Bases: cinder.scheduler.filters.BaseBackendFilter
Backend filter for simple JSON-based grammar for selecting backends.
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backend_passes(backend_state, filter_properties)
Return a list of backends that can fulfill query requirements.
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commands = {'and': <function _and at 0xd50a320>, 'or': <function _or at 0xd50a2a8>, '>=': <function _greater_than_equal at 0x10f7b7d0>, 'in': <function _in at 0x11eb4c80>, 'not': <function _not at 0x11e59f50>, '<=': <function _less_than_equal at 0xe41b0c8>, '=': <function _equals at 0x11eb4758>, '<': <function _less_than at 0x11eb4d70>, '>': <function _greater_than at 0x11eb4ed8>}