/
manager.py
839 lines (731 loc) · 37.2 KB
/
manager.py
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# Copyright (c) 2014 NetApp Inc.
# 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.
"""NAS share manager managers creating shares and access rights.
**Related Flags**
:share_driver: Used by :class:`ShareManager`.
"""
import datetime
from oslo_config import cfg
from oslo_log import log
from oslo_serialization import jsonutils
from oslo_utils import excutils
from oslo_utils import importutils
from oslo_utils import timeutils
import six
from manila.common import constants
from manila import context
from manila import exception
from manila.i18n import _
from manila.i18n import _LE
from manila.i18n import _LI
from manila.i18n import _LW
from manila import manager
from manila import quota
import manila.share.configuration
from manila.share import utils as share_utils
from manila import utils
LOG = log.getLogger(__name__)
share_manager_opts = [
cfg.StrOpt('share_driver',
default='manila.share.drivers.generic.GenericShareDriver',
help='Driver to use for share creation.'),
cfg.BoolOpt('delete_share_server_with_last_share',
default=False,
help='Whether share servers will '
'be deleted on deletion of the last share.'),
cfg.BoolOpt('unmanage_remove_access_rules',
default=False,
help='If set to True, then manila will deny access and remove '
'all access rules on share unmanage.'
'If set to False - nothing will be changed.'),
cfg.BoolOpt('automatic_share_server_cleanup',
default=True,
help='If set to True, then Manila will delete all share '
'servers which were unused more than specified time .'
'If set to False - automatic deletion of share servers '
'will be disabled.',
deprecated_group='DEFAULT'),
cfg.IntOpt('unused_share_server_cleanup_interval',
default=10,
help='Unallocated share servers reclamation time interval '
'(minutes). Minimum value is 10 minutes, maximum is 60 '
'minutes. The reclamation function is run every '
'10 minutes and delete share servers which were unused '
'more than unused_share_server_cleanup_interval option '
'defines. This value reflects the shortest time Manila '
'will wait for a share server to go unutilized before '
'deleting it.',
deprecated_group='DEFAULT'),
]
CONF = cfg.CONF
CONF.register_opts(share_manager_opts)
# Drivers that need to change module paths or class names can add their
# old/new path here to maintain backward compatibility.
MAPPING = {
'manila.share.drivers.netapp.cluster_mode.NetAppClusteredShareDriver':
'manila.share.drivers.netapp.common.NetAppDriver', }
QUOTAS = quota.QUOTAS
class ShareManager(manager.SchedulerDependentManager):
"""Manages NAS storages."""
RPC_API_VERSION = '1.1'
def __init__(self, share_driver=None, service_name=None, *args, **kwargs):
"""Load the driver from args, or from flags."""
self.configuration = manila.share.configuration.Configuration(
share_manager_opts,
config_group=service_name)
self._verify_unused_share_server_cleanup_interval()
super(ShareManager, self).__init__(service_name='share',
*args, **kwargs)
if not share_driver:
share_driver = self.configuration.share_driver
if share_driver in MAPPING:
msg_args = {'old': share_driver, 'new': MAPPING[share_driver]}
LOG.warning(_LW("Driver path %(old)s is deprecated, update your "
"configuration to the new path %(new)s"),
msg_args)
share_driver = MAPPING[share_driver]
self.driver = importutils.import_object(
share_driver, self.db, configuration=self.configuration)
def _ensure_share_has_pool(self, ctxt, share):
pool = share_utils.extract_host(share['host'], 'pool')
if pool is None:
# No pool name encoded in host, so this is a legacy
# share created before pool is introduced, ask
# driver to provide pool info if it has such
# knowledge and update the DB.
try:
pool = self.driver.get_pool(share)
except Exception as err:
LOG.error(_LE("Failed to fetch pool name for share: "
"%(share)s. Error: %(error)s."),
{'share': share['id'], 'error': err})
return
if pool:
new_host = share_utils.append_host(share['host'], pool)
self.db.share_update(ctxt, share['id'], {'host': new_host})
return pool
def init_host(self):
"""Initialization for a standalone service."""
