cinder.scheduler.filters.json_filter module¶

class JsonFilter¶

Bases: cinder.scheduler.filters.BaseBackendFilter

Backend filter for simple JSON-based grammar for selecting backends.

backend_passes(backend_state, filter_properties)¶

Return a list of backends that can fulfill query requirements.

commands = {'<': <function _less_than at 0xffff8906f150>, '<=': <function _less_than_equal at 0xffff896d0750>, '=': <function _equals at 0xffff8906fc50>, '>': <function _greater_than at 0xffff8906f1d0>, '>=': <function _greater_than_equal at 0xffff896d07d0>, 'and': <function _and at 0xffff896d0450>, 'in': <function _in at 0xffff896d09d0>, 'not': <function _not at 0xffff896d01d0>, 'or': <function _or at 0xffff896d0350>}¶