Beispiel #1
0
    def CreateObjects(self, node):
        if EzAccessStoreClient[node].IsDeviceOverlayRoutingEnabled() or\
           EzAccessStoreClient[node].IsBitwMode():
            logger.info(f"Skip Creating {self.ObjType.name} Objects in {node}")
            return
        cookie = utils.GetBatchCookie(node)
        if utils.IsPipelineApulu():
            if utils.IsBatchingDisabled():
                # L3 interfaces go via MS and they need time to make it to HAL before
                # we can push nexthops pointing to them
                utils.Sleep(5)
            logger.info(
                f"Creating {len(self.__underlay_objs[node])} underlay {self.ObjType.name} Objects in {node}"
            )
            msgs = list(
                map(lambda x: x.GetGrpcCreateMessage(cookie),
                    self.__underlay_objs[node].values()))
            list(map(lambda x: x.SetHwHabitant(False), self.Objects(node)))
            list(
                map(lambda x: x.SetHwHabitant(True),
                    self.__underlay_objs[node].values()))
        else:
            logger.info(
                f"Creating {len(self.Objects(node))} {self.ObjType.name} Objects in {node}"
            )
            msgs = list(
                map(lambda x: x.GetGrpcCreateMessage(cookie),
                    self.Objects(node)))
            list(map(lambda x: x.SetHwHabitant(True), self.Objects(node)))
        api.client[node].Create(self.ObjType, msgs)

        # Note: Tunnel objects depends on nhgroup with underlay ecmp, hence create those nhgroups
        # along with nexthop objects. Since nh objects are always created before tunnel objects
        NHGroupClient.CreateObjectsOfType(
            node, nh_pb2.NEXTHOP_GROUP_TYPE_UNDERLAY_ECMP)
        return
Beispiel #2
0
 def IsReadSupported(self):
     if utils.IsPipelineApulu():
         return True
     # TODO: reads are failing for apollo & artemis
     return False
Beispiel #3
0
class Resmgr(base.ConfigObjectBase):
    #TODO: read from PDS header files / naples mem & init
    MAX_OPER = 1
    MAX_UPGRADE = 1
    MAX_DEVICE = 1
    MAX_INTERFACE = 4
    MAX_TUNNEL = 2048 if utils.IsPipelineApulu() else 1023
    MAX_NEXTHOP = 4095
    MAX_NEXTHOPGROUP = 2048
    MAX_LMAPPING = 131072
    MAX_RMAPPING = 2097152
    MAX_VPC = 64
    MAX_VNIC = 128 if utils.IsPipelineArtemis() or utils.IsPipelineApulu(
    ) else 64
    MAX_HOST_INTERFACES = 8 if utils.IsPipelineApulu() else 2
    # Apulu supports 8 lif for now and therefore cfg cannot have more than 8 subnets
    MAX_SUBNET = MAX_HOST_INTERFACES if utils.IsPipelineApulu() else 64
    MAX_RULES_PER_V4_POLICY = 1023
    MAX_RULES_PER_V6_POLICY = 15
    if utils.IsPipelineArtemis():
        MAX_POLICY = 1023
        MAX_ROUTE_TABLE = 128
        MAX_ROUTES_PER_ROUTE_TBL = 63
    elif utils.IsPipelineApulu():
        # TODO: init based on mem
        # 32 vnics, 32 subnets, 5 policies per vnic per direction, 1 policy per subnet per direction
        # ((32 * 5) * 2) + ((32 * 1) * 2) = 384
        MAX_POLICY = 384  # 384 (8G) and 32 (4G)
        MAX_RULES_PER_V4_POLICY = 256
        MAX_ROUTE_TABLE = 1024  # 1024 (8G) and 8 (4G)
        MAX_ROUTES_PER_ROUTE_TBL = 16383  # 1023 (8G) and 16383 (4G)
    else:
        MAX_POLICY = 1023
        MAX_ROUTE_TABLE = 1024
        MAX_ROUTES_PER_ROUTE_TBL = 1023
    MAX_POLICY_PER_VNIC = 2
    MAX_POLICER_PER_DIRECTION = 1024
    MAX_SECURITY_PROFILE = 1
    MAX_MIRROR = 8
    MAX_TAG = 1
    MAX_METER = 64
    MAX_UNDERLAY_NHS = 2
    MAX_OVERLAY_NHS = 8
    MAX_DHCP_RELAY = 16
    MAX_DHCP_PROXY = 16
    MAX_NAT_PB = 1024
    MAX_BGP_SESSIONS = 5
    MAX_BGP_PEER_AF_SESSIONS = 5
    MAX_BGP_PEERS = 10
    MAX_BGP_EVPN_EVI = 50
    MAX_BGP_EVPN_EVI_RT = 50
    MAX_BGP_EVPN_IP_VRF = 50
    MAX_BGP_EVPN_IP_VRF_RT = 50
    MAX_IPSEC_SA = 1024

