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 0xd78fa0d4>, 'or': <function _or at 0xd78fa09c>, '>=': <function _greater_than_equal at 0xd78fa02c>, 'in': <function _in at 0xd79b5e2c>, 'not': <function _not at 0xd78fa064>, '<=': <function _less_than_equal at 0xd79b5b8c>, '=': <function _equals at 0xd79b5ed4>, '<': <function _less_than at 0xd79b5e9c>, '>': <function _greater_than at 0xd79b5e64>}

host_passes(host_state, filter_properties)

Return a list of hosts that can fulfill query requirements.