592 lines
16 KiB
Python
592 lines
16 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright 2010 United States Government as represented by the
|
|
# Administrator of the National Aeronautics and Space Administration.
|
|
# All Rights Reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
"""Nova base exception handling.
|
|
|
|
Includes decorator for re-raising Nova-type exceptions.
|
|
|
|
SHOULD include dedicated exception logging.
|
|
|
|
"""
|
|
|
|
from nova import log as logging
|
|
|
|
|
|
LOG = logging.getLogger('nova.exception')
|
|
|
|
|
|
class ProcessExecutionError(IOError):
|
|
def __init__(self, stdout=None, stderr=None, exit_code=None, cmd=None,
|
|
description=None):
|
|
if description is None:
|
|
description = _('Unexpected error while running command.')
|
|
if exit_code is None:
|
|
exit_code = '-'
|
|
message = _('%(description)s\nCommand: %(cmd)s\n'
|
|
'Exit code: %(exit_code)s\nStdout: %(stdout)r\n'
|
|
'Stderr: %(stderr)r') % locals()
|
|
IOError.__init__(self, message)
|
|
|
|
|
|
class Error(Exception):
|
|
def __init__(self, message=None):
|
|
super(Error, self).__init__(message)
|
|
|
|
|
|
class ApiError(Error):
|
|
def __init__(self, message='Unknown', code=None):
|
|
self.msg = message
|
|
self.code = code
|
|
if code:
|
|
outstr = '%s: %s' % (code, message)
|
|
else:
|
|
outstr = '%s' % message
|
|
super(ApiError, self).__init__(outstr)
|
|
|
|
|
|
class BuildInProgress(Error):
|
|
pass
|
|
|
|
|
|
class DBError(Error):
|
|
"""Wraps an implementation specific exception."""
|
|
def __init__(self, inner_exception=None):
|
|
self.inner_exception = inner_exception
|
|
super(DBError, self).__init__(str(inner_exception))
|
|
|
|
|
|
def wrap_db_error(f):
|
|
def _wrap(*args, **kwargs):
|
|
try:
|
|
return f(*args, **kwargs)
|
|
except Exception, e:
|
|
LOG.exception(_('DB exception wrapped.'))
|
|
raise DBError(e)
|
|
return _wrap
|
|
_wrap.func_name = f.func_name
|
|
|
|
|
|
def wrap_exception(f):
|
|
def _wrap(*args, **kw):
|
|
try:
|
|
return f(*args, **kw)
|
|
except Exception, e:
|
|
if not isinstance(e, Error):
|
|
#exc_type, exc_value, exc_traceback = sys.exc_info()
|
|
LOG.exception(_('Uncaught exception'))
|
|
#logging.error(traceback.extract_stack(exc_traceback))
|
|
raise Error(str(e))
|
|
raise
|
|
_wrap.func_name = f.func_name
|
|
return _wrap
|
|
|
|
|
|
class NovaException(Exception):
|
|
"""Base Nova Exception
|
|
|
|
To correctly use this class, inherit from it and define
|
|
a 'message' property. That message will get printf'd
|
|
with the keyword arguments provided to the constructor.
|
|
|
|
"""
|
|
message = _("An unknown exception occurred.")
|
|
|
|
def __init__(self, **kwargs):
|
|
try:
|
|
self._error_string = self.message % kwargs
|
|
|
|
except Exception:
|
|
# at least get the core message out if something happened
|
|
self._error_string = self.message
|
|
|
|
def __str__(self):
|
|
return self._error_string
|
|
|
|
|
|
class NotAuthorized(NovaException):
|
|
message = _("Not authorized.")