    NICMGR_HOST_LIF_BASE = 72
    NICMGR_HOST_LIF_COUNT = 1

    # Starts VPC prefixes from 10/8 to 42/8
    VPC_V4_PREFIX_BASE = 10
    # Create overlapping prefixes for every 32 VPCs
    VPC_V4_PREFIX_OVERLAP_DIST = 32
    # Starts VPC prefixes from aaaa:0001:0010/48 to aaaa:0001:00042/48
    VPC_V6_BASE = 'aaaa:0001'
    VPC_V6_PREFIX_BASE = 10
    # Create overlapping prefixes for every 32 VPCs
    VPC_V6_PREFIX_OVERLAP_DIST = 128

    InvalidMplsSlotIdAllocator = iter(irange(50001, 90000))
    InvalidVxlanIdAllocator = iter(irange(10001, 12000))
    # This will be used to avoid overlap between topology and resource manager id allocation
    # used only for Tunnel, Nexthop and Interface objects
    BaseDuplicateIdAllocator = 100000

    # TCP/UDP ports for flow and service mapping. Right now keeping it in resmgr.
    TransportSrcPort = 100  # For VNET packets
    TransportDstPort = 200  # For VNET packets
    TransportSvcPort = 400  # For VIP, Underlay tcp/udp port
    TransportSrcLBPort = 101  # Local backend service port, 101 mapped to 400

    # Subnet address pools for multi node topology where same subnet exists on many nodes
    SubnetIPv4AddrPool = dict()
    SubnetIPv6AddrPool = dict()
    SubnetVRIPv4 = dict()
    SubnetVRIPv6 = dict()

    LocalMappingIdAllocator = iter(irange(1, 128 * 1024))
    RemoteMappingIdAllocator = iter(irange(1, 16 * 1024 * 1024))

    LocalMappingV4TagIdAllocator = iter(irange(1, 2 * 1024 * 1024))
    LocalMappingV6TagIdAllocator = iter(irange(1, 2 * 1024 * 1024))
    RemoteMappingV4TagIdAllocator = iter(irange(1, 2 * 1024 * 1024))
    RemoteMappingV6TagIdAllocator = iter(irange(1, 2 * 1024 * 1024))

    VnicMacAllocator = objects.TemplateFieldObject(
        "macstep/00DD.0000.0001/0000.0000.0001")

