示例#1
0
    def __init__(self, node, spec):
        super().__init__(api.ObjectTypes.SECURITY_PROFILE, node)
        if hasattr(spec, 'origin'):
            self.SetOrigin(spec.origin)
        ############### PUBLIC ATTRIBUTES OF SECURITY PROFILE OBJECT ###############
        if (hasattr(spec, 'id')):
            self.SecurityProfileId = spec.id
        else:
            self.SecurityProfileId = 1
        self.GID('SecurityProfile%d'%self.SecurityProfileId)
        self.UUID = utils.PdsUuid(self.SecurityProfileId, self.ObjType)
        self.ConnTrackEn = getattr(spec, 'conntrack', False)
        deffwaction = getattr(spec, 'deffwaction', 'allow')
        self.DefaultFWAction = utils.GetRpcSecurityRuleAction(deffwaction)
        self.TCPIdleTimeout = getattr(spec, 'tcpidletimeout', 600)
        self.UDPIdleTimeout = getattr(spec, 'udpidletimeout', 120)
        self.ICMPIdleTimeout = getattr(spec, 'icmpidletimeout', 15)
        self.OtherIdleTimeout = getattr(spec, 'otheridletimeout', 90)
        self.TCPCnxnSetupTimeout = getattr(spec, 'tcpsyntimeout', 10)
        self.TCPHalfCloseTimeout = getattr(spec, 'tcphalfclosetimeout', 120)
        self.TCPCloseTimeout = getattr(spec, 'tcpclosetimeout', 15)
        self.TCPDropTimeout = getattr(spec, 'tcpdroptimeout', 90)
        self.UDPDropTimeout = getattr(spec, 'udpdroptimeout', 60)
        self.ICMPDropTimeout = getattr(spec, 'icmpdroptimeout', 30)
        self.OtherDropTimeout = getattr(spec, 'otherdroptimeout', 60)

       ############### PRIVATE ATTRIBUTES OF SECURITY_PROFILE OBJECT ###############
        self.__spec = spec
        self.DeriveOperInfo()
        self.Mutable = utils.IsUpdateSupported()
        self.Show()
        return
示例#2
0
    def __init__(self, node, spec):
        super().__init__(api.ObjectTypes.DEVICE, node)
        self.SetSingleton(True)
        self.GID("Device1")
        if hasattr(spec, 'origin'):
            self.SetOrigin(spec.origin)
        self.Stack = getattr(spec, 'stack', 'ipv4')
        ################# PUBLIC ATTRIBUTES OF DEVICE OBJECT #####################
        self.Mode = getattr(spec, 'mode', 'auto')
        if self.Mode == 'auto':
            self.Mode = utils.GetDefaultDeviceMode()
        self.BridgingEnabled = getattr(spec, 'bridging', False)
        self.OverlayRoutingEn = getattr(spec, 'overlayrouting', False)
        self.SymmetricRoutingEn = getattr(spec, 'symmetricrouting', True)
        #TODO: based on stack, get ip & gw addr
        # If loopback ip exists in testbed json, use that,
        # else use from cfgyaml
        self.IPAddr = utils.GetNodeLoopbackIp(node)
        if not self.IPAddr:
            if getattr(spec, 'ipaddress', None) != None:
                self.IPAddr = ipaddress.IPv4Address(spec.ipaddress)
            else:
                self.IPAddr = next(ResmgrClient[node].TepIpAddressAllocator)
        if getattr(spec, 'gateway', None) != None:
            self.GatewayAddr = ipaddress.IPv4Address(spec.gateway)
        else:
            self.GatewayAddr = next(ResmgrClient[node].TepIpAddressAllocator)
        if (hasattr(spec, 'macaddress')):
            self.MACAddr = spec.macaddress
        else:
            self.MACAddr = ResmgrClient[node].DeviceMacAllocator.get()

        if (hasattr(spec, 'system-mac')):
            systemMAC = getattr(spec, 'system-mac', None)
            # Use the system MAC from FRU in the UUID derivation
            utils.PdsUuid.SetSystemMAC(systemMAC.getnum())

