def confirm_load(
*,
control_topic: Optional[str],
bootstrap_server: Sequence[str],
storage_name: str,
source: str,
log_level: Optional[str] = None,
) -> None:
"""
Confirms the snapshot has been loaded by sending the
snapshot-loaded message on the control topic.
"""
setup_logging(log_level)
setup_sentry()
logger = logging.getLogger("snuba.loaded-snapshot")
logger.info(
"Sending load completion message for storage %s, from source %s",
storage_name,
source,
)
storage_key = StorageKey(storage_name)
storage = get_cdc_storage(storage_key)
stream_loader = storage.get_table_writer().get_stream_loader()
control_topic = control_topic or storage.get_default_control_topic()
snapshot_source = PostgresSnapshot.load(
product=settings.SNAPSHOT_LOAD_PRODUCT, path=source,
)
descriptor = snapshot_source.get_descriptor()
producer = Producer(
build_kafka_producer_configuration(
stream_loader.get_default_topic_spec().topic,
bootstrap_servers=bootstrap_server,
override_params={
"partitioner": "consistent",
"message.max.bytes": 50000000, # 50MB, default is 1MB
},
)
)
msg = SnapshotLoaded(
id=descriptor.id,
transaction_info=TransactionData(
xmin=descriptor.xmin, xmax=descriptor.xmax, xip_list=descriptor.xip_list,
),
)
json_string = json.dumps(msg.to_dict())
def delivery_callback(error: KafkaError, message: Message) -> None:
if error is not None:
raise error
else:
logger.info("Message sent %r", message.value())
producer.produce(
control_topic, value=json_string, on_delivery=delivery_callback,
)
producer.flush()
def confirm_load(
*,
control_topic: Optional[str],
bootstrap_server: Sequence[str],
dataset_name: str,
source: Optional[str],
log_level: Optional[str] = None,
) -> None:
"""
Confirms the snapshot has been loaded by sending the
snapshot-loaded message on the control topic.
"""
setup_logging(log_level)
setup_sentry()
logger = logging.getLogger("snuba.loaded-snapshot")
logger.info(
"Sending load completion message for dataset %s, from source %s",
dataset_name,
source,
)
dataset = get_dataset(dataset_name)
storage = dataset.get_writable_storage()
assert isinstance(
storage, CdcStorage
), "Only CDC storages have a control topic thus are supported."
control_topic = control_topic or storage.get_default_control_topic()
snapshot_source = PostgresSnapshot.load(
product=settings.SNAPSHOT_LOAD_PRODUCT,
path=source,
)
descriptor = snapshot_source.get_descriptor()
if not bootstrap_server:
bootstrap_server = settings.DEFAULT_DATASET_BROKERS.get(
dataset,
settings.DEFAULT_BROKERS,
)
producer = Producer({
"bootstrap.servers": ",".join(bootstrap_server),
"partitioner": "consistent",
"message.max.bytes": 50000000, # 50MB, default is 1MB
})
msg = SnapshotLoaded(
id=descriptor.id,
transaction_info=TransactionData(
xmin=descriptor.xmin,
xmax=descriptor.xmax,
xip_list=descriptor.xip_list,
),
)
json_string = json.dumps(msg.to_dict())
def delivery_callback(error, message) -> None:
if error is not None:
raise error
else:
logger.info("Message sent %r", message.value())
producer.produce(
control_topic,
value=json_string,
on_delivery=delivery_callback,
)
producer.flush()
class TestRecoveryState:
transaction_data = TransactionData(
xmin=1,
xmax=2,
xip_list=[],
)
