MySQL IAM

[sethsamuel]

What does this PR do? What is the motivation?

Adds documentation on MySQL IAM authentication for DataDog/integrations-core#20176

Merge instructions

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• Ready for merge

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Additional notes

[github-actions]

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[github-actions]

Preview links (active after the build_preview check completes)

Modified Files

• https://docs-staging.datadoghq.com/seth.samuel/mysql-iam/database_monitoring/guide/managed_authentication

[buraizu]

Created DOCS-11277 to follow up

[buraizu]

Looks good overall, but adding the new links at positions [8] and [9] in the list of reference links causes all subsequent links in the list (as well as the original [8] and [9], on lines 9 and 28, respectively) to lead to unexpected locations.

As such, I've left a suggestion to revert these link changes, and add the two new links to the end of the list. Let me know if you have any questions or feedback.

[buraizu]

Suggested change

	4. Complete the Agent setup steps for your RDS ([Postgres][6], [MySQL][8]) or Aurora ([Postgres][7], [MySQL][9]) instance.
	4. Complete the Agent setup steps for your RDS ([Postgres][6], [MySQL][21]) or Aurora ([Postgres][7], [MySQL][22]) instance.

[buraizu]

Suggested change

	[8]: /database_monitoring/setup_mysql/rds/#grant-the-agent-access
	[9]: /database_monitoring/setup_mysql/aurora/#grant-the-agent-access
	[10]: /database_monitoring
	[11]: https://learn.microsoft.com/en-us/azure/active-directory/managed-identities-azure-resources/overview
	[12]: https://learn.microsoft.com/en-us/azure/active-directory/managed-identities-azure-resources/overview#managed-identity-types
	[13]: https://learn.microsoft.com/en-us/azure/active-directory/managed-identities-azure-resources/how-manage-user-assigned-managed-identities?pivots=identity-mi-methods-azp#create-a-user-assigned-managed-identity
	[14]: https://learn.microsoft.com/en-us/azure/postgresql/single-server/how-to-configure-sign-in-azure-ad-authentication
	[15]: https://learn.microsoft.com/en-us/azure/postgresql/flexible-server/how-to-configure-sign-in-azure-ad-authentication#authenticate-with-azure-ad
	[16]: /database_monitoring/setup_postgres/azure/#grant-the-agent-access
	[17]: https://learn.microsoft.com/en-us/azure/active-directory/fundamentals/whatis
	[18]: https://learn.microsoft.com/en-us/azure/azure-sql/database/authentication-aad-configure?view=azuresql&tabs=azure-powershell#provision-azure-ad-admin-sql-managed-instance
	[19]: /database_monitoring/setup_sql_server/azure/?tab=azuresqlmanagedinstance
	[20]: https://learn.microsoft.com/en-us/sql/connect/odbc/download-odbc-driver-for-sql-server?view=sql-server-ver16
	[21]: /database_monitoring/setup_sql_server/azure/?tab=azuresqldatabase
	[22]: https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/UsingWithRDS.IAMDBAuth.DBAccounts.html
	[8]: /database_monitoring
	[9]: https://learn.microsoft.com/azure/active-directory/managed-identities-azure-resources/overview
	[10]: https://learn.microsoft.com/azure/active-directory/managed-identities-azure-resources/overview#managed-identity-types
	[11]: https://learn.microsoft.com/azure/active-directory/managed-identities-azure-resources/how-manage-user-assigned-managed-identities?pivots=identity-mi-methods-azp#create-a-user-assigned-managed-identity
	[12]: https://learn.microsoft.com/azure/postgresql/single-server/how-to-configure-sign-in-azure-ad-authentication
	[13]: https://learn.microsoft.com/azure/postgresql/flexible-server/how-to-configure-sign-in-azure-ad-authentication#authenticate-with-azure-ad
	[14]: /database_monitoring/setup_postgres/azure/#grant-the-agent-access
	[15]: https://learn.microsoft.com/azure/active-directory/fundamentals/whatis
	[16]: https://learn.microsoft.com/azure/azure-sql/database/authentication-aad-configure?view=azuresql&tabs=azure-powershell#provision-azure-ad-admin-sql-managed-instance
	[17]: /database_monitoring/setup_sql_server/azure/?tab=azuresqlmanagedinstance
	[18]: https://learn.microsoft.com/sql/connect/odbc/download-odbc-driver-for-sql-server?view=sql-server-ver16
	[19]: /database_monitoring/setup_sql_server/azure/?tab=azuresqldatabase
	[20]: https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/UsingWithRDS.IAMDBAuth.DBAccounts.html#UsingWithRDS.IAMDBAuth.DBAccounts.PostgreSQL
	[21]: /database_monitoring/setup_mysql/rds/#grant-the-agent-access
	[22]: /database_monitoring/setup_mysql/aurora/#grant-the-agent-access