class OsXenApiException(Exception):
"""Base OsXenapi 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.")
code = 500
def __init__(self, message=None, **kwargs):
self.kwargs = kwargs
if 'code' not in self.kwargs:
try:
self.kwargs['code'] = self.code
except AttributeError:
pass
if not message:
message = self.msg_fmt % kwargs
self.message = message
super(OsXenApiException, 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]
def _login_with_password(self, user, pw, session):
login_exception = XenAPI.Failure(
_("Unable to log in to XenAPI "
"(is the Dom0 disk full?)"))
with timeout.Timeout(self.timeout, login_exception):
session.login_with_password(user, pw, self.PLUGIN_REQUIRED_VERSION,
self.originator)
def _verify_plugin_version(self):
requested_version = self.PLUGIN_REQUIRED_VERSION
current_version = self.call_plugin_serialized(
'dom0_plugin_version.py', 'get_version')
if not versionutils.is_compatible(requested_version, current_version):
raise XenAPI.Failure(
_("Plugin version mismatch (Expected %(exp)s, got %(got)s)") %
{'exp': requested_version, 'got': current_version})
class SshExecCmdFailure(OsXenApiException):
msg_fmt = _("Failed to execute: %(command)s\n"
"stdout: %(stdout)s\n"
"stderr: %(stderr)s")
class GetInterfaceOnHIMNMacError(OsXenApiException):
msg_fmt = _("Cannot find eth matches mac: mac=(%(mac)s)")
class ExecuteCommandFailed(OsXenApiException):
msg_fmt = _("Execute command failed: cmd=(%(cmd)s)")
class NoNetworkInterfaceInSameSegment(OsXenApiException):
msg_fmt = _("Can't find network interface in the same network as \
ip=(%(ip)s)")
class VhdDiskTypeNotSupported(OsXenApiException):
msg_fmt = _("Not supported VHD disk type: type=(%(disk_type)s)")
class VdiImportFailure(OsXenApiException):
msg_fmt = _("Failed importing VDI from VHD stream: vdi_ref=(%(vdi_ref)s)")
class NotFound(OsXenApiException):
msg_fmt = _("Not found error: %s")
class HostConnectionFailure(OsXenApiException):
msg_fmt = _("Failed connecting to host %(host_netloc)s")
class InvalidImage(OsXenApiException):
msg_fmt = _("Image is invalid: details is - (%(details)s)")
class SessionLoginTimeout(OsXenApiException):
msg_fmt = _("Unable to log in to XenAPI (is the Dom0 disk full?)")
class PluginImageNotFound(OsXenApiException):
msg_fmt = _("Image (%(image_id)s) not found.")
class PluginRetriesExceeded(OsXenApiException):
msg_fmt = _("Number of retries to plugin (%(num_retries)d) exceeded.")
class fake_client_exception(exception.OsXenApiException):
msg_fmt = _("Failed to connect to server")
