' interface {}.'
.format(vpp_node, interface))
+
+class DhcpProxy(object):
+ """DHCP Proxy utilities."""
+
@staticmethod
def dhcp_proxy_config(vpp_node, server_address, source_address):
"""Set DHCP proxy.
:type timeout: int
:raises RuntimeError: ICMP echo Rx timeout.
:raises RuntimeError: DHCP REQUEST Rx timeout.
- :raises RuntimeError: DHCP DISCOVER timeout.
+ :raises RuntimeError: DHCP DISCOVER Rx timeout.
:raises RuntimeError: TCP/UDP Rx timeout.
:raises RuntimeError: ARP reply timeout.
:raises RuntimeError: Traffic script execution failed.
raise RuntimeError("ICMP echo Rx timeout")
elif "RuntimeError: DHCP REQUEST Rx timeout" in stderr:
raise RuntimeError("DHCP REQUEST Rx timeout")
- elif "RuntimeError('DHCP DISCOVER timeout')" in stderr:
- raise RuntimeError("DHCP DISCOVER timeout")
+ elif "RuntimeError: DHCP DISCOVER Rx timeout" in stderr:
+ raise RuntimeError("DHCP DISCOVER Rx timeout")
elif "RuntimeError: TCP/UDP Rx timeout" in stderr:
raise RuntimeError("TCP/UDP Rx timeout")
elif "Error occurred: ARP reply timeout" in stdout:
| | ... | --lease_time | ${lease_time}
| | Run Traffic Script On Node | dhcp/check_dhcp_request_ack.py
| | ... | ${tg_node} | ${args}
-
-| Send DHCP Messages
-| | [Documentation] | Send and receive DHCP messages between client
-| | ... | and server through DHCP proxy.
-| | ...
-| | ... | *Arguments:*
-| | ... | - tg_node - TG node. Type: dictionary
-| | ... | - tg_interface1 - TG interface. Type: string
-| | ... | - tg_interface2 - TG interface. Type: string
-| | ... | - server_ip - DHCP server IP address. Type: string
-| | ... | - server_mac - DHCP server MAC address. Type: string
-| | ... | - client_ip - Client IP address. Type: string
-| | ... | - client_mac - Client MAC address. Type: string
-| | ... | - proxy_ip - DHCP proxy IP address. Type: string
-| | ...
-| | ... | *Return:*
-| | ... | - No value returned.
-| | ...
-| | ... | *Example:*
-| | ...
-| | ... | \| Send DHCP Messages \| ${nodes['TG']} \
-| | ... | \| eth3 \| eth4 \| 192.168.0.100 \| 08:00:27:cc:4f:54 \
-| | ... | \| 172.16.0.2 \| 08:00:27:64:18:d2 \| 172.16.0.1 \|
-| | ...
-| | [Arguments] | ${tg_node} | ${tg_interface1} | ${tg_interface2}
-| | ... | ${server_ip} | ${server_mac} | ${client_ip} | ${client_mac}
-| | ... | ${proxy_ip} |
-| | ${tg_interface_name1}= | Get interface name | ${tg_node} | ${tg_interface1}
-| | ${tg_interface_name2}= | Get interface name | ${tg_node} | ${tg_interface2}
-| | ${args}= | Catenate | --tx_if | ${tg_interface_name1}
-| | ... | --rx_if | ${tg_interface_name2}
-| | ... | --server_ip | ${server_ip}
-| | ... | --server_mac | ${server_mac}
-| | ... | --client_ip | ${client_ip}
-| | ... | --client_mac | ${client_mac}
-| | ... | --proxy_ip | ${proxy_ip}
-| | Run Traffic Script On Node | dhcp/send_dhcp_messages.py
-| | ... | ${tg_node} | ${args}
-
-| Send DHCP DISCOVER
-| | [Documentation] | Send and receive DHCP DISCOVER.
-| | ...
-| | ... | *Arguments:*
-| | ... | - tg_node - TG node. Type: dictionary
-| | ... | - tg_interface1 - TG interface. Type: string
-| | ... | - tg_interface2 - TG interface. Type: string
-| | ... | - tx_src_ip - Source address of DHCP DISCOVER packet. Type: string
-| | ... | - tx_dst_ip - Destination address of DHCP DISCOVER packet. Type: string
-| | ...
-| | ... | *Return:*
-| | ... | - No value returned.
-| | ...
-| | ... | *Example:*
-| | ...
-| | ... | \| Send DHCP DISCOVER \| ${nodes['TG']} \
-| | ... | \| eth3 \| eth4 \| 0.0.0.0 \| 255.255.255.255 \|
-| | ...
