def _get_actual_path_for_export(self, export_path):
"""Gets the actual path on the filer for export path."""
storage_path = NaElement.create_node_with_children("nfs-exportfs-storage-path", **{"pathname": export_path})
result = self._invoke_successfully(storage_path, None)
if result.get_child_content("actual-pathname"):
return result.get_child_content("actual-pathname")
raise exception.NotFound(_("No storage path found for export path %s") % (export_path))
def _map_lun(self, name, initiator, initiator_type='iscsi', lun_id=None):
"""Maps lun to the initiator and returns lun id assigned."""
metadata = self._get_lun_attr(name, 'metadata')
os = metadata['OsType']
path = metadata['Path']
if self._check_allowed_os(os):
os = os
else:
os = 'default'
igroup_name = self._get_or_create_igroup(initiator,
initiator_type, os)
lun_map = NaElement.create_node_with_children(
'lun-map', **{'path': path,
'initiator-group': igroup_name})
if lun_id:
lun_map.add_new_child('lun-id', lun_id)
try:
result = self.client.invoke_successfully(lun_map, True)
return result.get_child_content('lun-id-assigned')
except NaApiError as e:
code = e.code
message = e.message
msg = _('Error mapping lun. Code :%(code)s, Message:%(message)s')
msg_fmt = {'code': code, 'message': message}
exc_info = sys.exc_info()
LOG.warn(msg % msg_fmt)
(igroup, lun_id) = self._find_mapped_lun_igroup(path, initiator)
if lun_id is not None:
return lun_id
else:
raise exc_info[0], exc_info[1], exc_info[2]
def _add_igroup_initiator(self, igroup, initiator):
"""Adds initiators to the specified igroup."""
igroup_add = NaElement.create_node_with_children(
'igroup-add',
**{'initiator-group-name': igroup,
'initiator': initiator})
self.client.invoke_successfully(igroup_add, True)
def _clone_lun(self, name, new_name, space_reserved):
"""Clone LUN with the given handle to the new name."""
metadata = self._get_lun_attr(name, 'metadata')
path = metadata['Path']
(parent, splitter, name) = path.rpartition('/')
clone_path = '%s/%s' % (parent, new_name)
clone_start = NaElement.create_node_with_children(
'clone-start',
**{'source-path': path, 'destination-path': clone_path,
'no-snap': 'true'})
result = self.client.invoke_successfully(clone_start, True)
clone_id_el = result.get_child_by_name('clone-id')
cl_id_info = clone_id_el.get_child_by_name('clone-id-info')
vol_uuid = cl_id_info.get_child_content('volume-uuid')
clone_id = cl_id_info.get_child_content('clone-op-id')
if vol_uuid:
self._check_clone_status(clone_id, vol_uuid, name, new_name)
cloned_lun = self._get_lun_by_args(path=clone_path)
if cloned_lun:
self._set_space_reserve(clone_path, space_reserved)
clone_meta = self._create_lun_meta(cloned_lun)
handle = self._create_lun_handle(clone_meta)
self._add_lun_to_table(
NetAppLun(handle, new_name,
cloned_lun.get_child_content('size'),
clone_meta))
else:
raise NaApiError('ENOLUNENTRY', 'No Lun entry found on the filer')
def _clone_lun(self, name, new_name, space_reserved):
"""Clone LUN with the given handle to the new name."""
