test(host): update e2e testing to support shared test enviro creds (#69)

testing/testdata/host/variable.tf

@@ -0,0 +1,49 @@
+# Copyright IBM Corp. 2021, 2026
+# SPDX-License-Identifier: MPL-2.0
+
+data "aws_caller_identity" "current" {}
+
+variable "iam_user_count" {
+  default = 6
+}
+
+# We are using a shared account for testing so make sure the stale ec2
+# machine tags don't match for this test run
+resource "random_id" "foo_key" {
+  prefix      = "foo"
+  byte_length = 4
+}
+
+resource "random_id" "bar_key" {
+  prefix      = "bar"
+  byte_length = 4
+}
+
+resource "random_id" "baz_key" {
+  prefix      = "baz"
+  byte_length = 4
+}
+
+locals {
+  hashicorp_email = split(":", data.aws_caller_identity.current.user_id)[1]
+  
+  instance_tags = [
+    {
+      "${random_id.foo_key.dec}" = "true"
+    },
+    {
+      "${random_id.foo_key.dec}" = "true"
+      "${random_id.bar_key.dec}" = "true"
+    },
+    {
+      "${random_id.bar_key.dec}" = "true"
+    },
+    {
+      "${random_id.bar_key.dec}" = "true"
+      "${random_id.baz_key.dec}" = "true"
+    },
+    {
+      "${random_id.baz_key.dec}" = "true"
+    },
+  ]
+}