[BICEP] Add support for custom resource naming in FinOps Toolkit

src/templates/finops-hub/modules/hub-app.bicep

@@ -38,6 +38,15 @@ param features HubAppFeature[] = []
 @description('Optional. Custom string with additional metadata to log. Must an alphanumeric string without spaces or special characters except for underscores and dashes. Namespace + appName + telemetryString must be 50 characters or less - additional characters will be trimmed.')
 param telemetryString string = ''
 
+@description('Optional. Custom name for the Storage Account. If not provided, a name will be generated based on the hub name.')
+param storageAccountName string = ''
+
+@description('Optional. Custom name for the Data Factory. If not provided, a name will be generated based on the hub name.')
+param dataFactoryName string = ''
+
+@description('Optional. Custom name for the Key Vault. If not provided, a name will be generated based on the hub name.')
+param keyVaultName string = ''
+
 //------------------------------------------------------------------------------
 // Temporary parameters that should be removed in the future
 //------------------------------------------------------------------------------
@@ -51,7 +60,17 @@ param coreConfig HubCoreConfig
 // Variables
 //==============================================================================
 
-var appConfig = newAppConfig(coreConfig, publisher, namespace, appName, displayName, appVersion)
+var appConfig = newAppConfig(
+  coreConfig,
+  publisher,
+  namespace,
+  appName,
+  displayName,
+  appVersion,
+  storageAccountName,
+  dataFactoryName,
+  keyVaultName
+)
 
 // Features
 var usesDataFactory = contains(features, 'DataFactory')

src/templates/finops-hub/modules/hub-types.bicep

@@ -349,6 +349,9 @@ func newAppInternalConfig(
   appNamespace string,
   displayName string,
   version string,
+  customStorageName string,
+  customDataFactoryName string,
+  customKeyVaultName string
 ) HubAppConfig => {
   ...coreConfig
   publisher: {
@@ -359,13 +362,13 @@ func newAppInternalConfig(
     tags: union(coreConfig.hub.tags, publisherTags)
 
     // Globally unique Data Factory name: 3-63 chars; letters, numbers, non-repeating dashes
-    dataFactory: replace('${take('${replace(coreConfig.hub.name, '_', '-')}-engine', 63 - length(publisherSuffix))}${publisherSuffix}', '--', '-')
+    dataFactory: !empty(customDataFactoryName) ? customDataFactoryName : replace('${take('${replace(coreConfig.hub.name, '_', '-')}-engine', 63 - length(publisherSuffix))}${publisherSuffix}', '--', '-')
 
     // Globally unique KeyVault name: 3-24 chars; letters, numbers, dashes
-    keyVault: replace('${take('${replace(coreConfig.hub.name, '_', '-')}-vault', 24 - length(publisherSuffix))}${publisherSuffix}', '--', '-')
+    keyVault: !empty(customKeyVaultName) ? customKeyVaultName : replace('${take('${replace(coreConfig.hub.name, '_', '-')}-vault', 24 - length(publisherSuffix))}${publisherSuffix}', '--', '-')
 
     // Globally unique storage account name: 3-24 chars; lowercase letters/numbers only
-    storage: '${take(coreConfig.hub.safeName, 24 - length(publisherSuffix))}${publisherSuffix}'
+    storage: !empty(customStorageName) ? customStorageName : '${take(coreConfig.hub.safeName, 24 - length(publisherSuffix))}${publisherSuffix}'
   }
   app: {
     // id: '${hubResourceId}/publishers/${namespace}/apps/${appName}'
@@ -389,6 +392,9 @@ func newAppConfig(
   appName string,
   displayName string,
   version string,
+  customStorageName string = '',
+  customDataFactoryName string = '',
+  customKeyVaultName string = ''
 ) HubAppConfig => newAppInternalConfig(
   config,
   publisher,
@@ -398,7 +404,10 @@ func newAppConfig(
   appName,
   '${namespace}.${appName}',  // appNamespace
   displayName,
-  version
+  version,
+  customStorageName,
+  customDataFactoryName, 
+  customKeyVaultName
 )
 
 @export()

src/templates/finops-hub/modules/hub.bicep

@@ -17,6 +17,16 @@ param location string = resourceGroup().location
 // @description('Optional. Azure location to use for a temporary Event Grid namespace to register the Microsoft.EventGrid resource provider if the primary location is not supported. The namespace will be deleted and is not used for hub operation. Default: "" (same as location).')
 // param eventGridLocation string = ''
 
+@description('Optional. Custom name for the Storage Account. If not provided, a name will be generated based on the hub name.')
+param storageAccountName string = ''
+
+@description('Optional. Custom name for the Data Factory. If not provided, a name will be generated based on the hub name.')
+param dataFactoryName string = ''
+
+@description('Optional. Custom name for the Key Vault. If not provided, a name will be generated based on the hub name.')
+
+param keyVaultName string = ''
+
 @allowed([
   'Premium_LRS'
   'Premium_ZRS'
@@ -302,6 +312,9 @@ module appRegistration 'hub-app.bicep' = {
       'Storage'
     ]
     telemetryString: telemetryString
+    storageAccountName: storageAccountName
+    dataFactoryName: dataFactoryName
+    keyVaultName: keyVaultName
 
     coreConfig: coreConfig
   }