    def __init__(self, node):
        super().__init__()
        self.Node = node
        self.EpochAllocator = iter(irange(1, 4096))
        # tunnel id=1 is mytep
        self.TunnelIdAllocator = iter(irange(2, 4096))
        self.VpcIdAllocator = iter(irange(1, 1024))
        self.SubnetIdAllocator = iter(irange(1, 1024))
        self.FlowIdAllocator = iter(irange(1, 1 * 1024 * 1024))
        self.VnicVlanIdAllocator = iter(irange(1, 1024))
        self.VnicMplsSlotIdAllocator = iter(irange(10000, 11024))
        self.VnicIdAllocator = iter(irange(1, 1024))
        self.InterfaceIdAllocator = iter(irange(1, 66))
        self.V4RouteTableIdAllocator = iter(irange(1, 1024))
        self.V6RouteTableIdAllocator = iter(irange(10001, 11024))
        self.RouteIdAllocator = iter(irange(1, 1024 * 1023))
        self.V4SecurityPolicyIdAllocator = iter(irange(1, 2048))
        self.V6SecurityPolicyIdAllocator = iter(irange(10001, 12048))
        self.RuleIdAllocator = iter(irange(1, 1023 * 1023))
        self.SecurityPolicyIdAllocator = iter(irange(1, 4 * 1024 * 1024))
        self.VirtualRouterMacAllocator = objects.TemplateFieldObject(
            "macstep/00CC.0000.0001/0000.0000.0001")
        self.RemoteMappingMacAllocator = objects.TemplateFieldObject(
            "macstep/00EE.0000.0001/0000.0000.0001")
        self.TepIpAddressAllocator = ipaddress.IPv4Network(
            '172.16.0.0/16').hosts()
        self.TepIpv6AddressAllocator = ipaddress.IPv6Network(
            'ffff::100:0/104').hosts()
        self.IGWMplsSlotIdAllocator = iter(irange(30001, 31024))
        self.RemoteInternetNonNatTunAllocator = None
        self.RemoteInternetNatTunAllocator = None
        self.RemoteMplsVnicTunAllocator = None
        self.PublicIpAddressAllocator = ipaddress.IPv4Network(
            '200.0.0.0/16').hosts()
        self.PublicIpv6AddressAllocator = ipaddress.IPv6Network(
            'eeee:0:0:0::/64').hosts()
        self.IGWVxlanIdAllocator = iter(irange(50001, 51024))
        self.VxlanIdAllocator = iter(irange(80001, 81024))
        self.MirrorSessionIdAllocator = iter(irange(1, 8))
        self.PortIdAllocator = iter(irange(1, 4))
        self.DhcpIdAllocator = iter(irange(1, 32))
        self.NatPoolIdAllocator = iter(irange(1, 1000))
        self.PolicerIdAllocator = iter(irange(1, 2048))
        self.EvpnEviIdAllocator = iter(irange(1, 50))
        self.EvpnEviRtIdAllocator = iter(irange(1, 50))
        self.EvpnIpVrfIdAllocator = iter(irange(1, 50))
        self.EvpnIpVrfRtIdAllocator = iter(irange(1, 50))
        self.IpsecTunAllocator = None
        self.IpsecTunnelModeTunAllocator = None
        self.IpsecTransportModeTunAllocator = None
        self.IpsecEncryptSAIdAllocator = iter(irange(1, 1000))
        self.IpsecDecryptSAIdAllocator = iter(irange(1, 1000))
        self.IpsecTunnelAddressAllocator = ipaddress.IPv4Network(
            '205.10.0.0/16').hosts()

        # ---------------------------------------------------------------------------------
        # Artemis specific configs
        # Nexthop IP allocator. Curently unique IP (globally)
        # TODO : Can have same IP across VPCs.
        self.NexthopIdAllocator = iter(irange(1, 1 * 1024 * 1024))
        self.NexthopIpV4AddressAllocator = ipaddress.IPv4Network(
            '210.0.0.0/16').hosts()
        self.NexthopIpV6AddressAllocator = ipaddress.IPv6Network(
            'eeee:eeee:0:0::/64').hosts()
        self.NexthopMacAllocator = objects.TemplateFieldObject(
            "macstep/0055.0000.0001/0000.0000.0001")
        self.NexthopGroupIdAllocator = iter(irange(1, 1 * 1024))
        self.V4TagIdAllocator = iter(irange(1, 1))
        self.V6TagIdAllocator = iter(irange(2, 2))
        self.NexthopVxlanIdAllocator = iter(irange(90001, 91024))
        self.V4MeterIdAllocator = iter(irange(1, 64))
        self.V6MeterIdAllocator = iter(irange(65, 129))
        # Currently one to one mapping with CA-IP. TODO. Many to one
        self.SvcMappingPublicIpV4AddressAllocator = ipaddress.IPv4Network(
            '150.0.0.0/16').hosts()
        self.SvcMappingPublicIpV6AddressAllocator = ipaddress.IPv6Network(
            'eeee:dddd:dddd:0::/64').hosts()
        self.NexthopVlanIdAllocator = iter(irange(4001, 5124))
        # Provider IP for local and remote. One to One mapping now. Many to one can be done later
        self.ProviderIpV4Network = '220.0.0.0/8'
        self.ProviderIpV6Network = 'eeee:eeee:eee0:0::/64'
        self.ProviderIpV4Network = ipaddress.IPv4Network(
            self.ProviderIpV4Network)
        self.ProviderIpV6Network = ipaddress.IPv6Network(
            self.ProviderIpV6Network)
        self.ProviderIpV4AddressAllocator = ipaddress.IPv4Network(
            self.ProviderIpV4Network).hosts()
        self.ProviderIpV6AddressAllocator = ipaddress.IPv6Network(
            self.ProviderIpV6Network).hosts()
        self.VpcVxlanIdAllocator = iter(irange(50000, 51024))
        self.Nat46Address = ipaddress.IPv6Network('aaaa:aaaa:0:0::/64')
        self.TepMacAllocator = objects.TemplateFieldObject(
            "macstep/0065.0000.0001/0000.0000.0001")
        # Public IP adddress in the underlay VC
        self.SvcMappingPublicIpV4AddressAllocator = ipaddress.IPv4Network(
            '150.0.0.0/16').hosts()
        self.SvcMappingPublicIpV6AddressAllocator = ipaddress.IPv6Network(
            'eeee:dddd:dddd:0::/64').hosts()
        # -------------------------------------------------------------------
        self.SvcTunAllocator = None
        self.RemoteSvcTunAllocator = None
        self.UnderlayTunAllocator = None
        self.UnderlayECMPTunAllocator = None
        self.OverlayNhGroupAllocator = None
        self.RemoteSvcTunIPv4Addr = ipaddress.IPv4Network(
            '30.0.0.0/24').hosts()

