Tokern Lineage Engine

Tokern Lineage Engine is fast and easy to use application to collect, visualize and analyze column-level data lineage in databases, data warehouses and data lakes in AWS and GCP.

Tokern Lineage helps you browse column-level data lineage

• visually using kedro-viz
• analyze lineage graphs programmatically using the powerful networkx graph library

Resources

• Demo of Tokern Lineage App

• Checkout an example data lineage notebook.

• Check out the post on using data lineage for cost control for an example of how data lineage can be used in production.

Quick Start

Install a demo of using Docker and Docker Compose

Download the docker-compose file from Github repository.

# in a new directory run
wget https://raw.githubusercontent.com/tokern/data-lineage/master/install-manifests/docker-compose/catalog-demo.yml
# or run
curl https://raw.githubusercontent.com/tokern/data-lineage/master/install-manifests/docker-compose/tokern-lineage-engine.yml -o docker-compose.yml

Run docker-compose

docker-compose up -d

Check that the containers are running.

docker ps
CONTAINER ID   IMAGE                                    CREATED        STATUS       PORTS                    NAMES
3f4e77845b81   tokern/data-lineage-viz:latest   ...   4 hours ago    Up 4 hours   0.0.0.0:8000->80/tcp     tokern-data-lineage-visualizer
1e1ce4efd792   tokern/data-lineage:latest       ...   5 days ago     Up 5 days                             tokern-data-lineage
38be15bedd39   tokern/demodb:latest             ...   2 weeks ago    Up 2 weeks                            tokern-demodb

Try out Tokern Lineage App

Head to http://localhost:8000/ to open the Tokern Lineage app

Install Tokern Lineage Engine

# in a new directory run
wget https://raw.githubusercontent.com/tokern/data-lineage/master/install-manifests/docker-compose/tokern-lineage-engine.yml
# or run
curl https://raw.githubusercontent.com/tokern/data-lineage/master/install-manifests/docker-compose/catalog-demo.yml -o tokern-lineage-engine.yml

Run docker-compose

docker-compose up -d

If you want to use an external Postgres database, change the following parameters in tokern-lineage-engine.yml:

• CATALOG_HOST
• CATALOG_USER
• CATALOG_PASSWORD
• CATALOG_DB

You can also override default values using environement variables.

CATALOG_HOST=... CATALOG_USER=... CATALOG_PASSWORD=... CATALOG_DB=... docker-compose -f ... up -d

For more advanced usage of environment variables with docker-compose, refer to docker-compose docs

Pro-tip

If you want to connect to a database in the host machine, set

CATALOG_HOST: host.docker.internal # For mac or windows
#OR
CATALOG_HOST: 172.17.0.1 # Linux

Supported Technologies

• Postgres
• AWS Redshift
• Snowflake

Coming Soon

• SparkSQL
• Presto

Documentation

For advanced usage, please refer to data-lineage documentation

Survey

Please take this survey if you are a user or considering using data-lineage. Responses will help us prioritize features better.