Snapshot & Restore from snapshot Virtualbox Quickly

oh_snap.sh

#!/bin/bash
#title           : oh_snap.sh
#description     : This script will create and restore virtualbox snapshots for Islandora 8.
#author		       : Don Richards
#date            : 20200227
#version         : 1.0.0
#usage           : ./oh_snap.sh
#notes           : Tested on Islandora Playbooks 1.0.0
#==============================================================================

clear
VMNAME="Islandora 8 Ansible"

echo -e "\n\n  -------- Snapshot names --------"
vboxmanage snapshot "$VMNAME" list --machinereadable | grep "SnapshotName" | grep "Islandora_8_Ansible" | sed 's/^[^=]*=//' | sed 's/"//g'
echo -e "  --------        |       --------"

VMS_RUNNING=$(VBoxManage list runningvms | grep "$VMNAME" | wc -l| sed 's/[^0-9]*//g')
if [ $VMS_RUNNING -ne 0 ]; then
    echo -e "\n$VMNAME is current running..."
fi

NOW=$(date +"%m-%d-%Y-%I-%M-%S")
SNAPSHOT_NAME="Islandora_8_Ansible_${NOW}"
SNAPSHOT_DESCRIPTION="Snapshot taken on ${NOW}"

HELP="\n\nOPTIONS: $ ./oh_snap.sh   -h|--help   -l|--last|--mcfly   -r|--restore   -f|--flux   .... \n\nfor help: \n  $ ./oh_snap.sh -h\n\nTo restore from last snapshot: \n  $ ./oh_snap.sh -last\n\nTo restore from snapshot name: \n  $ ./oh_snap.sh -r SNAPSHOT-NAME \n\n  $ ./oh_snap.sh -r Islandora_8_Ansible_02-26-2020-15-44-01\n   place the name from 'Snapshot names' list here ⤴ \n\nTake a snapshot: \n    $ ./oh_snap.sh --flux\n\n\n"

key=$1

case $key in
    -h|--help)
        echo -e "$HELP"
        ;;
    -l|--last|--mcfly)
        if [ $VMS_RUNNING -ne 0 ]; then
            echo -e "\n$VMNAME is current running..."
            echo "Powering off VM"
            VBoxManage controlvm "$VMNAME" poweroff
        fi
        echo "Restoring the VM to the last snapshot occurrence"
        VBoxManage snapshot "$VMNAME" restorecurrent
        echo -e "\nYou’ve got to come back with me! Back to the .... directory where the Vagrantfile is and run:\n\t$ vagrant up\n\n"
        ;;
    -r|--restore)
        if [ -z "$2" ]; then
            echo -e "\n  Roads? Where we're going, we don't need roads. But you do need to specify a snapshot name with this option to restore from.\n\n"
            exit 0
        fi
        GOINGBACK=$(vboxmanage snapshot "Islandora 8 Ansible" list --machinereadable | grep "SnapshotName-" | grep "$2" | cut -f1 -d"=")
        GOINGGOING=$(echo $GOINGBACK | sed "s/SnapshotName/SnapshotDescription/g")
        GONEBACK=$(vboxmanage snapshot "Islandora 8 Ansible" list --machinereadable | grep "${GOINGGOING}=" | sed 's/^[^=]*=//' | sed 's/"//g' | sed 's/Snapshot taken on //g' | sed 's/-/ /3' | sed 's/-/:/3' | sed 's/-/:/3')

        [ $VMS_RUNNING -ne 0 ] && VBoxManage controlvm "$VMNAME" poweroff
        echo "Sending the VM back to $GONEBACK using the $2 snapshot"
        VBoxManage snapshot "$VMNAME" restore "${2}"
        echo -e "\nYou’ve got to come back with me! Back to the .... directory where the Vagrantfile is and run:\n\t$ vagrant up\n\n"
        ;;
    -f|--flux)
        echo -e "\n\tWait a minute, Doc. Ah... Are you telling me that you built a time machine... Yeah kinda. It creates snapshots, creating one now...\n"
        VBoxManage snapshot "$VMNAME" take "$SNAPSHOT_NAME" --description "$SNAPSHOT_DESCRIPTION" --pause
        echo -e "Alright then, Future Boy, the snapshot done.\n\n"
        ;;
    *)
        echo -e "$HELP"
        ;;
esac