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 0xf269b18>, 'or': <function _or at 0xf269d70>, '>=': <function _greater_than_equal at 0x11e8af50>, 'in': <function _in at 0xf2b8578>, 'not': <function _not at 0x10666c08>, '<=': <function _less_than_equal at 0xf2b8668>, '=': <function _equals at 0xf2b8320>, '<': <function _less_than at 0xf2b8398>, '>': <function _greater_than at 0xf2b8230>}
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host_passes(host_state, filter_properties)
Return a list of hosts that can fulfill query requirements.