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 0x10083aa0>, 'or': <function _or at 0x10083ed8>, '>=': <function _greater_than_equal at 0xe1240c8>, 'in': <function _in at 0xe1242a8>, 'not': <function _not at 0xe124cf8>, '<=': <function _less_than_equal at 0xe124398>, '=': <function _equals at 0xff1e6e0>, '<': <function _less_than at 0xff1e8c0>, '>': <function _greater_than at 0xff1e668>}
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host_passes(host_state, filter_properties)
Return a list of hosts that can fulfill query requirements.