135 lines
3.7 KiB
Bash
135 lines
3.7 KiB
Bash
set -ex -o pipefail
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mkdir -p $out/init.repart.d $out/final.repart.d $out/boot
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pushd $out
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# Don't seem to work just to create a symlink to rootfs derivation?
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# ln -sf $rootfs rootfs
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mkdir rootfs
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cp -prP $rootfs/* rootfs/
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find rootfs/ -type d -exec chmod 755 {} \;
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# set default target to multi-user
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ln -sf multi-user.target rootfs/usr/lib/systemd/system/default.target
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# enable dbus
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ln -sf ../dbus.service rootfs/usr/lib/systemd/system/multi-user.target.wants/dbus.service
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ln -sf ../dbus.socket rootfs/usr/lib/systemd/system/sockets.target.wants/dbus.socket
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# enable network services
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ln -sf ../systemd-networkd.service rootfs/usr/lib/systemd/system/sysinit.target.wants/systemd-networkd.service
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ln -sf ../systemd-resolved.service rootfs/usr/lib/systemd/system/sysinit.target.wants/systemd-resolved.service
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ln -sf ../systemd-timesyncd.service rootfs/usr/lib/systemd/system/multi-user.target.wants/systemd-timesyncd.service
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# enable default network config
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mv rootfs/usr/lib/systemd/network/89-ethernet.network.example rootfs/usr/lib/systemd/network/89-ethernet.network
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# enable confext/sysext services
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ln -sf ../systemd-confext.service rootfs/usr/lib/systemd/system/sysinit.target.wants/systemd-confext.service
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ln -sf ../systemd-sysext.service rootfs/usr/lib/systemd/system/sysinit.target.wants/systemd-sysext.service
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# install sys users
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mkdir creds
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echo -n $defaultPassword > creds/passwd.plaintext-password.root
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CREDENTIALS_DIRECTORY=$PWD/creds SYSTEMD_CRYPT_PREFIX='$6$' $systemd/usr/bin/systemd-sysusers --root=rootfs rootfs/usr/lib/sysusers.d/*.conf
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chmod 600 rootfs/etc/shadow
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rm -rf creds
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# Initial partitioning
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cat <<EOF > init.repart.d/10-root.conf
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[Partition]
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Type=root
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Format=erofs
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Minimize=best
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CopyFiles=/rootfs:/
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Verity=data
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VerityMatchKey=root
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SplitName=root
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EOF
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cat <<EOF > init.repart.d/20-root-verity.conf
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[Partition]
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Type=root-verity
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Verity=hash
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VerityMatchKey=root
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Minimize=best
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SplitName=verity
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EOF
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#TODO: Add verity signature partition
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$systemd/usr/bin/systemd-repart \
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--no-pager \
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--empty=create \
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--size=auto \
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--definitions=./init.repart.d \
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--split=true \
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--json=pretty \
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--root=$out \
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patos-$version.raw > init-repart-output.json
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rm -f patos-$version.raw
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roothash=$(jq -r '.[0].roothash' init-repart-output.json)
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rootPart=$(jq -r '.[0].split_path' init-repart-output.json)
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rootUuid=$(jq -r '.[0].uuid' init-repart-output.json)
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verityPart=$(jq -r '.[1].split_path' init-repart-output.json)
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verityUuid=$(jq -r '.[1].uuid' init-repart-output.json)
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$systemd/usr/bin/ukify build \
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--linux $kernel/bzImage \
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--initrd $initrd/initrd.xz \
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--os-release @rootfs/etc/os-release \
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--cmdline "$kernelCmdLine roothash=$roothash" \
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-o patos_${version}.efi
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rm -rf rootfs
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cp patos_${version}.efi boot/
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cp ${systemd}/usr/lib/systemd/boot/efi/systemd-bootx64.efi boot/
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echo "timeout 1" > boot/loader.conf
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# Final partitioning
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cat <<EOF > final.repart.d/10-esp.conf
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[Partition]
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Type=esp
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Format=vfat
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SizeMinBytes=96M
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SizeMaxBytes=96M
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CopyFiles=/boot/systemd-bootx64.efi:/EFI/BOOT/BOOTX64.EFI
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CopyFiles=/boot/patos_${version}.efi:/EFI/Linux/patos_${version}.efi
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CopyFiles=/boot/loader.conf:/loader/loader.conf
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EOF
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cat <<EOF > final.repart.d/20-root.conf
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[Partition]
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Type=root
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Label=root-${version}
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CopyBlocks=/${rootPart}
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UUID=${rootUuid}
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SizeMinBytes=256M
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SizeMaxBytes=256M
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ReadOnly=1
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EOF
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cat <<EOF > final.repart.d/22-root-verity.conf
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[Partition]
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Type=root-verity
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Label=verity-${version}
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CopyBlocks=/${verityPart}
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UUID=${verityUuid}
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SizeMinBytes=10M
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SizeMaxBytes=10M
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ReadOnly=1
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EOF
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# finalize image ready for boot
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$systemd/usr/bin/systemd-repart \
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--no-pager \
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--empty=create \
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--size=auto \
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--definitions=./final.repart.d \
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--root=$out \
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patos-$version.raw > final-repart-output.json
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rm -rf boot
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popd
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