string attributes match exact values or any string if set to empty string. it is not always obvious how to handle them. will acquire the internal producer id and epoch, used in all future SetAdminOperationTimeout sets the broker's operation timeout, such as the CommitOffsets commits the provided list of offsets is returned. Handle represents a generic client handle containing common parts for On timeout the application may broker metadata. will always be nil to avoid disclosing sensitive This works out of the box on Mac OSX and glibc-based Linux distros, on the `.ProduceChannel` or by calling `.Produce()`. This call will block until the transaction has been fully committed or // The principal this ACLBinding refers to. `AbortTransaction()` which marks any produced messages and or fatal error has been raised by calling Any produce call outside an on-going transaction, or for a failed Upon successful return from this function the application has to perform at // Error, if any, of returned result resource. before returning a result to the application. queues are purged. transaction errors. `ErrPurgeInflight` or `ErrPurgeQueue`. timeout for CreateTopics to complete the creation of topics on the controller Apache Kafka log, under-replicated partitions, etc. by providing a non-nil `chan Event` channel to `.Produce()`. If the key is found but the type does not match that of `defval` (unless nil) IncrementalAssign adds the specified partitions to the current set of String returns a human readable name for a Producer instance. GetMetadata queries broker for cluster and topic metadata. to committing the transaction with `CommitTransaction()`. String returns the human-readable representation of an ACLOperation. Poll the consumer for messages or events. with the assigned partition set. transaction may be started by calling `BeginTransaction()` again. Returns nil on success, ErrInvalidArg if the purge flags are invalid or unknown. last message in the partition, a value of -1 will be returned. * Create a Consumer with `kafka.NewConsumer()` providing at * Handle messages, events and errors to your liking. TopicPartition is a generic placeholder for a Topic+Partition and optionally Offset. This function should also be used to recover from non-fatal abortable LogEvent represent the log from librdkafka internal log queue. without performing the requested operation (create topics, etc). Close Consumer instance. This replaces the current subscription. such as Ubuntu and CentOS. producer and terminate. by calling `err. * Call `.Subscribe()` or (`.SubscribeTopics()` to subscribe to multiple topics) function `.Flush()` that will block until all message deliveries are done Modules with tagged versions give importers more predictable builds. Note: This function will block until all outstanding messages are purged The passed Event will be either AssignedPartitions or RevokedPartitions. an ErrInvalidArg error is returned. // PurgeInFlight purges messages in-flight to or from the broker. events to get an insight into what the assigned partitions where ACLBindingFilter specifies a filter used to return a list of ACL bindings matching some or all of its attributes. // indexed by the partition number, while the inner per-partition array, github.com/confluentinc/confluent-kafka-go, ACLOperationFromString(aclOperationString), ACLPermissionTypeFromString(aclPermissionTypeString), (a) AlterConfigs(ctx, resources, options), (a) CreateACLs(ctx, aclBindings, options), (a) CreatePartitions(ctx, partitions, options), (a) DeleteACLs(ctx, aclBindingFilters, options), (a) DescribeACLs(ctx, aclBindingFilter, options), (a) DescribeConfigs(ctx, resources, options), (a) GetMetadata(topic, allTopics, timeoutMs), (a) SetOAuthBearerToken(oauthBearerToken), StringMapToConfigEntries(stringMap, operation), (c) GetMetadata(topic, allTopics, timeoutMs), (c) GetWatermarkOffsets(topic, partition), (c) QueryWatermarkOffsets(topic, partition, timeoutMs), (c) SetOAuthBearerToken(oauthBearerToken), (p) GetMetadata(topic, allTopics, timeoutMs), (p) QueryWatermarkOffsets(topic, partition, timeoutMs), (p) SendOffsetsToTransaction(ctx, offsets, consumerMetadata), (p) SetOAuthBearerToken(oauthBearerToken), ResourcePatternTypeFromString(patternTypeString), Generic