CCM-8197: Cross Account Observability

Author: jamesthompson26-nhs

infrastructure/modules/observability-datasource/README.md

@@ -22,6 +22,7 @@
 | <a name="input_observability_account_id"></a> [observability\_account\_id](#input\_observability\_account\_id) | The Observability Account ID that needs access | `string` | n/a | yes |
 | <a name="input_project"></a> [project](#input\_project) | The name of the terraformscaffold project calling the module | `string` | n/a | yes |
 | <a name="input_region"></a> [region](#input\_region) | The AWS Region | `string` | n/a | yes |
+| <a name="input_resource_types"></a> [resource\_types](#input\_resource\_types) | The resource types to include in the OAM link. | `list(string)` | <pre>[<br/>  "AWS::CloudWatch::Metric",<br/>  "AWS::Logs::LogGroup"<br/>]</pre> | no |
 ## Modules
 
 No modules.

infrastructure/modules/observability-datasource/oam_link_cross_account_obs.tf

@@ -1,9 +1,6 @@
 resource "aws_oam_link" "cross_account_obs" {
   label_template  = "$AccountName"
-  resource_types  = [
-    "AWS::CloudWatch::Metric",
-    "AWS::Logs::LogGroup"
-  ]
+  resource_types  = var.resource_types
   sink_identifier = "arn:aws:oam:${var.region}:${var.observability_account_id}:sink/${var.oam_sink_id}"
   tags            = var.default_tags
 

infrastructure/modules/observability-datasource/variables.tf

@@ -71,3 +71,12 @@ variable "metric_configuration" {
   })
   default = null
 }
+
+variable "resource_types" {
+  type = list(string)
+  description = "The resource types to include in the OAM link."
+  default = [
+    "AWS::CloudWatch::Metric",
+    "AWS::Logs::LogGroup"
+  ]
+}