def add_port(self, port_name):
ipoplib.runshell_su(
[IPEXE, "link", "set", port_name, "mtu",
str(self.mtu)])
ipoplib.runshell_su(
[LinuxBridge.brctlexe, "addif", self.name, port_name])
self.ports.add(port_name)
def stp(self, val=True):
""" Turn STP protocol on/off. """
if val:
state = "on"
else:
state = "off"
ipoplib.runshell_su([LinuxBridge.brctlexe, "stp", self.name, state])
def add_port(self, port_name):
ipoplib.runshell_su(
[IPEXE, "link", "set", "dev", port_name, "mtu",
str(self.mtu)])
ipoplib.runshell_su([
OvsBridge.brctlexe, "--may-exist", "add-port", self.name, port_name
])
self.ports.add(port_name)
def add_sdn_ctrl(self, sdn_ctrl_cfg):
if sdn_ctrl_cfg["ConnectionType"] == "tcp":
ctrl_conn_str = ":".join([
sdn_ctrl_cfg["ConnectionType"], sdn_ctrl_cfg["HostName"],
sdn_ctrl_cfg["Port"]
])
ipoplib.runshell_su([
OvsBridge.brctlexe, "set-controller", self.name, ctrl_conn_str
])
def del_port(self, port_name):
p = ipoplib.runshell_su([LinuxBridge.brctlexe, "show", self.name])
wlist = map(str.split, p.stdout.decode("utf-8").splitlines()[1:])
port_lines = filter(lambda x: len(x) == 4, wlist)
ports = map(lambda x: x[-1], port_lines)
for port in ports:
if port == port_name:
ipoplib.runshell_su(
[LinuxBridge.brctlexe, "delif", self.name, port_name])
if port_name in self.ports:
self.ports.remove(port_name)
def stp(self, enable):
if enable:
ipoplib.runshell_su([
OvsBridge.brctlexe, "set", "bridge", self.name,
"stp_enable=true"
])
else:
ipoplib.runshell_su([
OvsBridge.brctlexe, "set", "bridge", self.name,
"stp_enable=false"
])
def __init__(self, name, ip_addr, prefix_len, sdn_ctrl_cfg=dict()):
""" Initialize a bridge object. """
super(OvsBridge, self).__init__(name, ip_addr, prefix_len)
ipoplib.runshell_su(
[OvsBridge.brctlexe, "--may-exist", "add-br", self.name])
'''net = "{0}/{1}".format(ip_addr, prefix_len)
p = ipoplib.runshell_su([IPEXE, "addr", "show", self.name])
ip_addr_info = p.stdout.decode()
if net not in ip_addr_info:
ipoplib.runshell_su([IPEXE, "addr", "add", net, "dev", self.name])
self.stp(False)
ipoplib.runshell_su([IPEXE, "link", "set", "dev", self.name, "up"])'''
self.add_sdn_ctrl(sdn_ctrl_cfg)
def __init__(self,
name,
ip_addr,
prefix_len,
mtu,
stp_enable,
sdn_ctrl_cfg=None):
""" Initialize a bridge object. """
super(OvsBridge, self).__init__(name, ip_addr, prefix_len, mtu)
ipoplib.runshell_su(
[OvsBridge.brctlexe, "--may-exist", "add-br", self.name])
try:
p = ipoplib.runshell_su([
OvsBridge.brctlexe, "set", "int", self.name,
"mtu_request=" + str(self.mtu)
])
except RuntimeError as e:
