class ExceptionBase(Exception):
"""Base Exception
To correctly use this class, inherit from it and define
a 'msg_fmt' property. That msg_fmt will get printf'd
with the keyword arguments provided to the constructor.
"""
msg_fmt = _("An unknown exception occurred.")
def __init__(self, message=None, **kwargs):
self.kwargs = kwargs
if not message:
try:
message = self.msg_fmt % kwargs
except Exception:
# at least get the core message out if something happened
message = self.msg_fmt
self.message = message
super(ExceptionBase, self).__init__(message)
def format_message(self):
# NOTE(mrodden): use the first argument to the python Exception object
# which should be our full NovaException message, (see __init__)
return self.args[0]
class NoSupportedVIFVersion(ExceptionBase):
msg_fmt = _("VIF class %(name)s versions %(got_versions)s "
"do not satisfy min=%(min_version)s max=%(max_version)s")
class NoMatchingVIFClass(ExceptionBase):
msg_fmt = _("No VIF class was found with the name %(name)s")
class NoSupportedPortProfileVersion(ExceptionBase):
msg_fmt = _("PortProfile class %(name)s "
"versions %(got_versions)s do not satisfy "
"min=%(min_version)s max=%(max_version)s")
class NoMatchingPortProfileClass(ExceptionBase):
msg_fmt = _("No PortProfile class was found with the name %(name)s")
def execute(self, *cmd, **kwargs):
# NOTE(dims): This method is to provide compatibility with the
# processutils.execute interface. So that calling daemon or direct
# rootwrap to honor the same set of flags in kwargs and to ensure
# that we don't regress any current behavior.
cmd = [str(c) for c in cmd]
loglevel = kwargs.pop('loglevel', std_logging.DEBUG)
log_errors = kwargs.pop('log_errors', None)
process_input = kwargs.pop('process_input', None)
delay_on_retry = kwargs.pop('delay_on_retry', True)
attempts = kwargs.pop('attempts', 1)
check_exit_code = kwargs.pop('check_exit_code', [0])
ignore_exit_code = False
if isinstance(check_exit_code, bool):
ignore_exit_code = not check_exit_code
check_exit_code = [0]
elif isinstance(check_exit_code, int):
check_exit_code = [check_exit_code]
sanitized_cmd = strutils.mask_password(' '.join(cmd))
LOG.info(_LI('Executing RootwrapDaemonHelper.execute '
'cmd=[%(cmd)r] kwargs=[%(kwargs)r]'),
{'cmd': sanitized_cmd, 'kwargs': kwargs})
while attempts > 0:
attempts -= 1
try:
start_time = time.time()
LOG.log(loglevel, _('Running cmd (subprocess): %s'),
sanitized_cmd)
(returncode, out, err) = self.client.execute(
cmd, process_input)
end_time = time.time() - start_time
LOG.log(loglevel,
'CMD "%(sanitized_cmd)s" returned: %(return_code)s '
'in %(end_time)0.3fs',
{'sanitized_cmd': sanitized_cmd,
'return_code': returncode,
'end_time': end_time})
if not ignore_exit_code and returncode not in check_exit_code:
out = strutils.mask_password(out)
err = strutils.mask_password(err)
raise processutils.ProcessExecutionError(
exit_code=returncode,
stdout=out,
stderr=err,
cmd=sanitized_cmd)
return (out, err)
except processutils.ProcessExecutionError as err:
# if we want to always log the errors or if this is
# the final attempt that failed and we want to log that.
if log_errors == processutils.LOG_ALL_ERRORS or (
log_errors == processutils.LOG_FINAL_ERROR and
not attempts):
format = _('%(desc)r\ncommand: %(cmd)r\n'
'exit code: %(code)r\nstdout: %(stdout)r\n'
'stderr: %(stderr)r')
LOG.log(loglevel, format, {"desc": err.description,
"cmd": err.cmd,
"code": err.exit_code,
"stdout": err.stdout,
"stderr": err.stderr})
if not attempts:
LOG.log(loglevel, _('%r failed. Not Retrying.'),
sanitized_cmd)
raise
else:
LOG.log(loglevel, _('%r failed. Retrying.'),
sanitized_cmd)
if delay_on_retry:
time.sleep(random.randint(20, 200) / 100.0)
class ExternalImport(ExceptionBase):
msg_fmt = _("Use of this module outside of os_vif is not allowed. It must "
"not be imported in os-vif plugins that are out of tree as it "
"is not a public interface of os-vif.")
