def bulk_get(self, queue, message_ids, project):
if project is None:
project = ''
message_ids = [
id for id in map(utils.msgid_decode, message_ids) if id is not None
]
statement = sa.sql.select([
tables.Messages.c.id, tables.Messages.c.body,
tables.Messages.c.ttl, tables.Messages.c.created
])
and_stmt = [
tables.Messages.c.id.in_(message_ids),
tables.Queues.c.name == queue, tables.Queues.c.project == project,
tables.Messages.c.ttl > sfunc.now() - tables.Messages.c.created
]
j = sa.join(tables.Messages, tables.Queues,
tables.Messages.c.qid == tables.Queues.c.id)
statement = statement.select_from(j).where(sa.and_(*and_stmt))
now = timeutils.utcnow_ts()
records = self.driver.run(statement)
for id, body, ttl, created in records:
yield {
'id': utils.msgid_encode(int(id)),
'ttl': ttl,
'age': now - calendar.timegm(created.timetuple()),
'body': utils.json_decode(body),
}
def _normalize(pool, detailed=False):
ret = {"name": pool[0], "uri": pool[1], "weight": pool[2]}
if detailed:
opts = pool[3]
ret["options"] = utils.json_decode(opts) if opts else {}
return ret
def bulk_get(self, queue, message_ids, project):
if project is None:
project = ''
message_ids = [id for id in
map(utils.msgid_decode, message_ids)
if id is not None]
statement = sa.sql.select([tables.Messages.c.id,
tables.Messages.c.body,
tables.Messages.c.ttl,
tables.Messages.c.created])
and_stmt = [tables.Messages.c.id.in_(message_ids),
tables.Queues.c.name == queue,
tables.Queues.c.project == project,
tables.Messages.c.ttl >
sfunc.now() - tables.Messages.c.created]
j = sa.join(tables.Messages, tables.Queues,
tables.Messages.c.qid == tables.Queues.c.id)
statement = statement.select_from(j).where(sa.and_(*and_stmt))
now = timeutils.utcnow_ts()
records = self.driver.run(statement)
for id, body, ttl, created in records:
yield {
'id': utils.msgid_encode(int(id)),
'ttl': ttl,
'age': now - calendar.timegm(created.timetuple()),
'body': utils.json_decode(body),
}
def it():
for rec in records:
marker_name['next'] = rec[0]
yield ({
'name': rec[0]
} if not detailed else {
'name': rec[0],
'metadata': utils.json_decode(rec[1])
})
def get(self, queue, message_id, project):
body, ttl, created = self._get(queue, message_id, project)
now = timeutils.utcnow_ts()
return {
'id': message_id,
'ttl': ttl,
'age': now - calendar.timegm(created.timetuple()),
'body': utils.json_decode(body),
}
def get(self, queue, message_id, project):
body, ttl, created = self._get(queue, message_id, project)
now = timeutils.utcnow_ts()
return {
'id': message_id,
'ttl': ttl,
'age': now - calendar.timegm(created.timetuple()),
'body': utils.json_decode(body),
}
def it():
now = timeutils.utcnow_ts()
for id, body, ttl, created in records:
marker_id['next'] = id
yield {
'id': utils.msgid_encode(id),
'ttl': ttl,
'age': now - calendar.timegm(created.timetuple()),
'body': utils.json_decode(body),
}
def it():
now = timeutils.utcnow_ts()
for id, body, ttl, created in records:
marker_id['next'] = id
yield {
'id': utils.msgid_encode(id),
'ttl': ttl,
'age': now - calendar.timegm(created.timetuple()),
'body': utils.json_decode(body),
}
def _normalize(pool, detailed=False):
ret = {
'name': pool[0],
'uri': pool[1],
'weight': pool[2],
}
if detailed:
opts = pool[3]
ret['options'] = utils.json_decode(opts) if opts else {}
return ret
def get_metadata(self, name, project):
if project is None:
project = ''
try:
sel = sa.sql.select([tables.Queues.c.metadata],
sa.and_(tables.Queues.c.project == project,