ctxt = context.get_admin_context()
self.driver.do_setup(ctxt)
self.driver.check_for_setup_error()
shares = self.db.share_get_all_by_host(ctxt, self.host)
LOG.debug("Re-exporting %s shares", len(shares))
for share in shares:
if share['status'] != 'available':
LOG.info(
_LI("Share %(name)s: skipping export, because it has "
"'%(status)s' status."),
{'name': share['name'], 'status': share['status']},
)
continue
self._ensure_share_has_pool(ctxt, share)
share_server = self._get_share_server(ctxt, share)
try:
export_locations = self.driver.ensure_share(
ctxt, share, share_server=share_server)
except Exception as e:
LOG.error(
_LE("Caught exception trying ensure share '%(s_id)s'. "
"Exception: \n%(e)s."),
{'s_id': share['id'], 'e': six.text_type(e)},
)
continue
if export_locations:
self.db.share_export_locations_update(
ctxt, share['id'], export_locations)
rules = self.db.share_access_get_all_for_share(ctxt, share['id'])
for access_ref in rules:
if access_ref['state'] != access_ref.STATE_ACTIVE:
continue
try:
self.driver.allow_access(ctxt, share, access_ref,
share_server=share_server)
except exception.ShareAccessExists:
pass
except Exception as e:
LOG.error(
_LE("Unexpected exception during share access"
" allow operation. Share id is '%(s_id)s'"
", access rule type is '%(ar_type)s', "
"access rule id is '%(ar_id)s', exception"
" is '%(e)s'."),
{'s_id': share['id'],
'ar_type': access_ref['access_type'],
'ar_id': access_ref['id'],
'e': six.text_type(e)},
)
self.publish_service_capabilities(ctxt)
def _provide_share_server_for_share(self, context, share_network_id,
share_id):
"""Gets or creates share_server and updates share with its id.
Active share_server can be deleted if there are no dependent shares
on it.
So we need avoid possibility to delete share_server in time gap
between reaching active state for share_server and setting up
share_server_id for share. It is possible, for example, with first
share creation, which starts share_server creation.
For this purpose used shared lock between this method and the one
with deletion of share_server.
:returns: dict, dict -- first value is share_server, that
has been chosen for share schedule. Second value is
share updated with share_server_id.
"""
@utils.synchronized("share_manager_%s" % share_network_id)
def _provide_share_server_for_share():
exist = False
try:
share_server = \
self.db.share_server_get_by_host_and_share_net_valid(
context, self.host, share_network_id)
exist = True
except exception.ShareServerNotFound:
share_server = self.db.share_server_create(
context,
{
'host': self.host,
'share_network_id': share_network_id,
'status': constants.STATUS_CREATING
}
)
LOG.debug("Using share_server %s for share %s" % (
share_server['id'], share_id))
share_ref = self.db.share_update(
context,
share_id,
{'share_server_id': share_server['id']},
)
if not exist:
# Create share server on backend with data from db
share_server = self._setup_server(context, share_server)
LOG.info(_LI("Share server created successfully."))
else:
LOG.info(_LI("Used already existed share server "
"'%(share_server_id)s'"),
{'share_server_id': share_server['id']})
return share_server, share_ref
return _provide_share_server_for_share()
def _get_share_server(self, context, share):
if share['share_server_id']:
return self.db.share_server_get(
context, share['share_server_id'])
else:
return None
def create_share(self, context, share_id, request_spec=None,
filter_properties=None, snapshot_id=None):
"""Creates a share."""
context = context.elevated()
if filter_properties is None:
filter_properties = {}
share_ref = self.db.share_get(context, share_id)
share_network_id = share_ref.get('share_network_id', None)
if share_network_id and not self.driver.driver_handles_share_servers:
self.db.share_update(context, share_id, {'status': 'error'})
raise exception.ManilaException(
"Driver does not expect share-network to be provided "
"with current configuration.")
if snapshot_id is not None:
snapshot_ref = self.db.share_snapshot_get(context, snapshot_id)
parent_share_server_id = snapshot_ref['share']['share_server_id']
else:
snapshot_ref = None
parent_share_server_id = None
if parent_share_server_id:
try:
share_server = self.db.share_server_get(context,
parent_share_server_id)
LOG.debug("Using share_server "
"%s for share %s" % (share_server['id'], share_id))
share_ref = self.db.share_update(
context, share_id, {'share_server_id': share_server['id']})
except exception.ShareServerNotFound:
with excutils.save_and_reraise_exception():
LOG.error(_LE("Share server %s does not exist."),
parent_share_server_id)
self.db.share_update(context, share_id,
{'status': 'error'})
elif share_network_id:
try:
share_server, share_ref = self._provide_share_server_for_share(
context, share_network_id, share_id)
except Exception:
with excutils.save_and_reraise_exception():
LOG.error(_LE("Failed to get share server"
" for share creation."))
