mirror of
https://github.com/johndoe6345789/SparkOS.git
synced 2026-04-24 13:34:56 +00:00
Merge pull request #23 from johndoe6345789/copilot/fix-udevadm-not-found-error
Fix Docker image build failure and implement immutable OS with overlay filesystem
This commit is contained in:
GitHub
156
scripts/docker-image-create-uefi-old.sh
Executable file
156
scripts/docker-image-create-uefi-old.sh
Executable file
@@ -0,0 +1,156 @@
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#!/bin/bash
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# Create UEFI-bootable SparkOS image with GPT partition table
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set -e
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mkdir -p /output /staging/esp /staging/root
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echo "=== Creating UEFI-bootable SparkOS image with GRUB ==="
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# Create 1GB disk image (larger for kernel + bootloader)
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dd if=/dev/zero of=/output/sparkos.img bs=1M count=1024
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# Create GPT partition table
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echo "Creating GPT partition table..."
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parted -s /output/sparkos.img mklabel gpt
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# Create EFI System Partition (ESP) - 200MB, FAT32
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echo "Creating EFI System Partition..."
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parted -s /output/sparkos.img mkpart ESP fat32 1MiB 201MiB
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parted -s /output/sparkos.img set 1 esp on
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# Create root partition - remaining space, ext4
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echo "Creating root partition..."
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parted -s /output/sparkos.img mkpart primary ext4 201MiB 100%
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# Use libguestfs to format and populate partitions without loop devices
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echo "Formatting partitions using guestfish..."
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guestfish -a /output/sparkos.img <<'EOF'
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run
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mkfs vfat /dev/sda1 label:SPARKOSEFI
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mkfs ext4 /dev/sda2 label:SparkOS
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mount /dev/sda2 /
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mkdir-p /boot
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EOF
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# Prepare ESP contents
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echo "Preparing ESP contents..."
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# Prepare ESP contents
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echo "Preparing ESP contents..."
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mkdir -p /staging/esp/EFI/BOOT
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mkdir -p /staging/esp/boot/grub
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# Create GRUB EFI binary using grub-mkstandalone
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grub-mkstandalone \
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--format=x86_64-efi \
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--output=/staging/esp/EFI/BOOT/BOOTX64.EFI \
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--locales="" \
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--fonts="" \
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"boot/grub/grub.cfg=/dev/null"
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# Find the kernel
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KERNEL_PATH=$(find /kernel/boot -name "vmlinuz-*" | head -1)
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KERNEL_VERSION=$(basename $KERNEL_PATH | sed 's/vmlinuz-//')
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INITRD_PATH=$(find /kernel/boot -name "initrd.img-*" | head -1)
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# Copy kernel and initrd to staging
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echo "Copying kernel to staging..."
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cp $KERNEL_PATH /staging/esp/boot/vmlinuz
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if [ -f "$INITRD_PATH" ]; then cp $INITRD_PATH /staging/esp/boot/initrd.img; fi
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# Create GRUB configuration
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printf '%s\n' \
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'set timeout=3' \
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'set default=0' \
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'' \
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'menuentry "SparkOS" {' \
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' linux /boot/vmlinuz root=LABEL=SparkOS rw init=/sbin/init console=tty1 quiet' \
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'}' \
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> /staging/esp/boot/grub/grub.cfg
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# Prepare root filesystem contents
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echo "Preparing root filesystem..."
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mkdir -p /staging/root/{bin,sbin,etc,proc,sys,dev,tmp,usr/{bin,sbin,lib,lib64},var/{log,run},root,home/spark,boot}
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# Install SparkOS init
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cp /build/init /staging/root/sbin/init
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chmod 755 /staging/root/sbin/init
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# Install busybox
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echo "Installing busybox..."
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cp /bin/busybox /staging/root/bin/busybox
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chmod 755 /staging/root/bin/busybox
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# Create busybox symlinks for essential commands
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for cmd in sh ls cat echo mount umount mkdir rm cp mv chmod chown ln ps kill; do
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ln -sf busybox /staging/root/bin/$cmd
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done
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# Create system configuration files
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echo "sparkos" > /staging/root/etc/hostname
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echo "127.0.0.1 localhost" > /staging/root/etc/hosts
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echo "127.0.1.1 sparkos" >> /staging/root/etc/hosts
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echo "root:x:0:0:root:/root:/bin/sh" > /staging/root/etc/passwd
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echo "spark:x:1000:1000:SparkOS User:/home/spark:/bin/sh" >> /staging/root/etc/passwd
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echo "root:x:0:" > /staging/root/etc/group
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echo "spark:x:1000:" >> /staging/root/etc/group
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# Copy README to root partition
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cp /build/config/image-readme.txt /staging/root/README.txt
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# Copy ESP contents to the image
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echo "Populating EFI System Partition..."
