Explode overlay tar

2021-02-23 00:32:51 +02:00
parent 2a48e50ade
commit 9327fe6000
10 changed files with 690 additions and 1 deletions
--- a/overlay/sbin/butterknife-advanced-options
+++ b/overlay/sbin/butterknife-advanced-options
@@ -0,0 +1,90 @@
+#!/bin/sh
+
+set -e
+
+action=$(dialog --menu "Advanced options, consider your warranty VOID!" 0 0 0 \
+    shell           "Drop to shell" \
+    instance        "Instance maintenance and recovery" \
+    subvol          "Delete instances/templates" \
+    restore         "Restore Windows master boot record" \
+    2>&1 >$(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 $mountpoint
+    ;;
+    restore)
+        disk=$(butterknife-select-disk 2>&1 >$(tty))
+
+        # Select MBR type
+        action=$(dialog --menu "What kind of master boot record would you like to restore? You might have to mark partition bootable using fdisk." 0 0 0 \
+            mbr7          "Windows 7/8/10" \
+            mbrvista      "Windows Vista" \
+            mbr           "Windows 2000/XP/2003" \
+            2>&1 >$(tty))
+
+        cmd="ms-sys --$action /dev/$disk"
+        $cmd | dialog --programbox "$cmd" 10 76
+
+    ;;
+esac
+