        #Apulu specific configs
        self.UnderlayNHAllocator = None
        self.OverlayNHAllocator = None
        self.DualEcmpNhAllocator = None
        self.UnderlayNhGroupAllocator = None
        self.DualEcmpNhGroupAllocator = None
        self.DhcpRelayAllocator = None
        self.IpsecEncryptSAAllocator = None
        self.IpsecDecryptSAAllocator = None
        self.DeviceMacAllocator = objects.TemplateFieldObject(
            "macstep/0002.0100.0000/0000.0000.0001")
        self.NumVnicPolicyAllocator = utils.rrobiniter(
            range(Resmgr.MAX_POLICY_PER_VNIC + 1))
        self.UnderlayNumNexthopsAllocator = utils.rrobiniter(
            range(1, Resmgr.MAX_UNDERLAY_NHS + 1))
        self.OverlayNumNexthopsAllocator = utils.rrobiniter(
            range(1, Resmgr.MAX_OVERLAY_NHS + 1))

        self.L3InterfaceIPv4PfxPool = iter(
            ipaddress.IPv4Network('40.40.0.0/16').subnets(new_prefix=24))

        # Host interface configs
        self.HostMemoryAllocator = None
        self.HostIfs = dict()
        # Host interface index allocator for IOTA.
        # Ifindices 72 and 73 (0x48, 0x49) are reserved, so we have a non-contiuous list
        #TODO: Fix it properly later
        HostIfIdxList = [
            0x80000047, 0x8000004A, 0x8000004B, 0x8000004C, 0x8000004D,
            0x8000004E, 0x8000004F, 0x80000050
        ]

        self.HostIfIdxAllocator = iter(HostIfIdxList)
        self.LoopbackIfIdAllocator = iter(irange(1, 16))

        # Metaswitch
        self.BgpIdAllocator = iter(irange(1, 10))
        self.BgpPeerIdAllocator = iter(irange(1, 10))
        self.BgpPeerAfIdAllocator = iter(irange(1, 10))

        return

    def Show(self):
        return

    def ReadHostInterfaceInfo(self):
        if utils.IsDryRun(): return
        # reads nicmgr.log and get interface info
        nicmgrlog = utils.GetNicmgrLogPath()
        f = open(nicmgrlog, "r")
        for ifobj in self.HostIfs.values():
            # get lifbase and count
            pattern = ' %s: lif_base (\w+) lif_count (\w+)' % (ifobj.IfName)
            for line in f:
                match = re.search(pattern, line)
                if match is None:
                    continue
                lifbase = int(match.groups()[0])
                lifcount = int(match.groups()[1])
                ifobj.SetLifBase(lifbase)
                ifobj.SetLifCount(lifcount)
                break

