def search(cls, pathspec=None):
"""Search for volume groups matching ``pathspec``
This will search for any volume groups matching ``pathspec`` and
return an iterable that provides instance of VolumeGroup
:returns: iterable of VolumeGroup instances
"""
for volume in vgs(pathspec):
yield cls(volume)
def search(cls, pathspec=None):
"""Search for volume groups matching ``pathspec``
This will search for any volume groups matching ``pathspec`` and
return an iterable that provides instance of VolumeGroup
:returns: iterable of VolumeGroup instances
"""
for volume in vgs(pathspec):
yield cls(volume)
def lookup(cls, pathspec):
"""Lookup a volume group for ``pathspec``
This will always return the first volume group found and raise an error
if multiple volumes match ``pathspec``
:returns: VolumeGroup instance
"""
try:
volume, = vgs(pathspec)
return cls(volume)
except (LVMCommandError, ValueError):
raise LookupError("No VolumeGroup could be found for pathspec %r" %
pathspec)
def lookup(cls, pathspec):
"""Lookup a volume group for ``pathspec``
This will always return the first volume group found and raise an error
if multiple volumes match ``pathspec``
:returns: VolumeGroup instance
"""
try:
volume, = vgs(pathspec)
return cls(volume)
except (LVMCommandError, ValueError):
raise LookupError("No VolumeGroup could be found for pathspec %r" %
pathspec)
def reload(self):
"""Reload this VolumeGroup"""
self.attributes, = vgs(self.vg_name)
def reload(self):
"""Reload this VolumeGroup"""
self.attributes, = vgs(self.vg_name)
def test_vgs(self):
"""Test VG"""
vol_group, = vgs(TEST_VG)
self.assertEqual(vol_group["vg_name"], TEST_VG)
self.assertEqual(int(vol_group["pv_count"]), 1)