def create_volume(self, volume):
LOG.debug('create_volume, volume %s.', volume['id'])
volume_name = VOLUME_PREFIX + volume['id'][-12:]
pool_name = volume_utils.extract_host(volume['host'], 'pool')
ret = self._cmd.create_volume(
volume_name,
str(volume['size']),
pool_name)
if ret['key'] == 310:
msg = _('Volume: %s with same name '
'already exists on the system.') % volume_name
raise exception.VolumeBackendAPIException(data=msg)
elif ret['key'] == 102:
allow_size = 0
for p in self._stats['pools']:
if p['pool_name'] == pool_name:
allow_size = p['free_capacity_gb']
break
raise exception.VolumeSizeExceedsLimit(size=int(volume['size']),
limit=allow_size)
elif ret['key'] == 307:
raise exception.VolumeLimitExceeded(allowed=96,
name=volume_name)
elif ret['key'] == 308:
raise exception.VolumeLimitExceeded(allowed=4096,
name=volume_name)
model_update = None
return model_update
def create_volume(self, volume):
LOG.debug('create_volume, volume %s.', volume['id'])
volume_name = self._convert_name(volume.name)
pool_name = volume_utils.extract_host(volume['host'], 'pool')
ret = self._cmd.create_volume(volume_name, str(volume['size']),
pool_name)
if ret['key'] == 310:
msg = _('Volume: %s with same name '
'already exists on the system.') % volume_name
raise exception.VolumeBackendAPIException(data=msg)
elif ret['key'] == 102:
allow_size = 0
for p in self._stats['pools']:
if p['pool_name'] == pool_name:
allow_size = p['free_capacity_gb']
break
raise exception.VolumeSizeExceedsLimit(size=int(volume['size']),
limit=allow_size)
elif ret['key'] == 307:
raise exception.VolumeLimitExceeded(allowed=96, name=volume_name)
elif ret['key'] == 308:
raise exception.VolumeLimitExceeded(allowed=4096, name=volume_name)
elif ret['key'] != 0:
msg = (_('Failed to create_volume %(vol)s on pool %(pool)s, '
'code=%(ret)s, error=%(msg)s.') % {
'vol': volume_name,
'pool': pool_name,
'ret': ret['key'],
'msg': ret['msg']
})
raise exception.VolumeBackendAPIException(data=msg)
return None
def execute(self, context, size, volume_type_id, optional_args):
try:
values = {'per_volume_gigabytes': size}
QUOTAS.limit_check(context,
project_id=context.project_id,
**values)
except exception.OverQuota as e:
quotas = e.kwargs['quotas']
raise exception.VolumeSizeExceedsLimit(
size=size, limit=quotas['per_volume_gigabytes'])
try:
reserve_opts = {'volumes': 1, 'gigabytes': size}
QUOTAS.add_volume_type_opts(context, reserve_opts, volume_type_id)
reservations = QUOTAS.reserve(context, **reserve_opts)
return {
'reservations': reservations,
}
except exception.OverQuota as e:
overs = e.kwargs['overs']
quotas = e.kwargs['quotas']
usages = e.kwargs['usages']
def _consumed(name):
return usages[name]['reserved'] + usages[name]['in_use']
def _is_over(name):
for over in overs:
if name in over:
return True
return False
if _is_over('gigabytes'):
msg = _LW("Quota exceeded for %(s_pid)s, tried to create "
"%(s_size)sG volume (%(d_consumed)dG "
"of %(d_quota)dG already consumed)")
LOG.warning(
msg, {
's_pid': context.project_id,
's_size': size,
'd_consumed': _consumed('gigabytes'),
'd_quota': quotas['gigabytes']
})
raise exception.VolumeSizeExceedsAvailableQuota(
requested=size,
consumed=_consumed('gigabytes'),
quota=quotas['gigabytes'])
elif _is_over('volumes'):
msg = _LW("Quota exceeded for %(s_pid)s, tried to create "
"volume (%(d_consumed)d volumes "
"already consumed)")
LOG.warning(
msg, {
's_pid': context.project_id,
'd_consumed': _consumed('volumes')
})
raise exception.VolumeLimitExceeded(allowed=quotas['volumes'])
else:
# If nothing was reraised, ensure we reraise the initial error
raise
def get_volume_type_reservation(ctxt,
volume,
type_id,
reserve_vol_type_only=False):
from cinder import quota
QUOTAS = quota.QUOTAS
# Reserve quotas for the given volume type
try:
reserve_opts = {'volumes': 1, 'gigabytes': volume['size']}
QUOTAS.add_volume_type_opts(ctxt, reserve_opts, type_id)
