[Bug]: "blue_green_update.enabled" cannot be set when "engine" is "postgres".

[dpedu]

Terraform Core Version

1.5

AWS Provider Version

5.24.0

Affected Resource(s)

• aws_db_instance

Expected Behavior

Terraform upgrades the db instance using a blue/green deployment

Actual Behavior

Terraform decides it cannot upgrade the db instance:

│ Error: 1 error occurred:
│ 	* "blue_green_update.enabled" cannot be set when "engine" is "postgres".

Relevant Error/Panic Output Snippet

│ Error: 1 error occurred:
│ 	* "blue_green_update.enabled" cannot be set when "engine" is "postgres".

Terraform Configuration Files

N/a

Steps to Reproduce

N/a

Debug Output

No response

Panic Output

No response

Important Factoids

Support for blue/green upgrades for postgres under RDS was introduced recently:

https://aws.amazon.com/blogs/database/new-fully-managed-blue-green-deployment-in-amazon-aurora-postgresql-and-amazon-rds-for-postgresql/

Why the provider previously needed this check instead of bouncing off the aws api is beyond me.

References

No response

Would you like to implement a fix?

None

[github-actions]

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[ewbankkit]

@dpedu Thanks for raising this issue 👏.
This has been addressed via #34216 which will be released with Terraform AWS Provider v5.25.0, likely tomorrow.

[github-actions]

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