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# Copyright (c) 2016 Cisco and/or its affiliates.
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at:
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Map utilities library."""
from resources.libraries.python.VatExecutor import VatExecutor
class Map(object):
"""Utilities for manipulating MAP feature in VPP."""
@staticmethod
def map_add_domain(vpp_node, ip4_pfx, ip6_pfx, ip6_src, ea_bits_len,
psid_offset, psid_len):
"""Add map domain on node.
:param vpp_node: VPP node to add map domain on.
:param ip4_pfx: Rule IPv4 prefix.
:param ip6_pfx: Rule IPv6 prefix.
:param ip6_src: MAP domain IPv6 BR address / Tunnel source.
:param ea_bits_len: Embedded Address bits length.
:param psid_offset: Port Set Identifier (PSID) offset.
:param psid_len: Port Set Identifier (PSID) length.
:type vpp_node: dict
:type ip4_pfx: str
:type ip6_pfx: str
:type ip6_src: str
:type ea_bits_len: int
:type psid_offset: int
:type psid_len: int
:return: Index of created map domain.
:rtype: int
:raises RuntimeError: If unable to add map domain.
"""
output = VatExecutor.cmd_from_template(vpp_node, "map_add_domain.vat",
ip4_pfx=ip4_pfx,
ip6_pfx=ip6_pfx,
ip6_src=ip6_src,
ea_bits_len=ea_bits_len,
psid_offset=psid_offset,
psid_len=psid_len)
if output[0]["retval"] == 0:
return output[0]["index"]
else:
raise RuntimeError('Unable to add map domain on node {}'
.format(vpp_node['host']))
@staticmethod
def map_add_rule(vpp_node, index, psid, dst, delete=False):
"""Add or delete map rule on node.
:param vpp_node: VPP node to add map rule on.
:param index: Map domain index to add rule to.
:param psid: Port Set Identifier.
:param dst: MAP CE IPv6 address.
:param delete: If set to True, delete rule. Default False.
:type vpp_node: dict
:type index: int
:type psid: int
:type dst: str
:type delete: bool
:raises RuntimeError: If unable to add map rule.
"""
output = VatExecutor.cmd_from_template(vpp_node, "map_add_del_rule.vat",
index=index,
psid=psid,
dst=dst,
delete='del' if delete else '')
if output[0]["retval"] != 0:
raise RuntimeError('Unable to add map rule on node {}'
.format(vpp_node['host']))
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