# If reserve_vol_type_only is True, just reserve volume_type quota,
# not volume quota.
if reserve_vol_type_only:
reserve_opts.pop('volumes')
reserve_opts.pop('gigabytes')
# Note that usually the project_id on the volume will be the same as
# the project_id in the context. But, if they are different then the
# reservations must be recorded against the project_id that owns the
# volume.
project_id = volume['project_id']
reservations = QUOTAS.reserve(ctxt,
project_id=project_id,
**reserve_opts)
except exception.OverQuota as e:
overs = e.kwargs['overs']
usages = e.kwargs['usages']
quotas = e.kwargs['quotas']
def _consumed(name):
return (usages[name]['reserved'] + usages[name]['in_use'])
for over in overs:
if 'gigabytes' in over:
s_size = volume['size']
d_quota = quotas[over]
d_consumed = _consumed(over)
LOG.warning(
_LW("Quota exceeded for %(s_pid)s, tried to create "
"%(s_size)sG volume - (%(d_consumed)dG of "
"%(d_quota)dG already consumed)"), {
's_pid': ctxt.project_id,
's_size': s_size,
'd_consumed': d_consumed,
'd_quota': d_quota
})
raise exception.VolumeSizeExceedsAvailableQuota(
requested=s_size, quota=d_quota, consumed=d_consumed)
elif 'volumes' in over:
LOG.warning(
_LW("Quota exceeded for %(s_pid)s, tried to create "
"volume (%(d_consumed)d volumes "
"already consumed)"), {
's_pid': ctxt.project_id,
'd_consumed': _consumed(over)
})
raise exception.VolumeLimitExceeded(allowed=quotas[over])
return reservations
def get_volume_type_reservation(ctxt, volume, type_id):
# Reserve quotas for the given volume type
try:
reserve_opts = {'volumes': 1, 'gigabytes': volume['size']}
QUOTAS.add_volume_type_opts(ctxt, reserve_opts, type_id)
reservations = QUOTAS.reserve(ctxt, **reserve_opts)
except exception.OverQuota as e:
overs = e.kwargs['overs']
usages = e.kwargs['usages']
quotas = e.kwargs['quotas']
def _consumed(name):
return (usages[name]['reserved'] + usages[name]['in_use'])
for over in overs:
if 'gigabytes' in over:
s_size = volume['size']
d_quota = quotas[over]
d_consumed = _consumed(over)
msg = _("Quota exceeded for %(s_pid)s, tried to create "
"%(s_size)sG volume - (%(d_consumed)dG of "
"%(d_quota)dG already consumed)")
LOG.warn(
msg % {
's_pid': ctxt.project_id,
's_size': s_size,
'd_consumed': d_consumed,
'd_quota': d_quota
})
raise exception.VolumeSizeExceedsAvailableQuota(
requested=s_size, quota=d_quota, consumed=d_consumed)
elif 'volumes' in over:
msg = _("Quota exceeded for %(s_pid)s, tried to create "
"volume (%(d_consumed)d volumes "
"already consumed)")
LOG.warn(msg % {
's_pid': ctxt.project_id,
'd_consumed': _consumed(over)
})
raise exception.VolumeLimitExceeded(allowed=quotas[over])
return reservations
def fake_transfer_api_accept_throwing_VolumeLimitExceeded(
cls, context, transfer, volume_id):
raise exception.VolumeLimitExceeded(allowed=1)
def accept(self, context, transfer_id, auth_key):
"""Accept a volume that has been offered for transfer."""
