Ejemplo n.º 1
0
def of_demo_15():
    f = "cfg.yml"
    d = {}
    if(load_dict_from_file(f, d) is False):
        print("Config file '%s' read error: " % f)
        exit()

    try:
        ctrlIpAddr = d['ctrlIpAddr']
        ctrlPortNum = d['ctrlPortNum']
        ctrlUname = d['ctrlUname']
        ctrlPswd = d['ctrlPswd']
        nodeName = d['nodeName']
        rundelay = d['rundelay']
    except:
        print ("Failed to get Controller device attributes")
        exit(0)

    print ("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<")
    print ("<<< Demo 15 Start")
    print ("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<")

    ctrl = Controller(ctrlIpAddr, ctrlPortNum, ctrlUname, ctrlPswd)
    ofswitch = OFSwitch(ctrl, nodeName)

    # --- Flow Match: Ethernet Type
    #                 VLAN ID
    #                 Input Port
    eth_type = ETH_TYPE_IPv4
    vlan_id = 100
    input_port = 3

    # --- Flow Actions: Push VLAN: Ethernet Type
    #                   Set Field: VLAN ID
    #                   Output:    Port Number
    push_eth_type = ETH_TYPE_DOT1AD  # 802.1ad VLAN tagged frame
    push_vlan_id = 200
    output_port = 5

    print ("<<< 'Controller': %s, 'OpenFlow' switch: '%s'" %
           (ctrlIpAddr, nodeName))

    print "\n"
    print ("<<< Set OpenFlow flow on the Controller")
    print ("        Match:  Ethernet Type (%s)\n"
           "                VLAN ID (%s)\n"
           "                Input Port (%s)" %
           (hex(eth_type), vlan_id, input_port))
    print ("        Action: Push VLAN (Ethernet Type=%s)" %
           (hex(push_eth_type)))
    print ("                Set Field (VLAN ID=%s)" %
           (push_vlan_id))
    print ("                Output (to Physical Port Number %s)" %
           (output_port))

    time.sleep(rundelay)

    flow_entry = FlowEntry()
    flow_entry.set_flow_name(flow_name="Push VLAN")
    table_id = 0
    flow_entry.set_flow_table_id(table_id)
    flow_id = 22
    flow_entry.set_flow_id(flow_id)
    flow_entry.set_flow_priority(flow_priority=1013)
    flow_entry.set_flow_cookie(cookie=407)
    flow_entry.set_flow_cookie_mask(cookie_mask=255)
    flow_entry.set_flow_hard_timeout(hard_timeout=3400)
    flow_entry.set_flow_idle_timeout(idle_timeout=3400)

    # --- Instruction: 'Apply-actions'
    #     Actions:     'PushVlan'
    #                  'SetField'
    #                  'Output'
    instruction = Instruction(instruction_order=0)
    action = PushVlanHeaderAction(order=0)
    action.set_eth_type(eth_type=push_eth_type)
    instruction.add_apply_action(action)
    action = SetFieldAction(order=1)
    action.set_vlan_id(vid=push_vlan_id)
    instruction.add_apply_action(action)
    action = OutputAction(order=2, port=output_port)
    instruction.add_apply_action(action)
    flow_entry.add_instruction(instruction)

    # --- Match Fields: Ethernet Type
    #                   Ethernet Source Address
    #                   Ethernet Destination Address
    #                   Input Port
    match = Match()
    match.set_eth_type(eth_type)
    match.set_vlan_id(vlan_id)
    match.set_in_port(in_port=input_port)
    flow_entry.add_match(match)

    print ("\n")
    print ("<<< Flow to send:")
    print flow_entry.get_payload()
    time.sleep(rundelay)
    result = ofswitch.add_modify_flow(flow_entry)
    status = result.get_status()
    if(status.eq(STATUS.OK)):
        print ("<<< Flow successfully added to the Controller")
    else:
        print ("\n")
        print ("!!!Demo terminated, reason: %s" % status.brief().lower())
        exit(0)

    print ("\n")
    print ("<<< Get configured flow from the Controller")
    time.sleep(rundelay)
    result = ofswitch.get_configured_flow(table_id, flow_id)
    status = result.get_status()
    if(status.eq(STATUS.OK)):
        print ("<<< Flow successfully read from the Controller")
        print ("Flow info:")
        flow = result.get_data()
        print json.dumps(flow, indent=4)
    else:
        print ("\n")
        print ("!!!Demo terminated, reason: %s" % status.brief().lower())
        exit(0)