        self.IP = str(self.IPAddr) # For testspec
        # TODO: deprecate EncapType in device
        self.EncapType = base.Encap.GetRpcEncapType(getattr(spec, 'encap', 'none'))
        self.PolicyAnyDeny = getattr(spec, 'any-deny-policy', False)
        self.Mutable = utils.IsUpdateSupported()
        self.IPMappingClassPriority = getattr(spec, 'ip-mapping-class-priority', 0)
        self.LearnSpec = LearnSpec(getattr(spec, 'learn-mode', None), \
                                   getattr(spec, 'learn-agetimeout', 300), \
                                   getattr(spec, 'learn-dhcp-enable', True), \
                                   getattr(spec, 'learn-arp-enable', True), \
                                   getattr(spec, 'learn-datapkt-enable', True))
        self.LearningEnabled = (self.LearnSpec.LearnMode != device_pb2.LEARN_MODE_NONE)

        ################# PRIVATE ATTRIBUTES OF DEVICE OBJECT #####################
        self.__spec = spec
        self.DeriveOperInfo()
        self.Show()
        if hasattr(spec, 'ipsec'):
            ipsec.encrypt_client.GenerateObjects(node, self, None, spec.ipsec)
            ipsec.decrypt_client.GenerateObjects(node, self, None, spec.ipsec)
        if (hasattr(spec, 'tunnel')):
            tunnel.client.GenerateObjects(node, self, spec.tunnel)
        return
示例#3
0
 def __init__(self, node, parent, spec):
     super().__init__(api.ObjectTypes.NEXTHOPGROUP, node)
     if hasattr(spec, 'origin'):
         self.SetOrigin(spec.origin)
     elif (EzAccessStoreClient[node].IsDeviceOverlayRoutingEnabled()):
         self.SetOrigin('discovered')
     ################# PUBLIC ATTRIBUTES OF NEXTHOPGROUP OBJECT ############
     if (hasattr(spec, 'id')):
         self.Id = spec.id
     else:
         self.Id = next(ResmgrClient[node].NexthopGroupIdAllocator)
     self.GID('NexthopGroup%d' % self.Id)
     self.UUID = utils.PdsUuid(self.Id, self.ObjType)
     self.Nexthops = {}
     self.DualEcmp = utils.IsDualEcmp(spec)
     self.Type = nh_pb2.NEXTHOP_GROUP_TYPE_NONE
     if spec.type == 'overlay':
         self.Type = nh_pb2.NEXTHOP_GROUP_TYPE_OVERLAY_ECMP
         self.NumNexthops = ResmgrClient[
             node].OverlayNumNexthopsAllocator.rrnext()
     elif spec.type == 'underlay':
         self.Type = nh_pb2.NEXTHOP_GROUP_TYPE_UNDERLAY_ECMP
         self.NumNexthops = ResmgrClient[
             node].UnderlayNumNexthopsAllocator.rrnext()
     self.Mutable = utils.IsUpdateSupported()
     self.Status = NexthopGroupStatus()
     self.DeriveOperInfo()
     self.Show()
     return
示例#4
0
 def __init__(self, node, parent, spec):
     super().__init__(api.ObjectTypes.NEXTHOP, node)
     if hasattr(spec, 'origin'):
         self.SetOrigin(spec.origin)
     elif (EzAccessStoreClient[node].IsDeviceOverlayRoutingEnabled()):
         self.SetOrigin('discovered')
     ################# PUBLIC ATTRIBUTES OF NEXTHOP OBJECT #####################
     if (hasattr(spec, 'id')):
         self.NexthopId = spec.id
     else:
         self.NexthopId = next(ResmgrClient[node].NexthopIdAllocator)
     self.GID('Nexthop%d' % self.NexthopId)
     self.UUID = utils.PdsUuid(self.NexthopId, self.ObjType)
     self.VPC = parent
     nh_type = getattr(spec, 'type', 'ip')
     self.DualEcmp = utils.IsDualEcmp(spec)
     if nh_type == 'ip':
         self.__type = topo.NhType.IP
         self.PfxSel = parent.PfxSel
         self.IPAddr = {}
         self.IPAddr[0] = next(
             ResmgrClient[node].NexthopIpV4AddressAllocator)
         self.IPAddr[1] = next(
             ResmgrClient[node].NexthopIpV6AddressAllocator)
         self.VlanId = next(ResmgrClient[node].NexthopVlanIdAllocator)
         if (hasattr(spec, 'macaddress')):
             self.MACAddr = spec.macaddress
         else:
             self.MACAddr = ResmgrClient[node].NexthopMacAllocator.get()
     elif nh_type == 'underlay':
         self.__type = topo.NhType.UNDERLAY