# We must use an elevated context to see the volume that is still
# owned by the donor.
volume_api.check_policy(context, 'accept_transfer')
transfer = self.db.transfer_get(context.elevated(), transfer_id)
crypt_hash = self._get_crypt_hash(transfer['salt'], auth_key)
if crypt_hash != transfer['crypt_hash']:
msg = (_("Attempt to transfer %s with invalid auth key.") %
transfer_id)
LOG.error(msg)
raise exception.InvalidAuthKey(reason=msg)
volume_id = transfer['volume_id']
vol_ref = self.db.volume_get(context.elevated(), volume_id)
if vol_ref['consistencygroup_id']:
msg = _("Volume %s must not be part of a consistency "
"group.") % vol_ref['id']
LOG.error(msg)
raise exception.InvalidVolume(reason=msg)
volume_utils.notify_about_volume_usage(context, vol_ref,
"transfer.accept.start")
try:
reserve_opts = {'volumes': 1, 'gigabytes': vol_ref.size}
QUOTAS.add_volume_type_opts(context, reserve_opts,
vol_ref.volume_type_id)
reservations = QUOTAS.reserve(context, **reserve_opts)
except exception.OverQuota as e:
overs = e.kwargs['overs']
usages = e.kwargs['usages']
quotas = e.kwargs['quotas']
def _consumed(name):
return (usages[name]['reserved'] + usages[name]['in_use'])
for over in overs:
if 'gigabytes' in over:
msg = _LW("Quota exceeded for %(s_pid)s, tried to create "
"%(s_size)sG volume (%(d_consumed)dG of "
"%(d_quota)dG already consumed)")
LOG.warning(
msg, {
's_pid': context.project_id,
's_size': vol_ref['size'],
'd_consumed': _consumed(over),
'd_quota': quotas[over]
})
raise exception.VolumeSizeExceedsAvailableQuota(
requested=vol_ref['size'],
consumed=_consumed(over),
quota=quotas[over])
elif 'volumes' in over:
msg = _LW("Quota exceeded for %(s_pid)s, tried to create "
"volume (%(d_consumed)d volumes "
"already consumed)")
LOG.warning(msg, {
's_pid': context.project_id,
'd_consumed': _consumed(over)
})
raise exception.VolumeLimitExceeded(allowed=quotas[over],
name=over)
try:
donor_id = vol_ref['project_id']
reserve_opts = {'volumes': -1, 'gigabytes': -vol_ref.size}
QUOTAS.add_volume_type_opts(context, reserve_opts,
vol_ref.volume_type_id)
donor_reservations = QUOTAS.reserve(context.elevated(),
project_id=donor_id,
**reserve_opts)
except Exception:
donor_reservations = None
LOG.exception(
_LE("Failed to update quota donating volume"
" transfer id %s"), transfer_id)
try:
