fix: create derivation for initrd creation
This commit is contained in:
parent
9ff916d0a3
commit
e7470498e5
4 changed files with 137 additions and 129 deletions
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@ -26,9 +26,9 @@
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echo "make UKI..."
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mkdir -p patos/efi/boot
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${self.packages.${system}.systemd.out}/usr/bin/ukify build \
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--linux ${self.packages.${system}.kernel.kernel}/bzImage \
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--initrd ./initrd.xz \
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${patosPkgs.systemd.out}/usr/bin/ukify build \
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--linux ${patosPkgs.kernel.kernel}/bzImage \
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--initrd ${patosPkgs.initrd.out}/initrd.xz \
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--cmdline "console=ttyS0" \
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-o patos/efi/boot/bootx64.efi
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'';
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@ -38,8 +38,8 @@
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systemd = pkgs.callPackage ./systemd { };
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dbus-broker = pkgs.callPackage ./dbus-broker { };
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rootfs = pkgs.callPackage ./rootfs { inherit patosPkgs; };
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initrd = pkgs.callPackage ./rootfs/mkinitrd.nix { inherit patosPkgs; };
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mkinitrd = pkgs.callPackage ./utils/mkinitrd.nix { inherit patosPkgs; };
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qemu-uefi-tpm = pkgs.callPackage ./utils/qemu-uefi-tpm.nix { };
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};
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23
rootfs/mkinitrd.nix
Normal file
23
rootfs/mkinitrd.nix
Normal file
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@ -0,0 +1,23 @@
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{
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pkgs,
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stdenvNoCC,
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patosPkgs,
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...
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}:
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let
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version = "0.0.1";
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pname = "patos-ramdisk";
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in
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stdenvNoCC.mkDerivation (finalAttrs: {
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inherit version;
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inherit pname;
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buildInputs = with pkgs; [
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cpio
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xz
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];
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rootfs = patosPkgs.rootfs.out;
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builder = ./mkinitrd.sh;
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})
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110
rootfs/mkinitrd.sh
Normal file
110
rootfs/mkinitrd.sh
Normal file
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@ -0,0 +1,110 @@
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set -ex -p pipefail
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echo "Building initram disk"
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mkdir -p $out/root
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pushd $out/root
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### copy rootfs
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cp -prP $rootfs/* .
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find . -type d -exec chmod 755 {} \;
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### create directories
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ln -sf ../usr/lib/systemd/systemd init
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# set default target to basic
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mkdir usr/lib/systemd/system/basic.target.wants
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ln -sf basic.target usr/lib/systemd/system/default.target
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# enable dbus broker
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ln -sf ../dbus-broker.service usr/lib/systemd/system/basic.target.wants/dbus-broker.service
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ln -sf ../dbus.socket usr/lib/systemd/system/sockets.target.wants/dbus.socket
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### Create needed files
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echo patos > ./etc/hostname
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cat <<EOF > ./etc/os-release
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NAME="PatOS"
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PRETTY_NAME="PatOS Platform"
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ID=patos
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EOF
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cat <<EOF > ./etc/passwd
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root::0:0:root:/root:/bin/sh
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bin:x:1:1:bin:/bin:/usr/bin/nologin
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daemon:x:2:2:daemon:/:/usr/bin/nologin
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mail:x:8:12:mail:/var/spool/mail:/usr/bin/nologin
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ftp:x:14:11:ftp:/srv/ftp:/usr/bin/nologin
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http:x:33:33:http:/srv/http:/usr/bin/nologin
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uuidd:x:68:68:uuidd:/:/usr/bin/nologin
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messagebus:x:81:81:messagebus:/:/usr/bin/nologin
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nobody:x:99:99:nobody:/:/usr/bin/nologin
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EOF
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chmod 644 ./etc/passwd
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cat <<EOF > ./etc/group
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root:x:0:root
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bin:x:1:root,bin,daemon
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daemon:x:2:root,bin,daemon
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sys:x:3:root,bin
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adm:x:4:root,daemon
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tty:x:5:
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disk:x:6:root
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lp:x:7:daemon
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mem:x:8:
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kmem:x:9:
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wheel:x:10:root
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ftp:x:11:
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mail:x:12:
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uucp:x:14:
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log:x:19:root
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utmp:x:20:
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locate:x:21:
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rfkill:x:24:
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smmsp:x:25:
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proc:x:26:
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http:x:33:
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games:x:50:
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lock:x:54:
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uuidd:x:68:
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messagebus:x:81:
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network:x:90:
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video:x:91:
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audio:x:92:
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optical:x:93:
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floppy:x:94:
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storage:x:95:
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scanner:x:96:
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input:x:97:
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power:x:98:
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nobody:x:99:
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EOF
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chmod 644 ./etc/group
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# FIXME: remove this later (just to get a shell in the initramfs)
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cat <<EOF > usr/lib/systemd/system/demo.service
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[Unit]
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Description=Debug Shell (/bin/sulogin)
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Conflicts=shutdown.target
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Before=shutdown.target
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[Service]
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Environment=HOME=/root
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WorkingDirectory=/root
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ExecStart=/bin/sulogin
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Type=idle
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StandardInput=tty-force
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StandardOutput=inherit
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StandardError=inherit
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KillMode=process
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IgnoreSIGPIPE=no
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SendSIGHUP=yes
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Restart=always
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[Install]
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WantedBy=basic.target
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EOF
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ln -sf ../demo.service usr/lib/systemd/system/basic.target.wants/demo.service
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# gen initrd
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find . -print0 | cpio --null --owner=root:root -o --format=newc | xz -9 --check=crc32 > ../initrd.xz
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popd
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rm -rf $out/root
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@ -1,125 +0,0 @@
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{
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pkgs,
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patosPkgs,
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...
