Bash script to convert an OpenVZ ploop container back to simfs

convert_ploop_to_simfs.sh

#!/bin/sh

####################################################################
#                                                                  #
# Convert ploop ct to simfs                                        #
#                                                                  #
# HOW TO USE:                                                      # 
# ./convert_ploop_to_simfs.sh VEID                                 #
#                                                                  #
# To use progress2 option rsync version should be 3.1 and higher   #
#                                                                  #  
####################################################################

set -e

rsync_options='-aHA --info=progress2 --stats --numeric-ids --delete'
partition='vz'

# Check conditions

verify=`vzlist -H -o status $1`

if [ $verify != 'running' ]; then
        echo "Start container first! Aborted."
        exit 1
fi

if [ ! -e /etc/vz/conf/$1.conf ]; then
        echo "Virtual server configuration file: /etc/vz/conf/$1.conf does not exist."
        exit 1
fi

if [ ! -d /$partition/private/$1/root.hdd ]; then
        echo "Server does not have a ploop device"
        exit 1
fi

if [ ! -d /$partition/private/$1 ]; then
        echo "Server does not exist"
        exit 1
fi


# Create and mount file system for simfs container
mkdir -p /$partition/private/1000$1/
cp /etc/vz/conf/$1.conf /etc/vz/conf/1000$1.conf
vzctl mount 1000$1

# Rsync files from ploop to simfs
rsync $rsync_options /$partition/root/$1/. /$partition/private/1000$1/

# unmount simfs file system container
vzctl umount 1000$1

# create dump
vzdump 1000$1

# Cleanup
rm -f /etc/vz/conf/1000$1.conf
rmdir /vz/root/1000$1
rm -rf /$partition/private/1000$1