add us gov endpoint for operational insights querying

Author: alexeldeib

src/Common/Commands.Common.Authentication.Abstractions/AzureEnvironment.cs

@@ -99,6 +99,8 @@ static IDictionary<string, AzureEnvironment> InitializeBuiltInEnvironments()
                 BatchEndpointResourceId = AzureEnvironmentConstants.USGovernmentBatchEndpointResourceId,
                 AdTenant = "Common"
             };
+            azureUSGovernment.SetProperty(ExtendedEndpoint.OperationalInsightsEndpoint, AzureEnvironmentConstants.USGovernmentOperationalInsightsEndpoint);
+            azureUSGovernment.SetProperty(ExtendedEndpoint.OperationalInsightsEndpointResourceId, AzureEnvironmentConstants.USGovernmentOperationalInsightsEndpointResourceId);
             var azureGermany = new AzureEnvironment
             {
                 Name = EnvironmentName.AzureGermanCloud,

src/Common/Commands.Common.Authentication.Abstractions/AzureEnvironmentConstants.cs

@@ -119,11 +119,13 @@ public static class AzureEnvironmentConstants
         /// The token audience for Log Analytics Queries
         /// </summary>
         public const string AzureOperationalInsightsEndpointResourceId = "https://api.loganalytics.io";
+        public const string USGovernmentOperationalInsightsEndpointResourceId = "https://api.loganalytics.us";
 
         /// <summary>
         /// The endpoint URI for Log Analytics Queries
         /// </summary>
         public const string AzureOperationalInsightsEndpoint = "https://api.loganalytics.io/v1";
+        public const string USGovernmentOperationalInsightsEndpoint = "https://api.loganalytics.us/v1";
 
         /// <summary>
         /// The domain name suffix for Azure DataLake services