+ return dict(
+ len=int(addr_len),
+ address=addr
+ )
+
+ @staticmethod
+ def compose_vpp_route_structure(node, network, prefix_len, **kwargs):
+ """Create route object for ip_route_add_del api call.
+
+ :param node: VPP node.
+ :param network: Route destination network address.
+ :param prefix_len: Route destination network prefix length.
+ :param kwargs: Optional key-value arguments:
+
+ gateway: Route gateway address. (str)
+ interface: Route interface. (str)
+ vrf: VRF table ID. (int)
+ count: number of IP addresses to add starting from network IP (int)
+ local: The route is local with same prefix (increment is 1).
+ If None, then is not used. (bool)
+ lookup_vrf: VRF table ID for lookup. (int)
+ multipath: Enable multipath routing. (bool)
+ weight: Weight value for unequal cost multipath routing. (int)
+
+ :type node: dict
+ :type network: str
+ :type prefix_len: int
+ :type kwargs: dict
+ :returns: route parameter basic structure
+ :rtype: dict
+ """
+ interface = kwargs.get('interface', '')
+ gateway = kwargs.get('gateway', '')
+
+ net_addr = ip_address(unicode(network))
+
+ prefix = IPUtil.create_prefix_object(net_addr, prefix_len)
+
+ paths = list()
+ n_hop = dict(
+ address=IPUtil.union_addr(ip_address(unicode(gateway))) if gateway
+ else 0,
+ via_label=MPLS_LABEL_INVALID,
+ obj_id=Constants.BITWISE_NON_ZERO
+ )
+ path = dict(
+ sw_if_index=InterfaceUtil.get_interface_index(node, interface)
+ if interface else Constants.BITWISE_NON_ZERO,
+ table_id=int(kwargs.get('lookup_vrf', 0)),
+ rpf_id=Constants.BITWISE_NON_ZERO,
+ weight=int(kwargs.get('weight', 1)),
+ preference=1,
+ type=getattr(
+ FibPathType, 'FIB_PATH_TYPE_LOCAL'
+ if kwargs.get('local', False)
+ else 'FIB_PATH_TYPE_NORMAL').value,
+ flags=getattr(FibPathFlags, 'FIB_PATH_FLAG_NONE').value,
+ proto=getattr(
+ FibPathNhProto, 'FIB_PATH_NH_PROTO_IP6'
+ if net_addr.version == 6
+ else 'FIB_PATH_NH_PROTO_IP4').value,
+ nh=n_hop,
+ n_labels=0,
+ label_stack=list(0 for _ in range(16))
+ )
+ paths.append(path)
+
+ route = dict(
+ table_id=int(kwargs.get('vrf', 0)),
+ prefix=prefix,
+ n_paths=len(paths),
+ paths=paths
+ )
+ return route
+
+ @staticmethod
+ def vpp_route_add(node, network, prefix_len, **kwargs):
+ """Add route to the VPP node.
+
+ :param node: VPP node.
+ :param network: Route destination network address.
+ :param prefix_len: Route destination network prefix length.
+ :param kwargs: Optional key-value arguments:
+
+ gateway: Route gateway address. (str)
+ interface: Route interface. (str)
+ vrf: VRF table ID. (int)
+ count: number of IP addresses to add starting from network IP (int)
+ local: The route is local with same prefix (increment is 1).
+ If None, then is not used. (bool)
+ lookup_vrf: VRF table ID for lookup. (int)
+ multipath: Enable multipath routing. (bool)
+ weight: Weight value for unequal cost multipath routing. (int)
+
+ :type node: dict
+ :type network: str
+ :type prefix_len: int
+ :type kwargs: dict
+ """
+ count = kwargs.get("count", 1)
+
+ if count > 100:
+ gateway = kwargs.get("gateway", '')
+ interface = kwargs.get("interface", '')
+ vrf = kwargs.get("vrf", None)
+ multipath = kwargs.get("multipath", False)
+
+ with VatTerminal(node, json_param=False) as vat:
+ vat.vat_terminal_exec_cmd_from_template(
+ 'vpp_route_add.vat',
+ network=network,
+ prefix_length=prefix_len,
+ via='via {}'.format(gateway) if gateway else '',
+ sw_if_index='sw_if_index {}'.format(
+ InterfaceUtil.get_interface_index(node, interface))
+ if interface else '',
+ vrf='vrf {}'.format(vrf) if vrf else '',
+ count='count {}'.format(count) if count else '',
+ multipath='multipath' if multipath else '')
+ return
+
+ net_addr = ip_address(unicode(network))
+ cmd = 'ip_route_add_del'
+ args = dict(
+ is_add=1,
+ is_multipath=int(kwargs.get('multipath', False)),
+ route=None
+ )
+
+ err_msg = 'Failed to add route(s) on host {host}'.format(
+ host=node['host'])
+ with PapiSocketExecutor(node) as papi_exec:
+ for i in xrange(kwargs.get('count', 1)):
+ args['route'] = IPUtil.compose_vpp_route_structure(
+ node, net_addr + i, prefix_len, **kwargs)
+ history = False if 1 < i < kwargs.get('count', 1) else True
+ papi_exec.add(cmd, history=history, **args)
+ papi_exec.get_replies(err_msg)
+
+ @staticmethod
+ def flush_ip_addresses(node, interface):
+ """Flush all IP addresses from specified interface.
+
+ :param node: VPP node.
+ :param interface: Interface name.
+ :type node: dict
+ :type interface: str
+ """
+ cmd = 'sw_interface_add_del_address'
+ args = dict(
+ sw_if_index=InterfaceUtil.get_interface_index(node, interface),
+ is_add=False,
+ del_all=True
+ )
+ err_msg = 'Failed to flush IP address on interface {ifc}'.format(
+ ifc=interface)
+ with PapiSocketExecutor(node) as papi_exec:
+ papi_exec.add(cmd, **args).get_reply(err_msg)
+
+ @staticmethod
+ def add_fib_table(node, table_id, ipv6=False):
+ """Create new FIB table according to ID.
+
+ :param node: Node to add FIB on.
+ :param table_id: FIB table ID.
+ :param ipv6: Is this an IPv6 table
+ :type node: dict
+ :type table_id: int
+ :type ipv6: bool
+ """
+ cmd = 'ip_table_add_del'
+ table = dict(
+ table_id=int(table_id),
+ is_ip6=int(ipv6))
+ args = dict(
+ table=table,
+ is_add=1)
+ err_msg = 'Failed to add FIB table on host {host}'.format(
+ host=node['host'])
+ with PapiSocketExecutor(node) as papi_exec:
+ papi_exec.add(cmd, **args).get_reply(err_msg)