         self.L3Interface = InterfaceClient.GetL3UplinkInterface(node)
         self.L3InterfaceId = self.L3Interface.InterfaceId
         if (hasattr(spec, 'macaddress')):
             self.underlayMACAddr = spec.macaddress
         else:
             self.underlayMACAddr = ResmgrClient[
                 node].NexthopMacAllocator.get()
     elif nh_type == 'overlay':
         self.__type = topo.NhType.OVERLAY
         if self.DualEcmp:
             self.TunnelId = ResmgrClient[
                 node].UnderlayECMPTunAllocator.rrnext().Id
         elif (hasattr(spec, 'tunnelid')):
             self.TunnelId = spec.tunnelid
         else:
             self.TunnelId = ResmgrClient[node].UnderlayTunAllocator.rrnext(
             ).Id
     else:
         self.__type = topo.NhType.NONE
     self.Mutable = utils.IsUpdateSupported()
     self.Status = NexthopStatus()
     self.DeriveOperInfo()
     self.Show()
     return
示例#5
0
 def __init__(self, node, parent, af, routes, routetype, tunobj, vpcpeerid,
              spec):
     super().__init__(api.ObjectTypes.ROUTE, node)
     self.Class = RouteTableObject
     if hasattr(spec, 'origin'):
         self.SetOrigin(spec.origin)
     elif (EzAccessStoreClient[node].IsDeviceOverlayRoutingEnabled()):
         self.SetOrigin('discovered')
     ################# PUBLIC ATTRIBUTES OF ROUTE TABLE OBJECT #####################
     if af == utils.IP_VERSION_6:
         self.RouteTblId = next(ResmgrClient[node].V6RouteTableIdAllocator)
         self.AddrFamily = 'IPV6'
         self.NEXTHOP = NexthopClient.GetV6Nexthop(node, parent.VPCId)
     else:
         self.RouteTblId = next(ResmgrClient[node].V4RouteTableIdAllocator)
         self.AddrFamily = 'IPV4'
         self.NEXTHOP = NexthopClient.GetV4Nexthop(node, parent.VPCId)
     self.GID('RouteTable%d' % self.RouteTblId)
     if af == utils.IP_VERSION_4:
         parent.V4RouteTableName = self.GID()
     self.UUID = utils.PdsUuid(self.RouteTblId, self.ObjType)
     self.routes = routes
     self.MeterEn = False
     for r in routes.values():
         if r.MeterEn:
             self.MeterEn = True
             break
     self.TUNNEL = tunobj
     self.NhGroup = None
     self.DualEcmp = utils.IsDualEcmp(spec)
     self.PriorityType = getattr(spec, "priority", None)
     if self.TUNNEL:
         self.TunnelId = self.TUNNEL.Id
         self.TunEncap = tunobj.Encap
     else:
         self.TunnelId = 0
     self.NexthopId = self.NEXTHOP.NexthopId if self.NEXTHOP else 0
     self.VPCId = parent.VPCId
     self.VPC = parent
     self.Label = 'NETWORKING'
     self.RouteType = routetype  # used for lpm route cases
     self.PeerVPCId = vpcpeerid
     self.AppPort = ResmgrClient[node].TransportDstPort
     self.Mutable = utils.IsUpdateSupported()
     ##########################################################################
     self.DeriveOperInfo(spec)
     self.Show()
     return
示例#6
0
 def __init__(self, node, spec):
     super().__init__(api.ObjectTypes.BGP, node)
     self.BatchUnaware = True
     self.Id = next(ResmgrClient[node].BgpIdAllocator)
     self.GID("BGP%d" % self.Id)
     self.UUID = utils.PdsUuid(self.Id, api.ObjectTypes.BGP)
     self.Mutable = utils.IsUpdateSupported()
     self.LocalASN = getattr(spec, "localasn", 0)
     # If loopback ip exists in testbed json, use that,
     # else use from cfgyaml
     self.RouterId = utils.GetNodeLoopbackIp(node)
     if not self.RouterId:
         self.RouterId = ipaddress.ip_address(getattr(spec, "routerid", 0))
     self.RouterId = int(self.RouterId)
     self.ClusterId = getattr(spec, "clusterid", 0)
     self.KeepAliveInterval = topo.KEEPALIVE_INTERVAL
     self.HoldTime = topo.HOLD_TIME
     self.Show()
     return
示例#7
0
    def __init__(self, node, spec, type):
        super().__init__(api.ObjectTypes.INTERFACE, node)
        super().SetOrigin(getattr(spec, 'origin', None))