            # get devcmd addr
            pattern = ' %s: regs_mem_addr (\w+) devcmd_mem_addr (\w+)' % (
                ifobj.IfName)
            for line in f:
                match = re.search(pattern, line)
                if match is None:
                    continue
                devcmdaddr = int(match.groups()[1], base=16)
                ifobj.SetDevCmdAddr(devcmdaddr)
                break

            # get qstate addr for all lifs under this device
            for i in range(lifcount):
                lif_id = lifbase + i
                pattern = ' lif-%d: qtype: (\d{1}), qstate_base: (\w+)' % (
                    lif_id)
                for line in f:
                    match = re.search(pattern, line)
                    if match is None:
                        continue
                    q_type = int(match.groups()[0])
                    qstate_base = int(match.groups()[1], base=16)
                    qstateaddr_list = ifobj.Lif2QstateMap.get(lif_id, [])
                    qstateaddr_list.insert(q_type, qstate_base)
                    ifobj.Lif2QstateMap.update({lif_id: qstateaddr_list})
                    if (q_type == 7):
                        break
        f.close()
        return

    def InitializeHostMemMgr(self):
        if utils.IsDryRun(): return
        self.HostMemoryAllocator = objects.GetHostMemMgrObject()
        assert self.HostMemoryAllocator is not None

    def InitializeHostInterfaces(self):
        if not utils.IsDol(): return
        with open(utils.GetDeviceJsonPath(), 'r') as fp:
            obj = json.load(fp)
        lifbase = Resmgr.NICMGR_HOST_LIF_BASE
        lifcount = Resmgr.NICMGR_HOST_LIF_COUNT
        # read host interface info from device.json
        for ethdev in obj["eth_dev"]:
            if ethdev["type"] != 'host':
                continue
            ifname = ethdev["name"]
            intf = NicmgrInterface(ifname)
            intf.SetLifBase(lifbase)
            self.HostIfs.update({ifname: intf})
            lifbase += lifcount
        if utils.IsInterfaceSupported():
            self.InitializeHostMemMgr()
            self.ReadHostInterfaceInfo()

    def Initialize(self):
        self.InitializeHostInterfaces()

    def CreateInternetTunnels(self):
        objs = EzAccessStoreClient[self.Node].GetIgwNonNatTunnels()
        if len(objs) != 0:
            self.RemoteInternetNonNatTunAllocator = utils.rrobiniter(objs)
        objs = EzAccessStoreClient[self.Node].GetIgwNatTunnels()
        if len(objs) != 0:
            self.RemoteInternetNatTunAllocator = utils.rrobiniter(objs)

    def CollectSvcTunnels(self):
        if utils.IsPipelineArtemis():
            objs = EzAccessStoreClient[self.Node].GetSvcTunnels()
            if len(objs) != 0:
                self.SvcTunAllocator = utils.rrobiniter(objs)
            objs = EzAccessStoreClient[self.Node].GetSvcTunnels(True)
            if len(objs) != 0:
                self.RemoteSvcTunAllocator = utils.rrobiniter(objs)

    def CreateVnicTunnels(self):
        objs = EzAccessStoreClient[self.Node].GetWorkloadTunnels()
        if len(objs) != 0:
            self.RemoteMplsVnicTunAllocator = utils.rrobiniter(objs)

    def CreateUnderlayTunnels(self):
        objs = EzAccessStoreClient[self.Node].GetUnderlayTunnels()
        if len(objs) != 0:
            self.UnderlayTunAllocator = utils.rrobiniter(objs)
        objs = EzAccessStoreClient[self.Node].GetUnderlayTunnels(ecmp=True)
        if len(objs) != 0:
            self.UnderlayECMPTunAllocator = utils.rrobiniter(objs)

    def CreateUnderlayNHAllocator(self):
        objs = EzAccessStoreClient[self.Node].GetUnderlayNexthops()
        if len(objs) != 0:
            self.UnderlayNHAllocator = utils.rrobiniter(objs)

    def CreateOverlayNHAllocator(self):
        objs = EzAccessStoreClient[self.Node].GetOverlayNexthops()
        if len(objs) != 0:
            self.OverlayNHAllocator = utils.rrobiniter(objs)

    def CreateDualEcmpNhAllocator(self):
        objs = EzAccessStoreClient[self.Node].GetDualEcmpNexthops()
        if len(objs) != 0:
            self.DualEcmpNhAllocator = utils.rrobiniter(objs)