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}:
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pkgs.writeShellApplication {
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name = "mkinitrd";
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runtimeInputs = with pkgs; [
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cpio
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xz
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];
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text = ''
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echo "Building initram disk"
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mkdir -p root
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pushd root
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### copy rootfs
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cp -prP ${patosPkgs.rootfs}/* .
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find . -type d -exec chmod 755 {} \;
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### create directories
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ln -sf ../usr/lib/systemd/systemd init
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# set default target to basic
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mkdir usr/lib/systemd/system/basic.target.wants
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ln -sf basic.target usr/lib/systemd/system/default.target
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# enable dbus broker
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ln -sf ../dbus-broker.service usr/lib/systemd/system/basic.target.wants/dbus.service
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ln -sf ../dbus.socket usr/lib/systemd/system/sockets.target.wants/dbus.socket
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### Create needed files
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echo patos > ./etc/hostname
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cat <<EOF > ./etc/os-release
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NAME="PatOS"
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PRETTY_NAME="PatOS Platform"
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ID=patos
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EOF
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cat <<EOF > ./etc/passwd
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root::0:0:root:/root:/bin/sh
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bin:x:1:1:bin:/bin:/usr/bin/nologin
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daemon:x:2:2:daemon:/:/usr/bin/nologin
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mail:x:8:12:mail:/var/spool/mail:/usr/bin/nologin
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ftp:x:14:11:ftp:/srv/ftp:/usr/bin/nologin
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http:x:33:33:http:/srv/http:/usr/bin/nologin
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uuidd:x:68:68:uuidd:/:/usr/bin/nologin
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messagebus:x:81:81:messagebus:/:/usr/bin/nologin
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nobody:x:99:99:nobody:/:/usr/bin/nologin
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EOF
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chmod 644 ./etc/passwd
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cat <<EOF > ./etc/group
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root:x:0:root
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bin:x:1:root,bin,daemon
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daemon:x:2:root,bin,daemon
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sys:x:3:root,bin
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adm:x:4:root,daemon
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tty:x:5:
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disk:x:6:root
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lp:x:7:daemon
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mem:x:8:
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kmem:x:9:
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wheel:x:10:root
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ftp:x:11:
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mail:x:12:
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uucp:x:14:
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log:x:19:root
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utmp:x:20:
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locate:x:21:
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rfkill:x:24:
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smmsp:x:25:
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proc:x:26:
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http:x:33:
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games:x:50:
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lock:x:54:
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uuidd:x:68:
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messagebus:x:81:
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network:x:90:
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video:x:91:
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audio:x:92:
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optical:x:93:
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floppy:x:94:
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storage:x:95:
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scanner:x:96:
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input:x:97:
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power:x:98:
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nobody:x:99:
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EOF
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chmod 644 ./etc/group
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# FIXME: remove this later (just to get a shell in the initramfs)
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cat <<EOF > usr/lib/systemd/system/demo.service
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[Unit]
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Description=Debug Shell (/bin/sulogin)
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Conflicts=shutdown.target
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Before=shutdown.target
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[Service]
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Environment=HOME=/root
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WorkingDirectory=/root
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ExecStart=/bin/sulogin
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Type=idle
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StandardInput=tty-force
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StandardOutput=inherit
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StandardError=inherit
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KillMode=process
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IgnoreSIGPIPE=no
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SendSIGHUP=yes
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Restart=always
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[Install]
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WantedBy=basic.target
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EOF
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ln -sf ../demo.service usr/lib/systemd/system/basic.target.wants/demo.service
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# gen initrd
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find . -print0 | cpio --null --owner=root:root -o --format=newc | xz -9 --check=crc32 > ../initrd.xz
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popd
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rm -rf root
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'';
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}
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