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 0x7f4c6b00ade8>, '<=': <function _less_than_equal at 0x7f4c6ba52b18>, '=': <function _equals at 0x7f4c6b00acf8>, '>': <function _greater_than at 0x7f4c6b00af50>, '>=': <function _greater_than_equal at 0x7f4c6ba52140>, 'and': <function _and at 0x7f4c6b8f08c0>, 'in': <function _in at 0x7f4c6ba52758>, 'not': <function _not at 0x7f4c6ba522a8>, 'or': <function _or at 0x7f4c6ba52050>}¶