Overview

Alation Cloud Service Applies to Alation Cloud Service instances of Alation

Customer Managed Applies to customer-managed instances of Alation

This connector should be used to catalog Cloudera Atlas data sources in Alation. It provides functionality for metadata extraction, validation, and filtering, enabling seamless communication with the Atlas REST API. The connector is available as a Zip file that can be uploaded and installed in the Alation application.

To get the enhanced connector for Atlas contact the Forward Deployed Engineering team or ask your Alation Account Team.

Use the instructions given in this guide to install and manage the connector

Supported Atlas Versions

The following Atlas versions are supported by the connector:

Atlas Version	Connector Support
Atlas Server	version 2024.1.0.6 onwards

Team

The following administrators are required to install this connector:

• Atlas administrator:

  • Creates a service account for Alation

  • Provides the connection information, including the host URL of the Atlas server and authentication credentials (username and password)

  • Provides the SSL certificate (if applicable) and assists in configuring secure communication

• Alation Server administrator:

  • Ensures that Alation Connector Manager is installed and running or installs it

  • Installs the Atlas connector

  • Creates and configures the Atlas data source in the catalog

  • Performs initial extraction and prepares the data source for Alation users

Scope

The table below lists the features supported by the Atlas connector.

Feature	Scope	Availability
Authentication
Username & Password	Authentication with a service account created on Atlas using username and password	Yes
SSL	Authentication with the private-public key pair	Yes
Metadata Extraction
Default MDE	Extraction of metadata from Atlas based on default queries in the connector code	Yes
Extracted metadata objects
Schemas	List of schemas	Yes
Tables	List of tables	Yes
Columns	List of columns	Yes
Column data types	Column data types	Yes
Primary keys	Primary key information for extracted tables	No
Foreign keys	Foreign key information for extracted tables	No
Views	List of views	No
External tables	Extraction of external table metadata	N/A
Tags	Extraction of tags	No
Policies	Extraction of row access policies and data masking policies	No
Sampling and Profiling
Table sampling	Retrieval of data samples from extracted tables	No
Column sampling	Retrieval of data samples from extracted columns	No
Custom query-based column sampling	Ability to use custom queries for profiling specific columns	No
Deep column profiling	Profiling of columns with the calculation of value distribution stats	No
Dynamic profiling	Ability for individual users to connect with their own Atlas accounts to retrieve table and column samples and profiles	No
Lineage
Automatic lineage generation	Automatic lineage generation based on extracted metadata	No
Column-level lineage	Calculation of lineage data at the column level	No
Compose
Customer-managed (on-premise) Alation instances	Compose for on-premise Alation instances network configuration, you may need to use Alation Agent to connect to your data source	N/A
Alation Cloud Service instances	Compose on Alation Cloud Service instances: depending on your	N/A
SSO via OAuth	Authentication in Compose using the OAuth protocol	No

Object Mapping

Atlas Object	Alation Object
Schema	Schema
Table	Table
Column	Column