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Lenses for Apache Kafka

Lenses offers SQL (for data browsing and Kafka Streams), Kafka Connect connector management, cluster monitoring and more.

You can find more on landoop.com!

Stream Reactor

Alt text

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 to connect.documentdb.db
  • Rename Azure DocumentDb connect.documentdb.database.create to connect.documentdb.db.create
  • Rename Cassandra Source connect.cassandra.source.kcql to connect.cassandra.kcql
  • Rename Cassandra Source connect.cassandra.source.timestamp.type to connect.cassandra.timestamp.type
  • Rename Cassandra Source connect.cassandra.source.import.poll.interval to connect.cassandra.import.poll.interval
  • Rename Cassandra Source connect.cassandra.source.error.policy to connect.cassandra.error.policy
  • Rename Cassandra Source connect.cassandra.source.max.retries to connect.cassandra.max.retries
  • Rename Cassandra Sink connect.cassandra.source.retry.interval to connect.cassandra.retry.interval
  • Rename Cassandra Sink connect.cassandra.sink.kcql to connect.cassandra.kcql
  • Rename Cassandra Sink connect.cassandra.sink.error.policy to connect.cassandra.error.policy
  • Rename Cassandra Sink connect.cassandra.sink.max.retries to connect.cassandra.max.retries
  • Rename Cassandra Sink Sink connect.cassandra.sink.retry.interval to connect.cassandra.retry.interval
  • Rename Coap Source connect.coap.bind.port to connect.coap.port
  • Rename Coap Sink connect.coap.bind.port to connect.coap.port
  • Rename Coap Source connect.coap.bind.host to connect.coap.host
  • Rename Coap Sink connect.coap.bind.host to connect.coap.host
  • Rename MongoDb connect.mongo.database to connect.mongo.db
  • Rename MongoDb connect.mongo.sink.batch.size to connect.mongo.batch.size
  • Rename Druid connect.druid.sink.kcql to connect.druid.kcql
  • Rename Druid connect.druid.sink.conf.file to connect.druid.kcql
  • Rename Druid connect.druid.sink.write.timeout to connect.druid.write.timeout
  • Rename Elastic connect.elastic.sink.kcql to connect.elastic.kcql
  • Rename HBase connect.hbase.sink.column.family to connect.hbase.column.family
  • Rename HBase connect.hbase.sink.kcql to connect.hbase.kcql
  • Rename HBase connect.hbase.sink.error.policy to connect.hbase.error.policy
  • Rename HBase connect.hbase.sink.max.retries to connect.hbase.max.retries
  • Rename HBase connect.hbase.sink.retry.interval to connect.hbase.retry.interval
  • Rename Influx connect.influx.sink.kcql to connect.influx.kcql
  • Rename Influx connect.influx.connection.user to connect.influx.username
  • Rename Influx connect.influx.connection.password to connect.influx.password
  • Rename Influx connect.influx.connection.database to connect.influx.db
  • Rename Influx connect.influx.connection.url to connect.influx.url
  • Rename Kudu connect.kudu.sink.kcql to connect.kudu.kcql
  • Rename Kudu connect.kudu.sink.error.policy to connect.kudu.error.policy
  • Rename Kudu connect.kudu.sink.retry.interval to connect.kudu.retry.interval
  • Rename Kudu connect.kudu.sink.max.retries to connect.kudu.max.reties
  • Rename Kudu connect.kudu.sink.schema.registry.url to connect.kudu.schema.registry.url
  • Rename Redis connect.redis.connection.password to connect.redis.password
  • Rename Redis connect.redis.sink.kcql to connect.redis.kcql
  • Rename Redis connect.redis.connection.host to connect.redis.host
  • Rename Redis connect.redis.connection.port to connect.redis.port
  • Rename ReThink connect.rethink.source.host to connect.rethink.host
  • Rename ReThink connect.rethink.source.port to connect.rethink.port
  • Rename ReThink connect.rethink.source.db to connect.rethink.db
  • Rename ReThink connect.rethink.source.kcql to connect.rethink.kcql
  • Rename ReThink Sink connect.rethink.sink.host to connect.rethink.host
  • Rename ReThink Sink connect.rethink.sink.port to connect.rethink.port
  • Rename ReThink Sink connect.rethink.sink.db to connect.rethink.db
  • Rename ReThink Sink connect.rethink.sink.kcql to connect.rethink.kcql
  • Rename JMS connect.jms.user to connect.jms.username
  • Rename JMS connect.jms.source.converters to connect.jms.converters
  • Remove JMS connect.jms.converters and replace my kcql withConverters
  • Remove JMS connect.jms.queues and replace my kcql withType QUEUE
  • Remove JMS connect.jms.topics and replace my kcql withType TOPIC
  • Rename Mqtt connect.mqtt.source.kcql to connect.mqtt.kcql
  • Rename Mqtt connect.mqtt.user to connect.mqtt.username
  • Rename Mqtt connect.mqtt.hosts to connect.mqtt.connection.hosts
  • Remove Mqtt connect.mqtt.converters and replace my kcql withConverters
  • Remove Mqtt connect.mqtt.queues and replace my kcql withType=QUEUE
  • Remove Mqtt connect.mqtt.topics and replace my kcql withType=TOPIC
  • Rename Hazelcast connect.hazelcast.sink.kcql to connect.hazelcast.kcql
  • Rename Hazelcast connect.hazelcast.sink.group.name to connect.hazelcast.group.name
  • Rename Hazelcast connect.hazelcast.sink.group.password to connect.hazelcast.group.password
  • Rename Hazelcast connect.hazelcast.sink.cluster.members tp connect.hazelcast.cluster.members
  • Rename Hazelcast connect.hazelcast.sink.batch.size to connect.hazelcast.batch.size
  • Rename Hazelcast connect.hazelcast.sink.error.policy to connect.hazelcast.error.policy
  • Rename Hazelcast connect.hazelcast.sink.max.retries to connect.hazelcast.max.retries
  • Rename Hazelcast connect.hazelcast.sink.retry.interval to connect.hazelcast.retry.interval
  • Rename VoltDB connect.volt.sink.kcql to connect.volt.kcql
  • Rename VoltDB connect.volt.sink.connection.servers to connect.volt.servers
  • Rename VoltDB connect.volt.sink.connection.user to connect.volt.username
  • Rename VoltDB connect.volt.sink.connection.password to connect.volt.password
  • Rename VoltDB connect.volt.sink.error.policy to connect.volt.error.policy
  • Rename VoltDB connect.volt.sink.max.retries to connect.volt.max.retries
  • Rename VoltDB connect.volt.sink.retry.interval to connect.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. Use connect.influx.consistency.level to set it to ONE/QUORUM/ALL/ANY
  • InfluxDb connect.influx.sink.route.query was renamed to connect.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 and Json with schema in the Cassandra, ReThinkDB, InfluxDB and MongoDB sinks.
  • Rename export.query.route to sink.kcql.
  • Rename import.query.route to source.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!