Issues after upgrade to terraform 0.12

别说谁变了你拦得住时间么 提交于 2020-05-17 06:35:03

问题


It's sad that terraform is not backward compatible.

 data "aws_security_group" "security_groupdev" {
        filter {
        name   = "group-name"
        values = ["SecurityGroupdev"]
      }
    }

    resource "aws_instance" "ec2_instance" {
      count                = "${var.ec2_instance_count}"
    ...
    }


    resource "aws_network_interface_sg_attachment" "sg_attachment" {
      security_group_id    = "${data.aws_security_group.security_groupdev.id}"
      network_interface_id = "${aws_instance.ec2_instance.primary_network_interface_id}"
    }

but after upgrading it to Terraform 0.12 I have started facing issues and I am not able to get the syntax for TF0.12.

Error: Missing resource instance key

  on ..\resources\ec2_instance\main.tf line 101, in resource "aws_network_interface_sg_attachment" "sg_attachment":
 101:   network_interface_id = "${aws_instance.ec2_instance.primary_network_interface_id}"

Because aws_instance.ec2_instance has "count" set, its attributes must be accessed on specific instances.

I tried "${aws_instance.ec2_instance[count.index].primary_network_interface_id}" but no luck.

来源:https://stackoverflow.com/questions/61727500/issues-after-upgrade-to-terraform-0-12

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