refactoring network driver and test

networkdriver.py

@@ -5,111 +5,112 @@ import logging
 import re
 
 
-class NWDriver:
-
-    def __init__(self):
-        pass
-
-    def ovs_command_execute(self, command):
-        '''Execute OpenVSwitch commands
-        command -   List of strings
-        '''
-        command = ['sudo', 'ovs-vsctl'] + command
-        return_val = subprocess.call(command)
-        logging.info('OVS command: %s executed.', command)
-        return return_val
-
-    def ofctl_command_execute(self, command):
-        '''Execute OpenVSwitch flow commands
-        command -   List of strings
-        '''
-        command = ['sudo', 'ovs-ofctl'] + command
-        return_val = subprocess.call(command)
-        logging.info('OVS flow command: %s executed.', command)
-        return return_val
-
-    def nw_create(self, vm):
-        for network in vm.network_list:
-            self.port_create(network)
-
-    def nw_delete(self, vm):
-        for network in vm.network_list:
-            self.port_delete(network)
-
-    def port_create(self, network):
-        '''
-        add-port BRIDGE PORT
-        set Port vnet18 tag=9
-        add-flow cloud in_port=245,dl_src=02:00:0a:09:01:8a,udp,tp_dst=68,priority=43000,actions=drop".
-        add-flow cloud in_port=245,dl_src=02:00:0a:09:01:8a,ip,nw_src=10.9.1.138,priority=42000,actions=normal".
-        add-flow cloud in_port=245,dl_src=02:00:0a:09:01:8a,ipv6,ipv6_src=2001:738:2001:4031:9:1:138:0/112,priority=42000,actions=normal".
-        add-flow cloud in_port=245,dl_src=02:00:0a:09:01:8a,arp,nw_src=10.9.1.138,priority=41000,actions=normal".
-        add-flow cloud in_port=245,dl_src=02:00:0a:09:01:8a,udp,tp_dst=67,priority=40000,actions=normal".
-        add-flow cloud in_port=245,priority=39000,actions=drop".
-        '''
-        # Create the port for virtual network
-        cmd_list = ['add-port', network.bridge, network.name]
-        self.ovs_command_execute(cmd_list)
-
-        # Set VLAN parameter for tap interface
-        cmd_list = ['set', 'Port', network.name, 'tag='+str(network.vlan)]
-        self.ovs_command_execute(cmd_list)
-
-        # Getting network FlowPortNumber
-        port_number = self.get_port_number(network)
-
-        # Set Flow rules to avoid mac or IP spoofing
-        # Set flow rule 1 (dhcp server ban)
-        cmd_list = ['add-flow', network.bridge,
-                    'in_port=%(port_number)s,dl_src=%(mac)s,udp,tp_dst=68,\
-                            priority=43000,actions=drop' % {
-                    'port_number': port_number, 'mac': network.mac}]
-        self.ofctl_command_execute(cmd_list)
-
-        # Set flow rules 2 (ipv4 filter)
-        cmd_list = ['add-flow', network.bridge,
-                    'in_port=%(port_number)s,dl_src=%(mac)s,ip,\
-                            nw_src=%(ipv4)s,priority=42000,actions=normal' % {
-            'port_number': port_number,
-            'mac': network.mac, 'ipv4': network.ipv4}]
-        self.ofctl_command_execute(cmd_list)
-
-        # Set flow rules 3 (ipv6 filter)
-        cmd_list = ['add-flow', network.bridge,
-                    'in_port=%(port_number)s,dl_src=%(mac)s,ipv6,\
-                            nw_src=%(ipv6)s,priority=42000,actions=normal' % {
-            'port_number': port_number,
-            'mac': network.mac, 'ipv6': network.ipv6}]
-        self.ofctl_command_execute(cmd_list)
-
-        # Set flow rules 4 (enabling arp)
-        cmd_list = ['add-flow', network.bridge,
-                    'in_port=%(port_number)s,dl_src=%(mac)s,arp,\
-                            nw_src=%(ipv4)s,priority=41000,actions=normal' % {
-            'port_number': port_number,
-            'mac': network.mac, 'ipv4': network.ipv4}]
-        self.ofctl_command_execute(cmd_list)
-
-        # Set flow rules 5 (enabling arp)
-        cmd_list = ['add-flow', network.bridge,
-                    'in_port=%(port_number)s,dl_src=%(mac)s,udp,tp_dst=67,\
-                            priority=40000,actions=normal' % {
-                    'port_number': port_number, 'mac': network.mac}]
-        self.ofctl_command_execute(cmd_list)
-
-        # Set flow rule 6 (disable other protocols)
-        cmd_list = ['add-flow', network.bridge,
-                    'in_port=%(port_number)s,priority=39000,actions=drop' % {
-                        'port_number': port_number}]
-        self.ofctl_command_execute(cmd_list)
-
-    def port_delete(self, network):
-        cmd_list = ['del-port', network.name]
-        self.ovs_command_execute(cmd_list)
-
-    def get_port_number(self, network):
