def __init__(self, instance=None, disk_name=None, path=None):
super(Lvm, self).__init__("block", "raw", is_block_dev=True)
self.ephemeral_key_uuid = instance.get("ephemeral_key_uuid")
if self.ephemeral_key_uuid is not None:
self.key_manager = keymgr.API()
else:
self.key_manager = None
if path:
self.path = path
if self.ephemeral_key_uuid is None:
info = lvm.volume_info(path)
self.vg = info["VG"]
self.lv = info["LV"]
else:
self.vg = CONF.libvirt.images_volume_group
else:
if not CONF.libvirt.images_volume_group:
raise RuntimeError(_("You should specify" " images_volume_group" " flag to use LVM images."))
self.vg = CONF.libvirt.images_volume_group
self.lv = "%s_%s" % (instance["uuid"], self.escape(disk_name))
if self.ephemeral_key_uuid is None:
self.path = os.path.join("/dev", self.vg, self.lv)
else:
self.lv_path = os.path.join("/dev", self.vg, self.lv)
self.path = "/dev/mapper/" + dmcrypt.volume_name(self.lv)
# TODO(pbrady): possibly deprecate libvirt.sparse_logical_volumes
# for the more general preallocate_images
self.sparse = CONF.libvirt.sparse_logical_volumes
self.preallocate = not self.sparse
def __init__(self, instance=None, disk_name=None, path=None):
super(Lvm, self).__init__("block", "raw", is_block_dev=True)
self.ephemeral_key_uuid = instance.get('ephemeral_key_uuid')
if self.ephemeral_key_uuid is not None:
self.key_manager = keymgr.API()
else:
self.key_manager = None
if path:
self.path = path
if self.ephemeral_key_uuid is None:
info = lvm.volume_info(path)
self.vg = info['VG']
self.lv = info['LV']
else:
self.vg = CONF.libvirt.images_volume_group
else:
if not CONF.libvirt.images_volume_group:
raise RuntimeError(_('You should specify'
' images_volume_group'
' flag to use LVM images.'))
self.vg = CONF.libvirt.images_volume_group
self.lv = '%s_%s' % (instance.uuid,
self.escape(disk_name))
if self.ephemeral_key_uuid is None:
self.path = os.path.join('/dev', self.vg, self.lv)
else:
self.lv_path = os.path.join('/dev', self.vg, self.lv)
self.path = '/dev/mapper/' + dmcrypt.volume_name(self.lv)
# TODO(pbrady): possibly deprecate libvirt.sparse_logical_volumes
# for the more general preallocate_images
self.sparse = CONF.libvirt.sparse_logical_volumes
self.preallocate = not self.sparse
def setUp(self):
super(LibvirtDmcryptTestCase, self).setUp()
self.CIPHER = "cipher"
self.KEY_SIZE = 256
self.NAME = "disk"
self.TARGET = dmcrypt.volume_name(self.NAME)
self.PATH = "/dev/nova-lvm/instance_disk"
self.KEY = range(0, self.KEY_SIZE)
self.KEY_STR = "".join(["%02x" % x for x in range(0, self.KEY_SIZE)])
self.executes = []
self.kwargs = {}
def fake_execute(*cmd, **kwargs):
self.executes.append(cmd)
self.kwargs = kwargs
return None, None
def fake_listdir(path):
return [self.TARGET, "/dev/mapper/disk"]
self.stubs.Set(utils, "execute", fake_execute)
self.stubs.Set(os, "listdir", fake_listdir)
def setUp(self):
super(LibvirtDmcryptTestCase, self).setUp()
self.CIPHER = 'cipher'
self.KEY_SIZE = 256
self.NAME = 'disk'
self.TARGET = dmcrypt.volume_name(self.NAME)
self.PATH = '/dev/nova-lvm/instance_disk'
self.KEY = range(0, self.KEY_SIZE)
self.KEY_STR = ''.join(["%02x" % x for x in range(0, self.KEY_SIZE)])
self.executes = []
self.kwargs = {}
def fake_execute(*cmd, **kwargs):
self.executes.append(cmd)
self.kwargs = kwargs
return None, None
def fake_listdir(path):
return [self.TARGET, '/dev/mapper/disk']
self.stubs.Set(utils, 'execute', fake_execute)
self.stubs.Set(os, 'listdir', fake_listdir)