Bases: nova.scheduler.filters.BaseHostFilter
Host Filter to allow simple JSON-based grammar for
selecting hosts.
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commands = {'in': <function _in at 0x7f5618d20f50>, '>=': <function _greater_than_equal at 0x7f5618e6d0c8>, 'or': <function _or at 0x7f5618e6d1b8>, 'and': <function _and at 0x7f5618e6d230>, '>': <function _greater_than at 0x7f5618d20ed8>, '=': <function _equals at 0x7f5618d20de8>, '<': <function _less_than at 0x7f5618d20e60>, '<=': <function _less_than_equal at 0x7f5618e6d050>, 'not': <function _not at 0x7f5618e6d140>}
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host_passes(host_state, spec_obj)
Return a list of hosts that can fulfill the requirements
specified in the query.