def detach_volume(self, connection_info, instance_name, mountpoint):
"""Detach volume storage to VM instance."""
LOG.debug(
_("Detach_volume: %(instance_name)s, %(mountpoint)s") % locals())
device_number = volume_utils.get_device_number(mountpoint)
vm_ref = vm_utils.vm_ref_or_raise(self._session, instance_name)
try:
vbd_ref = vm_utils.find_vbd_by_number(self._session, vm_ref,
device_number)
except volume_utils.StorageError:
# NOTE(sirp): If we don't find the VBD then it must have been
# detached previously.
LOG.warn(
_('Skipping detach because VBD for %(instance_name)s was'
' not found') % locals())
return
# Unplug VBD if we're NOT shutdown
unplug = not vm_utils._is_vm_shutdown(self._session, vm_ref)
self._detach_vbd(vbd_ref, unplug=unplug)
LOG.info(
_('Mountpoint %(mountpoint)s detached from instance'
' %(instance_name)s') % locals())
def detach_all(self, vm_ref):
"""Detach any external nova/cinder volumes and purge the SRs."""
# Generally speaking, detach_all will be called with VM already
# shutdown; however if it's still running, we can still perform the
# operation by unplugging the VBD first.
unplug = not vm_utils._is_vm_shutdown(self._session, vm_ref)
vbd_refs = self._get_all_volume_vbd_refs(vm_ref)
for vbd_ref in vbd_refs:
self._detach_vbd(vbd_ref, unplug=unplug)
def detach_all(self, vm_ref):
"""Detach any external nova/cinder volumes and purge the SRs."""
# Generally speaking, detach_all will be called with VM already
# shutdown; however if it's still running, we can still perform the
# operation by unplugging the VBD first.
unplug = not vm_utils._is_vm_shutdown(self._session, vm_ref)
vbd_refs = self._get_all_volume_vbd_refs(vm_ref)
for vbd_ref in vbd_refs:
self._detach_vbd(vbd_ref, unplug=unplug)
def detach_volume(self, connection_info, instance_name, mountpoint):
"""Detach volume storage to VM instance."""
LOG.debug(_("Detach_volume: %(instance_name)s, %(mountpoint)s")
% locals())
device_number = volume_utils.get_device_number(mountpoint)
vm_ref = vm_utils.vm_ref_or_raise(self._session, instance_name)
vbd_ref = vm_utils.find_vbd_by_number(
self._session, vm_ref, device_number)
# Unplug VBD if we're NOT shutdown
unplug = not vm_utils._is_vm_shutdown(self._session, vm_ref)
self._detach_vbd(vbd_ref, unplug=unplug)
LOG.info(_('Mountpoint %(mountpoint)s detached from instance'
' %(instance_name)s') % locals())
def detach_volume(self, connection_info, instance_name, mountpoint):
"""Detach volume storage to VM instance."""
LOG.debug(_("Detach_volume: %(instance_name)s, %(mountpoint)s") % locals())
device_number = volume_utils.get_device_number(mountpoint)
vm_ref = vm_utils.vm_ref_or_raise(self._session, instance_name)
try:
vbd_ref = vm_utils.find_vbd_by_number(self._session, vm_ref, device_number)
except volume_utils.StorageError:
# NOTE(sirp): If we don't find the VBD then it must have been
# detached previously.
LOG.warn(_("Skipping detach because VBD for %(instance_name)s was" " not found") % locals())
return
# Unplug VBD if we're NOT shutdown
unplug = not vm_utils._is_vm_shutdown(self._session, vm_ref)
self._detach_vbd(vbd_ref, unplug=unplug)
LOG.info(_("Mountpoint %(mountpoint)s detached from instance" " %(instance_name)s") % locals())
vm_ref = vm_utils.vm_ref_or_raise(self._session, instance_name)
# Detach VBD from VM
LOG.debug(
_("Detach_volume: %(instance_name)s, %(mountpoint)s") % locals())
device_number = volume_utils.get_device_number(mountpoint)
try:
vbd_ref = vm_utils.find_vbd_by_number(self._session, vm_ref,
device_number)
sr_ref = volume_utils.find_sr_from_vbd(self._session, vbd_ref)
except volume_utils.StorageError, exc:
LOG.exception(exc)
raise Exception(_('Unable to locate volume %s') % mountpoint)
try:
if not vm_utils._is_vm_shutdown(self._session, vm_ref):
vm_utils.unplug_vbd(self._session, vbd_ref)
except volume_utils.StorageError, exc:
LOG.exception(exc)
raise Exception(_('Unable to detach volume %s') % mountpoint)
try:
vm_utils.destroy_vbd(self._session, vbd_ref)
except volume_utils.StorageError, exc:
LOG.exception(exc)
raise Exception(_('Unable to destroy vbd %s') % mountpoint)
# Forget SR only if no other volumes on this host are using it
try:
volume_utils.purge_sr(self._session, sr_ref)
except volume_utils.StorageError, exc:
LOG.exception(exc)
vm_ref = vm_utils.vm_ref_or_raise(self._session, instance_name)
# Detach VBD from VM
LOG.debug(_("Detach_volume: %(instance_name)s, %(mountpoint)s")
% locals())
device_number = volume_utils.get_device_number(mountpoint)
try:
vbd_ref = vm_utils.find_vbd_by_number(self._session, vm_ref,
device_number)
except volume_utils.StorageError, exc:
LOG.exception(exc)
raise Exception(_('Unable to locate volume %s') % mountpoint)
try:
if not vm_utils._is_vm_shutdown(self._session, vm_ref):
vm_utils.unplug_vbd(self._session, vbd_ref)
except volume_utils.StorageError, exc:
LOG.exception(exc)
raise Exception(_('Unable to detach volume %s') % mountpoint)
try:
vm_utils.destroy_vbd(self._session, vbd_ref)
except volume_utils.StorageError, exc:
LOG.exception(exc)
raise Exception(_('Unable to destroy vbd %s') % mountpoint)
# Forget SR only if no other volumes on this host are using it
try:
sr_ref = volume_utils.find_sr_from_vbd(self._session, vbd_ref)
volume_utils.purge_sr(self._session, sr_ref)
except volume_utils.StorageError, exc: