diff options
Diffstat (limited to 'nixos/modules/system/activation')
| -rwxr-xr-x | nixos/modules/system/activation/switch-to-configuration.pl | 3 | ||||
| -rw-r--r-- | nixos/modules/system/activation/switchable-system.nix | 109 | ||||
| -rw-r--r-- | nixos/modules/system/activation/test.nix | 4 | ||||
| -rw-r--r-- | nixos/modules/system/activation/top-level.nix | 23 |
4 files changed, 91 insertions, 48 deletions
diff --git a/nixos/modules/system/activation/switch-to-configuration.pl b/nixos/modules/system/activation/switch-to-configuration.pl index ba45231465fb4..cabc1dcc2d65a 100755 --- a/nixos/modules/system/activation/switch-to-configuration.pl +++ b/nixos/modules/system/activation/switch-to-configuration.pl @@ -472,6 +472,9 @@ sub handle_modified_unit { ## no critic(Subroutines::ProhibitManyArgs, Subroutin $units_to_reload->{$unit} = 1; record_unit($reload_list_file, $unit); } + elsif ($unit eq "dbus.service" || $unit eq "dbus-broker.service") { + # dbus service should only ever be reloaded, not started/stoped/restarted as that would break the system. + } elsif (!parse_systemd_bool(\%new_unit_info, "Service", "X-RestartIfChanged", 1) || parse_systemd_bool(\%new_unit_info, "Unit", "RefuseManualStop", 0) || parse_systemd_bool(\%new_unit_info, "Unit", "X-OnlyManualStart", 0)) { $units_to_skip->{$unit} = 1; } else { diff --git a/nixos/modules/system/activation/switchable-system.nix b/nixos/modules/system/activation/switchable-system.nix index d5bd8cc1dc115..d70fefd0920b4 100644 --- a/nixos/modules/system/activation/switchable-system.nix +++ b/nixos/modules/system/activation/switchable-system.nix @@ -4,52 +4,93 @@ let perlWrapped = pkgs.perl.withPackages (p: with p; [ ConfigIniFiles FileSlurp ]); + description = extra: '' + Whether to include the capability to switch configurations. + + Disabling this makes the system unable to be reconfigured via `nixos-rebuild`. + + ${extra} + ''; + in { - options = { - system.switch.enable = lib.mkOption { + options.system.switch = { + enable = lib.mkOption { type = lib.types.bool; default = true; - description = '' - Whether to include the capability to switch configurations. - - Disabling this makes the system unable to be reconfigured via `nixos-rebuild`. - + description = description '' This is good for image based appliances where updates are handled outside the image. Reducing features makes the image lighter and slightly more secure. ''; }; - }; - config = lib.mkIf config.system.switch.enable { - system.activatableSystemBuilderCommands = '' - mkdir $out/bin - substitute ${./switch-to-configuration.pl} $out/bin/switch-to-configuration \ - --subst-var out \ - --subst-var-by toplevel ''${!toplevelVar} \ - --subst-var-by coreutils "${pkgs.coreutils}" \ - --subst-var-by distroId ${lib.escapeShellArg config.system.nixos.distroId} \ - --subst-var-by installBootLoader ${lib.escapeShellArg config.system.build.installBootLoader} \ - --subst-var-by localeArchive "${config.i18n.glibcLocales}/lib/locale/locale-archive" \ - --subst-var-by perl "${perlWrapped}" \ - --subst-var-by shell "${pkgs.bash}/bin/sh" \ - --subst-var-by su "${pkgs.shadow.su}/bin/su" \ - --subst-var-by systemd "${config.systemd.package}" \ - --subst-var-by utillinux "${pkgs.util-linux}" \ - ; - - chmod +x $out/bin/switch-to-configuration - ${lib.optionalString (pkgs.stdenv.hostPlatform == pkgs.stdenv.buildPlatform) '' - if ! output=$(${perlWrapped}/bin/perl -c $out/bin/switch-to-configuration 2>&1); then - echo "switch-to-configuration syntax is not valid:" - echo "$output" - exit 1 - fi - ''} - ''; + enableNg = lib.mkOption { + type = lib.types.bool; + default = false; + description = description '' + Whether to use `switch-to-configuration-ng`, an experimental + re-implementation of `switch-to-configuration` with the goal of + replacing the original. + ''; + }; }; + config = lib.mkMerge [ + { + assertions = [{ + assertion = with config.system.switch; enable -> !enableNg; + message = "Only one of system.switch.enable and system.switch.enableNg may be enabled at a time"; + }]; + } + (lib.mkIf config.system.switch.enable { + system.activatableSystemBuilderCommands = '' + mkdir $out/bin + substitute ${./switch-to-configuration.pl} $out/bin/switch-to-configuration \ + --subst-var out \ + --subst-var-by toplevel ''${!toplevelVar} \ + --subst-var-by coreutils "${pkgs.coreutils}" \ + --subst-var-by distroId ${lib.escapeShellArg config.system.nixos.distroId} \ + --subst-var-by installBootLoader ${lib.escapeShellArg config.system.build.installBootLoader} \ + --subst-var-by localeArchive "${config.i18n.glibcLocales}/lib/locale/locale-archive" \ + --subst-var-by perl "${perlWrapped}" \ + --subst-var-by shell "${pkgs.bash}/bin/sh" \ + --subst-var-by su "${pkgs.shadow.su}/bin/su" \ + --subst-var-by systemd "${config.systemd.package}" \ + --subst-var-by utillinux "${pkgs.util-linux}" \ + ; + + chmod +x $out/bin/switch-to-configuration + ${lib.optionalString (pkgs.stdenv.hostPlatform == pkgs.stdenv.buildPlatform) '' + if ! output=$(${perlWrapped}/bin/perl -c $out/bin/switch-to-configuration 2>&1); then + echo "switch-to-configuration syntax is not valid:" + echo "$output" + exit 1 + fi + ''} + ''; + }) + (lib.mkIf config.system.switch.enableNg { + # Use a subshell so we can source makeWrapper's setup hook without + # affecting the rest of activatableSystemBuilderCommands. + system.activatableSystemBuilderCommands = '' + ( + source ${pkgs.buildPackages.makeWrapper}/nix-support/setup-hook + + mkdir $out/bin + ln -sf ${lib.getExe pkgs.switch-to-configuration-ng} $out/bin/switch-to-configuration + wrapProgram $out/bin/switch-to-configuration \ + --set OUT $out \ + --set TOPLEVEL ''${!toplevelVar} \ + --set DISTRO_ID ${lib.escapeShellArg config.system.nixos.distroId} \ + --set INSTALL_BOOTLOADER ${lib.escapeShellArg config.system.build.installBootLoader} \ + --set LOCALE_ARCHIVE ${config.i18n.glibcLocales}/lib/locale/locale-archive \ + --set SYSTEMD ${config.systemd.package} + ) + ''; + }) + ]; + } diff --git a/nixos/modules/system/activation/test.nix b/nixos/modules/system/activation/test.nix index 8cf000451c6e3..fd251d5289579 100644 --- a/nixos/modules/system/activation/test.nix +++ b/nixos/modules/system/activation/test.nix @@ -5,7 +5,7 @@ }: let node-forbiddenDependencies-fail = nixos ({ ... }: { - system.forbiddenDependenciesRegex = "-dev$"; + system.forbiddenDependenciesRegexes = ["-dev$"]; environment.etc."dev-dependency" = { text = "${expect.dev}"; }; @@ -14,7 +14,7 @@ let boot.loader.grub.enable = false; }); node-forbiddenDependencies-succeed = nixos ({ ... }: { - system.forbiddenDependenciesRegex = "-dev$"; + system.forbiddenDependenciesRegexes = ["-dev$"]; system.extraDependencies = [ expect.dev ]; documentation.enable = false; fileSystems."/".device = "ignore-root-device"; diff --git a/nixos/modules/system/activation/top-level.nix b/nixos/modules/system/activation/top-level.nix index 4cf3012646fa3..ed0ece19f2fa2 100644 --- a/nixos/modules/system/activation/top-level.nix +++ b/nixos/modules/system/activation/top-level.nix @@ -86,6 +86,7 @@ in ../build.nix (mkRemovedOptionModule [ "nesting" "clone" ] "Use `specialisation.«name» = { inheritParentConfig = true; configuration = { ... }; }` instead.") (mkRemovedOptionModule [ "nesting" "children" ] "Use `specialisation.«name».configuration = { ... }` instead.") + (mkRenamedOptionModule [ "system" "forbiddenDependenciesRegex" ] [ "system" "forbiddenDependenciesRegexes" ]) ]; options = { @@ -160,12 +161,12 @@ in ''; }; - system.forbiddenDependenciesRegex = mkOption { - default = ""; - example = "-dev$"; - type = types.str; + system.forbiddenDependenciesRegexes = mkOption { + default = []; + example = ["-dev$"]; + type = types.listOf types.str; description = '' - A POSIX Extended Regular Expression that matches store paths that + POSIX Extended Regular Expressions that match store paths that should not appear in the system closure, with the exception of {option}`system.extraDependencies`, which is not checked. ''; }; @@ -289,15 +290,14 @@ in "$out/configuration.nix" '' + optionalString - (config.system.forbiddenDependenciesRegex != "") - '' - if [[ $forbiddenDependenciesRegex != "" && -n $closureInfo ]]; then - if forbiddenPaths="$(grep -E -- "$forbiddenDependenciesRegex" $closureInfo/store-paths)"; then + (config.system.forbiddenDependenciesRegexes != []) (lib.concatStringsSep "\n" (map (regex: '' + if [[ ${regex} != "" && -n $closureInfo ]]; then + if forbiddenPaths="$(grep -E -- "${regex}" $closureInfo/store-paths)"; then echo -e "System closure $out contains the following disallowed paths:\n$forbiddenPaths" exit 1 fi fi - ''; + '') config.system.forbiddenDependenciesRegexes)); system.systemBuilderArgs = { @@ -319,8 +319,7 @@ in # option, as opposed to `system.extraDependencies`. passedChecks = concatStringsSep " " config.system.checks; } - // lib.optionalAttrs (config.system.forbiddenDependenciesRegex != "") { - inherit (config.system) forbiddenDependenciesRegex; + // lib.optionalAttrs (config.system.forbiddenDependenciesRegexes != []) { closureInfo = pkgs.closureInfo { rootPaths = [ # override to avoid infinite recursion (and to allow using extraDependencies to add forbidden dependencies) (config.system.build.toplevel.overrideAttrs (_: { extraDependencies = []; closureInfo = null; })) |