-| | [Arguments] | ${tg_node} | ${tg_interface1} | ${tg_interface2}
-| | ... | ${tx_src_ip} | ${tx_dst_ip} |
-| | ${tg_interface_name1}= | Get interface name | ${tg_node} | ${tg_interface1}
-| | ${tg_interface_name2}= | Get interface name | ${tg_node} | ${tg_interface2}
-| | ${args}= | Catenate | --tx_if | ${tg_interface_name1}
-| | ... | --rx_if | ${tg_interface_name2}
-| | ... | --tx_src_ip | ${tx_src_ip}
-| | ... | --tx_dst_ip | ${tx_dst_ip}
-| | Run Traffic Script On Node | dhcp/send_dhcp_discover.py
-| | ... | ${tg_node} | ${args}
-
-| Send DHCP DISCOVER should fail
-| | [Documentation] | Send and receive DHCP DISCOVER should fail.
-| | ...
-| | ... | *Arguments:*
-| | ... | - tg_node - TG node. Type: dictionary
-| | ... | - tg_interface1 - TG interface. Type: string
-| | ... | - tg_interface2 - TG interface. Type: string
-| | ... | - tx_src_ip - Source address of DHCP DISCOVER packet. Type: string
-| | ... | - tx_dst_ip - Destination address of DHCP DISCOVER packet. Type: string
-| | ...
-| | ... | *Return:*
-| | ... | - No value returned.
-| | ...
-| | ... | *Example:*
-| | ...
-| | ... | \| Send DHCP DISCOVER should fail \| ${nodes['TG']} \
-| | ... | \| eth3 \| eth4 \| 0.0.0.0 \| 255.255.255.255 \|
-| | ...
-| | [Arguments] | ${tg_node} | ${tg_interface1} | ${tg_interface2}
-| | ... | ${tx_src_ip} | ${tx_dst_ip} |
-| | ${tg_interface_name1}= | Get interface name | ${tg_node} | ${tg_interface1}
-| | ${tg_interface_name2}= | Get interface name | ${tg_node} | ${tg_interface2}
-| | ${args}= | Catenate | --tx_if | ${tg_interface_name1}
-| | ... | --rx_if | ${tg_interface_name2}
-| | ... | --tx_src_ip | ${tx_src_ip}
-| | ... | --tx_dst_ip | ${tx_dst_ip}
-| | Run Keyword And Expect Error | DHCP DISCOVER timeout
-| | ... | Run Traffic Script On Node | dhcp/send_dhcp_discover.py
-| | ... | ${tg_node} | ${args}
--- /dev/null
+# 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.
+
+*** Settings ***
+| Library | Collections
+| Resource | resources/libraries/robot/default.robot
+| Library | resources.libraries.python.Dhcp.DhcpProxy
+| Library | resources.libraries.python.TrafficScriptExecutor
+| Documentation | DHCP Proxy specific keywords.
+
+*** Keywords ***
+| Send DHCP Messages
+| | [Documentation] | Send and receive DHCP messages between client
+| | ... | and server through DHCP proxy.
+| | ...
+| | ... | *Arguments:*
+| | ... | - tg_node - TG node. Type: dictionary
+| | ... | - tg_interface1 - TG interface. Type: string
+| | ... | - tg_interface2 - TG interface. Type: string
+| | ... | - server_ip - DHCP server IP address. Type: string
+| | ... | - server_mac - DHCP server MAC address. Type: string
+| | ... | - client_ip - Client IP address. Type: string
+| | ... | - client_mac - Client MAC address. Type: string
+| | ... | - proxy_ip - DHCP proxy IP address. Type: string
+| | ...
+| | ... | *Return:*
+| | ... | - No value returned.
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Send DHCP Messages \| ${nodes['TG']} \
+| | ... | \| eth3 \| eth4 \| 192.168.0.100 \| 08:00:27:cc:4f:54 \
+| | ... | \| 172.16.0.2 \| 08:00:27:64:18:d2 \| 172.16.0.1 \|
+| | ...
