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 0x2b3df88bd7d0>, 'or': <function _or at 0x2b3df88bd758>, '>=': <function _greater_than_equal at 0x2b3df88bd668>, 'in': <function _in at 0x2b3df88bd578>, 'not': <function _not at 0x2b3df88bd6e0>, '<=': <function _less_than_equal at 0x2b3df88bd5f0>, '=': <function _equals at 0x2b3df88bd410>, '<': <function _less_than at 0x2b3df88bd488>, '>': <function _greater_than at 0x2b3df88bd500>}

host_passes(host_state, filter_properties)

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