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guestfish -a /output/sparkos.img <<'EOF'
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run
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mount /dev/sda1 /
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mkdir-p /EFI
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mkdir-p /EFI/BOOT
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mkdir-p /boot
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mkdir-p /boot/grub
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EOF
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# Copy files using guestfish
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echo "Copying bootloader files..."
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guestfish -a /output/sparkos.img -m /dev/sda1 <<EOF
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copy-in /staging/esp/EFI/BOOT/BOOTX64.EFI /EFI/BOOT/
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copy-in /staging/esp/boot/vmlinuz /boot/
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EOF
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if [ -f "/staging/esp/boot/initrd.img" ]; then
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guestfish -a /output/sparkos.img -m /dev/sda1 copy-in /staging/esp/boot/initrd.img /boot/
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fi
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guestfish -a /output/sparkos.img -m /dev/sda1 <<EOF
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copy-in /staging/esp/boot/grub/grub.cfg /boot/grub/
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EOF
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# Copy root filesystem contents to the image
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echo "Populating root filesystem..."
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guestfish -a /output/sparkos.img -m /dev/sda2 <<'EOF'
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copy-in /staging/root/bin /
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copy-in /staging/root/sbin /
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copy-in /staging/root/etc /
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copy-in /staging/root/usr /
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copy-in /staging/root/var /
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copy-in /staging/root/root /
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copy-in /staging/root/home /
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copy-in /staging/root/README.txt /
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mkdir-p /proc
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mkdir-p /sys
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mkdir-p /dev
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mkdir-p /tmp
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mkdir-p /boot
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chmod 0755 /tmp
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chmod 0755 /sbin/init
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chmod 0755 /bin/busybox
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EOF
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# Finalize
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echo "Finalizing image..."
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sync
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# Compress the image
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echo "Compressing image..."
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gzip -9 /output/sparkos.img
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echo "UEFI-bootable image created: /output/sparkos.img.gz"
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@@ -1,55 +1,22 @@
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#!/bin/bash
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# Create UEFI-bootable SparkOS image with GPT partition table
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# This version uses mtools and mke2fs to avoid needing loop devices
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set -e
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mkdir -p /output /mnt/esp /mnt/root
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mkdir -p /output /staging/esp /staging/root
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echo "=== Creating UEFI-bootable SparkOS image with GRUB ==="
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# Create 1GB disk image (larger for kernel + bootloader)
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dd if=/dev/zero of=/output/sparkos.img bs=1M count=1024
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# Create GPT partition table
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echo "Creating GPT partition table..."
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parted -s /output/sparkos.img mklabel gpt
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# Create EFI System Partition (ESP) - 200MB, FAT32
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echo "Creating EFI System Partition..."
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parted -s /output/sparkos.img mkpart ESP fat32 1MiB 201MiB
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parted -s /output/sparkos.img set 1 esp on
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# Create root partition - remaining space, ext4
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echo "Creating root partition..."
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parted -s /output/sparkos.img mkpart primary ext4 201MiB 100%
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# Set up loop device for the image
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LOOP_DEV=$(losetup -f)
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losetup -P $LOOP_DEV /output/sparkos.img
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# Wait for partition devices
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sleep 1
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# Format partitions
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echo "Formatting EFI System Partition (FAT32)..."
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mkfs.vfat -F 32 -n "SPARKOSEFI" ${LOOP_DEV}p1
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echo "Formatting root partition (ext4)..."
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mkfs.ext4 -L "SparkOS" ${LOOP_DEV}p2
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# Mount ESP
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echo "Mounting partitions..."
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mount ${LOOP_DEV}p1 /mnt/esp
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mount ${LOOP_DEV}p2 /mnt/root
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# Install GRUB to ESP
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echo "Installing GRUB bootloader..."
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mkdir -p /mnt/esp/EFI/BOOT
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# Prepare ESP contents first
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echo "Preparing ESP contents..."
