def __init__(self, instance=None, disk_name=None, path=None):
if not CONF.libvirt.images_rbd_pool:
raise RuntimeError(_('You should specify'
' images_rbd_pool'
' flag to use rbd images.'))
if path:
try:
self.rbd_name = path.split('/')[1]
except IndexError:
raise exception.InvalidDevicePath(path=path)
else:
self.rbd_name = '%s_%s' % (instance.uuid, disk_name)
self.pool = CONF.libvirt.images_rbd_pool
self.rbd_user = CONF.libvirt.rbd_user
self.ceph_conf = CONF.libvirt.images_rbd_ceph_conf
path = 'rbd:%s/%s' % (self.pool, self.rbd_name)
if self.rbd_user:
path += ':id=' + self.rbd_user
if self.ceph_conf:
path += ':conf=' + self.ceph_conf
super(Rbd, self).__init__(path, "block", "rbd", is_block_dev=False)
self.driver = rbd_utils.RBDDriver(
pool=self.pool,
ceph_conf=self.ceph_conf,
rbd_user=self.rbd_user)
self.discard_mode = CONF.libvirt.hw_disk_discard
def __init__(self, instance=None, disk_name=None, path=None):
if not CONF.libvirt.images_rbd_pool:
raise RuntimeError(_('You should specify'
' images_rbd_pool'
' flag to use rbd images.'))
if path:
try:
self.rbd_name = path.split('/')[1]
except IndexError:
raise exception.InvalidDevicePath(path=path)
else:
self.rbd_name = '%s_%s' % (instance.uuid, disk_name)
self.pool = CONF.libvirt.images_rbd_pool
self.rbd_user = CONF.libvirt.rbd_user
self.ceph_conf = CONF.libvirt.images_rbd_ceph_conf
path = 'rbd:%s/%s' % (self.pool, self.rbd_name)
if self.rbd_user:
path += ':id=' + self.rbd_user
if self.ceph_conf:
path += ':conf=' + self.ceph_conf
super(Rbd, self).__init__(path, "block", "rbd", is_block_dev=False)
self.driver = rbd_utils.RBDDriver(
pool=self.pool,
ceph_conf=self.ceph_conf,
rbd_user=self.rbd_user)
self.discard_mode = CONF.libvirt.hw_disk_discard
