orangepi-config: add overlayroot support
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baiywt
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c5b3b1df70
commit
5cc413cd26
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@ -1554,25 +1554,200 @@ function jobs ()
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# Toggle virtual read-only root filesystem
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#
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"Overlayroot" )
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if ! is_package_manager_running; then
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if [[ -n $(mount | grep -w overlay | grep -v chromium) ]]; then
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dialog --title " Root overlay " --backtitle "$BACKTITLE" --yes-label "Disable" \
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--no-label "Cancel" \
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--yesno "\nYour system is already virtual read-only.\n\nDo you want to disable this feature and reboot?" 9 60
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[[ $? = 0 ]] && overlayroot-chroot sed -i "s/^overlayroot=.*/overlayroot=\"\"/" /etc/overlayroot.conf && \
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overlayroot-chroot rm /etc/update-motd.d/97-overlayroot && reboot
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#if ! is_package_manager_running; then
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# if [[ -n $(mount | grep -w overlay | grep -v chromium) ]]; then
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# dialog --title " Root overlay " --backtitle "$BACKTITLE" --yes-label "Disable" \
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# --no-label "Cancel" \
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# --yesno "\nYour system is already virtual read-only.\n\nDo you want to disable this feature and reboot?" 9 60
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# [[ $? = 0 ]] && overlayroot-chroot sed -i "s/^overlayroot=.*/overlayroot=\"\"/" /etc/overlayroot.conf && \
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# overlayroot-chroot rm /etc/update-motd.d/97-overlayroot && reboot
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# else
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# debconf-apt-progress -- apt-get -o Dpkg::Options::="--force-confnew" -y --no-install-recommends install overlayroot
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# echo '#!/bin/bash' > /etc/update-motd.d/97-overlayroot
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# echo 'if [ -n "$(mount | grep -w tmpfs-root)" ]; then \
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# echo -e "[\e[0m \e[1mremember: your system is in virtual read only mode\e[0m ]\n";fi' >> /etc/update-motd.d/97-overlayroot
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# chmod +x /etc/update-motd.d/97-overlayroot
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# dialog --title "Root overlay" --backtitle "$BACKTITLE" --yes-label "Reboot" \
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# --no-label "Cancel" --yesno "\nEnable virtual read-only root and reboot." 7 45
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# [[ ! -f /etc/overlayroot.conf ]] && cp /etc/overlayroot.conf.dpkg-new /etc/overlayroot.conf
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# [[ $? = 0 ]] && sed -i "s/^overlayroot=.*/overlayroot=\"tmpfs\"/" /etc/overlayroot.conf && reboot
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# fi
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#fi
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CONFIG_FILE="/etc/overlayroot.conf"
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if findmnt -n -o SOURCE / | grep -q "overlayroot"; then
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CONFIG_FILE="/media/root-ro/etc/overlayroot.conf"
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OVERLAY_ACTIVE=1
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else
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debconf-apt-progress -- apt-get -o Dpkg::Options::="--force-confnew" -y --no-install-recommends install overlayroot
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echo '#!/bin/bash' > /etc/update-motd.d/97-overlayroot
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echo 'if [ -n "$(mount | grep -w tmpfs-root)" ]; then \
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echo -e "[\e[0m \e[1mremember: your system is in virtual read only mode\e[0m ]\n";fi' >> /etc/update-motd.d/97-overlayroot
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chmod +x /etc/update-motd.d/97-overlayroot
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if ! is_package_manager_running; then
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if ! dpkg -l | grep -q "overlayroot"; then
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debconf-apt-progress -- apt-get update
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if [[ "$DISTROID" == "bookworm" ]]; then
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cat <<-'EOF' > /usr/share/initramfs-tools/hooks/custom
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cp /bin/grep "${DESTDIR}"/bin
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cp /bin/mount "${DESTDIR}"/bin
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cp /lib/aarch64-linux-gnu/libmount.so.1 "${DESTDIR}"/lib
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EOF
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chmod +x /usr/share/initramfs-tools/hooks/custom
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export PATH=$PATH:/usr/sbin
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update-initramfs -u > /dev/null 2>&1
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fi
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apt -y install overlayroot > /dev/null 2>&1
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[[ ! $? == 0 ]] && apt remove --purge -y overlayroot >/dev/null 2>&1 && return
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fi
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else
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return
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fi
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OVERLAY_ACTIVE=0
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fi
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CURRENT_MODE="none"
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CURRENT_DEVICE="N/A"
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if grep -q '^overlayroot="tmpfs"' "$CONFIG_FILE" 2>/dev/null; then
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CURRENT_MODE="tmpfs"
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elif grep -q '^overlayroot="device:dev=' "$CONFIG_FILE" 2>/dev/null; then
