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 0x7f9f4300cc80>, 'or': <function _or at 0x7f9f407f8410>, '>=': <function _greater_than_equal at 0x7f9f407f8320>, 'in': <function _in at 0x7f9f407f82a8>, 'not': <function _not at 0x7f9f407f8398>, '<=': <function _less_than_equal at 0x7f9f407f8230>, '=': <function _equals at 0x7f9f412d7140>, '<': <function _less_than at 0x7f9f41bbeed8>, '>': <function _greater_than at 0x7f9f43011a28>}

host_passes(host_state, filter_properties)

Return a list of hosts that can fulfill query requirements.