self.db.share_update(context, share_id,
{'status': 'error'})
else:
share_server = None
try:
if snapshot_ref:
export_locations = self.driver.create_share_from_snapshot(
context, share_ref, snapshot_ref,
share_server=share_server)
else:
export_locations = self.driver.create_share(
context, share_ref, share_server=share_server)
self.db.share_export_locations_update(context, share_id,
export_locations)
except Exception as e:
with excutils.save_and_reraise_exception():
LOG.error(_LE("Share %s failed on creation."), share_id)
detail_data = getattr(e, 'detail_data', {})
def get_export_location(details):
if not isinstance(details, dict):
return None
return details.get('export_locations',
details.get('export_location'))
export_locations = get_export_location(detail_data)
if export_locations:
self.db.share_export_locations_update(
context, share_id, export_locations)
else:
LOG.warning(_LW('Share information in exception '
'can not be written to db because it '
'contains %s and it is not a dictionary.'),
detail_data)
self.db.share_update(context, share_id, {'status': 'error'})
else:
LOG.info(_LI("Share created successfully."))
self.db.share_update(context, share_id,
{'status': 'available',
'launched_at': timeutils.utcnow()})
def manage_share(self, context, share_id, driver_options):
context = context.elevated()
share_ref = self.db.share_get(context, share_id)
project_id = share_ref['project_id']
try:
if self.driver.driver_handles_share_servers:
msg = _("Manage share is not supported for "
"driver_handles_share_servers=True mode.")
raise exception.InvalidShare(reason=msg)
share_update = (
self.driver.manage_existing(share_ref, driver_options) or {})
if not share_update.get('size'):
msg = _("Driver cannot calculate share size.")
raise exception.InvalidShare(reason=msg)
self._update_quota_usages(context, project_id, {
"shares": 1,
"gigabytes": share_update['size'],
})
share_update.update({
'status': 'available',
'launched_at': timeutils.utcnow(),
})
# NOTE(vponomaryov): we should keep only those export locations
# that driver has calculated to avoid incompatibilities with one
# provided by user.
if 'export_locations' in share_update:
self.db.share_export_locations_update(
context, share_id, share_update.pop('export_locations'),
delete=True)
self.db.share_update(context, share_id, share_update)
except Exception:
# NOTE(vponomaryov): set size as 1 because design expects size
# to be set, it also will allow us to handle delete/unmanage
# operations properly with this errored share according to quotas.
self.db.share_update(
context, share_id,
{'status': constants.STATUS_MANAGE_ERROR, 'size': 1})
raise
def _update_quota_usages(self, context, project_id, usages):
user_id = context.user_id
for resource, usage in six.iteritems(usages):
try:
current_usage = self.db.quota_usage_get(
context, project_id, resource, user_id)
self.db.quota_usage_update(
context, project_id, user_id, resource,
in_use=current_usage['in_use'] + usage)
except exception.QuotaUsageNotFound:
self.db.quota_usage_create(context, project_id,
user_id, resource, usage)
def unmanage_share(self, context, share_id):
context = context.elevated()
share_ref = self.db.share_get(context, share_id)
share_server = self._get_share_server(context, share_ref)
project_id = share_ref['project_id']
def share_manage_set_error_status(msg, exception):
status = {'status': constants.STATUS_UNMANAGE_ERROR}
self.db.share_update(context, share_id, status)
LOG.error(msg, six.text_type(exception))
try:
if self.driver.driver_handles_share_servers:
msg = _("Unmanage share is not supported for "
"driver_handles_share_servers=True mode.")
raise exception.InvalidShare(reason=msg)
if share_server:
msg = _("Unmanage share is not supported for "
"shares with share servers.")
raise exception.InvalidShare(reason=msg)
self.driver.unmanage(share_ref)
except exception.InvalidShare as e:
share_manage_set_error_status(
_LE("Share can not be unmanaged: %s."), e)
return
try:
reservations = QUOTAS.reserve(context,
project_id=project_id,
shares=-1,
gigabytes=-share_ref['size'])
QUOTAS.commit(context, reservations, project_id=project_id)
except Exception as e:
# Note(imalinovskiy):
# Quota reservation errors here are not fatal, because
# unmanage is administrator API and he/she could update user
# quota usages later if it's required.
LOG.warning(_LE("Failed to update quota usages: %s."),
six.text_type(e))
if self.configuration.safe_get('unmanage_remove_access_rules'):
try:
self._remove_share_access_rules(context, share_ref,
share_server)
except Exception as e:
share_manage_set_error_status(
_LE("Can not remove access rules of share: %s."), e)
return
self.db.share_update(context, share_id,
{'status': constants.STATUS_UNMANAGED,
'deleted': True})
def delete_share(self, context, share_id):
"""Delete a share."""
