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fix: Fixed service_region argument in the VPC endpoint module #1162

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Merged
merged 3 commits into from
Jan 28, 2025
Merged

fix: Fixed service_region argument in the VPC endpoint module #1162

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651b70c
Make it so we can pass service_region=null to the VPC endpoint module
mmeidlinger Jan 27, 2025
6c7cb27
Made expression a bit easier to read.
mmeidlinger Jan 28, 2025
d57be99
Further simplified service_region parsing
mmeidlinger Jan 28, 2025
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2 changes: 1 addition & 1 deletion modules/vpc-endpoints/main.tf
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@ data "aws_vpc_endpoint_service" "this" {

service = try(each.value.service, null)
service_name = try(each.value.service_name, null)
service_regions = try([each.value.service_region], null)
service_regions = try(each.value.service_region != null ? [each.value.service_region] : null, null)
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Suggested change
service_regions = try(each.value.service_region != null ? [each.value.service_region] : null, null)
service_regions = one([each.value.service_region])

Much simpler, but please test it. :)

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Thanks for the feedback. So I tested

service_regions = one([each.value.service_region])

this does not quite work. If the endpoints maps' service_region value is a valid string, it evaluates just to the string, but the data sources' service_regions expects a list of strings. Further, if service _region is not included in the endpoints map, it also fails.

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I think we could change it to this which is a bit easier to understand and read and I successfully tested for all 3 cases (service_region not included in the endpoints map, service_region=null or service_region="valid-region-string":

service_regions = try(each.value.service_region, null) != null ? [each.value.service_region] : null

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I think this is going to work as expected:

service_regions = try(coalescelist(compact([each.value.service_region])), null)

Let's use it if it does.

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It does indeed, thank you! Updated the PR accordingly.

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Thank you for fixing an issue!


filter {
name = "service-type"
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