We were getting hit by developers constantly asking for "what box is hosting
our container xyz?"
We kept telling them it doesn't matter (all the boxes hosting containers are
the same - at least for now).
We sent them spreadsheets with the mappings of global-zone host to
None of these seemed to work.
Finally, we thought, hey, why not give them a simple tool to find out.
We touched a file in each non-global-zone called /etc/gzname, then modified the
zone's config to lofs mount /etc/nodename from the global-zone to /etc/gzname
within the non-global-zones, read-only.
We game them the filename, with simple enough inscructions on how to read.
In many cases, they modified their PS1 to show the contents of
/etc/gzname:/etc/nodename as part of their prompts.
We no longer get pinged or bothered (or if we do, we send them packing to their
co-workers to get trained).
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