    def CreateUnderlayNhGroupAllocator(self):
        objs = EzAccessStoreClient[self.Node].GetUnderlayNhGroups()
        if len(objs) != 0:
            self.UnderlayNhGroupAllocator = utils.rrobiniter(objs)

    def CreateOverlayNhGroupAllocator(self):
        objs = EzAccessStoreClient[self.Node].GetOverlayNhGroups()
        if len(objs) != 0:
            self.OverlayNhGroupAllocator = utils.rrobiniter(objs)

    def CreateDualEcmpNhGroupAllocator(self):
        objs = EzAccessStoreClient[self.Node].GetDualEcmpNhGroups()
        if len(objs) != 0:
            self.DualEcmpNhGroupAllocator = utils.rrobiniter(objs)

    def CreateDHCPRelayAllocator(self):
        objs = EzAccessStoreClient[self.Node].GetDhcpRelayObjects()
        if len(objs) != 0:
            self.DhcpRelayAllocator = utils.rrobiniter(objs)

    def CreateDHCPProxyAllocator(self):
        objs = EzAccessStoreClient[self.Node].GetDhcpProxyObjects()
        if len(objs) != 0:
            self.DhcpProxyAllocator = utils.rrobiniter(objs)

    def CreateIpsecTunnels(self):
        objs = EzAccessStoreClient[self.Node].GetIpsecTunnels()
        if len(objs) != 0:
            self.IpsecTunAllocator = utils.rrobiniter(objs)

    def CreateIpsecTunnelModeTunnels(self):
        objs = EzAccessStoreClient[self.Node].GetIpsecTunnelModeTunnels()
        if len(objs) != 0:
            self.IpsecTunnelModeTunAllocator = utils.rrobiniter(objs)

    def CreateIpsecTransportModeTunnels(self):
        objs = EzAccessStoreClient[self.Node].GetIpsecTransportModeTunnels()
        if len(objs) != 0:
            self.IpsecTransportModeTunAllocator = utils.rrobiniter(objs)

    def CreateIpsecEncryptSAAllocator(self):
        objs = EzAccessStoreClient[self.Node].GetIpsecEncryptSAs()
        if len(objs) != 0:
            self.IpsecEncryptSAAllocator = utils.rrobiniter(objs)

    def CreateIpsecDecryptSAAllocator(self):
        objs = EzAccessStoreClient[self.Node].GetIpsecDecryptSAs()
        if len(objs) != 0:
            self.IpsecDecryptSAAllocator = utils.rrobiniter(objs)

    # Create subnets from base prefix
    # - base is a prefix in the form of '10.0.0.0/16'
    # - sublen is the subnet length, gt base prefix length.
    # - poolid , subnet pool index with in a vpc
    @staticmethod
    def CreateIPv4SubnetPool(base, sublen, poolid):
        assert (isinstance(base, ipaddress.IPv4Network))
        assert (sublen >= 10)
        assert (poolid < 16)
        addr = base.network_address + (poolid << (32 - 8))
        pfxstr = "%s/8" % (str(ipaddress.IPv4Address(addr)))
        base = ipaddress.IPv4Network(pfxstr)
        return iter(base.subnets(new_prefix=sublen))

    @staticmethod
    def CreateIPv6SubnetPool(base, sublen, poolid):
        assert (isinstance(base, ipaddress.IPv6Network))
        assert (sublen >= 64)
        assert (poolid < 16)
        addr = base.network_address + (poolid << (128 - 56))
        pfxstr = "%s/56" % (str(ipaddress.IPv6Address(addr)))
        base = ipaddress.IPv6Network(pfxstr)
        return iter(base.subnets(new_prefix=sublen))

    @staticmethod
    def CreateIpv4AddrPool(subnet):
        assert (isinstance(subnet, ipaddress.IPv4Network))
        return iter(subnet.hosts())

    @staticmethod
    def CreateIpv6AddrPool(subnet):
        assert (isinstance(subnet, ipaddress.IPv6Network))
        return iter(subnet.hosts())

