fix: Set Cosmos DB deployment location to the primary region

Author: Avijit-Microsoft

infra/main.bicep

@@ -112,11 +112,18 @@ param createdBy string = empty(deployer().userPrincipalName) ? '' : split(deploy
 resource resourceGroupTags 'Microsoft.Resources/tags@2021-04-01' = {
   name: 'default'
   properties: {
-    tags: {
-      ... tags
-      TemplateName: 'KM Generic'
-      CreatedBy: createdBy
-    }
+    tags: union(
+      reference(
+        resourceGroup().id, 
+        '2021-04-01', 
+        'Full'
+      ).tags ?? {},
+      {
+        TemplateName: 'KM Generic'
+        CreatedBy: createdBy
+      },
+      tags
+    )
   }
 }
 
@@ -187,7 +194,7 @@ module cosmosDBModule 'deploy_cosmos_db.bicep' = {
   name: 'deploy_cosmos_db'
   params: {
     accountName: 'cosmos-${solutionSuffix}'
-    solutionLocation: secondaryLocation
+    solutionLocation: solutionLocation
     keyVaultName: kvault.outputs.keyvaultName
     tags : tags
   }

infra/main.json

@@ -5,7 +5,7 @@
     "_generator": {
       "name": "bicep",
       "version": "0.37.4.10188",
-      "templateHash": "7263803858241829495"
+      "templateHash": "4854945365103887323"
     }
   },
   "parameters": {
@@ -166,6 +166,13 @@
       "metadata": {
         "description": "Optional. A unique text value for the solution. This is used to ensure resource names are unique for global resources. Defaults to a 5-character substring of the unique string generated from the subscription ID, resource group name, and solution name."
       }
+    },
+    "createdBy": {
+      "type": "string",
+      "defaultValue": "[if(empty(deployer().userPrincipalName), '', split(deployer().userPrincipalName, '@')[0])]",
+      "metadata": {
+        "description": "Optional created by user name"
+      }
     }
   },
   "variables": {
@@ -180,7 +187,7 @@
       "apiVersion": "2021-04-01",
       "name": "default",
       "properties": {
-        "tags": "[shallowMerge(createArray(parameters('tags'), createObject('TemplateName', 'KM Generic')))]"
+        "tags": "[union(coalesce(reference(resourceGroup().id, '2021-04-01', 'Full').tags, createObject()), createObject('TemplateName', 'KM Generic', 'CreatedBy', parameters('createdBy')), parameters('tags'))]"
       }
     },
     {
@@ -2258,7 +2265,7 @@
             "value": "[format('cosmos-{0}', variables('solutionSuffix'))]"
           },
           "solutionLocation": {
-            "value": "[parameters('secondaryLocation')]"
+            "value": "[variables('solutionLocation')]"
           },
           "keyVaultName": {
             "value": "[reference(extensionResourceId(format('/subscriptions/{0}/resourceGroups/{1}', subscription().subscriptionId, resourceGroup().name), 'Microsoft.Resources/deployments', 'deploy_keyvault'), '2022-09-01').outputs.keyvaultName.value]"