events for both Consumer and Producer, func ACLOperationFromString(aclOperationString string) (ACLOperation, error), func ACLPermissionTypeFromString(aclPermissionTypeString string) (ACLPermissionType, error), func (o ACLPermissionType) String() string, func NewAdminClient(conf *ConfigMap) (*AdminClient, error), func NewAdminClientFromConsumer(c *Consumer) (a *AdminClient, err error), func NewAdminClientFromProducer(p *Producer) (a *AdminClient, err error), func (a *AdminClient) AlterConfigs(ctx context.Context, resources []ConfigResource, ) (result []ConfigResourceResult, err error), func (a *AdminClient) ClusterID(ctx context.Context) (clusterID string, err error), func (a *AdminClient) ControllerID(ctx context.Context) (controllerID int32, err error), func (a *AdminClient) CreateACLs(ctx context.Context, aclBindings ACLBindings, options CreateACLsAdminOption) (result []CreateACLResult, err error), func (a *AdminClient) CreatePartitions(ctx context.Context, partitions []PartitionsSpecification, ) (result []TopicResult, err error), func (a *AdminClient) CreateTopics(ctx context.Context, topics []TopicSpecification, ) (result []TopicResult, err error), func (a *AdminClient) DeleteACLs(ctx context.Context, aclBindingFilters ACLBindingFilters, ) (result []DeleteACLsResult, err error), func (a *AdminClient) DeleteTopics(ctx context.Context, topics []string, options DeleteTopicsAdminOption) (result []TopicResult, err error), func (a *AdminClient) DescribeACLs(ctx context.Context, aclBindingFilter ACLBindingFilter, ) (result *DescribeACLsResult, err error), func (a *AdminClient) DescribeConfigs(ctx context.Context, resources []ConfigResource, ) (result []ConfigResourceResult, err error), func (a *AdminClient) GetMetadata(topic *string, allTopics bool, timeoutMs int) (*Metadata, error), func (a *AdminClient) SetOAuthBearerToken(oauthBearerToken OAuthBearerToken) error, func (a *AdminClient) SetOAuthBearerTokenFailure(errstr string) error, func SetAdminOperationTimeout(t time.Duration) (ao AdminOptionOperationTimeout), func SetAdminRequestTimeout(t time.Duration) (ao AdminOptionRequestTimeout), func SetAdminValidateOnly(validateOnly bool) (ao AdminOptionValidateOnly), func (e AssignedPartitions) String() string, func StringMapToConfigEntries(stringMap map[string]string, operation AlterOperation) []ConfigEntry, func (c ConfigEntryResult) String() string, func (m ConfigMap) Get(key string, defval ConfigValue) (ConfigValue, error), func (m ConfigMap) SetKey(key string, value ConfigValue) error, func (c ConfigResourceResult) String() string, func NewConsumer(conf *ConfigMap) (*Consumer, error), func (c *Consumer) Assign(partitions []TopicPartition) (err error), func (c *Consumer) Assignment() (partitions []TopicPartition, err error), func (c *Consumer) Commit() ([]TopicPartition, error), func (c *Consumer) CommitMessage(m *Message) ([]TopicPartition, error), func (c *Consumer) CommitOffsets(offsets []TopicPartition) ([]TopicPartition, error), func (c *Consumer) Committed(partitions []TopicPartition, timeoutMs int) (offsets []TopicPartition, err error), func (c *Consumer) GetConsumerGroupMetadata() (*ConsumerGroupMetadata, error), func (c *Consumer) GetMetadata(topic *string, allTopics bool, timeoutMs int) (*Metadata, error), func (c *Consumer) GetRebalanceProtocol() string, func (c *Consumer) GetWatermarkOffsets(topic string, partition int32) (low, high int64, err error), func (c *Consumer) IncrementalAssign(partitions []TopicPartition) (err error), func (c *Consumer) IncrementalUnassign(partitions []TopicPartition) (err error), func (c *Consumer) OffsetsForTimes(times []TopicPartition, timeoutMs int) (offsets []TopicPartition, err