metadata = self._get_lun_attr(name, 'metadata')
path = metadata['Path']
(parent, splitter, name) = path.rpartition('/')
clone_path = '%s/%s' % (parent, new_name)
clone_start = NaElement.create_node_with_children(
'clone-start',
**{'source-path': path, 'destination-path': clone_path,
'no-snap': 'true'})
result = self.client.invoke_successfully(clone_start, True)
clone_id_el = result.get_child_by_name('clone-id')
cl_id_info = clone_id_el.get_child_by_name('clone-id-info')
vol_uuid = cl_id_info.get_child_content('volume-uuid')
clone_id = cl_id_info.get_child_content('clone-op-id')
if vol_uuid:
self._check_clone_status(clone_id, vol_uuid, name, new_name)
cloned_lun = self._get_lun_by_args(path=clone_path)
if cloned_lun:
self._set_space_reserve(clone_path, space_reserved)
clone_meta = self._create_lun_meta(cloned_lun)
handle = self._create_lun_handle(clone_meta)
self._add_lun_to_table(
NetAppLun(handle, new_name,
cloned_lun.get_child_content('size'),
clone_meta))
else:
raise NaApiError('ENOLUNENTRY', 'No Lun entry found on the filer')
def _map_lun(self, name, initiator, initiator_type='iscsi', lun_id=None):
"""Maps lun to the initiator and returns lun id assigned."""
metadata = self._get_lun_attr(name, 'metadata')
os = metadata['OsType']
path = metadata['Path']
if self._check_allowed_os(os):
os = os
else:
os = 'default'
igroup_name = self._get_or_create_igroup(initiator,
initiator_type, os)
lun_map = NaElement.create_node_with_children(
'lun-map', **{'path': path,
'initiator-group': igroup_name})
if lun_id:
lun_map.add_new_child('lun-id', lun_id)
try:
result = self.client.invoke_successfully(lun_map, True)
return result.get_child_content('lun-id-assigned')
except NaApiError as e:
code = e.code
message = e.message
msg = _('Error mapping lun. Code :%(code)s, Message:%(message)s')
msg_fmt = {'code': code, 'message': message}
exc_info = sys.exc_info()
LOG.warn(msg % msg_fmt)
(igroup, lun_id) = self._find_mapped_lun_igroup(path, initiator)
if lun_id is not None:
return lun_id
else:
raise exc_info[0], exc_info[1], exc_info[2]
def _add_igroup_initiator(self, igroup, initiator):
"""Adds initiators to the specified igroup."""
igroup_add = NaElement.create_node_with_children(
'igroup-add',
**{'initiator-group-name': igroup,
'initiator': initiator})
self.client.invoke_successfully(igroup_add, True)
def _create_lun_on_eligible_vol(self, name, size, metadata,
extra_specs=None):
"""Creates an actual lun on filer."""
req_size = float(size) *\
float(self.configuration.netapp_size_multiplier)
volumes = self._get_avl_volumes(req_size, extra_specs)
if not volumes:
msg = _('Failed to get vol with required'
' size and extra specs for volume: %s')
raise exception.VolumeBackendAPIException(data=msg % name)
for volume in volumes:
try:
path = '/vol/%s/%s' % (volume.id['name'], name)
lun_create = NaElement.create_node_with_children(
'lun-create-by-size',
**{'path': path, 'size': size,
'ostype': metadata['OsType']})
self.client.invoke_successfully(lun_create, True)
metadata['Path'] = '/vol/%s/%s' % (volume.id['name'], name)
metadata['Volume'] = volume.id['name']
metadata['Qtree'] = None
return
except NaApiError:
LOG.warn(_("Error provisioning vol %(name)s on %(volume)s")
% {'name': name, 'volume': volume.id['name']})
finally:
self._update_stale_vols(volume=volume)
def _map_lun(self, name, initiator, initiator_type="iscsi", lun_id=None):
"""Maps lun to the initiator and returns lun id assigned."""
metadata = self._get_lun_attr(name, "metadata")
os = metadata["OsType"]
path = metadata["Path"]
if self._check_allowed_os(os):
os = os
else:
os = "default"
igroup_name = self._get_or_create_igroup(initiator, initiator_type, os)
lun_map = NaElement.create_node_with_children("lun-map", **{"path": path, "initiator-group": igroup_name})
if lun_id:
lun_map.add_new_child("lun-id", lun_id)
try:
result = self.client.invoke_successfully(lun_map, True)
return result.get_child_content("lun-id-assigned")
except NaApiError as e:
code = e.code
message = e.message
msg = _("Error mapping lun. Code :%(code)s, Message:%(message)s")
msg_fmt = {"code": code, "message": message}
exc_info = sys.exc_info()
LOG.warn(msg % msg_fmt)
(igroup, lun_id) = self._find_mapped_lun_igroup(path, initiator)
if lun_id is not None:
return lun_id
else:
raise exc_info[0], exc_info[1], exc_info[2]
def _create_igroup(self, igroup, igroup_type='iscsi', os_type='default'):
"""Creates igoup with specified args."""
