ganeti.cmdlib.base.QueryBase

class documentation

class QueryBase(object):

Known subclasses: ganeti.cmdlib.cluster.ClusterQuery, ganeti.cmdlib.misc.ExtStorageQuery, ganeti.cmdlib.operating_system.OsQuery

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Base for query utility classes.

Method	`__init__`	Initializes this class.
Method	`DeclareLocks`	Declare locks for this query.
Method	`ExpandNames`	Expand names for this query.
Method	`NewStyleQuery`	Collect data and execute query.
Method	`OldStyleQuery`	Collect data and execute query.
Constant	`FIELDS`	Undocumented
Constant	`SORT_FIELD`	Undocumented
Instance Variable	`do_locking`	Undocumented
Instance Variable	`names`	Undocumented
Instance Variable	`query`	Undocumented
Instance Variable	`requested_data`	Undocumented
Instance Variable	`sort_by_name`	Undocumented
Instance Variable	`use_locking`	Undocumented
Instance Variable	`wanted`	Undocumented
Method	`_GetNames`	Helper function to determine names asked for in the query.
Method	`_GetQueryData`	Collects all data for this query.

def __init__(self, qfilter, fields, use_locking): ¶

Initializes this class.

def DeclareLocks(self, lu, level): ¶

overridden in ganeti.cmdlib.cluster.ClusterQuery, ganeti.cmdlib.misc.ExtStorageQuery, ganeti.cmdlib.operating_system.OsQuery

Declare locks for this query.

See LogicalUnit.DeclareLocks.

def ExpandNames(self, lu): ¶

overridden in ganeti.cmdlib.cluster.ClusterQuery, ganeti.cmdlib.misc.ExtStorageQuery, ganeti.cmdlib.operating_system.OsQuery

Expand names for this query.

See LogicalUnit.ExpandNames.

def NewStyleQuery(self, lu): ¶

Collect data and execute query.

def OldStyleQuery(self, lu): ¶

Collect data and execute query.

FIELDS = ¶

Undocumented

Value

None

SORT_FIELD: str = ¶

overridden in ganeti.cmdlib.cluster.ClusterQuery

Undocumented

Value

'name'

do_locking = ¶

overridden in ganeti.cmdlib.cluster.ClusterQuery, ganeti.cmdlib.misc.ExtStorageQuery, ganeti.cmdlib.operating_system.OsQuery

Undocumented

names = ¶

Undocumented

query = ¶

Undocumented

requested_data = ¶

Undocumented

sort_by_name = ¶

Undocumented

use_locking = ¶

Undocumented

wanted = ¶

overridden in ganeti.cmdlib.cluster.ClusterQuery, ganeti.cmdlib.misc.ExtStorageQuery, ganeti.cmdlib.operating_system.OsQuery

Undocumented

def _GetNames(self, lu, all_names, lock_level): ¶

Helper function to determine names asked for in the query.

def _GetQueryData(self, lu): ¶

overridden in ganeti.cmdlib.cluster.ClusterQuery, ganeti.cmdlib.misc.ExtStorageQuery, ganeti.cmdlib.operating_system.OsQuery

Collects all data for this query.

Returns
Query data object