Add HA replica param

Author: bradrich-msft

src/Sql/Sql.Test/ScenarioTests/DatabaseReplicationTests.ps1

@@ -196,10 +196,12 @@ function Test-CreateNamedSecondaryDatabase()
 
 		# Create Named Replica
 		$namedReplica = New-AzSqlDatabaseSecondary -ResourceGroupName $rg.ResourceGroupName -ServerName $server.ServerName -DatabaseName $hsDatabase.DatabaseName `
-		 -PartnerResourceGroupName $rg.ResourceGroupName -PartnerServerName $server.ServerName -PartnerDatabaseName "secondary" -SecondaryType "Named"
+		 -PartnerResourceGroupName $rg.ResourceGroupName -PartnerServerName $server.ServerName -PartnerDatabaseName "secondary" -SecondaryType "Named" `
+		 -HighAvailabilityReplicaCount 2
 
 		$newDb = Get-AzSqlDatabase -ResourceGroupName $rg.ResourceGroupName -ServerName $server.ServerName -DatabaseName "secondary"
 		Assert-AreEqual "Named" $newDb.SecondaryType
+		Assert-AreEqual 2 $newDb.HighAvailabilityReplicaCount
 	}
 	finally
 	{

src/Sql/Sql.Test/SessionRecords/Microsoft.Azure.Commands.Sql.Test.ScenarioTests.DatabaseReplicationTests/TestCreateNamedSecondaryDatabase.json

@@ -25,6 +25,7 @@
     - Update Backup Storage Redundancy values for LTR backups
 * Added CurrentBackupStorageRedundancy, RequestedBackupStorageRedundancy to `Get-AzSqlDatabase`, `New-AzSqlDatabase`, `Set-AzSqlDatabase`, `New-AzSqlDatabaseSecondary`, `Set-AzSqlDatabaseSecondary`, `New-AzSqlDatabaseCopy`
     - Changed BackupStorageRedundancy value to CurrentBackupStorageRedundancy, RequestedBackupStorageRedundancy to reflect both the current value and what has been requested if a change was made
+* Added HighAvailabilityReplicaCount to `New-AzSqlDatabaseSecondary`
 
 ## Version 2.17.1
 * Added cmdlet output breaking change warnings to the following: 

src/Sql/Sql/ChangeLog.md

@@ -24,6 +24,7 @@
 using System.Management.Automation;
 using System.Globalization;
 using Microsoft.WindowsAzure.Commands.Common.CustomAttributes;
+using Microsoft.WindowsAzure.Commands.Utilities.Common;
 using System;
 
 namespace Microsoft.Azure.Commands.Sql.Replication.Cmdlet
@@ -163,6 +164,13 @@ public class NewAzureSqlDatabaseSecondary : AzureSqlDatabaseSecondaryCmdletBase
         [ValidateSet("Named", "Geo")]
         public string SecondaryType { get; set; }
 
+        /// <summary>
+        /// Gets or sets the number of high availability readonly replicas for the Azure Sql database
+        /// </summary>
+        [Parameter(Mandatory = false,
+            HelpMessage = "The number of readonly secondary replicas associated with the database to which readonly application intent connections may be routed. This property is only settable for Hyperscale edition databases.")]
+        public int HighAvailabilityReplicaCount { get; set; }
+
         protected static readonly string[] ListOfRegionsToShowWarningMessageForGeoBackupStorage = { "eastasia", "southeastasia", "brazilsouth", "east asia", "southeast asia", "brazil south" };
 
         /// <summary>
@@ -242,6 +250,7 @@ protected override IEnumerable<AzureReplicationLinkModel> ApplyUserInputToModel(
                 LicenseType = LicenseType,
                 RequestedBackupStorageRedundancy = this.BackupStorageRedundancy,
                 SecondaryType = SecondaryType,
+                HighAvailabilityReplicaCount = this.IsParameterBound(p => p.HighAvailabilityReplicaCount) ? HighAvailabilityReplicaCount : (int?)null,
             };
 
             if(ParameterSetName == DtuDatabaseParameterSet)

src/Sql/Sql/Replication/Cmdlet/NewAzureSqlDatabaseSecondary.cs

@@ -123,8 +123,13 @@ public class AzureReplicationLinkModel : AzureSqlDatabaseReplicationModelBase
         public string RequestedBackupStorageRedundancy { get; set; }
 
