424 lines
12 KiB
Python
424 lines
12 KiB
Python
import inspect
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import sys
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class KafkaError(RuntimeError):
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retriable = False
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# whether metadata should be refreshed on error
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invalid_metadata = False
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def __str__(self):
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if not self.args:
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return self.__class__.__name__
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return '{0}: {1}'.format(self.__class__.__name__,
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super(KafkaError, self).__str__())
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class IllegalStateError(KafkaError):
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pass
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class IllegalArgumentError(KafkaError):
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pass
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class NoBrokersAvailable(KafkaError):
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retriable = True
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invalid_metadata = True
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class NodeNotReadyError(KafkaError):
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retriable = True
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class CorrelationIdError(KafkaError):
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retriable = True
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class Cancelled(KafkaError):
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retriable = True
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class TooManyInFlightRequests(KafkaError):
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retriable = True
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class StaleMetadata(KafkaError):
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retriable = True
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invalid_metadata = True
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class UnrecognizedBrokerVersion(KafkaError):
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pass
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class CommitFailedError(KafkaError):
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pass
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class BrokerResponseError(KafkaError):
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errno = None
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message = None
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description = None
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def __str__(self):
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"""Add errno to standard KafkaError str"""
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return '[Error {0}] {1}: {2}'.format(
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self.errno,
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self.__class__.__name__,
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super(KafkaError, self).__str__()) # pylint: disable=bad-super-call
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class NoError(BrokerResponseError):
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errno = 0
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message = 'NO_ERROR'
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description = 'No error--it worked!'
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class UnknownError(BrokerResponseError):
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errno = -1
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message = 'UNKNOWN'
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description = 'An unexpected server error.'
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class OffsetOutOfRangeError(BrokerResponseError):
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errno = 1
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message = 'OFFSET_OUT_OF_RANGE'
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description = ('The requested offset is outside the range of offsets'
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' maintained by the server for the given topic/partition.')
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class InvalidMessageError(BrokerResponseError):
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errno = 2
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message = 'INVALID_MESSAGE'
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description = ('This message has failed its CRC checksum, exceeds the'
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' valid size, or is otherwise corrupt.')
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class UnknownTopicOrPartitionError(BrokerResponseError):
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errno = 3
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message = 'UNKNOWN_TOPIC_OR_PARTITION'
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description = ('This request is for a topic or partition that does not'
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' exist on this broker.')
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invalid_metadata = True
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class InvalidFetchRequestError(BrokerResponseError):
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errno = 4
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message = 'INVALID_FETCH_SIZE'
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description = 'The message has a negative size.'
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class LeaderNotAvailableError(BrokerResponseError):
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errno = 5
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message = 'LEADER_NOT_AVAILABLE'
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description = ('This error is thrown if we are in the middle of a'
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' leadership election and there is currently no leader for'
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' this partition and hence it is unavailable for writes.')
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retriable = True
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invalid_metadata = True
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class NotLeaderForPartitionError(BrokerResponseError):
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errno = 6
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message = 'NOT_LEADER_FOR_PARTITION'
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description = ('This error is thrown if the client attempts to send'
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' messages to a replica that is not the leader for some'
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' partition. It indicates that the clients metadata is out'
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' of date.')
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retriable = True
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invalid_metadata = True
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class RequestTimedOutError(BrokerResponseError):
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errno = 7
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message = 'REQUEST_TIMED_OUT'
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description = ('This error is thrown if the request exceeds the'
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' user-specified time limit in the request.')
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retriable = True
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class BrokerNotAvailableError(BrokerResponseError):
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errno = 8
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message = 'BROKER_NOT_AVAILABLE'
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description = ('This is not a client facing error and is used mostly by'
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' tools when a broker is not alive.')
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class ReplicaNotAvailableError(BrokerResponseError):
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errno = 9
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message = 'REPLICA_NOT_AVAILABLE'
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description = ('If replica is expected on a broker, but is not (this can be'
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' safely ignored).')
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class MessageSizeTooLargeError(BrokerResponseError):
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errno = 10
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message = 'MESSAGE_SIZE_TOO_LARGE'
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description = ('The server has a configurable maximum message size to avoid'
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' unbounded memory allocation. This error is thrown if the'
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' client attempt to produce a message larger than this'
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' maximum.')
