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 0x10bffaa0>, 'or': <function _or at 0x10bffe60>, '>=': <function _greater_than_equal at 0xfaf6a28>, 'in': <function _in at 0xf8ba5f0>, 'not': <function _not at 0x10bff848>, '<=': <function _less_than_equal at 0xf8ba9b0>, '=': <function _equals at 0x11179b90>, '<': <function _less_than at 0xf8bab18>, '>': <function _greater_than at 0xf8bad70>}
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host_passes(host_state, filter_properties)
Return a list of hosts that can fulfill query requirements.