igroup_create = NaElement.create_node_with_children(
'igroup-create',
**{'initiator-group-name': igroup,
'initiator-group-type': igroup_type,
'os-type': os_type})
self.client.invoke_successfully(igroup_create, True)
def _set_space_reserve(self, path, enable):
"""Sets the space reserve info."""
space_res = NaElement.create_node_with_children(
'lun-set-space-reservation-info', **{
'path': path,
'enable': enable
})
self.client.invoke_successfully(space_res, True)
def _create_igroup(self, igroup, igroup_type='iscsi', os_type='default'):
"""Creates igoup with specified args."""
igroup_create = NaElement.create_node_with_children(
'igroup-create',
**{'initiator-group-name': igroup,
'initiator-group-type': igroup_type,
'os-type': os_type})
self.client.invoke_successfully(igroup_create, True)
def _get_cluster_file_usage(self, path, vserver):
"""Gets the file unique bytes."""
LOG.debug(_("Getting file usage for %s"), path)
file_use = NaElement.create_node_with_children("file-usage-get", **{"path": path})
res = self._invoke_successfully(file_use, vserver)
bytes = res.get_child_content("unique-bytes")
LOG.debug(_("file-usage for path %(path)s is %(bytes)s") % {"path": path, "bytes": bytes})
return bytes
def _get_actual_path_for_export(self, export_path):
"""Gets the actual path on the filer for export path."""
storage_path = NaElement.create_node_with_children(
'nfs-exportfs-storage-path', **{'pathname': export_path})
result = self._invoke_successfully(storage_path, None)
if result.get_child_content('actual-pathname'):
return result.get_child_content('actual-pathname')
raise exception.NotFound(_('No storage path found for export path %s')
% (export_path))
def _get_lun_by_args(self, **args):
"""Retrives lun with specified args."""
lun_info = NaElement.create_node_with_children('lun-list-info', **args)
result = self.client.invoke_successfully(lun_info, True)
luns = result.get_child_by_name('luns')
if luns:
infos = luns.get_children()
if infos:
return infos[0]
return None
def _clone_file(self, volume, src_path, dest_path, vserver=None):
"""Clones file on vserver"""
LOG.debug(_("""Cloning with params volume %(volume)s,src %(src_path)s,
dest %(dest_path)s, vserver %(vserver)s""")
% locals())
clone_create = NaElement.create_node_with_children(
'clone-create',
**{'volume': volume, 'source-path': src_path,
'destination-path': dest_path})
self._invoke_successfully(clone_create, vserver)
def _get_lun_by_args(self, **args):
"""Retrives lun with specified args."""
lun_info = NaElement.create_node_with_children("lun-list-info", **args)
result = self.client.invoke_successfully(lun_info, True)
luns = result.get_child_by_name("luns")
if luns:
infos = luns.get_children()
if infos:
return infos[0]
return None
def _check_vol_not_root(self, vol):
"""Checks if a volume is not root."""
vol_options = NaElement.create_node_with_children("volume-options-list-info", **{"volume": vol["name"]})
result = self.client.invoke_successfully(vol_options, True)
options = result.get_child_by_name("options")
ops = options.get_children()
for op in ops:
if op.get_child_content("name") == "root" and op.get_child_content("value") == "true":
return False
return True
def _clone_file(self, volume, src_path, dest_path, vserver=None):
"""Clones file on vserver."""
