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README.md

DataHub Connector

This connector extracts metadata for user generated from DataHub.

Setup

  1. Install datahub.
pip install acryl-datahub
  1. Start quickstart datahub instance with the provided docker compose file:
datahub docker quickstart -f metaphor/datahub/docker-compose-without-neo4j-m1.quickstart.yml
- For other architectures, pull https://github.com/datahub-project/datahub/blob/master/docker/quickstart/docker-compose-without-neo4j.quickstart.yml, and add `METADATA_SERVICE_AUTH_ENABLED=true` to `datahub-gms` and `datahub-frontend-react` containers' enviroment variables.
  1. Once datahub starts, create a personal access token. See the official documentation for detailed process. This is the token our connector will use to connect to the datahub apis.

Config File

Create a YAML config file based on the following template.

Required Configurations

host: <host>
port: <port>
token: <token> # This is the personal access token.

Optional Configurations

Output Destination

See Output Config for more information.

Snowflake, MSSQL and Synapse Account

If there are data sources from Snowflake, MSSQL or Synapse, please provide their accounts as follows,

snowflake_account: <snowflake_account_name>
mssql_account: <mssql_account_name>
synapse_account: <synapse_account_name>

Description Author Email

DataHub does not keep track of the description authors. You can specify the description author email in the configuration file:

description_author_email: <email>

If not provided, each dataset's first owner will be considered as the author. If no owner exists for a dataset, the placeholder email admin@metaphor.io will be used.

Testing

Follow the Installation instructions to install metaphor-connectors in your environment (or virtualenv). Make sure to include either all or datahub extra.

Run the following command to test the connector locally:

metaphor datahub <config_file>

Manually verify the output after the run finishes.