         /// <summary>
-        /// Gets or sets the secondary type for the database if it is a secondary.
+        /// Gets or sets the secondary type for the database if it is a secondary
         /// </summary>
         public string SecondaryType { get; set; }
+
+        /// <summary>
+        /// Gets or sets the number of high availability replicas for the database
+        /// </summary>
+        public int? HighAvailabilityReplicaCount { get; set; }
     }
 }

src/Sql/Sql/Replication/Model/AzureReplicationLinkModel.cs

@@ -275,6 +275,7 @@ internal AzureReplicationLinkModel CreateLinkWithNewSdk(string resourceGroupName
                 LicenseType = model.LicenseType,
                 RequestedBackupStorageRedundancy = model.RequestedBackupStorageRedundancy,
                 SecondaryType = model.SecondaryType,
+                HighAvailabilityReplicaCount = model.HighAvailabilityReplicaCount,
             });
 
             return GetLink(model.ResourceGroupName, model.ServerName, model.DatabaseName, model.PartnerResourceGroupName, model.PartnerServerName);

src/Sql/Sql/Replication/Services/AzureSqlDatabaseReplicationAdapter.cs

@@ -18,19 +18,19 @@ Creates a secondary database for an existing database and starts data replicatio
 New-AzSqlDatabaseSecondary [-DatabaseName] <String> [-SecondaryServiceObjectiveName <String>]
  [-SecondaryElasticPoolName <String>] [-Tags <Hashtable>] -PartnerResourceGroupName <String>
  -PartnerServerName <String> [-PartnerDatabaseName <String>] [-AllowConnections <AllowConnections>] [-AsJob]
- [-LicenseType <String>] [-BackupStorageRedundancy <String>] [-SecondaryType <String>] [-ServerName] <String>
- [-ResourceGroupName] <String> [-DefaultProfile <IAzureContextContainer>] [-WhatIf] [-Confirm]
- [<CommonParameters>]
+ [-LicenseType <String>] [-BackupStorageRedundancy <String>] [-SecondaryType <String>]
+ [-HighAvailabilityReplicaCount <Int32>] [-ServerName] <String> [-ResourceGroupName] <String>
+ [-DefaultProfile <IAzureContextContainer>] [-WhatIf] [-Confirm] [<CommonParameters>]
 ```
 
 ### VcoreBasedDatabase
 ```
 New-AzSqlDatabaseSecondary [-DatabaseName] <String> [-Tags <Hashtable>] -PartnerResourceGroupName <String>
  -PartnerServerName <String> [-PartnerDatabaseName <String>] [-AllowConnections <AllowConnections>] [-AsJob]
  -SecondaryComputeGeneration <String> -SecondaryVCore <Int32> [-LicenseType <String>]
- [-BackupStorageRedundancy <String>] [-SecondaryType <String>] [-ServerName] <String>
- [-ResourceGroupName] <String> [-DefaultProfile <IAzureContextContainer>] [-WhatIf] [-Confirm]
- [<CommonParameters>]
+ [-BackupStorageRedundancy <String>] [-SecondaryType <String>] [-HighAvailabilityReplicaCount <Int32>]
+ [-ServerName] <String> [-ResourceGroupName] <String> [-DefaultProfile <IAzureContextContainer>] [-WhatIf]
+ [-Confirm] [<CommonParameters>]
 ```
 
 ## DESCRIPTION
@@ -134,6 +134,21 @@ Accept pipeline input: False
 Accept wildcard characters: False
 ```
 
+### -HighAvailabilityReplicaCount
+The number of readonly secondary replicas associated with the database to which readonly application intent connections may be routed. This property is only settable for Hyperscale edition databases.
+
+```yaml
+Type: System.Int32
+Parameter Sets: (All)
+Aliases:
+
+Required: False
+Position: Named
+Default value: None
+Accept pipeline input: False
+Accept wildcard characters: False
+```
+
 ### -LicenseType
 The license type for the Azure Sql database.