Streaming service dependencies from Zipkin spans using Kafka Streams. Streaming version of https://github.com/openzipkin/zipkin-dependencies.
| Key | Description | Default Value |
|---|---|---|
| KAFKA_BOOTSTRAP_SERVERS | Kafka Bootstrap Servers where Zipkin Kafka Reporters store Span. | localhost:29092 |
| TOPIC_SPANS | Kafka Topic where Zipkin Spans are stored. | zipkin |
| FORMAT | Zipkin format. Options: JSON_V1, JSON_V2, PROTO3. | JSON_V2 |
| STORAGE_TYPE | Storage where Zipkin dependencies will be forwarded. Options: STDOUT, ELASTICSEARCH, CASSANDRA. | STDOUT |
By default, dependencies are stored in a Kafka Topic, and print out to StdOut.
| Key | Description | Default Value |
|---|---|---|
| ELASTICSEARCH_URLS | Elasticsearch nodes URLs | localhost:19200 |
| ELASTICSEARCH_INDEX | Elasticsearch index prefix | zipkin |
| ELASTICSEARCH_DATE_SEPARATOR | Separator for Dates on Index name. | - |
| Key | Description | Default Value |
|---|---|---|
| CASSANDRA_CONTACT_POINTS | Cassandra Contact Point hosts. | localhost |
| CASSANDRA_KEYSPACE | Cassandra keyspace. | zipkin |
Run: docker-compose up -d to start a Zipkin server with Elasticsearch storage, and Kafka as ingestion component.
Run: src/test/java/no/sysco/middleware/zipkin/dependencies/streaming/tools/SpanKafkaProducer.java that will use the spans.json file to push spans via Kafka.
In less than 1 minutes, dependencies should be available under http://localhost:9411/zipkin/dependency/
