"""Routing utilities library."""
-from VatExecutor import VatTerminal
-from topology import Topology
-
+from resources.libraries.python.VatExecutor import VatTerminal
+from resources.libraries.python.topology import Topology
+from resources.libraries.python.ssh import exec_cmd_no_error
class Routing(object):
+
"""Routing utilities."""
@staticmethod
- def vpp_route_add(node, network, prefix_len, gateway, interface):
+ def vpp_route_add(node, network, prefix_len, gateway=None,
+ interface=None, use_sw_index=True, resolve_attempts=10,
+ count=1, vrf=None, lookup_vrf=None):
"""Add route to the VPP node.
:param node: Node to add route on.
:param prefix_len: Route destination network prefix length.
:param gateway: Route gateway address.
:param interface: Route interface.
+ :param vrf: VRF table ID (Optional).
+ :param use_sw_index: Use sw_if_index in VAT command.
+ :param resolve_attempts: Resolve attempts IP route add parameter.
+ :param count: number of IP addresses to add starting from network IP
+ with same prefix (increment is 1). If None, then is not used.
+ :param lookup_vrf: VRF table ID for lookup.
:type node: dict
:type network: str
:type prefix_len: int
:type gateway: str
:type interface: str
+ :type use_sw_index: bool
+ :type resolve_attempts: int
+ :type count: int
+ :type vrf: int
+ :type lookup_vrf: int
"""
- sw_if_index = Topology.get_interface_sw_index(node, interface)
- with VatTerminal(node) as vat:
+ if use_sw_index:
+ int_cmd = ('sw_if_index {}'.
+ format(Topology.get_interface_sw_index(node, interface)))
+ else:
+ int_cmd = interface
+
+ rap = 'resolve-attempts {}'.format(resolve_attempts) \
+ if resolve_attempts else ''
+
+ via = 'via {}'.format(gateway) if gateway else ''
+
+ cnt = 'count {}'.format(count) \
+ if count else ''
+
+ vrf = 'vrf {}'.format(vrf) if vrf else ''
+
+ lookup_vrf = 'lookup-in-vrf {}'.format(lookup_vrf) if lookup_vrf else ''
+
+ with VatTerminal(node, json_param=False) as vat:
vat.vat_terminal_exec_cmd_from_template('add_route.vat',
network=network,
prefix_length=prefix_len,
- gateway=gateway,
- sw_if_index=sw_if_index)
+ via=via,
+ vrf=vrf,
+ interface=int_cmd,
+ resolve_attempts=rap,
+ count=cnt,
+ lookup_vrf=lookup_vrf)
+
+ @staticmethod
+ def add_fib_table(node, network, prefix_len, fib_id, place):
+ """Create new FIB table according to ID.
+
+ :param node: Node to add FIB on.
+ :param network: IP address to add to the FIB table.
+ :param prefix_len: IP address prefix length.
+ :param fib_id: FIB table ID.
+ :param place: Possible variants are local, drop.
+ :type node: dict
+ :type network: str
+ :type prefix_len: int
+ :type fib_id: int
+ :type place: str
+ """
+ with VatTerminal(node) as vat:
+ vat.vat_terminal_exec_cmd_from_template('add_fib_table.vat',
+ network=network,
+ prefix_length=prefix_len,
+ fib_number=fib_id,
+ where=place)
+
+ @staticmethod
+ def add_route(node, ip, prefix, gw, namespace=None):
+ """Add route in namespace.
+
+ :param node: Node where to execute command.
+ :param ip: Route destination IP.
+ :param prefix: IP prefix.
+ :param namespace: Execute command in namespace. Optional
+ :param gw: Gateway.
+ :type node: dict
+ :type ip: str
+ :type prefix: int
+ :type gw: str
+ :type namespace: str
+ """
+ if namespace is not None:
+ cmd = 'ip netns exec {} ip route add {}/{} via {}'.format(
+ namespace, ip, prefix, gw)
+ else:
+ cmd = 'ip route add {}/{} via {}'.format(ip, prefix, gw)
+ exec_cmd_no_error(node, cmd, sudo=True)