some description

openvz2kvm.bash

#!/bin/bash

VMID=$1
OSVER=$2
SKIPDOWNLOAD=$3

if [ "$OSVER" == "cleanall" ]; then
	echo "Cleaning"
	rm -rf /home/work/rootvm/unpacked/vm$VMID
	rm -rf /home/work/rootvm/vzdump-openvz-$VMID*.tar
	rm -rf /home/work/transfer/vm$VMID.qcow2
	rm -rf /home/work/transfer/vm$VMID
	exit
fi

if [ "$OSVER" == "cleanimage" ]; then
	echo "Cleaning"
	rm -rf /home/work/transfer/vm$VMID.qcow2
	rm -rf /home/work/transfer/vm$VMID
	exit
fi

if [ "$SKIPDOWNLOAD" != "skip" ]; then
	echo "Copying dump from the node"
	sshpass -f nodepass scp [email protected]:/var/lib/vz/dump/dump/vzdump-openvz-$VMID*.lzo /home/work/rootvm/
	echo "Unpacking the lzo dump"
	lzop -d /home/work/rootvm/vzdump-openvz-$VMID*.lzo
	echo "Removing the lzo archive"
	rm /home/work/rootvm/vzdump-openvz-$VMID*.lzo
	echo "Making a directory to unpack the tar dump to" 
	mkdir /home/work/rootvm/unpacked/vm$VMID
	echo "Unpacking the tar dump"
	tar -C /home/work/rootvm/unpacked/vm$VMID -xf /home/work/rootvm/vzdump-openvz-$VMID*.tar

	if [ -d "/home/work/rootvm/unpacked/vm$VMID/etc/apt" ]; then
		echo "Managing apt repositories"
		mv /home/work/rootvm/unpacked/vm$VMID/etc/apt /home/work/rootvm/unpacked/vm$VMID/etc/apt.original
	fi

	if [ -d "/home/work/rootvm/unpacked/vm$VMID/etc/yum.repos.d" ]; then
		echo "Managing yum repositories"
		mv /home/work/rootvm/unpacked/vm$VMID/etc/yum.repos.d /home/work/rootvm/unpacked/vm$VMID/etc/yum.repos.d.original
	fi
else
	echo "Download process skipped"
fi

echo "Copying the stock qcow2 image"
cp /home/work/$OSVER/$OSVER-resized.qcow2 /home/work/transfer/vm$VMID.qcow2
echo "Making a directory to mount the stock image to"
mkdir /home/work/transfer/vm$VMID
echo "Mounting the image"
guestmount -a /home/work/transfer/vm$VMID.qcow2 -m /dev/sda1 --rw /home/work/transfer/vm$VMID
echo "Copying the packages list"
cp /home/work/$OSVER/packages.list /home/work/transfer/vm$VMID/
echo "Merging the passwd, shadow, and groups files"

if [ "$SKIPDOWNLOAD" != "norsync" ]; then
	RSYNCPASRAMS=$(/home/work/passwd-shadow-group-megre-script.pl /home/work/rootvm/unpacked/vm$VMID /home/work/transfer/vm$VMID | tail -n 1)
	echo "Rsyncing the dump into the stock image"
	rsync $RSYNCPASRAMS --exclude-from=/home/work/exclude.txt /home/work/rootvm/unpacked/vm$VMID/ /home/work/transfer/vm$VMID/ 2>/dev/null

	if [ "$OSVER" == "debian7" ] || [ "$OSVER" == "debian8" ] || [ "$OSVER" == "ubuntu1404" ]; then
		echo "Cleverly merging /etc/rcX.d directories"
		for RUNLEVEL in {0..7}; do
		        if [ "$RUNLEVEL" == "7" ]; then
		                ACTUALRUNLEVEL=S
		        else
		                ACTUALRUNLEVEL=$RUNLEVEL
		        fi
        		for SERVICE in `ls -1 /home/work/rootvm/unpacked/vm$VMID/etc/rc$ACTUALRUNLEVEL.d/ | cut -c4-`; do
                		ls -1 /home/work/transfer/vm$VMID/etc/rc$ACTUALRUNLEVEL.d/ | grep $SERVICE > /dev/null
	                	if [ $? -ne 0 ]; then
                        		cp -a /home/work/rootvm/unpacked/vm$VMID/etc/rc$ACTUALRUNLEVEL.d/*$SERVICE /home/work/transfer/vm$VMID/etc/rc$ACTUALRUNLEVEL.d/
                		fi
        		done
		done
	fi

	if [ "$OSVER" == "centos6" ]; then
		echo "Cleverly merging /etc/rcX.d directories"
		for RUNLEVEL in {0..6}; do
		        ACTUALRUNLEVEL=$RUNLEVEL
        		for SERVICE in `ls -1 /home/work/rootvm/unpacked/vm$VMID/etc/rc$ACTUALRUNLEVEL.d/ | cut -c4-`; do
                		ls -1 /home/work/transfer/vm$VMID/etc/rc$ACTUALRUNLEVEL.d/ | grep $SERVICE > /dev/null
	                	if [ $? -ne 0 ]; then
                        		cp -a /home/work/rootvm/unpacked/vm$VMID/etc/rc$ACTUALRUNLEVEL.d/*$SERVICE /home/work/transfer/vm$VMID/etc/rc$ACTUALRUNLEVEL.d/
                		fi
        		done
		done
	fi

	if [ "$OSVER" == "debian7" ] || [ "$OSVER" == "debian8" ] || [ "$OSVER" == "ubuntu1404" ]; then
		echo "Managing services"
		cp /home/work/debian7/debian7.bash /home/work/transfer/vm$VMID/transfer-debian7.bash
		chroot /home/work/transfer/vm$VMID /transfer-debian7.bash
		rm /home/work/transfer/vm$VMID/transfer-debian7.bash
	fi

	if [ "$OSVER" == "centos6" ]; then
		echo "Managing services"
		cp /home/work/centos6/centos6.bash /home/work/transfer/vm$VMID/transfer-centos6.bash
		chroot /home/work/transfer/vm$VMID /transfer-centos6.bash
		rm /home/work/transfer/vm$VMID/transfer-centos6.bash
	fi

	if [ "$OSVER" == "centos7" ]; then
		echo "Managing services"
		cp /home/work/centos7/centos7.bash /home/work/transfer/vm$VMID/transfer-centos7.bash
		chroot /home/work/transfer/vm$VMID /transfer-centos7.bash
		rm /home/work/transfer/vm$VMID/transfer-centos7.bash
	fi

	echo "Unmounting the image"
	guestunmount /home/work/transfer/vm$VMID
	echo "Image unmounted. Upload it to the cloud an install packages listed in /packages.list"
fi