# Transfer ownership of the volume now, must use an elevated
# context.
self.volume_api.accept_transfer(context, vol_ref, context.user_id,
context.project_id)
self.db.transfer_accept(context.elevated(), transfer_id,
context.user_id, context.project_id)
QUOTAS.commit(context, reservations)
if donor_reservations:
QUOTAS.commit(context, donor_reservations, project_id=donor_id)
LOG.info(_LI("Volume %s has been transferred."), volume_id)
except Exception:
with excutils.save_and_reraise_exception():
QUOTAS.rollback(context, reservations)
if donor_reservations:
QUOTAS.rollback(context,
donor_reservations,
project_id=donor_id)
vol_ref = self.db.volume_get(context, volume_id)
volume_utils.notify_about_volume_usage(context, vol_ref,
"transfer.accept.end")
return {
'id': transfer_id,
'display_name': transfer['display_name'],
'volume_id': vol_ref['id']
}
def execute(self, context, size, volume_type_id, optional_args):
try:
values = {'per_volume_gigabytes': size}
QUOTAS.limit_check(context,
project_id=context.project_id,
**values)
except exception.OverQuota as e:
quotas = e.kwargs['quotas']
raise exception.VolumeSizeExceedsLimit(
size=size, limit=quotas['per_volume_gigabytes'])
try:
reserve_opts = {'volumes': 1, 'gigabytes': size}
QUOTAS.add_volume_type_opts(context, reserve_opts, volume_type_id)
reservations = QUOTAS.reserve(context, **reserve_opts)
return {
'reservations': reservations,
}
except exception.OverQuota as e:
overs = e.kwargs['overs']
quotas = e.kwargs['quotas']
usages = e.kwargs['usages']
def _consumed(name):
usage = usages[name]
return usage['reserved'] + usage['in_use'] + usage.get(
'allocated', 0)
def _get_over(name):
for over in overs:
if name in over:
return over
return None
over_name = _get_over('gigabytes')
exceeded_vol_limit_name = _get_over('volumes')
if over_name:
# TODO(mc_nair): improve error message for child -1 limit
msg = _LW("Quota exceeded for %(s_pid)s, tried to create "
"%(s_size)sG volume (%(d_consumed)dG "
"of %(d_quota)dG already consumed)")
LOG.warning(
msg, {
's_pid': context.project_id,
's_size': size,
'd_consumed': _consumed(over_name),
'd_quota': quotas[over_name]
})
raise exception.VolumeSizeExceedsAvailableQuota(
name=over_name,
requested=size,
consumed=_consumed(over_name),
quota=quotas[over_name])
elif exceeded_vol_limit_name:
msg = _LW("Quota %(s_name)s exceeded for %(s_pid)s, tried "
"to create volume (%(d_consumed)d volume(s) "
"already consumed).")
LOG.warning(
msg, {
's_name': exceeded_vol_limit_name,
's_pid': context.project_id,
'd_consumed': _consumed(exceeded_vol_limit_name)
})
# TODO(mc_nair): improve error message for child -1 limit
raise exception.VolumeLimitExceeded(
allowed=quotas[exceeded_vol_limit_name],
name=exceeded_vol_limit_name)
else:
# If nothing was reraised, ensure we reraise the initial error
raise
def fake_backup_api_restore_throwing_VolumeLimitExceeded(
cls, context, backup_id, volume_id):
raise exception.VolumeLimitExceeded(allowed=1)
def create(self, context, size, name, description, snapshot=None,
image_id=None, volume_type=None, metadata=None,
availability_zone=None):
check_policy(context, 'create')
if snapshot is not None:
if snapshot['status'] != "available":
msg = _("status must be available")
raise exception.InvalidSnapshot(reason=msg)
if not size:
size = snapshot['volume_size']
snapshot_id = snapshot['id']
else:
snapshot_id = None
def as_int(s):
try:
return int(s)
except ValueError:
return s
# tolerate size as stringified int
size = as_int(size)
if not isinstance(size, int) or size <= 0:
msg = (_("Volume size '%s' must be an integer and greater than 0")
% size)
raise exception.InvalidInput(reason=msg)
try:
reservations = QUOTAS.reserve(context, volumes=1, gigabytes=size)
except exception.OverQuota as e:
overs = e.kwargs['overs']
usages = e.kwargs['usages']
quotas = e.kwargs['quotas']
def _consumed(name):
return (usages[name]['reserved'] + usages[name]['in_use'])
pid = context.project_id
if 'gigabytes' in overs:
consumed = _consumed('gigabytes')
quota = quotas['gigabytes']
LOG.warn(_("Quota exceeded for %(pid)s, tried to create "
"%(size)sG volume (%(consumed)dG of %(quota)dG "
"already consumed)") % locals())
raise exception.VolumeSizeExceedsAvailableQuota()
elif 'volumes' in overs:
consumed = _consumed('volumes')
LOG.warn(_("Quota exceeded for %(pid)s, tried to create "
"volume (%(consumed)d volumes already consumed)")
% locals())
raise exception.VolumeLimitExceeded(allowed=quotas['volumes'])
if image_id:
# check image existence
image_meta = self.image_service.show(context, image_id)
image_size_in_gb = (int(image_meta['size']) + GB - 1) / GB
#check image size is not larger than volume size.
