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Merge pull request #2796 from alphagov/split-letters-into-zips-based-on-postage

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Split letters into zips based on postage
This commit is contained in:
Pea M. Tyczynska
2020-07-08 11:49:21 +01:00
committed by GitHub
parent d2007674a9 61de908c5d
commit 9186083ea7
3 changed files with 106 additions and 43 deletions
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62
app/celery/letters_pdf_tasks.py
View File

@@ -42,6 +42,8 @@ from app.models import (
NOTIFICATION_TECHNICAL_FAILURE,
NOTIFICATION_VALIDATION_FAILED,
NOTIFICATION_VIRUS_SCAN_FAILED,
POSTAGE_TYPES,
RESOLVE_POSTAGE_FOR_FILE_NAME
)
from app.cronitor import cronitor
@@ -134,41 +136,41 @@ def collate_letter_pdfs_to_be_sent():
print_run_deadline = print_run_date.replace(
hour=17, minute=30, second=0, microsecond=0
)
for postage in POSTAGE_TYPES:
letters_to_print = get_key_and_size_of_letters_to_be_sent_to_print(print_run_deadline, postage)
letters_to_print = get_key_and_size_of_letters_to_be_sent_to_print(print_run_deadline)
for i, letters in enumerate(group_letters(letters_to_print)):
filenames = [letter['Key'] for letter in letters]
for i, letters in enumerate(group_letters(letters_to_print)):
filenames = [letter['Key'] for letter in letters]
hash = urlsafe_b64encode(sha512(''.join(filenames).encode()).digest())[:20].decode()
# eg NOTIFY.2018-12-31.001.Wjrui5nAvObjPd-3GEL-.ZIP
dvla_filename = 'NOTIFY.{date}.{num:03}.{hash}.ZIP'.format(
date=print_run_deadline.strftime("%Y-%m-%d"),
num=i + 1,
hash=hash
)
current_app.logger.info(
'Calling task zip-and-send-letter-pdfs for {} pdfs to upload {} with total size {:,} bytes'.format(
len(filenames),
dvla_filename,
sum(letter['Size'] for letter in letters)
hash = urlsafe_b64encode(sha512(''.join(filenames).encode()).digest())[:20].decode()
# eg NOTIFY.2018-12-31.001.Wjrui5nAvObjPd-3GEL-.ZIP
dvla_filename = 'NOTIFY.{date}.{postage}.{num:03}.{hash}.ZIP'.format(
date=print_run_deadline.strftime("%Y-%m-%d"),
postage=RESOLVE_POSTAGE_FOR_FILE_NAME[postage],
num=i + 1,
hash=hash
)
current_app.logger.info(
'Calling task zip-and-send-letter-pdfs for {} pdfs to upload {} with total size {:,} bytes'.format(
len(filenames),
dvla_filename,
sum(letter['Size'] for letter in letters)
)
)
notify_celery.send_task(
name=TaskNames.ZIP_AND_SEND_LETTER_PDFS,
kwargs={
'filenames_to_zip': filenames,
'upload_filename': dvla_filename
},
queue=QueueNames.PROCESS_FTP,
compression='zlib'
)
)
notify_celery.send_task(
name=TaskNames.ZIP_AND_SEND_LETTER_PDFS,
kwargs={
'filenames_to_zip': filenames,
'upload_filename': dvla_filename
},
queue=QueueNames.PROCESS_FTP,
compression='zlib'
)
def get_key_and_size_of_letters_to_be_sent_to_print(print_run_deadline):
letters_awaiting_sending = dao_get_letters_to_be_printed(print_run_deadline)
def get_key_and_size_of_letters_to_be_sent_to_print(print_run_deadline, postage):
letters_awaiting_sending = dao_get_letters_to_be_printed(print_run_deadline, postage)
letter_pdfs = []
for letter in letters_awaiting_sending:
try:

5
app/dao/notifications_dao.py
View File

@@ -733,7 +733,7 @@ def notifications_not_yet_sent(should_be_sending_after_seconds, notification_typ
return notifications
def dao_get_letters_to_be_printed(print_run_deadline):
def dao_get_letters_to_be_printed(print_run_deadline, postage):
"""
Return all letters created before the print run deadline that have not yet been sent
"""
@@ -741,7 +741,8 @@ def dao_get_letters_to_be_printed(print_run_deadline):
Notification.created_at < convert_bst_to_utc(print_run_deadline),
Notification.notification_type == LETTER_TYPE,
Notification.status == NOTIFICATION_CREATED,
Notification.key_type == KEY_TYPE_NORMAL
Notification.key_type == KEY_TYPE_NORMAL,
Notification.postage == postage,
).order_by(
Notification.created_at
).all()

82
tests/app/celery/test_letters_pdf_tasks.py
View File

@@ -155,20 +155,19 @@ def test_update_billable_units_for_letter_doesnt_update_if_sent_with_test_key(mo
@freeze_time('2020-02-17 18:00:00')
def test_get_key_and_size_of_letters_to_be_sent_to_print(notify_api, mocker, sample_letter_template):
# second class
create_notification(
template=sample_letter_template,
status='created',
reference='ref0',
created_at=(datetime.now() - timedelta(hours=2))
)
create_notification(
template=sample_letter_template,
status='created',
reference='ref1',
created_at=(datetime.now() - timedelta(hours=3))
)
create_notification(
template=sample_letter_template,
status='created',
@@ -208,7 +207,7 @@ def test_get_key_and_size_of_letters_to_be_sent_to_print(notify_api, mocker, sam
{'ContentLength': 3},
])
results = get_key_and_size_of_letters_to_be_sent_to_print(datetime.now() - timedelta(minutes=30))
results = get_key_and_size_of_letters_to_be_sent_to_print(datetime.now() - timedelta(minutes=30), postage='second')
assert mock_s3.call_count == 3
mock_s3.assert_has_calls(
@@ -220,6 +219,7 @@ def test_get_key_and_size_of_letters_to_be_sent_to_print(notify_api, mocker, sam
)
assert len(results) == 3
assert results == [
{'Key': '2020-02-16/NOTIFY.REF2.D.2.C.C.20200215180000.PDF', 'Size': 2},
{'Key': '2020-02-17/NOTIFY.REF1.D.2.C.C.20200217150000.PDF', 'Size': 1},
@@ -256,7 +256,7 @@ def test_get_key_and_size_of_letters_to_be_sent_to_print_catches_exception(
ClientError(error_response, "File not found")
])
results = get_key_and_size_of_letters_to_be_sent_to_print(datetime.now() - timedelta(minutes=30))
results = get_key_and_size_of_letters_to_be_sent_to_print(datetime.now() - timedelta(minutes=30), postage='second')
assert mock_head_s3_object.call_count == 2
mock_head_s3_object.assert_has_calls(
@@ -275,20 +275,19 @@ def test_get_key_and_size_of_letters_to_be_sent_to_print_catches_exception(
])
def test_collate_letter_pdfs_to_be_sent(notify_api, sample_letter_template, mocker, time_to_run_task):
with freeze_time("2020-02-17 18:00:00"):
# second class
create_notification(
template=sample_letter_template,
status='created',
reference='ref0',
created_at=(datetime.now() - timedelta(hours=2))
)
create_notification(
template=sample_letter_template,
status='created',
reference='ref1',