+| | [Arguments] | ${tg_node} | ${tg_interface1} | ${tg_interface2}
+| | ... | ${server_ip} | ${server_mac} | ${client_ip} | ${client_mac}
+| | ... | ${proxy_ip} |
+| | ${tg_interface_name1}= | Get interface name | ${tg_node} | ${tg_interface1}
+| | ${tg_interface_name2}= | Get interface name | ${tg_node} | ${tg_interface2}
+| | ${args}= | Catenate | --tx_if | ${tg_interface_name1}
+| | ... | --rx_if | ${tg_interface_name2}
+| | ... | --server_ip | ${server_ip}
+| | ... | --server_mac | ${server_mac}
+| | ... | --client_ip | ${client_ip}
+| | ... | --client_mac | ${client_mac}
+| | ... | --proxy_ip | ${proxy_ip}
+| | Run Traffic Script On Node | dhcp/send_and_check_proxy_messages.py
+| | ... | ${tg_node} | ${args}
+
+| Send DHCP DISCOVER
+| | [Documentation] | Send and receive DHCP DISCOVER.
+| | ...
+| | ... | *Arguments:*
+| | ... | - tg_node - TG node. Type: dictionary
+| | ... | - tg_interface1 - TG interface. Type: string
+| | ... | - tg_interface2 - TG interface. Type: string
+| | ... | - tx_src_ip - Source address of DHCP DISCOVER packet. Type: string
+| | ... | - tx_dst_ip - Destination address of DHCP DISCOVER packet. Type: string
+| | ...
+| | ... | *Return:*
+| | ... | - No value returned.
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Send DHCP DISCOVER \| ${nodes['TG']} \
+| | ... | \| eth3 \| eth4 \| 0.0.0.0 \| 255.255.255.255 \|
+| | ...
+| | [Arguments] | ${tg_node} | ${tg_interface1} | ${tg_interface2}
+| | ... | ${tx_src_ip} | ${tx_dst_ip} |
+| | ${tg_interface_name1}= | Get interface name | ${tg_node} | ${tg_interface1}
+| | ${tg_interface_name2}= | Get interface name | ${tg_node} | ${tg_interface2}
+| | ${args}= | Catenate | --tx_if | ${tg_interface_name1}
+| | ... | --rx_if | ${tg_interface_name2}
+| | ... | --tx_src_ip | ${tx_src_ip}
+| | ... | --tx_dst_ip | ${tx_dst_ip}
+| | Run Traffic Script On Node | dhcp/send_and_check_proxy_discover.py
+| | ... | ${tg_node} | ${args}
+
+| Send DHCP DISCOVER should fail
+| | [Documentation] | Send and receive DHCP DISCOVER should fail.
+| | ...
+| | ... | *Arguments:*
+| | ... | - tg_node - TG node. Type: dictionary
+| | ... | - tg_interface1 - TG interface. Type: string
+| | ... | - tg_interface2 - TG interface. Type: string
+| | ... | - tx_src_ip - Source address of DHCP DISCOVER packet. Type: string
+| | ... | - tx_dst_ip - Destination address of DHCP DISCOVER packet. Type: string
+| | ...
+| | ... | *Return:*
+| | ... | - No value returned.
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Send DHCP DISCOVER should fail \| ${nodes['TG']} \
+| | ... | \| eth3 \| eth4 \| 0.0.0.0 \| 255.255.255.1 \|
+| | ...
+| | [Arguments] | ${tg_node} | ${tg_interface1} | ${tg_interface2}
+| | ... | ${tx_src_ip} | ${tx_dst_ip} |
+| | ${tg_interface_name1}= | Get interface name | ${tg_node} | ${tg_interface1}
+| | ${tg_interface_name2}= | Get interface name | ${tg_node} | ${tg_interface2}
+| | ${args}= | Catenate | --tx_if | ${tg_interface_name1}
+| | ... | --rx_if | ${tg_interface_name2}
+| | ... | --tx_src_ip | ${tx_src_ip}
+| | ... | --tx_dst_ip | ${tx_dst_ip}
+| | Run Keyword And Expect Error | DHCP DISCOVER Rx timeout
+| | ... | Run Traffic Script On Node | dhcp/send_and_check_proxy_discover.py
+| | ... | ${tg_node} | ${args}
\ No newline at end of file
# See the License for the specific language governing permissions and
# limitations under the License.
-"""Traffic script that sends DHCP DISCOVER packets."""
+"""Traffic script that sends DHCP DISCOVER packet
+ and check if is received on interface."""
import sys
from resources.libraries.python.TrafficScriptArg import TrafficScriptArg
+def is_discover(pkt):
+ """If DHCP message type option is set to dhcp discover return True,
+ else return False. False is returned also if exception occurs."""
