Merge pull request #457 from microsoft/exp-changes

fix: To reuse Log Analytics across subscriptions

Author: Prajwal-Microsoft

infra/deploy_ai_foundry.bicep

@@ -31,6 +31,7 @@ var aiSearchName = '${abbrs.ai.aiSearch}${solutionName}'
 var workspaceName = '${abbrs.managementGovernance.logAnalyticsWorkspace}${solutionName}'
 
 var useExisting = !empty(existingLogAnalyticsWorkspaceId)
+var existingLawSubscription = useExisting ? split(existingLogAnalyticsWorkspaceId, '/')[2] : ''
 var existingLawResourceGroup = useExisting ? split(existingLogAnalyticsWorkspaceId, '/')[4] : ''
 var existingLawName = useExisting ? split(existingLogAnalyticsWorkspaceId, '/')[8] : ''
 
@@ -65,7 +66,7 @@ resource keyVault 'Microsoft.KeyVault/vaults@2022-07-01' existing = {
 
 resource existingLogAnalyticsWorkspace 'Microsoft.OperationalInsights/workspaces@2020-08-01' existing = if (useExisting) {
   name: existingLawName
-  scope: resourceGroup(existingLawResourceGroup)
+  scope: resourceGroup(existingLawSubscription, existingLawResourceGroup)
 }
 
 resource logAnalytics 'Microsoft.OperationalInsights/workspaces@2023-09-01' = if (!useExisting) {