import re
-from socket import AF_INET, AF_INET6, inet_ntop, inet_pton
+from socket import AF_INET, AF_INET6, inet_pton
+from enum import IntEnum
from ipaddress import ip_address
-from ipaddress import IPv4Network, IPv6Network, IPv4Address, IPv6Address
-from ipaddress import AddressValueError, NetmaskValueError
+from ipaddress import IPv4Network, IPv6Network
from resources.libraries.python.Constants import Constants
from resources.libraries.python.InterfaceUtil import InterfaceUtil
from resources.libraries.python.PapiExecutor import PapiExecutor
from resources.libraries.python.ssh import exec_cmd_no_error, exec_cmd
-from resources.libraries.python.topology import NodeType, Topology
+from resources.libraries.python.topology import Topology
+
+
+# from vpp/src/vnet/vnet/mpls/mpls_types.h
+MPLS_IETF_MAX_LABEL = 0xfffff
+MPLS_LABEL_INVALID = MPLS_IETF_MAX_LABEL + 1
+
+
+class AddressFamily(IntEnum):
+ """IP address family."""
+ ADDRESS_IP4 = 0
+ ADDRESS_IP6 = 1
+
+
+class FibPathType(IntEnum):
+ """FIB path types."""
+ FIB_PATH_TYPE_NORMAL = 0
+ FIB_PATH_TYPE_LOCAL = 1
+ FIB_PATH_TYPE_DROP = 2
+ FIB_PATH_TYPE_UDP_ENCAP = 3
+ FIB_PATH_TYPE_BIER_IMP = 4
+ FIB_PATH_TYPE_ICMP_UNREACH = 5
+ FIB_PATH_TYPE_ICMP_PROHIBIT = 6
+ FIB_PATH_TYPE_SOURCE_LOOKUP = 7
+ FIB_PATH_TYPE_DVR = 8
+ FIB_PATH_TYPE_INTERFACE_RX = 9
+ FIB_PATH_TYPE_CLASSIFY = 10
+
+
+class FibPathFlags(IntEnum):
+ """FIB path flags."""
+ FIB_PATH_FLAG_NONE = 0
+ FIB_PATH_FLAG_RESOLVE_VIA_ATTACHED = 1
+ FIB_PATH_FLAG_RESOLVE_VIA_HOST = 2
+
+
+class FibPathNhProto(IntEnum):
+ """FIB path next-hop protocol."""
+ FIB_PATH_NH_PROTO_IP4 = 0
+ FIB_PATH_NH_PROTO_IP6 = 1
+ FIB_PATH_NH_PROTO_MPLS = 2
+ FIB_PATH_NH_PROTO_ETHERNET = 3
+ FIB_PATH_NH_PROTO_BIER = 4
class IPUtil(object):
Note: A single interface may have multiple IP addresses assigned.
:rtype: list
"""
- try:
- sw_if_index = Topology.convert_interface_reference(
- node, interface, 'sw_if_index')
- except RuntimeError:
- if isinstance(interface, basestring):
- sw_if_index = InterfaceUtil.get_sw_if_index(node, interface)
- else:
- raise
-
- is_ipv6 = 1 if ip_version == 'ipv6' else 0
-
- cmd = 'ip_address_dump'
- cmd_reply = 'ip_address_details'
- args = dict(sw_if_index=sw_if_index,
- is_ipv6=is_ipv6)
- err_msg = 'Failed to get L2FIB dump on host {host}'.format(
- host=node['host'])
-
- with PapiExecutor(node) as papi_exec:
- papi_resp = papi_exec.add(cmd, **args).get_dump(err_msg)
+ sw_if_index = InterfaceUtil.get_interface_index(node, interface)
data = list()
- for item in papi_resp.reply[0]['api_reply']:
- item[cmd_reply]['ip'] = inet_ntop(AF_INET6, item[cmd_reply]['ip']) \
- if is_ipv6 else inet_ntop(AF_INET, item[cmd_reply]['ip'][0:4])
- item[cmd_reply]['netmask'] = str(
- IPv6Network(unicode('::/{pl}'.format(
- pl=item[cmd_reply]['prefix_length']))).netmask) if is_ipv6 \
- else str(IPv4Network(unicode('0.0.0.0/{pl}'.format(
- pl=item[cmd_reply]['prefix_length']))).netmask)
- data.append(item[cmd_reply])
+ if sw_if_index:
+ is_ipv6 = 1 if ip_version == 'ipv6' else 0
+
+ cmd = 'ip_address_dump'
+ cmd_reply = 'ip_address_details'
+ args = dict(sw_if_index=sw_if_index,
+ is_ipv6=is_ipv6)
+ err_msg = 'Failed to get L2FIB dump on host {host}'.format(
+ host=node['host'])
+
+ with PapiExecutor(node) as papi_exec:
+ papi_resp = papi_exec.add(cmd, **args).get_dump(err_msg)
+
+ for item in papi_resp.reply[0]['api_reply']:
+ item[cmd_reply]['ip'] = item[cmd_reply]['prefix'].split('/')[0]
+ item[cmd_reply]['prefix_length'] = int(
+ item[cmd_reply]['prefix'].split('/')[1])
+ item[cmd_reply]['is_ipv6'] = is_ipv6
+ item[cmd_reply]['netmask'] = \
+ str(IPv6Network(unicode('::/{pl}'.format(
+ pl=item[cmd_reply]['prefix_length']))).netmask) \
+ if is_ipv6 \
+ else str(IPv4Network(unicode('0.0.0.0/{pl}'.format(
+ pl=item[cmd_reply]['prefix_length']))).netmask)
+ data.append(item[cmd_reply])
return data
:returns: vrf ID of the specified interface.