context = context.elevated()
share_ref = self.db.share_get(context, share_id)
share_server = self._get_share_server(context, share_ref)
if context.project_id != share_ref['project_id']:
project_id = share_ref['project_id']
else:
project_id = context.project_id
try:
self._remove_share_access_rules(context, share_ref, share_server)
self.driver.delete_share(context, share_ref,
share_server=share_server)
except Exception:
with excutils.save_and_reraise_exception():
self.db.share_update(context, share_id,
{'status': 'error_deleting'})
try:
reservations = QUOTAS.reserve(context,
project_id=project_id,
shares=-1,
gigabytes=-share_ref['size'])
except Exception:
reservations = None
LOG.exception(_LE("Failed to update usages deleting share"))
self.db.share_delete(context, share_id)
LOG.info(_LI("Share %s: deleted successfully."), share_ref['name'])
if reservations:
QUOTAS.commit(context, reservations, project_id=project_id)
if CONF.delete_share_server_with_last_share:
share_server = self._get_share_server(context, share_ref)
if share_server and not share_server.shares:
LOG.debug("Scheduled deletion of share-server "
"with id '%s' automatically by "
"deletion of last share.", share_server['id'])
self.delete_share_server(context, share_server)
@manager.periodic_task(ticks_between_runs=600 / CONF.periodic_interval)
def delete_free_share_servers(self, ctxt):
if not (self.driver.driver_handles_share_servers and
self.configuration.automatic_share_server_cleanup):
return
LOG.info(_LI("Check for unused share servers to delete."))
updated_before = timeutils.utcnow() - datetime.timedelta(
minutes=self.configuration.unused_share_server_cleanup_interval)
servers = self.db.share_server_get_all_unused_deletable(ctxt,
self.host,
updated_before)
for server in servers:
self.delete_share_server(ctxt, server)
def _remove_share_access_rules(self, context, share_ref, share_server):
rules = self.db.share_access_get_all_for_share(
context, share_ref['id'])
for access_ref in rules:
self._deny_access(context, access_ref, share_ref, share_server)
def create_snapshot(self, context, share_id, snapshot_id):
"""Create snapshot for share."""
snapshot_ref = self.db.share_snapshot_get(context, snapshot_id)
share_server = self._get_share_server(context,
snapshot_ref['share'])
try:
model_update = self.driver.create_snapshot(
context, snapshot_ref, share_server=share_server)
if model_update:
model_dict = model_update.to_dict()
self.db.share_snapshot_update(context, snapshot_ref['id'],
model_dict)
except Exception:
with excutils.save_and_reraise_exception():
self.db.share_snapshot_update(context,
snapshot_ref['id'],
{'status': 'error'})
self.db.share_snapshot_update(context,
snapshot_ref['id'],
{'status': 'available',
'progress': '100%'})
return snapshot_id
def delete_snapshot(self, context, snapshot_id):
"""Delete share snapshot."""
context = context.elevated()
snapshot_ref = self.db.share_snapshot_get(context, snapshot_id)
share_server = self._get_share_server(context,
snapshot_ref['share'])
if context.project_id != snapshot_ref['project_id']:
project_id = snapshot_ref['project_id']
else:
project_id = context.project_id
try:
self.driver.delete_snapshot(context, snapshot_ref,
share_server=share_server)
except exception.ShareSnapshotIsBusy:
self.db.share_snapshot_update(context, snapshot_ref['id'],
{'status': 'available'})
except Exception:
with excutils.save_and_reraise_exception():
self.db.share_snapshot_update(context, snapshot_ref['id'],
{'status': 'error_deleting'})
else:
self.db.share_snapshot_destroy(context, snapshot_id)
try:
reservations = QUOTAS.reserve(
context, project_id=project_id, snapshots=-1,
snapshot_gigabytes=-snapshot_ref['size'])
except Exception:
reservations = None
LOG.exception(_LE("Failed to update usages deleting snapshot"))
if reservations:
QUOTAS.commit(context, reservations, project_id=project_id)
def allow_access(self, context, access_id):
"""Allow access to some share."""
