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 0x2b8ffd4e8e60>, 'or': <function _or at 0x2b8ffd4e89b0>, '>=': <function _greater_than_equal at 0x2b8ffd4e8d70>, 'in': <function _in at 0x2b8ffd33b578>, 'not': <function _not at 0x2b8ffd4e8f50>, '<=': <function _less_than_equal at 0x2b8ffbdc6320>, '=': <function _equals at 0x2b8ffd2fab18>, '<': <function _less_than at 0x2b8ffd2fab90>, '>': <function _greater_than at 0x2b8ffd33b5f0>}
host_passes(host_state, filter_properties)

Return a list of hosts that can fulfill query requirements.