def add_bridge(name, db_addr=LOCAL, protocols=None, datapath_id=None):
ovsdb = vsctl.VSCtl(db_addr)
def create():
command = "add-br"
args = [name]
run = vsctl.VSCtlCommand(command, args)
ovsdb.run_command([run])
return run.result
def set_ofversion():
table = ["Bridge"]
value = [name, "protocols={version}".format(version=protocols)]
set_ovsdb(db_addr=db_addr, table=table, value=value)
def set_dpid():
table = ["Bridge"]
value = [
name, "other-config:datapath-id={dpid}".format(dpid=datapath_id)
]
set_ovsdb(db_addr=db_addr, table=table, value=value)
try:
if not exists_bridge(name=name, db_addr=db_addr):
create()
if protocols is not None:
set_ofversion()
if datapath_id is not None:
set_dpid()
except Exception as ex:
raise RuntimeError(ex.args[0])
def __init__(self, ovsdb_addr, br_name, timeout=None, exception=None):
super(OVSBridge, self).__init__()
#self.datapath_id = datapath_id
self.vsctl = ovs_vsctl.VSCtl(ovsdb_addr)
self.timeout = timeout or CONF.ovsdb_timeout
self.exception = exception
self.br_name = br_name
def rem_bridge(name, db_addr=LOCAL):
ovsdb = vsctl.VSCtl(db_addr)
command = "del-br"
args = [name]
run = vsctl.VSCtlCommand(command, args)
try:
if exists_bridge(db_addr, name):
ovsdb.run_command([run])
except Exception as ex:
raise RuntimeError(ex.args[0])
def exists_bridge(name, db_addr=LOCAL):
ovsdb = vsctl.VSCtl(db_addr)
command = "br-exists"
args = [name]
run = vsctl.VSCtlCommand(command, args)
try:
ovsdb.run_command([run])
return run.result
except Exception as ex:
raise RuntimeError(ex.args[0])
def get_ovsdb(db_addr=LOCAL, table=[], value=[]):
ovsdb = vsctl.VSCtl(db_addr)
command = "get"
value = table + value
run = vsctl.VSCtlCommand(command, value)
try:
ovsdb.run_command([run])
return run.result
except Exception as ex:
raise RuntimeError(ex.args[0])
def del_port_bridge(db_addr, name, port_name):
ovsdb = vsctl.VSCtl(db_addr)
command = "del-port"
args = [name, port_name]
run = vsctl.VSCtlCommand(command, args)
try:
ovsdb.run_command([run])
except Exception as ex:
raise RuntimeError(ex.args[0])
def del_bridge_controller(name, db_addr=LOCAL):
ovsdb = vsctl.VSCtl(db_addr)
command = "del-controller"
args = [name]
run = vsctl.VSCtlCommand(command, args)
try:
if exists_bridge(name=name, db_addr=db_addr):
ovsdb.run_command([run])
except Exception as ex:
raise RuntimeError(ex.args[0])
def __init__(self, *args, **kwargs):
super(NetFaSwitch, self).__init__(*args, **kwargs)
self.switch = {}
self.vsctl = ovs_vsctl.VSCtl(
'unix:/usr/local/var/run/openvswitch/db.sock')
wsgi = kwargs['wsgi']
wsgi.register(NetFaApi, {net_fa_api_instance_name: self})
self.CONF.register_opts([
cfg.StrOpt('my_site', default=None),
cfg.StrOpt('fa_br_name', default=None),
cfg.StrOpt('fa_tun_name', default=None)
], 'netfa')
def __init__(self, *args, **kwargs):
super(SimpleSwitch13, self).__init__(*args, **kwargs)
self.mac_to_port = {}
self.queue_list = {}
self.ovsdb_addr = "tcp:127.0.0.1:6640"
#self.ovs_bridge = None
self.ovs_vsctl = vsctl.VSCtl(self.ovsdb_addr)
self.lastModify=os.path.getmtime("config.ini")
print("init finish")
server_ip = "127.0.0.1"
server_port = 9163
bufsize=1024
addr=(server_ip,server_port)
try:
self.dpi_server = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
self.dpi_server.connect(addr)
self.connected=True
print("Connected to dpi server")
except:
self.connected=False
def add_port_bridge(db_addr, name, port_name, ofport=None):
ovsdb = vsctl.VSCtl(db_addr)
def adding():
command = "add-port"
args = [name, port_name]
run = vsctl.VSCtlCommand(command, args)
ovsdb.run_command([run])
def set_ofport():
table = ["Interface"]
value = [port_name, "ofport_request={ofport}".format(ofport=ofport)]
set_ovsdb(db_addr, table, value)
try:
adding()
if ofport is not None:
set_ofport()
except Exception as ex:
raise RuntimeError(ex.args[0])
def _set_up_vsctl(cls):
cls.vsctl = vsctl.VSCtl(OVSDB_SWITCH_ADDR)
# -*- coding: utf-8 -*- # @Time : 2019/4/18 14:24 # @Author : MrCocoaCat # @Email : [email protected] # @File : OVSDB_vsctl.py from ryu.lib.ovs import vsctl # 判断格式是否正确 # # vsctl.valid_ovsdb_addr(OVSDB_ADDR) OVSDB_ADDR = 'tcp:192.168.83.137:6640' ovs_vsctl = vsctl.VSCtl(OVSDB_ADDR) command = vsctl.VSCtlCommand(command='add-br', args=['s1']) command1 = vsctl.VSCtlCommand(command='set', args=['Bridge', 's1', 'protocols=OpenFlow13']) ovs_vsctl.run_command([command, command1]) #ovs_vsctl.run_command([command1]) print(command.result) # ovs_vsctl.run_command([command1]) print(command1.result) # vsctl.VSCtlCommand 类用于定义命令 # Bridge commands. # 'add-br' # 'del-br' # 'list-br' # 'br-exists' # 'br-to-vlan'
def _set_up_vsctl(cls):
cls.vsctl = vsctl.VSCtl(OVSDB_SWITCH_ADDR % cls.container_mn_ip)
def __init__(self, *args, **kwargs):
super(FaBridge, self).__init__(*args, **kwargs)
self.vsctl = ovs_vsctl.VSCtl(
'unix:/usr/local/var/run/openvswitch/db.sock')
def __init__(self, *args, **kwargs):
super(OvnController, self).__init__(*args, **kwargs)
self.vsctl = ovs_vsctl.VSCtl(
'unix:/usr/local/var/run/openvswitch/db.sock')
self.CONF.register_opts([cfg.StrOpt('ovsdb_connection', default=None)],
'ovn')