    @staticmethod
    def CreateIPv4AddrPoolForSubnet(subnet_id, prefix):
        if subnet_id in Resmgr.SubnetIPv4AddrPool:
            return
        assert (isinstance(prefix, ipaddress.IPv4Network))
        Resmgr.SubnetIPv4AddrPool[subnet_id] = iter(prefix.hosts())
        # store first IP as VRIP
        Resmgr.SubnetVRIPv4[subnet_id] = next(
            Resmgr.SubnetIPv4AddrPool[subnet_id])
        return

    @staticmethod
    def CreateIPv6AddrPoolForSubnet(subnet_id, prefix):
        if subnet_id in Resmgr.SubnetIPv6AddrPool:
            return
        assert (isinstance(prefix, ipaddress.IPv6Network))
        Resmgr.SubnetIPv6AddrPool[subnet_id] = iter(prefix.hosts())
        # store first IP as VRIP
        Resmgr.SubnetVRIPv6[subnet_id] = next(
            Resmgr.SubnetIPv6AddrPool[subnet_id])
        return

    @staticmethod
    def GetIPv4AddrFromSubnetPool(subnet_id):
        if subnet_id in Resmgr.SubnetIPv4AddrPool:
            return next(Resmgr.SubnetIPv4AddrPool[subnet_id])
        else:
            return None

    @staticmethod
    def GetIPv6AddrFromSubnetPool(subnet_id):
        if subnet_id in Resmgr.SubnetIPv6AddrPool:
            return next(Resmgr.SubnetIPv6AddrPool[subnet_id])
        else:
            return None

    @staticmethod
    def GetSubnetVRIPv4(subnet_id):
        if subnet_id in Resmgr.SubnetVRIPv4:
            return Resmgr.SubnetVRIPv4[subnet_id]
        else:
            return None

    @staticmethod
    def GetSubnetVRIPv6(subnet_id):
        if subnet_id in Resmgr.SubnetVRIPv6:
            return Resmgr.SubnetVRIPv6[subnet_id]
        else:
            return None

    # The below function will be called for every Remote TEP
    @staticmethod
    def CreateRemoteVnicMplsSlotAllocator():
        mplsbase = 20000
        return iter(irange(mplsbase,
                           mplsbase + 1027))  # 1M Remote Mappings/1022 Teps

    # The below function will be called for every Remote TEP
    @staticmethod
    def CreateRemoteVnicVxlanIdAllocator():
        vxlanbase = 30000
        return iter(irange(vxlanbase,
                           vxlanbase + 1027))  # 1M Remote Mappings/1022 Teps

    @staticmethod
    def GetVpcIPv4Prefix(vpcid):
        pfxstr = '%d.0.0.0/8' % ((vpcid % Resmgr.VPC_V4_PREFIX_OVERLAP_DIST) +
                                 Resmgr.VPC_V4_PREFIX_BASE)
        return ipaddress.IPv4Network(pfxstr)

    @staticmethod
    def GetVpcIPv6Prefix(vpcid):
        pfxstr = '%s:%04x::/48' % (Resmgr.VPC_V6_BASE, (
            (vpcid % Resmgr.VPC_V6_PREFIX_OVERLAP_DIST) +
            Resmgr.VPC_V6_PREFIX_BASE))
        return ipaddress.IPv6Network(pfxstr)

    @staticmethod
    def GetVpcInternetNatPoolPfx(vpcid):
        pfxstr = '50.5.%d.0/24' % (vpcid)
        return ipaddress.IPv4Network(pfxstr)

    @staticmethod
    def GetVpcInfraNatPoolPfx(vpcid):
        pfxstr = '10.%d.199.0/24' % (vpcid)
        return ipaddress.IPv4Network(pfxstr)

    @staticmethod
    def GetNatPoolPortRange(proto):
        if proto == 'icmp':
            return 0, 0
        return 10000, 20000
Beispiel #4
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 def __isNhFeatureSupported(nh_type):
     if nh_type == 'underlay' or nh_type == 'overlay':
         return utils.IsPipelineApulu()
     return not utils.IsPipelineApulu()
Beispiel #5
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 def __isObjSupported():
     if utils.IsPipelineArtemis() or utils.IsPipelineApulu():
         return True
     return False
Beispiel #6
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 def __isIPv6RouteTableSupported():
     if utils.IsPipelineApulu():
         return False
     return True