tables.Queues.c.name == name))
return utils.json_decode(self.driver.get(sel)[0])
except utils.NoResult:
raise errors.QueueDoesNotExist(name, project)
def get_metadata(self, name, project):
if project is None:
project = ''
try:
sel = sa.sql.select([tables.Queues.c.metadata], sa.and_(
tables.Queues.c.project == project,
tables.Queues.c.name == name
))
return utils.json_decode(self.driver.get(sel)[0])
except utils.NoResult:
raise errors.QueueDoesNotExist(name, project)
def pop(self, queue_name, limit, project=None):
if project is None:
project = ''
with self.driver.trans() as trans:
sel = sa.sql.select([
tables.Messages.c.id, tables.Messages.c.body,
tables.Messages.c.ttl, tables.Messages.c.created
])
j = sa.join(tables.Messages, tables.Queues,
tables.Messages.c.qid == tables.Queues.c.id)
sel = sel.select_from(j)
and_clause = [
tables.Queues.c.name == queue_name,
tables.Queues.c.project == project
]
and_clause.append(tables.Messages.c.cid == (None))
sel = sel.where(sa.and_(*and_clause))
sel = sel.limit(limit)
records = trans.execute(sel)
now = timeutils.utcnow_ts()
messages = []
message_ids = []
for id, body, ttl, created in records:
messages.append({
'id':
utils.msgid_encode(id),
'ttl':
ttl,
'age':
now - calendar.timegm(created.timetuple()),
'body':
utils.json_decode(body),
})
message_ids.append(id)
statement = tables.Messages.delete()
qid = utils.get_qid(self.driver, queue_name, project)
and_stmt = [
tables.Messages.c.id.in_(message_ids),
tables.Messages.c.qid == qid
]
trans.execute(statement.where(sa.and_(*and_stmt)))
return messages
def pop(self, queue_name, limit, project=None):
if project is None:
project = ''
with self.driver.trans() as trans:
sel = sa.sql.select([tables.Messages.c.id,
tables.Messages.c.body,
tables.Messages.c.ttl,
tables.Messages.c.created])
j = sa.join(tables.Messages, tables.Queues,
tables.Messages.c.qid == tables.Queues.c.id)
sel = sel.select_from(j)
and_clause = [tables.Queues.c.name == queue_name,
tables.Queues.c.project == project]
and_clause.append(tables.Messages.c.cid == (None))
sel = sel.where(sa.and_(*and_clause))
sel = sel.limit(limit)
records = trans.execute(sel)
now = timeutils.utcnow_ts()
messages = []
message_ids = []
for id, body, ttl, created in records:
messages.append({
'id': utils.msgid_encode(id),
'ttl': ttl,
'age': now - calendar.timegm(created.timetuple()),
'body': utils.json_decode(body),
})
message_ids.append(id)
statement = tables.Messages.delete()
qid = utils.get_qid(self.driver, queue_name, project)
and_stmt = [tables.Messages.c.id.in_(message_ids),
tables.Messages.c.qid == qid]
trans.execute(statement.where(sa.and_(*and_stmt)))
return messages
def __get(self, cid, trans):
# NOTE(flaper87): This probably needs to
# join on `Claim` to check the claim ttl.
sel = sa.sql.select([tables.Messages.c.id,
tables.Messages.c.body,
tables.Messages.c.ttl,
tables.Messages.c.created],
sa.and_(
tables.Messages.c.ttl >
utils.get_age(tables.Messages.c.created),
# tables.Messages.c.ttl >
# utils.get_age(tables.Claims.c.created),
tables.Messages.c.cid == cid))
records = trans.execute(sel)
for id, body, ttl, created in records:
yield {
'id': utils.msgid_encode(int(id)),
'ttl': ttl,
'age': (timeutils.utcnow() - created).seconds,
'body': utils.json_decode(body),
}
def it():
for rec in records:
marker_name['next'] = rec[0]
yield ({'name': rec[0]} if not detailed
else
{'name': rec[0], 'metadata': utils.json_decode(rec[1])})
