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 0x7f9396b8e398>, 'or': <function _or at 0x7f9396b8e410>, '>=': <function _greater_than_equal at 0x7f9396b8e500>, 'in': <function _in at 0x7f9396b8e5f0>, 'not': <function _not at 0x7f9396b8e488>, '<=': <function _less_than_equal at 0x7f9396b8e578>, '=': <function _equals at 0x7f9396b8e1b8>, '<': <function _less_than at 0x7f9396b8e230>, '>': <function _greater_than at 0x7f9396b8e0c8>}

host_passes(host_state, filter_properties)

Return a list of hosts that can fulfill query requirements.