118 lines
4.1 KiB
Python
118 lines
4.1 KiB
Python
# Copyright 2015 IBM Corp.
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#
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Exceptions specific to the powervm nova driver."""
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import abc
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from nova import exception as nex
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import six
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from nova_powervm.virt.powervm.i18n import _
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@six.add_metaclass(abc.ABCMeta)
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class AbstractMediaException(nex.NovaException):
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pass
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@six.add_metaclass(abc.ABCMeta)
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class AbstractDiskException(nex.NovaException):
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pass
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class NoMediaRepoVolumeGroupFound(AbstractMediaException):
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msg_fmt = _("Unable to locate the volume group %(vol_grp)s to store the "
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"virtual optical media within. Unable to create the "
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"media repository.")
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class ManagementPartitionNotFoundException(nex.NovaException):
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"""Couldn't find exactly one management partition on the system."""
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msg_fmt = _("Expected to find exactly one management partition; found "
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"%(count)d.")
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class NoDiskDiscoveryException(nex.NovaException):
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"""Failed to discover any disk."""
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msg_fmt = _("Having scanned SCSI bus %(bus)x on the management partition, "
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"disk with UDID %(udid)s failed to appear after %(polls)d "
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"polls over %(timeout)d seconds.")
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class UniqueDiskDiscoveryException(nex.NovaException):
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"""Expected to discover exactly one disk, but discovered >1."""
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msg_fmt = _("Expected to find exactly one disk on the management "
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"partition at %(path_pattern)s; found %(count)d.")
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class DeviceDeletionException(nex.NovaException):
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"""Expected to delete a disk, but the disk is still present afterward."""
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msg_fmt = _("Device %(devpath)s is still present on the management "
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"partition after attempting to delete it. Polled %(polls)d "
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"times over %(timeout)d seconds.")
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class InstanceDiskMappingFailed(AbstractDiskException):
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msg_fmt = _("Failed to map boot disk of instance %(instance_name)s to "
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"the management partition from any Virtual I/O Server.")
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class NewMgmtMappingNotFoundException(nex.NovaException):
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"""Just created a mapping to the mgmt partition, but can't find it."""
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msg_fmt = _("Failed to find newly-created mapping of storage element "
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"%(stg_name)s from Virtual I/O Server %(vios_name)s to the "
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"management partition.")
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class VGNotFound(AbstractDiskException):
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msg_fmt = _("Unable to locate the volume group '%(vg_name)s' for this "
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"operation.")
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class ClusterNotFoundByName(AbstractDiskException):
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msg_fmt = _("Unable to locate the Cluster '%(clust_name)s' for this "
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"operation.")
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class NoConfigNoClusterFound(AbstractDiskException):
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msg_fmt = _('Unable to locate any Cluster for this operation.')
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class TooManyClustersFound(AbstractDiskException):
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msg_fmt = _("Unexpectedly found %(clust_count)d Clusters "
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"matching name '%(clust_name)s'.")
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class NoConfigTooManyClusters(AbstractDiskException):
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msg_fmt = _("No cluster_name specified. Refusing to select one of the "
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"%(clust_count)d Clusters found.")
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class VolumeAttachFailed(nex.NovaException):
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msg_fmt = _("Unable to attach storage (id: %(volume_id)s) to virtual "
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"machine %(instance_name)s. %(reason)s")
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class VolumeDetachFailed(nex.NovaException):
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msg_fmt = _("Unable to detach volume (id: %(volume_id)s) from virtual "
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"machine %(instance_name)s. %(reason)s")
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class VolumePreMigrationFailed(nex.NovaException):
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msg_fmt = _("Unable to perform pre live migration steps on volume (id: "
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"%(volume_id)s) from virtual machine %(instance_name)s.")
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