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super(NotAuthorized, self).__init__(**kwargs)
|
|
|
|
|
|
class AdminRequired(NotAuthorized):
|
|
message = _("User does not have admin privileges")
|
|
|
|
|
|
class Invalid(NovaException):
|
|
message = _("Unacceptable parameters.")
|
|
|
|
|
|
class InvalidSignature(Invalid):
|
|
message = _("Invalid signature %(signature)s for user %(user)s.")
|
|
|
|
|
|
class InvalidInput(Invalid):
|
|
message = _("Invalid input received") + ": %(reason)s"
|
|
|
|
|
|
class InvalidInstanceType(Invalid):
|
|
message = _("Invalid instance type %(instance_type)s.")
|
|
|
|
|
|
class InvalidPortRange(Invalid):
|
|
message = _("Invalid port range %(from_port)s:%(to_port)s.")
|
|
|
|
|
|
class InvalidIpProtocol(Invalid):
|
|
message = _("Invalid IP protocol %(protocol)s.")
|
|
|
|
|
|
class InvalidContentType(Invalid):
|
|
message = _("Invalid content type %(content_type)s.")
|
|
|
|
|
|
class InstanceNotRunning(Invalid):
|
|
message = _("Instance %(instance_id)s is not running.")
|
|
|
|
|
|
class InstanceNotSuspended(Invalid):
|
|
message = _("Instance %(instance_id)s is not suspended.")
|
|
|
|
|
|
class InstanceNotInRescueMode(Invalid):
|
|
message = _("Instance %(instance_id)s is not in rescue mode")
|
|
|
|
|
|
class InstanceSuspendFailure(Invalid):
|
|
message = _("Failed to suspend instance") + ": %(reason)s"
|
|
|
|
|
|
class InstanceResumeFailure(Invalid):
|
|
message = _("Failed to resume server") + ": %(reason)s."
|
|
|
|
|
|
class InstanceRebootFailure(Invalid):
|
|
message = _("Failed to reboot instance") + ": %(reason)s"
|
|
|
|
|
|
class ServiceUnavailable(Invalid):
|
|
message = _("Service is unavailable at this time.")
|
|
|
|
|
|
class VolumeServiceUnavailable(ServiceUnavailable):
|
|
message = _("Volume service is unavailable at this time.")
|
|
|
|
|
|
class ComputeServiceUnavailable(ServiceUnavailable):
|
|
message = _("Compute service is unavailable at this time.")
|
|
|
|
|
|
class UnableToMigrateToSelf(Invalid):
|
|
message = _("Unable to migrate instance (%(instance_id)s) "
|
|
"to current host (%(host)s).")
|
|
|
|
|
|
class SourceHostUnavailable(Invalid):
|
|
message = _("Original compute host is unavailable at this time.")
|
|
|
|
|
|
class InvalidHypervisorType(Invalid):
|
|
message = _("The supplied hypervisor type of is invalid.")
|
|
|
|
|
|
class DestinationHypervisorTooOld(Invalid):
|
|
message = _("The instance requires a newer hypervisor version than "
|
|
"has been provided.")
|
|
|
|
|
|
class InvalidDevicePath(Invalid):
|
|
message = _("The supplied device path (%(path)s) is invalid.")
|
|
|
|
|
|
class InvalidCPUInfo(Invalid):
|
|
message = _("Unacceptable CPU info") + ": %(reason)s"
|
|
|
|
|
|
class InvalidVLANTag(Invalid):
|
|
message = _("VLAN tag is not appropriate for the port group "
|
|
"%(bridge)s. Expected VLAN tag is %(tag)s, "
|
|
"but the one associated with the port group is %(pgroup)s.")
|
|
|
|
|
|
class InvalidVLANPortGroup(Invalid):
|
|
message = _("vSwitch which contains the port group %(bridge)s is "
|
|
"not associated with the desired physical adapter. "
|
|
"Expected vSwitch is %(expected)s, but the one associated "
|
|
"is %(actual)s.")
|
|
|
|
|
|
class InvalidDiskFormat(Invalid):
|
|
message = _("Disk format %(disk_format)s is not acceptable")
|
|
|
|
|
|
class ImageUnacceptable(Invalid):
|
|
message = _("Image %(image_id)s is unacceptable") + ": %(reason)s"
|
|
|
|
|
|
class InstanceUnacceptable(Invalid):
|
|
message = _("Instance %(instance_id)s is unacceptable") + ": %(reason)s"
|
|
|
|
|
|
class InvalidEc2Id(Invalid):
|
|
message = _("Ec2 id %(ec2_id)s is unacceptable.")
|
|
|
|
|
|
class NotFound(NovaException):
|
|
message = _("Resource could not be found.")
