openstack/zaqar
Code Issues Proposed changes

Merge "Fix ttl and grace story for claims updates"

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This commit is contained in:
Jenkins 2014-10-15 21:18:58 +00:00 committed by Gerrit Code Review
commit ac00d2b8ed
11 changed files with 44 additions and 32 deletions
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4
tests/functional/wsgi/v1_1/test_claims.py
View File

@ -131,7 +131,7 @@ class TestClaims(base.V1_1FunctionalTestBase):
# Patch Claim
claim_location = result.headers['Location']
url = self.cfg.zaqar.url + claim_location
doc_updated = {"ttl": 300}
doc_updated = {"ttl": 300, 'grace': 60}
result = self.client.patch(url, data=doc_updated)
self.assertEqual(result.status_code, 204)
@ -139,7 +139,7 @@ class TestClaims(base.V1_1FunctionalTestBase):
# verify that the claim TTL is updated
result = self.client.get(url)
new_ttl = result.json()['ttl']
self.assertEqual(new_ttl, 300)
self.assertEqual(doc_updated['ttl'], new_ttl)
test_claim_patch.tags = ['smoke', 'positive']

6
tests/unit/queues/storage/test_impl_mongodb.py
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@ -432,11 +432,13 @@ class MongodbClaimTests(MongodbSetupMixin, base.ClaimControllerTest):
time.sleep(1)
self.assertRaises(storage.errors.ClaimDoesNotExist,
self.controller.update, self.queue_name,
claim_id, {}, project=self.project)
claim_id, {'ttl': 1, 'grace': 0},
project=self.project)
self.assertRaises(storage.errors.ClaimDoesNotExist,
self.controller.update, self.queue_name,
claim_id, {}, project=self.project)
claim_id, {'ttl': 1, 'grace': 0},
project=self.project)
#

19
zaqar/queues/storage/mongodb/claims.py
View File

@ -133,6 +133,7 @@ class ClaimController(storage.Claim):
now = timeutils.utcnow_ts()
claim_expires = now + ttl
claim_expires_dt = datetime.datetime.utcfromtimestamp(claim_expires)
message_ttl = ttl + grace
message_expiration = datetime.datetime.utcfromtimestamp(
@ -181,7 +182,7 @@ class ClaimController(storage.Claim):
# expire before claim.
new_values = {'e': message_expiration, 't': message_ttl}
collection.update({'p_q': utils.scope_queue_name(queue, project),
'e': {'$lt': message_expiration},
'e': {'$lt': claim_expires_dt},
'c.id': oid},
{'$set': new_values},
upsert=False, multi=True)
@ -205,8 +206,13 @@ class ClaimController(storage.Claim):
raise errors.ClaimDoesNotExist(claim_id, queue, project)
now = timeutils.utcnow_ts()
ttl = int(metadata.get('ttl', 60))
expires = now + ttl
grace = metadata['grace']
ttl = metadata['ttl']
claim_expires = now + ttl
claim_expires_dt = datetime.datetime.utcfromtimestamp(claim_expires)
message_ttl = ttl + grace
message_expires = datetime.datetime.utcfromtimestamp(
claim_expires + grace)
msg_ctrl = self.driver.message_controller
claimed = msg_ctrl._claimed(queue, cid, expires=now,
@ -220,7 +226,7 @@ class ClaimController(storage.Claim):
meta = {
'id': cid,
't': ttl,
'e': expires,
'e': claim_expires,
}
# TODO(kgriffs): Create methods for these so we don't interact
@ -236,9 +242,10 @@ class ClaimController(storage.Claim):
# `expires` on messages that would
# expire before claim.
collection.update({'p_q': scope,
'e': {'$lt': expires},
'e': {'$lt': claim_expires_dt},
'c.id': cid},
{'$set': {'e': expires, 't': ttl}},
{'$set': {'e': message_expires,
't': message_ttl}},
upsert=False, multi=True)
@utils.raises_conn_error

10
zaqar/queues/storage/redis/claims.py
View File

@ -249,8 +249,8 @@ class ClaimController(storage.Claim, scripting.Mixin):
def create(self, queue, metadata, project=None,
limit=storage.DEFAULT_MESSAGES_PER_CLAIM):
claim_ttl = int(metadata.get('ttl', 60))
grace = int(metadata.get('grace', 60))
claim_ttl = metadata['ttl']
grace = metadata['grace']
now = timeutils.utcnow_ts()
msg_ttl = claim_ttl + grace
@ -314,10 +314,10 @@ class ClaimController(storage.Claim, scripting.Mixin):
now = timeutils.utcnow_ts()
claim_ttl = int(metadata.get('ttl', 60))
claim_ttl = metadata['ttl']
claim_expires = now + claim_ttl
grace = int(metadata.get('grace', 60))
grace = metadata['grace']
msg_ttl = claim_ttl + grace
msg_expires = claim_expires + grace
@ -338,7 +338,7 @@ class ClaimController(storage.Claim, scripting.Mixin):
msg.claim_id = claim_id
msg.claim_expires = claim_expires
if _msg_would_expire(msg, msg_expires):
if _msg_would_expire(msg, claim_expires):
msg.ttl = msg_ttl
msg.expires = msg_expires

