Lenses offers SQL (for data browsing and Kafka Streams), Kafka Connect connector management, cluster monitoring and more.
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A collection of components to build a real time ingestion pipeline.
Connectors
Please take a moment and read the documentation and make sure the software prerequisites are met!!
Connector | Type | Description | Docs |
---|---|---|---|
AzureDocumentDb | Sink | Kafka connect Azure DocumentDb sink to subscribe to write to the cloud Azure Document Db. | Docs |
BlockChain | Source | Kafka connect Blockchain source to subscribe to Blockchain streams and write to Kafka. | Docs |
Bloomberg | Source | Kafka connect source to subscribe to Bloomberg streams and write to Kafka. | Docs |
Cassandra | Source | Kafka connect Cassandra source to read Cassandra and write to Kafka. | Docs |
*Cassandra | Sink | Certified DSE Kafka connect Cassandra sink task to write Kafka topic payloads to Cassandra. | Docs |
Coap | Source | Kafka connect Coap source to read from IoT Coap endpoints using Californium. | Docs |
Coap | Sink | Kafka connect Coap sink to write kafka topic payload to IoT Coap endpoints using Californium. | Docs |
Druid | Sink | Kafka connect Druid sink to write Kafka topic payloads to Druid. | |
Elastic | Sink | Kafka connect Elastic Search sink to write Kafka topic payloads to Elastic Search 2.x | Docs |
Elastic 5 | Sink | Kafka connect Elastic Search sink to write payloads to Elastic Search 5.x w. tcp or http | Docs |
Elastic 6 | Sink | Kafka connect Elastic Search sink to write payloads to Elastic Search 6.x w. tcp or http | Docs |
FTP/HTTP | Source | Kafka connect FTP and HTTP source to write file data into Kafka topics. | Docs |
HBase | Sink | Kafka connect HBase sink to write Kafka topic payloads to HBase. | Docs |
Hazelcast | Sink | Kafka connect Hazelcast sink to write Kafka topic payloads to Hazelcast. | Docs |
Kudu | Sink | Kafka connect Kudu sink to write Kafka topic payloads to Kudu. | Docs |
InfluxDb | Sink | Kafka connect InfluxDb sink to write Kafka topic payloads to InfluxDb. | Docs |
JMS | Source | Kafka connect JMS source to write from JMS to Kafka topics. | Docs |
JMS | Sink | Kafka connect JMS sink to write Kafka topic payloads to JMS. | Docs |
MongoDB | Sink | Kafka connect MongoDB sink to write Kafka topic payloads to MongoDB. | Docs |
MQTT | Source | Kafka connect MQTT source to write data from MQTT to Kafka. | Docs |
MQTT | Sink | Kafka connect MQTT sink to write data from Kafka to MQTT. | Docs |
Pulsar | Source | Kafka connect Pulsar source to write data from Pulsar to Kafka. | Docs |
Pulsar | Sink | Kafka connect Pulsar sink to write data from Kafka to Pulsar. | Docs |
Redis | Sink | Kafka connect Redis sink to write Kafka topic payloads to Redis. | Docs |
ReThinkDB | Source | Kafka connect RethinkDb source subscribe to ReThinkDB changefeeds and write to Kafka. | Docs |
ReThinkDB | Sink | Kafka connect RethinkDb sink to write Kafka topic payloads to RethinkDb. | Docs |
VoltDB | Sink | Kafka connect Voltdb sink to write Kafka topic payloads to Voltdb. | Docs |
Release Notes
1.1.0 Pending
- Added SSL, subscription, partitioning, batching and key selection to Pulsar source and sink
- Elastic6 connector @caiooliveiraeti !
- HTTP Basic Auth for Elasticsearch http client thanks @justinsoong !
- Add polling timeout on the JMS source connector to avoid high CPU in the source connector poll thanks #373 @matthedude
- Fixes on the elastic primary key separator thanks @caiooliveiraeti!
- Fix on the MQTT class loader
- Fix on the JMS class loader
- Fix on JMS to close down connections cleanly #363 thanks @matthedude!
- Fix on MQTT to correctly handle authentication
- Moved MongoDB batch size to KCQL.
connect.mongodb.batch.size
is deprecated - Added
connect.mapping.collection.to.json
to treat maps, list, sets as json when inserting into Cassandra - Added support for Elastic Pipelines thanks @caiooliveiraeti!
