migrate proxmox container storage

migrate.sh

#!/bin/bash
#
# Filename : migrate
# Description : Migrate Proxmox OpenVZ container from one storage to another
# Author : James Coyle
#
# Version:
# -Date -Author -Description
# 20-11-2013 James Coyle Initial
# 23-11-2015 Patrick Smits Changes to support PVE 4
#

# Variables
TMP=/pve/backup/temp #Location to use to create the backup for transferring to new storage. This needs to be big enough to store the backup archive for the container

# Do not edit
usage() {
	echo "Usage: $0"
	echo " [-c Required: Container ID to migrate ] "
	echo " [-s Required: Target storage ID ]"
	echo " [-d Optional: Delete the backup file after CT restoration ]"
	echo ""
	echo "Example: $0 -c 100 -s nasarray"
	echo ""
	exit 1;
}

while getopts "c:s:d" o; do
	case "${o}" in
		c)
CT=${OPTARG}
;;
s)
TARGET_STORAGE=${OPTARG}
;;
d)
DELETE=true
;;
*)
usage
;;
esac
done
shift $((OPTIND-1))

# Check mandatory fields
if [ -z "${CT}" ] || [ -z "${TARGET_STORAGE}" ]; then
	usage
fi

RUNNING=false

set -e
set -o pipefail

echo "Moving $CT to $TARGET_STORAGE..."
if pct list | grep running | fgrep "$CT"
	then
	RUNNING=true
fi

if $RUNNING
	then
	pct stop $CT
fi

vzdump --dumpdir $TMP $CT

ARCHIVE=$(ls -t $TMP/vzdump-lxc-$CT-*.tar | head -n 1)

pct restore $CT $ARCHIVE -force -storage $TARGET_STORAGE

if $RUNNING
	then
	pct start $CT
fi

if $DELETE
	then
	LOG=$(ls -t $TMP/vzdump-lxc-$CT-*.log | head -n 1)
	echo "Deleting $LOG and $ARCHIVE"
	rm -rf $ARCHIVE $TMP/$LOG
fi