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https://github.com/NixOS/nixpkgs.git
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389de87aed
Added extra option to enable unprivileged containers. This includes a patch to remove the hard-coded path to `lxc-user-nic` and a new security wrapper to set SUID to `lxc-user-nic`.
125 lines
3.5 KiB
Nix
125 lines
3.5 KiB
Nix
import ../make-test-python.nix (
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{ pkgs, lib, ... }:
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let
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releases = import ../../release.nix {
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configuration = {
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# Building documentation makes the test unnecessarily take a longer time:
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documentation.enable = lib.mkForce false;
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};
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};
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lxc-image-metadata = releases.lxdContainerMeta.${pkgs.stdenv.hostPlatform.system};
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lxc-image-rootfs = releases.lxdContainerImage.${pkgs.stdenv.hostPlatform.system};
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in
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{
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name = "lxc-container-unprivileged";
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meta = {
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maintainers = lib.teams.lxc.members;
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};
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nodes.machine =
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{ lib, pkgs, ... }:
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{
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virtualisation = {
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diskSize = 6144;
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cores = 2;
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memorySize = 512;
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writableStore = true;
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lxc = {
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enable = true;
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unprivilegedContainers = true;
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systemConfig = ''
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lxc.lxcpath = /tmp/lxc
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'';
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defaultConfig = ''
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lxc.net.0.type = veth
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lxc.net.0.link = lxcbr0
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lxc.net.0.flags = up
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lxc.net.0.hwaddr = 00:16:3e:xx:xx:xx
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lxc.idmap = u 0 100000 65536
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lxc.idmap = g 0 100000 65536
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'';
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# Permit user alice to connect to bridge
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usernetConfig = ''
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@lxc-user veth lxcbr0 10
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'';
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bridgeConfig = ''
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LXC_IPV6_ADDR=""
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LXC_IPV6_MASK=""
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LXC_IPV6_NETWORK=""
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LXC_IPV6_NAT="false"
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'';
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};
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};
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# Needed for lxc
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environment.systemPackages = with pkgs; [
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pkgs.wget
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pkgs.dnsmasq
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];
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# Create user for test
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users.users.alice = {
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isNormalUser = true;
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password = "test";
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description = "Lxc unprivileged user with access to lxcbr0";
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extraGroups = [ "lxc-user" ];
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subGidRanges = [
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{
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startGid = 100000;
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count = 65536;
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}
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];
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subUidRanges = [
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{
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startUid = 100000;
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count = 65536;
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}
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];
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};
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users.users.bob = {
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isNormalUser = true;
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password = "test";
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description = "Lxc unprivileged user without access to lxcbr0";
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subGidRanges = [
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{
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startGid = 100000;
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count = 65536;
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}
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];
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subUidRanges = [
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{
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startUid = 100000;
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count = 65536;
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}
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];
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};
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};
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testScript = ''
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machine.wait_for_unit("lxc-net.service")
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# Copy config files for alice
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machine.execute("su -- alice -c 'mkdir -p ~/.config/lxc'")
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machine.execute("su -- alice -c 'cp /etc/lxc/default.conf ~/.config/lxc/'")
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machine.execute("su -- alice -c 'cp /etc/lxc/lxc.conf ~/.config/lxc/'")
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machine.succeed("su -- alice -c 'lxc-create -t local -n test -- --metadata ${lxc-image-metadata}/*/*.tar.xz --fstree ${lxc-image-rootfs}/*/*.tar.xz'")
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machine.succeed("su -- alice -c 'lxc-start test'")
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machine.succeed("su -- alice -c 'lxc-stop test'")
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# Copy config files for bob
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machine.execute("su -- bob -c 'mkdir -p ~/.config/lxc'")
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machine.execute("su -- bob -c 'cp /etc/lxc/default.conf ~/.config/lxc/'")
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machine.execute("su -- bob -c 'cp /etc/lxc/lxc.conf ~/.config/lxc/'")
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machine.fail("su -- bob -c 'lxc-start test'")
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'';
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}
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)
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