if image_size_in_gb > size:
msg = _('Size of specified image is larger than volume size.')
raise exception.InvalidInput(reason=msg)
if availability_zone is None:
availability_zone = FLAGS.storage_availability_zone
if volume_type is None:
volume_type_id = None
else:
volume_type_id = volume_type.get('id', None)
options = {
'size': size,
'user_id': context.user_id,
'project_id': context.project_id,
'snapshot_id': snapshot_id,
'availability_zone': availability_zone,
'status': "creating",
'attach_status': "detached",
'display_name': name,
'display_description': description,
'volume_type_id': volume_type_id,
'metadata': metadata,
}
volume = self.db.volume_create(context, options)
QUOTAS.commit(context, reservations)
self._cast_create_volume(context, volume['id'], snapshot_id,
image_id)
return volume
def _create_cg_from_source_cg(self, context, group, source_cgid):
try:
source_cg = objects.ConsistencyGroup.get_by_id(
context, source_cgid)
source_vols = self.db.volume_get_all_by_group(
context, source_cg.id)
if not source_vols:
msg = _("Source CG is empty. No consistency group "
"will be created.")
raise exception.InvalidConsistencyGroup(reason=msg)
try:
values = {'volumes': len(source_vols)}
QUOTAS.limit_check(context,
project_id=context.project_id,
**values)
except exception.OverQuota as e:
group.destroy()
quotas = e.kwargs['quotas']
raise exception.VolumeLimitExceeded(allowed=e.kwargs['overs'],
limit=quotas['volumes'])
for source_vol in source_vols:
kwargs = {}
kwargs['availability_zone'] = group.availability_zone
kwargs['source_cg'] = source_cg
kwargs['consistencygroup'] = group
kwargs['source_volume'] = source_vol
volume_type_id = source_vol.get('volume_type_id')
if volume_type_id:
kwargs['volume_type'] = (
objects.VolumeType.get_by_name_or_id(
context, volume_type_id))
# Since source_cg is passed in, the following call will
# create a db entry for the volume, but will not call the
# volume manager to create a real volume in the backend yet.
# If error happens, taskflow will handle rollback of quota
# and removal of volume entry in the db.
try:
self.volume_api.create(context, source_vol['size'], None,
None, **kwargs)
except exception.CinderException:
with excutils.save_and_reraise_exception():
LOG.error(
"Error occurred when creating cloned "
"volume in the process of creating "
"consistency group %(group)s from "
"source CG %(source_cg)s.", {
'group': group.id,
'source_cg': source_cg.id
})
except Exception:
with excutils.save_and_reraise_exception():
try:
new_vols = self.db.volume_get_all_by_group(
context, group.id)
for vol in new_vols:
self.volume_api.delete(context, vol, force=True)
group.destroy()
finally:
LOG.error(
"Error occurred when creating consistency "
"group %(group)s from source CG "
"%(source_cg)s.", {
'group': group.id,
'source_cg': source_cg.id
})
volumes = self.db.volume_get_all_by_group(context, group.id)
for vol in volumes:
# Update the host field for the volume.
self.db.volume_update(context, vol['id'], {'host': group.host})
self.volume_rpcapi.create_consistencygroup_from_src(
context, group, None, source_cg)
def create(self,
context,
size,
name,
description,
snapshot=None,
image_id=None,
volume_type=None,
metadata=None,
availability_zone=None,
source_volume=None,
scheduler_hints=None):
exclusive_options = (snapshot, image_id, source_volume)
exclusive_options_set = sum(1 for option in exclusive_options
if option is not None)
if exclusive_options_set > 1:
msg = (_("May specify only one of snapshot, imageRef "
"or source volume"))
raise exception.InvalidInput(reason=msg)
check_policy(context, 'create')
if snapshot is not None:
if snapshot['status'] != "available":
msg = _("status must be available")
raise exception.InvalidSnapshot(reason=msg)
if not size:
size = snapshot['volume_size']
elif size < snapshot['volume_size']:
msg = _("Volume size cannot be lesser than"
" the Snapshot size")
raise exception.InvalidInput(reason=msg)
snapshot_id = snapshot['id']
else:
snapshot_id = None
if source_volume is not None:
if source_volume['status'] == "error":
msg = _("Unable to clone volumes that are in an error state")
raise exception.InvalidSourceVolume(reason=msg)
if not size:
size = source_volume['size']
else:
if size < source_volume['size']:
msg = _("Clones currently must be "
">= original volume size.")
