nixos/systemd-repart: enable running after initrd (b1ff1e16) · Commits · nix / nixpkgs

nixos/modules/system/boot/systemd/repart.nix

+51 −29

Original line number	Diff line number	Diff line
		{ config, pkgs, lib, ... }:

		let
		cfg = config.boot.initrd.systemd.repart;
		cfg = config.systemd.repart;
		initrdCfg = config.boot.initrd.systemd.repart;

		writeDefinition = name: partitionConfig: pkgs.writeText
		"${name}.conf"
		@@ -24,11 +25,25 @@ let
		'';
		in
		{
		options.boot.initrd.systemd.repart = {
		options = {
		boot.initrd.systemd.repart.enable = lib.mkEnableOption (lib.mdDoc "systemd-repart") // {
		description = lib.mdDoc ''
		Grow and add partitions to a partition table at boot time in the initrd.
		systemd-repart only works with GPT partition tables.

		To run systemd-repart after the initrd, see
		`options.systemd.repart.enable`.
		'';
		};

		systemd.repart = {
		enable = lib.mkEnableOption (lib.mdDoc "systemd-repart") // {
		description = lib.mdDoc ''
		Grow and add partitions to a partition table a boot time in the initrd.
		Grow and add partitions to a partition table.
		systemd-repart only works with GPT partition tables.

		To run systemd-repart while in the initrd, see
		`options.boot.initrd.systemd.repart.enable`.
		'';
		};

		@@ -54,15 +69,15 @@ in
		'';
		};
		};
		};

		config = lib.mkIf cfg.enable {
		# Link the definitions into /etc so that they are included in the
		# /nix/store of the sysroot. This also allows the user to run the
		# systemd-repart binary after activation manually while automatically
		# picking up the definition files.
		config = lib.mkIf (cfg.enable \|\| initrdCfg.enable) {
		# Always link the definitions into /etc so that they are also included in
		# the /nix/store of the sysroot during early userspace (i.e. while in the
		# initrd).
		environment.etc."repart.d".source = definitionsDirectory;

		boot.initrd.systemd = {
		boot.initrd.systemd = lib.mkIf initrdCfg.enable {
		additionalUpstreamUnits = [
		"systemd-repart.service"
		];
		@@ -73,7 +88,7 @@ in

		# Override defaults in upstream unit.
		services.systemd-repart = {
		# Unset the coniditions as they cannot be met before activation because
		# Unset the conditions as they cannot be met before activation because
		# the definition files are not stored in the expected locations.
		unitConfig.ConditionDirectoryNotEmpty = [
		" " # required to unset the previous value.
		@@ -97,5 +112,12 @@ in
		after = [ "sysroot.mount" ];
		};
		};

		systemd = lib.mkIf cfg.enable {
		additionalUpstreamSystemUnits = [
		"systemd-repart.service"
		];
		};
		};

		}

nixos/tests/systemd-repart.nix

+30 −4

Original line number	Diff line number	Diff line
		@@ -52,9 +52,6 @@ let
		};
		};

		boot.initrd.systemd.enable = true;
		boot.initrd.systemd.repart.enable = true;

		# systemd-repart operates on disks with a partition table. The qemu module,
		# however, creates separate filesystem images without a partition table, so
		# we have to create a disk image manually.
		@@ -88,7 +85,10 @@ in
		nodes.machine = { config, pkgs, ... }: {
		imports = [ common ];

		boot.initrd.systemd.repart.partitions = {
		boot.initrd.systemd.enable = true;

		boot.initrd.systemd.repart.enable = true;
		systemd.repart.partitions = {
		"10-root" = {
		Type = "linux-generic";
		};
		@@ -105,4 +105,30 @@ in
		assert "Growing existing partition 1." in systemd_repart_logs
		'';
		};

		after-initrd = makeTest {
		name = "systemd-repart-after-initrd";
		meta.maintainers = with maintainers; [ nikstur ];

		nodes.machine = { config, pkgs, ... }: {
		imports = [ common ];

		systemd.repart.enable = true;
		systemd.repart.partitions = {
		"10-root" = {
		Type = "linux-generic";
		};
		};
		};

		testScript = { nodes, ... }: ''
		${useDiskImage nodes.machine}

		machine.start()
		machine.wait_for_unit("multi-user.target")

		systemd_repart_logs = machine.succeed("journalctl --unit systemd-repart.service")
		assert "Growing existing partition 1." in systemd_repart_logs
		'';
		};
		}