+ dhcp_discover = 1
+ try:
+ dhcp_options = pkt['BOOTP']['DHCP options'].options
+ message_type = filter(lambda x: x[0] == 'message-type',
+ dhcp_options)
+ message_type = message_type[0][1]
+ return message_type == dhcp_discover
+ except:
+ return False
+
+
def main():
"""Send DHCP DISCOVER packet."""
dhcp_discover = Ether(dst="ff:ff:ff:ff:ff:ff") / \
IP(src=tx_src_ip, dst=tx_dst_ip) / \
- UDP(sport=68, dport=67) / \
+ UDP(sport=UDP_SERVICES.bootpc, dport=UDP_SERVICES.bootps) / \
BOOTP(op=1,) / \
DHCP(options=[("message-type", "discover"),
"end"])
sent_packets.append(dhcp_discover)
txq.send(dhcp_discover)
- ether = rxq.recv(2)
-
- if ether is None:
- raise RuntimeError('DHCP DISCOVER timeout')
-
- if ether[UDP].dport != UDP_SERVICES.bootps:
- raise RuntimeError("UDP destination port error.")
- print "UDP destination port: OK."
-
- if ether[UDP].sport != UDP_SERVICES.bootpc:
- raise RuntimeError("UDP source port error.")
- print "UDP source port: OK."
-
- if ether[DHCP].options[0][1] != 1: # 1 - DISCOVER message
- raise RuntimeError("DHCP DISCOVER message error.")
- print "DHCP DISCOVER message OK."
+ for _ in range(10):
+ dhcp_discover = rxq.recv(2)
+ if is_discover(dhcp_discover):
+ break
+ else:
+ raise RuntimeError("DHCP DISCOVER Rx timeout")
sys.exit(0)
from resources.libraries.python.TrafficScriptArg import TrafficScriptArg
-def dhcp_discover(args):
- """Send DHCP DISCOVER packet."""
-
- tx_if = args.get_arg('tx_if')
- rx_if = args.get_arg('rx_if')
+def dhcp_discover(tx_if, rx_if, tx_src_ip, tx_dst_ip, server_ip, proxy_ip,
+ client_mac):
+ """Send and check DHCP DISCOVER proxy packet."""
rxq = RxQueue(rx_if)
txq = TxQueue(tx_if)
- tx_src_ip = "0.0.0.0"
- tx_dst_ip = "255.255.255.255"
-
- server_ip = args.get_arg('server_ip')
- proxy_ip = args.get_arg('proxy_ip')
- client_mac = args.get_arg('client_mac')
-
sent_packets = []
dhcp_discover = Ether(src=client_mac, dst="ff:ff:ff:ff:ff:ff") / \
IP(src=tx_src_ip, dst=tx_dst_ip) / \
- UDP(sport=68, dport=67) / \
+ UDP(sport=UDP_SERVICES.bootpc, dport=UDP_SERVICES.bootps) / \
BOOTP(op=1,) / \
DHCP(options=[("message-type", "discover"),
"end"])
if ether[DHCP].options[0][1] != 1: # 1 - DISCOVER message
raise RuntimeError("DHCP DISCOVER message error.")
print "DHCP DISCOVER message OK."
- dhcp_offer(args, option_82)
+ return option_82
-def dhcp_offer(args, option_82):
- """Send DHCP OFFER packet."""
- rx_if = args.get_arg('tx_if')
- tx_if = args.get_arg('rx_if')
+def dhcp_offer(rx_if, tx_if, tx_dst_ip, server_ip, proxy_ip, client_ip,
+ server_mac, option_82):
+ """Send and check DHCP OFFER proxy packet."""
rxq = RxQueue(rx_if)
txq = TxQueue(tx_if)
- tx_dst_ip = "255.255.255.255"
- server_ip = args.get_arg('server_ip')
- server_mac = args.get_arg('server_mac')
- client_ip = args.get_arg('client_ip')
- proxy_ip = args.get_arg('proxy_ip')
-
sent_packets = []
dhcp_offer = Ether(src=server_mac, dst="ff:ff:ff:ff:ff:ff") / \
IP(src=server_ip, dst=tx_dst_ip) / \
- UDP(sport=67, dport=68) / \
+ UDP(sport=UDP_SERVICES.bootps, dport=UDP_SERVICES.bootpc) / \
BOOTP(op=2,
yiaddr=client_ip,
siaddr=server_ip) / \
if ether[DHCP].options[0][1] != 2: # 2 - OFFER message
raise RuntimeError("DHCP OFFER message error.")
print "DHCP OFFER message OK."
- dhcp_request(args)
-def dhcp_request(args):
- """Send DHCP REQUEST packet."""