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class StaleControllerEpochError(BrokerResponseError):
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errno = 11
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message = 'STALE_CONTROLLER_EPOCH'
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description = 'Internal error code for broker-to-broker communication.'
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class OffsetMetadataTooLargeError(BrokerResponseError):
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errno = 12
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message = 'OFFSET_METADATA_TOO_LARGE'
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description = ('If you specify a string larger than configured maximum for'
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' offset metadata.')
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# TODO is this deprecated? https://cwiki.apache.org/confluence/display/KAFKA/A+Guide+To+The+Kafka+Protocol#AGuideToTheKafkaProtocol-ErrorCodes
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class StaleLeaderEpochCodeError(BrokerResponseError):
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errno = 13
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message = 'STALE_LEADER_EPOCH_CODE'
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class GroupLoadInProgressError(BrokerResponseError):
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errno = 14
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message = 'OFFSETS_LOAD_IN_PROGRESS'
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description = ('The broker returns this error code for an offset fetch'
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' request if it is still loading offsets (after a leader'
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' change for that offsets topic partition), or in response'
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' to group membership requests (such as heartbeats) when'
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' group metadata is being loaded by the coordinator.')
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retriable = True
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class GroupCoordinatorNotAvailableError(BrokerResponseError):
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errno = 15
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message = 'CONSUMER_COORDINATOR_NOT_AVAILABLE'
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description = ('The broker returns this error code for group coordinator'
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' requests, offset commits, and most group management'
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' requests if the offsets topic has not yet been created, or'
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' if the group coordinator is not active.')
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retriable = True
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class NotCoordinatorForGroupError(BrokerResponseError):
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errno = 16
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message = 'NOT_COORDINATOR_FOR_CONSUMER'
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description = ('The broker returns this error code if it receives an offset'
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' fetch or commit request for a group that it is not a'
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' coordinator for.')
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retriable = True
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class InvalidTopicError(BrokerResponseError):
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errno = 17
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message = 'INVALID_TOPIC'
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description = ('For a request which attempts to access an invalid topic'
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' (e.g. one which has an illegal name), or if an attempt'
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' is made to write to an internal topic (such as the'
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' consumer offsets topic).')
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class RecordListTooLargeError(BrokerResponseError):
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errno = 18
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message = 'RECORD_LIST_TOO_LARGE'
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description = ('If a message batch in a produce request exceeds the maximum'
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' configured segment size.')
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class NotEnoughReplicasError(BrokerResponseError):
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errno = 19
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message = 'NOT_ENOUGH_REPLICAS'
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description = ('Returned from a produce request when the number of in-sync'
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' replicas is lower than the configured minimum and'
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' requiredAcks is -1.')
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class NotEnoughReplicasAfterAppendError(BrokerResponseError):
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errno = 20
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message = 'NOT_ENOUGH_REPLICAS_AFTER_APPEND'
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description = ('Returned from a produce request when the message was'
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' written to the log, but with fewer in-sync replicas than'
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' required.')
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class InvalidRequiredAcksError(BrokerResponseError):
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errno = 21
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message = 'INVALID_REQUIRED_ACKS'
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description = ('Returned from a produce request if the requested'
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' requiredAcks is invalid (anything other than -1, 1, or 0).')
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class IllegalGenerationError(BrokerResponseError):
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errno = 22
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message = 'ILLEGAL_GENERATION'
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description = ('Returned from group membership requests (such as heartbeats)'
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' when the generation id provided in the request is not the'
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' current generation.')
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class InconsistentGroupProtocolError(BrokerResponseError):
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errno = 23
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message = 'INCONSISTENT_GROUP_PROTOCOL'
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description = ('Returned in join group when the member provides a protocol'
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' type or set of protocols which is not compatible with the current group.')
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class InvalidGroupIdError(BrokerResponseError):
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errno = 24
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message = 'INVALID_GROUP_ID'
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description = 'Returned in join group when the groupId is empty or null.'