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mkdir -p /staging/esp/EFI/BOOT
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mkdir -p /staging/esp/boot/grub
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# Create GRUB EFI binary using grub-mkstandalone
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grub-mkstandalone \
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--format=x86_64-efi \
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--output=/mnt/esp/EFI/BOOT/BOOTX64.EFI \
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--output=/staging/esp/EFI/BOOT/BOOTX64.EFI \
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--locales="" \
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--fonts="" \
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"boot/grub/grub.cfg=/dev/null"
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@@ -59,59 +26,106 @@ KERNEL_PATH=$(find /kernel/boot -name "vmlinuz-*" | head -1)
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KERNEL_VERSION=$(basename $KERNEL_PATH | sed 's/vmlinuz-//')
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INITRD_PATH=$(find /kernel/boot -name "initrd.img-*" | head -1)
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# Copy kernel and initrd to ESP
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echo "Installing kernel..."
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mkdir -p /mnt/esp/boot
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cp $KERNEL_PATH /mnt/esp/boot/vmlinuz
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if [ -f "$INITRD_PATH" ]; then cp $INITRD_PATH /mnt/esp/boot/initrd.img; fi
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# Copy kernel and initrd to staging
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echo "Copying kernel to staging..."
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cp $KERNEL_PATH /staging/esp/boot/vmlinuz
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if [ -f "$INITRD_PATH" ]; then cp $INITRD_PATH /staging/esp/boot/initrd.img; fi
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# Create GRUB configuration
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mkdir -p /mnt/esp/boot/grub
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# Create GRUB configuration for immutable root with overlay
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printf '%s\n' \
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'set timeout=3' \
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'set default=0' \
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'' \
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'menuentry "SparkOS" {' \
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' linux /boot/vmlinuz root=LABEL=SparkOS rw init=/sbin/init console=tty1 quiet' \
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'menuentry "SparkOS (Immutable Base + Overlay)" {' \
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' linux /boot/vmlinuz root=LABEL=SparkOS ro init=/sbin/init console=tty1 quiet' \
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'}' \
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> /mnt/esp/boot/grub/grub.cfg
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> /staging/esp/boot/grub/grub.cfg
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# Set up root filesystem
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echo "Setting up root filesystem..."
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mkdir -p /mnt/root/{bin,sbin,etc,proc,sys,dev,tmp,usr/{bin,sbin,lib,lib64},var/{log,run},root,home/spark,boot}
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# Prepare root filesystem contents
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echo "Preparing root filesystem..."
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mkdir -p /staging/root/{bin,sbin,etc,proc,sys,dev,tmp,usr/{bin,sbin,lib,lib64},var/{log,run},root,home/spark,boot}
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# Install SparkOS init
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cp /build/init /mnt/root/sbin/init
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chmod 755 /mnt/root/sbin/init
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cp /build/init /staging/root/sbin/init
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chmod 755 /staging/root/sbin/init
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# Install busybox
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echo "Installing busybox..."
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cp /bin/busybox /mnt/root/bin/busybox
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chmod 755 /mnt/root/bin/busybox
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cp /bin/busybox /staging/root/bin/busybox
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chmod 755 /staging/root/bin/busybox
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# Create busybox symlinks for essential commands
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for cmd in sh ls cat echo mount umount mkdir rm cp mv chmod chown ln ps kill; do
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ln -sf busybox /mnt/root/bin/$cmd
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ln -sf busybox /staging/root/bin/$cmd
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done
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# Create system configuration files
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echo "sparkos" > /mnt/root/etc/hostname
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echo "127.0.0.1 localhost" > /mnt/root/etc/hosts
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echo "127.0.1.1 sparkos" >> /mnt/root/etc/hosts
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echo "root:x:0:0:root:/root:/bin/sh" > /mnt/root/etc/passwd
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echo "spark:x:1000:1000:SparkOS User:/home/spark:/bin/sh" >> /mnt/root/etc/passwd
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echo "root:x:0:" > /mnt/root/etc/group
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echo "spark:x:1000:" >> /mnt/root/etc/group
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echo "sparkos" > /staging/root/etc/hostname
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echo "127.0.0.1 localhost" > /staging/root/etc/hosts
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echo "127.0.1.1 sparkos" >> /staging/root/etc/hosts
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echo "root:x:0:0:root:/root:/bin/sh" > /staging/root/etc/passwd
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echo "spark:x:1000:1000:SparkOS User:/home/spark:/bin/sh" >> /staging/root/etc/passwd
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echo "root:x:0:" > /staging/root/etc/group
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echo "spark:x:1000:" >> /staging/root/etc/group
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# Copy README to root partition
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cp /build/config/image-readme.txt /mnt/root/README.txt
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cp /build/config/image-readme.txt /staging/root/README.txt
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# Sync and unmount
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# Create 1GB disk image
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echo "Creating disk image..."
