The cinder.scheduler.filters.json_filter Module

class JsonFilter

Bases: cinder.scheduler.filters.BaseHostFilter

Host Filter to allow simple JSON-based grammar for selecting hosts.

commands = {'and': <function _and at 0x7f4f8d402b18>, 'or': <function _or at 0x7f4f8d402aa0>, '>=': <function _greater_than_equal at 0x7f4f8d402578>, 'in': <function _in at 0x7f4f8d402668>, 'not': <function _not at 0x7f4f8d402320>, '<=': <function _less_than_equal at 0x7f4f8d4025f0>, '=': <function _equals at 0x7f4f8d402848>, '<': <function _less_than at 0x7f4f8d402758>, '>': <function _greater_than at 0x7f4f8d4026e0>}
host_passes(host_state, filter_properties)

Return a list of hosts that can fulfill query requirements.