67 lines
1.4 KiB
Nix
67 lines
1.4 KiB
Nix
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# Lix should be able to build derivations that want working NSS, even with
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# broken user namespaces support
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{ ... }:
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let
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testDerivation = builtins.toFile "test.nix" ''
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{ cacheBreak }:
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let pkgs = import <nixpkgs> { };
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in
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pkgs.runCommand "test" { } '''
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# ''${cacheBreak}
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id -g
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id -u
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echo "GROUP"
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cat /etc/group
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echo "PASSWD"
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cat /etc/passwd
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username=$(id -un)
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groupname=$(id -gn)
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[[ "$username" =~ nixbld* ]]
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[[ "$groupname" =~ nixbld* ]]
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touch $out
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'''
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'';
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in
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{
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name = "broken-userns";
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nodes.machine =
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{
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config,
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lib,
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pkgs,
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...
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}:
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{
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virtualisation.writableStore = true;
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nix.settings.substituters = lib.mkForce [ ];
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nix.nixPath = [ "nixpkgs=${lib.cleanSource pkgs.path}" ];
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virtualisation.additionalPaths = [
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pkgs.stdenvNoCC
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testDerivation
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];
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};
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testScript =
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{ nodes }:
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''
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start_all()
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# Building it normally should work
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machine.succeed(r"""
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nix-build --argstr cacheBreak 1 --store daemon ${testDerivation}
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""")
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# Building it with broken userns should also work
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machine.succeed(r"""
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# break user ns
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sysctl -w user.max_user_namespaces=0
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""")
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machine.systemctl("restart nix-daemon")
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machine.succeed(r"""
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nix-build --argstr cacheBreak 2 --store daemon ${testDerivation}
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""")
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'';
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}
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