fix(terraform): CKV_GCP_6 - Added special handling for MSSQL SERVER database type

[jbrule]

CKV_GCP_6 - Added special handling for MSSQL SERVER database type that does not support TRUSTED_CLIENT_CERTIFICATE_REQUIRED

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

Description

*The ssl_mode setting TRUSTED_CLIENT_CERTIFICATE_REQUIRED cannot be used when database_version is SQLSERVER (Microsoft SQL Server). See Google's documentation *

New/Edited policies (Delete if not relevant)

• CKV_GCP_6

Description

*The ssl_mode setting TRUSTED_CLIENT_CERTIFICATE_REQUIRED cannot be used when database_version is SQLSERVER (Microsoft SQL Server). See Google's documentation *

Fix

This allows the following only when database_version is Microsoft SQLSERVER type.

...
  database_version="SQLSERVER_*"
  ip_configuration {
    ssl_mode = "ENCRYPTED_ONLY"
  }
...

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation -> Update bc-gcp-general-1.adoc hlxsites/prisma-cloud-docs#1305
• I have added tests that prove my feature, policy, or fix is effective and works
• New and existing tests pass locally with my changes

[bo156]

Thanks for the contribution @jbrule !
Can you please fix the failing tests so we can merge this?

[jbrule]

Thanks for the contribution @jbrule ! Can you please fix the failing tests so we can merge this?

Done. Fixed lint findings 2af3acf