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CURRENT_MODE="block"
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CURRENT_DEVICE=$(grep -oP '(?<=overlayroot="device:dev=).*?(?=")' "$CONFIG_FILE")
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elif grep -q '^overlayroot=""' "$CONFIG_FILE" 2>/dev/null; then
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CURRENT_MODE="none"
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fi
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ALL_PARTITIONS=$(lsblk -lnp -o NAME,TYPE | awk '$2=="part" {print $1}' | grep -E '/dev/(mmcblk|nvme|sd)')
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MOUNTED_PARTITIONS=$(findmnt -n -o SOURCE)
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ROOT_SOURCE=$(findmnt -n -o SOURCE /)
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[[ $OVERLAY_ACTIVE == "1" ]] && ROOT_SOURCE=$(findmnt -n -o SOURCE /media/root-ro)
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ROOT_DEVICE=${ROOT_SOURCE%%p*}
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ROOT_PARTITION=${ROOT_SOURCE##*p}
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MENU_OPTIONS=()
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for PART in $ALL_PARTITIONS; do
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if ! grep -q "$PART" <<< "$MOUNTED_PARTITIONS"; then
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DEVICE_NAME=$(echo "$PART" | sed -E 's/p[0-9]+$//')
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PARTITION_NUMBER=$(echo "$PART" | grep -o '[0-9]*$')
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if [[ "$DEVICE_NAME" == "$ROOT_DEVICE" && "$PARTITION_NUMBER" -gt "$ROOT_PARTITION" ]]; then
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MENU_OPTIONS+=("$PART" "Available partition")
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elif [[ "$DEVICE_NAME" != "$ROOT_DEVICE" ]]; then
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MENU_OPTIONS+=("$PART" "Available partition")
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fi
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fi
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done
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NEW_PART="${ROOT_DEVICE}p$((ROOT_PARTITION + 1))"
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if ! grep -q "$NEW_PART" <<< "$ALL_PARTITIONS"; then
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MENU_OPTIONS+=("$NEW_PART" "Potential new partition (p$((ROOT_PARTITION + 1)))")
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fi
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MENU_ITEMS=(
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"none" "disable overlayroot $( [ "$CURRENT_MODE" = "none" ] && echo "(active)" )"
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"tmpfs" "tmpfs mode $( [ "$CURRENT_MODE" = "tmpfs" ] && echo "(active)" )"
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"block" "block device mode $( [ "$CURRENT_MODE" = "block" ] && echo "(active: $CURRENT_DEVICE)" )"
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)
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CHOICE=$(dialog --clear --title "Overlayroot Configuration" --default-item "$CURRENT_MODE" \
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--menu "\nChoose the storage mode:" 12 60 3 "${MENU_ITEMS[@]}" 3>&1 1>&2 2>&3)
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clear
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if [ "$OVERLAY_ACTIVE" -eq 1 ]; then
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#echo "Remounting /media/root-ro as read-write..."
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mount -o remount,rw /media/root-ro
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fi
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case "$CHOICE" in
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"none")
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sed -i "s/^overlayroot=.*/overlayroot=\"\"/" "$CONFIG_FILE"
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if ! grep -q "overlayroot" "$CONFIG_FILE"; then echo "overlayroot=\"\"" >> "$CONFIG_FILE"; fi
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dialog --title "Root overlay" --backtitle "$BACKTITLE" --yes-label "Reboot" \
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--no-label "Cancel" --yesno "\nEnable virtual read-only root and reboot." 7 45
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[[ ! -f /etc/overlayroot.conf ]] && cp /etc/overlayroot.conf.dpkg-new /etc/overlayroot.conf
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[[ $? = 0 ]] && sed -i "s/^overlayroot=.*/overlayroot=\"tmpfs\"/" /etc/overlayroot.conf && reboot
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--no-label "Cancel" --yesno "\nDisable overlayroot and reboot." 7 45
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[[ $? == 0 ]] && reboot
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;;
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"tmpfs")
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sed -i "s/^overlayroot=.*/overlayroot=\"$CHOICE\"/" "$CONFIG_FILE"
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if ! grep -q "overlayroot" "$CONFIG_FILE"; then echo "overlayroot=$CHOICE" >> "$CONFIG_FILE"; fi
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dialog --title "Root overlay" --backtitle "$BACKTITLE" --yes-label "Reboot" \
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--no-label "Cancel" --yesno "\nEnable overlayroot and reboot." 7 45
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[[ $? == 0 ]] && reboot
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;;
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"block")
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if [ ${#MENU_OPTIONS[@]} -eq 0 ]; then
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DEVICE=$(dialog --inputbox "No available partitions detected.\nEnter a block device path manually:" 10 50 "/dev/mmcblk0p2" 3>&1 1>&2 2>&3)
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else
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DEVICE=$(dialog --menu "Select a block device for storage:" 10 60 5 "${MENU_OPTIONS[@]}" 3>&1 1>&2 2>&3)
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fi
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clear
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if [ -n "$DEVICE" ]; then
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sed -i "s|^overlayroot=.*|overlayroot=\"device:dev=$DEVICE\"|" "$CONFIG_FILE"
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if ! grep -q "overlayroot" "$CONFIG_FILE"; then echo "overlayroot=\"device:dev=$DEVICE\"" >> "$CONFIG_FILE"; fi
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sync
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#echo "Overlayroot set to block device mode using $DEVICE."
