Current Terraform Version

Terraform v0.12.0-alpha4 (2c36829d3265661d8edbd5014de8090ea7e2a076)+ provider.random v2.0.0-5-g612dff2-dev

Use-cases

I'd like to be able to useresource_type.*.id to get a list of theid of every resource of a type; currently, you can only do this for resources that have acount attribute (or eventuallyfor_each, I guess). Sometimes, you have a bunch of resources you want to declare explicitly because they don't necessarily have very much in common, but you still want to refer to them all from another resource.

My explicit use-case is the third-partyauth0 provider. I've got a bunch ofauth0_client resources that all have their own custom configuration. Then, I've got anauth0_connection resource which represents our actual identity provider (an LDAP server). In creating theauth0_connection resource, I need to pass a list ofauth0_client ids that that connection will be used for. And I'dlove to get that list of ids by simply writingauth0_client.*.client_id. But that's not possible.

Attempted Solutions

This didn't work:

resource "random_id" "foo" {         byte_length = 1                  }                                                                     resource "random_id" "bar" {         byte_length = 1                  }                                                                     output "example" {                   value = "${random_id.*.hex}"     }

I got this error:

$terraform validateError: Invalid reference  on test.tf line 12, in output "example":  12:   value = "${random_id.*.hex}"A reference to a resource type must be followed by at least one attributeaccess, specifying the resource name.

A similar attempt withrandom_id[*].hex also failed.