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Glue assets package

The Glue assets package crawls AWS glue assets and publishes them to Atlan for discovery.

Will create a new connection

This should only be used to create the workflow the first time. Each time you run this method it will create a new connection and new assets within that connection — which could lead to duplicate assets if you run the workflow this way multiple times with the same settings.

Instead, when you want to re-crawl assets, re-run the existing workflow (see Re-run existing workflow below).

To crawl assets from AWS glue using the IAM user authentication:

Glue assets crawling using IAM user auth
Workflow crawler = GlueCrawler.creator( // (1)
client, // (2)
"production", // (3)
List.of(client.getRoleCache().getIdForName("$admin")), // (4)
null,
null,
false, // (5)
false, // (6)
0L // (7)
)
.iamUserAuth( // (8)
"your-access-key",
"your-secret-key"
)
.direct("ap-south-1") // (9)
.include( // (10)
List.of("dev-project")
)
.exclude(List.of()) // (11)
.build() // (12)
.toWorkflow(); // (13)
WorkflowResponse response = crawler.run(client); // (14)
  1. The GlueCrawler package will create a workflow to crawl assets from AWS Glue.

  2. You must provide Atlan client.

  3. You must provide a name for the connection that the AWS Glue assets will exist within.

  4. You must specify at least one connection admin, either:

    • everyone in a role (in this example, all $admin users).
    • a list of groups (names) that will be connection admins.
    • a list of users (names) that will be connection admins.
  5. You can specify whether you want to allow queries to this connection (true) or deny all query access to the connection (false).

  6. You can specify whether you want to allow data previews on this connection (true) or deny all sample data previews to the connection (false).

  7. You can specify a maximum number of rows that can be accessed for any asset in the connection.

  8. When using iamUserAuth(), you need to provide the following information:

    • access key for accessing AWS Glue.
    • secret key for accessing AWS Glue.
  9. You must provide AWS region where Glue is set up.

  10. You can also optionally specify the list of schema names to include in crawling. (If set to null, all schemas will be crawled.)

  11. You can also optionally specify the list of schema names to exclude from crawling. (If set to null, no schemas will be excluded.)

  12. Build the minimal package object.

  13. Now, you can convert the package into a Workflow object.

  14. You can then run the workflow using the run() method on the object you've created. Because this operation will execute work in Atlan, you must provide it an AtlanClient through which to connect to the tenant.

    Workflows run asynchronously

Remember that workflows run asynchronously. See the packages and workflows introduction for details on how you can check the status and wait until the workflow has been completed. :::

Re-run existing workflow

To re-run an existing workflow for Glue assets:

Re-run existing Glue workflow
List<WorkflowSearchResult> existing = WorkflowSearchRequest // (1)
.findByType(client, GlueCrawler.PREFIX, 5); // (2)
// Determine which of the results is the Glue workflow you want to re-run...
WorkflowRunResponse response = existing.get(n).rerun(client); // (3)
  1. You can search for existing workflows through the WorkflowSearchRequest class.

  2. You can find workflows by their type using the findByType() helper method and providing the prefix for one of the packages. In this example, we do so for the GlueCrawler. (You can also specify the maximum number of resulting workflows you want to retrieve as results.)

  3. Once you've found the workflow you want to re-run, you can simply call the rerun() helper method on the workflow search result. The WorkflowRunResponse is just a subtype of WorkflowResponse so has the same helper method to monitor progress of the workflow run. Because this operation will execute work in Atlan, you must provide it an AtlanClient through which to connect to the tenant.

    • Optionally, you can use the rerun(client, true) method with idempotency to avoid re-running a workflow that is already in running or in a pending state. This will return details of the already running workflow if found, and by default, it is set to false
    Workflows run asynchronously

Remember that workflows run asynchronously. See the packages and workflows introduction for details on how you can check the status and wait until the workflow has been completed. :::

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