def cleanup(self):
# Remove all volumes of volume group
try:
lvm2.vgs(vg_name)
except lvm2.NotFound:
pass
else:
lvm2.vgremove(vg_name)
def cleanup(self):
# Remove all volumes of volume group
try:
lvm2.vgs(vg_name)
except lvm2.NotFound:
pass
else:
lvm2.vgremove(vg_name)
def _destroy(self, force, **kwds): try: lvm2.lvremove(self.device) except lvm2.NotFound: pass if force: try: vg_info = lvm2.vgs(self.vg).values()[0] except lvm2.NotFound: pass else: if not (int(vg_info.snap_count) and not int(vg_info.lv_count)): pv_disks = [device for device, pv_info in lvm2.pvs().items() if pv_info.vg_name == self.vg] lvm2.vgremove(self.vg) for device in pv_disks: lvm2.pvremove(device) for pv in self.pvs: pv.destroy(force=True)
def _destroy(self, force, **kwds):
try:
lvm2.lvremove(self.device)
except lvm2.NotFound:
pass
if force:
try:
vg_info = lvm2.vgs(self.vg).values()[0]
except lvm2.NotFound:
pass
else:
if not (int(vg_info.snap_count) and not int(vg_info.lv_count)):
pv_disks = [
device for device, pv_info in lvm2.pvs().items()
if pv_info.vg_name == self.vg
]
lvm2.vgremove(self.vg)
for device in pv_disks:
lvm2.pvremove(device)
for pv in self.pvs:
pv.destroy(force=True)
def _ensure(self):
def get_lv_size_kwarg(size):
kwd = dict()
if '%' in str(size):
kwd['extents'] = size
else:
try:
int(size)
kwd['size'] = '%sG' % size
except:
kwd['size'] = size
return kwd
if self.snap:
pvs = []
try:
for snap in self.snap['pv_snaps']:
snap = storage2.snapshot(snap)
vol = storage2.volume(type=snap.type, snap=snap)
vol.ensure()
pvs.append(vol)
except:
for pv in pvs:
pv.destroy()
raise
self.pvs = pvs
self.vg = self.snap['vg']
self.name = self.snap['name']
pv_volumes = []
for pv_volume in self.pvs:
pv_volume = storage2.volume(pv_volume)
pv_volume.ensure()
pvs = lvm2.pvs()
if pv_volume.device not in pvs:
if pv_volume.mounted_to():
pv_volume.umount()
lvm2.pvcreate(pv_volume.device)
pv_volumes.append(pv_volume)
self.pvs = pv_volumes
self._check_attr('vg')
try:
lv_info = self._lvinfo()
except lvm2.NotFound:
self._check_attr('size')
try:
lvm2.vgs(self.vg)
except lvm2.NotFound:
lvm2.vgcreate(self.vg, *[disk.device for disk in self.pvs])
kwds = {'name': self.name}
kwds.update(get_lv_size_kwarg(self.size))
lvm2.lvcreate(self.vg, **kwds)
lv_info = self._lvinfo()
self._config.update({'device': lv_info.lv_path, 'snap': None})
pvs_to_extend_vg = []
for pv in self.pvs:
pv_info = lvm2.pvs(pv.device).popitem()[1]
if not pv_info.vg_name:
pvs_to_extend_vg.append(pv_info.pv_name)
continue
if os.path.basename(self.vg) != pv_info.vg_name:
raise storage2.StorageError(
'Can not add physical volume %s to volume group %s: already'
' in volume group %s' %
(pv_info.pv_name, self.vg, pv_info.vg_name))
if pvs_to_extend_vg:
lvm2.vgextend(self.vg, *pvs_to_extend_vg)
lvm2.lvextend(self.device, **get_lv_size_kwarg(self.size))
if self.is_fs_created():
fs = storage2.filesystem(self.fstype)
if fs.features.get('resizable'):
fs.resize(self.device)
if lv_info.lv_attr[4] == '-':
lvm2.lvchange(self.device, available='y')
util.wait_until(lambda: os.path.exists(self.device),
sleep=1,
timeout=30,
start_text='Waiting for device %s' % self.device,
error_text='Device %s not available' % self.device)
def lvm_layer_created(step):
vol = world.eph_vol
assert lvm2.vgs(world.eph_vol.vg), 'Volume group not found'
assert os.path.exists(vol.device), 'LVM volume device not found'
assert vol.mounted_to() == vol.mpoint
def _ensure(self):
def get_lv_size_kwarg(size):
kwd = dict()
if '%' in str(size):
kwd['extents'] = size
else:
try:
int(size)
kwd['size'] = '%sG' % size
except:
kwd['size'] = size
return kwd
if self.snap:
pvs = []
try:
for snap in self.snap['pv_snaps']:
snap = storage2.snapshot(snap)
vol = storage2.volume(type=snap.type, snap=snap)
vol.ensure()
pvs.append(vol)
except:
for pv in pvs:
pv.destroy()
raise
self.pvs = pvs
self.vg = self.snap['vg']
self.name = self.snap['name']
pv_volumes = []
for pv_volume in self.pvs:
pv_volume = storage2.volume(pv_volume)
pv_volume.ensure()
pvs = lvm2.pvs()
if pv_volume.device not in pvs:
pv_volume.umount()
lvm2.pvcreate(pv_volume.device)
pv_volumes.append(pv_volume)
self.pvs = pv_volumes
self._check_attr('vg')
try:
lv_info = self._lvinfo()
except lvm2.NotFound:
self._check_attr('size')
try:
lvm2.vgs(self.vg)
except lvm2.NotFound:
lvm2.vgcreate(self.vg, *[disk.device for disk in self.pvs])
kwds = {'name': self.name}
kwds.update(get_lv_size_kwarg(self.size))
lvm2.lvcreate(self.vg, **kwds)
lv_info = self._lvinfo()
self._config.update({
'device': lv_info.lv_path,
'snap': None
})
pvs_to_extend_vg = []
for pv in self.pvs:
pv_info = lvm2.pvs(pv.device)[pv.device]
if not pv_info.vg_name:
pvs_to_extend_vg.append(pv.device)
continue
if os.path.basename(self.vg) != pv_info.vg_name:
raise storage2.StorageError(
'Can not add physical volume %s to volume group %s: already'
' in volume group %s' %
(pv.device, self.vg, pv_info.vg_name))
if pvs_to_extend_vg:
lvm2.vgextend(self.vg, *pvs_to_extend_vg)
lvm2.lvextend(self.device, **get_lv_size_kwarg(self.size))
if self.is_fs_created():
self.fscreated = True
fs = storage2.filesystem(self.fstype)
if fs.features.get('resizable'):
fs.resize(self.device)
if lv_info.lv_attr[4] == '-':
lvm2.lvchange(self.device, available='y')
