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tests: Add sysctl

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Tim Steinbach 2017-09-05 19:03:54 -04:00
parent 8706664ff6
commit 04b0f3255f
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3 changed files with 27 additions and 0 deletions
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1
nixos/release-combined.nix
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@ -115,6 +115,7 @@ in rec {
(all nixos.tests.sddm.default)
(all nixos.tests.simple)
(all nixos.tests.slim)
(all nixos.tests.sysctl)
(all nixos.tests.udisks2)
(all nixos.tests.xfce)

1
nixos/release.nix
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@ -309,6 +309,7 @@ in rec {
tests.slim = callTest tests/slim.nix {};
tests.smokeping = callTest tests/smokeping.nix {};
tests.snapper = callTest tests/snapper.nix {};
tests.sysctl = callTest tests/sysctl.nix {};
tests.taskserver = callTest tests/taskserver.nix {};
tests.tomcat = callTest tests/tomcat.nix {};
tests.udisks2 = callTest tests/udisks2.nix {};

25
nixos/tests/sysctl.nix Normal file
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@ -0,0 +1,25 @@
import ./make-test.nix ({ pkgs, ...} : {
name = "sysctl";
meta = with pkgs.stdenv.lib.maintainers; {
maintainers = [ nequissimus ];
};
machine = { config, lib, pkgs, ... }:
{
boot.kernelPackages = pkgs.linuxPackages;
boot.kernel.sysctl = {
"kernel.dmesg_restrict" = true; # Restrict dmesg access
"net.core.bpf_jit_enable" = false; # Turn off bpf JIT
"user.max_user_namespaces" = 0; # Disable user namespaces
"vm.swappiness" = 2; # Low swap usage
};
};
testScript =
''
$machine->succeed("sysctl kernel.dmesg_restrict | grep 'kernel.dmesg_restrict = 1'");
$machine->succeed("sysctl net.core.bpf_jit_enable | grep 'net.core.bpf_jit_enable = 0'");
$machine->succeed("sysctl user.max_user_namespaces | grep 'user.max_user_namespaces = 0'");
$machine->succeed("sysctl vm.swappiness | grep 'vm.swappiness = 2'");
'';
})