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super(NotFound, self).__init__(**kwargs)
|
|
|
|
|
|
class FlagNotSet(NotFound):
|
|
message = _("Required flag %(flag)s not set.")
|
|
|
|
|
|
class InstanceNotFound(NotFound):
|
|
message = _("Instance %(instance_id)s could not be found.")
|
|
|
|
|
|
class VolumeNotFound(NotFound):
|
|
message = _("Volume %(volume_id)s could not be found.")
|
|
|
|
|
|
class VolumeNotFoundForInstance(VolumeNotFound):
|
|
message = _("Volume not found for instance %(instance_id)s.")
|
|
|
|
|
|
class SnapshotNotFound(NotFound):
|
|
message = _("Snapshot %(snapshot_id)s could not be found.")
|
|
|
|
|
|
class VolumeIsBusy(Error):
|
|
message = _("deleting volume %(volume_name)s that has snapshot")
|
|
|
|
|
|
class ExportDeviceNotFoundForVolume(NotFound):
|
|
message = _("No export device found for volume %(volume_id)s.")
|
|
|
|
|
|
class ISCSITargetNotFoundForVolume(NotFound):
|
|
message = _("No target id found for volume %(volume_id)s.")
|
|
|
|
|
|
class DiskNotFound(NotFound):
|
|
message = _("No disk at %(location)s")
|
|
|
|
|
|
class InvalidImageRef(Invalid):
|
|
message = _("Invalid image href %(image_href)s.")
|
|
|
|
|
|
class ListingImageRefsNotSupported(Invalid):
|
|
message = _("Some images have been stored via hrefs."
|
|
+ " This version of the api does not support displaying image hrefs.")
|
|
|
|
|
|
class ImageNotFound(NotFound):
|
|
message = _("Image %(image_id)s could not be found.")
|
|
|
|
|
|
class KernelNotFoundForImage(ImageNotFound):
|
|
message = _("Kernel not found for image %(image_id)s.")
|
|
|
|
|
|
class RamdiskNotFoundForImage(ImageNotFound):
|
|
message = _("Ramdisk not found for image %(image_id)s.")
|
|
|
|
|
|
class UserNotFound(NotFound):
|
|
message = _("User %(user_id)s could not be found.")
|
|
|
|
|
|
class ProjectNotFound(NotFound):
|
|
message = _("Project %(project_id)s could not be found.")
|
|
|
|
|
|
class ProjectMembershipNotFound(NotFound):
|
|
message = _("User %(user_id)s is not a member of project %(project_id)s.")
|
|
|
|
|
|
class UserRoleNotFound(NotFound):
|
|
message = _("Role %(role_id)s could not be found.")
|
|
|
|
|
|
class StorageRepositoryNotFound(NotFound):
|
|
message = _("Cannot find SR to read/write VDI.")
|
|
|
|
|
|
class NetworkNotFound(NotFound):
|
|
message = _("Network %(network_id)s could not be found.")
|
|
|
|
|
|
class NetworkNotFoundForBridge(NetworkNotFound):
|
|
message = _("Network could not be found for bridge %(bridge)s")
|
|
|
|
|
|
class NetworkNotFoundForCidr(NetworkNotFound):
|
|
message = _("Network could not be found with cidr %(cidr)s.")
|
|
|
|
|
|
class NetworkNotFoundForInstance(NetworkNotFound):
|
|
message = _("Network could not be found for instance %(instance_id)s.")
|
|
|
|
|
|
class NoNetworksFound(NotFound):
|
|
message = _("No networks defined.")
|
|
|
|
|
|
class DatastoreNotFound(NotFound):
|
|
message = _("Could not find the datastore reference(s) which the VM uses.")
|
|
|
|
|
|
class NoFixedIpsFoundForInstance(NotFound):
|
|
message = _("Instance %(instance_id)s has zero fixed ips.")
|
|
|
|
|
|
class FloatingIpNotFound(NotFound):
|
|
message = _("Floating ip not found for fixed address %(fixed_ip)s.")