LOG.debug(_("""Cloning with params volume %(volume)s,src %(src_path)s,
dest %(dest_path)s, vserver %(vserver)s""")
% locals())
clone_create = NaElement.create_node_with_children(
'clone-create',
**{'volume': volume, 'source-path': src_path,
'destination-path': dest_path})
self._invoke_successfully(clone_create, vserver)
def _check_vol_not_root(self, vol):
"""Checks if a volume is not root."""
vol_options = NaElement.create_node_with_children(
'volume-options-list-info', **{'volume': vol['name']})
result = self.client.invoke_successfully(vol_options, True)
options = result.get_child_by_name('options')
ops = options.get_children()
for op in ops:
if op.get_child_content('name') == 'root' and\
op.get_child_content('value') == 'true':
return False
return True
def _clone_file(self, volume, src_path, dest_path, vserver=None):
"""Clones file on vserver."""
msg = _(
"""Cloning with params volume %(volume)s, src %(src_path)s,
dest %(dest_path)s, vserver %(vserver)s"""
)
msg_fmt = {"volume": volume, "src_path": src_path, "dest_path": dest_path, "vserver": vserver}
LOG.debug(msg % msg_fmt)
clone_create = NaElement.create_node_with_children(
"clone-create", **{"volume": volume, "source-path": src_path, "destination-path": dest_path}
)
self._invoke_successfully(clone_create, vserver)
def _check_vol_not_root(self, vol):
"""Checks if a volume is not root."""
vol_options = NaElement.create_node_with_children(
'volume-options-list-info', **{'volume': vol['name']})
result = self.client.invoke_successfully(vol_options, True)
options = result.get_child_by_name('options')
ops = options.get_children()
for op in ops:
if op.get_child_content('name') == 'root' and\
op.get_child_content('value') == 'true':
return False
return True
def _get_cluster_file_usage(self, path, vserver):
"""Gets the file unique bytes."""
LOG.debug(_('Getting file usage for %s'), path)
file_use = NaElement.create_node_with_children('file-usage-get',
**{'path': path})
res = self._invoke_successfully(file_use, vserver)
bytes = res.get_child_content('unique-bytes')
LOG.debug(
_('file-usage for path %(path)s is %(bytes)s') % {
'path': path,
'bytes': bytes
})
return bytes
def delete_volume(self, volume):
"""Driver entry point for destroying existing volumes."""
name = volume["name"]
metadata = self._get_lun_attr(name, "metadata")
if not metadata:
msg = _("No entry in LUN table for volume/snapshot %(name)s.")
msg_fmt = {"name": name}
LOG.warn(msg % msg_fmt)
return
lun_destroy = NaElement.create_node_with_children("lun-destroy", **{"path": metadata["Path"], "force": "true"})
self.client.invoke_successfully(lun_destroy, True)
LOG.debug(_("Destroyed LUN %s") % name)
self.lun_table.pop(name)
def delete_volume(self, volume):
"""Driver entry point for destroying existing volumes."""
name = volume['name']
metadata = self._get_lun_attr(name, 'metadata')
if not metadata:
msg = _("No entry in LUN table for volume/snapshot %(name)s.")
msg_fmt = {'name': name}
LOG.warn(msg % msg_fmt)
return
lun_destroy = NaElement.create_node_with_children(
'lun-destroy',
**{'path': metadata['Path'], 'force': 'true'})
self.client.invoke_successfully(lun_destroy, True)
LOG.debug(_("Destroyed LUN %s") % name)
self.lun_table.pop(name)
def _unmap_lun(self, path, initiator):
"""Unmaps a lun from given initiator."""
(igroup_name, lun_id) = self._find_mapped_lun_igroup(path, initiator)
lun_unmap = NaElement.create_node_with_children("lun-unmap", **{"path": path, "initiator-group": igroup_name})
try:
self.client.invoke_successfully(lun_unmap, True)
except NaApiError as e:
msg = _("Error unmapping lun. Code :%(code)s," " Message:%(message)s")
msg_fmt = {"code": e.code, "message": e.message}
LOG.warn(msg % msg_fmt)
# if the lun is already unmapped
if e.code == "13115" or e.code == "9016":
pass
else:
raise e
def _clear_clone(self, clone_id):
"""Clear the clone information.