raise exception.InvalidInput(reason=msg)
source_volid = source_volume['id']
else:
source_volid = None
def as_int(s):
try:
return int(s)
except (ValueError, TypeError):
return s
# tolerate size as stringified int
size = as_int(size)
if not isinstance(size, int) or size <= 0:
msg = (
_("Volume size '%s' must be an integer and greater than 0") %
size)
raise exception.InvalidInput(reason=msg)
if (image_id and not (source_volume or snapshot)):
# check image existence
image_meta = self.image_service.show(context, image_id)
image_size_in_gb = (int(image_meta['size']) + GB - 1) / GB
#check image size is not larger than volume size.
if image_size_in_gb > size:
msg = _('Size of specified image is larger than volume size.')
raise exception.InvalidInput(reason=msg)
# Check image minDisk requirement is met for the particular volume
if size < image_meta.get('min_disk', 0):
msg = _('Image minDisk size is larger than the volume size.')
raise exception.InvalidInput(reason=msg)
if availability_zone is None:
if snapshot is not None:
availability_zone = snapshot['volume']['availability_zone']
elif source_volume is not None:
availability_zone = source_volume['availability_zone']
else:
availability_zone = CONF.storage_availability_zone
else:
self._check_availabilty_zone(availability_zone)
if CONF.cloned_volume_same_az:
if (snapshot and snapshot['volume']['availability_zone'] !=
availability_zone):
msg = _("Volume must be in the same "
"availability zone as the snapshot")
raise exception.InvalidInput(reason=msg)
elif source_volume and \
source_volume['availability_zone'] != availability_zone:
msg = _("Volume must be in the same "
"availability zone as the source volume")
raise exception.InvalidInput(reason=msg)
if not volume_type and not source_volume:
volume_type = volume_types.get_default_volume_type()
if not volume_type and source_volume:
volume_type_id = source_volume['volume_type_id']
else:
volume_type_id = volume_type.get('id')
try:
reserve_opts = {'volumes': 1, 'gigabytes': size}
QUOTAS.add_volume_type_opts(context, reserve_opts, volume_type_id)
reservations = QUOTAS.reserve(context, **reserve_opts)
except exception.OverQuota as e:
overs = e.kwargs['overs']
usages = e.kwargs['usages']
quotas = e.kwargs['quotas']
def _consumed(name):
return (usages[name]['reserved'] + usages[name]['in_use'])
for over in overs:
if 'gigabytes' in over:
msg = _("Quota exceeded for %(s_pid)s, tried to create "
"%(s_size)sG volume (%(d_consumed)dG of "
"%(d_quota)dG already consumed)")
LOG.warn(
msg % {
's_pid': context.project_id,
's_size': size,
'd_consumed': _consumed(over),
'd_quota': quotas[over]
})
raise exception.VolumeSizeExceedsAvailableQuota()
elif 'volumes' in over:
msg = _("Quota exceeded for %(s_pid)s, tried to create "
"volume (%(d_consumed)d volumes"
"already consumed)")
LOG.warn(msg % {
's_pid': context.project_id,
'd_consumed': _consumed(over)
})
raise exception.VolumeLimitExceeded(allowed=quotas[over])
self._check_metadata_properties(context, metadata)
options = {
'size': size,
'user_id': context.user_id,
'project_id': context.project_id,
'snapshot_id': snapshot_id,
'availability_zone': availability_zone,
'status': "creating",
'attach_status': "detached",
'display_name': name,
'display_description': description,
'volume_type_id': volume_type_id,
'metadata': metadata,
'source_volid': source_volid
}
try:
volume = self.db.volume_create(context, options)
QUOTAS.commit(context, reservations)
except Exception:
with excutils.save_and_reraise_exception():
try:
self.db.volume_destroy(context, volume['id'])
finally:
QUOTAS.rollback(context, reservations)
request_spec = {
'volume_properties': options,
'volume_type': volume_type,
'volume_id': volume['id'],
'snapshot_id': volume['snapshot_id'],
'image_id': image_id,
'source_volid': volume['source_volid']
}
if scheduler_hints:
filter_properties = {'scheduler_hints': scheduler_hints}
else:
filter_properties = {}
self._cast_create_volume(context, request_spec, filter_properties)
return volume
def create(self,
context,
size,
name,
description,
snapshot=None,
image_id=None,
volume_type=None,
metadata=None,
availability_zone=None,
source_volume=None):
if ((snapshot is not None) and (source_volume is not None)):
msg = (_("May specify either snapshot, "
"or src volume but not both!"))
