v1.6.1 - Conditionally ignore serverless connection string changes

[evertsd]

Description

Because of how the dependency chains works on serverless, serverless privatelink endpoints, and serverless privatelink endpoint services, serverless instance connection strings state cannot be determined on the initial terraform apply.

When these tests run, they do a terraform refresh and see unexpected pending changes to those connection strings.

Now the config can conditionally ignore changes to those connection strings, which we do in certain first applications of these resources to avoid these test failures.

Type of change:

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update
• Documentation fix/enhancement

Required Checklist:

• I have signed the MongoDB CLA
• I have read the contribution guidelines
• I have added tests that prove my fix is effective or that my feature works per HashiCorp requirements
• I have added any necessary documentation (if appropriate)
• I have run make fmt and formatted my code

Further comments

[Zuhairahmed]

Thanks @evertsd, just double checking do we need to include new optional timeout flags to Resource: privatelink_endpoint_service_adl and Resource: private_endpoint_regional_mode as well?

[Zuhairahmed]

thanks approving per Slack and moved add configurable timeouts to resources that wait for clusters to become IDLE to INTMDB-508.

[matt-condon]

LGTM!
Thanks for the detailed description 🏅