Invoke this in case of failed clone.
"""
clone_clear = NaElement.create_node_with_children(
'clone-clear', **{'clone-id': clone_id})
retry = 3
while retry:
try:
self._invoke_successfully(clone_clear, None)
break
except Exception as e:
# Filer might be rebooting
time.sleep(5)
retry = retry - 1
def _clear_clone(self, clone_id):
"""Clear the clone information.
Invoke this in case of failed clone.
"""
clone_clear = NaElement.create_node_with_children(
'clone-clear',
**{'clone-id': clone_id})
retry = 3
while retry:
try:
self._invoke_successfully(clone_clear, None)
break
except Exception as e:
# Filer might be rebooting
time.sleep(5)
retry = retry - 1
def delete_volume(self, volume):
"""Driver entry point for destroying existing volumes."""
name = volume['name']
metadata = self._get_lun_attr(name, 'metadata')
if not metadata:
msg = _("No entry in LUN table for volume/snapshot %(name)s.")
msg_fmt = {'name': name}
LOG.warn(msg % msg_fmt)
return
lun_destroy = NaElement.create_node_with_children(
'lun-destroy',
**{'path': metadata['Path'],
'force': 'true'})
self.client.invoke_successfully(lun_destroy, True)
LOG.debug(_("Destroyed LUN %s") % name)
self.lun_table.pop(name)
def _start_clone(self, src_path, dest_path):
"""Starts the clone operation.
:returns: clone-id
"""
msg_fmt = {"src_path": src_path, "dest_path": dest_path}
LOG.debug(_("""Cloning with src %(src_path)s, dest %(dest_path)s""") % msg_fmt)
clone_start = NaElement.create_node_with_children(
"clone-start", **{"source-path": src_path, "destination-path": dest_path, "no-snap": "true"}
)
result = self._invoke_successfully(clone_start, None)
clone_id_el = result.get_child_by_name("clone-id")
cl_id_info = clone_id_el.get_child_by_name("clone-id-info")
vol_uuid = cl_id_info.get_child_content("volume-uuid")
clone_id = cl_id_info.get_child_content("clone-op-id")
return (clone_id, vol_uuid)
def _start_clone(self, src_path, dest_path):
"""Starts the clone operation.
Returns the clone-id
"""
LOG.debug(_("""Cloning with src %(src_path)s, dest %(dest_path)s""")
% locals())
clone_start = NaElement.create_node_with_children(
'clone-start',
**{'source-path': src_path,
'destination-path': dest_path,
'no-snap': 'true'})
result = self._invoke_successfully(clone_start, None)
clone_id_el = result.get_child_by_name('clone-id')
cl_id_info = clone_id_el.get_child_by_name('clone-id-info')
vol_uuid = cl_id_info.get_child_content('volume-uuid')
clone_id = cl_id_info.get_child_content('clone-op-id')
return (clone_id, vol_uuid)
def _start_clone(self, src_path, dest_path):
"""Starts the clone operation.
:returns: clone-id
"""
LOG.debug(_("""Cloning with src %(src_path)s, dest %(dest_path)s""")
% locals())
clone_start = NaElement.create_node_with_children(
'clone-start',
**{'source-path': src_path,
'destination-path': dest_path,
'no-snap': 'true'})
result = self._invoke_successfully(clone_start, None)
clone_id_el = result.get_child_by_name('clone-id')
cl_id_info = clone_id_el.get_child_by_name('clone-id-info')
vol_uuid = cl_id_info.get_child_content('volume-uuid')
clone_id = cl_id_info.get_child_content('clone-op-id')
return (clone_id, vol_uuid)
def _create_lun_on_eligible_vol(self, name, size, metadata,
extra_specs=None):
"""Creates an actual lun on filer."""
