kafka-connect-tennet

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Reads the imbalance data (XML) form the tennet website and push it to Kafka

Configurations

Name	Optional	Default	Description
tennet.imbalance.topic	No	-	The topic to write imbalance data to.
tennet.setttlement.prices.topic	No	-	The topic to write settlement price data to.
tennet.bidladder.topic	No	-	The topic to write bid ladder data to.
tennet.url	Yes	http://www.tennet.org/xml/balancedeltaprices/balans-delta_2h.xml	Tennet endpoint.
tennet.refresh	Yes	PT5M	The poll frequency in ISO8601 format.
tennet.max.backoff	Yes	PT40M	On failure, exponentially backoff to at most this ISO8601 duration.

Adding the Connector to the Classpath

The use the Connector it needs to be on the classpath of your Kafka Connect Cluster. The easiest way is to explicitly add it like this and then start Kafka Connect.

export CLASSPATH=target/kafka-connect-tennet-1.0.1-3.0.1-all.jar

Example

connector.class = com.eneco.trading.kafka.connect.tennet.TennetSourceConnector
tasks.max = 1
name = tennet
tennet.imbalance.topic = imbalance
tennet.setttlement.prices.topic = settlement_prices
tennet.bidladder.topic = bid_ladder

Post in the config to Connect with DataMountaineers CLI.

cli.sh create tennet < src/main/resources/connector.properties

Work in progress

• connector reads the XML and creates a message for each record

WIP:

• partitioning/offset/keys

TODO:

• write tests
• more error handling