[Git Sync] - [Enhancement] - support samconfig or increase feature parity between "stack deployment file" and samconfig, and otherwise configuring Git sync via IaC

[rhbecker]

Name of the resource

Other

Resource name

CloudFormation Git sync

Description

The recent feature announced by @gotamp and @kohidave brings Git sync closer to something we might use in our org.

I realize this is a relatively young feature, and that you probably have many yet-to-be-realized plans for it. Hopefully the below is useful to hear, in terms of how the feature could be made more useful for at least one org.

samconfig support or feature parity

I'm particularly interested in how Git sync introduces the "stack deployment file" into the CFN ecosystem. We're presently using sam and its samconfig file to specify stack configuration.

It would be useful if Git sync either supported samconfig directly, or increased feature parity between the "stack deployment file" and samconfig. The docs for each sam cli command list supported flags - each specifiable in samconfig (dashes in flags replaced by underscores when specified via samconfig).

A particularly useful config supported via samconfig and seemingly not yet supported via "stack deployment file" is role_arn - described in the sam deploy documentation like so ...

The Amazon Resource Name (ARN) of an IAM role that AWS CloudFormation assumes when applying the changeset.

In addition to the many flags specifiable via samconfig, it's also handy that multiple stacks can be specified in a single samconfig file, and that stack_name can be included in the source controlled file.

managing Git sync config via IaC

Speaking of source controlled files, is there any current or planned method for configuring Git sync via file - for example, by introducing new CFN resource types? It seems a little odd that a feature of an IaC service can only be configured via console. The AWS::CloudFormation::* namespace seems like a good home for one or more GitSync* resource types.

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