Don't require using a file to pass nodes to build a derivation with all the system in a grid. #186
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tomprince
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Feb 7, 2022
Comment on lines
+111
to
+114
| names' = if argsFile != null then | ||
| (builtins.fromJSON argsJSON).names | ||
| else | ||
| names; |
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It would be nice to not need this logic. I filed NixOS/nix#6059 to be able to remove it.
srhb
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triaged
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Deferring review here until prior PRs have been rebased and merged, sorry for the wait :) |
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Based on #166.
This adds a new argument to
machine, which is the list of node names to build. This also changesargsFiletoargsJSON, for passing the list of node names from go to nix without needing to write a file to disk.I also added the ability to pass a grid as an attrset, rather than a path to a file with the grid. (I was intending to use this to pass a pre-evaluated nixpkgs in to multiple grids in a single evaluation, to save evaluation time, but it appears that doing so doesn't appear to have a significant impact on evaluation time.