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 0x3ffa8cd6c18>, 'or': <function _or at 0x3ffa8cd6898>, '>=': <function _greater_than_equal at 0x3ffa8cd6668>, 'in': <function _in at 0x3ffa8cd6ac8>, 'not': <function _not at 0x3ffa8cd66d8>, '<=': <function _less_than_equal at 0x3ffa8cd6438>, '=': <function _equals at 0x3ffa8e8a438>, '<': <function _less_than at 0x3ffa8e8a828>, '>': <function _greater_than at 0x3ffa8cd6ba8>}
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host_passes(host_state, filter_properties)
Return a list of hosts that can fulfill query requirements.