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Commit 5766345e by Guba Sándor
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refactoring network driver and test

parent 4718a1c0
Showing with 25 additions and 57 deletions
networkdriver.py
...@@ -5,12 +5,7 @@ import logging ...@@ -5,12 +5,7 @@ import logging
import re import re
class NWDriver: def ovs_command_execute(command):
def __init__(self):
pass
def ovs_command_execute(self, command):
'''Execute OpenVSwitch commands '''Execute OpenVSwitch commands
command - List of strings command - List of strings
''' '''
...@@ -19,7 +14,8 @@ class NWDriver: ...@@ -19,7 +14,8 @@ class NWDriver:
logging.info('OVS command: %s executed.', command) logging.info('OVS command: %s executed.', command)
return return_val return return_val
def ofctl_command_execute(self, command):
def ofctl_command_execute(command):
'''Execute OpenVSwitch flow commands '''Execute OpenVSwitch flow commands
command - List of strings command - List of strings
''' '''
...@@ -28,15 +24,18 @@ class NWDriver: ...@@ -28,15 +24,18 @@ class NWDriver:
logging.info('OVS flow command: %s executed.', command) logging.info('OVS flow command: %s executed.', command)
return return_val return return_val
def nw_create(self, vm):
def nw_create(vm):
for network in vm.network_list: for network in vm.network_list:
self.port_create(network) port_create(network)
def nw_delete(self, vm):
def nw_delete(vm):
for network in vm.network_list: for network in vm.network_list:
self.port_delete(network) port_delete(network)
def port_create(self, network): def port_create(network):
''' '''
add-port BRIDGE PORT add-port BRIDGE PORT
set Port vnet18 tag=9 set Port vnet18 tag=9
...@@ -49,14 +48,14 @@ class NWDriver: ...@@ -49,14 +48,14 @@ class NWDriver:
''' '''
# Create the port for virtual network # Create the port for virtual network
cmd_list = ['add-port', network.bridge, network.name] cmd_list = ['add-port', network.bridge, network.name]
self.ovs_command_execute(cmd_list) ovs_command_execute(cmd_list)
# Set VLAN parameter for tap interface # Set VLAN parameter for tap interface
cmd_list = ['set', 'Port', network.name, 'tag='+str(network.vlan)] cmd_list = ['set', 'Port', network.name, 'tag='+str(network.vlan)]
self.ovs_command_execute(cmd_list) ovs_command_execute(cmd_list)
# Getting network FlowPortNumber # Getting network FlowPortNumber
port_number = self.get_port_number(network) port_number = get_port_number(network)
# Set Flow rules to avoid mac or IP spoofing # Set Flow rules to avoid mac or IP spoofing
# Set flow rule 1 (dhcp server ban) # Set flow rule 1 (dhcp server ban)
...@@ -64,7 +63,7 @@ class NWDriver: ...@@ -64,7 +63,7 @@ class NWDriver:
'in_port=%(port_number)s,dl_src=%(mac)s,udp,tp_dst=68,\ 'in_port=%(port_number)s,dl_src=%(mac)s,udp,tp_dst=68,\
priority=43000,actions=drop' % { priority=43000,actions=drop' % {
'port_number': port_number, 'mac': network.mac}] 'port_number': port_number, 'mac': network.mac}]
self.ofctl_command_execute(cmd_list) ofctl_command_execute(cmd_list)
# Set flow rules 2 (ipv4 filter) # Set flow rules 2 (ipv4 filter)
cmd_list = ['add-flow', network.bridge, cmd_list = ['add-flow', network.bridge,
...@@ -72,7 +71,7 @@ class NWDriver: ...@@ -72,7 +71,7 @@ class NWDriver:
nw_src=%(ipv4)s,priority=42000,actions=normal' % { nw_src=%(ipv4)s,priority=42000,actions=normal' % {
'port_number': port_number, 'port_number': port_number,
