# Copyright (c) 2019 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. *** Settings *** | Library | resources.libraries.python.NATUtil | | Documentation | Keywords for NAT feature in VPP. *** Keywords *** | Configure inside and outside interfaces | | [Documentation] | Configure inside and outside interfaces for NAT44. | | | | ... | *Arguments:* | | ... | - node - DUT node to set NAT44 interfaces on. Type: dictionary | | ... | - int_in - Inside interface. Type: string | | ... | - int_out - Outside interface. Type: string | | | | ... | *Example:* | | | | ... | \| Configure inside and outside interfaces \| ${nodes['DUT1']} \ | | ... | \| FortyGigabitEtherneta/0/0 \| FortyGigabitEtherneta/0/1 \| | | | | [Arguments] | ${node} | ${int_in} | ${int_out} | | | | ${int_in_name}= | Set variable | ${node['interfaces']['${int_in}']['name']} | | ${int_out_name}= | Set variable | ${node['interfaces']['${int_out}']['name']} | | Set NAT44 Interfaces | ${node} | ${int_in_name} | ${int_out_name} | Configure deterministic mode for NAT44 | | [Documentation] | Set deterministic behaviour of NAT44. | | | | ... | *Arguments:* | | ... | - node - DUT node to set deterministic mode for NAT44 on. | | ... | Type: dictionary | | ... | - ip_in - Inside IP. Type: string | | ... | - subnet_in - Inside IP subnet. Type: string | | ... | - ip_out - Outside IP. Type: string | | ... | - subnet_out - Outside IP subnet. Type: string | | | | ... | *Example:* | | | | ... | \| Configure deterministic mode for NAT44 \| ${nodes['DUT1']} \ | | ... | \| 100.0.0.0 \| 12 \| 12.1.1.0 \| 24 \| | | | | [Arguments] | ${node} | ${ip_in} | ${subnet_in} | ${ip_out} | ${subnet_out} | | | | Set NAT44 deterministic | ${node} | ${ip_in} | ${subnet_in} | ${ip_out} | | ... | ${subnet_out} | Show NAT verbose | | [Documentation] | Get the NAT settings on the node. | | | | ... | *Arguments:* | | ... | - node - DUT node to show NAT. Type: dictionary | | | | ... | *Example:* | | | | ... | \| Show NAT verbose \| ${nodes['DUT1']} \| | | | | [Arguments] | ${node} | | | | Show NAT | ${node} | Initialize NAT44 in circular topology | | [Documentation] | Initialization of 2-node / 3-node topology with NAT44 | | ... | between DUTs: | | ... | - set interfaces up | | ... | - set IP addresses | | ... | - set ARP | | ... | - create routes | | ... | - set NAT44 - only on DUT1 | | | | ${dut2_status} | ${value}= | Run Keyword And Ignore Error | | ... | Variable Should Exist | ${dut2} | | | | Set interfaces in path up | | | | VPP Interface Set IP Address | ${dut1} | ${dut1_if1} | 10.0.0.1 | 20 | | Run Keyword If | '${dut2_status}' == 'PASS' | | ... | VPP Interface Set IP Address | ${dut1} | ${dut1_if2} | | ... | 11.0.0.1 | 20 | | Run Keyword If | '${dut2_status}' == 'PASS' | | ... | VPP Interface Set IP Address | ${dut2} | ${dut2_if1} | | ... | 11.0.0.2 | 20 | | ${dut}= | Run Keyword If | '${dut2_status}' == 'PASS' | | ... | Set Variable | ${dut2} | | ... | ELSE | Set Variable | ${dut1} | | ${dut_if2}= | Run Keyword If | '${dut2_status}' == 'PASS' | | ... | Set Variable | ${dut2_if2} | | ... | ELSE | Set Variable | ${dut1_if2} | | VPP Interface Set IP Address | ${dut} | ${dut_if2} | 12.0.0.1 | 20 | | | | VPP Add IP Neighbor | ${dut1} | ${dut1_if1} | 10.0.0.2 | ${tg_if1_mac} | | Run Keyword If | '${dut2_status}' == 'PASS' | | ... | VPP Add IP Neighbor | | ... | ${dut1} | ${dut1_if2} | 11.0.0.2 | ${dut2_if1_mac} | | Run Keyword If | '${dut2_status}' == 'PASS' | | ... | VPP Add IP Neighbor | | ... | ${dut2} | ${dut2_if1} | 11.0.0.1 | ${dut1_if2_mac} | | VPP Add IP Neighbor | ${dut} | ${dut_if2} | 12.0.0.2 | ${tg_if2_mac} | | | | Vpp Route Add | ${dut1} | 20.0.0.0 | 18 | gateway=10.0.0.2 | | ... | interface=${dut1_if1} | | Run Keyword If | '${dut2_status}' == 'PASS' | | ... | Vpp Route Add | ${dut1} | 12.0.0.2 | 32 | gateway=11.0.0.2 | | ... | interface=${dut1_if2} | | Run Keyword If | '${dut2_status}' == 'PASS' | | ... | Vpp Route Add | ${dut2} | 12.0.0.0 | 24 | gateway=12.0.0.2 | | ... | interface=${dut2_if2} | | Run Keyword If | '${dut2_status}' == 'PASS' | | ... | Vpp Route Add | ${dut2} | 200.0.0.0 | 30 | gateway=11.0.0.1 | | ... | interface=${dut2_if1} | | | | Configure inside and outside interfaces | | ... | ${dut1} | ${dut1_if1} | ${dut1_if2} | | Configure deterministic mode for NAT44 | | ... | ${dut1} | 20.0.0.0 | 18 | 200.0.0.0 | 30