132 lines
3.7 KiB
Bash
Executable file
132 lines
3.7 KiB
Bash
Executable file
#!/bin/bash
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# Create a bootable bootc qcow2 image with GRUB bootloader
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# This creates a properly bootable qcow2 from the bootc container
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set -e
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CONTAINER_IMAGE="git.raines.xyz/particle-os/debian-bootc:latest-with-fixes"
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QCOW2_FILE="debian-bootc-bootable.qcow2"
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SIZE="10G"
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echo "🏗️ Creating bootable bootc qcow2 with GRUB"
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echo "=========================================="
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echo "Container: $CONTAINER_IMAGE"
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echo "Output: $QCOW2_FILE"
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echo "Size: $SIZE"
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echo ""
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# Clean up
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rm -f "$QCOW2_FILE"
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echo "📦 Exporting container contents..."
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TEMP_DIR=$(mktemp -d)
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CONTAINER_ID=$(podman create "$CONTAINER_IMAGE")
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podman export "$CONTAINER_ID" | tar -xC "$TEMP_DIR"
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podman rm "$CONTAINER_ID"
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echo "💾 Creating qcow2 image..."
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# Create a 10GB qcow2 image
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qemu-img create -f qcow2 "$QCOW2_FILE" "$SIZE"
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echo "🔧 Setting up bootable filesystem..."
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# Use guestfish to create a bootable system
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if command -v guestfish >/dev/null 2>&1; then
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echo "📁 Using guestfish to create bootable system..."
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guestfish -a "$QCOW2_FILE" << EOF
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run
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part-disk /dev/sda mbr
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part-set-bootable /dev/sda 1 true
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mkfs ext4 /dev/sda1
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mount /dev/sda1 /
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copy-in $TEMP_DIR/* /
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mkdir /boot
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mkdir /dev
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mkdir /proc
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mkdir /sys
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mkdir /run
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mkdir /tmp
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mkdir /var
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mkdir /usr
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mkdir /bin
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mkdir /sbin
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mkdir /etc
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mkdir /root
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mkdir /home
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write /etc/fstab "/dev/sda1 / ext4 defaults 0 1\n"
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write /etc/hostname "debian-bootc\n"
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write /etc/hosts "127.0.0.1 localhost\n127.0.1.1 debian-bootc\n"
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write /etc/passwd "root:x:0:0:root:/root:/bin/bash\n"
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write /etc/group "root:x:0:\n"
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umount /
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EOF
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else
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echo "📁 Using manual approach..."
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# Manual approach - create raw image first, then convert
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RAW_FILE="temp-bootc.raw"
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dd if=/dev/zero of="$RAW_FILE" bs=1M count=10240 2>/dev/null
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# Set up loopback
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sudo losetup -f "$RAW_FILE"
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LOOP_DEV=$(sudo losetup -j "$RAW_FILE" | cut -d: -f1)
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# Create partition
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echo -e "n\np\n1\n\n\nt\n83\na\nw" | sudo fdisk "$LOOP_DEV" >/dev/null 2>&1
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sudo partprobe "$LOOP_DEV"
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# Format and mount
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sudo mkfs.ext4 -F "${LOOP_DEV}p1"
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MOUNT_DIR=$(mktemp -d)
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sudo mount "${LOOP_DEV}p1" "$MOUNT_DIR"
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# Copy files
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sudo cp -a "$TEMP_DIR"/* "$MOUNT_DIR"/
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sudo mkdir -p "$MOUNT_DIR"/{boot,dev,proc,sys,run,tmp,var,usr,bin,sbin,etc,root,home}
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# Create basic config files
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echo "/dev/sda1 / ext4 defaults 0 1" | sudo tee "$MOUNT_DIR/etc/fstab"
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echo "debian-bootc" | sudo tee "$MOUNT_DIR/etc/hostname"
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echo -e "127.0.0.1 localhost\n127.0.1.1 debian-bootc" | sudo tee "$MOUNT_DIR/etc/hosts"
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echo -e "root:x:0:0:root:/root:/bin/bash\n" | sudo tee "$MOUNT_DIR/etc/passwd"
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echo -e "root:x:0:\n" | sudo tee "$MOUNT_DIR/etc/group"
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# Install GRUB bootloader
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echo "🚀 Installing GRUB bootloader..."
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sudo grub-install --target=i386-pc --boot-directory="$MOUNT_DIR/boot" --force "$LOOP_DEV"
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# Create GRUB configuration
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sudo mkdir -p "$MOUNT_DIR/boot/grub"
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sudo tee "$MOUNT_DIR/boot/grub/grub.cfg" > /dev/null << 'EOF'
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set timeout=5
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set default=0
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menuentry "Debian Bootc System" {
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linux /boot/vmlinuz root=/dev/sda1 ro quiet
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initrd /boot/initrd.img
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}
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EOF
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# Unmount and cleanup
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sudo umount "$MOUNT_DIR"
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sudo losetup -d "$LOOP_DEV"
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rmdir "$MOUNT_DIR"
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# Convert to qcow2
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echo "🔄 Converting to qcow2..."
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qemu-img convert -f raw -O qcow2 "$RAW_FILE" "$QCOW2_FILE"
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rm -f "$RAW_FILE"
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fi
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echo "🧹 Cleaning up..."
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rm -rf "$TEMP_DIR"
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echo "✅ Created bootable qcow2: $QCOW2_FILE"
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echo "📊 Image info:"
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qemu-img info "$QCOW2_FILE"
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echo ""
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echo "🚀 To boot this image:"
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echo " qemu-system-x86_64 -m 2G -drive file=$QCOW2_FILE,format=qcow2 -netdev user,id=net0 -device e1000,netdev=net0 -nographic"
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