Fixed Set-AzPolicySetDefinition InternalServerError when the initiative is too large [#20238] (#20252)

Co-authored-by: Xuejun Li <[email protected]>

Author: rachelxj-ms

src/Resources/ResourceManager/RestClients/ResourceManagerRestClientBase.cs

@@ -18,6 +18,7 @@ namespace Microsoft.Azure.Commands.ResourceManager.Cmdlets.RestClients
     using System.Linq;
     using System.Net.Http;
     using System.Text;
+    using System.Text.RegularExpressions;
     using System.Threading;
     using System.Threading.Tasks;
     using Microsoft.Azure.Commands.ResourceManager.Cmdlets.Components;
@@ -163,6 +164,8 @@ protected async Task<HttpResponseMessage> SendRequestAsync(
             CancellationToken cancellationToken)
         {
             var contentString = content == null ? string.Empty : content.ToString();
+            // minify JOSN payload to avoid payload too large error
+            contentString = Regex.Replace(contentString, @"\r\n?|\n|\t| ", String.Empty);
             using (var httpContent = new StringContent(content: contentString, encoding: Encoding.UTF8, mediaType: "application/json"))
             using (var request = new HttpRequestMessage(method: httpMethod, requestUri: requestUri) { Content = httpContent })
             {

src/Resources/Resources/ChangeLog.md

@@ -20,6 +20,7 @@
 
 ## Upcoming Release
 * Added cmdlet `Get-AzADOrganization`
+* Fixed `Set-AzPolicySetDefinition` InternalServerError when the initiative is too large [#20238]
 
 ## Version 6.4.1
 * Upgraded AutoMapper to Microsoft.Azure.PowerShell.AutoMapper 6.2.2 with fix [#18721]