUT"]) * 1000
         )
+
         return (sa_url, options)
 
 
-db = SQLAlchemy()
+# Set db engine settings here for now.
+# They were not being set previous (despite environmental variables with appropriate
+# sounding names) and were defaulting to low values
+db = SQLAlchemy(
+    engine_options={
+        "pool_size": config.Config.SQLALCHEMY_POOL_SIZE,
+        "max_overflow": 10,
+        "pool_timeout": config.Config.SQLALCHEMY_POOL_TIMEOUT,
+        "pool_recycle": config.Config.SQLALCHEMY_POOL_RECYCLE,
+        "pool_pre_ping": True,
+    }
+)
 migrate = Migrate()
 ma = Marshmallow()
 notify_celery = NotifyCelery()

app/celery/scheduled_tasks.py

@@ -24,6 +24,7 @@ from app.dao.jobs_dao import (
     find_missing_row_for_job,
 )
 from app.dao.notifications_dao import (
+    dao_close_out_delivery_receipts,
     dao_update_delivery_receipts,
     notifications_not_yet_sent,
 )
@@ -242,6 +243,8 @@ def check_for_services_with_high_failure_rates_or_sending_to_tv_numbers():
     bind=True, max_retries=7, default_retry_delay=3600, name="process-delivery-receipts"
 )
 def process_delivery_receipts(self):
+    # If we need to check db settings do it here for convenience
+    # current_app.logger.info(f"POOL SIZE {app.db.engine.pool.size()}")
     """
     Every eight minutes or so (see config.py) we run this task, which searches the last ten
     minutes of logs for delivery receipts and batch updates the db with the results.  The overlap
@@ -278,3 +281,10 @@ def process_delivery_receipts(self):
             current_app.logger.error(
                 "Failed process delivery receipts after max retries"
             )
+
+
+@notify_celery.task(
+    bind=True, max_retries=2, default_retry_delay=3600, name="cleanup-delivery-receipts"
+)
+def cleanup_delivery_receipts(self):
+    dao_close_out_delivery_receipts()

app/clients/__init__.py

@@ -13,8 +13,7 @@ AWS_CLIENT_CONFIG = Config(
         "addressing_style": "virtual",
     },
     use_fips_endpoint=True,
-    # This is the default but just for doc sake
-    max_pool_connections=10,
+    max_pool_connections=50,  # This should be equal or greater than our celery concurrency
 )
 
 

app/config.py

@@ -90,7 +90,7 @@ class Config(object):
     SQLALCHEMY_DATABASE_URI = cloud_config.database_url
     SQLALCHEMY_RECORD_QUERIES = False
     SQLALCHEMY_TRACK_MODIFICATIONS = False
-    SQLALCHEMY_POOL_SIZE = int(getenv("SQLALCHEMY_POOL_SIZE", 5))
+    SQLALCHEMY_POOL_SIZE = int(getenv("SQLALCHEMY_POOL_SIZE", 40))
     SQLALCHEMY_POOL_TIMEOUT = 30
     SQLALCHEMY_POOL_RECYCLE = 300
     SQLALCHEMY_STATEMENT_TIMEOUT = 1200
@@ -215,6 +215,11 @@ class Config(object):
                 "schedule": timedelta(minutes=2),
                 "options": {"queue": QueueNames.PERIODIC},
             },
+            "cleanup-delivery-receipts": {
+                "task": "cleanup-delivery-receipts",
+                "schedule": timedelta(minutes=82),
+                "options": {"queue": QueueNames.PERIODIC},
+            },
             "expire-or-delete-invitations": {
                 "task": "expire-or-delete-invitations",
                 "schedule": timedelta(minutes=66),

app/dao/jobs_dao.py

@@ -45,7 +45,7 @@ def dao_get_job_by_service_id_and_job_id(service_id, job_id):
 
 def dao_get_unfinished_jobs():
     stmt = select(Job).filter(Job.processing_finished.is_(None))
-    return db.session.execute(stmt).all()
+    return db.session.execute(stmt).scalars().all()
 
 
 def dao_get_jobs_by_service_id(

app/dao/notifications_dao.py

@@ -780,3 +780,22 @@ def dao_update_delivery_receipts(receipts, delivered):
         f"#loadtestperformance batch update query time: \
         updated {len(receipts)} notification in {elapsed_time} ms"
     )
+
+
+def dao_close_out_delivery_receipts():
+    THREE_DAYS_AGO = utc_now() - timedelta(minutes=3)
+    stmt = (
+        update(Notification)
+        .where(
+            Notification.status == NotificationStatus.PENDING,
+            Notification.sent_at < THREE_DAYS_AGO,
+        )
+        .values(status=NotificationStatus.FAILED, provider_response="Technical Failure")
+    )
+    result = db.session.execute(stmt)
+
+    db.session.commit()
+    if result:
+        current_app.logger.info(
+            f"Marked {result.rowcount} notifications as technical failures"
+        )

manifest.yml

@@ -26,7 +26,7 @@ applications:
       - type: worker
         instances: ((worker_instances))
         memory: ((worker_memory))
-        command: newrelic-admin run-program celery -A run_celery.notify_celery worker --loglevel=INFO --pool=threads --concurrency=10
+        command: newrelic-admin run-program celery -A run_celery.notify_celery worker --loglevel=INFO --pool=threads --concurrency=10 --prefetch-multiplier=2
       - type: scheduler
         instances: 1
         memory: ((scheduler_memory))

tests/app/dao/notification_dao/test_notification_dao.py

@@ -11,6 +11,7 @@ from sqlalchemy.orm.exc import NoResultFound
 
 from app import db
 from app.dao.notifications_dao import (
+    dao_close_out_delivery_receipts,
     dao_create_notification,
     dao_delete_notifications_by_id,
     dao_get_last_notification_added_for_job_id,
@@ -2026,6 +2027,23 @@ def test_update_delivery_receipts(mocker):
     assert "provider_response" in kwargs
 
 
+def test_close_out_delivery_receipts(mocker):
+    mock_session = mocker.patch("app.dao.notifications_dao.db.session")
+    mock_update = MagicMock()
+    mock_where = MagicMock()
+    mock_values = MagicMock()
+    mock_update.where.return_value = mock_where
+    mock_where.values.return_value = mock_values
+
+    mock_session.execute.return_value = None
+    with patch("app.dao.notifications_dao.update", return_value=mock_update):
+        dao_close_out_delivery_receipts()
+    mock_update.where.assert_called_once()
+    mock_where.values.assert_called_once()
+    mock_session.execute.assert_called_once_with(mock_values)
+    mock_session.commit.assert_called_once()
+
+
 @pytest.mark.parametrize(
     "created_at_utc,date_to_check,expected_count",
     [