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if [ "$DEVICE" = "$NEW_PART" ]; then
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if [[ -b "$DEVICE" ]]; then
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if [[ "$(lsblk -no FSTYPE $DEVICE)" != "ext4" ]]; then
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dialog --yesno "Warning: format $DEVICE as ext4? This will erase all data." 10 50
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[[ $? -eq 0 ]] && yes|mkfs.ext4 "$DEVICE"
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dialog --title "Root overlay" --backtitle "$BACKTITLE" --yes-label "Reboot" \
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--no-label "Cancel" --yesno "\nEnable overlayroot and reboot." 7 45
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[[ $? == 0 ]] && reboot
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else
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dialog --title "Root overlay" --backtitle "$BACKTITLE" --yes-label "Reboot" \
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--no-label "Cancel" --yesno "\nEnable overlayroot and reboot." 7 45
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[[ $? == 0 ]] && reboot
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fi
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return
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fi
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dialog --yesno "Warning: Creating a new partition ($DEVICE) may destroy existing data." 10 50
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[[ ! $? -eq 0 ]] && return
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rootfs_size=$(df -BM | grep ^/dev | head -1 | awk '{print $3}' | tr -cd '[0-9]. \n')
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sdsize=$(bc -l <<< "scale=0; ((($rootfs_size * 2) / 1 + 0) / 4 + 1) * 4")
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#echo "sdsize: $sdsize"
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rootsource=$ROOT_SOURCE
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rootdevice=${rootsource%p*}
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partitions=${rootsource##*p}
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lastsector=$(fdisk -l ${rootdevice} |grep "Disk ${rootdevice}" |awk '{print $7}')
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lastsector=$(( $lastsector - 1024 ))
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startfrom=$(fdisk -l ${rootdevice} |grep ${rootsource} |awk '{print $2}')
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partend=$(fdisk -l ${rootdevice} |grep ${rootsource} |awk '{print $3}')
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new_part_size=$(($sdsize * 1024 * 1024 / 512))
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new_partend=$((${new_part_size} + ${startfrom} -1))
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new_partstart=$((${new_partend}+1))
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LOOP=$(losetup -f)
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losetup ${LOOP} ${rootsource}
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e2fsck -f -y ${LOOP}
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resize2fs ${LOOP} $((${new_part_size} / 8))
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(echo d; echo $partitions; echo n; echo p; echo ; echo $startfrom; echo $new_partend ; echo w;)| fdisk $rootdevice
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(echo n; echo p; echo ;echo $new_partstart; echo $lastsector; echo w;)| fdisk $rootdevice
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e2fsck -f -y ${LOOP}
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yes |mkfs.ext4 $DEVICE
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sync
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losetup -d ${LOOP}
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dialog --title "Root overlay" --backtitle "$BACKTITLE" --yes-label "Reboot" \
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--no-label "Cancel" --yesno "\nEnable overlayroot and reboot." 7 45
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[[ $? == 0 ]] && reboot
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else
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#if [[ "$(lsblk -no FSTYPE /dev/sda2)" != "ext4" ]]; then
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dialog --yesno "Warning: format $DEVICE as ext4? This will erase all data." 10 50
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[[ $? -eq 0 ]] && yes|mkfs.ext4 "$DEVICE"
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dialog --title "Root overlay" --backtitle "$BACKTITLE" --yes-label "Reboot" \
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--no-label "Cancel" --yesno "\nEnable overlayroot and reboot." 7 45
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[[ $? == 0 ]] && reboot
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#fi
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fi
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else
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:
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fi
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;;
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*)
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:
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;;
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esac
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sync
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;;
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@ -109,14 +109,15 @@ while true; do
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fi
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# overlayroot
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if [[ "$DISTRO" == "Ubuntu" && "$(modinfo overlay > /dev/null 2>&1; echo $?)" == "0" ]]; then
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if [ -n "$(mount | grep -w tmpfs-root)" ]; then
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:
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#LIST+=( "Overlayroot" "Disable virtual read-only root filesystem" )
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else
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:
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#LIST+=( "Overlayroot" "Enable virtual read-only root filesystem" )
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fi
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if [[ "$DISTRO" =~ "Ubuntu"|"Debian" && "$(modinfo overlay > /dev/null 2>&1; echo $?)" == "0" ]]; then
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#if [ -n "$(mount | grep -w tmpfs-root)" ]; then
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# :
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# #LIST+=( "Overlayroot" "Disable virtual read-only root filesystem" )
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#else
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# :
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# #LIST+=( "Overlayroot" "Enable virtual read-only root filesystem" )
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#fi
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LIST+=( "Overlayroot" "Enable or disable a overlay filesystem." )
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fi
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# count number of menu items to adjust window size
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