Bases: nova.scheduler.filters.BaseHostFilter
Host Filter to allow simple JSON-based grammar for
selecting hosts.
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commands = {'and': <function _and at 0xd7c3578>, 'or': <function _or at 0xd7c3500>, '>=': <function _greater_than_equal at 0xd7c3410>, 'in': <function _in at 0xd7c3320>, 'not': <function _not at 0xd7c3488>, '<=': <function _less_than_equal at 0xd7c3398>, '=': <function _equals at 0xd7c31b8>, '<': <function _less_than at 0xd7c3230>, '>': <function _greater_than at 0xd7c32a8>}
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host_passes(host_state, filter_properties)
Return a list of hosts that can fulfill the requirements
specified in the query.