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# Copyright (c) 2018 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.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 DHCPRelayKeywords(object):
"""Keywords for NAT configuration."""
def __init__(self):
pass
@staticmethod
def _set_dhcp_relay_properties(node, path, data=None):
"""Set DHCP relay 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 is not
200 = OK or 201 = ACCEPTED.
"""
if data:
status_code, resp = HcUtil. \
put_honeycomb_data(node, "config_dhcp_relay", data, path,
data_representation=DataRepresentation.JSON)
else:
status_code, resp = HcUtil. \
delete_honeycomb_data(node, "config_dhcp_relay", path)
if status_code not in (HTTPCodes.OK, HTTPCodes.ACCEPTED):
raise HoneycombError(
"The configuration of DHCP relay was not successful. "
"Status code: {0}.".format(status_code))
return resp
@staticmethod
def add_dhcp_relay(node, data, ip_version, entry_id):
"""Add a DHCP relay entry to the list on entries.
:param node: Honeycomb node.
:param data: Configuration for the relay entry.
:param ip_version: IP protocol version, ipv4 or ipv6.
:param entry_id: Numeric ID.
:type node: dict
:type data: dict
:type ip_version: str
:type entry_id: int
:returns: Content of response.
:rtype: bytearray
"""
path = "/relay/vpp-fib-table-management:{0}/{1}".format(ip_version,
entry_id)
return DHCPRelayKeywords._set_dhcp_relay_properties(node, path, data)
@staticmethod
def clear_dhcp_relay_configuration(node):
"""Remove all DHCP relay configuration from the node.
:param node: Honeycomb node.
:type node: dict
:returns: Content of response.
:rtype: bytearray
"""
return DHCPRelayKeywords._set_dhcp_relay_properties(node, "")
@staticmethod
def get_dhcp_relay_oper_data(node):
"""Get operational data about the DHCP relay feature.
:param node: Honeycomb node.
:type node: dict
:returns: Content of response.
:rtype: bytearray
:raises HoneycombError: If the status code in response is not 200 = OK.
"""
status_code, resp = HcUtil. \
get_honeycomb_data(node, "config_dhcp_relay")
if status_code != HTTPCodes.OK:
raise HoneycombError(
"Could not retrieve DHCP relay configuration. "
"Status code: {0}.".format(status_code))
return resp
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