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authorselias <samelias@cisco.com>2016-12-16 15:28:39 +0100
committerPeter Mikus <pmikus@cisco.com>2017-01-10 13:05:13 +0000
commit954e51613f8dbd4f2fa4a7c2cf7c066176bee963 (patch)
treed572e42249a63bb5b89ed4d5743d9d9c492d821b /resources/libraries/python/NAT.py
parente3ed9257cd7ef50b44eca72ef7d9ae6c7c792647 (diff)
CSIT-482: HC Test - NAT
- add NAT test suite - add keywords and methods for configuring and reading NAT settings - add test data used in NAT suite Change-Id: Iaa2ac1eb156bc9bcff41ec242318f6a973210d38 Signed-off-by: selias <samelias@cisco.com>
Diffstat (limited to 'resources/libraries/python/NAT.py')
-rw-r--r--resources/libraries/python/NAT.py107
1 files changed, 107 insertions, 0 deletions
diff --git a/resources/libraries/python/NAT.py b/resources/libraries/python/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.
+
+"""NAT utilities library."""
+
+from resources.libraries.python.VatExecutor import VatExecutor
+
+
+class NATUtil(object):
+ """NAT utilities."""
+
+ def __init__(self):
+ pass
+
+ @staticmethod
+ def vpp_get_nat_static_mappings(node):
+ """Get NAT static mappings from VPP node.
+
+ :param node: VPP node.
+ :type node: dict
+ :returns: List of static mappings.
+ :rtype: list
+ :raises RuntimeError: If the output is not as expected.
+ """
+
+ vat = VatExecutor()
+ # JSON output not supported for this command
+ vat.execute_script('snat/snat_mapping_dump.vat', node, json_out=False)
+
+ stdout = vat.get_script_stdout()
+ lines = stdout.split("\n")
+
+ data = []
+ # lines[0,1] are table and column headers
+ for line in lines[2::]:
+ items = line.split(" ")
+ while "" in items:
+ items.remove("")
+ if len(items) == 0:
+ continue
+ elif len(items) == 3:
+ # no ports were returned
+ data.append({
+ "local_address": items[0],
+ "remote_address": items[1],
+ "vrf": items[2]
+ })
+ elif len(items) == 5:
+ data.append({
+ "local_address": items[0],
+ "local_port": items[1],
+ "remote_address": items[2],
+ "remote_port": items[3],
+ "vrf": items[4]
+ })
+ else:
+ raise RuntimeError("Unexpected output from span_mapping_dump.")
+
+ return data
+
+ @staticmethod
+ def vpp_get_nat_interfaces(node):
+ """Get list of interfaces configured with NAT from VPP node.
+
+ :param node: VPP node.
+ :type node: dict
+ :returns: List of interfaces on the node that are configured with NAT.
+ :rtype: list
+ :raises RuntimeError: If the output is not as expected.
+ """
+
+ vat = VatExecutor()
+ # JSON output not supported for this command
+ vat.execute_script('snat/snat_interface_dump.vat', node,
+ json_out=False)
+
+ stdout = vat.get_script_stdout()
+ lines = stdout.split("\n")
+
+ data = []
+ for line in lines:
+ items = line.split(" ")
+ while "" in items:
+ items.remove("")
+ if len(items) == 0:
+ continue
+ elif len(items) == 3:
+ data.append({
+ # items[0] is the table header - "sw_if_index"
+ "sw_if_index": items[1],
+ "direction": items[2]
+ })
+ else:
+ raise RuntimeError(
+ "Unexpected output from span_interface_dump.")
+
+ return data