Bases: cinder.scheduler.filters.BaseHostFilter
Host Filter to allow simple JSON-based grammar for selecting hosts.
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commands = {'and': <function _and at 0xe9e7c08>, 'or': <function _or at 0xe9e79b0>, '>=': <function _greater_than_equal at 0xe9e78c0>, 'in': <function _in at 0xfcc26e0>, 'not': <function _not at 0xe9e7848>, '<=': <function _less_than_equal at 0xdec1c08>, '=': <function _equals at 0xea59410>, '<': <function _less_than at 0xea59488>, '>': <function _greater_than at 0xea59500>}
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host_passes(host_state, filter_properties)
Return a list of hosts that can fulfill query requirements.