'mac': network.mac, 'ipv4': network.ipv4}] 'mac': network.mac, 'ipv4': network.ipv4}]
self.ofctl_command_execute(cmd_list) ofctl_command_execute(cmd_list)
# Set flow rules 3 (ipv6 filter) # Set flow rules 3 (ipv6 filter)
cmd_list = ['add-flow', network.bridge, cmd_list = ['add-flow', network.bridge,
...@@ -80,7 +79,7 @@ class NWDriver: ...@@ -80,7 +79,7 @@ class NWDriver:
nw_src=%(ipv6)s,priority=42000,actions=normal' % { nw_src=%(ipv6)s,priority=42000,actions=normal' % {
'port_number': port_number, 'port_number': port_number,
'mac': network.mac, 'ipv6': network.ipv6}] 'mac': network.mac, 'ipv6': network.ipv6}]
self.ofctl_command_execute(cmd_list) ofctl_command_execute(cmd_list)
# Set flow rules 4 (enabling arp) # Set flow rules 4 (enabling arp)
cmd_list = ['add-flow', network.bridge, cmd_list = ['add-flow', network.bridge,
...@@ -88,26 +87,28 @@ class NWDriver: ...@@ -88,26 +87,28 @@ class NWDriver:
nw_src=%(ipv4)s,priority=41000,actions=normal' % { nw_src=%(ipv4)s,priority=41000,actions=normal' % {
'port_number': port_number, 'port_number': port_number,
'mac': network.mac, 'ipv4': network.ipv4}] 'mac': network.mac, 'ipv4': network.ipv4}]
self.ofctl_command_execute(cmd_list) ofctl_command_execute(cmd_list)
# Set flow rules 5 (enabling arp) # Set flow rules 5 (enabling arp)
cmd_list = ['add-flow', network.bridge, cmd_list = ['add-flow', network.bridge,
'in_port=%(port_number)s,dl_src=%(mac)s,udp,tp_dst=67,\ 'in_port=%(port_number)s,dl_src=%(mac)s,udp,tp_dst=67,\
priority=40000,actions=normal' % { priority=40000,actions=normal' % {
'port_number': port_number, 'mac': network.mac}] 'port_number': port_number, 'mac': network.mac}]
self.ofctl_command_execute(cmd_list) ofctl_command_execute(cmd_list)
# Set flow rule 6 (disable other protocols) # Set flow rule 6 (disable other protocols)
cmd_list = ['add-flow', network.bridge, cmd_list = ['add-flow', network.bridge,
'in_port=%(port_number)s,priority=39000,actions=drop' % { 'in_port=%(port_number)s,priority=39000,actions=drop' % {
'port_number': port_number}] 'port_number': port_number}]
self.ofctl_command_execute(cmd_list) ofctl_command_execute(cmd_list)
def port_delete(self, network):
def port_delete(network):
cmd_list = ['del-port', network.name] cmd_list = ['del-port', network.name]
self.ovs_command_execute(cmd_list) ovs_command_execute(cmd_list)
def get_port_number(self, network): def get_port_number(network):
'''Returns the OpenFlow port number for a given network '''Returns the OpenFlow port number for a given network
''' '''
output = subprocess.check_output( output = subprocess.check_output(
......
test_nw.py deleted 100755 → 0
#!/usr/bin/env python
import networkdriver
import vm
import logging
import vmdriver
logging.basicConfig(filename='example.log', level=logging.DEBUG)
graphics = {'type': 'vnc', 'listen':
'0.0.0.0', 'port': '6300', 'passwd': 'asd'}
a = vm.VMDisk(name="ubuntu", source='/home/tarokkk/ubuntu.qcow')
b = vm.VMNetwork(name="vm-88", bridge='cloud',
mac="02:00:0a:09:01:8a", ipv4='10.9.1.138',
ipv6='2001:738:2001:4031:9:1:138:0/112')
testvm = vm.VMInstance(name="ubuntu", vcpu="1",
memory_max="131072",
disk_list=[a],
network_list=[b],
graphics=graphics)
#Creating vm
vm_driver = vmdriver.VMDriver()
vm_driver.connect()
#vm_driver.vm_create(testvm)
#Enabling network
network = networkdriver.NWDriver()
#network.nw_create(testvm)
network.nw_delete(testvm)
vm_driver.vm_delete(testvm)
vm_driver.disconnect()
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