{ "type": "MultihostEngine", "controller": { "type": "DevstackEngine", "localrc": { "ENABLED_SERVICES+": ",-n-cpu,-n-net", "MULTI_HOST": "1", "SCREEN_LOGDIR": "$DEST/logs/screen" }, "provider": {"type": "DummyProvider", "credentials": [{"host": "host-1.net", "user": "root"}]} }, "nodes": [ { "type": "DevstackEngine", "localrc": {"ENABLED_SERVICES": "n-cpu,n-net"}, "provider": { "type": "DummyProvider", "credentials": [{"host": "host-2.net", "user": "root"}] } } ] }