class NetworkInterfaceNotFound(ExceptionBase):
msg_fmt = _("Network interface %(interface)s not found")
class WrongPortProfile(osv_exception.ExceptionBase):
msg_fmt = _('Port profile %(profile)s is not a subclass '
'of VIFPortProfileOpenVSwitch')
class MissingPortProfile(osv_exception.ExceptionBase):
msg_fmt = _('A port profile is mandatory for the OpenVSwitch plugin')
class AgentError(osv_exception.ExceptionBase):
msg_fmt = _('Error during following call to agent: %(method)s')
class NoMatchingPlugin(ExceptionBase):
msg_fmt = _("No plugin was found that handles VIF of type %(vif_type)s")
class PciDeviceNotFoundById(osv_exception.ExceptionBase):
msg_fmt = _("PCI device %(id)s not found")
class RepresentorNotFound(osv_exception.ExceptionBase):
msg_fmt = _('Failed getting representor port for PF %(ifname)s with '
'%(vf_num)s')
class UnplugException(ExceptionBase):
msg_fmt = _("Failed to unplug VIF %(vif)s. Got error: %(err)s")
class NetworkMissingPhysicalNetwork(ExceptionBase):
msg_fmt = _("Physical network is missing for network %(network_uuid)s")
class LibraryNotInitialized(ExceptionBase):
msg_fmt = _("Before using the os_vif library, you need to call "
"os_vif.initialize()")
class NetworkInterfaceTypeNotDefined(ExceptionBase):
msg_fmt = _("Network interface type %(type)s not defined")
class NoMatchingPlugin(ExceptionBase):
msg_fmt = _("No VIF plugin was found with the name %(plugin_name)s")
def execute(self, *cmd, **kwargs):
# NOTE(dims): This method is to provide compatibility with the
# processutils.execute interface. So that calling daemon or direct
# rootwrap to honor the same set of flags in kwargs and to ensure
# that we don't regress any current behavior.
cmd = [str(c) for c in cmd]
loglevel = kwargs.pop('loglevel', std_logging.DEBUG)
log_errors = kwargs.pop('log_errors', None)
process_input = kwargs.pop('process_input', None)
delay_on_retry = kwargs.pop('delay_on_retry', True)
attempts = kwargs.pop('attempts', 1)
check_exit_code = kwargs.pop('check_exit_code', [0])
ignore_exit_code = False
if isinstance(check_exit_code, bool):
ignore_exit_code = not check_exit_code
check_exit_code = [0]
elif isinstance(check_exit_code, int):
check_exit_code = [check_exit_code]
sanitized_cmd = strutils.mask_password(' '.join(cmd))
LOG.info(
_LI('Executing RootwrapDaemonHelper.execute '
'cmd=[%(cmd)r] kwargs=[%(kwargs)r]'), {
'cmd': sanitized_cmd,
'kwargs': kwargs
})
while attempts > 0:
attempts -= 1
try:
start_time = time.time()
LOG.log(loglevel, _('Running cmd (subprocess): %s'),
sanitized_cmd)
(returncode, out,
err) = self.client.execute(cmd, process_input)
end_time = time.time() - start_time
LOG.log(
loglevel,
'CMD "%(sanitized_cmd)s" returned: %(return_code)s '
'in %(end_time)0.3fs', {
'sanitized_cmd': sanitized_cmd,
'return_code': returncode,
'end_time': end_time
})
if not ignore_exit_code and returncode not in check_exit_code:
out = strutils.mask_password(out)
err = strutils.mask_password(err)
raise processutils.ProcessExecutionError(
exit_code=returncode,
stdout=out,
stderr=err,
cmd=sanitized_cmd)
return (out, err)
except processutils.ProcessExecutionError as err:
# if we want to always log the errors or if this is
# the final attempt that failed and we want to log that.
if log_errors == processutils.LOG_ALL_ERRORS or (
log_errors == processutils.LOG_FINAL_ERROR
and not attempts):
format = _('%(desc)r\ncommand: %(cmd)r\n'
'exit code: %(code)r\nstdout: %(stdout)r\n'
'stderr: %(stderr)r')
LOG.log(
loglevel, format, {
"desc": err.description,
"cmd": err.cmd,
"code": err.exit_code,
"stdout": err.stdout,
"stderr": err.stderr
})
if not attempts:
LOG.log(loglevel, _('%r failed. Not Retrying.'),
sanitized_cmd)
raise
else:
LOG.log(loglevel, _('%r failed. Retrying.'), sanitized_cmd)
if delay_on_retry:
time.sleep(random.randint(20, 200) / 100.0)
class UnsupportedPlatform(osv_exception.ExceptionBase):
msg_fmt = _('VPP vhostuser interface is not supported on this platform')