:rtype: int
"""
- if isinstance(interface, basestring):
- sw_if_index = InterfaceUtil.get_sw_if_index(node, interface)
- else:
- sw_if_index = interface
+ sw_if_index = InterfaceUtil.get_interface_index(node, interface)
is_ipv6 = 1 if ip_version == 'ipv6' else 0
:type address: str
:type prefix_length: int
"""
- try:
- ip_addr = IPv6Address(unicode(address))
- af_inet = AF_INET6
- is_ipv6 = 1
- except (AddressValueError, NetmaskValueError):
- ip_addr = IPv4Address(unicode(address))
- af_inet = AF_INET
- is_ipv6 = 0
+ ip_addr = ip_address(unicode(address))
cmd = 'sw_interface_add_del_address'
args = dict(
sw_if_index=InterfaceUtil.get_interface_index(node, interface),
is_add=1,
- is_ipv6=is_ipv6,
+ is_ipv6=1 if ip_addr.version == 6 else 0,
del_all=0,
address_length=int(prefix_length) if prefix_length else 128
- if is_ipv6 else 32,
- address=inet_pton(af_inet, str(ip_addr)))
+ if ip_addr.version == 6 else 32,
+ address=inet_pton(
+ AF_INET6 if ip_addr.version == 6 else AF_INET, str(ip_addr)))
err_msg = 'Failed to add IP address on interface {ifc}'.format(
ifc=interface)
with PapiExecutor(node) as papi_exec:
:type ip_addr: str
:type mac_address: str
"""
- try:
- dst_ip = IPv6Address(unicode(ip_addr))
- except (AddressValueError, NetmaskValueError):
- dst_ip = IPv4Address(unicode(ip_addr))
+ dst_ip = ip_address(unicode(ip_addr))
neighbor = dict(
- sw_if_index=Topology.get_interface_sw_index(
- node, iface_key),
+ sw_if_index=Topology.get_interface_sw_index(node, iface_key),
flags=0,
mac_address=str(mac_address),
ip_address=str(dst_ip))
:type prefix_len: int
:type kwargs: dict
"""
- interface = kwargs.get('interface', None)
- gateway = kwargs.get('gateway', None)
-
- try:
- net_addr = IPv6Address(unicode(network))
- af_inet = AF_INET6
- is_ipv6 = 1
- except (AddressValueError, NetmaskValueError):
- net_addr = IPv4Address(unicode(network))
- af_inet = AF_INET
- is_ipv6 = 0
-
- if gateway:
- try:
- gt_addr = IPv6Address(unicode(gateway))
- af_inet_gt = AF_INET6
- except (AddressValueError, NetmaskValueError):
- gt_addr = IPv4Address(unicode(gateway))
- af_inet_gt = AF_INET
-
- cmd = 'ip_add_del_route'
- args = dict(
- next_hop_sw_if_index=InterfaceUtil.get_interface_index(
- node, interface) if interface else Constants.BITWISE_NON_ZERO,
+ interface = kwargs.get('interface', '')
+ gateway = kwargs.get('gateway', '')
+
+ net_addr = ip_address(unicode(network))
+
+ def union_addr(ip_addr):
+ """Creates union IP address.
+
+ :param ip_addr: IPv4 or IPv6 address.
+ :type ip_addr: IPv4Address or IPv6Address
+ :returns: Union IP address.
