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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.
+
+"""IPFIX setup library"""
+
+from resources.libraries.python.topology import Topology
+from resources.libraries.python.VatExecutor import VatTerminal
+
+
+class IPFIXSetup(object):
+ """Class contains methods for seting up IPFIX reporting on DUTs."""
+
+ def __init__(self):
+ """Initializer."""
+ pass
+
+ @staticmethod
+ def setup_ipfix_exporter(node, collector, source, fib=None, mtu=None,
+ interval=None):
+ """Setup an IPFIX exporter on node to export collected flow data.
+
+ :param node: DUT node.
+ :param collector: IP address of flow data collector.
+ :param source: IP address of local interface to send flow data from.
+ :param fib: fib table ID.
+ :param mtu: Maximum transfer unit of path to collector.
+ :param interval: Frequency of sending template packets, in seconds.
+ :type node: dict
+ :type collector: str
+ :type source: str
+ :type fib: int
+ :type mtu: int
+ :type interval: int
+ """
+
+ fib = "vrf_id {0}".format(fib) if fib else ''
+ mtu = "path_mtu {0}".format(mtu) if mtu else ''
+ interval = "template_interval {0}".format(interval) if interval else ''
+
+ with VatTerminal(node, json_param=False) as vat:
+ vat.vat_terminal_exec_cmd_from_template('ipfix_exporter_set.vat',
+ collector=collector,
+ source=source,
+ fib=fib,
+ mtu=mtu,
+ interval=interval)
+
+ @staticmethod
+ def assign_interface_to_flow_table(node, interface, table_id,
+ ip_version='ip4'):
+ """Assigns a VPP interface to the specified classify table for IPFIX
+ flow data collection.
+
+ :param node: DUT node.
+ :param interface: An interface on the DUT node.
+ :param table_id: ID of a classify table.
+ :param ip_version: Version of IP protocol. Valid options are ip4, ip6.
+ :type node: dict
+ :type interface: str or int
+ :type table_id: int
+ :type ip_version: str
+ """
+
+ if isinstance(interface, basestring):
+ sw_if_index = Topology.get_interface_sw_index(node, interface)
+ elif isinstance(interface, int):
+ sw_if_index = interface
+ else:
+ raise TypeError
+
+ table = "{0}-table {1}".format(ip_version, table_id)
+
+ with VatTerminal(node, json_param=False) as vat:
+ vat.vat_terminal_exec_cmd_from_template(
+ "ipfix_interface_enable.vat",
+ interface=sw_if_index,
+ table=table,
+ delete='')
+
+ @staticmethod
+ def set_ipfix_stream(node, domain=None, src_port=None):
+ """Set an IPFIX export stream. Can be used to break up IPFIX reports
+ into separate reporting domains.
+
+ :param node: DUT node.
+ :param domain: Desired index number of exporting domain.
+ :param src_port: Source port to use when sending IPFIX packets. Default
+ is the standard IPFIX port 4739.
+ :type node: dict
+ :type domain: int
+ :type src_port: int
+ """
+
+ domain = "domain {0}".format(domain) if domain else ''
+ src_port = "src_port {0}".format(src_port) if src_port else ''
+
+ with VatTerminal(node, json_param=False) as vat:
+ vat.vat_terminal_exec_cmd_from_template("ipfix_stream_set.vat",
+ domain=domain,
+ src_port=src_port)
+
+ @staticmethod
+ def assign_classify_table_to_exporter(node, table_id, ip_version='ip4'):
+ """Assign a classify table to an IPFIX exporter. Classified packets will
+ be included in the IPFIX flow report.
+
+ :param node: DUT node.
+ :param table_id: ID of a classify table.
+ :param ip_version: Version of IP protocol. Valid options are ip4, ip6.
+ :type node: dict
+ :type table_id: int
+ :type ip_version: str
+ """
+
+ with VatTerminal(node, json_param=False) as vat:
+ vat.vat_terminal_exec_cmd_from_template("ipfix_table_add.vat",
+ table=table_id,
+ ip_version=ip_version,
+ add_del='add')