-
- tx_if = args.get_arg('tx_if')
- rx_if = args.get_arg('rx_if')
+def dhcp_request(tx_if, rx_if, tx_src_ip, tx_dst_ip, server_ip, proxy_ip,
+ client_ip, client_mac):
+ """Send and check DHCP REQUEST proxy packet."""
rxq = RxQueue(rx_if)
txq = TxQueue(tx_if)
- tx_dst_ip = "255.255.255.255"
- server_ip = args.get_arg('server_ip')
- client_ip = args.get_arg('client_ip')
- client_mac = args.get_arg('client_mac')
- proxy_ip = args.get_arg('proxy_ip')
-
sent_packets = []
dhcp_request = Ether(src=client_mac, dst="ff:ff:ff:ff:ff:ff") / \
- IP(src="0.0.0.0", dst=tx_dst_ip) / \
- UDP(sport=68, dport=67) / \
+ IP(src=tx_src_ip, dst=tx_dst_ip) / \
+ UDP(sport=UDP_SERVICES.bootpc, dport=UDP_SERVICES.bootps) / \
BOOTP(op=1,
giaddr=proxy_ip,
siaddr=server_ip) / \
if ether[DHCP].options[3][0] != 'relay_agent_Information': # option 82
raise RuntimeError("Relay agent information error.")
- option_82 = ether[DHCP].options[3][1]
if ether[DHCP].options[0][1] != 3: # 2 - REQUEST message
raise RuntimeError("DHCP REQUEST message error.")
print "DHCP REQUEST message: OK."
- dhcp_ack(args, option_82)
-
-def dhcp_ack(args, option_82):
- """Send DHCP ACK packet."""
- rx_if = args.get_arg('tx_if')
- tx_if = args.get_arg('rx_if')
+def dhcp_ack(rx_if, tx_if, tx_dst_ip, server_ip, proxy_ip, client_ip,
+ server_mac, option_82):
+ """Send and check DHCP ACK proxy packet."""
rxq = RxQueue(rx_if)
txq = TxQueue(tx_if)
- tx_dst_ip = "255.255.255.255"
- server_ip = args.get_arg('server_ip')
- server_mac = args.get_arg('server_mac')
- client_ip = args.get_arg('client_ip')
- proxy_ip = args.get_arg('proxy_ip')
lease_time = 43200 # 12 hours
sent_packets = []
dhcp_ack = Ether(src=server_mac, dst="ff:ff:ff:ff:ff:ff") / \
IP(src=server_ip, dst=tx_dst_ip) / \
- UDP(sport=67, dport=68) / \
+ UDP(sport=UDP_SERVICES.bootps, dport=UDP_SERVICES.bootpc) / \
BOOTP(op=2,
yiaddr=client_ip,
siaddr=server_ip) / \
def main():
- """Send DHCP messages."""
+ """Send DHCP proxy messages."""
args = TrafficScriptArg(['server_ip', 'server_mac', 'client_ip',
'client_mac', 'proxy_ip'])
- dhcp_discover(args)
+ tx_if = args.get_arg('tx_if')
+ rx_if = args.get_arg('rx_if')
+
+ tx_src_ip = "0.0.0.0"
+ tx_dst_ip = "255.255.255.255"
+
+ server_ip = args.get_arg('server_ip')
+ client_ip = args.get_arg('client_ip')
+ proxy_ip = args.get_arg('proxy_ip')
+ client_mac = args.get_arg('client_mac')
+ server_mac = args.get_arg('server_mac')
+
+ # DHCP DISCOVER
+ option_82 = dhcp_discover(tx_if, rx_if, tx_src_ip, tx_dst_ip, server_ip,
+ proxy_ip, client_mac)
+
+ # DHCP OFFER
+ dhcp_offer(tx_if, rx_if, tx_dst_ip, server_ip, proxy_ip, client_ip,
+ server_mac, option_82)
+
+ # DHCP REQUEST
+ dhcp_request(tx_if, rx_if, tx_src_ip, tx_dst_ip, server_ip, proxy_ip,
+ client_ip, client_mac)
+
+ # DHCP ACK
+ dhcp_ack(tx_if, rx_if, tx_dst_ip, server_ip, proxy_ip, client_ip,
+ server_mac, option_82)
sys.exit(0)
*** Settings ***
| Resource | resources/libraries/robot/default.robot
| Resource | resources/libraries/robot/testing_path.robot
-| Resource | resources/libraries/robot/dhcp_client.robot
+| Resource | resources/libraries/robot/dhcp_proxy.robot
| Resource | resources/libraries/robot/ipv4.robot
| Library | resources.libraries.python.Trace
| Force Tags | HW_ENV | VM_ENV | 3_NODE_DOUBLE_LINK_TOPO
Code Review / csit.git / commitdiff