#!/bin/sh set -e action=$(dialog --menu "Advanced options, consider your warranty VOID!" 0 0 0 \ shell "Drop to shell" \ instance "Instance maintenance and recovery" \ subvol "Delete instances/templates" \ 2>&1 >$(tty)) clear case $action in shell) sh ;; instance) export BUTTERKNIFE_PARTITION=$(butterknife-select-btrfs-filesystem 2>&1 >$(tty)) # Probe instances pool_mountpoint=$(mktemp -d) subvols=$(mktemp) mount $BUTTERKNIFE_PARTITION $pool_mountpoint -o subvol=/ for subvol in $(ls $pool_mountpoint | grep "^@root:" | sort -r); do echo "$subvol \"\"" done > $subvols if [ -d $pool_mountpoint/deployments ]; then for timestamp in $(ls $pool_mountpoint/deployments | sort -r); do echo "deployments/$timestamp \"\"" done >> $subvols fi umount $pool_mountpoint rmdir $pool_mountpoint # Select instance export BUTTERKNIFE_DEPLOY_SUBVOL=$(dialog \ --menu "Select instance" 0 0 0 \ --file $subvols 2>&1 >$(tty)) # TODO: Export BUTTERKNIFE_DISK for grub-install MBR instance_mountpoint=$(mktemp -d) mount $BUTTERKNIFE_PARTITION -o subvol=$BUTTERKNIFE_DEPLOY_SUBVOL $instance_mountpoint mount --bind /dev $instance_mountpoint/dev mount --bind /sys $instance_mountpoint/sys mount --bind /proc $instance_mountpoint/proc if [ -d $instance_mountpoint/var/lib/butterknife/persistent ]; then mount --bind /proc $instance_mountpoint/var/lib/butterknife/persistent fi clear echo "Mounted $BUTTERKNIFE_PARTITION$BUTTERKNIFE_DEPLOY_SUBVOL at $instance_mountpoint" echo "Chrooting into $instance_mountpoint" hostname $(cat $instance_mountpoint/etc/hostname) cat /etc/resolv.conf > $instance_mountpoint/etc/resolv.conf # Export sensible PATH export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" chroot $instance_mountpoint butterknife-maintenance umount -a rmdir $instance_mountpoint ;; subvol) BUTTERKNIFE_PARTITION=$(butterknife-select-btrfs-filesystem 2>&1 >$(tty)) mountpoint=$(mktemp -d) mount $BUTTERKNIFE_PARTITION -o subvol=/ $mountpoint subvols=$(mktemp) for subvol in $(btrfs subvol list $mountpoint | cut -d ' ' -f 9 | sort -r); do echo "$subvol \"\"" done > $subvols selected_subvol=$(dialog --menu "Select subvolume to delete on $BUTTERKNIFE_PARTITION" 0 0 0 \ --file $subvols 2>&1 >$(tty)) rm -f $subvols btrfs subvol delete -c $mountpoint/$selected_subvol umount $mountpoint rmdir $mountpoint ;; esac