Bases: nova.scheduler.filters.BaseHostFilter
Host Filter to allow simple JSON-based grammar for
selecting hosts.
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commands = {'<=': <function _less_than_equal at 0x7f2c1644cb90>, '>=': <function _greater_than_equal at 0x7f2c1644cc08>, '=': <function _equals at 0x7f2c1644ca28>, '<': <function _less_than at 0x7f2c1644c8c0>, '>': <function _greater_than at 0x7f2c1644c9b0>, 'in': <function _in at 0x7f2c1644cb18>, 'not': <function _not at 0x7f2c1644cc80>, 'and': <function _and at 0x7f2c1644cd70>, 'or': <function _or at 0x7f2c1644ccf8>}
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host_passes(host_state, spec_obj)
Return a list of hosts that can fulfill the requirements
specified in the query.