From be346ca5d4e12e45963ea2a420104e2787af4084 Mon Sep 17 00:00:00 2001
From: navba-MSFT <57353862+navba-MSFT@users.noreply.github.com>
Date: Tue, 4 Apr 2023 10:34:23 +0530
Subject: [PATCH] {AzurePostgresql} PostgreSQL flexibleServers doesn't support
 creation of 'SystemAssigned' resource identity

Fixes Azure/azure-rest-api-specs#23176

Per the [latest API](https://github.com/Azure/azure-rest-api-specs/edit/main/specification/postgresql/resource-manager/Microsoft.DBforPostgreSQL/stable/2022-12-01/FlexibleServers.json), the flexibleServers should support creation of 'SystemAssigned' , but it doesn't . See the below for details:

Request:
PUT /subscriptions/?/resourceGroups/acctestRG-postgresql-230320155838217513/providers/Microsoft.DBforPostgreSQL/flexibleServers/acctest-fs-230320155838217513?api-version=2022-12-01

```
{"identity":{"type":"SystemAssigned"},"location":"eastus","properties":{"administratorLogin":"adminTerraform","administratorLoginPassword":"QAZwsx123","availabilityZone":"2","backup":{"geoRedundantBackup":"Disabled"},"highAvailability":{"mode":"Disabled"},"network":{},"storage":{"storageSizeGB":32},"version":"12"},"sku":{"name":"Standard_D2s_v3","tier":"GeneralPurpose"},"tags":{}}
```

Response:
```
{"error":{"code":"CannotSetResourceIdentity","message":"Resource type 'Microsoft.DBforPostgreSQL/flexibleServers' does not support creation of 'SystemAssigned' resource identity. The supported types are 'UserAssigned'."}}
```
---
 .../stable/2022-12-01/FlexibleServers.json                       | 1 -
 1 file changed, 1 deletion(-)

diff --git a/specification/postgresql/resource-manager/Microsoft.DBforPostgreSQL/stable/2022-12-01/FlexibleServers.json b/specification/postgresql/resource-manager/Microsoft.DBforPostgreSQL/stable/2022-12-01/FlexibleServers.json
index eb61e90ce0da..f75406554950 100644
--- a/specification/postgresql/resource-manager/Microsoft.DBforPostgreSQL/stable/2022-12-01/FlexibleServers.json
+++ b/specification/postgresql/resource-manager/Microsoft.DBforPostgreSQL/stable/2022-12-01/FlexibleServers.json
@@ -818,7 +818,6 @@
           "description": "the types of identities associated with this resource; currently restricted to 'SystemAssigned and UserAssigned'",
           "enum": [
             "None",
-            "SystemAssigned",
             "UserAssigned"
           ],
           "x-ms-enum": {