ViitorSetup/VSetup_functionVol

#!/bin/bash
#Framework, welches ein komplettes Linux System aus den Sourcen erstellt
#dieses Framework wird im CVS Repository
#:pserver:cvs.compuextreme.de:/Data/cvs zur Verf<72>gung gestellt
#
#Lage dieser Datei im Archiv: $Source: $
#
#(c) 2003 Harald Kueller, Germany
#This program is free software; you can redistribute it and/or
#modify ist under the terms of the GNU General Public License
#as published by the Free Software Foundation; either version
#2 of the License, or (at your option) any later version.
#
#This program is distributed in the hope that it will be useful,
#but WITHOUT ANY WARRANTY; without even the implied warranty of
#MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
#See the GNU General Public License for more details.
#
#You should have received a copy of the GNU General Public License
#along with this program; if not write to the Free Software Foundation,
#Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
#Script:
#BasisScript Viitor_Setup
#Script mit Funktionen zur Konfiguration und Wartung
#des Volume Management (LVM2.0)
#
#Letzte <20>nderung von: $Author: $
#Datum der letzten <20>nderung: $Date: $
#Version der Datei: $Revision: $
#
#$Log: $
#

GetLVMGroups() {
	vgdisplay |grep "VG Name"|awk '{print $3}'
	}

GetLVMVGSize() {
	VOLGROUP=$1
	SIZE=`vgdisplay $VOLGROUP|grep "VG Size"|awk '{print $3}'|sed -e "s/,/\./"`
	case `vgdisplay $VOLGROUP|grep "VG Size"|awk '{print $4}'` in
	GB)
		SIZE=`echo "$SIZE * 1024"|bc`
		;;
	KB)
		SIZE=`echo "$SIZE / 1024"|bc`
		;;
	esac
	echo $SIZE
	}

GetLVMVolumes() {
	VOLGROUP=$1
	lvdisplay $VOLGROUP -c|awk -F":" '{print $1}'
	}

GetLVMVolumeSize() {
	VOLGROUP=$1
	VOLNAME=$2
	BSIZE=`lvdisplay -c $VOLGROUP|grep $VOLNAME|awk -F":" '{print $7}'`
	(( BSIZE = $BSIZE / 2 / 1024 ))
	echo $BSIZE
}

ShowVolumeManagerMenue() {
	$DIALOGPRG --stdout --clear --title "Viitor VolumeManager Administration" \
	           --menu "Which Funktion do you want to use ?" 0 0 6 \
		   "SELECT" "Volume To Change" \
		   "PCREATE" "New Physical Volume" \
		   "CREATE" "New Volume Group" \
		   "VCREATE" "New Volume" \
		   "EXIT"  "Viitor VolumeManager"
	}

SelectVMPhysicalNo() {
	PVPART=""
	for i in `pvdisplay|grep "PV Name"|awk '{print $3}'`; do
		PARTNAME=`/bin/ls -ld $i|grep "^[bl]"|awk '{print $NF}'`
		if [ -h "$i" ]; then
			PARTNAME=/dev/$PARTNAME
		fi
		if [ ! "`pvdisplay $PARTNAME|grep "VG Name"|awk '{print $3}'`" ]; then
			PVPART=$PVPART" $PARTNAME"
		fi
	done
	NumEntrys=0
	ENTRY=""
	for i in $PVPART; do
		ENTRY=$ENTRY" $i `pvdisplay $i|grep "PV Size"|awk '{print $3,$4}'|sed -e "s/ //"` Off"
		(( NumEntrys = $NumEntrys + 1 ))
	done
	(( NumEntrys = $NumEntrys + 1 ))
	if [ ! $NumEntrys = "1" ]; then
		$DIALOGPRG --stdout \
		           --backtitle "ViitorLinux VolumeManager Setup" \
		   	   --title "Select Physical Volumes" \
		   	   --checklist "to use with the new Group?" \
			               0 0 $NumEntrys \
		   	   $ENTRY
	else
		$DIALOGPRG --title "ViitorLinux VolumeManager Setup" --clear \
		           --msgbox "There is no unused Physical Volume\nPlease create a new Physical Volume first" 0 0
			   return 1
	fi
	}