try:
access_ref = self.db.share_access_get(context, access_id)
share_ref = self.db.share_get(context, access_ref['share_id'])
share_server = self._get_share_server(context,
share_ref)
if access_ref['state'] == access_ref.STATE_NEW:
self.driver.allow_access(context, share_ref, access_ref,
share_server=share_server)
self.db.share_access_update(
context, access_id, {'state': access_ref.STATE_ACTIVE})
except Exception:
with excutils.save_and_reraise_exception():
self.db.share_access_update(
context, access_id, {'state': access_ref.STATE_ERROR})
def deny_access(self, context, access_id):
"""Deny access to some share."""
access_ref = self.db.share_access_get(context, access_id)
share_ref = self.db.share_get(context, access_ref['share_id'])
share_server = self._get_share_server(context,
share_ref)
self._deny_access(context, access_ref, share_ref, share_server)
def _deny_access(self, context, access_ref, share_ref, share_server):
access_id = access_ref['id']
try:
self.driver.deny_access(context, share_ref, access_ref,
share_server=share_server)
except Exception:
with excutils.save_and_reraise_exception():
self.db.share_access_update(
context, access_id, {'state': access_ref.STATE_ERROR})
self.db.share_access_delete(context, access_id)
@manager.periodic_task
def _report_driver_status(self, context):
LOG.info(_LI('Updating share status'))
share_stats = self.driver.get_share_stats(refresh=True)
if share_stats:
self.update_service_capabilities(share_stats)
def publish_service_capabilities(self, context):
"""Collect driver status and then publish it."""
self._report_driver_status(context)
self._publish_service_capabilities(context)
def _form_server_setup_info(self, context, share_server, share_network):
# Network info is used by driver for setting up share server
# and getting server info on share creation.
network_allocations = self.db.network_allocations_get_for_share_server(
context, share_server['id'])
network_info = {
'server_id': share_server['id'],
'segmentation_id': share_network['segmentation_id'],
'cidr': share_network['cidr'],
'neutron_net_id': share_network['neutron_net_id'],
'neutron_subnet_id': share_network['neutron_subnet_id'],
'nova_net_id': share_network['nova_net_id'],
'security_services': share_network['security_services'],
'network_allocations': network_allocations,
'backend_details': share_server.get('backend_details'),
'network_type': share_network['network_type'],
}
return network_info
def _setup_server(self, context, share_server, metadata=None):
try:
share_network = self.db.share_network_get(
context, share_server['share_network_id'])
self.driver.allocate_network(context, share_server, share_network)
# Get share_network again in case it was updated.
share_network = self.db.share_network_get(
context, share_server['share_network_id'])
network_info = self._form_server_setup_info(
context, share_server, share_network)
self._validate_segmentation_id(network_info)
# NOTE(vponomaryov): Save security services data to share server
# details table to remove dependency from share network after
# creation operation. It will allow us to delete share server and
# share network separately without dependency on each other.
for security_service in network_info['security_services']:
ss_type = security_service['type']
data = {
'name': security_service['name'],
'domain': security_service['domain'],
'server': security_service['server'],
'dns_ip': security_service['dns_ip'],
'user': security_service['user'],
'type': ss_type,
'password': security_service['password'],
}
self.db.share_server_backend_details_set(
context, share_server['id'],
{'security_service_' + ss_type: jsonutils.dumps(data)})
server_info = self.driver.setup_server(
network_info, metadata=metadata)
if server_info and isinstance(server_info, dict):
self.db.share_server_backend_details_set(
context, share_server['id'], server_info)
return self.db.share_server_update(
context, share_server['id'],
{'status': constants.STATUS_ACTIVE})
except Exception as e:
with excutils.save_and_reraise_exception():
try:
details = getattr(e, 'detail_data', {})
if not isinstance(details, dict):
msg = (_("Invalid detail_data '%s'")
% six.text_type(details))
raise exception.Invalid(msg)
server_details = details.get('server_details')
if not isinstance(server_details, dict):
msg = (_("Invalid server_details '%s'")
% six.text_type(server_details))
raise exception.Invalid(msg)
invalid_details = []
for key, value in server_details.items():
try:
self.db.share_server_backend_details_set(
context, share_server['id'], {key: value})
except Exception:
invalid_details.append("%(key)s: %(value)s" % {
'key': six.text_type(key),
'value': six.text_type(value)
})
if invalid_details:
msg = (_("Following server details are not valid:\n%s")
% six.text_type('\n'.join(invalid_details)))
raise exception.Invalid(msg)
except Exception as e:
LOG.warning(_LW('Server Information in '
'exception can not be written to db : %s '
), six.text_type(e))
finally:
self.db.share_server_update(
context, share_server['id'],
{'status': constants.STATUS_ERROR})
self.driver.deallocate_network(context, share_server['id'])
def _validate_segmentation_id(self, network_info):
"""Raises exception if the segmentation type is incorrect."""
