本文整理汇总了Python中neutron.agent.common.utils.execute函数的典型用法代码示例。如果您正苦于以下问题：Python execute函数的具体用法？Python execute怎么用？Python execute使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了execute函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: create
def create(self):
common_utils.execute(['mkdir', '-p', self._directory],
run_as_root=True)
user_id = os.geteuid()
common_utils.execute(['chown', user_id, self._directory],
run_as_root=True)示例2: _connect_tap_device_to_vswitch
def _connect_tap_device_to_vswitch(self, vswitch_name, tap_name):
"""Connect the tap device to the given vswitch, and add it to the
ovsdb.
:param vswitch_name: The name of the vswitch to connect the device
:type vswitch_name: String
:param tap_name: The name of the device to connect
:type tap_name: String
"""
full_args = ['ovs-vsctl', 'add-port', vswitch_name, tap_name]
utils.execute(full_args, run_as_root=True, process_input=None)
full_args = ['ovs-vsctl', 'set', 'interface', tap_name,
'external_ids:iface-id={}'.format(self.lport.get_id())]
utils.execute(full_args, run_as_root=True, process_input=None)示例3: _ovsdb_list_intefaces
def _ovsdb_list_intefaces(self, specify_interface=None):
full_args = ["ovs-vsctl", "list", 'interface']
if specify_interface:
full_args.append(specify_interface)
interfaces_info = utils.execute(full_args, run_as_root=True,
process_input=None)
return interfaces_info示例4: get_xapi_iface_id
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, run_as_root=True).strip()
except Exception as e:
with excutils.save_and_reraise_exception():
LOG.error(_LE("Unable to execute %(cmd)s. " "Exception: %(exception)s"), {"cmd": args, "exception": e})示例5: _get_port_number
def _get_port_number(self, interface_name):
ovs_ofctl_args = ['ovs-ofctl', 'dump-ports', 'br-int', interface_name]
awk_args = ['awk', '/^\\s*port\\s+[0-9]+:/ { print $2 }']
ofctl_output = utils.execute(
ovs_ofctl_args,
run_as_root=True,
process_input=None,
)
awk_output = utils.execute(
awk_args,
run_as_root=False,
process_input=ofctl_output,
)
match = re.search('^(\d+):', awk_output)
port_num_str = match.group(1)
return int(port_num_str)示例6: get_devices
def get_devices(self, exclude_loopback=False):
retval = []
if self.namespace:
# we call out manually because in order to avoid screen scraping
# iproute2 we use find to see what is in the sysfs directory, as
# suggested by Stephen Hemminger (iproute2 dev).
output = utils.execute(
[
"ip",
"netns",
"exec",
self.namespace,
"find",
SYS_NET_PATH,
"-maxdepth",
"1",
"-type",
"l",
"-printf",
"%f ",
],
run_as_root=True,
log_fail_as_error=self.log_fail_as_error,
).split()
else:
output = (i for i in os.listdir(SYS_NET_PATH) if os.path.islink(os.path.join(SYS_NET_PATH, i)))
for name in output:
if exclude_loopback and name == LOOPBACK_DEVNAME:
continue
retval.append(IPDevice(name, namespace=self.namespace))
return retval示例7: get_devices
def get_devices(self, exclude_loopback=False, exclude_gre_devices=False):
retval = []
if self.namespace:
# we call out manually because in order to avoid screen scraping
# iproute2 we use find to see what is in the sysfs directory, as
# suggested by Stephen Hemminger (iproute2 dev).
output = utils.execute(['ip', 'netns', 'exec', self.namespace,
'find', SYS_NET_PATH, '-maxdepth', '1',
'-type', 'l', '-printf', '%f '],
run_as_root=True,
log_fail_as_error=self.log_fail_as_error
).split()
else:
output = (
i for i in os.listdir(SYS_NET_PATH)
if os.path.islink(os.path.join(SYS_NET_PATH, i))
)
for name in output:
if (exclude_loopback and name == LOOPBACK_DEVNAME or
exclude_gre_devices and name in GRE_TUNNEL_DEVICE_NAMES):
continue
retval.append(IPDevice(name, namespace=self.namespace))
return retval示例8: get_devices
def get_devices(self, exclude_loopback=True, exclude_gre_devices=True):
retval = []
if self.namespace:
# we call out manually because in order to avoid screen scraping
# iproute2 we use find to see what is in the sysfs directory, as
# suggested by Stephen Hemminger (iproute2 dev).
try:
cmd = ['ip', 'netns', 'exec', self.namespace,
'find', SYS_NET_PATH, '-maxdepth', '1',
'-type', 'l', '-printf', '%f ']
output = utils.execute(
cmd,
run_as_root=True,
log_fail_as_error=self.log_fail_as_error).split()
except RuntimeError:
