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The nova.scheduler.filters.isolated_hosts_filter Module

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The nova.scheduler.filters.json_filter Module

class JsonFilter

Bases: nova.scheduler.filters.BaseHostFilter

Host Filter to allow simple JSON-based grammar for selecting hosts.

commands = {'and': <function _and at 0xd436b90>, 'or': <function _or at 0xd436b18>, '>=': <function _greater_than_equal at 0xd436a28>, 'in': <function _in at 0xd436938>, 'not': <function _not at 0xd436aa0>, '<=': <function _less_than_equal at 0xd4369b0>, '=': <function _equals at 0xd4367d0>, '<': <function _less_than at 0xd436848>, '>': <function _greater_than at 0xd4368c0>}
host_passes(host_state, filter_properties)

Return a list of hosts that can fulfill the requirements specified in the query.