GetNewVGName() {
	$DIALOGPRG --stdout --title "Viitor VolumeManager Administration" \
	        --inputbox "Please give a new Name vor the new VolumeGroup" 9 35
	}

SelectVMPartition() {
	VMPART=""
	NumEntrys=0
	for i in `\ls /dev/{h,s}d? 2>/dev/null`; do
		DEVNAME=`basename $i`
		if [ "`cat /sys/block/$DEVNAME/device/type 2>/dev/null`" == "0" ] || \
		   [ "`cat /sys/block/$DEVNAME/device/media 2>/dev/null`" == "disk" ]; then
		   	if [ "`cat /sys/block/$DEVNAME/removable 2>/dev/null`" == "0" ]; then
				for j in `fdisk -l /dev/${DEVNAME}|grep "^\/dev"|sed -e "s/\*//"|awk '{ if ( $5 == "8e" ) print $1}'`; do
					pvdisplay $j 2>&1 >/dev/null
					if [ $? = "5" ]; then
						VMPART="$HD $j hd${NumEntrys}"
						(( NumEntrys++ ))
					fi
				done
			fi
		fi
	done
	if [ -f /proc/mdstat ]; then
		for i in `grep md /proc/mdstat|awk '{print $1}'|sed -e "s/md//"`; do
			pvdisplay /dev/md/$i >/dev/null 2>&1
			if [ $? = "5" ]; then
				VMPART=$VMPART" /dev/md/$i Unknown"
				(( NumEntrys = $NumEntrys + 1 ))
			fi
		done
	fi
	(( NumEntrys = $NumEntrys + 1 ))
	if [ $NumEntrys = "1" ]; then
		return 1
	else
		$DIALOGPRG --stdout --clear --title "Viitor VolumeManager Administration" \
		   	--menu "Select Partition vor Physical Volume" 0 0 $NumEntrys \
		   	$VMPART
	fi
	}

SelectVolumeGroup() {
	VOLUMEGROUPS=`GetLVMGroups`
	GROUPARG=""
	NumEntrys=0
	for i in $VOLUMEGROUPS; do
		GROUPARG=$GROUPARG" $i `GetLVMVGSize $i`MB"
		(( NumEntrys = $NumEntrys + 1 ))
	done
	(( NumEntrys = $NumEntrys + 1 ))
	$DIALOGPRG --stdout --clear --title "Select Volume" \
	                  --menu "Please select Volumegroup" 0 0 $NumEntrys \
			  $GROUPARG
}

SelectVolume() {
	GROUP=`SelectVolumeGroup`
	if [ ! $? = "0" ]; then
		return 1
	fi
	VOLUMES=`GetLVMVolumes $GROUP`
	if [ ! $? = "0" ]; then
		return 1
	fi
	VOLARG=""
	NumEntrys=0
	for i in $VOLUMES; do
		VOLARG=$VOLARG" $i `GetLVMVolumeSize $GROUP $i`M"
		(( NumEntrys = $NumEntrys + 1 ))
	done
	(( NumEntrys = $NumEntrys + 1 ))
	if [ ! $NumEntrys = "1" ]; then
		VOLUME=`$DIALOGPRG --stdout --clear --title "Select Volume" \
	                   	--menu "Please select Volume" 0 0 $NumEntrys \
			   	$VOLARG`
		if [ $? = "0" ]; then
			echo $VOLUME
		else
			return 1
		fi
	else
		$DIALOGPRG --title "ViitorLinux VolumeManager Setup" --clear \
		           --msgbox "There are no Volumes in Group $GROUP" \
			   0 0
		return 1
	fi
}

GetNewVolumeSize() {
	VOLUMENAME=$1
	VOLUMESIZE=$2
	$DIALOGPRG --stdout --title "INPUT BOX" \
	        --inputbox "The Volume $VOLUMENAME has a size of $VOLUMESIZE MBytes\n\n \
Which new size (in MByte) should the Volume $VOLUMENAME become?:" 11 60
	}