# We could be racing with a cron job deleting namespaces.
# Just return a empty list if the namespace is deleted.
with excutils.save_and_reraise_exception() as ctx:
if not self.netns.exists(self.namespace):
ctx.reraise = False
return []
else:
output = (
i for i in os.listdir(SYS_NET_PATH)
if os.path.islink(os.path.join(SYS_NET_PATH, i))
)
for name in output:
if (exclude_loopback and name == LOOPBACK_DEVNAME or
exclude_gre_devices and name in GRE_TUNNEL_DEVICE_NAMES):
continue
retval.append(IPDevice(name, namespace=self.namespace))
return retval示例9: _execute
def _execute(cls, options, command, args, run_as_root=False,
namespace=None, log_fail_as_error=True):
opt_list = ['-%s' % o for o in options]
ip_cmd = add_namespace_to_cmd(['ip'], namespace)
cmd = ip_cmd + opt_list + [command] + list(args)
return utils.execute(cmd, run_as_root=run_as_root,
log_fail_as_error=log_fail_as_error)示例10: run_ofctl
def run_ofctl(self, cmd, args, process_input=None):
full_args = ["ovs-ofctl", cmd, self.br_name] + args
try:
return utils.execute(full_args, run_as_root=True,
process_input=process_input)
except Exception as e:
LOG.error(_LE("Unable to execute %(cmd)s. Exception: "
"%(exception)s"),
{'cmd': full_args, 'exception': e})示例11: run_ofctl
def run_ofctl(self, cmd, args, process_input=None):
# We need to dump-groups according to group Id,
# which is a feature of OpenFlow1.5
full_args = ["ovs-ofctl", "-O openflow13", cmd, self.br_name] + args
try:
return utils.execute(full_args, run_as_root=True, process_input=process_input)
except Exception as e:
LOG.exception(e)
LOG.error(_LE("Unable to execute %(args)s."), {"args": full_args})示例12: execute
def execute(self, cmds, addl_env=None, check_exit_code=True, extra_ok_codes=None, run_as_root=False):
ns_params = []
kwargs = {"run_as_root": run_as_root}
if self._parent.namespace:
kwargs["run_as_root"] = True
ns_params = ["ip", "netns", "exec", self._parent.namespace]
env_params = []
if addl_env:
env_params = ["env"] + ["%s=%s" % pair for pair in addl_env.items()]
cmd = ns_params + env_params + list(cmds)
return utils.execute(cmd, check_exit_code=check_exit_code, extra_ok_codes=extra_ok_codes, **kwargs)示例13: run_vsctl
def run_vsctl(self, args):
full_args = ["ovs-vsctl"] + self.opts + args
try:
# We log our own errors, so never have utils.execute do it
return utils.execute(full_args, run_as_root=True,
log_fail_as_error=False).rstrip()
except Exception:
with excutils.save_and_reraise_exception() as ctxt:
if self.log_errors:
LOG.exception(_LE("Unable to execute %(cmd)s."),
{'cmd': full_args})
if not self.check_error:
ctxt.reraise = False示例14: run_ofctl
def run_ofctl(self, cmd, args, process_input=None):
#modify code for networking-ofagent by MelonLi
if self.br_name != 'br-int':
full_args = ["ovs-ofctl", cmd, self.br_name] + args
else:
full_args = ["ovs-ofctl", cmd, self.br_name] + args + ["-O OpenFlow13"]
try:
return utils.execute(full_args, run_as_root=True,
process_input=process_input)
except Exception as e:
LOG.error(_LE("Unable to execute %(cmd)s. Exception: "
"%(exception)s"),
{'cmd': full_args, 'exception': e})示例15: execute
def execute(self, cmds, addl_env=None, check_exit_code=True,
extra_ok_codes=None, run_as_root=False):
ns_params = []
kwargs = {'run_as_root': run_as_root}
if self._parent.namespace:
kwargs['run_as_root'] = True
ns_params = ['ip', 'netns', 'exec', self._parent.namespace]
env_params = []
if addl_env:
env_params = (['env'] +
['%s=%s' % pair for pair in addl_env.items()])
cmd = ns_params + env_params + list(cmds)
return utils.execute(cmd, check_exit_code=check_exit_code,
extra_ok_codes=extra_ok_codes, **kwargs)