// maasObjectNetworkInterfaces implements environs.NetworkInterfaces() using the
// new (1.9+) MAAS API, parsing the node details JSON embedded into the given
// maasObject to extract all the relevant InterfaceInfo fields. It returns an
// error satisfying errors.IsNotSupported() if it cannot find the required
// "interface_set" node details field.
func maasObjectNetworkInterfaces(maasObject *gomaasapi.MAASObject, subnetsMap map[string]network.Id) ([]network.InterfaceInfo, error) {
interfaceSet, ok := maasObject.GetMap()["interface_set"]
if !ok || interfaceSet.IsNil() {
// This means we're using an older MAAS API.
return nil, errors.NotSupportedf("interface_set")
}
// TODO(dimitern): Change gomaasapi JSONObject to give access to the raw
// JSON bytes directly, rather than having to do call MarshalJSON just so
// the result can be unmarshaled from it.
//
// LKK Card: https://canonical.leankit.com/Boards/View/101652562/119311323
rawBytes, err := interfaceSet.MarshalJSON()
if err != nil {
return nil, errors.Annotate(err, "cannot get interface_set JSON bytes")
}
interfaces, err := parseInterfaces(rawBytes)
if err != nil {
return nil, errors.Trace(err)
}
infos := make([]network.InterfaceInfo, 0, len(interfaces))
for i, iface := range interfaces {
// The below works for all types except bonds and their members.
parentName := strings.Join(iface.Parents, "")
var nicType network.InterfaceType
switch iface.Type {
case typePhysical:
nicType = network.EthernetInterface
children := strings.Join(iface.Children, "")
if parentName == "" && len(iface.Children) == 1 && strings.HasPrefix(children, "bond") {
// FIXME: Verify the bond exists, regardless of its name.
// This is a bond member, set the parent correctly (from
// Juju's perspective) - to the bond itself.
parentName = children
}
case typeBond:
parentName = ""
nicType = network.BondInterface
case typeVLAN:
nicType = network.VLAN_8021QInterface
}
nicInfo := network.InterfaceInfo{
DeviceIndex: i,
MACAddress: iface.MACAddress,
ProviderId: network.Id(fmt.Sprintf("%v", iface.ID)),
VLANTag: iface.VLAN.VID,
InterfaceName: iface.Name,
InterfaceType: nicType,
ParentInterfaceName: parentName,
Disabled: !iface.Enabled,
NoAutoStart: !iface.Enabled,
}
for _, link := range iface.Links {
switch link.Mode {
case modeUnknown:
nicInfo.ConfigType = network.ConfigUnknown
case modeDHCP:
nicInfo.ConfigType = network.ConfigDHCP
case modeStatic, modeLinkUp:
nicInfo.ConfigType = network.ConfigStatic
default:
nicInfo.ConfigType = network.ConfigManual
}
if link.IPAddress == "" {
logger.Debugf("interface %q has no address", iface.Name)
} else {
// We set it here initially without a space, just so we don't
// lose it when we have no linked subnet below.
nicInfo.Address = network.NewAddress(link.IPAddress)
nicInfo.ProviderAddressId = network.Id(fmt.Sprintf("%v", link.ID))
}
if link.Subnet == nil {
logger.Debugf("interface %q link %d missing subnet", iface.Name, link.ID)
infos = append(infos, nicInfo)
continue
}
sub := link.Subnet
nicInfo.CIDR = sub.CIDR
nicInfo.ProviderSubnetId = network.Id(fmt.Sprintf("%v", sub.ID))
nicInfo.ProviderVLANId = network.Id(fmt.Sprintf("%v", sub.VLAN.ID))
// Now we know the subnet and space, we can update the address to
// store the space with it.
nicInfo.Address = network.NewAddressOnSpace(sub.Space, link.IPAddress)
spaceId, ok := subnetsMap[string(sub.CIDR)]
if !ok {
// The space we found is not recognised, no
// provider id available.