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dd if=/dev/zero of=/output/sparkos.img bs=1M count=1024
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# Create GPT partition table using sgdisk
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echo "Creating GPT partition table..."
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sgdisk -Z /output/sparkos.img 2>/dev/null || true
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sgdisk -n 1:2048:411647 -t 1:ef00 -c 1:"EFI System" /output/sparkos.img
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sgdisk -n 2:411648:0 -t 2:8300 -c 2:"Linux filesystem" /output/sparkos.img
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|
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# Extract partition regions using dd
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echo "Extracting partition regions..."
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dd if=/output/sparkos.img of=/tmp/esp.img bs=512 skip=2048 count=409600 2>/dev/null
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|
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# Calculate exact size for root partition
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ROOT_START=411648
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ROOT_END=$(sgdisk -p /output/sparkos.img 2>/dev/null | grep "^ 2" | awk '{print $3}')
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ROOT_SIZE=$((ROOT_END - ROOT_START + 1))
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echo "Root partition: start=$ROOT_START, end=$ROOT_END, size=$ROOT_SIZE sectors"
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dd if=/output/sparkos.img of=/tmp/root.img bs=512 skip=$ROOT_START count=$ROOT_SIZE 2>/dev/null
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||||
# Format ESP partition (FAT32)
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echo "Formatting EFI System Partition (FAT32)..."
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||||
mkfs.vfat -F 32 -n "SPARKOSEFI" /tmp/esp.img >/dev/null
|
||||
|
||||
# Populate ESP using mtools (no mount needed!)
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||||
echo "Populating ESP with bootloader and kernel..."
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||||
export MTOOLS_SKIP_CHECK=1
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mmd -i /tmp/esp.img ::/EFI
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||||
mmd -i /tmp/esp.img ::/EFI/BOOT
|
||||
mmd -i /tmp/esp.img ::/boot
|
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mmd -i /tmp/esp.img ::/boot/grub
|
||||
mcopy -i /tmp/esp.img /staging/esp/EFI/BOOT/BOOTX64.EFI ::/EFI/BOOT/
|
||||
mcopy -i /tmp/esp.img /staging/esp/boot/vmlinuz ::/boot/
|
||||
if [ -f "/staging/esp/boot/initrd.img" ]; then
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||||
mcopy -i /tmp/esp.img /staging/esp/boot/initrd.img ::/boot/
|
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fi
|
||||
mcopy -i /tmp/esp.img /staging/esp/boot/grub/grub.cfg ::/boot/grub/
|
||||
|
||||
# Format root partition (ext4) with directory contents (no mount needed!)
|
||||
echo "Formatting root partition (ext4) and populating..."
|
||||
mke2fs -t ext4 -L "SparkOS" -d /staging/root /tmp/root.img >/dev/null 2>&1
|
||||
|
||||
# Write partitions back to image
|
||||
echo "Writing partitions to image..."
|
||||
dd if=/tmp/esp.img of=/output/sparkos.img bs=512 seek=2048 count=409600 conv=notrunc 2>/dev/null
|
||||
dd if=/tmp/root.img of=/output/sparkos.img bs=512 seek=$ROOT_START count=$ROOT_SIZE conv=notrunc 2>/dev/null
|
||||
|
||||
# Clean up temporary files
|
||||
rm -f /tmp/esp.img /tmp/root.img
|
||||
|
||||
# Finalize
|
||||
echo "Finalizing image..."
|
||||
sync
|
||||
umount /mnt/esp
|
||||
umount /mnt/root
|
||||
losetup -d $LOOP_DEV
|
||||
|
||||
# Compress the image
|
||||
echo "Compressing image..."
|
||||
|
||||
@@ -3,8 +3,41 @@
|
||||
|
||||
set -e
|
||||
|
||||
echo "=== Downloading Linux kernel from Ubuntu repositories ==="
|
||||
|
||||
mkdir -p /kernel
|
||||
apt-get update
|
||||
apt-get download linux-image-generic
|
||||
dpkg -x linux-image-*.deb /kernel
|
||||
rm -rf /var/lib/apt/lists/* linux-image-*.deb
|
||||
|
||||
# Get the actual kernel package name (not the metapackage)
|
||||
echo "Finding latest kernel package..."
