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In this section, we provide guides and references to use the Delta Lake connector. Configure and schedule Delta Lake metadata and profiler workflows from the OpenMetadata UI:

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How to Run the Connector Externally

To run the Ingestion via the UI you’ll need to use the OpenMetadata Ingestion Container, which comes shipped with custom Airflow plugins to handle the workflow deployment. If, instead, you want to manage your workflows externally on your preferred orchestrator, you can check the following docs to run the Ingestion Framework anywhere.

External Schedulers

Get more information about running the Ingestion Framework Externally

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Requirements

Delta Lake requires to run with Python 3.9 or 3.10. We do not yet support the Delta connector for Python 3.11

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Python Requirements

We have support for Python versions 3.9-3.11
To run the Delta Lake ingestion, you will need to install:
  • If extracting from a metastore
pip3 install "openmetadata-ingestion[deltalake-spark]"
  • If extracting directly from the storage
pip3 install "openmetadata-ingestion[deltalake-storage]"

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Metadata Ingestion

All connectors are defined as JSON Schemas. Here you can find the structure to create a connection to Delta Lake. In order to create and run a Metadata Ingestion workflow, we will follow the steps to create a YAML configuration able to connect to the source, process the Entities if needed, and reach the OpenMetadata server. The workflow is modeled around the following JSON Schema

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1. Define the YAML Config

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Source Configuration - From Metastore

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Source Configuration - From Storage - S3

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2. Run with the CLI

First, we will need to save the YAML file. Afterward, and with all requirements installed, we can run: 
metadata ingest -c <path-to-yaml>
Note that from connector to connector, this recipe will always be the same. By updating the YAML configuration, you will be able to extract metadata from different sources.

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dbt Integration

dbt Integration

Learn more about how to ingest dbt models