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Merge pull request #122099 from alekna/fix/docker

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nixos/docker: ensure ipv4 forwarding is enabled
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Luke Granger-Brown 2021-05-09 12:15:16 +01:00 committed by GitHub
commit 491216df02
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4
nixos/modules/virtualisation/docker.nix
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@ -150,6 +150,10 @@ in
config = mkIf cfg.enable (mkMerge [{
boot.kernelModules = [ "bridge" "veth" ];
boot.kernel.sysctl = {
"net.ipv4.conf.all.forwarding" = mkOverride 99 true;
"net.ipv4.conf.default.forwarding" = mkOverride 99 true;
};
environment.systemPackages = [ cfg.package ]
++ optional cfg.enableNvidia pkgs.nvidia-docker;
users.groups.docker.gid = config.ids.gids.docker;

3
nixos/tests/docker.nix
View file

@ -45,5 +45,8 @@ import ./make-test-python.nix ({ pkgs, ...} : {
# Must match version 4 times to ensure client and server git commits and versions are correct
docker.succeed('[ $(docker version | grep ${pkgs.docker.version} | wc -l) = "4" ]')
docker.succeed("systemctl restart systemd-sysctl")
docker.succeed("grep 1 /proc/sys/net/ipv4/conf/all/forwarding")
docker.succeed("grep 1 /proc/sys/net/ipv4/conf/default/forwarding")
'';
})