test_data = [
(
# Empty topic.
[],
ConsumerStateCompletionEvent.NO_SNAPSHOT,
None,
),
(
# One snapshot started
[(SnapshotInit(id="123asd", product="snuba",
tables=None), CommitDecision.COMMIT_PREV)],
ConsumerStateCompletionEvent.SNAPSHOT_INIT_RECEIVED,
"123asd",
),
(
# initialized and aborted snapshot
[
(SnapshotInit(id="123asd", product="snuba",
tables=None), CommitDecision.COMMIT_PREV),
(SnapshotAbort(id="123asd"), CommitDecision.COMMIT_THIS),
],
ConsumerStateCompletionEvent.NO_SNAPSHOT,
None,
),
(
# Initialized and ready
[(SnapshotInit(id="123asd", product="snuba",
tables=None), CommitDecision.COMMIT_PREV),
(SnapshotLoaded(
id="123asd",
transaction_info=transaction_data,
), CommitDecision.DO_NOT_COMMIT)],
ConsumerStateCompletionEvent.SNAPSHOT_READY_RECEIVED,
"123asd"),
(
# Initialized and multiple overlapping snapshots that are ignored
[
(SnapshotInit(id="123asd", product="snuba",
tables=None), CommitDecision.COMMIT_PREV),
(SnapshotInit(id="234asd", product="someoneelse",
tables=None), CommitDecision.DO_NOT_COMMIT),
(SnapshotAbort(id="234asd"), CommitDecision.DO_NOT_COMMIT),
(SnapshotInit(id="345asd", product="snuba",
tables=None), CommitDecision.DO_NOT_COMMIT),
],
ConsumerStateCompletionEvent.SNAPSHOT_INIT_RECEIVED,
"123asd"),
(
# Multiple successful consecutive snapshots
[
(SnapshotInit(id="123asd", product="snuba",
tables=None), CommitDecision.COMMIT_PREV),
(SnapshotLoaded(
id="123asd",
transaction_info=transaction_data,
), CommitDecision.DO_NOT_COMMIT),
(SnapshotInit(id="234asd", product="snuba",
tables=None), CommitDecision.COMMIT_PREV),
(SnapshotLoaded(
id="234asd",
transaction_info=transaction_data,
), CommitDecision.DO_NOT_COMMIT),
(SnapshotInit(id="345asd", product="snuba",
tables=None), CommitDecision.COMMIT_PREV),
],
ConsumerStateCompletionEvent.SNAPSHOT_INIT_RECEIVED,
"345asd")
]
@pytest.mark.parametrize("events, outcome, expected_id", test_data)
def test_recovery(self, events, outcome, expected_id) -> None:
recovery = RecoveryState()
for message, expected_commit_decision in events:
if isinstance(message, SnapshotInit):
decision = recovery.process_init(message)
elif isinstance(message, SnapshotAbort):
decision = recovery.process_abort(message)
elif isinstance(message, SnapshotLoaded):
decision = recovery.process_snapshot_loaded(message, )
assert decision == expected_commit_decision
assert recovery.get_completion_event() == outcome
if expected_id:
assert recovery.get_active_snapshot()[0] == expected_id
else:
assert recovery.get_active_snapshot() is None
class TestRecoveryState:
transaction_data = TransactionData(xmin=Xid(1), xmax=Xid(2), xip_list=[])
snapshot_id = SnapshotId("123asd")
test_data = [
(
# Empty topic.
[],
ConsumerStateCompletionEvent.NO_SNAPSHOT,
None,
),
(
# One snapshot started for a table I am not interested into
[(
SnapshotInit(id=snapshot_id,
product="snuba",
tables=["some_table"]),
CommitDecision.COMMIT_THIS,
)],
ConsumerStateCompletionEvent.NO_SNAPSHOT,
None,
),
(
# One snapshot started
[(
SnapshotInit(
id=snapshot_id,
product="snuba",
tables=["sentry_groupedmessage"],
),
CommitDecision.COMMIT_PREV,
)],
ConsumerStateCompletionEvent.SNAPSHOT_INIT_RECEIVED,
"123asd",
),
(
# initialized and aborted snapshot
[
(
SnapshotInit(
id=snapshot_id,
product="snuba",
tables=["sentry_groupedmessage"],
),
CommitDecision.COMMIT_PREV,
),
(SnapshotAbort(id=snapshot_id), CommitDecision.COMMIT_THIS),
],
ConsumerStateCompletionEvent.NO_SNAPSHOT,
None,
),
(
# Initialized and ready
[
(
SnapshotInit(
id=snapshot_id,
product="snuba",
tables=["sentry_groupedmessage"],
),
CommitDecision.COMMIT_PREV,
),
(
SnapshotLoaded(id=snapshot_id,
transaction_info=transaction_data),
CommitDecision.DO_NOT_COMMIT,
),
],
ConsumerStateCompletionEvent.SNAPSHOT_READY_RECEIVED,