pass
# self.register_cbt(
# "Logger", "LOG_WARN", "Following error occurred while"
# " setting MTU for OVS bridge: " + e.message
# + ". Proceeding with OVS-specified default"
# " value for the bridge...")
net = "{0}/{1}".format(ip_addr, prefix_len)
p = ipoplib.runshell_su([IPEXE, "addr", "show", self.name])
ip_addr_info = p.stdout.decode()
if net not in ip_addr_info:
ipoplib.runshell_su([IPEXE, "addr", "add", net, "dev", self.name])
self.stp(stp_enable)
ipoplib.runshell_su([IPEXE, "link", "set", "dev", self.name, "up"])
if sdn_ctrl_cfg:
self.add_sdn_ctrl(sdn_ctrl_cfg)
def __init__(self, name, ip_addr, prefix_len, *args, **kwargs):
""" Initialize a bridge object. """
super(LinuxBridge, self).__init__(name, ip_addr, prefix_len)
p = ipoplib.runshell_su([LinuxBridge.brctlexe, 'show'])
wlist = map(str.split, p.stdout.decode("utf-8").splitlines()[1:])
brwlist = filter(lambda x: len(x) != 1, wlist)
brlist = map(lambda x: x[0], brwlist)
for br in brlist:
print(br)
if br == name:
print("deleting {}".format(br))
self.del_br()
ipoplib.runshell_su([LinuxBridge.brctlexe, "addbr", self.name])
net = "{0}/{1}".format(ip_addr, prefix_len)
ipoplib.runshell_su([IPEXE, "addr", "add", net, "dev", name])
self.stp(False)
ipoplib.runshell_su([IPEXE, "link", "set", "dev", name, "up"])
def __init__(self, name, ip_addr, prefix_len, mtu, stp_enable):
""" Initialize a bridge object. """
super(LinuxBridge, self).__init__(name, ip_addr, prefix_len, mtu)
p = ipoplib.runshell_su([LinuxBridge.brctlexe, "show"])
wlist = map(str.split, p.stdout.decode("utf-8").splitlines()[1:])
brwlist = filter(lambda x: len(x) != 1, wlist)
brlist = map(lambda x: x[0], brwlist)
for br in brlist:
if br == name:
return
p = ipoplib.runshell_su([LinuxBridge.brctlexe, "addbr", self.name])
net = "{0}/{1}".format(ip_addr, prefix_len)
ipoplib.runshell_su([IPEXE, "addr", "add", net, "dev", name])
self.stp(stp_enable)
ipoplib.runshell_su([IPEXE, "link", "set", "dev", name, "up"])
def add_port(self, port_name):
ipoplib.runshell_su([
OvsBridge.brctlexe, "--may-exist", "add-port", self.name, port_name
])
def del_br(self):
self.del_sdn_ctrl()
ipoplib.runshell_su(
[OvsBridge.brctlexe, "--if-exists", "del-br", self.name])
def del_sdn_ctrl(self):
ipoplib.runshell_su([OvsBridge.brctlexe, "del-controller", self.name])
def del_port(self, port_name):
ipoplib.runshell_su([
OvsBridge.brctlexe, "--if-exists", "del-port", self.name, port_name
])
if port_name in self.ports:
self.ports.remove(port_name)
def set_port_prio(self, port, prio):
""" Set port priority value. """
ipoplib.runshell_su(
[LinuxBridge.brctlexe, "setportprio", self.name, port,
str(prio)])
def set_path_cost(self, port, cost):
""" Set port path cost value for STP protocol. """
ipoplib.runshell_su(
[LinuxBridge.brctlexe, "setpathcost", self.name, port,
str(cost)])
def del_port(self, port):
ipoplib.runshell_su([LinuxBridge.brctlexe, "delif", self.name, port])
def add_port(self, port):
ipoplib.runshell_su([LinuxBridge.brctlexe, "addif", self.name, port])
def del_br(self):
""" Set the device down and delete the bridge. """
ipoplib.runshell_su([IPEXE, "link", "set", "dev", self.name, "down"])
ipoplib.runshell_su([LinuxBridge.brctlexe, "delbr", self.name])
def del_port(self, port_name):
ipoplib.runshell_su([
OvsBridge.brctlexe, "--if-exists", "del-port", self.name, port_name
])