ResizeVolume() {
	VOLUME=$1
	SIZE=$2

	VOLNAME=`basename $VOLUME`
	GROUPDIR=`dirname $VOLUME`
	GROUPNAME=`basename $GROUPDIR`
	$DEBUG lvresize -L "$SIZE"M $VOLUME
	FILESYS=`mount|grep /dev/mapper/$GROUPNAME-$VOLNAME|awk '{print $5}'`
	MOUNTPOINT=`mount|grep /dev/mapper/$GROUPNAME-$VOLNAME|awk '{print $3}'`
	case $FILESYS in
	 reiserfs)
	 	$DEBUG reiserfsck --check /dev/mapper/$GROUPNAME_$VOLUME
	 	$DEBUG resize_reiserfs /dev/mapper/$GROUPNAME-$VOLUME
		;;
	xfs)
		$DEBUG xfs_growfs $MOUNTPOINT
		;;
	*)
		echo "$FILESYSTEM can not be reiszed!"
		;;
	esac
}

CreateVolume() {
	VOLGROUP=$1
	if [ "$DIALOGPRG" == "dialog" ]; then
		VOLINFO=`dialog --title "ViitorLinux VolumeManager Setup" \
		                --stdout --form \
		                "Insert Volume Information" 10 35 3 \
			        "VolumeName:" 1 1 "" 1 12 15 0 \
			        "VolumeSize:" 2 1 "" 2 12 15 0`
		if [ ! $? = "0" ]; then
			return 1
		fi
		VOLNAME=`echo $VOLINFO|awk '{print $1}'`
		VOLSIZE=`echo $VOLINFO|awk '{print $2}'`
	else
		VOLINFO=`Xdialog --title "ViitorLinux VolumeManager Setup" \
		                 --stdout --2inputsbox \
				 "Insert Volume Information" 15 0 \
				 "VolumeName:" "" \
				 "VolumeSize:" ""`
		if [ ! $? = "0" ]; then
			return 1
		fi
		VOLNAME=`echo $VOLINFO|awk -F"/" '{print $1}'`
		VOLSIZE=`echo $VOLINFO|awk -F"/" '{print $2}'`
	fi
	if [ $? = "0" ]; then
		$DEBUG lvcreate -L $VOLSIZE -n $VOLNAME $VOLGROUP
	fi
}

VolumeMenue() {
while FUNC=`ShowVolumeManagerMenue` ; do
		case $FUNC in
			SELECT)
				VOLUME=`SelectVolume`
				if [ ! $? = "0" ]; then
					continue
				fi
				VOLNAME=`basename $VOLUME`
				GROUPDIR=`dirname $VOLUME`
				GROUPNAME=`basename $GROUPDIR`
				SIZE=`GetLVMVolumeSize $GROUPNAME $VOLNAME`
				NEWSIZE=`GetNewVolumeSize $VOLUME $SIZE`
				if [ ! $? = "0" ]; then
					continue
				fi
				if [ ! "$NEWSIZE" -ge "$SIZE" ]; then
					$DIALOGPRG --title "ERROR" \
						--msgbox "Couldn't make a Volume smaller"\
						0 0
					continue
				fi
				ResizeVolume $VOLUME $NEWSIZE

				;;
			PCREATE)
				PART=`SelectVMPartition`
				if [ $? = "0" ]; then
					$DEBUG pvcreate $PART
				fi
				;;
			CREATE)
				PHVOLS=`SelectVMPhysicalNo`
				if [ ! $? = "0" ]; then
					continue
				fi
				PHVOLS=`echo $PHVOLS|sed -e "s/\"//g"`
				VGNAME=`GetNewVGName`
				if [ "$GROUPS" ]; then
					echo "vgcreate $VGNAME $PHVOLS" >/tmp/test
					$DEBUG /sbin/vgcreate $VGNAME $PHVOLS >>/tmp/test 2>&1
				else
					$DIALOGPRG --title "ViitorLinux VolumeManager Setup" --clear \
		           			   --msgbox "No Physical Volume selected\nPlease select a Physical Volume" 0 0
				fi
				;;
			VCREATE)
				GROUP=`SelectVolumeGroup`
				if [ $? = "0" ]; then
					CreateVolume $GROUP
				fi
				;;
			EXIT)
				break
				;;
		esac
	done
}