# Copyright (c) 2020 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 deterministic mode in circular topology | | [Documentation] | Initialization of NAT44 deterministic mode on DUT1 | | | | Configure inside and outside interfaces | | ... | ${dut1} | ${DUT1_${int}1}[0] | ${DUT1_${int}2}[0] | | Configure deterministic mode for NAT44 | | ... | ${dut1} | ${in_net} | ${in_mask} | ${out_net} | ${out_mask} | Initialize NAT44 endpoint-dependent mode in circular topology | | [Documentation] | Initialization of NAT44 endpoint-dependent mode on DUT1 | | | | Configure inside and outside interfaces | | ... | ${dut1} | ${DUT1_${int}1}[0] | ${DUT1_${int}2}[0] | | Set NAT44 Address Range | | ... | ${dut1} | ${out_net} | ${out_net_end} # TODO: Remove when 'ip4.Initialize IPv4 forwarding in circular topology' KW # adapted to use IP values from variables | Initialize IPv4 forwarding for NAT44 in circular topology | | [Documentation] | | ... | Set IPv4 forwarding for NAT44: | | ... | - set interfaces up | | ... | - set IP addresses | | ... | - set ARP | | ... | - create routes | | | | ${status} | ${value}= | Run Keyword And Ignore Error | | ... | Variable Should Exist | ${dut2} | | ${dut2_status}= | Set Variable If | '${status}' == 'PASS' | ${True} | | ... | ${False} | | | | Set interfaces in path up | | | | VPP Interface Set IP Address | | ... | ${dut1} | ${DUT1_${int}1}[0] | ${dut1_if1_ip4} | ${dut1_if1_mask} | | VPP Interface Set IP Address | | ... | ${dut1} | ${DUT1_${int}2}[0] | ${dut1_if2_ip4} | ${dut1_if2_mask} | | Run Keyword If | ${dut2_status} | | ... | VPP Interface Set IP Address | | ... | ${dut2} | ${DUT2_${int}1}[0] | ${dut2_if1_ip4} | ${dut2_if1_mask} | | Run Keyword If | ${dut2_status} | | ... | VPP Interface Set IP Address | | ... | ${dut2} | ${DUT2_${int}2}[0] | ${dut2_if2_ip4} | ${dut2_if2_mask} | | | | VPP Add IP Neighbor | | ... | ${dut1} | ${DUT1_${int}1}[0] | ${tg_if1_ip4} | ${TG_pf1_mac}[0] | | Run Keyword If | ${dut2_status} | | ... | VPP Add IP Neighbor | | ... | ${dut1} | ${DUT1_${int}2}[0] | ${dut2_if1_ip4} | | ... | ${DUT2_${int}1_mac}[0] | | ... | ELSE | VPP Add IP Neighbor | | ... | ${dut1} | ${DUT1_${int}2}[0] | ${tg_if2_ip4} | ${TG_pf2_mac}[0] | | Run Keyword If | ${dut2_status} | | ... | VPP Add IP Neighbor | | ... | ${dut2} | ${DUT2_${int}1}[0] | ${dut1_if1_ip4} | | ... | ${DUT1_${int}2_mac}[0] | | Run Keyword If | ${dut2_status} | | ... | VPP Add IP Neighbor | | ... | ${dut2} | ${DUT2_${int}2}[0] | ${tg_if2_ip4}| ${TG_pf2_mac}[0] | | | | Vpp Route Add | | ... | ${dut1} | ${in_net} | ${in_mask} | gateway=${tg_if1_ip4} | | ... | interface=${DUT1_${int}1}[0] | | Run Keyword If | ${dut2_status} | | ... | Vpp Route Add | | ... | ${dut1} | ${dest_net} | ${dest_mask} | gateway=${dut2_if1_ip4} | | ... | interface=${DUT1_${int}2}[0] | | ... | ELSE | Vpp Route Add | | ... | ${dut1} | ${dest_net} | ${dest_mask} | gateway=${tg_if2_ip4} | | ... | interface=${DUT1_${int}2}[0] | | Run Keyword If | ${dut2_status} | | ... | Vpp Route Add | | ... | ${dut2} | ${dest_net} | ${dest_mask} | gateway=${tg_if2_ip4} | | ... | interface=${DUT2_${int}2}[0] | | Run Keyword If | ${dut2_status} | | ... | Vpp Route Add | | ... | ${dut2} | ${out_net} | ${out_mask} | gateway=${dut1_if2_ip4} | | ... | interface=${DUT2_${int}1}[0]