- Moved ReThinkDB batch size to KCQL
connect.rethink.batch.size
is deprecated - MQTT source allows full control of matching the topic
INSERT INTO targetTopic SELECT * FROM mqttTopic ... WITHREGEX=`$THE_REGEX`
1.0.0
- Kafka 1.0.o Support
0.4.0
- Add FTPS support to FTP connector, new configuration option
ftp.protocol
introduced, either ftp (default) or ftps. - Fix for MQTT source High CPU Thanks @masahirom!
- Improve logging on Kudu
- DELETE functionality add to the Cassandra sink, deletion now possible for null payloads, thanks @sandonjacobs !
- Fix in kafka-connect-common to handle primary keys with doc strings thanks, @medvekoma !
- Fix writing multiple topics to the same table in Cassandra #284
- Upgrade to Cassandra driver 3.3.0 and refactor Cassandra tests
- Fix on JMS source transacted queues #285 thanks @matthedude !
- Fix on Cassandra source, configurable timespan queries. You can now control the timespan the Connector will query for
- Allow setting initial query timestamp on Cassandra source
- Allow multiple primary keys on the redis sink
0.3.0
- Upgrade CoAP to 2.0.0-M4
- Upgrade to Confluent 3.3 and Kafka 0.11.0.0.
- Added MQTT Sink.
- Add MQTT wildcard support.
- Upgrade CoAP to 2.0.0-M4.
- Added WITHCONVERTERS and WITHTYPE to JMS and MQTT connectors in KCQL to simplify configuration.
- Added FLUSH MODE to Kudu. Thanks! @patsak
0.2.6
Features
- Added MQTT Sink
- Upgrade to Confluent 3.2.2
- Upgrade to KCQL 2x
- Add CQL generator to Cassandra source
- Add KCQL INCREMENTALMODE support to the Cassandra source, bulk mode and the timestamp column type is now take from KCQL
- Support for setting key and truststore type on Cassandra connectors
- Added token based paging support for Cassandra source
- Added default bytes converter to JMS Source
- Added default connection factory to JMS Source
- Added support for SharedDurableConsumers to JMS Connectors
- Upgraded JMS Connector to JMS 2.0
- Moved to Elastic4s 2.4
- Added Elastic5s with TCP, TCP+XPACK and HTTP client support
- Upgrade Azure Documentdb to 1.11.0
- Added optional progress counter to all connectors, it can be enabled with
connect.progress.enabled
which will periodically report log messages processed - Added authentication and TLS to ReThink Connectors
- Added TLS support for ReThinkDB, add batch size option to source for draining the internal queues.
- Upgrade Kudu Client to 1.4.0
- Support for dates in Elastic Indexes and custom document types
- Upgrade Connect CLI to 1.0.2 (Renamed to connect-cli)
Bug Fixes
- Fixes for high CPU on CoAP source
- Fixes for high CPU on Cassandra source
- Fixed Avro double fields mapping to Kudu columns
- Fixes on JMS properties converter, Invalid schema when extracting properties
Misc
- Refactored Cassandra Tests to use only one embedded instance
- Removed unused batch size and bucket size options from Kudu, they are taken from KCQL
- Removed unused batch size option from DocumentDb
- Rename Azure DocumentDb
connect.documentdb.db
toconnect.documentdb.db
- Rename Azure DocumentDb
connect.documentdb.database.create
toconnect.documentdb.db.create
- Rename Cassandra Source
connect.cassandra.source.kcql
toconnect.cassandra.kcql
- Rename Cassandra Source
connect.cassandra.source.timestamp.type
toconnect.cassandra.timestamp.type
- Rename Cassandra Source
connect.cassandra.source.import.poll.interval
toconnect.cassandra.import.poll.interval
- Rename Cassandra Source
connect.cassandra.source.error.policy
toconnect.cassandra.error.policy
- Rename Cassandra Source
connect.cassandra.source.max.retries
toconnect.cassandra.max.retries
- Rename Cassandra Sink