req_size = float(size) *\
float(self.configuration.netapp_size_multiplier)
volume = self._get_avl_volume_by_size(req_size)
if not volume:
msg = _('Failed to get vol with required size for volume: %s')
raise exception.VolumeBackendAPIException(data=msg % name)
path = '/vol/%s/%s' % (volume['name'], name)
lun_create = NaElement.create_node_with_children(
'lun-create-by-size',
**{'path': path, 'size': size, 'ostype': metadata['OsType'],
'space-reservation-enabled': metadata['SpaceReserved']})
self.client.invoke_successfully(lun_create, True)
metadata['Path'] = '/vol/%s/%s' % (volume['name'], name)
metadata['Volume'] = volume['name']
metadata['Qtree'] = None
def _create_lun_on_eligible_vol(self, name, size, metadata):
"""Creates an actual lun on filer."""
req_size = float(size) *\
float(self.configuration.netapp_size_multiplier)
volume = self._get_avl_volume_by_size(req_size)
if not volume:
msg = _('Failed to get vol with required size for volume: %s')
raise exception.VolumeBackendAPIException(data=msg % name)
path = '/vol/%s/%s' % (volume['name'], name)
lun_create = NaElement.create_node_with_children(
'lun-create-by-size',
**{'path': path, 'size': size,
'ostype': metadata['OsType'],
'space-reservation-enabled':
metadata['SpaceReserved']})
self.client.invoke_successfully(lun_create, True)
metadata['Path'] = '/vol/%s/%s' % (volume['name'], name)
metadata['Volume'] = volume['name']
metadata['Qtree'] = None
def _unmap_lun(self, path, initiator):
"""Unmaps a lun from given initiator."""
(igroup_name, lun_id) = self._find_mapped_lun_igroup(path, initiator)
lun_unmap = NaElement.create_node_with_children(
'lun-unmap',
**{'path': path, 'initiator-group': igroup_name})
try:
self.client.invoke_successfully(lun_unmap, True)
except NaApiError as e:
msg = _("Error unmapping lun. Code :%(code)s,"
" Message:%(message)s")
msg_fmt = {'code': e.code, 'message': e.message}
exc_info = sys.exc_info()
LOG.warn(msg % msg_fmt)
# if the lun is already unmapped
if e.code == '13115' or e.code == '9016':
pass
else:
raise exc_info[0], exc_info[1], exc_info[2]
def _unmap_lun(self, path, initiator):
"""Unmaps a lun from given initiator."""
(igroup_name, lun_id) = self._find_mapped_lun_igroup(path, initiator)
lun_unmap = NaElement.create_node_with_children(
'lun-unmap',
**{'path': path,
'initiator-group': igroup_name})
try:
self.client.invoke_successfully(lun_unmap, True)
except NaApiError as e:
msg = _("Error unmapping lun. Code :%(code)s,"
" Message:%(message)s")
msg_fmt = {'code': e.code, 'message': e.message}
exc_info = sys.exc_info()
LOG.warn(msg % msg_fmt)
# if the lun is already unmapped
if e.code == '13115' or e.code == '9016':
pass
else:
raise exc_info[0], exc_info[1], exc_info[2]
def _create_lun_on_eligible_vol(self, name, size, metadata, extra_specs=None):
"""Creates an actual lun on filer."""
req_size = float(size) * float(self.configuration.netapp_size_multiplier)
volume = self._get_avl_volume_by_size(req_size)
if not volume:
msg = _("Failed to get vol with required size for volume: %s")
raise exception.VolumeBackendAPIException(data=msg % name)
path = "/vol/%s/%s" % (volume["name"], name)
lun_create = NaElement.create_node_with_children(
"lun-create-by-size",
**{
"path": path,
"size": size,
"ostype": metadata["OsType"],
"space-reservation-enabled": metadata["SpaceReserved"],
}
)
self.client.invoke_successfully(lun_create, True)
metadata["Path"] = "/vol/%s/%s" % (volume["name"], name)
metadata["Volume"] = volume["name"]
metadata["Qtree"] = None
def _clone_lun(self, name, new_name, space_reserved):
"""Clone LUN with the given handle to the new name."""