-        '''Returns the OpenFlow port number for a given network
-        '''
-        output = subprocess.check_output(
-            ['sudo', 'ovs-ofctl', 'dump-ports', network.bridge, network.name])
-        return re.search('port *([0-9]+)', output).group(1)
+def ovs_command_execute(command):
+    '''Execute OpenVSwitch commands
+    command -   List of strings
+    '''
+    command = ['sudo', 'ovs-vsctl'] + command
+    return_val = subprocess.call(command)
+    logging.info('OVS command: %s executed.', command)
+    return return_val
+
+
+def ofctl_command_execute(command):
+    '''Execute OpenVSwitch flow commands
+    command -   List of strings
+    '''
+    command = ['sudo', 'ovs-ofctl'] + command
+    return_val = subprocess.call(command)
+    logging.info('OVS flow command: %s executed.', command)
+    return return_val
+
+
+def nw_create(vm):
+    for network in vm.network_list:
+        port_create(network)
+
+
+def nw_delete(vm):
+    for network in vm.network_list:
+        port_delete(network)
+
+
+def port_create(network):
+    '''
+    add-port BRIDGE PORT
+    set Port vnet18 tag=9
+    add-flow cloud in_port=245,dl_src=02:00:0a:09:01:8a,udp,tp_dst=68,priority=43000,actions=drop".
+    add-flow cloud in_port=245,dl_src=02:00:0a:09:01:8a,ip,nw_src=10.9.1.138,priority=42000,actions=normal".
+    add-flow cloud in_port=245,dl_src=02:00:0a:09:01:8a,ipv6,ipv6_src=2001:738:2001:4031:9:1:138:0/112,priority=42000,actions=normal".
+    add-flow cloud in_port=245,dl_src=02:00:0a:09:01:8a,arp,nw_src=10.9.1.138,priority=41000,actions=normal".
+    add-flow cloud in_port=245,dl_src=02:00:0a:09:01:8a,udp,tp_dst=67,priority=40000,actions=normal".
+    add-flow cloud in_port=245,priority=39000,actions=drop".
+    '''
+    # Create the port for virtual network
+    cmd_list = ['add-port', network.bridge, network.name]
+    ovs_command_execute(cmd_list)
+
+    # Set VLAN parameter for tap interface
+    cmd_list = ['set', 'Port', network.name, 'tag='+str(network.vlan)]
+    ovs_command_execute(cmd_list)
+
+    # Getting network FlowPortNumber
+    port_number = get_port_number(network)
+
+    # Set Flow rules to avoid mac or IP spoofing
+    # Set flow rule 1 (dhcp server ban)
+    cmd_list = ['add-flow', network.bridge,
+                'in_port=%(port_number)s,dl_src=%(mac)s,udp,tp_dst=68,\
+                        priority=43000,actions=drop' % {
+                'port_number': port_number, 'mac': network.mac}]
+    ofctl_command_execute(cmd_list)
+
+    # Set flow rules 2 (ipv4 filter)
+    cmd_list = ['add-flow', network.bridge,
+                'in_port=%(port_number)s,dl_src=%(mac)s,ip,\
+                        nw_src=%(ipv4)s,priority=42000,actions=normal' % {
+        'port_number': port_number,
+        'mac': network.mac, 'ipv4': network.ipv4}]
+    ofctl_command_execute(cmd_list)
+
+    # Set flow rules 3 (ipv6 filter)
+    cmd_list = ['add-flow', network.bridge,
+                'in_port=%(port_number)s,dl_src=%(mac)s,ipv6,\
+                        nw_src=%(ipv6)s,priority=42000,actions=normal' % {
+        'port_number': port_number,
+        'mac': network.mac, 'ipv6': network.ipv6}]
+    ofctl_command_execute(cmd_list)
+
+    # Set flow rules 4 (enabling arp)
+    cmd_list = ['add-flow', network.bridge,
+                'in_port=%(port_number)s,dl_src=%(mac)s,arp,\
+                        nw_src=%(ipv4)s,priority=41000,actions=normal' % {
+        'port_number': port_number,
+        'mac': network.mac, 'ipv4': network.ipv4}]
+    ofctl_command_execute(cmd_list)
+
+    # Set flow rules 5 (enabling arp)
+    cmd_list = ['add-flow', network.bridge,
+                'in_port=%(port_number)s,dl_src=%(mac)s,udp,tp_dst=67,\
+                        priority=40000,actions=normal' % {
+                'port_number': port_number, 'mac': network.mac}]
+    ofctl_command_execute(cmd_list)
+
+    # Set flow rule 6 (disable other protocols)
+    cmd_list = ['add-flow', network.bridge,
+                'in_port=%(port_number)s,priority=39000,actions=drop' % {
+                    'port_number': port_number}]
+    ofctl_command_execute(cmd_list)
+
+
+def port_delete(network):
+    cmd_list = ['del-port', network.name]
+    ovs_command_execute(cmd_list)
+
+
+def get_port_number(network):
+    '''Returns the OpenFlow port number for a given network
+    '''
+    output = subprocess.check_output(
+        ['sudo', 'ovs-ofctl', 'dump-ports', network.bridge, network.name])
+    return re.search('port *([0-9]+)', output).group(1)

test_nw.py

-#!/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()