feat(multiService): Add service option to modify underlying process settings #617
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settings.processes will interfere with existing settings option in a service. See mysql's options for ex.
shivaraj-bh
commented
Oct 31, 2025
| default = "${service}.${name}"; | ||
| type = lib.types.str; | ||
| processSettings = lib.mkOption { | ||
| type = lib.types.lazyAttrsOf lib.types.deferredModule; |
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lazyAttrsOf because a service can define multiple processes (postgres, postgres-init for example)
srid
reviewed
Oct 31, 2025
nix/lib.nix
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| imports = [ | ||
| config.outputs.defaultProcessSettings | ||
| cfg | ||
| ] ++ lib.optional (lib.hasAttr pName config.processSettings) config.processSettings.${pName}; |
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This would silently fail on situations when the user sets settings for a non-existant process. So it is best to just discard the lib.hasAttr check here, because then evaluation fail when the user does that.
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Needs to update the documentation as well (LLM is handy here) https://community.flake.parts/services-flake/custom-service#multi-instance |
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resolves #616