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 0x7f6d3f8a2c80>, 'or': <function _or at 0x7f6d3f8a2c08>, '>=': <function _greater_than_equal at 0x7f6d3f8a2b18>, 'in': <function _in at 0x7f6d3f8a2a28>, 'not': <function _not at 0x7f6d3f8a2b90>, '<=': <function _less_than_equal at 0x7f6d3f8a2aa0>, '=': <function _equals at 0x7f6d3f8a28c0>, '<': <function _less_than at 0x7f6d3f8a2938>, '>': <function _greater_than at 0x7f6d3f8a29b0>}

host_passes(host_state, filter_properties)

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