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-rw-r--r--resources/libraries/python/honeycomb/NAT.py143
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diff --git a/resources/libraries/python/honeycomb/NAT.py b/resources/libraries/python/honeycomb/NAT.py
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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.
+
+"""Keywords to manipulate NAT configuration using Honeycomb REST API."""
+
+from resources.libraries.python.topology import Topology
+from resources.libraries.python.HTTPRequest import HTTPCodes
+from resources.libraries.python.honeycomb.HoneycombSetup import HoneycombError
+from resources.libraries.python.honeycomb.HoneycombUtil \
+ import DataRepresentation
+from resources.libraries.python.honeycomb.HoneycombUtil \
+ import HoneycombUtil as HcUtil
+
+
+class NATKeywords(object):
+ """Keywords for NAT configuration."""
+
+ def __init__(self):
+ pass
+
+ @staticmethod
+ def _set_nat_properties(node, path, data=None):
+ """Set NAT properties and check the return code.
+
+ :param node: Honeycomb node.
+ :param path: Path which is added to the base path to identify the data.
+ :param data: The new data to be set. If None, the item will be removed.
+ :type node: dict
+ :type path: str
+ :type data: dict
+ :returns: Content of response.
+ :rtype: bytearray
+ :raises HoneycombError: If the status code in response to PUT is not
+ OK or ACCEPTED.
+ """
+
+ if data:
+ status_code, resp = HcUtil. \
+ put_honeycomb_data(node, "config_nat", data, path,
+ data_representation=DataRepresentation.JSON)
+ else:
+ status_code, resp = HcUtil. \
+ delete_honeycomb_data(node, "config_nat", path)
+
+ if status_code not in (HTTPCodes.OK, HTTPCodes.ACCEPTED):
+ raise HoneycombError(
+ "The configuration of NAT was not successful. "
+ "Status code: {0}.".format(status_code))
+ return resp
+
+ @staticmethod
+ def get_nat_oper_data(node):
+ """Read NAT operational data.
+
+ :param node: Honeycomb node.
+ :type node: dict
+ :returns: Content of response.
+ :rtype: bytearray
+ :raises HoneycombError: If the operation fails or the response
+ is not as expected.
+ """
+
+ status_code, resp = HcUtil.get_honeycomb_data(node, "oper_nat")
+
+ if status_code != HTTPCodes.OK:
+ raise HoneycombError("Could not retrieve NAT operational data.")
+
+ if "nat-state" not in resp.keys():
+ raise HoneycombError(
+ "Unexpected format, response does not contain nat-state.")
+ return resp['nat-state']
+
+ @staticmethod
+ def configure_nat_entries(node, data, instance=0, entry=1):
+ """Configure NAT entries on node.
+
+ :param node: Honeycomb node.
+ :param data: Data to be configured on node.
+ :param instance: NAT instance ID.
+ :param entry: NAT entry index.
+ :type node: dict
+ :type data: dict
+ :type instance: int
+ :type entry: int
+ :returns: Content of response.
+ :rtype: bytearray
+ """
+
+ return NATKeywords._set_nat_properties(
+ node,
+ '/nat-instances/nat-instance/{0}/'
+ 'mapping-table/mapping-entry/{1}/'.format(instance, entry),
+ data)
+
+ @staticmethod
+ def configure_nat_on_interface(node, interface, direction, delete=False):
+ """Configure NAT on the specified interface.
+
+ :param node: Honeycomb node.
+ :param interface: Name of an interface on the node.
+ :param direction: NAT direction, outbound or inbound.
+ :param delete: Delete an existing interface NAT configuration.
+ :type node: dict
+ :type interface: str
+ :type direction: str
+ :type delete: bool
+ :returns: Content of response.
+ :rtype: bytearray
+ :raises HoneycombError: If the operation fails.
+ """
+
+ interface = Topology.convert_interface_reference(
+ node, interface, "name")
+
+ interface = interface.replace("/", "%2F")
+ path = "/interface/{0}/interface-nat:nat/{1}".format(
+ interface, direction)
+
+ data = {direction: {}}
+
+ if delete:
+ status_code, resp = HcUtil.delete_honeycomb_data(
+ node, "config_vpp_interfaces", path)
+ else:
+ status_code, resp = HcUtil.put_honeycomb_data(
+ node, "config_vpp_interfaces", data, path)
+
+ if status_code not in (HTTPCodes.OK, HTTPCodes.ACCEPTED):
+ raise HoneycombError(
+ "Could not configure NAT on interface. "
+ "Status code: {0}.".format(status_code))
+
+ return resp