        if hasattr(spec, 'iid'):
            self.InterfaceId = spec.iid
        else:
            self.InterfaceId = next(ResmgrClient[node].InterfaceIdAllocator)

        self.Type = type
        if hasattr(spec, 'uuid'):
            self.UUID = spec.uuid
        else:
            self.UUID = utils.PdsUuid(self.InterfaceId, self.ObjType)
        self.IfName = getattr(spec, 'ifname', None)
        self.AdminState = getattr(spec, 'ifadminstatus', None)
        self.MacAddr = getattr(spec, 'macaddress', None)
        self.VPCId = getattr(spec, 'vpcid', None)
        self.VrfName = None
        self.TxPolicer = None
        if hasattr(spec, 'vrfname'):
            self.VrfName = spec.vrfname
        elif self.VPCId:
            self.VrfName = f'Vpc{self.VPCId}'

        # Following attributes are valid only for netagent mode
        self.Speed = ''
        self.MTU = topo.MTU
        self.PauseSpec = InterfaceSpec_()
        self.PauseSpec.Type = 'DISABLE'
        self.PauseSpec.TxPauseEnabled = False
        self.PauseSpec.RxPauseEnabled = False

        self.Status = InterfaceStatus()
        self.Mutable = utils.IsUpdateSupported()
        if self.IfName:
            self.GID(f'{self.IfName}')
        else:
            self.GID(
                f'{topo.INTFTYPE2STR.get(type)}Interface{self.InterfaceId:08x}'
            )
        return
示例#8
0
 def __init__(self, node, dhcpspec):
     super().__init__(api.ObjectTypes.DHCP_PROXY, node)
     if (hasattr(dhcpspec, 'id')):
         self.Id = dhcpspec.id
     else:
         self.Id = next(ResmgrClient[node].DhcpIdAllocator)
     self.GID("Dhcp%d" % self.Id)
     self.UUID = utils.PdsUuid(self.Id, self.ObjType)
     self.ntpserver = [
         ipaddress.IPv4Address(ntpserver)
         for ntpserver in dhcpspec.ntpserver
     ]
     self.serverip = ipaddress.IPv4Address(dhcpspec.serverip)
     self.routers = ipaddress.IPv4Address(dhcpspec.routers)
     self.dnsserver = [
         ipaddress.IPv4Address(dnsserver)
         for dnsserver in dhcpspec.dnsserver
     ]
     self.domainname = getattr(dhcpspec, 'domainname', None)
     self.filename = getattr(dhcpspec, 'filename', None)
     self.leasetimeout = getattr(dhcpspec, 'leasetimeout', 3600)
     self.interfacemtu = dhcpspec.interfacemtu
     self.Mutable = utils.IsUpdateSupported()
     return
示例#9
0
    def __init__(self, node, parent, spec, rxmirror, txmirror):
        super().__init__(api.ObjectTypes.VNIC, node)
        self.Class = VnicObject
        parent.AddChild(self)
        if hasattr(spec, 'origin'):
            self.SetOrigin(spec.origin)
        elif (EzAccessStoreClient[node].IsDeviceLearningEnabled()):
            self.SetOrigin('discovered')
        ################# PUBLIC ATTRIBUTES OF VNIC OBJECT #####################
        if (hasattr(spec, 'id')):
            self.VnicId = spec.id
        else:
            self.VnicId = next(ResmgrClient[node].VnicIdAllocator)
        self.GID('Vnic%d' % self.VnicId)
        self.UUID = utils.PdsUuid(self.VnicId, self.ObjType)
        self.SUBNET = parent
        self.HostIfIdx = None
        self.HostIfUuid = None
        if utils.IsDol():
            node_uuid = None
        else:
            node_uuid = EzAccessStoreClient[node].GetNodeUuid(node)
            hostifidx = getattr(spec, 'hostifidx', None)
            if hostifidx:
                self.HostIfIdx = utils.LifIfIndex2HostIfIndex(int(hostifidx))
            elif len(parent.HostIfIdx) != 0:
                self.HostIfIdx = parent.HostIfIdx[0]
        if self.HostIfIdx:
            self.HostIfUuid = utils.PdsUuid(self.HostIfIdx,
                                            node_uuid=node_uuid)
        vmac = getattr(spec, 'vmac', None)
