nixos/systemd: add units for capsule support

Changed files
+53
nixos
modules
system
boot
tests
+4
nixos/modules/system/boot/systemd.nix
···
++ [
"systemd-exit.service"
"systemd-update-done.service"
+
+
# Capsule support
+
"capsule@.service"
+
"capsule.slice"
]
++ cfg.additionalUpstreamSystemUnits;
+1
nixos/modules/system/boot/systemd/user.nix
···
"background.slice"
"basic.target"
"bluetooth.target"
+
"capsule@.target"
"default.target"
"exit.target"
"graphical-session-pre.target"
+1
nixos/tests/all-tests.nix
···
systemd-binfmt = handleTestOn [ "x86_64-linux" ] ./systemd-binfmt.nix { };
systemd-boot = handleTest ./systemd-boot.nix { };
systemd-bpf = runTest ./systemd-bpf.nix;
+
systemd-capsules = runTest ./systemd-capsules.nix;
systemd-confinement = handleTest ./systemd-confinement { };
systemd-coredump = runTest ./systemd-coredump.nix;
systemd-credentials-tpm2 = runTest ./systemd-credentials-tpm2.nix;
+47
nixos/tests/systemd-capsules.nix
···
+
{ lib, ... }:
+
{
+
name = "systemd-capsules";
+
+
meta.maintainers = with lib.maintainers; [ fpletz ];
+
+
nodes.machine =
+
{ pkgs, ... }:
+
{
+
environment.systemPackages = [ pkgs.hello ];
+
systemd.user.services.alice-sleep = {
+
wantedBy = [ "capsule@alice.target" ];
+
serviceConfig = {
+
ExecStart = "${pkgs.coreutils}/bin/sleep 999";
+
};
+
};
+
};
+
+
testScript = # python
+
''
+
machine.wait_for_unit("multi-user.target")
+
+
with subtest("capsule setup"):
+
machine.succeed("systemctl start capsule@alice.service")
+
+
with subtest("imperative user service in capsule"):
+
machine.succeed("systemd-run --capsule=alice --unit=sleeptest.service /run/current-system/sw/bin/sleep 999")
+
machine.succeed("systemctl --capsule=alice status sleeptest.service")
+
+
with subtest("declarative user service in capsule"):
+
machine.succeed("systemctl --capsule=alice status alice-sleep.service")
+
machine.succeed("systemctl --capsule=alice stop alice-sleep.service")
+
machine.fail("systemctl --capsule=alice status alice-sleep.service")
+
machine.succeed("systemctl --capsule=alice start alice-sleep.service")
+
machine.succeed("systemctl --capsule=alice status alice-sleep.service")
+
+
with subtest("interactive shell with terminal in capsule"):
+
hello_output = machine.succeed("systemd-run -t --capsule=alice /run/current-system/sw/bin/bash -i -c 'hello | tee ~/hello'")
+
assert hello_output == "Hello, world!\r\n"
+
machine.copy_from_vm("/var/lib/capsules/alice/hello")
+
+
with subtest("capsule cleanup"):
+
machine.succeed("systemctl --capsule=alice stop sleeptest.service")
+
machine.succeed("systemctl stop capsule@alice.service")
+
machine.succeed("systemctl clean --all capsule@alice.service")
+
'';
+
}