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 0x7f68811aaf50>, '<=': <function _less_than_equal at 0x7f687fbe67d0>, '=': <function _equals at 0x7f68811aaed8>, '>': <function _greater_than at 0x7f68811aac80>, '>=': <function _greater_than_equal at 0x7f687fbe6410>, 'and': <function _and at 0x7f687fbe6c08>, 'in': <function _in at 0x7f687fbe6848>, 'not': <function _not at 0x7f687fbe69b0>, 'or': <function _or at 0x7f687fbe65f0>}¶