def get_disk_used_by(objstore, conn, path):
try:
with objstore as session:
try:
used_by = session.get("storagevolume", path)["used_by"]
except (KeyError, NotFoundError):
wok_log.info("Volume %s not found in obj store." % path)
used_by = []
# 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"]:
used_by.append(vm)
try:
session.store("storagevolume", path, {"used_by": used_by}, get_kimchi_version())
except Exception as e:
# Let the exception be raised. If we allow disks'
# used_by to be out of sync, data corruption could
# occour if a disk is added to two guests
# unknowingly.
wok_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 used_by
def get_disk_used_by(objstore, conn, path):
try:
with objstore as session:
try:
used_by = session.get('storagevolume', path)['used_by']
except (KeyError, NotFoundError):
wok_log.info('Volume %s not found in obj store.' % path)
used_by = []
# 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']:
used_by.append(vm)
try:
session.store('storagevolume', path, {'used_by': used_by},
get_kimchi_version())
except Exception as e:
# Let the exception be raised. If we allow disks'
# used_by to be out of sync, data corruption could
# occour if a disk is added to two guests
# unknowingly.
wok_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 used_by
def get_disk_used_by(conn, path):
used_by = []
# 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']:
used_by.append(vm)
return used_by
def get_disk_used_by(conn, path):
used_by = []
# 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']:
used_by.append(vm)
return used_by
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:
hostDevices = root.devices.hostdev
except AttributeError:
continue
vm_devs = [DeviceModel.deduce_dev_name(e, self.conn)
for e in hostDevices]
for dev in vm_devs:
unavailable_devs.append(dev)
return unavailable_devs
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:
hostDevices = root.devices.hostdev
except AttributeError:
continue
vm_devs = [DeviceModel.deduce_dev_name(e, self.conn)
for e in hostDevices]
for dev in vm_devs:
unavailable_devs.append(dev)
return unavailable_devs