        if vmac:
            if isinstance(vmac, objects.MacAddressStep):
                self.MACAddr = vmac.get()
            elif vmac == 'usepfmac':
                # used in IOTA for workload interface
                hostif = InterfaceClient.FindHostInterface(
                    node, self.HostIfIdx)
                if hostif != None:
                    self.MACAddr = hostif.GetInterfaceMac()
                else:
                    self.MACAddr = ResmgrClient[node].VnicMacAllocator.get()
            else:
                self.MACAddr = vmac
        else:
            self.MACAddr = Resmgr.VnicMacAllocator.get()
        self.VnicEncap = base.Encap.ParseFromSpec(
            spec, 'vnicencap', 'none',
            next(ResmgrClient[node].VnicVlanIdAllocator))
        self.MplsSlot = next(ResmgrClient[node].VnicMplsSlotIdAllocator)
        if utils.IsDol():
            self.Vnid = next(ResmgrClient[node].VxlanIdAllocator)
        else:
            self.Vnid = parent.FabricEncap.GetValue()
        self.SourceGuard = getattr(spec, 'srcguard', False)
        self.Primary = getattr(spec, 'primary', False)
        self.HostName = self.Node
        self.MaxSessions = getattr(spec, 'maxsessions', 0)
        self.MeterEn = getattr(spec, 'meteren', False)
        self.FlowLearnEn = getattr(spec, 'flowlearnen', True)
        self.SwitchVnic = getattr(spec, 'switchvnic', False)
        # TODO: clean this host if logic
        self.UseHostIf = getattr(spec, 'usehostif', True)
        self.RxMirror = rxmirror
        self.TxMirror = txmirror
        self.V4MeterId = MeterClient.GetV4MeterId(node, parent.VPC.VPCId)
        self.V6MeterId = MeterClient.GetV6MeterId(node, parent.VPC.VPCId)
        self.IngV4SecurityPolicyIds = []
        self.IngV6SecurityPolicyIds = []
        self.EgV4SecurityPolicyIds = []
        self.EgV6SecurityPolicyIds = []
        self.Status = VnicStatus()
        self.Stats = VnicStats()
        policerid = getattr(spec, 'rxpolicer', 0)
        self.RxPolicer = PolicerClient.GetPolicerObject(node, policerid)
        policerid = getattr(spec, 'txpolicer', 0)
        self.TxPolicer = PolicerClient.GetPolicerObject(node, policerid)

        ################# PRIVATE ATTRIBUTES OF VNIC OBJECT #####################
        vnicPolicySpec = getattr(spec, 'policy', None)
        if vnicPolicySpec and utils.IsVnicPolicySupported():
            self.IngV4SecurityPolicyIds = utils.GetPolicies(
                self, vnicPolicySpec, node, "V4", "ingress", False)
            self.IngV6SecurityPolicyIds = utils.GetPolicies(
                self, vnicPolicySpec, node, "V6", "ingress", False)
            self.EgV4SecurityPolicyIds = utils.GetPolicies(
                self, vnicPolicySpec, node, "V4", "egress", False)
            self.EgV6SecurityPolicyIds = utils.GetPolicies(
                self, vnicPolicySpec, node, "V6", "egress", False)

        self.DeriveOperInfo(node)
        self.Mutable = True if (utils.IsUpdateSupported()
                                and self.IsOriginFixed()) else False
        self.VnicType = getattr(spec, 'vnictype', None)
        self.HasPublicIp = getattr(spec, 'public', False)
        remote_routes = getattr(spec, 'remoteroutes', [])
        self.RemoteRoutes = []
        for remote_route in remote_routes:
            self.RemoteRoutes.append(remote_route.replace('\\', '/'))
        service_ips = getattr(spec, 'serviceips', [])
        self.ServiceIPs = []
        for service_ip in service_ips:
            self.ServiceIPs.append(service_ip.replace('\\', '/'))
        self.Movable = getattr(spec, 'movable', False)
        self.DhcpEnabled = getattr(spec, 'dhcpenabled', False)
        self.Show()

