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// Copyright 2014 Canonical Ltd.
// Licensed under the AGPLv3, see LICENCE file for details.
package state
import (
"fmt"
"labix.org/v2/mgo/bson"
"launchpad.net/juju-core/names"
)
// NetworkInterface represents the state of a machine network
// interface.
type NetworkInterface struct {
st *State
doc networkInterfaceDoc
}
// NetworkInterfaceInfo describes a single network interface available
// on an instance.
type NetworkInterfaceInfo struct {
// MACAddress is the network interface's hardware MAC address
// (e.g. "aa:bb:cc:dd:ee:ff").
MACAddress string
// InterfaceName is the OS-specific network device name (e.g.
// "eth0" or "eth1.42" for a VLAN virtual interface).
InterfaceName string
// NetworkName is this interface's network name.
NetworkName string
// IsVirtual is true when the interface is a virtual device, as
// opposed to a physical device.
IsVirtual bool
}
// networkInterfaceDoc represents a network interface for a machine on
// a given network.
type networkInterfaceDoc struct {
Id bson.ObjectId `bson:"_id"`
MACAddress string
InterfaceName string
NetworkName string
MachineId string
IsVirtual bool
}
func newNetworkInterface(st *State, doc *networkInterfaceDoc) *NetworkInterface {
return &NetworkInterface{st, *doc}
}
func newNetworkInterfaceDoc(args NetworkInterfaceInfo) *networkInterfaceDoc {
// This does not set the machine id.
return &networkInterfaceDoc{
MACAddress: args.MACAddress,
InterfaceName: args.InterfaceName,
NetworkName: args.NetworkName,
IsVirtual: args.IsVirtual,
}
}
// GoString implements fmt.GoStringer.
func (ni *NetworkInterface) GoString() string {
return fmt.Sprintf(
"&state.NetworkInterface{machineId: %q, mac: %q, name: %q, networkName: %q, isVirtual: %v}",
ni.MachineId(), ni.MACAddress(), ni.InterfaceName(), ni.NetworkName(), ni.IsVirtual())
}
// Id returns the internal juju-specific id of the interface.
func (ni *NetworkInterface) Id() string {
return ni.doc.Id.String()
}
// MACAddress returns the MAC address of the interface.
func (ni *NetworkInterface) MACAddress() string {
return ni.doc.MACAddress
}
// InterfaceName returns the name of the interface.
func (ni *NetworkInterface) InterfaceName() string {
return ni.doc.InterfaceName
}
// NetworkName returns the network name of the interface.
func (ni *NetworkInterface) NetworkName() string {
return ni.doc.NetworkName
}
// NetworkTag returns the network tag of the interface.
func (ni *NetworkInterface) NetworkTag() string {
return names.NetworkTag(ni.doc.NetworkName)
}
// MachineId returns the machine id of the interface.
func (ni *NetworkInterface) MachineId() string {
return ni.doc.MachineId
}
// MachineTag returns the machine tag of the interface.
func (ni *NetworkInterface) MachineTag() string {
return names.MachineTag(ni.doc.MachineId)
}
// IsVirtual returns whether the interface represents a virtual
// device.
func (ni *NetworkInterface) IsVirtual() bool {
return ni.doc.IsVirtual
}
// IsPhysical returns whether the interface represents a physical
// device.
func (ni *NetworkInterface) IsPhysical() bool {
return !ni.doc.IsVirtual
}
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