def test_not_implemented(self):
"""Verify that unloaded/unimplemented functions report errors"""
# should be loaded and working
self.assertTrue(BlockDev.lvm_get_max_lv_size() > 0)
ps = BlockDev.PluginSpec()
ps.name = BlockDev.Plugin.BTRFS
ps.so_name = ""
self.assertTrue(BlockDev.reinit([ps], True, None))
self.assertEqual(BlockDev.get_available_plugin_names(), ["btrfs"])
# no longer loaded
with self.assertRaises(GLib.GError):
BlockDev.lvm_get_max_lv_size()
self.assertTrue(BlockDev.reinit(None, True, None))
# loaded again
self.assertTrue(BlockDev.lvm_get_max_lv_size() > 0)
def storage(self):
if not self._storage:
import blivet
import blivet.arch
import gi
gi.require_version("BlockDev", "1.0")
from gi.repository import BlockDev as blockdev
self._storage = blivet.Blivet(ksdata=self.ksdata)
if self.instClass.defaultFS:
self._storage.setDefaultFSType(self.instClass.defaultFS)
if blivet.arch.isS390():
# want to make sure s390 plugin is loaded
if "s390" not in blockdev.get_available_plugin_names():
plugin = blockdev.PluginSpec()
plugin.name = blockdev.Plugin.S390
plugin.so_name = None
blockdev.reinit([plugin], reload=False)
return self._storage
gi.require_version("GLib", "2.0")
gi.require_version("BlockDev", "2.0")
# initialize the libblockdev library
from gi.repository import GLib
from gi.repository import BlockDev as blockdev
if arch.is_s390():
_REQUESTED_PLUGIN_NAMES = set(("btrfs", "swap", "crypto", "loop", "mdraid",
"mpath", "dm", "s390", "nvdimm"))
else:
_REQUESTED_PLUGIN_NAMES = set(
("btrfs", "swap", "crypto", "loop", "mdraid", "mpath", "dm", "nvdimm"))
_requested_plugins = blockdev.plugin_specs_from_names(_REQUESTED_PLUGIN_NAMES)
# XXX force non-dbus LVM plugin
lvm_plugin = blockdev.PluginSpec()
lvm_plugin.name = blockdev.Plugin.LVM
lvm_plugin.so_name = "libbd_lvm.so.2"
_requested_plugins.append(lvm_plugin)
try:
# do not check for dependencies during libblockdev initializtion, do runtime
# checks instead
blockdev.switch_init_checks(False)
succ_, avail_plugs = blockdev.try_reinit(
require_plugins=_requested_plugins,
reload=False,
log_func=log_bd_message)
except GLib.GError as err:
raise RuntimeError("Failed to intialize the libblockdev library: %s" % err)
else:
avail_plugs = set(avail_plugs)