    print ("\n")
    print ("<<< Delete flow with id of '%s' from the Controller's cache "
           "and from the table '%s' on the '%s' node" %
           (flow_id, table_id, nodeName))
    time.sleep(rundelay)
    result = ofswitch.delete_flow(flow_entry.get_flow_table_id(),
                                  flow_entry.get_flow_id())
    status = result.get_status()
    if(status.eq(STATUS.OK)):
        print ("<<< Flow successfully removed from the Controller")
    else:
        print ("\n")
        print ("!!!Demo terminated, reason: %s" % status.brief().lower())
        exit(0)

    print ("\n")
    print (">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>")
    print (">>> Demo End")
    print (">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>")
Ejemplo n.º 2
0
def of_demo_25():
    f = "cfg.yml"
    d = {}
    if(load_dict_from_file(f, d) is False):
        print("Config file '%s' read error: " % f)
        exit()

    try:
        ctrlIpAddr = d['ctrlIpAddr']
        ctrlPortNum = d['ctrlPortNum']
        ctrlUname = d['ctrlUname']
        ctrlPswd = d['ctrlPswd']
        nodeName = d['nodeName']
        rundelay = d['rundelay']
    except:
        print ("Failed to get Controller device attributes")
        exit(0)

    print ("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<")
    print ("<<< Demo 25 Start")
    print ("<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<")

    ctrl = Controller(ctrlIpAddr, ctrlPortNum, ctrlUname, ctrlPswd)
    ofswitch = OFSwitch(ctrl, nodeName)

    table_id = 0
    priority = 500
    cookie = 1000
    cookie_mask = 255
    customer_port = 110
    provider_port = 111
    qinq_eth_type = ETH_TYPE_STAG   # 802.1ad (QinQ) VLAN tagged frame
    dot1q_eth_type = ETH_TYPE_CTAG  # 802.1q VLAN tagged frame
    arp_eth_type = ETH_TYPE_ARP
    ip_eth_type = ETH_TYPE_IPv4
    provider_vlan_id = 100          # Provider VLAN
    customer_vlan_id = 998          # Customer VLAN
    first_flow_id = 31

    print ("<<< 'Controller': %s, 'OpenFlow' switch: '%s'" %
           (ctrlIpAddr, nodeName))

    # ---------------------------------------------------
    # First flow entry
    # ---------------------------------------------------
    print "\n"
    print ("<<< Set OpenFlow flow on the Controller")
    print ("        Match:  Ethernet Type (%s)\n"
           "                VLAN ID (%s)\n"
           "                Input Port (%s)" %
           (hex(arp_eth_type), customer_vlan_id, customer_port))
    print ("        Action: Push VLAN (Ethernet Type %s)\n"
           "                Set Field (VLAN ID %s)\n"
           "                Push VLAN (Ethernet Type %s)\n"
           "                Set Field (VLAN ID %s)\n"
           "                Output (Physical Port number %s)" %
           (hex(qinq_eth_type), provider_vlan_id,
            hex(dot1q_eth_type), customer_vlan_id,
            provider_port))

    time.sleep(rundelay)

    flow_id = first_flow_id
    flow_entry1 = FlowEntry()
    flow_entry1.set_flow_table_id(table_id)
    fname = "[MLX1-A] Test flow (match:inport=110,arp;" + \
            "actions:push-QINQ-tag,mod_vlan=100," + \
            "push-DOT1Q-tag,mod_vlan=998,output:111)"
    flow_entry1.set_flow_name(flow_name=fname)
    flow_entry1.set_flow_id(flow_id)
    flow_entry1.set_flow_hard_timeout(hard_timeout=600)
    flow_entry1.set_flow_idle_timeout(idle_timeout=300)
    flow_entry1.set_flow_priority(priority)
    flow_entry1.set_flow_cookie(cookie)
    flow_entry1.set_flow_cookie_mask(cookie_mask)

    instruction = Instruction(instruction_order=0)

    action_order = 0
    action = PushVlanHeaderAction(action_order)
    action.set_eth_type(qinq_eth_type)
    instruction.add_apply_action(action)

    action_order += 1
    action = SetFieldAction(action_order)
    action.set_vlan_id(provider_vlan_id)
    instruction.add_apply_action(action)

    action_order += 1
    action = PushVlanHeaderAction(action_order)
    action.set_eth_type(dot1q_eth_type)
    instruction.add_apply_action(action)

    action_order += 1
    action = SetFieldAction(action_order)
    action.set_vlan_id(customer_vlan_id)
    instruction.add_apply_action(action)

    action_order += 1
    action = OutputAction(action_order, provider_port)
    instruction.add_apply_action(action)

    flow_entry1.add_instruction(instruction)

    match = Match()

    match.set_eth_type(arp_eth_type)
    match.set_vlan_id(customer_vlan_id)
    match.set_in_port(in_port=customer_port)

    flow_entry1.add_match(match)

    print ("\n")
    print ("<<< Flow to send:")
    print flow_entry1.get_payload()
    time.sleep(rundelay)
    result = ofswitch.add_modify_flow(flow_entry1)
    status = result.get_status()
    if(status.eq(STATUS.OK)):
        print ("<<< Flow successfully added to the Controller")
    else:
        print ("\n")
        print ("!!!Demo terminated, reason: %s" % status.detailed())
        delete_flows(ofswitch, table_id, range(first_flow_id, flow_id + 1))
        exit(0)