logger.Warningf("interface %q link %d has unrecognised space %q", iface.Name, link.ID, sub.Space)
} else {
nicInfo.Address.SpaceProviderId = spaceId
nicInfo.ProviderSpaceId = spaceId
}
gwAddr := network.NewAddressOnSpace(sub.Space, sub.GatewayIP)
nicInfo.DNSServers = network.NewAddressesOnSpace(sub.Space, sub.DNSServers...)
if ok {
gwAddr.SpaceProviderId = spaceId
for i := range nicInfo.DNSServers {
nicInfo.DNSServers[i].SpaceProviderId = spaceId
}
}
nicInfo.GatewayAddress = gwAddr
nicInfo.MTU = sub.VLAN.MTU
// Each link we represent as a separate InterfaceInfo, but with the
// same name and device index, just different addres, subnet, etc.
infos = append(infos, nicInfo)
}
}
return infos, nil
}
// maasObjectNetworkInterfaces implements environs.NetworkInterfaces() using the
// new (1.9+) MAAS API, parsing the node details JSON embedded into the given
// maasObject to extract all the relevant InterfaceInfo fields. It returns an
// error satisfying errors.IsNotSupported() if it cannot find the required
// "interface_set" node details field.
func maasObjectNetworkInterfaces(maasObject *gomaasapi.MAASObject) ([]network.InterfaceInfo, error) {
interfaceSet, ok := maasObject.GetMap()["interface_set"]
if !ok || interfaceSet.IsNil() {
// This means we're using an older MAAS API.
return nil, errors.NotSupportedf("interface_set")
}
// TODO(dimitern): Change gomaasapi JSONObject to give access to the raw
// JSON bytes directly, rather than having to do call MarshalJSON just so
// the result can be unmarshaled from it.
//
// LKK Card: https://canonical.leankit.com/Boards/View/101652562/119311323
rawBytes, err := interfaceSet.MarshalJSON()
if err != nil {
return nil, errors.Annotate(err, "cannot get interface_set JSON bytes")
}
interfaces, err := parseInterfaces(rawBytes)
if err != nil {
return nil, errors.Trace(err)
}
infos := make([]network.InterfaceInfo, 0, len(interfaces))
for i, iface := range interfaces {
nicInfo := network.InterfaceInfo{
DeviceIndex: i,
MACAddress: iface.MACAddress,
ProviderId: network.Id(fmt.Sprintf("%v", iface.ID)),
VLANTag: iface.VLAN.VID,
InterfaceName: iface.Name,
Disabled: !iface.Enabled,
NoAutoStart: !iface.Enabled,
// This is not needed anymore, but the provisioner still validates it's set.
NetworkName: network.DefaultPrivate,
}
for _, link := range iface.Links {
switch link.Mode {
case modeUnknown:
nicInfo.ConfigType = network.ConfigUnknown
case modeDHCP:
nicInfo.ConfigType = network.ConfigDHCP
case modeStatic, modeLinkUp:
nicInfo.ConfigType = network.ConfigStatic
default:
nicInfo.ConfigType = network.ConfigManual
}
if link.IPAddress == "" {
logger.Warningf("interface %q has no address", iface.Name)
} else {
// We set it here initially without a space, just so we don't
// lose it when we have no linked subnet below.
nicInfo.Address = network.NewAddress(link.IPAddress)
}
if link.Subnet == nil {
logger.Warningf("interface %q link %d missing subnet", iface.Name, link.ID)
infos = append(infos, nicInfo)
continue
}
sub := link.Subnet
nicInfo.CIDR = sub.CIDR
nicInfo.ProviderSubnetId = network.Id(fmt.Sprintf("%v", sub.ID))
// Now we know the subnet and space, we can update the address to
// store the space with it.
nicInfo.Address = network.NewAddressOnSpace(sub.Space, link.IPAddress)
gwAddr := network.NewAddressOnSpace(sub.Space, sub.GatewayIP)
nicInfo.GatewayAddress = gwAddr
nicInfo.DNSServers = network.NewAddressesOnSpace(sub.Space, sub.DNSServers...)
nicInfo.MTU = sub.VLAN.MTU
// Each link we represent as a separate InterfaceInfo, but with the
// same name and device index, just different addres, subnet, etc.
infos = append(infos, nicInfo)
}
}
return infos, nil
}