ganeti.storage.container.LvmVgStorage

class documentation

class LvmVgStorage(_LvmBase):

LVM Volume Group storage unit.

Method	`Execute`	Executes an operation on a virtual volume.
Constant	`LIST_COMMAND`	Undocumented
Constant	`LIST_FIELDS`	Undocumented
Constant	`VGREDUCE_COMMAND`	Undocumented
Method	`_RemoveMissing`	Runs "vgreduce --removemissing" on a volume group.

Inherited from _LvmBase:

Method	`List`	Returns a list of all entities within the storage unit.
Constant	`LIST_SEP`	Undocumented
Class Method	`_BuildList`	Builds the final result list.
Static Method	`_BuildListCommand`	Builds LVM command line.
Static Method	`_GetLvmFields`	Returns unique list of fields wanted from LVM command.
Static Method	`_RunListCommand`	Run LVM command.
Static Method	`_SplitList`	Splits LVM command output into rows and fields.

Inherited from _Base (via _LvmBase):

Method Modify Modifies an entity within the storage unit.

def Execute(self, name, op): ¶

overrides ganeti.storage.container._Base.Execute

Executes an operation on a virtual volume.

See _Base.Execute.

LIST_COMMAND: str = ¶

overrides ganeti.storage.container._LvmBase.LIST_COMMAND

Undocumented

Value

'vgs'

LIST_FIELDS = ¶

overrides ganeti.storage.container._LvmBase.LIST_FIELDS

Undocumented

Value

[(constants.SF_NAME, ['vg_name'], None),
 (constants.SF_SIZE, ['vg_size'], _ParseSize),
 (constants.SF_FREE, ['vg_free'], _ParseSize),
 (constants.SF_USED,
  ['vg_size', 'vg_free'],
  (lambda x, y: _ParseSize(x) - _ParseSize(y))),
 (constants.SF_ALLOCATABLE, [], True)]

VGREDUCE_COMMAND: str = ¶

Undocumented

Value

'vgreduce'

def _RemoveMissing(self, name, _runcmd_fn=utils.RunCmd): ¶

Runs "vgreduce --removemissing" on a volume group.

Parameters
name:string	Volume group name
_runcmd_fn	Undocumented