ptzagk / dockers

Docker images for Stream Reactor

DataMountaineer Dockers

These images use Confluent's docker utility belt to take all environment variables prefixed with CONNECTOR to create a connector properties file. Environment variables beginning with CONNECT are used to create the properties file for the Kafka Connect Cluster. The Connector properties file is then pushed via DataMountaineers Connect CLI to the Connect workers API once it's up to start the connector.

The expected usecase is that the Connect Worker joins with other pods deployed via Helm to form a Connect Cluster for a specific instance of one connector only. It can only post in a configuration for one type based on the environment variables.

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For example:

docker run \
     -e CONNECT_REST_PORT=8083 \
         -e CONNECT_GROUP_ID="test" \
         -e CONNECT_STATUS_STORAGE_TOPIC="tes" \
         -e CONNECT_CONFIG_STORAGE_TOPIC="test" \
         -e CONNECT_OFFSET_STORAGE_TOPIC="test2" \
         -e CONNECT_BOOTSTRAP_SERVERS="kafka-1:9092" \
         -e CONNECT_KEY_CONVERTER="io.confluent.connect.avro.AvroConverter" \
         -e CONNECT_VALUE_CONVERTER="io.confluent.connect.avro.AvroConverter" \
         -e CONNECT_INTERNAL_KEY_CONVERTER="org.apache.kafka.connect.json.JsonConverter" \
         -e CONNECT_INTERNAL_VALUE_CONVERTER="org.apache.kafka.connect.json.JsonConverter" \
         -e CONNECT_REST_ADVERTISED_HOST_NAME="blat" \
         -e CONNECT_KEY_CONVERTER_SCHEMA_REGISTRY_URL="http://sr-0:8081" \
         -e CONNECT_VALUE_CONVERTER_SCHEMA_REGISTRY_URL="http://sr-0:8081" \
         -e CONNECTOR_CONNECTOR_CLASS="com.datamountaineer.streamreactor.connect.elastic.ElasticSinkConnector" \
         -e CONNECTOR_NAME="elasticsearch-sink-orders" \
         -e CONNECTOR_TASKS_MAX=1 \
         -e CONNECTOR_CONNECT_ELASTIC_SINK_KCQL="INSERT INTO index_1 SELECT * FROM orders-topic" \
         -e CONNECTOR_TOPICS="topic_consumer_logs" \
         -e CONNECTOR_CONNECT_ELASTIC_URL="http://elastic_url" \
         -e CONNECTOR_CONNECT_ELASTIC_CLUSTER_NAME="elasticsearch" \
         datamountaineer/kafka-connect-elastic:0.2.5