    # ---------------------------------------------------
    # Second flow entry
    # ---------------------------------------------------
    print "\n"
    print ("<<< Set OpenFlow flow on the Controller")
    print ("        Match:  Ethernet Type (%s)\n"
           "                VLAN ID (%s)\n"
           "                Input Port (%s)" %
           (hex(ip_eth_type), customer_vlan_id, customer_port))
    print ("        Action: Push VLAN (Ethernet Type %s)\n"
           "                Set Field (VLAN ID %s)\n"
           "                Push VLAN (Ethernet Type %s)\n"
           "                Set Field (VLAN ID %s)\n"
           "                Output (Physical Port number %s)" %
           (hex(qinq_eth_type), provider_vlan_id,
            hex(dot1q_eth_type), customer_vlan_id,
            provider_port))

    time.sleep(rundelay)

    flow_id += 1
    flow_entry2 = FlowEntry()
    flow_entry2.set_flow_table_id(table_id)
    fname = "[MLX1-A] Test flow (match:inport=110,ip;" + \
            "actions:push-QINQ-tag,mod_vlan=100,output:111)"
    flow_entry2.set_flow_name(flow_name=fname)
    flow_entry2.set_flow_id(flow_id)
    flow_entry2.set_flow_hard_timeout(hard_timeout=600)
    flow_entry2.set_flow_idle_timeout(idle_timeout=300)
    flow_entry2.set_flow_priority(priority)
    flow_entry2.set_flow_cookie(cookie)
    flow_entry2.set_flow_cookie_mask(cookie_mask)

    instruction = Instruction(instruction_order=0)

    action_order = 0
    action = PushVlanHeaderAction(action_order)
    action.set_eth_type(qinq_eth_type)
    instruction.add_apply_action(action)

    action_order += 1
    action = SetFieldAction(action_order)
    action.set_vlan_id(provider_vlan_id)
    instruction.add_apply_action(action)

    action_order += 1
    action = PushVlanHeaderAction(action_order)
    action.set_eth_type(dot1q_eth_type)
    instruction.add_apply_action(action)

    action_order += 1
    action = SetFieldAction(action_order)
    action.set_vlan_id(customer_vlan_id)
    instruction.add_apply_action(action)

    action_order += 1
    action = OutputAction(action_order, provider_port)
    instruction.add_apply_action(action)

    flow_entry2.add_instruction(instruction)

    match = Match()

    match.set_eth_type(ip_eth_type)
    match.set_vlan_id(customer_vlan_id)
    match.set_in_port(in_port=customer_port)

    flow_entry2.add_match(match)

    print ("\n")
    print ("<<< Flow to send:")
    print flow_entry2.get_payload()
    time.sleep(rundelay)
    result = ofswitch.add_modify_flow(flow_entry2)
    status = result.get_status()
    if(status.eq(STATUS.OK)):
        print ("<<< Flow successfully added to the Controller")
    else:
        print ("\n")
        print ("!!!Demo terminated, reason: %s" % status.detailed())
        delete_flows(ofswitch, table_id, range(first_flow_id, flow_id + 1))
        exit(0)

    # ---------------------------------------------------
    # Third flow entry
    # ---------------------------------------------------
    print "\n"
    print ("<<< Set OpenFlow flow on the Controller")
    print ("        Match:  Ethernet Type (%s)\n"
           "                VLAN ID (%s)\n"
           "                Input Port (%s)" %
           (hex(arp_eth_type), provider_vlan_id, provider_port))
    print ("        Action: Pop VLAN\n"
           "                Output (Physical Port number %s)" %
           (customer_port))

    time.sleep(rundelay)

    flow_id += 1
    flow_entry3 = FlowEntry()
    flow_entry3.set_flow_table_id(table_id)
    fname = "[MLX1-A] Test flow (match:inport=111,arp,vid=100;" + \
            "actions:pop-vlan-tag,output=110)"
    flow_entry3.set_flow_name(flow_name=fname)
    flow_entry3.set_flow_id(flow_id)
    flow_entry3.set_flow_hard_timeout(hard_timeout=600)
    flow_entry3.set_flow_idle_timeout(idle_timeout=300)
    flow_entry3.set_flow_priority(priority)
    flow_entry3.set_flow_cookie(cookie)
    flow_entry3.set_flow_cookie_mask(cookie_mask)

