[BUG] For_each cannot be determined until apply #117
Description
Describe the bug
Similar to #102 , a plan using 7.0.0 of the module results in a for_each invalid argument error. I am using the single account multi-region module.
Terraform version: What Terraform version do you use?
1.7.5
Module version: What module version do you use?
7.0.0
Error message:
│ Error: Invalid for_each argument
│
│ on .terraform/modules/single_account_multi_region/data.tf line 61, in data "aws_route_tables" "this_associated_route_tables":
│ 61: for_each = { for subnet in data.aws_subnets.this.ids : subnet => subnet }
│ ├────────────────
│ │ data.aws_subnets.this.ids is a list of string, known only after apply
│
│ The "for_each" value depends on resource attributes that cannot be
│ determined until apply, so Terraform cannot predict how many instances will
│ be created. To work around this, use the -target argument to first apply
│ only the resources that the for_each depends on.
╵
╷
│ Error: Invalid for_each argument
│
│ on .terraform/modules/single_account_multi_region/data.tf line 94, in data "aws_route_tables" "peer_associated_route_tables":
│ 94: for_each = { for subnet in data.aws_subnets.peer.ids : subnet => subnet }
│ ├────────────────
│ │ data.aws_subnets.peer.ids is a list of string, known only after apply
│
│ The "for_each" value depends on resource attributes that cannot be
│ determined until apply, so Terraform cannot predict how many instances will
│ be created. To work around this, use the -target argument to first apply
│ only the resources that the for_each depends on.
Terraform code that produces the error:
module "single_account_multi_region" {
source = "grem11n/vpc-peering/aws"
version = "7.0.0"
depends_on = [module.vpc]
providers = {
aws.this = aws
aws.peer = aws.us-east-2
}
this_vpc_id = module.vpc.vpc_id
peer_vpc_id = data.aws_vpcs.main_us_east_2.ids[0]
auto_accept_peering = true
this_rts_ids = module.vpc.private_route_table_ids
peer_rts_ids = data.aws_route_tables.private_rts.ids
Additional context
Workaround is to downgrade to 6.0.0