error), func (c *Consumer) Pause(partitions []TopicPartition) (err error), func (c *Consumer) Poll(timeoutMs int) (event Event), func (c *Consumer) Position(partitions []TopicPartition) (offsets []TopicPartition, err error), func (c *Consumer) QueryWatermarkOffsets(topic string, partition int32, timeoutMs int) (low, high int64, err error), func (c *Consumer) ReadMessage(timeout time.Duration) (*Message, error), func (c *Consumer) Resume(partitions []TopicPartition) (err error), func (c *Consumer) Seek(partition TopicPartition, timeoutMs int) error, func (c *Consumer) SetOAuthBearerToken(oauthBearerToken OAuthBearerToken) error, func (c *Consumer) SetOAuthBearerTokenFailure(errstr string) error, func (c *Consumer) StoreMessage(m *Message) (storedOffsets []TopicPartition, err error), func (c *Consumer) StoreOffsets(offsets []TopicPartition) (storedOffsets []TopicPartition, err error), func (c *Consumer) Subscribe(topic string, rebalanceCb RebalanceCb) error, func (c *Consumer) SubscribeTopics(topics []string, rebalanceCb RebalanceCb) (err error), func (c *Consumer) Subscription() (topics []string, err error), func (c *Consumer) Unassign() (err error), func (c *Consumer) Unsubscribe() (err error), func NewTestConsumerGroupMetadata(groupID string) (*ConsumerGroupMetadata, error), func NewError(code ErrorCode, str string, fatal bool) (err Error), func NewMockCluster(brokerCount int) (*MockCluster, error), func (mc *MockCluster) BootstrapServers() string, func (o OAuthBearerTokenRefresh) String() string, func NewOffset(offset interface{}) (Offset, error), func OffsetTail(relativeOffset Offset) Offset, func (o *Offset) Set(offset interface{}) error, func (o OffsetsCommitted) String() string, func NewProducer(conf *ConfigMap) (*Producer, error), func (p *Producer) AbortTransaction(ctx context.Context) error, func (p *Producer) BeginTransaction() error, func (p *Producer) CommitTransaction(ctx context.Context) error, func (p *Producer) Flush(timeoutMs int) int, func (p *Producer) GetMetadata(topic *string, allTopics bool, timeoutMs int) (*Metadata, error), func (p *Producer) InitTransactions(ctx context.Context) error, func (p *Producer) OffsetsForTimes(times []TopicPartition, timeoutMs int) (offsets []TopicPartition, err error), func (p *Producer) Produce(msg *Message, deliveryChan chan Event) error, func (p *Producer) ProduceChannel() chan *Message, func (p *Producer) Purge(flags int) error, func (p *Producer) QueryWatermarkOffsets(topic string, partition int32, timeoutMs int) (low, high int64, err error), func (p *Producer) SendOffsetsToTransaction(ctx context.Context, offsets []TopicPartition, ) error, func (p *Producer) SetOAuthBearerToken(oauthBearerToken OAuthBearerToken) error, func (p *Producer) SetOAuthBearerTokenFailure(errstr string) error, func (p *Producer) TestFatalError(code ErrorCode, str string) ErrorCode, func ResourcePatternTypeFromString(patternTypeString string) (ResourcePatternType, error), func (t ResourcePatternType) String() string, func ResourceTypeFromString(typeString string) (ResourceType, error), func (e RevokedPartitions) String() string, func (tps TopicPartitions) Less(i, j int) bool, func (tps TopicPartitions) Swap(i, j int), RD_KAFKA_CONFIG_SOURCE_DYNAMIC_TOPIC_CONFIG, RD_KAFKA_CONFIG_SOURCE_DYNAMIC_BROKER_CONFIG, RD_KAFKA_CONFIG_SOURCE_DYNAMIC_DEFAULT_BROKER_CONFIG, RD_KAFKA_CONFIG_SOURCE_STATIC_BROKER_CONFIG, https://tools.ietf.org/html/rfc7628#section-3.1, https://github.com/edenhill/librdkafka/tree/master/CONFIGURATION.md, Will block for at most timeoutMs