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 0x7f236c4fade8>, '<=': <function _less_than_equal at 0x7f236cb1b050>, '=': <function _equals at 0x7f236c6e36e0>, '>': <function _greater_than at 0x7f236c4fa488>, '>=': <function _greater_than_equal at 0x7f236cb1b1b8>, 'and': <function _and at 0x7f236cb1bf50>, 'in': <function _in at 0x7f236cb1b8c0>, 'not': <function _not at 0x7f236cb1b410>, 'or': <function _or at 0x7f236cb1b6e0>}¶