connect.cassandra.source.retry.interval
toconnect.cassandra.retry.interval
- Rename Cassandra Sink
connect.cassandra.sink.kcql
toconnect.cassandra.kcql
- Rename Cassandra Sink
connect.cassandra.sink.error.policy
toconnect.cassandra.error.policy
- Rename Cassandra Sink
connect.cassandra.sink.max.retries
toconnect.cassandra.max.retries
- Rename Cassandra Sink Sink
connect.cassandra.sink.retry.interval
toconnect.cassandra.retry.interval
- Rename Coap Source
connect.coap.bind.port
toconnect.coap.port
- Rename Coap Sink
connect.coap.bind.port
toconnect.coap.port
- Rename Coap Source
connect.coap.bind.host
toconnect.coap.host
- Rename Coap Sink
connect.coap.bind.host
toconnect.coap.host
- Rename MongoDb
connect.mongo.database
toconnect.mongo.db
- Rename MongoDb
connect.mongo.sink.batch.size
toconnect.mongo.batch.size
- Rename Druid
connect.druid.sink.kcql
toconnect.druid.kcql
- Rename Druid
connect.druid.sink.conf.file
toconnect.druid.kcql
- Rename Druid
connect.druid.sink.write.timeout
toconnect.druid.write.timeout
- Rename Elastic
connect.elastic.sink.kcql
toconnect.elastic.kcql
- Rename HBase
connect.hbase.sink.column.family
toconnect.hbase.column.family
- Rename HBase
connect.hbase.sink.kcql
toconnect.hbase.kcql
- Rename HBase
connect.hbase.sink.error.policy
toconnect.hbase.error.policy
- Rename HBase
connect.hbase.sink.max.retries
toconnect.hbase.max.retries
- Rename HBase
connect.hbase.sink.retry.interval
toconnect.hbase.retry.interval
- Rename Influx
connect.influx.sink.kcql
toconnect.influx.kcql
- Rename Influx
connect.influx.connection.user
toconnect.influx.username
- Rename Influx
connect.influx.connection.password
toconnect.influx.password
- Rename Influx
connect.influx.connection.database
toconnect.influx.db
- Rename Influx
connect.influx.connection.url
toconnect.influx.url
- Rename Kudu
connect.kudu.sink.kcql
toconnect.kudu.kcql
- Rename Kudu
connect.kudu.sink.error.policy
toconnect.kudu.error.policy
- Rename Kudu
connect.kudu.sink.retry.interval
toconnect.kudu.retry.interval
- Rename Kudu
connect.kudu.sink.max.retries
toconnect.kudu.max.reties
- Rename Kudu
connect.kudu.sink.schema.registry.url
toconnect.kudu.schema.registry.url
- Rename Redis
connect.redis.connection.password
toconnect.redis.password
- Rename Redis
connect.redis.sink.kcql
toconnect.redis.kcql
- Rename Redis
connect.redis.connection.host
toconnect.redis.host
- Rename Redis
connect.redis.connection.port
toconnect.redis.port
- Rename ReThink
connect.rethink.source.host
toconnect.rethink.host
- Rename ReThink
connect.rethink.source.port
toconnect.rethink.port
- Rename ReThink
connect.rethink.source.db
toconnect.rethink.db
- Rename ReThink
connect.rethink.source.kcql
toconnect.rethink.kcql
- Rename ReThink Sink
connect.rethink.sink.host
toconnect.rethink.host
- Rename ReThink Sink
connect.rethink.sink.port
toconnect.rethink.port
- Rename ReThink Sink
connect.rethink.sink.db
toconnect.rethink.db
- Rename ReThink Sink
connect.rethink.sink.kcql
toconnect.rethink.kcql
- Rename JMS
connect.jms.user
toconnect.jms.username
- Rename JMS
connect.jms.source.converters
toconnect.jms.converters
- Remove JMS
connect.jms.converters
and replace my kcqlwithConverters
- Remove JMS
connect.jms.queues
and replace my kcqlwithType QUEUE
- Remove JMS
connect.jms.topics
and replace my kcqlwithType TOPIC
- Rename Mqtt
connect.mqtt.source.kcql
toconnect.mqtt.kcql
- Rename Mqtt
connect.mqtt.user
toconnect.mqtt.username
- Rename Mqtt
connect.mqtt.hosts
toconnect.mqtt.connection.hosts
- Remove Mqtt
connect.mqtt.converters
and replace my kcqlwithConverters
- Remove Mqtt
connect.mqtt.queues