2
zaqar/queues/storage/redis/scripts/claim_messages.lua
View File

@ -70,7 +70,7 @@ while (#claimed_msgs < limit) do
'c.e', claim_expires)
-- Will the message expire early?
if tonumber(msg_expires_prev) < msg_expires then
if tonumber(msg_expires_prev) < claim_expires then
redis.call('HMSET', mid,
't', msg_ttl,
'e', msg_expires)

2
zaqar/queues/storage/sqlalchemy/claims.py
View File

@ -150,7 +150,7 @@ class ClaimController(storage.Claim):
raise errors.ClaimDoesNotExist(claim_id, queue, project)
update = (tables.Messages.update().
values(ttl=metadata['ttl']).
values(ttl=metadata['ttl'] + metadata['grace']).
where(sa.and_(
tables.Messages.c.ttl < metadata['ttl'],
tables.Messages.c.cid == cid)))

2
zaqar/queues/transport/wsgi/v1_0/claims.py
View File

@ -27,7 +27,7 @@ from zaqar.queues.transport.wsgi import utils as wsgi_utils
LOG = logging.getLogger(__name__)
CLAIM_POST_SPEC = (('ttl', int, None), ('grace', int, None))
CLAIM_PATCH_SPEC = (('ttl', int, None),)
CLAIM_PATCH_SPEC = (('ttl', int, None), ('grace', int, 0))
class Resource(object):

4
zaqar/queues/transport/wsgi/v1_1/__init__.py
View File

@ -66,7 +66,9 @@ def public_endpoints(driver):
('/queues/{queue_name}/claims/{claim_id}',
claims.ItemResource(driver._wsgi_conf,
driver._validate,
claim_controller)),
claim_controller,
defaults.claim_ttl,
defaults.claim_grace)),
# Ping
('/ping',

15
zaqar/queues/transport/wsgi/v1_1/claims.py
View File

@ -26,11 +26,8 @@ from zaqar.queues.transport.wsgi import utils as wsgi_utils
LOG = logging.getLogger(__name__)
CLAIM_PATCH_SPEC = (('ttl', int, None),)
class CollectionResource(object):
__slots__ = (
'_claim_controller',
'_validate',
@ -116,12 +113,18 @@ class CollectionResource(object):
class ItemResource(object):
__slots__ = ('_claim_controller', '_validate')
__slots__ = ('_claim_controller', '_validate', '_claim_patch_spec')
def __init__(self, wsgi_conf, validate, claim_controller):
def __init__(self, wsgi_conf, validate, claim_controller,
default_claim_ttl, default_grace_ttl):
self._claim_controller = claim_controller
self._validate = validate
self._claim_patch_spec = (
('ttl', int, default_claim_ttl),
('grace', int, default_grace_ttl),
)
def on_get(self, req, resp, project_id, queue_name, claim_id):
LOG.debug(u'Claim item GET - claim: %(claim_id)s, '
u'queue: %(queue_name)s, project: %(project_id)s',
@ -169,7 +172,7 @@ class ItemResource(object):
# Read claim metadata (e.g., TTL) and raise appropriate
# HTTP errors as needed.
document = wsgi_utils.deserialize(req.stream, req.content_length)
metadata = wsgi_utils.sanitize(document, CLAIM_PATCH_SPEC)
metadata = wsgi_utils.sanitize(document, self._claim_patch_spec)
try:
self._validate.claim_updating(metadata)

8
zaqar/tests/queues/storage/base.py
View File

@ -778,7 +778,7 @@ class ClaimControllerTest(ControllerBaseTest):
for msg1, msg2 in zip(messages, messages2):
self.assertEqual(msg1['body'], msg2['body'])
self.assertEqual(claim['ttl'], 100)
self.assertEqual(claim['ttl'], new_meta['ttl'])
self.assertEqual(claim['id'], claim_id)
# Make sure delete works
@ -845,15 +845,13 @@ class ClaimControllerTest(ControllerBaseTest):
project=self.project, client_uuid=uuid.uuid4(),
num=20, ttl=120)
# Although ttl is less than the message's TTL, the grace
# period puts it just over the edge.
meta = {'ttl': 100, 'grace': 22}
meta = {'ttl': 121, 'grace': 22}
claim_id, messages = self.controller.create(self.queue_name, meta,
project=self.project)
for message in messages:
self.assertEqual(message['ttl'], 122)
self.assertEqual(message['ttl'], 143)
def test_do_not_extend_lifetime(self):
_insert_fixtures(self.message_controller, self.queue_name,

2
zaqar/tests/queues/transport/wsgi/v1_1/test_claims.py
View File

@ -208,7 +208,7 @@ class ClaimsBaseTest(base.V1_1Base):
self.assertEqual(self.srmock.status, falcon.HTTP_404)
# Update the claim
new_claim_ttl = '{"ttl": 60}'
new_claim_ttl = '{"ttl": 60, "grace": 60}'
creation = timeutils.utcnow()
self.simulate_patch(claim_href, body=new_claim_ttl,
headers=self.headers)