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class UnknownMemberIdError(BrokerResponseError):
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errno = 25
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message = 'UNKNOWN_MEMBER_ID'
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description = ('Returned from group requests (offset commits/fetches,'
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' heartbeats, etc) when the memberId is not in the current'
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' generation.')
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class InvalidSessionTimeoutError(BrokerResponseError):
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errno = 26
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message = 'INVALID_SESSION_TIMEOUT'
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description = ('Return in join group when the requested session timeout is'
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' outside of the allowed range on the broker')
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class RebalanceInProgressError(BrokerResponseError):
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errno = 27
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message = 'REBALANCE_IN_PROGRESS'
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description = ('Returned in heartbeat requests when the coordinator has'
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' begun rebalancing the group. This indicates to the client'
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' that it should rejoin the group.')
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class InvalidCommitOffsetSizeError(BrokerResponseError):
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errno = 28
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message = 'INVALID_COMMIT_OFFSET_SIZE'
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description = ('This error indicates that an offset commit was rejected'
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' because of oversize metadata.')
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class TopicAuthorizationFailedError(BrokerResponseError):
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errno = 29
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message = 'TOPIC_AUTHORIZATION_FAILED'
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description = ('Returned by the broker when the client is not authorized to'
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' access the requested topic.')
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class GroupAuthorizationFailedError(BrokerResponseError):
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errno = 30
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message = 'GROUP_AUTHORIZATION_FAILED'
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description = ('Returned by the broker when the client is not authorized to'
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' access a particular groupId.')
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class ClusterAuthorizationFailedError(BrokerResponseError):
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errno = 31
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message = 'CLUSTER_AUTHORIZATION_FAILED'
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description = ('Returned by the broker when the client is not authorized to'
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' use an inter-broker or administrative API.')
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class InvalidTimestampError(BrokerResponseError):
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errno = 32
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message = 'INVALID_TIMESTAMP'
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description = ('The timestamp of the message is out of acceptable range.')
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class KafkaUnavailableError(KafkaError):
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pass
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class KafkaTimeoutError(KafkaError):
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pass
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class FailedPayloadsError(KafkaError):
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def __init__(self, payload, *args):
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super(FailedPayloadsError, self).__init__(*args)
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self.payload = payload
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class ConnectionError(KafkaError):
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retriable = True
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invalid_metadata = True
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class BufferUnderflowError(KafkaError):
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pass
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class ChecksumError(KafkaError):
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pass
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class ConsumerFetchSizeTooSmall(KafkaError):
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pass
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class ConsumerNoMoreData(KafkaError):
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pass
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class ConsumerTimeout(KafkaError):
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pass
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class ProtocolError(KafkaError):
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pass
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class UnsupportedCodecError(KafkaError):
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pass
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class KafkaConfigurationError(KafkaError):
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pass
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class QuotaViolationError(KafkaError):
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pass
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class AsyncProducerQueueFull(KafkaError):
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def __init__(self, failed_msgs, *args):
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super(AsyncProducerQueueFull, self).__init__(*args)
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self.failed_msgs = failed_msgs
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def _iter_broker_errors():
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for name, obj in inspect.getmembers(sys.modules[__name__]):
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if inspect.isclass(obj) and issubclass(obj, BrokerResponseError) and obj != BrokerResponseError:
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yield obj
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kafka_errors = dict([(x.errno, x) for x in _iter_broker_errors()])
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def for_code(error_code):
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return kafka_errors.get(error_code, UnknownError)
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def check_error(response):
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if isinstance(response, Exception):
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raise response
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if response.error:
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error_class = kafka_errors.get(response.error, UnknownError)
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raise error_class(response)
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RETRY_BACKOFF_ERROR_TYPES = (
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KafkaUnavailableError, LeaderNotAvailableError,
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ConnectionError, FailedPayloadsError
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)
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RETRY_REFRESH_ERROR_TYPES = (
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NotLeaderForPartitionError, UnknownTopicOrPartitionError,
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LeaderNotAvailableError, ConnectionError
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)
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RETRY_ERROR_TYPES = RETRY_BACKOFF_ERROR_TYPES + RETRY_REFRESH_ERROR_TYPES
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