diff --git a/go/vendor/github.com/digitalocean/go-netbox/netbox/models/writable_interface.go b/go/vendor/github.com/digitalocean/go-netbox/netbox/models/writable_interface.go
new file mode 100644
index 0000000..caa972f
--- /dev/null
+++ b/go/vendor/github.com/digitalocean/go-netbox/netbox/models/writable_interface.go
@@ -0,0 +1,280 @@
+// Code generated by go-swagger; DO NOT EDIT.
+
+// Copyright 2018 The go-netbox Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package models
+
+// This file was generated by the swagger tool.
+// Editing this file might prove futile when you re-run the swagger generate command
+
+import (
+	"encoding/json"
+
+	strfmt "github.com/go-openapi/strfmt"
+
+	"github.com/go-openapi/errors"
+	"github.com/go-openapi/swag"
+	"github.com/go-openapi/validate"
+)
+
+// WritableInterface writable interface
+// swagger:model WritableInterface
+type WritableInterface struct {
+
+	// Description
+	// Max Length: 100
+	Description string `json:"description,omitempty"`
+
+	// Device
+	// Required: true
+	Device *int64 `json:"device"`
+
+	// Enabled
+	Enabled bool `json:"enabled,omitempty"`
+
+	// Form factor
+	FormFactor int64 `json:"form_factor,omitempty"`
+
+	// ID
+	// Read Only: true
+	ID int64 `json:"id,omitempty"`
+
+	// Parent LAG
+	Lag int64 `json:"lag,omitempty"`
+
+	// MAC Address
+	MacAddress string `json:"mac_address,omitempty"`
+
+	// OOB Management
+	//
+	// This interface is used only for out-of-band management
+	MgmtOnly bool `json:"mgmt_only,omitempty"`
+
+	// Mode
+	Mode int64 `json:"mode,omitempty"`
+
+	// MTU
+	// Maximum: 32767
+	// Minimum: 0
+	Mtu *int64 `json:"mtu,omitempty"`
+
+	// Name
+	// Required: true
+	// Max Length: 64
+	Name *string `json:"name"`
+
+	// tagged vlans
+	// Unique: true
+	TaggedVlans []int64 `json:"tagged_vlans"`
+
+	// Untagged VLAN
+	UntaggedVlan int64 `json:"untagged_vlan,omitempty"`
+}
+
+// Validate validates this writable interface
+func (m *WritableInterface) Validate(formats strfmt.Registry) error {
+	var res []error
+
+	if err := m.validateDescription(formats); err != nil {
+		// prop
+		res = append(res, err)
+	}
+
+	if err := m.validateDevice(formats); err != nil {
+		// prop
+		res = append(res, err)
+	}
+
+	if err := m.validateFormFactor(formats); err != nil {
+		// prop
+		res = append(res, err)
+	}
+
+	if err := m.validateMode(formats); err != nil {
+		// prop
+		res = append(res, err)
+	}
+
+	if err := m.validateMtu(formats); err != nil {
+		// prop
+		res = append(res, err)
+	}
+
+	if err := m.validateName(formats); err != nil {
+		// prop
+		res = append(res, err)
+	}
+
+	if err := m.validateTaggedVlans(formats); err != nil {
+		// prop
+		res = append(res, err)
+	}
+
+	if len(res) > 0 {
+		return errors.CompositeValidationError(res...)
+	}
+	return nil
+}
+
+func (m *WritableInterface) validateDescription(formats strfmt.Registry) error {
+
+	if swag.IsZero(m.Description) { // not required
+		return nil
+	}
+
+	if err := validate.MaxLength("description", "body", string(m.Description), 100); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (m *WritableInterface) validateDevice(formats strfmt.Registry) error {
+
+	if err := validate.Required("device", "body", m.Device); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+var writableInterfaceTypeFormFactorPropEnum []interface{}
+
+func init() {
+	var res []int64
+	if err := json.Unmarshal([]byte(`[0,200,800,1000,1150,1170,1050,1100,1200,1300,1310,1320,1350,1400,1500,1510,1520,1550,1600,2600,2610,2620,2630,2640,3010,3020,3040,3080,3160,4000,4010,4040,4050,5000,5050,5100,5150,5200,32767]`), &res); err != nil {
+		panic(err)
+	}
+	for _, v := range res {
+		writableInterfaceTypeFormFactorPropEnum = append(writableInterfaceTypeFormFactorPropEnum, v)
+	}
+}
+
+// prop value enum
+func (m *WritableInterface) validateFormFactorEnum(path, location string, value int64) error {
+	if err := validate.Enum(path, location, value, writableInterfaceTypeFormFactorPropEnum); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (m *WritableInterface) validateFormFactor(formats strfmt.Registry) error {
+
+	if swag.IsZero(m.FormFactor) { // not required
+		return nil
+	}
+
+	// value enum
+	if err := m.validateFormFactorEnum("form_factor", "body", m.FormFactor); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+var writableInterfaceTypeModePropEnum []interface{}
+
+func init() {
+	var res []int64
+	if err := json.Unmarshal([]byte(`[100,200,300]`), &res); err != nil {
+		panic(err)
+	}
+	for _, v := range res {
+		writableInterfaceTypeModePropEnum = append(writableInterfaceTypeModePropEnum, v)
+	}
+}
+
+// prop value enum
+func (m *WritableInterface) validateModeEnum(path, location string, value int64) error {
+	if err := validate.Enum(path, location, value, writableInterfaceTypeModePropEnum); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (m *WritableInterface) validateMode(formats strfmt.Registry) error {
+
+	if swag.IsZero(m.Mode) { // not required
+		return nil
+	}
+
+	// value enum
+	if err := m.validateModeEnum("mode", "body", m.Mode); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (m *WritableInterface) validateMtu(formats strfmt.Registry) error {
+
+	if swag.IsZero(m.Mtu) { // not required
+		return nil
+	}
+
+	if err := validate.MinimumInt("mtu", "body", int64(*m.Mtu), 0, false); err != nil {
+		return err
+	}
+
+	if err := validate.MaximumInt("mtu", "body", int64(*m.Mtu), 32767, false); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (m *WritableInterface) validateName(formats strfmt.Registry) error {
+
+	if err := validate.Required("name", "body", m.Name); err != nil {
+		return err
+	}
+
+	if err := validate.MaxLength("name", "body", string(*m.Name), 64); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func (m *WritableInterface) validateTaggedVlans(formats strfmt.Registry) error {
+
+	if swag.IsZero(m.TaggedVlans) { // not required
+		return nil
+	}
+
+	if err := validate.UniqueItems("tagged_vlans", "body", m.TaggedVlans); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// MarshalBinary interface implementation
+func (m *WritableInterface) MarshalBinary() ([]byte, error) {
+	if m == nil {
+		return nil, nil
+	}
+	return swag.WriteJSON(m)
+}
+
+// UnmarshalBinary interface implementation
+func (m *WritableInterface) UnmarshalBinary(b []byte) error {
+	var res WritableInterface
+	if err := swag.ReadJSON(b, &res); err != nil {
+		return err
+	}
+	*m = res
+	return nil
+}