metadata = self._get_lun_attr(name, 'metadata')
volume = metadata['Volume']
clone_create = NaElement.create_node_with_children(
'clone-create',
**{'volume': volume, 'source-path': name,
'destination-path': new_name,
'space-reserve': space_reserved})
self.client.invoke_successfully(clone_create, True)
LOG.debug(_("Cloned LUN with new name %s") % new_name)
lun = self._get_lun_by_args(vserver=self.vserver, path='/vol/%s/%s'
% (volume, new_name))
if len(lun) == 0:
msg = _("No clonned lun named %s found on the filer")
raise exception.VolumeBackendAPIException(data=msg % (new_name))
clone_meta = self._create_lun_meta(lun[0])
self._add_lun_to_table(NetAppLun('%s:%s' % (clone_meta['Vserver'],
clone_meta['Path']),
new_name,
lun[0].get_child_content('size'),
clone_meta))
def _clone_lun(self, name, new_name, space_reserved):
"""Clone LUN with the given handle to the new name."""
metadata = self._get_lun_attr(name, 'metadata')
volume = metadata['Volume']
clone_create = NaElement.create_node_with_children(
'clone-create',
**{'volume': volume, 'source-path': name,
'destination-path': new_name,
'space-reserve': space_reserved})
self.client.invoke_successfully(clone_create, True)
LOG.debug(_("Cloned LUN with new name %s") % new_name)
lun = self._get_lun_by_args(vserver=self.vserver, path='/vol/%s/%s'
% (volume, new_name))
if len(lun) == 0:
msg = _("No clonned lun named %s found on the filer")
raise exception.VolumeBackendAPIException(data=msg % (new_name))
clone_meta = self._create_lun_meta(lun[0])
self._add_lun_to_table(NetAppLun('%s:%s' % (clone_meta['Vserver'],
clone_meta['Path']),
new_name,
lun[0].get_child_content('size'),
clone_meta))
def _find_mapped_lun_igroup(self, path, initiator, os=None):
"""Find the igroup for mapped lun with initiator."""
lun_map_list = NaElement.create_node_with_children("lun-map-list-info", **{"path": path})
result = self.client.invoke_successfully(lun_map_list, True)
igroups = result.get_child_by_name("initiator-groups")
if igroups:
igroup = None
lun_id = None
found = False
igroup_infs = igroups.get_children()
for ig in igroup_infs:
initiators = ig.get_child_by_name("initiators")
init_infs = initiators.get_children()
for info in init_infs:
if info.get_child_content("initiator-name") == initiator:
found = True
igroup = ig.get_child_content("initiator-group-name")
lun_id = ig.get_child_content("lun-id")
break
if found:
break
return (igroup, lun_id)
def _find_mapped_lun_igroup(self, path, initiator, os=None):
"""Find the igroup for mapped lun with initiator."""
lun_map_list = NaElement.create_node_with_children(
'lun-map-list-info', **{'path': path})
result = self.client.invoke_successfully(lun_map_list, True)
igroups = result.get_child_by_name('initiator-groups')
if igroups:
igroup = None
lun_id = None
found = False
igroup_infs = igroups.get_children()
for ig in igroup_infs:
initiators = ig.get_child_by_name('initiators')
init_infs = initiators.get_children()
for info in init_infs:
if info.get_child_content('initiator-name') == initiator:
found = True
igroup = ig.get_child_content('initiator-group-name')
lun_id = ig.get_child_content('lun-id')
break
if found:
break
return (igroup, lun_id)
def _clone_lun(self, name, new_name, space_reserved):
"""Clone LUN with the given handle to the new name."""