    instruction = Instruction(instruction_order=0)

    action_order = 0
    action = PopVlanHeaderAction(action_order)
    instruction.add_apply_action(action)

    action_order += 1
    action = OutputAction(action_order, customer_port)
    instruction.add_apply_action(action)

    flow_entry3.add_instruction(instruction)

    match = Match()
    match.set_eth_type(arp_eth_type)
    match.set_vlan_id(provider_vlan_id)
    match.set_in_port(provider_port)

    flow_entry3.add_match(match)

    print ("\n")
    print ("<<< Flow to send:")
    print flow_entry3.get_payload()
    time.sleep(rundelay)
    result = ofswitch.add_modify_flow(flow_entry3)
    status = result.get_status()
    if(status.eq(STATUS.OK)):
        print ("<<< Flow successfully added to the Controller")
    else:
        print ("\n")
        print ("!!!Demo terminated, reason: %s" % status.detailed())
        delete_flows(ofswitch, table_id, range(first_flow_id, flow_id + 1))
        exit(0)

    # ---------------------------------------------------
    # Fourth flow entry
    # ---------------------------------------------------
    print "\n"
    print ("<<< Set OpenFlow flow on the Controller")
    print ("        Match:  Ethernet Type (%s)\n"
           "                VLAN ID (%s)\n"
           "                Input Port (%s)" %
           (hex(ip_eth_type), provider_vlan_id, provider_port))
    print ("        Action: Pop VLAN\n"
           "                Output (Physical Port number %s)" %
           (customer_port))

    time.sleep(rundelay)

    flow_id += 1
    flow_entry4 = FlowEntry()
    flow_entry4.set_flow_table_id(table_id)
    flow_entry4.set_flow_id(flow_id)
    fname = "[MLX1-A] Test flow (match:inport=111,ip,vid=100;" + \
            "actions:pop-vlan-tag,output=110)"
    flow_entry4.set_flow_name(flow_name=fname)
    flow_entry4.set_flow_hard_timeout(hard_timeout=600)
    flow_entry4.set_flow_idle_timeout(idle_timeout=300)
    flow_entry4.set_flow_priority(priority)
    flow_entry4.set_flow_cookie(cookie)
    flow_entry4.set_flow_cookie_mask(cookie_mask)

    instruction = Instruction(instruction_order=0)

    action_order = 0
    action = PopVlanHeaderAction(action_order)
    instruction.add_apply_action(action)

    action_order += 1
    action = OutputAction(action_order, customer_port)
    instruction.add_apply_action(action)

    flow_entry4.add_instruction(instruction)

    match = Match()
    match.set_eth_type(ip_eth_type)
    match.set_vlan_id(provider_vlan_id)
    match.set_in_port(provider_port)

    flow_entry4.add_match(match)

    print ("\n")
    print ("<<< Flow to send:")
    print flow_entry4.get_payload()
    time.sleep(rundelay)
    result = ofswitch.add_modify_flow(flow_entry4)
    status = result.get_status()
    if(status.eq(STATUS.OK)):
        print ("<<< Flow successfully added to the Controller")
    else:
        print ("\n")
        print ("!!!Demo terminated, reason: %s" % status.detailed())
        delete_flows(ofswitch, table_id, range(first_flow_id, flow_id + 1))
        exit(0)

    print ("\n")
    print ("<<< Get configured flows from the Controller")
    time.sleep(rundelay)
    for i in range(first_flow_id, flow_id + 1):
        result = ofswitch.get_configured_flow(table_id, i)
        status = result.get_status()
        if(status.eq(STATUS.OK)):
            print ("<<< Flow '%s' successfully read from the Controller" % i)
            print ("Flow info:")
            flow = result.get_data()
            print json.dumps(flow, indent=4)
        else:
            print ("\n")
            print ("!!!Demo terminated, reason: %s" % status.detailed())
            delete_flows(ofswitch, table_id, range(first_flow_id,
                                                   flow_id + 1))
            exit(0)

    print ("\n")
    print ("<<< Delete flows from the Controller's cache "
           "and from the table '%s' on the '%s' node" % (table_id, nodeName))
    time.sleep(rundelay)
    delete_flows(ofswitch, table_id, range(first_flow_id, flow_id + 1))

    print ("\n")
    print (">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>")
    print (">>> Demo End")
    print (">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>")