and replace my kcqlwithType=QUEUE
- Remove Mqtt
connect.mqtt.topics
and replace my kcqlwithType=TOPIC
- Rename Hazelcast
connect.hazelcast.sink.kcql
toconnect.hazelcast.kcql
- Rename Hazelcast
connect.hazelcast.sink.group.name
toconnect.hazelcast.group.name
- Rename Hazelcast
connect.hazelcast.sink.group.password
toconnect.hazelcast.group.password
- Rename Hazelcast
connect.hazelcast.sink.cluster.members
tpconnect.hazelcast.cluster.members
- Rename Hazelcast
connect.hazelcast.sink.batch.size
toconnect.hazelcast.batch.size
- Rename Hazelcast
connect.hazelcast.sink.error.policy
toconnect.hazelcast.error.policy
- Rename Hazelcast
connect.hazelcast.sink.max.retries
toconnect.hazelcast.max.retries
- Rename Hazelcast
connect.hazelcast.sink.retry.interval
toconnect.hazelcast.retry.interval
- Rename VoltDB
connect.volt.sink.kcql
toconnect.volt.kcql
- Rename VoltDB
connect.volt.sink.connection.servers
toconnect.volt.servers
- Rename VoltDB
connect.volt.sink.connection.user
toconnect.volt.username
- Rename VoltDB
connect.volt.sink.connection.password
toconnect.volt.password
- Rename VoltDB
connect.volt.sink.error.policy
toconnect.volt.error.policy
- Rename VoltDB
connect.volt.sink.max.retries
toconnect.volt.max.retries
- Rename VoltDB
connect.volt.sink.retry.interval
toconnect.volt.retry.interval
0.2.5 (8 Apr 2017)
- Added Azure DocumentDB Sink Connector
- Added JMS Source Connector.
- Added UPSERT to Elastic Search
- Support Confluent 3.2 and Kafka 0.10.2.
- Cassandra improvements
withunwrap
- Upgrade to Kudu 1.0 and CLI 1.0
- Add ingest_time to CoAP Source
- InfluxDB bug fixes for tags and field selection.
- Added Schemaless Json and Json with schema support to JMS Sink.
- Support for Cassandra data type of
timestamp
in the Cassandra Source for timestamp tracking.
0.2.4 (26 Jan 2017)
- Added FTP and HTTP Source.
- Added InfluxDB tag support. KCQL: INSERT INTO targetdimension
SELECT * FROM influx-topic WITHTIMESTAMP sys_time() WITHTAG(field1, CONSTANT_KEY1=CONSTANT_VALUE1, field2,CONSTANT_KEY2=CONSTANT_VALUE1)
- Added InfluxDb consistency level. Default is
ALL
. Useconnect.influx.consistency.level
to set it to ONE/QUORUM/ALL/ANY - InfluxDb
connect.influx.sink.route.query
was renamed toconnect.influx.sink.kcql
- Added support for multiple contact points in Cassandra
0.2.3 (5 Jan 2017)
- Added CoAP Source and Sink.
- Added MongoDB Sink.
- Added MQTT Source.
- Hazelcast support for ring buffers.
- Redis support for Sorted Sets.
- Added start scripts.
- Added Kafka Connect and Schema Registry CLI.
- Kafka Connect CLI now supports pause/restart/resume; checking connectors on the classpath and validating configuration of connectors.
- Support for
Struct
,Schema.STRING
andJson
with schema in the Cassandra, ReThinkDB, InfluxDB and MongoDB sinks. - Rename
export.query.route
tosink.kcql
. - Rename
import.query.route
tosource.kcql
. - Upgrade to KCQL 0.9.5 - Add support for
STOREAS
so specify target sink types, e.g. Redis Sorted Sets, Hazelcast map, queues, ringbuffers.
Building
Requires gradle 3.0 to build.
To build
gradle compile
To test
gradle test
To create a fat jar
gradle shadowJar
You can also use the gradle wrapper
./gradlew shadowJar
To view dependency trees
gradle dependencies # or gradle :kafka-connect-cassandra:dependencies
To build a particular project
gradle :kafka-connect-elastic5:build
To create a jar of a particular project:
gradle :kafka-connect-elastic5:shadowJar
Contributing
We'd love to accept your contributions! Please use GitHub pull requests: fork the repo, develop and test your code, semantically commit and submit a pull request. Thanks!