+ :rtype: dict
+ """
+ return dict(ip6=inet_pton(AF_INET6, str(ip_addr))) \
+ if ip_addr.version == 6 \
+ else dict(ip4=inet_pton(AF_INET, str(ip_addr)))
+
+ addr = dict(
+ af=getattr(
+ AddressFamily, 'ADDRESS_IP6' if net_addr.version == 6
+ else 'ADDRESS_IP4').value)
+ prefix = dict(address_length=int(prefix_len))
+
+ paths = list()
+ n_hop = dict(
+ address=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)),
+ n_paths=len(paths),
+ paths=paths)
+ cmd = 'ip_route_add_del'
+ args = dict(
is_add=1,
- is_ipv6=is_ipv6,
- is_local=int(kwargs.get('local', False)),
- is_multipath=int(kwargs.get('multipath', False)),
- next_hop_weight=int(kwargs.get('weight', 1)),
- next_hop_proto=1 if is_ipv6 else 0,
- dst_address_length=int(prefix_len),
- next_hop_address=inet_pton(af_inet_gt, str(gt_addr)) if gateway
- else 0,
- next_hop_table_id=int(kwargs.get('lookup_vrf', 0)))
+ is_multipath=int(kwargs.get('multipath', False)))
+
err_msg = 'Failed to add route(s) on host {host}'.format(
host=node['host'])
with PapiExecutor(node) as papi_exec:
for i in xrange(kwargs.get('count', 1)):
- papi_exec.add(cmd, dst_address=inet_pton(
- af_inet, str(net_addr+i)), **args)
+ addr['un'] = union_addr(net_addr + i)
+ prefix['address'] = addr
+ route['prefix'] = prefix
+ history = False if 1 < i < kwargs.get('count', 1) else True
+ papi_exec.add(cmd, history=history, route=route, **args)
+ if i > 0 and i % Constants.PAPI_MAX_API_BULK == 0:
+ papi_exec.get_replies(err_msg).verify_replies(
+ err_msg=err_msg)
papi_exec.get_replies(err_msg).verify_replies(err_msg=err_msg)
- @staticmethod
- def vpp_nodes_set_ipv4_addresses(nodes, nodes_addr):
- """Set IPv4 addresses on all VPP nodes in topology.
-
- :param nodes: Nodes of the test topology.
- :param nodes_addr: Available nodes IPv4 addresses.
- :type nodes: dict
- :type nodes_addr: dict
- :returns: Affected interfaces as list of (node, interface) tuples.
- :rtype: list
- """
- interfaces = []
- for net in nodes_addr.values():
- for port in net['ports'].values():
- host = port.get('node')
- if host is None:
- continue
- topo = Topology()
- node = topo.get_node_by_hostname(nodes, host)
- if node is None:
- continue
- if node['type'] != NodeType.DUT:
- continue
- iface_key = topo.get_interface_by_name(node, port['if'])
- IPUtil.vpp_interface_set_ip_address(
- node, iface_key, port['addr'], net['prefix'])
- interfaces.append((node, port['if']))
-
- return interfaces
-
@staticmethod
def flush_ip_addresses(node, interface):
- """Flush all IPv4addresses from specified interface.
+ """Flush all IP addresses from specified interface.
:param node: VPP node.
:param interface: Interface name.
:type ipv6: bool
"""
cmd = 'ip_table_add_del'
- args = dict(
+ table = dict(
table_id=int(table_id),
- is_ipv6=int(ipv6),
+ 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'])
def __exit__(self, exc_type, exc_val, exc_tb):
self._ssh.disconnect(self._node)
- def add(self, csit_papi_command="vpp-stats", **kwargs):
+ def add(self, csit_papi_command="vpp-stats", history=True, **kwargs):
"""Add next command to internal command list; return self.
The argument name 'csit_papi_command' must be unique enough as it cannot
be repeated in kwargs.
:param csit_papi_command: VPP API command.
+ :param history: Enable/disable adding command to PAPI command history.
:param kwargs: Optional key-value arguments.
:type csit_papi_command: str
+ :type history: bool
:type kwargs: dict
:returns: self, so that method chaining is possible.
:rtype: PapiExecutor
"""
- PapiHistory.add_to_papi_history(self._node, csit_papi_command, **kwargs)
+ if history:
+ PapiHistory.add_to_papi_history(
+ self._node, csit_papi_command, **kwargs)
self._api_command_list.append(dict(api_name=csit_papi_command,
api_args=kwargs))
return self
:rtype: dict or str or int
"""
if isinstance(val, dict):
- val_dict = dict()
for val_k, val_v in val.iteritems():
- val_dict[str(val_k)] = process_value(val_v)
- return val_dict
+ val[str(val_k)] = process_value(val_v)
+ return val
+ elif isinstance(val, list):
+ for idx, val_l in enumerate(val):
+ val[idx] = process_value(val_l)
+ return val
else:
return binascii.hexlify(val) if isinstance(val, str) else val
:returns: Processed API reply / a part of API reply.
:rtype: dict
"""
+ def process_value(val):
+ """Process value.
+
+ :param val: Value to be processed.
+ :type val: object
+ :returns: Processed value.
+ :rtype: dict or str or int
+ """
+ if isinstance(val, dict):
+ for val_k, val_v in val.iteritems():
+ val[str(val_k)] = process_value(val_v)
+ return val
+ elif isinstance(val, list):
+ for idx, val_l in enumerate(val):
+ val[idx] = process_value(val_l)
+ return val
+ elif isinstance(val, unicode):
+ return binascii.unhexlify(val)
+ else:
+ return val
+
reply_dict = dict()
reply_value = dict()
for reply_key, reply_v in api_r.iteritems():
for a_k, a_v in reply_v.iteritems():
- reply_value[a_k] = binascii.unhexlify(a_v) \
- if isinstance(a_v, unicode) else a_v
+ reply_value[a_k] = process_value(a_v)
reply_dict[reply_key] = reply_value
return reply_dict
Code Review / csit.git / commitdiff