milliseconds, RD_KAFKA_RESP_ERR_NOT_LEADER_FOR_PARTITION, RD_KAFKA_RESP_ERR_OFFSET_METADATA_TOO_LARGE, RD_KAFKA_RESP_ERR_COORDINATOR_LOAD_IN_PROGRESS, RD_KAFKA_RESP_ERR_COORDINATOR_NOT_AVAILABLE, RD_KAFKA_RESP_ERR_NOT_ENOUGH_REPLICAS_AFTER_APPEND, RD_KAFKA_RESP_ERR_INCONSISTENT_GROUP_PROTOCOL, RD_KAFKA_RESP_ERR_INVALID_SESSION_TIMEOUT, RD_KAFKA_RESP_ERR_INVALID_COMMIT_OFFSET_SIZE, RD_KAFKA_RESP_ERR_TOPIC_AUTHORIZATION_FAILED, RD_KAFKA_RESP_ERR_GROUP_AUTHORIZATION_FAILED, RD_KAFKA_RESP_ERR_CLUSTER_AUTHORIZATION_FAILED, RD_KAFKA_RESP_ERR_UNSUPPORTED_SASL_MECHANISM, RD_KAFKA_RESP_ERR_INVALID_REPLICATION_FACTOR, RD_KAFKA_RESP_ERR_INVALID_REPLICA_ASSIGNMENT, RD_KAFKA_RESP_ERR_UNSUPPORTED_FOR_MESSAGE_FORMAT, RD_KAFKA_RESP_ERR_OUT_OF_ORDER_SEQUENCE_NUMBER, RD_KAFKA_RESP_ERR_DUPLICATE_SEQUENCE_NUMBER, RD_KAFKA_RESP_ERR_INVALID_PRODUCER_ID_MAPPING, RD_KAFKA_RESP_ERR_INVALID_TRANSACTION_TIMEOUT, RD_KAFKA_RESP_ERR_CONCURRENT_TRANSACTIONS, RD_KAFKA_RESP_ERR_TRANSACTION_COORDINATOR_FENCED, RD_KAFKA_RESP_ERR_TRANSACTIONAL_ID_AUTHORIZATION_FAILED, RD_KAFKA_RESP_ERR_OPERATION_NOT_ATTEMPTED, RD_KAFKA_RESP_ERR_SASL_AUTHENTICATION_FAILED, RD_KAFKA_RESP_ERR_REASSIGNMENT_IN_PROGRESS, RD_KAFKA_RESP_ERR_DELEGATION_TOKEN_AUTH_DISABLED, RD_KAFKA_RESP_ERR_DELEGATION_TOKEN_NOT_FOUND, RD_KAFKA_RESP_ERR_DELEGATION_TOKEN_OWNER_MISMATCH, RD_KAFKA_RESP_ERR_DELEGATION_TOKEN_REQUEST_NOT_ALLOWED, RD_KAFKA_RESP_ERR_DELEGATION_TOKEN_AUTHORIZATION_FAILED, RD_KAFKA_RESP_ERR_DELEGATION_TOKEN_EXPIRED, RD_KAFKA_RESP_ERR_FETCH_SESSION_ID_NOT_FOUND, RD_KAFKA_RESP_ERR_INVALID_FETCH_SESSION_EPOCH, RD_KAFKA_RESP_ERR_TOPIC_DELETION_DISABLED, RD_KAFKA_RESP_ERR_UNSUPPORTED_COMPRESSION_TYPE, RD_KAFKA_RESP_ERR_PREFERRED_LEADER_NOT_AVAILABLE, RD_KAFKA_RESP_ERR_ELIGIBLE_LEADERS_NOT_AVAILABLE, RD_KAFKA_RESP_ERR_NO_REASSIGNMENT_IN_PROGRESS, RD_KAFKA_RESP_ERR_GROUP_SUBSCRIBED_TO_TOPIC, RD_KAFKA_RESP_ERR_THROTTLING_QUOTA_EXCEEDED, RD_KAFKA_RESP_ERR_UNACCEPTABLE_CREDENTIAL, RD_KAFKA_RESP_ERR_PRINCIPAL_DESERIALIZATION_FAILURE, https://tools.ietf.org/html/rfc7515#section-3.1. timestamp is greater than or equal to the given timestamp in the Unsubscribe from the current subscription, if any. retrieval/setting failed; it also schedules a new token refresh event for 10 which defaults to the `latest` message) and then call `.Assign(partitions)` idempotent producer errors. and then pass it to Position() to get the current consume position for are indeed delivered to the broker (or failed), remember that this is For errors that have neither retriable, abortable or the fatal flag set by calling `err. Currently only AlterOperationSet. LibrdkafkaLinkInfo explains how librdkafka was linked to the Go client, OffsetBeginning represents the earliest offset (logical), OffsetEnd represents the latest offset (logical), OffsetInvalid represents an invalid/unspecified offset, PartitionAny represents any partition (for partitioning), // Metadata about the token indicating when it expires (local time); // it must represent a time in the future, // Metadata about the token indicating the Kafka principal name, // to which it applies (for example, "admin"), // SASL extensions, if any, to be communicated to the broker during, // authentication (all keys and values of which must meet the regular, // and it must not contain the reserved "auth" key), // Config is the value of the sasl.oauthbearer.config property. seconds later so the attempt may be retried. See SetAdminRequestTimeout, SetAdminOperationTimeout. use of the events channel risks receiving outdated events and If you don't need to modify the initial offsets you will Be sure to invoke SetOAuthBearerToken() on the Producer/Consumer/AdminClient This is a convenience API that wraps Poll() and only returns const LibrdkafkaLinkInfo = "static glibc_linux from librdkafka-static-bundle-v1.9.1.tgz". the transactional state must be initialized by calling - Topic Metadata and auto creation. Logical offsets: "beginning", "earliest", "end", "latest", "unset", "invalid", "stored", OffsetTail returns the logical offset relativeOffset from current end of partition, OffsetsCommitted reports committed offsets. For backwards compatibility, "default.topic.config" (if supplied) BeginTransaction starts a new transaction. It is not permitted to produce messages outside a transaction These offsets will be considered committed only if the transaction is invoke SetOAuthBearerTokenFailure() to indicate that retrieval failed (or Manually verify that the examples/ applications work. with the transaction aware consumer (`isolation.level=read_committed`). from the broker and be passed thru as-is to the application. OffsetInvalid will be returned if there is no cached offset for either value. Key is a human readable string identifying the header. before building: Some of the tests included in this directory, the benchmark and integration tests in particular, handled by the transaction coordinator, or until the `ctx` expires, DescribeConfigs request. Offsets should be 
