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nixos/iotop: add module #51749

Merged
merged 1 commit into from Feb 7, 2019
Merged

nixos/iotop: add module #51749

merged 1 commit into from Feb 7, 2019

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Ma27
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@Ma27 Ma27 commented Dec 8, 2018

Motivation for this change

The iotop program can't be started by an unprivileged user because of
missing root privileges. The issue can be fixed by creating a
setcap wrapper for iotop which contains cap_net_admin.

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)
  • Assured whether relevant documentation is up to date
  • Fits CONTRIBUTING.md.

The `iotop` program can't be started by an unprivileged user because of
missing root privileges. The issue can be fixed by creating a
setcap wrapper for `iotop` which contains `cap_net_admin`.
@Ma27
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Ma27 commented Feb 7, 2019

as this is a fairly trivial module, I'd do the merge tomorrow unless there are any folks against it.

@Ma27 Ma27 merged commit 1ac5612 into NixOS:master Feb 7, 2019
@Ma27 Ma27 deleted the add-iotop-module branch February 7, 2019 15:12
programs.iotop.enable = mkEnableOption "iotop + setcap wrapper";
};
config = mkIf cfg.enable {
environment.systemPackages = [ pkgs.iotop ];
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/run/wrappers/bin is on $PATH already, so I don't think this is needed (or even does anything, as the iotop in $PATH will override this one)

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Oh, guess I was a couple minutes late :)

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good catch! Fixed in 6a0d2ff

Ma27 added a commit to Ma27/nixpkgs that referenced this pull request Feb 7, 2019
The binary will be in `/run/wrappers/bin` and adding `pkgs.iotop` won't
have any effect.

See also NixOS#51749 (comment)
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4 participants