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 0x11940488>, 'or': <function _or at 0x11940500>, '>=': <function _greater_than_equal at 0x119405f0>, 'in': <function _in at 0x119406e0>, 'not': <function _not at 0x11940578>, '<=': <function _less_than_equal at 0x11940668>, '=': <function _equals at 0x11940320>, '<': <function _less_than at 0x11940398>, '>': <function _greater_than at 0x11940230>}
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host_passes(host_state, filter_properties)
Return a list of hosts that can fulfill query requirements.