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On 30/08/16 12:02, Steven Hardy wrote:
>   debug_tripleo2:
>     value:
>       yaql:
>         expression: $.data.l.reduce($1.mergeWith($2))
>         data:
>           l:
>             - "gnocchi_metricd_node_names": ["overcloud-controller-0",
>               "overcloud-controller-1", "overcloud-controller-2"]
>               "tripleo_packages_node_names": ["overcloud-controller-0", "overcloud-controller-1", "overcloud-controller-2"]
>             - "nova_compute_node_names": ["overcloud-compute-0"]
>               "tripleo_packages_node_names": ["overcloud-compute-0"]
>               "tripleo_packages_node_names2": ["overcloud-compute-0"]
>             - "ceph_osd_node_names": ["overcloud-cephstorage-0"]
>               "tripleo_packages_node_names": ["overcloud-cephstorage-0"]
>               "tripleo_packages_node_names2": ["overcloud-cephstorage-0"]
>
> $ heat output-show foo5 debug_tripleo2
> stack output show" instead
> Output error: can only concatenate tuple (not "list") to tuple
>
> I've not dug too deeply yet, but assuming that's a yaql error vs a heat bug
> it looks like it won't work.

It works flawlessly in yaqluator, so that sounds like a Heat bug.

- ZB