"123asd",
),
(
# Initialized and multiple overlapping snapshots that are ignored
[
(
SnapshotInit(
id=snapshot_id,
product="snuba",
tables=["sentry_groupedmessage"],
),
CommitDecision.COMMIT_PREV,
),
(
SnapshotInit(
id=SnapshotId("234asd"),
product="someoneelse",
tables=["sentry_groupedmessage"],
),
CommitDecision.DO_NOT_COMMIT,
),
(SnapshotAbort(id=SnapshotId("234asd")),
CommitDecision.DO_NOT_COMMIT),
(
SnapshotInit(
id=SnapshotId("345asd"),
product="snuba",
tables=["sentry_groupedmessage"],
),
CommitDecision.DO_NOT_COMMIT,
),
],
ConsumerStateCompletionEvent.SNAPSHOT_INIT_RECEIVED,
"123asd",
),
(
# Multiple successful consecutive snapshots
[
(
SnapshotInit(
id=snapshot_id,
product="snuba",
tables=["sentry_groupedmessage"],
),
CommitDecision.COMMIT_PREV,
),
(
SnapshotLoaded(
id=snapshot_id,
transaction_info=transaction_data,
),
CommitDecision.DO_NOT_COMMIT,
),
(
SnapshotInit(
id=SnapshotId("234asd"),
product="snuba",
tables=["sentry_groupedmessage"],
),
CommitDecision.COMMIT_PREV,
),
(
SnapshotLoaded(
id=SnapshotId("234asd"),
transaction_info=transaction_data,
),
CommitDecision.DO_NOT_COMMIT,
),
(
SnapshotInit(
id=SnapshotId("345asd"),
product="snuba",
tables=["sentry_groupedmessage"],
),
CommitDecision.COMMIT_PREV,
),
],
ConsumerStateCompletionEvent.SNAPSHOT_INIT_RECEIVED,
"345asd",
),
]
@pytest.mark.parametrize("events, outcome, expected_id", test_data)
def test_recovery(
self,
events: Sequence[Tuple[ControlMessage, CommitDecision]],
outcome: ConsumerStateCompletionEvent,
expected_id: str,
) -> None:
recovery = RecoveryState("sentry_groupedmessage")
for message, expected_commit_decision in events:
if isinstance(message, SnapshotInit):
decision = recovery.process_init(message)
elif isinstance(message, SnapshotAbort):
decision = recovery.process_abort(message)
elif isinstance(message, SnapshotLoaded):
decision = recovery.process_snapshot_loaded(message, )
assert decision == expected_commit_decision
assert recovery.get_completion_event() == outcome
active_snapshot = recovery.get_active_snapshot()
if expected_id:
assert active_snapshot is not None
assert active_snapshot[0] == expected_id
else:
assert active_snapshot is None
def confirm_load(control_topic, bootstrap_server, dataset, source, log_level):
"""
Confirms the snapshot has been loaded by sending the
snapshot-loaded message on the control topic.
"""
import sentry_sdk
sentry_sdk.init(dsn=settings.SENTRY_DSN)
logging.basicConfig(level=getattr(logging, log_level.upper()),
format='%(asctime)s %(message)s')
logger = logging.getLogger('snuba.loaded-snapshot')
logger.info(
"Sending load completion message for dataset %s, from source %s",
dataset, source)
dataset = get_dataset(dataset)
assert isinstance(dataset, CdcDataset), \
"Only CDC dataset have a control topic thus are supported."
control_topic = control_topic or dataset.get_default_control_topic()
snapshot_source = PostgresSnapshot.load(
product=settings.SNAPSHOT_LOAD_PRODUCT,
path=source,
)
descriptor = snapshot_source.get_descriptor()
if not bootstrap_server:
bootstrap_server = settings.DEFAULT_DATASET_BROKERS.get(
dataset,
settings.DEFAULT_BROKERS,
)
producer = Producer({
'bootstrap.servers': ','.join(bootstrap_server),
'partitioner': 'consistent',
'message.max.bytes': 50000000, # 50MB, default is 1MB
})
msg = SnapshotLoaded(
id=descriptor.id,
transaction_info=TransactionData(
xmin=descriptor.xmin,
xmax=descriptor.xmax,
xip_list=descriptor.xip_list,
),
)
json_string = json.dumps(msg.to_dict())
def delivery_callback(error, message):
if error is not None:
raise error
else:
logger.info("Message sent %r", message.value())
producer.produce(
control_topic,
value=json_string,
on_delivery=delivery_callback,
)
producer.flush()