if (network_info['network_type'] in (None, 'flat') and
network_info['segmentation_id']):
msg = _('A segmentation ID %(vlan_id)s was specified but can not '
'be used with a network of type %(seg_type)s; the '
'segmentation ID option must be omitted or set to 0')
raise exception.NetworkBadConfigurationException(
reason=msg % {'vlan_id': network_info['segmentation_id'],
'seg_type': network_info['network_type']})
elif (network_info['network_type'] == 'vlan'
and (network_info['segmentation_id'] is None
or int(network_info['segmentation_id']) > 4094
or int(network_info['segmentation_id'] < 1))):
msg = _('A segmentation ID %s was specified but is not valid for '
'a VLAN network type; the segmentation ID must be an '
'integer value in the range of [1,4094]')
raise exception.NetworkBadConfigurationException(
reason=msg % network_info['segmentation_id'])
elif (network_info['network_type'] == 'vxlan'
and (network_info['segmentation_id'] is None
or int(network_info['segmentation_id']) > 16777215
or int(network_info['segmentation_id'] < 1))):
msg = _('A segmentation ID %s was specified but is not valid for '
'a VXLAN network type; the segmentation ID must be an '
'integer value in the range of [1,16777215]')
raise exception.NetworkBadConfigurationException(
reason=msg % network_info['segmentation_id'])
elif (network_info['network_type'] == 'gre'
and (network_info['segmentation_id'] is None
or int(network_info['segmentation_id']) > 4294967295
or int(network_info['segmentation_id'] < 1))):
msg = _('A segmentation ID %s was specified but is not valid for '
'a GRE network type; the segmentation ID must be an '
'integer value in the range of [1, 4294967295]')
raise exception.NetworkBadConfigurationException(
reason=msg % network_info['segmentation_id'])
def delete_share_server(self, context, share_server):
@utils.synchronized(
"share_manager_%s" % share_server['share_network_id'])
def _teardown_server():
# NOTE(vponomaryov): Verify that there are no dependent shares.
# Without this verification we can get here exception in next case:
# share-server-delete API was called after share creation scheduled
# and share_server reached ACTIVE status, but before update
# of share_server_id field for share. If so, after lock realese
# this method starts executing when amount of dependent shares
# has been changed.
server_id = share_server['id']
shares = self.db.share_get_all_by_share_server(context, server_id)
if shares:
raise exception.ShareServerInUse(share_server_id=server_id)
if 'backend_details' not in share_server:
server_details = self.db.share_server_backend_details_get(
context, server_id)
else:
server_details = share_server['backend_details']
self.db.share_server_update(context, server_id,
{'status': constants.STATUS_DELETING})
try:
LOG.debug("Deleting share server '%s'", server_id)
security_services = []
for ss_name in constants.SECURITY_SERVICES_ALLOWED_TYPES:
ss = server_details.get('security_service_' + ss_name)
if ss:
security_services.append(jsonutils.loads(ss))
self.driver.teardown_server(
server_details=server_details,
security_services=security_services)
except Exception:
with excutils.save_and_reraise_exception():
LOG.error(
_LE("Share server '%s' failed on deletion."),
server_id)
self.db.share_server_update(
context, server_id, {'status': constants.STATUS_ERROR})
else:
self.db.share_server_delete(context, share_server['id'])
_teardown_server()
LOG.info(
_LI("Share server '%s' has been deleted successfully."),
share_server['id'])
self.driver.deallocate_network(context, share_server['id'])
def _verify_unused_share_server_cleanup_interval(self):
if not 10 <= self.configuration.\
unused_share_server_cleanup_interval <= 60:
raise exception.InvalidParameterValue(
"Option unused_share_server_cleanup_interval should be "
"between 10 minutes and 1 hour.")