        ############### CHILDREN OBJECT GENERATION
        # Generate MAPPING configuration
        lmapping.client.GenerateObjects(node, self, spec)

        return
示例#10
0
 def __init__(self, node, spec, index, maxcount):
     super().__init__(api.ObjectTypes.VPC, node)
     if hasattr(spec, 'origin'):
         self.SetOrigin(spec.origin)
     ################# PUBLIC ATTRIBUTES OF VPC OBJECT #####################
     if (hasattr(spec, 'id')):
         self.VPCId = spec.id
     else:
         self.VPCId = next(ResmgrClient[node].VpcIdAllocator)
     self.__index = index
     self.__count = maxcount
     self.GID('Vpc%d' % self.VPCId)
     self.UUID = utils.PdsUuid(self.VPCId, self.ObjType)
     self.IPPrefix = {}
     self.Nat46_pfx = None
     self.V4RouteTableId = 0
     self.V6RouteTableId = 0
     self.V4RouteTableName = ""
     if spec.type == 'underlay':
         self.Type = vpc_pb2.VPC_TYPE_UNDERLAY
         self.IPPrefix[0] = ResmgrClient[node].ProviderIpV6Network
         self.IPPrefix[1] = ResmgrClient[node].ProviderIpV4Network
         # Reserve one SVC port
         # Right now it does not support multiple backends for a frontend
         self.SvcPort = ResmgrClient[node].TransportSvcPort
         self.__max_svc_mapping_shared_count = 1
         self.__svc_mapping_shared_count = 0
         self.SvcMappingIPAddr = {}
     elif spec.type == 'control':
         self.Type = vpc_pb2.VPC_TYPE_CONTROL
         self.IPPrefix[0] = ResmgrClient[node].GetVpcIPv6Prefix(self.VPCId)
         if hasattr(spec, "v4prefix"):
             self.IPPrefix[1] = ipaddress.ip_network(
                 spec.v4prefix.replace('\\', '/'))
         else:
             self.IPPrefix[1] = ResmgrClient[node].GetVpcIPv4Prefix(
                 self.VPCId)
     else:
         self.Type = vpc_pb2.VPC_TYPE_TENANT
         self.IPPrefix[0] = ResmgrClient[node].GetVpcIPv6Prefix(self.VPCId)
         if hasattr(spec, "v4prefix"):
             self.IPPrefix[1] = ipaddress.ip_network(
                 spec.v4prefix.replace('\\', '/'))
         else:
             self.IPPrefix[1] = ResmgrClient[node].GetVpcIPv4Prefix(
                 self.VPCId)
     if (hasattr(spec, 'nat46')) and spec.nat46 is True:
         self.Nat46_pfx = ResmgrClient[node].Nat46Address
     self.Stack = spec.stack
     # As currently vpc can have only type IPV4 or IPV6, we will alternate
     # the configuration
     if self.Stack == 'dual':
         self.PfxSel = index % 2
     elif self.Stack == 'ipv4':
         self.PfxSel = 1
     else:
         self.PfxSel = 0
     self.FabricEncap = base.Encap.ParseFromSpec(
         spec, "fabricencap", 'vxlan',
         next(ResmgrClient[node].VxlanIdAllocator))
     self.VirtualRouterMACAddr = ResmgrClient[
         node].VirtualRouterMacAllocator.get()
     self.ToS = getattr(spec, 'tos', 0)
     self.Mutable = utils.IsUpdateSupported()
     self.Status = VpcStatus()
     self.UpdateImplicit()
     ################# PRIVATE ATTRIBUTES OF VPC OBJECT #####################
     self.__ip_subnet_prefix_pool = {}
     self.__ip_subnet_prefix_pool[0] = {}
     self.__ip_subnet_prefix_pool[1] = {}
     return
示例#11
0
    def __init__(self, node, parent, spec, poolid):
        super().__init__(api.ObjectTypes.SUBNET, node)
        if hasattr(spec, 'origin'):
            self.SetOrigin(spec.origin)
        parent.AddChild(self)
        ################# PUBLIC ATTRIBUTES OF SUBNET OBJECT #####################
        if (hasattr(spec, 'id')):
            self.SubnetId = spec.id
        else:
            self.SubnetId = next(ResmgrClient[node].SubnetIdAllocator)
        self.GID('Subnet%d' % self.SubnetId)
        self.UUID = utils.PdsUuid(self.SubnetId, self.ObjType)
        self.VPC = parent
        self.PfxSel = parent.PfxSel
        self.IPPrefix = {}
        if getattr(spec, 'v6prefix', None) != None or \
                getattr(spec, 'v6prefixlen', None) != None:
            self.IPPrefix[0] = parent.AllocIPv6SubnetPrefix(poolid)
            self.IpV6Valid = True
        else:
            self.IpV6Valid = False
        if getattr(spec, 'v4prefix', None) != None:
            self.IPPrefix[1] = ipaddress.ip_network(
                spec.v4prefix.replace('\\', '/'))
        else:
            self.IPPrefix[1] = parent.AllocIPv4SubnetPrefix(poolid)
        self.ToS = getattr(spec, 'tos', 0)