raise exception.InvalidInput(reason=msg)
check_policy(context, 'create')
if snapshot is not None:
if snapshot['status'] != "available":
msg = _("status must be available")
raise exception.InvalidSnapshot(reason=msg)
if not size:
size = snapshot['volume_size']
snapshot_id = snapshot['id']
else:
snapshot_id = None
if source_volume is not None:
if source_volume['status'] == "error":
msg = _("Unable to clone volumes that are in an error state")
raise exception.InvalidSourceVolume(reason=msg)
if not size:
size = source_volume['size']
else:
if size < source_volume['size']:
msg = _("Clones currently must be "
">= original volume size.")
raise exception.InvalidInput(reason=msg)
source_volid = source_volume['id']
else:
source_volid = None
def as_int(s):
try:
return int(s)
except (ValueError, TypeError):
return s
# tolerate size as stringified int
size = as_int(size)
if not isinstance(size, int) or size <= 0:
msg = (
_("Volume size '%s' must be an integer and greater than 0") %
size)
raise exception.InvalidInput(reason=msg)
if (image_id and not (source_volume or snapshot)):
# check image existence
image_meta = self.image_service.show(context, image_id)
image_size_in_gb = (int(image_meta['size']) + GB - 1) / GB
#check image size is not larger than volume size.
if image_size_in_gb > size:
msg = _('Size of specified image is larger than volume size.')
raise exception.InvalidInput(reason=msg)
try:
reservations = QUOTAS.reserve(context, volumes=1, gigabytes=size)
except exception.OverQuota as e:
overs = e.kwargs['overs']
usages = e.kwargs['usages']
quotas = e.kwargs['quotas']
def _consumed(name):
return (usages[name]['reserved'] + usages[name]['in_use'])
if 'gigabytes' in overs:
msg = _("Quota exceeded for %(s_pid)s, tried to create "
"%(s_size)sG volume (%(d_consumed)dG of %(d_quota)dG "
"already consumed)")
LOG.warn(
msg % {
's_pid': context.project_id,
's_size': size,
'd_consumed': _consumed('gigabytes'),
'd_quota': quotas['gigabytes']
})
raise exception.VolumeSizeExceedsAvailableQuota()
elif 'volumes' in overs:
msg = _("Quota exceeded for %(s_pid)s, tried to create "
"volume (%(d_consumed)d volumes"
"already consumed)")
LOG.warn(
msg % {
's_pid': context.project_id,
'd_consumed': _consumed('volumes')
})
raise exception.VolumeLimitExceeded(allowed=quotas['volumes'])
if availability_zone is None:
availability_zone = FLAGS.storage_availability_zone
if not volume_type and not source_volume:
volume_type = volume_types.get_default_volume_type()
if not volume_type and source_volume:
volume_type_id = source_volume['volume_type_id']
else:
volume_type_id = volume_type.get('id')
self._check_metadata_properties(context, metadata)
options = {
'size': size,
'user_id': context.user_id,
'project_id': context.project_id,
'snapshot_id': snapshot_id,
'availability_zone': availability_zone,
'status': "creating",
'attach_status': "detached",
'display_name': name,
'display_description': description,
'volume_type_id': volume_type_id,
'metadata': metadata,
'source_volid': source_volid
}
try:
volume = self.db.volume_create(context, options)
QUOTAS.commit(context, reservations)
except Exception:
with excutils.save_and_reraise_exception():
try:
self.db.volume_destroy(context, volume['id'])
finally:
QUOTAS.rollback(context, reservations)
request_spec = {
'volume_properties': options,
'volume_type': volume_type,
'volume_id': volume['id'],
'snapshot_id': volume['snapshot_id'],
'image_id': image_id,
'source_volid': volume['source_volid']
}
filter_properties = {}
self._cast_create_volume(context, request_spec, filter_properties)
return volume
def accept(self, context, transfer_id, auth_key):
"""Accept a volume that has been offered for transfer."""
