terraform-aws-rds-aurora

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Is your request related to a new offering from AWS?

Is this functionality available in the AWS provider for Terraform? See CHANGELOG.md, too.

Is your request related to a problem? Please describe.

Currently I have Aurora V2 defined like this for all environments: instance_class = "db.serverless" instances = { one = { availability_zone = "eu-west-2a", writer = true } two = { availability_zone = "eu-west-2b" } }

Just on my test environment I would like this instead: instance_class = "db.serverless" instances = { one = { availability_zone = "eu-west-2a", writer = true } }

Describe the solution you'd like.

A solution that will allow me to conditionally define the number of instances per environment.

Describe alternatives you've considered.

I have tried to make use of: var.is_dev == "true" ? json : json count = 0

However I could not get either of these terraform conditionals to work.

Additional context

I would like to save money on my Test environment

1. Don't use workspaces for environment isolation
2. Use locals and you can probably achieve your desired outcome

I recently ran into this issue as well. On a previous version of this module, I used to set a conditional on replica_count:

replica_count = var.enable_high_availability ? var.number_of_replicas : 0

Which is now deprecated in the latest version of the module it appears.

Suggestion: add an example of a similar configuration to the instances = {} config map?

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