|
|
|
|
|
|
class NoFloatingIpsDefined(NotFound):
|
|
message = _("Zero floating ips could be found.")
|
|
|
|
|
|
class NoFloatingIpsDefinedForHost(NoFloatingIpsDefined):
|
|
message = _("Zero floating ips defined for host %(host)s.")
|
|
|
|
|
|
class NoFloatingIpsDefinedForInstance(NoFloatingIpsDefined):
|
|
message = _("Zero floating ips defined for instance %(instance_id)s.")
|
|
|
|
|
|
class NoMoreFloatingIps(NotFound):
|
|
message = _("Zero floating ips available.")
|
|
|
|
|
|
class KeypairNotFound(NotFound):
|
|
message = _("Keypair %(keypair_name)s not found for user %(user_id)s")
|
|
|
|
|
|
class CertificateNotFound(NotFound):
|
|
message = _("Certificate %(certificate_id)s not found.")
|
|
|
|
|
|
class ServiceNotFound(NotFound):
|
|
message = _("Service %(service_id)s could not be found.")
|
|
|
|
|
|
class HostNotFound(NotFound):
|
|
message = _("Host %(host)s could not be found.")
|
|
|
|
|
|
class ComputeHostNotFound(HostNotFound):
|
|
message = _("Compute host %(host)s could not be found.")
|
|
|
|
|
|
class HostBinaryNotFound(NotFound):
|
|
message = _("Could not find binary %(binary)s on host %(host)s.")
|
|
|
|
|
|
class AuthTokenNotFound(NotFound):
|
|
message = _("Auth token %(token)s could not be found.")
|
|
|
|
|
|
class AccessKeyNotFound(NotFound):
|
|
message = _("Access Key %(access_key)s could not be found.")
|
|
|
|
|
|
class QuotaNotFound(NotFound):
|
|
message = _("Quota could not be found")
|
|
|
|
|
|
class ProjectQuotaNotFound(QuotaNotFound):
|
|
message = _("Quota for project %(project_id)s could not be found.")
|
|
|
|
|
|
class SecurityGroupNotFound(NotFound):
|
|
message = _("Security group %(security_group_id)s not found.")
|
|
|
|
|
|
class SecurityGroupNotFoundForProject(SecurityGroupNotFound):
|
|
message = _("Security group %(security_group_id)s not found "
|
|
"for project %(project_id)s.")
|
|
|
|
|
|
class SecurityGroupNotFoundForRule(SecurityGroupNotFound):
|
|
message = _("Security group with rule %(rule_id)s not found.")
|
|
|
|
|
|
class MigrationNotFound(NotFound):
|
|
message = _("Migration %(migration_id)s could not be found.")
|
|
|
|
|
|
class MigrationNotFoundByStatus(MigrationNotFound):
|
|
message = _("Migration not found for instance %(instance_id)s "
|
|
"with status %(status)s.")
|
|
|
|
|
|
class ConsolePoolNotFound(NotFound):
|
|
message = _("Console pool %(pool_id)s could not be found.")
|
|
|
|
|
|
class ConsolePoolNotFoundForHostType(NotFound):
|
|
message = _("Console pool of type %(console_type)s "
|
|
"for compute host %(compute_host)s "
|
|
"on proxy host %(host)s not found.")
|
|
|
|
|
|
class ConsoleNotFound(NotFound):
|
|
message = _("Console %(console_id)s could not be found.")
|
|
|
|
|
|
class ConsoleNotFoundForInstance(ConsoleNotFound):
|
|
message = _("Console for instance %(instance_id)s could not be found.")
|
|
|
|
|
|
class ConsoleNotFoundInPoolForInstance(ConsoleNotFound):
|
|
message = _("Console for instance %(instance_id)s "
|
|
"in pool %(pool_id)s could not be found.")
|
|
|
|
|
|
class NoInstanceTypesFound(NotFound):
|
|
message = _("Zero instance types found.")
|
|
|
|
|
|
class InstanceTypeNotFound(NotFound):
|
|
message = _("Instance type %(instance_type_id)s could not be found.")
