additional bash programming to support a json configuration file.

still working on kernel options for proper networking.

scripts/build_image.sh

@@ -0,0 +1,86 @@
+#!/bin/bash
+if [ "$(id -u)" -ne 0 ]; then
+	echo "switching from $(id -un) to root"
+	exec sudo "$0" "$@"
+fi
+set -e
+cd "$(dirname "$0")"
+cd ..
+echo "$PWD"
+sync
+if mountpoint -q "./outputs/efi"; then
+  umount "./outputs/efi"
+fi
+if mountpoint -q "./outputs/sys"; then
+  umount "./outputs/sys"
+fi
+echo 'creating image..'
+disk="./outputs/boot_image.img"
+efi_part="1"
+root_part="2"
+dd if=/dev/zero of="$disk" count=12000 bs=1M
+parted -s "$disk" mklabel gpt
+parted -s --align=optimal "$disk" mkpart ESP fat32 1MiB 50Mib
+parted -s "$disk" set "$efi_part" esp on
+parted -s --align=optimal "$disk" mkpart ext4 100MiB 100%
+parted -s "$disk" set "$root_part" boot on
+parted -s "$disk" print
+kpartx -d "$disk"
+kpartx -avs "$disk"
+echo 'mounting image as loopback device..'
+loop="$(kpartx -l $disk | grep -ow 'loop[0-9]*' | head -n 1)"
+disk_efi="${loop}p1"
+disk_sys="${loop}p2"
+echo 'formatting image partitions..'
+mkfs.fat -F32 -n EFI /dev/mapper/${disk_efi}
+mkfs.ext4 -L ROOT /dev/mapper/${disk_sys}
+echo 'creating mount points..'
+rm -rf ./outputs/{efi,sys,grub}
+mkdir -p ./outputs/
+mkdir -p ./outputs/{efi,sys,grub}
+echo 'mounting loopback devices..'
+mount -t vfat /dev/mapper/${disk_efi} ./outputs/efi
+mount -t ext4 /dev/mapper/${disk_sys} ./outputs/sys
+echo 'installing grub..'
+echo "loop dev: ${loop}"
+echo "efi loop: ${disk_efi}"
+echo "sys loop: ${disk_sys}"
+grub-install -s --compress=gz --target=x86_64-efi --recheck --no-floppy --efi-directory=./outputs/efi --boot-directory=./outputs/efi --root-directory=./outputs/sys --bootloader-id=patronage /dev/$loop
+echo 'copying filesystem to mounted image..'
+if mountpoint -q "./outputs/chroot/proc/"; then
+  umount -lf "./outputs/chroot/proc/"
+fi
+cp ./config/interfaces.network ./outputs/chroot/etc/systemd/network/10-all.network
+cp ./config/resolved.conf ./outputs/chroot/etc/systemd/resolved.conf
+rsync -a './outputs/chroot/' './outputs/sys/'
+
+
+#tar -xf ./patronagefs.tar --directory ./mnt/sys/
+echo 'copied..'
+echo 'copying boot files..'
+mkdir -p ./outputs/efi/boot/
+cp ./outputs/initramfs.cpio.gz ./outputs/efi/
+mkdir -p ./outputs/efi/EFI/patronage/
+cp ./outputs/bzImage ./outputs/efi/EFI/patronage/bzImage
+cp ./outputs/initramfs.cpio.gz ./outputs/efi/EFI/patronage/
+
+cp ./config/grub.cfg ./outputs/efi/EFI/patronage/
+#cp $dir/grub.cfg $dir/mnt/sys/boot/grub/
+cp ./config/grub.cfg ./outputs/efi/EFI/BOOT/
+echo 'unmounting..'
+
+if mountpoint -q "./outputs/efi"; then
+  sync
+  #fuser -kmv "$dir/mnt/efi"
+  umount -lf "./outputs/efi"
+fi
+
+if mountpoint -q "./outputs/sys"; then
+  sync
+  #fuser -kmv "$dir/mnt/sys"
+  umount -lf "./outputs/sys"
+fi
+
+kpartx -d "$disk"
+chmod 777 "$disk"
+echo 'image built..'