def _get_ref_cnt(self, pool, name, path):
vol_id = '%s:%s' % (pool, name)
try:
with self.objstore as session:
try:
ref_cnt = session.get('storagevolume', vol_id)['ref_cnt']
except NotFoundError:
# Fix storage volume created outside kimchi scope
ref_cnt = 0
# try to find this volume in exsisted vm
vms = VMsModel.get_vms(self.conn)
for vm in vms:
dom = VMModel.get_vm(vm, self.conn)
storages = get_vm_disk_list(dom)
for disk in storages:
d_info = get_vm_disk(dom, disk)
if path == d_info['path']:
ref_cnt = ref_cnt + 1
session.store('storagevolume', vol_id,
{'ref_cnt': ref_cnt})
except Exception as e:
# This exception is going to catch errors returned by 'with',
# specially ones generated by 'session.store'. It is outside
# to avoid conflict with the __exit__ function of 'with'
raise OperationFailed('KCHVOL0017E', {'err': e.message})
return ref_cnt
def get_disk_ref_cnt(objstore, conn, path):
try:
with objstore as session:
try:
ref_cnt = session.get('storagevolume', path)['ref_cnt']
except NotFoundError:
kimchi_log.info('Volume %s not found in obj store.' % path)
ref_cnt = 0
# try to find this volume in existing vm
vms_list = VMsModel.get_vms(conn)
for vm in vms_list:
dom = VMModel.get_vm(vm, conn)
storages = get_vm_disks(dom)
for disk in storages.keys():
d_info = get_vm_disk_info(dom, disk)
if path == d_info['path']:
ref_cnt = ref_cnt + 1
try:
session.store('storagevolume', path, {'ref_cnt': ref_cnt})
except Exception as e:
# Let the exception be raised. If we allow disks'
# ref_cnts to be out of sync, data corruption could
# occour if a disk is added to two guests
# unknowingly.
kimchi_log.error(
'Unable to store storage volume id in'
' objectstore due error: %s', e.message)
raise OperationFailed('KCHVOL0017E', {'err': e.message})
except Exception as e:
# This exception is going to catch errors returned by 'with',
# specially ones generated by 'session.store'. It is outside
# to avoid conflict with the __exit__ function of 'with'
raise OperationFailed('KCHVOL0017E', {'err': e.message})
return ref_cnt
def _get_ref_cnt(self, pool, name, path):
vol_id = '%s:%s' % (pool, name)
try:
with self.objstore as session:
try:
ref_cnt = session.get('storagevolume', vol_id)['ref_cnt']
except NotFoundError:
# Fix storage volume created outside kimchi scope
ref_cnt = 0
# try to find this volume in exsisted vm
vms = VMsModel.get_vms(self.conn)
for vm in vms:
dom = VMModel.get_vm(vm, self.conn)
storages = get_vm_disk_list(dom)
for disk in storages:
d_info = get_vm_disk(dom, disk)
if path == d_info['path']:
ref_cnt = ref_cnt + 1
session.store('storagevolume', vol_id,
{'ref_cnt': ref_cnt})
except Exception as e:
# This exception is going to catch errors returned by 'with',
# specially ones generated by 'session.store'. It is outside
# to avoid conflict with the __exit__ function of 'with'
raise OperationFailed('KCHVOL0017E', {'err': e.message})
return ref_cnt
def _get_unavailable_devices(self):
vm_list = VMsModel.get_vms(self.conn)
unavailable_devs = []
for vm in vm_list:
dom = VMModel.get_vm(vm, self.conn)
xmlstr = dom.XMLDesc(0)
root = objectify.fromstring(xmlstr)
try:
hostdev = root.devices.hostdev
except AttributeError:
continue
vm_devs = [DeviceModel.deduce_dev_name(e, self.conn)
for e in hostdev]
for dev in vm_devs:
unavailable_devs.append(dev)
return unavailable_devs
def _get_ref_cnt(self, pool, name, path):
vol_id = '%s:%s' % (pool, name)
with self.objstore as session:
try:
ref_cnt = session.get('storagevolume', vol_id)['ref_cnt']
except NotFoundError:
# Fix storage volume created outside kimchi scope
ref_cnt = 0
args = {'conn': self.conn, 'objstore': self.objstore}
# try to find this volume in exsisted vm
vms = VMsModel.get_vms(self.conn)
for vm in vms:
storages = VMStoragesModel(**args).get_list(vm)
for disk in storages:
d_info = VMStorageModel(**args).lookup(vm, disk)
if path == d_info['path']:
ref_cnt = ref_cnt + 1
session.store('storagevolume', vol_id, {'ref_cnt': ref_cnt})
return ref_cnt
def get_disk_ref_cnt(objstore, conn, path):
try:
with objstore as session:
try:
ref_cnt = session.get('storagevolume', path)['ref_cnt']
except NotFoundError:
kimchi_log.info('Volume %s not found in obj store.' % path)
ref_cnt = 0
# try to find this volume in existing vm
vms_list = VMsModel.get_vms(conn)
for vm in vms_list:
dom = VMModel.get_vm(vm, conn)
storages = get_vm_disks(dom)
for disk in storages.keys():
d_info = get_vm_disk_info(dom, disk)
if path == d_info['path']:
ref_cnt = ref_cnt + 1
try:
session.store('storagevolume', path,
{'ref_cnt': ref_cnt})
except Exception as e:
# Let the exception be raised. If we allow disks'
# ref_cnts to be out of sync, data corruption could
# occour if a disk is added to two guests
# unknowingly.
kimchi_log.error('Unable to store storage volume id in'
' objectstore due error: %s',
e.message)
raise OperationFailed('KCHVOL0017E',
{'err': e.message})
except Exception as e:
# This exception is going to catch errors returned by 'with',
# specially ones generated by 'session.store'. It is outside
# to avoid conflict with the __exit__ function of 'with'
raise OperationFailed('KCHVOL0017E', {'err': e.message})
return ref_cnt