mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-11-23 06:01:15 +00:00
e8388f8574
The primary use case is tools like sops-nix and agenix to restart units when secrets change. There's probably other reasons to restart units as well and a nice thing to have in general.
74 lines
2.7 KiB
Nix
74 lines
2.7 KiB
Nix
import ./make-test-python.nix ({ pkgs, ...} : {
|
|
name = "restart-by-activation-script";
|
|
meta = with pkgs.lib.maintainers; {
|
|
maintainers = [ das_j ];
|
|
};
|
|
|
|
machine = { pkgs, ... }: {
|
|
imports = [ ../modules/profiles/minimal.nix ];
|
|
|
|
systemd.services.restart-me = {
|
|
wantedBy = [ "multi-user.target" ];
|
|
serviceConfig = {
|
|
Type = "oneshot";
|
|
RemainAfterExit = true;
|
|
ExecStart = "${pkgs.coreutils}/bin/true";
|
|
};
|
|
};
|
|
|
|
systemd.services.reload-me = {
|
|
wantedBy = [ "multi-user.target" ];
|
|
serviceConfig = rec {
|
|
Type = "oneshot";
|
|
RemainAfterExit = true;
|
|
ExecStart = "${pkgs.coreutils}/bin/true";
|
|
ExecReload = ExecStart;
|
|
};
|
|
};
|
|
|
|
system.activationScripts.test = {
|
|
supportsDryActivation = true;
|
|
text = ''
|
|
if [ -e /test-the-activation-script ]; then
|
|
if [ "$NIXOS_ACTION" != dry-activate ]; then
|
|
touch /activation-was-run
|
|
echo restart-me.service > /run/nixos/activation-restart-list
|
|
echo reload-me.service > /run/nixos/activation-reload-list
|
|
else
|
|
echo restart-me.service > /run/nixos/dry-activation-restart-list
|
|
echo reload-me.service > /run/nixos/dry-activation-reload-list
|
|
fi
|
|
fi
|
|
'';
|
|
};
|
|
};
|
|
|
|
testScript = /* python */ ''
|
|
machine.wait_for_unit("multi-user.target")
|
|
|
|
with subtest("nothing happens when the activation script does nothing"):
|
|
out = machine.succeed("/run/current-system/bin/switch-to-configuration dry-activate 2>&1")
|
|
assert 'restart' not in out
|
|
assert 'reload' not in out
|
|
out = machine.succeed("/run/current-system/bin/switch-to-configuration test")
|
|
assert 'restart' not in out
|
|
assert 'reload' not in out
|
|
|
|
machine.succeed("touch /test-the-activation-script")
|
|
|
|
with subtest("dry activation"):
|
|
out = machine.succeed("/run/current-system/bin/switch-to-configuration dry-activate 2>&1")
|
|
assert 'would restart the following units: restart-me.service' in out
|
|
assert 'would reload the following units: reload-me.service' in out
|
|
machine.fail("test -f /run/nixos/dry-activation-restart-list")
|
|
machine.fail("test -f /run/nixos/dry-activation-reload-list")
|
|
|
|
with subtest("real activation"):
|
|
out = machine.succeed("/run/current-system/bin/switch-to-configuration test 2>&1")
|
|
assert 'restarting the following units: restart-me.service' in out
|
|
assert 'reloading the following units: reload-me.service' in out
|
|
machine.fail("test -f /run/nixos/activation-restart-list")
|
|
machine.fail("test -f /run/nixos/activation-reload-list")
|
|
'';
|
|
})
|