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 0x7fa63002e8c0>, 'or': <function _or at 0x7fa63002e0c8>, '>=': <function _greater_than_equal at 0x7fa63002e410>, 'in': <function _in at 0x7fa63002e500>, 'not': <function _not at 0x7fa63002e398>, '<=': <function _less_than_equal at 0x7fa63002e488>, '=': <function _equals at 0x7fa63002e668>, '<': <function _less_than at 0x7fa63002e5f0>, '>': <function _greater_than at 0x7fa63002e578>}
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host_passes(host_state, filter_properties)
Return a list of hosts that can fulfill query requirements.