Added config option to specify VLanId for Network Adapter when using HyperV provider

plugins/providers/hyperv/action.rb

@@ -116,6 +116,7 @@ module VagrantPlugins
               end
 
               b2.use Provision
+              b2.use NetSetVLan
               b2.use StartInstance
               b2.use WaitForIPAddress
               b2.use WaitForCommunicator, [:running]
@@ -216,6 +217,7 @@ module VagrantPlugins
       autoload :StopInstance, action_root.join('stop_instance')
       autoload :SuspendVM, action_root.join("suspend_vm")
       autoload :WaitForIPAddress, action_root.join("wait_for_ip_address")
+      autoload :NetSetVLan, action_root.join("net_set_vlan")
       autoload :MessageWillNotDestroy, action_root.join("message_will_not_destroy")
     end
   end

plugins/providers/hyperv/action/net_set_vlan.rb

@@ -0,0 +1,19 @@
+module VagrantPlugins
+  module HyperV
+    module Action
+      class NetSetVLan
+        def initialize(app, env)
+          @app = app
+        end
+
+        def call(env)
+          vlan_id = env[:machine].provider_config.vlan_id
+
+          env[:ui].info("[Settings] [Network Adapter] Setting Vlan ID to: #{vlan_id}")
+          env[:machine].provider.driver.net_set_vlan(vlan_id)
+          @app.call(env)
+        end
+      end
+    end
+  end
+end

plugins/providers/hyperv/config.rb

@@ -9,14 +9,24 @@ module VagrantPlugins
       # @return [Integer]
       attr_accessor :ip_address_timeout
 
+      # The default VLAN ID for network interface for the virtual machine.
+      #
+      # @return [Integer]
+      attr_accessor :vlan_id
+
       def initialize
         @ip_address_timeout = UNSET_VALUE
+        @vlan_id  = UNSET_VALUE
       end
 
       def finalize!
         if @ip_address_timeout == UNSET_VALUE
           @ip_address_timeout = 120
         end
+
+        if @vlan_id == UNSET_VALUE
+          @vlan_id = 0
+        end
       end
 
       def validate(machine)

plugins/providers/hyperv/driver.rb

@@ -77,6 +77,10 @@ module VagrantPlugins
          execute('import_vm.ps1', options)
        end
 
+       def net_set_vlan(vlan_id)
+          execute("set_network_vlan.ps1", { VmId: vm_id, VlanId: vlan_id })
+       end
+
       protected
 
       def execute_powershell(path, options, &block)

plugins/providers/hyperv/scripts/set_network_vlan.ps1

@@ -0,0 +1,18 @@
+param (
+    [string]$VmId = $(throw "-VmId is required."),
+    [int]$VlanId = $(throw "-VlanId ")
+ )
+
+# Include the following modules
+$presentDir = Split-Path -parent $PSCommandPath
+$modules = @()
+$modules += $presentDir + "\utils\write_messages.ps1"
+forEach ($module in $modules) { . $module }
+
+try {
+  $vm = Get-VM -Id $VmId -ErrorAction "stop"
+  Set-VMNetworkAdapterVlan $vm -Access -Vlanid $VlanId
+}
+catch {
+  Write-Error-Message "Failed to set VM's Vlan ID $_"
+}

test/unit/plugins/providers/hyperv/config_test.rb

@@ -14,5 +14,17 @@ describe VagrantPlugins::HyperV::Config do
       subject.finalize!
       expect(subject.ip_address_timeout).to eq(120)
     end
+
+  describe "#vlan_id" do
+    it "can be set" do
+      subject.vlan_id = 100
+      subject.finalize!
+      expect(subject.vlan_id).to eq(100)
+    end
+
+    it "defaults to a number" do
+      subject.finalize!
+      expect(subject.vlan_id).to eq(0)
+    end
   end
 end