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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")
'';
})
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