|
|
|
|
|
|
class InstanceTypeNotFoundByName(InstanceTypeNotFound):
|
|
message = _("Instance type with name %(instance_type_name)s "
|
|
"could not be found.")
|
|
|
|
|
|
class FlavorNotFound(NotFound):
|
|
message = _("Flavor %(flavor_id)s could not be found.")
|
|
|
|
|
|
class ZoneNotFound(NotFound):
|
|
message = _("Zone %(zone_id)s could not be found.")
|
|
|
|
|
|
class SchedulerHostFilterNotFound(NotFound):
|
|
message = _("Scheduler Host Filter %(filter_name)s could not be found.")
|
|
|
|
|
|
class SchedulerCostFunctionNotFound(NotFound):
|
|
message = _("Scheduler cost function %(cost_fn_str)s could"
|
|
" not be found.")
|
|
|
|
|
|
class SchedulerWeightFlagNotFound(NotFound):
|
|
message = _("Scheduler weight flag not found: %(flag_name)s")
|
|
|
|
|
|
class InstanceMetadataNotFound(NotFound):
|
|
message = _("Instance %(instance_id)s has no metadata with "
|
|
"key %(metadata_key)s.")
|
|
|
|
|
|
class LDAPObjectNotFound(NotFound):
|
|
message = _("LDAP object could not be found")
|
|
|
|
|
|
class LDAPUserNotFound(LDAPObjectNotFound):
|
|
message = _("LDAP user %(user_id)s could not be found.")
|
|
|
|
|
|
class LDAPGroupNotFound(LDAPObjectNotFound):
|
|
message = _("LDAP group %(group_id)s could not be found.")
|
|
|
|
|
|
class LDAPGroupMembershipNotFound(NotFound):
|
|
message = _("LDAP user %(user_id)s is not a member of group %(group_id)s.")
|
|
|
|
|
|
class FileNotFound(NotFound):
|
|
message = _("File %(file_path)s could not be found.")
|
|
|
|
|
|
class NoFilesFound(NotFound):
|
|
message = _("Zero files could be found.")
|
|
|
|
|
|
class SwitchNotFoundForNetworkAdapter(NotFound):
|
|
message = _("Virtual switch associated with the "
|
|
"network adapter %(adapter)s not found.")
|
|
|
|
|
|
class NetworkAdapterNotFound(NotFound):
|
|
message = _("Network adapter %(adapter)s could not be found.")
|
|
|
|
|
|
class ClassNotFound(NotFound):
|
|
message = _("Class %(class_name)s could not be found")
|
|
|
|
|
|
class NotAllowed(NovaException):
|
|
message = _("Action not allowed.")
|
|
|
|
|
|
class GlobalRoleNotAllowed(NotAllowed):
|
|
message = _("Unable to use global role %(role_id)s")
|
|
|
|
|
|
#TODO(bcwaldon): EOL this exception!
|
|
class Duplicate(NovaException):
|
|
pass
|
|
|
|
|
|
class KeyPairExists(Duplicate):
|
|
message = _("Key pair %(key_name)s already exists.")
|
|
|
|
|
|
class UserExists(Duplicate):
|
|
message = _("User %(user)s already exists.")
|
|
|
|
|
|
class LDAPUserExists(UserExists):
|
|
message = _("LDAP user %(user)s already exists.")
|
|
|
|
|
|
class LDAPGroupExists(Duplicate):
|
|
message = _("LDAP group %(group)s already exists.")
|
|
|
|
|
|
class LDAPMembershipExists(Duplicate):
|
|
message = _("User %(uid)s is already a member of "
|
|
"the group %(group_dn)s")
|
|
|
|
|
|
class ProjectExists(Duplicate):
|
|
message = _("Project %(project)s already exists.")
|
|
|
|
|
|
class InstanceExists(Duplicate):
|
|
message = _("Instance %(name)s already exists.")
|
|
|
|
|
|
class MigrationError(NovaException):
|
|
message = _("Migration error") + ": %(reason)s"
|
|
|
|
|
|
class MalformedRequestBody(NovaException):
|
|
message = _("Malformed message body: %(reason)s")
|