The cinder.openstack.common.scheduler.filters.json_filter Module

class JsonFilter

Bases: cinder.openstack.common.scheduler.filters.BaseHostFilter

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

commands = {'and': <function _and at 0xd40bdbc>, 'or': <function _or at 0xd40bd4c>, '>=': <function _greater_than_equal at 0xd40bd14>, 'in': <function _in at 0xd40bc6c>, 'not': <function _not at 0xd40bd84>, '<=': <function _less_than_equal at 0xd40bcdc>, '=': <function _equals at 0xd40bbfc>, '<': <function _less_than at 0xd40bca4>, '>': <function _greater_than at 0xd40bc34>}

host_passes(host_state, filter_properties)

Return a list of hosts that can fulfill the requirements specified in the query.