Description

Enhance the promethus node_info metric to also include the APISIX version. This can useful in scenarios where multiple apisix versions are deployed within the same cluster.

Now node_info only contains hostname.
https://github.com/apache/apisix/blob/release/3.12/apisix/plugins/prometheus/exporter.lua#L487

The version can be accessed here.
https://github.com/apache/apisix/blob/release/3.12/apisix/core/version.lua#L22-L24