metadata = self._get_lun_attr(name, "metadata")
volume = metadata["Volume"]
clone_create = NaElement.create_node_with_children(
"clone-create",
**{"volume": volume, "source-path": name, "destination-path": new_name, "space-reserve": space_reserved}
)
self.client.invoke_successfully(clone_create, True)
LOG.debug(_("Cloned LUN with new name %s") % new_name)
lun = self._get_lun_by_args(vserver=self.vserver, path="/vol/%s/%s" % (volume, new_name))
if len(lun) == 0:
msg = _("No clonned lun named %s found on the filer")
raise exception.VolumeBackendAPIException(data=msg % (new_name))
clone_meta = self._create_lun_meta(lun[0])
self._add_lun_to_table(
NetAppLun(
"%s:%s" % (clone_meta["Vserver"], clone_meta["Path"]),
new_name,
lun[0].get_child_content("size"),
clone_meta,
)
)
def _clone_lun(self, name, new_name, space_reserved):
"""Clone LUN with the given handle to the new name."""
metadata = self._get_lun_attr(name, "metadata")
path = metadata["Path"]
(parent, splitter, name) = path.rpartition("/")
clone_path = "%s/%s" % (parent, new_name)
clone_start = NaElement.create_node_with_children(
"clone-start", **{"source-path": path, "destination-path": clone_path, "no-snap": "true"}
)
result = self.client.invoke_successfully(clone_start, True)
clone_id_el = result.get_child_by_name("clone-id")
cl_id_info = clone_id_el.get_child_by_name("clone-id-info")
vol_uuid = cl_id_info.get_child_content("volume-uuid")
clone_id = cl_id_info.get_child_content("clone-op-id")
if vol_uuid:
self._check_clone_status(clone_id, vol_uuid, name, new_name)
cloned_lun = self._get_lun_by_args(path=clone_path)
if cloned_lun:
self._set_space_reserve(clone_path, space_reserved)
clone_meta = self._create_lun_meta(cloned_lun)
handle = self._create_lun_handle(clone_meta)
self._add_lun_to_table(NetAppLun(handle, new_name, cloned_lun.get_child_content("size"), clone_meta))
else:
raise NaApiError("ENOLUNENTRY", "No Lun entry found on the filer")
def _create_lun_on_eligible_vol(self, name, size, metadata, extra_specs=None):
"""Creates an actual lun on filer."""
req_size = float(size) * float(self.configuration.netapp_size_multiplier)
volumes = self._get_avl_volumes(req_size, extra_specs)
if not volumes:
msg = _("Failed to get vol with required" " size and extra specs for volume: %s")
raise exception.VolumeBackendAPIException(data=msg % name)
for volume in volumes:
try:
path = "/vol/%s/%s" % (volume.id["name"], name)
lun_create = NaElement.create_node_with_children(
"lun-create-by-size", **{"path": path, "size": size, "ostype": metadata["OsType"]}
)
self.client.invoke_successfully(lun_create, True)
metadata["Path"] = "/vol/%s/%s" % (volume.id["name"], name)
metadata["Volume"] = volume.id["name"]
metadata["Qtree"] = None
return
except NaApiError:
LOG.warn(
_("Error provisioning vol %(name)s on %(volume)s") % {"name": name, "volume": volume.id["name"]}
)
finally:
self._update_stale_vols(volume=volume)
def _create_file_usage_req(self, path):
"""Creates the request element for file_usage_get."""
file_use = NaElement.create_node_with_children('file-usage-get',
**{'path': path})
return file_use
def _create_file_usage_req(self, path):
"""Creates the request element for file_usage_get."""
file_use = NaElement.create_node_with_children("file-usage-get", **{"path": path})
return file_use
def _create_igroup(self, igroup, igroup_type="iscsi", os_type="default"):
"""Creates igoup with specified args."""
igroup_create = NaElement.create_node_with_children(
"igroup-create", **{"initiator-group-name": igroup, "initiator-group-type": igroup_type, "os-type": os_type}
)
self.client.invoke_successfully(igroup_create, True)
def _set_space_reserve(self, path, enable):
"""Sets the space reserve info."""
space_res = NaElement.create_node_with_children(
"lun-set-space-reservation-info", **{"path": path, "enable": enable}
)
self.client.invoke_successfully(space_res, True)