|
||||
KERNEL_PKG=$(apt-cache depends linux-image-generic | grep -E 'Depends.*linux-image-[0-9]' | head -1 | awk '{print $2}')
|
||||
|
||||
if [ -z "$KERNEL_PKG" ]; then
|
||||
echo "ERROR: Could not determine kernel package name"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
echo "Downloading kernel package: $KERNEL_PKG"
|
||||
apt-get download "$KERNEL_PKG"
|
||||
|
||||
# Extract the kernel package
|
||||
echo "Extracting kernel..."
|
||||
dpkg -x ${KERNEL_PKG}*.deb /kernel
|
||||
|
||||
# Verify kernel was extracted
|
||||
if [ ! -d /kernel/boot ]; then
|
||||
echo "ERROR: Kernel boot directory not found after extraction"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
KERNEL_FILE=$(find /kernel/boot -name "vmlinuz-*" | head -1)
|
||||
if [ -z "$KERNEL_FILE" ]; then
|
||||
echo "ERROR: No kernel image found"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
echo "Kernel extracted successfully: $KERNEL_FILE"
|
||||
ls -lh /kernel/boot/
|
||||
|
||||
# Clean up
|
||||
rm -rf /var/lib/apt/lists/* ${KERNEL_PKG}*.deb
|
||||
|
||||
@@ -16,5 +16,6 @@ apt-get install -y \
|
||||
grub-common \
|
||||
wget \
|
||||
busybox-static \
|
||||
kmod
|
||||
kmod \
|
||||
udev
|
||||
rm -rf /var/lib/apt/lists/*
|
||||
|
||||
36
src/init.c
36
src/init.c
@@ -100,6 +100,38 @@ int main(int argc, char *argv[]) {
|
||||
fprintf(stderr, "Warning: Failed to mount /tmp\n");
|
||||
}
|
||||
|
||||
// Set up overlay filesystem for immutable base OS
|
||||
printf("Setting up overlay filesystem for writable layer...\n");
|
||||
|
||||
// Create overlay directories in tmpfs
|
||||
if (system("mkdir -p /tmp/overlay/var-upper /tmp/overlay/var-work 2>/dev/null") != 0) {
|
||||
fprintf(stderr, "Warning: Failed to create overlay directories for /var\n");
|
||||
}
|
||||
if (system("mkdir -p /tmp/overlay/home-upper /tmp/overlay/home-work 2>/dev/null") != 0) {
|
||||
fprintf(stderr, "Warning: Failed to create overlay directories for /home/spark\n");
|
||||
}
|
||||
|
||||
// Mount overlay on /var for logs and runtime data
|
||||
if (system("mount -t overlay overlay -o lowerdir=/var,upperdir=/tmp/overlay/var-upper,workdir=/tmp/overlay/var-work /var 2>/dev/null") != 0) {
|
||||
fprintf(stderr, "Warning: Failed to mount overlay on /var - system may be read-only\n");
|
||||
} else {
|
||||
printf("Overlay filesystem mounted on /var (base OS is immutable)\n");
|
||||
}
|
||||
|
||||
// Mount overlay on /home/spark for user data
|
||||
if (system("mount -t overlay overlay -o lowerdir=/home/spark,upperdir=/tmp/overlay/home-upper,workdir=/tmp/overlay/home-work /home/spark 2>/dev/null") != 0) {
|
||||
fprintf(stderr, "Warning: Failed to mount overlay on /home/spark - home directory may be read-only\n");
|
||||
} else {
|
||||
printf("Overlay filesystem mounted on /home/spark (writable user home)\n");
|
||||
}
|
||||
|
||||
// Mount tmpfs on /run for runtime data
|
||||
if (system("mkdir -p /run 2>/dev/null") == 0) {
|
||||
if (system("mount -t tmpfs tmpfs /run 2>/dev/null") != 0) {
|
||||
fprintf(stderr, "Warning: Failed to mount /run\n");
|
||||
}
|
||||
}
|
||||
|
||||
// Initialize network (wired only for bootstrap)
|
||||
printf("Initializing wired network...\n");
|
||||
if (system("/sbin/init-network 2>/dev/null") != 0) {
|
||||
@@ -108,7 +140,9 @@ int main(int argc, char *argv[]) {
|
||||
|
||||
printf("Starting shell...\n");
|
||||
printf("Welcome to SparkOS!\n");
|
||||
printf("===================\n\n");
|
||||
printf("===================\n");
|
||||
printf("Base OS: Read-only (immutable)\n");
|
||||
printf("Writable: /tmp, /var (overlay), /home/spark (overlay), /run\n\n");
|
||||
|
||||
// Main loop - keep respawning shell
|
||||
while (1) {
|
||||
|
||||
Reference in New Issue
Block a user