hyper-v: Hyper-V: add support for EnhancedSessionTransportType. Addresses #9823

plugins/providers/hyperv/action/configure.rb

@@ -97,6 +97,11 @@ module VagrantPlugins
               env[:machine].provider_config.vm_integration_services)
           end
 
+          if !env[:machine].provider_config.enhanced_session_transport_type.empty?
+            env[:ui].detail("Setting VM Enhanced session transport type")
+            env[:machine].provider.driver.set_enhanced_session_transport_type(env[:machine].provider_config.enhanced_session_transport_type)
+          end
+
           @app.call(env)
         end
       end

plugins/providers/hyperv/config.rb

@@ -48,6 +48,8 @@ module VagrantPlugins
       attr_accessor :enable_virtualization_extensions
       # @return [Hash] Options for VMServiceIntegration
       attr_accessor :vm_integration_services
+      # @return [String] Set Enhanced session transport type
+      attr_accessor :enhanced_session_transport_type
 
       def initialize
         @ip_address_timeout = UNSET_VALUE
@@ -65,6 +67,7 @@ module VagrantPlugins
         @enable_automatic_checkpoints = UNSET_VALUE
         @enable_checkpoints = UNSET_VALUE
         @vm_integration_services = {}
+        @enhanced_session_transport_type = UNSET_VALUE
       end
 
       def finalize!
@@ -102,6 +105,8 @@ module VagrantPlugins
 
         # If automatic checkpoints are enabled, checkpoints will automatically be enabled
         @enable_checkpoints ||= @enable_automatic_checkpoints
+
+        @enhanced_session_transport_type = nil if @enhanced_session_transport_type == UNSET_VALUE
       end
 
       def validate(machine)

plugins/providers/hyperv/driver.rb

@@ -217,6 +217,14 @@ module VagrantPlugins
         execute(:set_name, VMID: vm_id, VMName: vmname)
       end
 
+      # Set enhanced session transport type of the VM
+      #
+      # @param [String] enhanced session transport type of the VM
+      # @return [nil]
+      def set_enhanced_session_transport_type(transport_type)
+        execute(:set_enhanced_session_transport_type, VmID: vm_id, type: transport_type)
+      end
+
       protected
 
       def execute_powershell(path, options, &block)

plugins/providers/hyperv/scripts/set_enhanced_session_transport_type.ps1

@@ -0,0 +1,24 @@
+#Requires -Modules VagrantMessages
+
+param (
+    [parameter (Mandatory=$true)]
+    [Guid] $VMID,
+    [parameter (Mandatory=$true)]
+    [string] $Type
+)
+
+$ErrorActionPreference = "Stop"
+
+try {
+    $VM = Hyper-V\Get-VM -Id $VMID
+} catch {
+    Write-ErrorMessage "Failed to locate VM: ${PSItem}"
+    exit 1
+}
+
+try {
+    Hyper-V\Set-VM -VM $VM -EnhancedSessionTransportType $Type
+} catch {
+    Write-ErrorMessage "Failed to assign EnhancedSessionTransportType to ${Type}: ${PSItem}"
+    exit 1
+}

test/unit/plugins/providers/hyperv/action/configure_test.rb

@@ -28,7 +28,8 @@ describe VagrantPlugins::HyperV::Action::Configure do
       enable_checkpoints: false,
       enable_automatic_checkpoints: true,
       enable_virtualization_extensions: false,
-      vm_integration_services: vm_integration_services
+      vm_integration_services: vm_integration_services,
+      enhanced_session_transport_type: "HvSocket"
     )
   }
   let(:vm_integration_services){ {} }

website/source/docs/hyperv/configuration.html.md

@@ -19,6 +19,7 @@ you may set. A complete reference is shown below:
 * `enable_virtualization_extensions` (boolean) - Enable virtualization extensions for the virtual CPUs. Default: false
 * `enable_checkpoints` (boolean) Enable checkpoints of the VM. Default: false
 * `enable_automatic_checkpoints` (boolean) Enable automatic checkpoints of the VM. Default: false
+* `enhanced_session_transport_type` (VMBus, HvSocket) - Enhanced session transport type for the VM. Default: Hyper-V Default (currently VMBus).
 * `ip_address_timeout` (integer) - Number of seconds to wait for the VM to report an IP address. Default: 120.
 * `linked_clone` (boolean) - Use differencing disk instead of cloning entire VHD. Default: false
 * `mac` (string) - MAC address for the guest network interface