import ./make-test-python.nix ({ pkgs, ... }: let container = { # We re-use the NixOS container option ... boot.isContainer = true; # ... and revert unwanted defaults networking.useHostResolvConf = false; # use networkd to obtain systemd network setup networking.useNetworkd = true; networking.useDHCP = false; # systemd-nspawn expects /sbin/init boot.loader.initScript.enable = true; imports = [ ../modules/profiles/minimal.nix ]; }; containerSystem = (import ../lib/eval-config.nix { inherit (pkgs) system; modules = [ container ]; }).config.system.build.toplevel; containerName = "container"; containerRoot = "/var/lib/machines/${containerName}"; in { name = "systemd-machinectl"; nodes.machine = { lib, ... }: { # use networkd to obtain systemd network setup networking.useNetworkd = true; networking.useDHCP = false; # do not try to access cache.nixos.org nix.settings.substituters = lib.mkForce [ ]; # auto-start container systemd.targets.machines.wants = [ "systemd-nspawn@${containerName}.service" ]; virtualisation.additionalPaths = [ containerSystem ]; # not needed, but we want to test the nspawn file generation systemd.nspawn.${containerName} = { }; systemd.services."systemd-nspawn@${containerName}" = { serviceConfig.Environment = [ # Disable tmpfs for /tmp "SYSTEMD_NSPAWN_TMPFS_TMP=0" ]; overrideStrategy = "asDropin"; }; }; testScript = '' start_all() machine.wait_for_unit("default.target"); # Install container machine.succeed("mkdir -p ${containerRoot}"); # Workaround for nixos-install machine.succeed("chmod o+rx /var/lib/machines"); machine.succeed("nixos-install --root ${containerRoot} --system ${containerSystem} --no-channel-copy --no-root-passwd"); # Allow systemd-nspawn to apply user namespace on immutable files machine.succeed("chattr -i ${containerRoot}/var/empty"); # Test machinectl start machine.succeed("machinectl start ${containerName}"); machine.wait_until_succeeds("systemctl -M ${containerName} is-active default.target"); # Test nss_mymachines without nscd machine.succeed('LD_LIBRARY_PATH="/run/current-system/sw/lib" getent -s hosts:mymachines hosts ${containerName}'); # Test nss_mymachines via nscd machine.succeed("getent hosts ${containerName}"); # Test systemd-nspawn network configuration machine.succeed("ping -n -c 1 ${containerName}"); # Test systemd-nspawn uses a user namespace machine.succeed("test $(machinectl status ${containerName} | grep 'UID Shift: ' | wc -l) = 1") # Test systemd-nspawn reboot machine.succeed("machinectl shell ${containerName} /run/current-system/sw/bin/reboot"); machine.wait_until_succeeds("systemctl -M ${containerName} is-active default.target"); # Test machinectl reboot machine.succeed("machinectl reboot ${containerName}"); machine.wait_until_succeeds("systemctl -M ${containerName} is-active default.target"); # Restart machine machine.shutdown() machine.start() machine.wait_for_unit("default.target"); # Test auto-start machine.succeed("machinectl show ${containerName}") # Test machinectl stop machine.succeed("machinectl stop ${containerName}"); machine.wait_until_succeeds("test $(systemctl is-active systemd-nspawn@${containerName}) = inactive"); # Test tmpfs for /tmp machine.fail("mountpoint /tmp"); # Show to to delete the container machine.succeed("chattr -i ${containerRoot}/var/empty"); machine.succeed("rm -rf ${containerRoot}"); ''; } )