How to crawl MySQL

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Once you have configured the MySQL user permissions, you can establish a connection between Atlan and MySQL. (If you are also using a private network for MySQL, you will need to set that up first, too.)

To crawl metadata from MySQL, complete the following steps.

Select the source

To select MySQL as your source:

  1. In the top right of any screen, navigate to New and then click New Workflow.
  2. From the list of packages, select MySQL Assets and click on Setup Workflow.

Provide credentials

To enter your MySQL credentials:

  1. For Host Name enter the host for your MySQL instance.
  2. For Port enter the port number of your MySQL instance.
  3. For Authentication choose the method you configured when setting up the MySQL user:
    • For Basic authentication, enter the Username and Password you configured in MySQL.
    • For IAM User authentication, enter the AWS Access KeyAWS Secret Key, and database Username you configured.
    • For IAM Role authentication, enter the database Username you configured.
  4. Click Test Authentication to confirm connectivity to MySQL using these details.
    πŸ’ͺ Did you know? If you see an Error: 1129: Host ... is blocked because of many connection errors; unblock with 'mysqladmin flush-hosts', ask your database admin to run the FLUSH HOSTS; command in the RDS instance, then try again.
  5. When successful, at the bottom of the screen click Next.

Configure the connection

To complete the MySQL connection configuration:

  1. Provide a Connection Name that represents your source environment. For example, you might use values like production, development, gold, or analytics.
  2. (Optional) To change the users able to manage this connection, change the users or groups listed under Connection Admins.
    🚨 Careful! If you do not specify any user or group, nobody will be able to manage the connection β€” not even admins.
  3. (Optional) To prevent users from querying any MySQL data, change Allow SQL Query to No.
  4. (Optional) To prevent users from previewing any MySQL data, change Allow Data Preview to No.
  5. At the bottom of the screen, click Next to proceed.

Configure the crawler

Before running the MySQL crawler, you can further configure it.

You can override he defaults for any of these options:

  • Select assets you want to include in crawling in the Include Metadata field. (This will default to all assets, if none are specified.)
  • Select assets you want to exclude from crawling in the Exclude Metadata field. (This will default to no assets, if none are specified.)
  • To have the crawler ignore temporary tables based on a naming convention, specify a regular expression in the Temporary table regex field.
πŸ’ͺ Did you know? If an asset appears in both the include and exclude filters, the exclude filter takes precedence.

Run the crawler

To run the MySQL crawler, after completing the steps above:

  • To run the crawler once, immediately, at the bottom of the screen click the Run button.
  • To schedule the crawler to run hourly, daily, weekly or monthly, at the bottom of the screen click the Schedule & Run button.

Once the crawler has completed running, you will see the assets in Atlan's asset page! πŸŽ‰

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