Just like the error says, you're trying to do a recursive lookup and you
can't do that. You're trying to do a lookup in a key named "my" which
contains a lookup for a key named "my".
On Friday, March 18, 2022 at 9:05:13 AM UTC-7 michele...@gmail.com wrote:
> Hi, I've got a problem with Hiera interpolation (lookups). I'm fairly new
> to Hiera, so I think I am misunderstanding something important, but doc
> searches revealed nothing so far.
>
> I'm using Puppet 7.x with the following hiera.yaml:
>
> # hiera.yaml
> ---
> version: 5
> hierarchy:
> - name: "Per-node data"
> path: "nodes/%{::trusted.certname}.yaml"
> - name: "Per-subsystem data"
> path: "subsystems/%{::subsystem}.yaml"
> - name: "Common and fallback data"
> path: "common.yaml"
>
> Basically, data should be searched first in the node-specific file, then
> in a subsystem specific file, then in the common file (that is empty, so
> far).
>
> (bare bones) Agent-specific file looks like this:
>
> # environments/test/data/nodes/agent1.yaml
> ---
> my:
> net:
> host:
> ip_address: "%{lookup('my.net.hosts.agent1')}"
> needs_proxy: false
>
> (you see that I use lookup interpolation, that's in order to avoid data
> duplication).
> The my.net.hosts.agent1 key is not part of this file, but is found in the
> subsystem-specific
>
> yaml:
>
> # environments/test/data/subsystems/main.yaml
> ---
> my:
> net:
> hosts:
> agent01: "192.168.56.6"
> needs_proxy: true
>
> Per the hiera.yaml above it this comes later in the hierarchy.
>
> Unfortunately, the agent fails with the following error:
>
> Error: Could not retrieve catalog from remote server: Error 500 on SERVER:
> Server Error: Lookup of key 'my.net.hosts.agent01' failed: Recursive lookup
> detected in [my.net.needs_proxy, my.net.hosts.agent01] on node agent1
>
> and I got no clue why that happens, as I can't see any obvious loops.
>
> Any help would be greatly appreciated.
>
> Thanks
> Michele
>
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