def run_ofctl(self, cmd, args, process_input=None):
full_args = ["ovs-ofctl", cmd, self.br_name] + args
try:
return utils.execute(full_args, process_input=process_input)
except Exception as e:
LOG.error(_("Unable to execute %(cmd)s. Exception: %(exception)s"),
{'cmd': full_args, 'exception': e})
def get_bridge_external_bridge_id(bridge):
args = ["ovs-vsctl", "--timeout=2", "br-get-external-id",
bridge, "bridge-id"]
try:
return utils.execute(args).strip()
except Exception:
LOG.exception(_("Bridge %s not found."), bridge)
return None
def get_bridges():
args = ["ovs-vsctl", "--timeout=%d" % cfg.CONF.ovs_vsctl_timeout,
"list-br"]
try:
return utils.execute(args).strip().split("\n")
except Exception as e:
with utils.save_and_reraise_exception():
LOG.exception(_("Unable to retrieve bridges. Exception: %s"), e)
def get_bridge_for_iface(iface):
args = ["ovs-vsctl", "--timeout=%d" % cfg.CONF.ovs_vsctl_timeout,
"iface-to-br", iface]
try:
return utils.execute(args).strip()
except Exception:
LOG.exception(_("Interface %s not found."), iface)
return None
def get_xapi_iface_id(self, xs_vif_uuid):
args = ["xe", "vif-param-get", "param-name=other-config",
"param-key=nicira-iface-id", "uuid=%s" % xs_vif_uuid]
try:
return utils.execute(args).strip()
except Exception as e:
with utils.save_and_reraise_exception():
LOG.error(_("Unable to execute %(cmd)s. "
"Exception: %(exception)s"),
{'cmd': args, 'exception': e})
def run_vsctl(self, args, check_error=False):
full_args = ["ovs-vsctl", "--timeout=%d" % self.vsctl_timeout] + args
try:
return utils.execute(full_args)
except Exception as e:
with utils.save_and_reraise_exception() as ctxt:
LOG.error(_("Unable to execute %(cmd)s. "
"Exception: %(exception)s"),
{'cmd': full_args, 'exception': e})
if not check_error:
ctxt.reraise = False