ResourceTypeFromString translates a resource type name/string to // Name of configuration entry, e.g., topic configuration property name. Returns a slice of CreateACLResult with a ErrNoError ErrorCode when the operation was successful plus an error that is not `nil` for client level errors. least one of the following operations within `transaction.timeout.ms` to Note: With the transactional producer, `Produce()`, et.al, are only NewProducer creates a new high-level Producer instance. delivered and the transaction commit request has been successfully Update the minimum required librdkafka version in kafka/00version.go a ACLOperation value. There is no way for a producer instance to recover may be retried. ResourcePatternTypeFromString translates a resource pattern type name to // if an explicit ReplicaAssignment is set. operations, error injection, etc. String returns the human-readable representation of a ResourceType, RevokedPartitions consumer group rebalance event: revoked partition set, TimestampType is a the Message timestamp type or source, TopicMetadata contains per-topic metadata. At this point the producer application must abort the current transaction ReadMessage polls the consumer for a message. Per-partition errors may be returned in the `.Error` field. // 2) SASL/OAUTHBEARER is not supported by the underlying librdkafka build; // 3) SASL/OAUTHBEARER is supported but is not configured as the client's, // SetOAuthBearerTokenFailure sets the error message describing why token, // retrieval/setting failed; it also schedules a new token refresh event for 10, // seconds later so the attempt may be retried.
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ResourceTypeFromString translates a resource type name/string to // Name of configuration entry, e.g., topic configuration property name. Returns a slice of CreateACLResult with a ErrNoError ErrorCode when the operation was successful plus an error that is not `nil` for client level errors. least one of the following operations within `transaction.timeout.ms` to Note: With the transactional producer, `Produce()`, et.al, are only NewProducer creates a new high-level Producer instance. delivered and the transaction commit request has been successfully Update the minimum required librdkafka version in kafka/00version.go a ACLOperation value. There is no way for a producer instance to recover may be retried. ResourcePatternTypeFromString translates a resource pattern type name to // if an explicit ReplicaAssignment is set. operations, error injection, etc. String returns the human-readable representation of a ResourceType, RevokedPartitions consumer group rebalance event: revoked partition set, TimestampType is a the Message timestamp type or source, TopicMetadata contains per-topic metadata. At this point the producer application must abort the current transaction ReadMessage polls the consumer for a message. Per-partition errors may be returned in the `.Error` field. // 2) SASL/OAUTHBEARER is not supported by the underlying librdkafka build; // 3) SASL/OAUTHBEARER is supported but is not configured as the client's, // SetOAuthBearerTokenFailure sets the error message describing why token, // retrieval/setting failed; it also schedules a new token refresh event for 10, // seconds later so the attempt may be retried.
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