builder/vmware: Add vmx_remove_ethernet_interfaces

builder/vmware/common/step_clean_vmx.go

@@ -19,7 +19,9 @@ import (
 //
 // Produces:
 //   <nothing>
-type StepCleanVMX struct{}
+type StepCleanVMX struct {
+	RemoveEthernetInterfaces bool
+}
 
 func (s StepCleanVMX) Run(state multistep.StateBag) multistep.StepAction {
 	ui := state.Get("ui").(packer.Ui)
@@ -60,6 +62,16 @@ func (s StepCleanVMX) Run(state multistep.StateBag) multistep.StepAction {
 	ui.Message("Disabling VNC server...")
 	vmxData["remotedisplay.vnc.enabled"] = "FALSE"
 
+	if s.RemoveEthernetInterfaces {
+		ui.Message("Removing Ethernet Interfaces...")
+		for k := range vmxData {
+			if strings.HasPrefix(k, "ethernet") {
+				log.Printf("Deleting key: %s", k)
+				delete(vmxData, k)
+			}
+		}
+	}
+
 	// Rewrite the VMX
 	if err := WriteVMX(vmxPath, vmxData); err != nil {
 		state.Put("error", fmt.Errorf("Error writing VMX: %s", err))

builder/vmware/common/step_clean_vmx_test.go

@@ -128,6 +128,61 @@ func TestStepCleanVMX_isoPath(t *testing.T) {
 	}
 }
 
+func TestStepCleanVMX_ethernet(t *testing.T) {
+	state := testState(t)
+	step := &StepCleanVMX{
+		RemoveEthernetInterfaces: true,
+	}
+
+	vmxPath := testVMXFile(t)
+	defer os.Remove(vmxPath)
+	if err := ioutil.WriteFile(vmxPath, []byte(testVMXEthernet), 0644); err != nil {
+		t.Fatalf("err: %s", err)
+	}
+
+	state.Put("vmx_path", vmxPath)
+
+	// Test the run
+	if action := step.Run(state); action != multistep.ActionContinue {
+		t.Fatalf("bad action: %#v", action)
+	}
+	if _, ok := state.GetOk("error"); ok {
+		t.Fatal("should NOT have error")
+	}
+
+	// Test the resulting data
+	vmxContents, err := ioutil.ReadFile(vmxPath)
+	if err != nil {
+		t.Fatalf("err: %s", err)
+	}
+	vmxData := ParseVMX(string(vmxContents))
+
+	cases := []struct {
+		Key   string
+		Value string
+	}{
+		{"ethernet0.addresstype", ""},
+		{"ethernet0.bsdname", ""},
+		{"ethernet0.connectiontype", ""},
+		{"ethernet1.addresstype", ""},
+		{"ethernet1.bsdname", ""},
+		{"ethernet1.connectiontype", ""},
+		{"foo", "bar"},
+	}
+
+	for _, tc := range cases {
+		if tc.Value == "" {
+			if _, ok := vmxData[tc.Key]; ok {
+				t.Fatalf("should not have key: %s", tc.Key)
+			}
+		} else {
+			if vmxData[tc.Key] != tc.Value {
+				t.Fatalf("bad: %s %#v", tc.Key, vmxData[tc.Key])
+			}
+		}
+	}
+}
+
 const testVMXFloppyPath = `
 floppy0.present = "TRUE"
 floppy0.filetype = "file"
@@ -139,3 +194,13 @@ ide0:0.filename = "foo"
 ide0:1.filename = "bar"
 foo = "bar"
 `
+
+const testVMXEthernet = `
+ethernet0.addresstype = "generated"
+ethernet0.bsdname = "en0"
+ethernet0.connectiontype = "nat"
+ethernet1.addresstype = "generated"
+ethernet1.bsdname = "en1"
+ethernet1.connectiontype = "nat"
+foo = "bar"
+`

builder/vmware/common/vmx_config.go

@@ -5,8 +5,9 @@ import (
 )
 
 type VMXConfig struct {
-	VMXData     map[string]string `mapstructure:"vmx_data"`
-	VMXDataPost map[string]string `mapstructure:"vmx_data_post"`
+	VMXData           map[string]string `mapstructure:"vmx_data"`
+	VMXDataPost       map[string]string `mapstructure:"vmx_data_post"`
+	VMXRemoveEthernet bool              `mapstructure:"vmx_remove_ethernet_interfaces"`
 }
 
 func (c *VMXConfig) Prepare(ctx *interpolate.Context) []error {

builder/vmware/iso/builder.go

@@ -298,7 +298,9 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
 			CustomData: b.config.VMXDataPost,
 			SkipFloppy: true,
 		},
-		&vmwcommon.StepCleanVMX{},
+		&vmwcommon.StepCleanVMX{
+			RemoveEthernetInterfaces: b.config.VMXConfig.VMXRemoveEthernet,
+		},
 		&StepUploadVMX{
 			RemoteType: b.config.RemoteType,
 		},

builder/vmware/vmx/builder.go

@@ -119,7 +119,9 @@ func (b *Builder) Run(ui packer.Ui, hook packer.Hook, cache packer.Cache) (packe
 			CustomData: b.config.VMXDataPost,
 			SkipFloppy: true,
 		},
-		&vmwcommon.StepCleanVMX{},
+		&vmwcommon.StepCleanVMX{
+			RemoveEthernetInterfaces: b.config.VMXConfig.VMXRemoveEthernet,
+		},
 	}
 
 	// Run the steps.

website/source/docs/builders/vmware-iso.html.md

@@ -278,6 +278,11 @@ builder.
     except that it is run after the virtual machine is shutdown, and before the
     virtual machine is exported.
 
+- `vmx_remove_ethernet_interfaces` (boolean) - Remove all ethernet interfaces from
+    the VMX file after building. This is for advanced users who understand the
+    ramifications, but is useful for building Vagrant boxes since Vagrant will
+    create ethernet interfaces when provisioning a box.
+
 - `vmx_template_path` (string) - Path to a [configuration
     template](/docs/templates/engine.html) that defines the
     contents of the virtual machine VMX file for VMware. This is for **advanced

website/source/docs/builders/vmware-vmx.html.md

@@ -163,6 +163,11 @@ builder.
     except that it is run after the virtual machine is shutdown, and before the
     virtual machine is exported.
 
+- `vmx_remove_ethernet_interfaces` (boolean) - Remove all ethernet interfaces from
+    the VMX file after building. This is for advanced users who understand the
+    ramifications, but is useful for building Vagrant boxes since Vagrant will
+    create ethernet interfaces when provisioning a box.
+
 - `vnc_bind_address` (string / IP address) - The IP address that should be binded
      to for VNC. By default packer will use 127.0.0.1 for this.