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Add port type #48687

Merged
merged 3 commits into from
Nov 10, 2018
Merged

Add port type #48687

merged 3 commits into from
Nov 10, 2018
+16 −2

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danielrutz
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Motivation for this change

Many port values in nixos modules use types.int as a type. This allows invalid port numbers to be set. In theory, you could use types.ints.u16 instead, but types.port is more idiomatic. This change might lead to a wider usage of this type.

As an example, the sshd module has been changed to use the new type for the port.

Things done
  • Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS)
  • Built on platform(s)
    • NixOS
    • macOS
    • other Linux distributions
  • Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
  • Tested compilation of all pkgs that depend on this change using nix-shell -p nox --run "nox-review wip"
  • Tested execution of all binary files (usually in ./result/bin/)
  • Determined the impact on package closure size (by running nix path-info -S before and after)
  • Fits CONTRIBUTING.md.

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@danielrutz
Add type port as an alias to u16
161c076
@danielrutz
nixos/sshd: Use port type instead of int
c98a7bf 
This change leads to an additional check of the port number at build time, making invalid port values impossible.
@GrahamcOfBorg GrahamcOfBorg added 6.topic: nixos Issues or PRs affecting NixOS modules, or package usability issues specific to NixOS 8.has: module (update) This PR changes an existing module in `nixos/` 10.rebuild-darwin: 0 This PR does not cause any packages to rebuild on Darwin 10.rebuild-linux: 0 This PR does not cause any packages to rebuild on Linux labels Oct 18, 2018
Ma27
Ma27 requested changes Oct 19, 2018
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I like that change and can imagine several places where this can be fairly useful.

But it would be great to have this properly documented as well, in nixos/doc/manual/development/option-types.xml you can add types.port. :)

@danielrutz
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I have just added documentation for the type. Is it enough or should I write more about it?

@GrahamcOfBorg GrahamcOfBorg added the 8.has: documentation This PR adds or changes documentation label Oct 19, 2018
Ma27
Ma27 approved these changes Oct 19, 2018
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LGTM 👍
But I'd prefer to wait for at least another maintainer for confirmation :)

@infinisil
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I'd like it to have this type be used on all options that use integer ports, can you do that?

@bobvanderlinden
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👍

Have come across services that incorrectly set their port type to int. Using this type for all services will be harder to merge. I'd rather have this merged and have a separate PR (or PRs) to fix the types in the different services.

@infinisil infinisil merged commit e468a10 into NixOS:master Nov 10, 2018
@Janik-Haag Janik-Haag added the 12. first-time contribution This PR is the author's first one; please be gentle! label Jun 12, 2023
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6.topic: nixos Issues or PRs affecting NixOS modules, or package usability issues specific to NixOS 8.has: documentation This PR adds or changes documentation 8.has: module (update) This PR changes an existing module in `nixos/` 10.rebuild-darwin: 0 This PR does not cause any packages to rebuild on Darwin 10.rebuild-linux: 0 This PR does not cause any packages to rebuild on Linux 12. first-time contribution This PR is the author's first one; please be gentle!
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@danielrutz @infinisil @bobvanderlinden @Ma27 @GrahamcOfBorg @Janik-Haag