# We must use an elevated context to see the volume that is still
# owned by the donor.
volume_api.check_policy(context, 'accept_transfer')
transfer = self.db.transfer_get(context.elevated(), transfer_id)
crypt_hash = self._get_crypt_hash(transfer['salt'], auth_key)
if crypt_hash != transfer['crypt_hash']:
msg = (_("Attempt to transfer %s with invalid auth key.") %
transfer_id)
LOG.error(msg)
raise exception.InvalidAuthKey(reason=msg)
volume_id = transfer['volume_id']
vol_ref = self.db.volume_get(context.elevated(), volume_id)
try:
reservations = QUOTAS.reserve(context,
volumes=1,
gigabytes=vol_ref['size'])
except exception.OverQuota as e:
overs = e.kwargs['overs']
usages = e.kwargs['usages']
quotas = e.kwargs['quotas']
def _consumed(name):
return (usages[name]['reserved'] + usages[name]['in_use'])
if 'gigabytes' in overs:
msg = _("Quota exceeded for %(s_pid)s, tried to create "
"%(s_size)sG volume (%(d_consumed)dG of %(d_quota)dG "
"already consumed)")
LOG.warn(
msg % {
's_pid': context.project_id,
's_size': vol_ref['size'],
'd_consumed': _consumed('gigabytes'),
'd_quota': quotas['gigabytes']
})
raise exception.VolumeSizeExceedsAvailableQuota()
elif 'volumes' in overs:
msg = _("Quota exceeded for %(s_pid)s, tried to create "
"volume (%(d_consumed)d volumes "
"already consumed)")
LOG.warn(
msg % {
's_pid': context.project_id,
'd_consumed': _consumed('volumes')
})
raise exception.VolumeLimitExceeded(allowed=quotas['volumes'])
try:
donor_id = vol_ref['project_id']
donor_reservations = QUOTAS.reserve(context.elevated(),
project_id=donor_id,
volumes=-1,
gigabytes=-vol_ref['size'])
except Exception:
donor_reservations = None
LOG.exception(
_("Failed to update quota donating volume"
"transfer id %s") % transfer_id)
try:
# Transfer ownership of the volume now, must use an elevated
# context.
self.volume_api.accept_transfer(context, vol_ref)
self.db.transfer_accept(context.elevated(), transfer_id,
context.user_id, context.project_id)
QUOTAS.commit(context, reservations)
if donor_reservations:
QUOTAS.commit(context, donor_reservations, project_id=donor_id)
LOG.info(_("Volume %s has been transferred.") % volume_id)
except Exception:
with excutils.save_and_reraise_exception():
QUOTAS.rollback(context, reservations)
if donor_reservations:
QUOTAS.rollback(context,
donor_reservations,
project_id=donor_id)
vol_ref = self.db.volume_get(context, volume_id)
return {
'id': transfer_id,
'display_name': transfer['display_name'],
'volume_id': vol_ref['id']
}