created_at=(datetime.now() - timedelta(hours=3))
)
create_notification(
template=sample_letter_template,
status='created',
@@ -296,10 +295,38 @@ def test_collate_letter_pdfs_to_be_sent(notify_api, sample_letter_template, mock
created_at=(datetime.now() - timedelta(days=2))
)
# first class
create_notification(
template=sample_letter_template,
status='created',
reference='first_class',
created_at=(datetime.now() - timedelta(hours=4)),
postage="first"
)
# international
create_notification(
template=sample_letter_template,
status='created',
reference='international',
created_at=(datetime.now() - timedelta(days=3)),
postage="europe"
)
create_notification(
template=sample_letter_template,
status='created',
reference='international',
created_at=(datetime.now() - timedelta(days=4)),
postage="rest-of-world"
)
mocker.patch('app.celery.tasks.s3.head_s3_object', side_effect=[
{'ContentLength': 1},
{'ContentLength': 1},
{'ContentLength': 2},
{'ContentLength': 1},
{'ContentLength': 3},
{'ContentLength': 1},
])
mock_celery = mocker.patch('app.celery.letters_pdf_tasks.notify_celery.send_task')
@@ -308,26 +335,59 @@ def test_collate_letter_pdfs_to_be_sent(notify_api, sample_letter_template, mock
with freeze_time(time_to_run_task):
collate_letter_pdfs_to_be_sent()
assert len(mock_celery.call_args_list) == 2
assert len(mock_celery.call_args_list) == 5
assert mock_celery.call_args_list[0] == call(
name='zip-and-send-letter-pdfs',
kwargs={
'filenames_to_zip': [
'2020-02-16/NOTIFY.REF2.D.2.C.C.20200215180000.PDF',
'2020-02-17/NOTIFY.REF1.D.2.C.C.20200217150000.PDF'
'2020-02-17/NOTIFY.FIRST_CLASS.D.1.C.C.20200217140000.PDF'
],
'upload_filename': 'NOTIFY.2020-02-17.001.k3x_WqC5KhB6e2DWv9Ma.ZIP'
'upload_filename': 'NOTIFY.2020-02-17.1.001.kHh01fdUxT9iEIYUt5Wx.ZIP'
},
queue='process-ftp-tasks',
compression='zlib'
)
assert mock_celery.call_args_list[1] == call(
name='zip-and-send-letter-pdfs',
kwargs={
'filenames_to_zip': [
'2020-02-16/NOTIFY.REF2.D.2.C.C.20200215180000.PDF',
'2020-02-17/NOTIFY.REF1.D.2.C.C.20200217150000.PDF'
],
'upload_filename': 'NOTIFY.2020-02-17.2.001.k3x_WqC5KhB6e2DWv9Ma.ZIP'
},
queue='process-ftp-tasks',
compression='zlib'
)
assert mock_celery.call_args_list[2] == call(
name='zip-and-send-letter-pdfs',
kwargs={
'filenames_to_zip': [
'2020-02-17/NOTIFY.REF0.D.2.C.C.20200217160000.PDF'
],
'upload_filename': 'NOTIFY.2020-02-17.002.J85cUw-FWlKuAIOcwdLS.ZIP'
'upload_filename': 'NOTIFY.2020-02-17.2.002.J85cUw-FWlKuAIOcwdLS.ZIP'
},
queue='process-ftp-tasks',
compression='zlib'
)
assert mock_celery.call_args_list[3] == call(
name='zip-and-send-letter-pdfs',
kwargs={
'filenames_to_zip': [
'2020-02-15/NOTIFY.INTERNATIONAL.D.E.C.C.20200214180000.PDF'
],
'upload_filename': 'NOTIFY.2020-02-17.E.001.4YajCZzgzIl7zf8bjWK2.ZIP'
},
queue='process-ftp-tasks',
compression='zlib'
)
assert mock_celery.call_args_list[4] == call(
name='zip-and-send-letter-pdfs',
kwargs={
'filenames_to_zip': [
'2020-02-14/NOTIFY.INTERNATIONAL.D.N.C.C.20200213180000.PDF',
],
'upload_filename': 'NOTIFY.2020-02-17.N.001.eSvP8Ph6EBKhh3k7BSA2.ZIP'
},
queue='process-ftp-tasks',
compression='zlib'