        self.VirtualRouterIPAddr = {}
        self.VirtualRouterMacAddr = None
        self.V4RouteTableId = route.client.GetRouteV4TableId(
            node, parent.VPCId)
        self.V6RouteTableId = route.client.GetRouteV6TableId(
            node, parent.VPCId)

        self.IngV4SecurityPolicyIds = utils.GetPolicies(
            self, spec, node, "V4", "ingress")
        self.IngV6SecurityPolicyIds = utils.GetPolicies(
            self, spec, node, "V6", "ingress")
        self.EgV4SecurityPolicyIds = utils.GetPolicies(self, spec, node, "V4",
                                                       "egress")
        self.EgV6SecurityPolicyIds = utils.GetPolicies(self, spec, node, "V6",
                                                       "egress")

        self.V4RouteTable = route.client.GetRouteV4Table(
            node, parent.VPCId, self.V4RouteTableId)
        self.V6RouteTable = route.client.GetRouteV6Table(
            node, parent.VPCId, self.V6RouteTableId)
        self.ToS = 0
        self.IPAMname = 'Dhcp1'
        self.FabricEncap = base.Encap.ParseFromSpec(
            spec, "fabricencap", 'vxlan',
            next(ResmgrClient[node].VxlanIdAllocator))
        # TODO: clean this host if logic
        self.HostIfIdx = []
        if utils.IsDol():
            self.HostIf = InterfaceClient.GetHostInterface(node)
            if self.HostIf:
                self.HostIfIdx.append(
                    utils.LifId2HostIfIndex(self.HostIf.lif.id))
            node_uuid = None
        else:
            self.HostIf = None
            hostifidx = getattr(spec, 'hostifidx', None)
            if hostifidx:
                if isinstance(hostifidx, list):
                    for ifidx in hostifidx:
                        self.HostIfIdx.append(
                            utils.LifIfIndex2HostIfIndex(int(ifidx)))
                else:
                    self.HostIfIdx.append(int(hostifidx))
            elif getattr(spec, 'vnic', None):
                hostifidx = InterfaceClient.GetHostInterface(node)
                if hostifidx:
                    self.HostIfIdx.append(
                        utils.LifIfIndex2HostIfIndex(hostifidx))
            node_uuid = EzAccessStoreClient[node].GetNodeUuid(node)
        self.HostIfUuid = []
        for ifidx in self.HostIfIdx:
            self.HostIfUuid.append(utils.PdsUuid(ifidx, node_uuid=node_uuid))
        # TODO: randomize maybe?
        if utils.IsNetAgentMode():
            self.DHCPPolicyIds = list(
                map(lambda x: x.Id, DHCPRelayClient.Objects(node)))
        else:
            self.DHCPPolicyIds = getattr(spec, 'dhcppolicy', None)
        self.Status = SubnetStatus()
        ################# PRIVATE ATTRIBUTES OF SUBNET OBJECT #####################
        if self.IpV6Valid:
            Resmgr.CreateIPv6AddrPoolForSubnet(self.SubnetId, self.IPPrefix[0])
        Resmgr.CreateIPv4AddrPoolForSubnet(self.SubnetId, self.IPPrefix[1])

        self.__set_vrouter_attributes(spec)
        self.DeriveOperInfo()
        self.Mutable = utils.IsUpdateSupported()

        self.GenerateChildren(node, spec)
        self.__fill_default_rules_in_policy(node)
        self.Show()

        return