The nova.scheduler.filters.json_filter Module

class JsonFilter

Bases: nova.scheduler.filters.BaseHostFilter

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

commands = {'and': <function _and at 0xffff6636eed8>, 'or': <function _or at 0xffff6636ee60>, '>=': <function _greater_than_equal at 0xffff6636ed70>, 'in': <function _in at 0xffff6636ec80>, 'not': <function _not at 0xffff6636ede8>, '<=': <function _less_than_equal at 0xffff6636ecf8>, '=': <function _equals at 0xffff6636eb18>, '<': <function _less_than at 0xffff6636eb90>, '>': <function _greater_than at 0xffff6636ec08>}
host_passes(host_state, spec_obj)

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