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 0x10a0d8ec>, 'or': <function _or at 0x10a0df0c>, '>=': <function _greater_than_equal at 0x10a0dca4>, 'in': <function _in at 0x10a0dae4>, 'not': <function _not at 0x10a0ded4>, '<=': <function _less_than_equal at 0x10a0dcdc>, '=': <function _equals at 0x10a0d87c>, '<': <function _less_than at 0x10a0d924>, '>': <function _greater_than at 0x10a0da3c>}
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host_passes(host_state, filter_properties)
Return a list of hosts that can fulfill the requirements
specified in the query.