mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-18 03:30:45 +00:00
202 lines
7.5 KiB
Nix
202 lines
7.5 KiB
Nix
import ./make-test-python.nix ({ pkgs, ... }:
|
|
let
|
|
|
|
container = { config, ... }: {
|
|
# 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 ];
|
|
|
|
system.stateVersion = config.system.nixos.version;
|
|
};
|
|
|
|
containerSystem = (import ../lib/eval-config.nix {
|
|
inherit (pkgs) system;
|
|
modules = [ container ];
|
|
}).config.system.build.toplevel;
|
|
|
|
containerName = "container";
|
|
containerRoot = "/var/lib/machines/${containerName}";
|
|
|
|
containerTarball = pkgs.callPackage ../lib/make-system-tarball.nix {
|
|
storeContents = [
|
|
{
|
|
object = containerSystem;
|
|
symlink = "/nix/var/nix/profiles/system";
|
|
}
|
|
];
|
|
|
|
contents = [
|
|
{
|
|
source = containerSystem + "/etc/os-release";
|
|
target = "/etc/os-release";
|
|
}
|
|
{
|
|
source = containerSystem + "/init";
|
|
target = "/sbin/init";
|
|
}
|
|
];
|
|
};
|
|
in
|
|
{
|
|
name = "systemd-machinectl";
|
|
|
|
nodes.machine = { lib, ... }: {
|
|
# use networkd to obtain systemd network setup
|
|
networking.useNetworkd = true;
|
|
networking.useDHCP = false;
|
|
|
|
# do not try to access cache.nixos.org
|
|
nix.settings.substituters = lib.mkForce [ ];
|
|
|
|
# auto-start container
|
|
systemd.targets.machines.wants = [ "systemd-nspawn@${containerName}.service" ];
|
|
|
|
virtualisation.additionalPaths = [ containerSystem containerTarball ];
|
|
|
|
systemd.tmpfiles.rules = [
|
|
"d /var/lib/machines/shared-decl 0755 root root - -"
|
|
];
|
|
systemd.nspawn.shared-decl = {
|
|
execConfig = {
|
|
Boot = false;
|
|
Parameters = "${containerSystem}/init";
|
|
};
|
|
filesConfig = {
|
|
BindReadOnly = "/nix/store";
|
|
};
|
|
};
|
|
|
|
systemd.nspawn.${containerName} = {
|
|
filesConfig = {
|
|
# workaround to fix kernel namespaces; needed for Nix sandbox
|
|
# https://github.com/systemd/systemd/issues/27994#issuecomment-1704005670
|
|
Bind = "/proc:/run/proc";
|
|
};
|
|
};
|
|
|
|
systemd.services."systemd-nspawn@${containerName}" = {
|
|
serviceConfig.Environment = [
|
|
# Disable tmpfs for /tmp
|
|
"SYSTEMD_NSPAWN_TMPFS_TMP=0"
|
|
|
|
# force unified cgroup delegation, which would be the default
|
|
# if systemd could check the capabilities of the installed systemd.
|
|
# see also: https://github.com/NixOS/nixpkgs/pull/198526
|
|
"SYSTEMD_NSPAWN_UNIFIED_HIERARCHY=1"
|
|
];
|
|
overrideStrategy = "asDropin";
|
|
};
|
|
|
|
# open DHCP for container
|
|
networking.firewall.extraCommands = ''
|
|
${pkgs.iptables}/bin/iptables -A nixos-fw -i ve-+ -p udp -m udp --dport 67 -j nixos-fw-accept
|
|
'';
|
|
};
|
|
|
|
testScript = ''
|
|
start_all()
|
|
machine.wait_for_unit("default.target");
|
|
|
|
# Test machinectl start stop of shared-decl
|
|
machine.succeed("machinectl start shared-decl");
|
|
machine.wait_until_succeeds("systemctl -M shared-decl is-active default.target");
|
|
machine.succeed("machinectl stop shared-decl");
|
|
|
|
# create containers root
|
|
machine.succeed("mkdir -p ${containerRoot}");
|
|
|
|
# start container with shared nix store by using same arguments as for systemd-nspawn@.service
|
|
machine.succeed("systemd-run systemd-nspawn --machine=${containerName} --network-veth -U --bind-ro=/nix/store ${containerSystem}/init")
|
|
machine.wait_until_succeeds("systemctl -M ${containerName} is-active default.target");
|
|
|
|
# Test machinectl stop
|
|
machine.succeed("machinectl stop ${containerName}");
|
|
|
|
# Install container
|
|
# 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 systemd-nspawn configured unified cgroup delegation
|
|
# see also:
|
|
# https://github.com/systemd/systemd/blob/main/docs/CGROUP_DELEGATION.md#three-different-tree-setups-
|
|
machine.succeed('systemd-run --pty --wait -M ${containerName} /run/current-system/sw/bin/stat --format="%T" --file-system /sys/fs/cgroup > fstype')
|
|
machine.succeed('test $(tr -d "\\r" < fstype) = cgroup2fs')
|
|
|
|
# Test if systemd-nspawn provides a working environment for nix to build derivations
|
|
# https://nixos.org/guides/nix-pills/07-working-derivation
|
|
machine.succeed('systemd-run --pty --wait -M ${containerName} /run/current-system/sw/bin/nix-instantiate --expr \'derivation { name = "myname"; builder = "/bin/sh"; args = [ "-c" "echo foo > $out" ]; system = "${pkgs.system}"; }\' --add-root /tmp/drv')
|
|
machine.succeed('systemd-run --pty --wait -M ${containerName} /run/current-system/sw/bin/nix-store --option substitute false --realize /tmp/drv')
|
|
|
|
# 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 ${containerName}");
|
|
|
|
# Test systemd-nspawn network configuration to container
|
|
machine.succeed("networkctl --json=short status ve-${containerName} | ${pkgs.jq}/bin/jq -e '.OperationalState == \"routable\"'");
|
|
|
|
# Test systemd-nspawn network configuration to host
|
|
machine.succeed("machinectl shell ${containerName} /run/current-system/sw/bin/networkctl --json=short status host0 | ${pkgs.jq}/bin/jq -r '.OperationalState == \"routable\"'");
|
|
|
|
# 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}");
|
|
|
|
# Test import tarball, start, stop and remove
|
|
machine.succeed("machinectl import-tar ${containerTarball}/tarball/*.tar* ${containerName}");
|
|
machine.succeed("machinectl start ${containerName}");
|
|
machine.wait_until_succeeds("systemctl -M ${containerName} is-active default.target");
|
|
machine.succeed("machinectl stop ${containerName}");
|
|
machine.wait_until_succeeds("test $(systemctl is-active systemd-nspawn@${containerName}) = inactive");
|
|
machine.succeed("machinectl remove ${containerName}");
|
|
'';
|
|
})
|