feat: add parsed account ID field of the CRN (#18)

Author: MatthewLemmond

examples/crn-parser/outputs.tf

@@ -36,3 +36,8 @@ output "parsed_crn_resource" {
   value       = module.crn_parser.resource
   description = "The parsed `resource` field of the Key Protect instance CRN"
 }
+
+output "parsed_crn_account_id" {
+  value       = module.crn_parser.account_id
+  description = "The parsed Account ID from the `scope` field of the Key Protect instance CRN"
+}

modules/crn-parser/README.md

@@ -42,6 +42,7 @@ No resources.
 
 | Name | Description |
 |------|-------------|
+| <a name="output_account_id"></a> [account\_id](#output\_account\_id) | Account ID parsed from the CRN `scope` field |
 | <a name="output_ctype"></a> [ctype](#output\_ctype) | CRN `ctype` field |
 | <a name="output_region"></a> [region](#output\_region) | CRN `region` field |
 | <a name="output_resource"></a> [resource](#output\_resource) | CRN `resource` field |

modules/crn-parser/main.tf

@@ -11,4 +11,5 @@ locals {
   service_instance = length(local.split_crn) > 7 ? local.split_crn[7] : null
   resource_type    = length(local.split_crn) > 8 ? local.split_crn[8] : null
   resource         = length(local.split_crn) > 9 ? local.split_crn[9] : null
+  account_id       = length(local.split_crn) > 6 ? (length(regexall("^a\\/.+$", local.split_crn[6])) > 0 ? split("/", local.split_crn[6])[1] : null) : null
 }

modules/crn-parser/outputs.tf

@@ -36,3 +36,8 @@ output "resource" {
   value       = local.resource == "" ? null : local.resource
   description = "CRN `resource` field"
 }
+
+output "account_id" {
+  value       = local.account_id == "" ? null : local.account_id
+  description = "Account ID parsed from the CRN `scope` field"
+}

tests/pr_test.go

@@ -23,7 +23,7 @@ func TestRunCRNParserExample(t *testing.T) {
 
 	options := setupOptions(t, crnParserExample)
 	options.TerraformVars = map[string]interface{}{
-		"crn": "crn:version:cname:ctype:service-name:location:scope:service-instance:resource-type:resource",
+		"crn": "crn:version:cname:ctype:service-name:location:a/scope:service-instance:resource-type:resource",
 	}
 
 	output, err := options.RunTestConsistency()