191 lines
7.1 KiB
Python
191 lines
7.1 KiB
Python
# 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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from manila import exception
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from manila.i18n import _
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class Resource(object):
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SHARE = 'SHARE'
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SHARE_GROUP = 'SHARE_GROUP'
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SHARE_REPLICA = 'SHARE_REPLICA'
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SHARE_SNAPSHOT = 'SHARE_SNAPSHOT'
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class Action(object):
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ALLOCATE_HOST = ('001', _('allocate host'))
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CREATE = ('002', _('create'))
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DELETE_ACCESS_RULES = ('003', _('delete access rules'))
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PROMOTE = ('004', _('promote'))
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UPDATE = ('005', _('update'))
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REVERT_TO_SNAPSHOT = ('006', _('revert to snapshot'))
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DELETE = ('007', _('delete'))
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EXTEND = ('008', _('extend'))
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SHRINK = ('009', _('shrink'))
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UPDATE_ACCESS_RULES = ('010', _('update access rules'))
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ALL = (
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ALLOCATE_HOST,
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CREATE,
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DELETE_ACCESS_RULES,
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PROMOTE,
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UPDATE,
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REVERT_TO_SNAPSHOT,
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DELETE,
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EXTEND,
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SHRINK,
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UPDATE_ACCESS_RULES,
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)
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class Detail(object):
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UNKNOWN_ERROR = ('001', _('An unknown error occurred.'))
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NO_VALID_HOST = (
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'002', _("No storage could be allocated for this share request. "
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"Trying again with a different size or share type may "
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"succeed."))
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UNEXPECTED_NETWORK = (
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'003', _("Driver does not expect share-network to be provided with "
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"current configuration."))
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NO_SHARE_SERVER = (
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'004', _("Could not find an existing share server or allocate one on "
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"the share network provided. You may use a different share "
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"network, or verify the network details in the share network "
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"and retry your request. If this doesn't work, contact your "
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"administrator to troubleshoot issues with your network."))
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NO_ACTIVE_AVAILABLE_REPLICA = (
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'005', _("An 'active' replica must exist in 'available' state to "
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"create a new replica for share."))
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NO_ACTIVE_REPLICA = (
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'006', _("Share has no replica with 'replica_state' set to 'active'."))
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FILTER_MSG = _("No storage could be allocated for this share request, "
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"%s filter didn't succeed.")
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FILTER_AVAILABILITY = ('007', FILTER_MSG % 'AvailabilityZone')
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FILTER_CAPABILITIES = ('008', FILTER_MSG % 'Capabilities')
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FILTER_CAPACITY = ('009', FILTER_MSG % 'Capacity')
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FILTER_DRIVER = ('010', FILTER_MSG % 'Driver')
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FILTER_IGNORE = ('011', FILTER_MSG % 'IgnoreAttemptedHosts')
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FILTER_JSON = ('012', FILTER_MSG % 'Json')
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FILTER_RETRY = ('013', FILTER_MSG % 'Retry')
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FILTER_REPLICATION = ('014', FILTER_MSG % 'ShareReplication')
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DRIVER_FAILED_EXTEND = (
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'015',
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_("Share Driver failed to extend share, The share status has been "
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"set to extending_error. This action cannot be re-attempted until "
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"the status has been rectified. Contact your administrator to "
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"determine the cause of this failure."))
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FILTER_CREATE_FROM_SNAPSHOT = ('016', FILTER_MSG % 'CreateFromSnapshot')
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DRIVER_FAILED_CREATING_FROM_SNAP = (
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'017',
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_("Share Driver has failed to create the share from snapshot. This "
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"operation can be re-attempted by creating a new share. Contact "
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"your administrator to determine the cause of this failure."))
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DRIVER_REFUSED_SHRINK = (
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'018',
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_("Share Driver refused to shrink the share. The size to be shrunk is"
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" smaller than the current used space. The share status has been"
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" set to available. Please select a size greater than the current"
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" used space."))
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DRIVER_FAILED_SHRINK = (
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'019',
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_("Share Driver does not support shrinking shares."
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" Shrinking share operation failed."))
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FORBIDDEN_CLIENT_ACCESS = (
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'020',
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_("Failed to grant access to client. The client ID used may be "
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"forbidden. You may try again with a different client identifier."))
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UNSUPPORTED_CLIENT_ACCESS = (
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'021',
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_("Failed to grant access to client. The access level or type may "
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"be unsupported. You may try again with a different access level "
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"or access type."))
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ALL = (
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UNKNOWN_ERROR,
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NO_VALID_HOST,
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UNEXPECTED_NETWORK,
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NO_SHARE_SERVER,
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NO_ACTIVE_AVAILABLE_REPLICA,
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NO_ACTIVE_REPLICA,
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FILTER_AVAILABILITY,
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FILTER_CAPABILITIES,
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FILTER_CAPACITY,
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FILTER_DRIVER,
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FILTER_IGNORE,
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FILTER_JSON,
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FILTER_RETRY,
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FILTER_REPLICATION,
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DRIVER_FAILED_EXTEND,
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FILTER_CREATE_FROM_SNAPSHOT,
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DRIVER_FAILED_CREATING_FROM_SNAP,
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DRIVER_REFUSED_SHRINK,
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DRIVER_FAILED_SHRINK,
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FORBIDDEN_CLIENT_ACCESS,
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UNSUPPORTED_CLIENT_ACCESS,
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)
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# Exception and detail mappings
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EXCEPTION_DETAIL_MAPPINGS = {
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NO_VALID_HOST: ['NoValidHost'],
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}
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# Use special code for each filter rather then categorize all as
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# NO_VALID_HOST
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FILTER_DETAIL_MAPPINGS = {
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'AvailabilityZoneFilter': FILTER_AVAILABILITY,
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'CapabilitiesFilter': FILTER_CAPABILITIES,
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'CapacityFilter': FILTER_CAPACITY,
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'DriverFilter': FILTER_DRIVER,
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'IgnoreAttemptedHostsFilter': FILTER_IGNORE,
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'JsonFilter': FILTER_JSON,
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'RetryFilter': FILTER_RETRY,
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'ShareReplicationFilter': FILTER_REPLICATION,
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'CreateFromSnapshotFilter': FILTER_CREATE_FROM_SNAPSHOT,
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}
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def translate_action(action_id):
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action_message = next((action[1] for action in Action.ALL
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if action[0] == action_id), None)
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return action_message or 'unknown action'
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def translate_detail(detail_id):
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detail_message = next((action[1] for action in Detail.ALL
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if action[0] == detail_id), None)
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return detail_message or Detail.UNKNOWN_ERROR[1]
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def translate_detail_id(excep, detail):
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if excep is not None:
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detail = _translate_exception_to_detail(excep)
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if detail in Detail.ALL:
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return detail[0]
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return Detail.UNKNOWN_ERROR[0]
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def _translate_exception_to_detail(ex):
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if isinstance(ex, exception.NoValidHost):
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# if NoValidHost was raised because a filter failed (a filter
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# didn't return any hosts), use a filter-specific detail
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details = getattr(ex, 'detail_data', {})
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last_filter = details.get('last_filter')
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return Detail.FILTER_DETAIL_MAPPINGS.get(
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last_filter, Detail.NO_VALID_HOST)
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else:
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for key, value in Detail.EXCEPTION_DETAIL_MAPPINGS.items():
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if ex.__class__.__name__ in value:
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return key
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