Attachment 5968 Details for Bug 29471 – src/cleaner.sh

src/cleaner.sh

cleaner.sh (text/plain), 2.95 KB, created by Michael Shigorin on 2013-10-14 17:04:01 MSK

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Creator: Michael Shigorin

Created: 2013-10-14 17:04:01 MSK

Size: 2.95 KB

patch

obsolete

>#!/bin/sh
>
>for i in `ls -1 /dev/{s,h}d[a-l]`; do
>	fdisk -lu $i >/dev/null 2>&1
>done
>
>stop_arrays()
>{
>	dmsetup remove_all
>	
>	ARRAYLIST=`cat /proc/mdstat  | grep md | sed 's/$md.*$ :.*/\1/'`
>
>	echo "Stopping arrays $ARRAYLIST"
>
>	[ -z "$ARRAYLIST" ] && return
>	
>	for ARRAY in $ARRAYLIST; do
>		echo -en "Stopping array (/dev/$ARRAY)\t\t"
>		eval mdadm --manage /dev/evms/.nodes/$ARRAY --stop && echo "[ STOPPED ]" || echo "[ NOTFOUND ]"
>		eval mdadm --manage /dev/$ARRAY --stop && echo "[ STOPPED ]" || echo "[ NOTFOUND ]"
>	done
>}
>
>zero_superblock()
>{
>	local DISKLIST=$*
>
>	[ -z "$DISKLIST" ] && return
>	
>        for DISK in $DISKLIST; do
>		local PARTLIST=`cat /proc/partitions | grep $DISK | sed "s/.*$\(sd\|hd$.[[:digit:]]*\).*/\1/"`
>		
>		for PART in $PARTLIST; do
>			echo -en "Zeroing superblock on (/dev/evms/.nodes/$PART) \t\t"
>			eval mdadm --misc --zero-superblock /dev/evms/.nodes/$PART >/dev/null 2>&1 && echo "[ ZEROED ]" || echo "[ NOTFOUND ]"
>        	        echo -en "Zeroing superblock on (/dev/$PART) \t\t"
>            	    	eval mdadm --misc --zero-superblock /dev/$PART >/dev/null 2>&1 && echo "[ ZEROED ]" || echo "[ NOTFOUND ]"
>		done
>        done
>}
>
>
>delete_partitions()
>{
>	echo "commit" | evms -c --pipe -m readonly  -d everything >/dev/null 2>&1
>
>	local list=$*
>	
>	stop_arrays
>	
>	awk  -v disks="\"$list\"" '	
>	/^.*: LD_read: Read/ {
>			res = gensub(/^.*: LD_read: Read disk:([a-z]+) offset:([0-9]+) count:([0-9]+)/,"dd if=/dev/zero of=/dev/\\1 bs=512 seek=\\2 count=\\3",$0);
>			disk_to_clean = gensub(/^.*: LD_read: Read disk:([a-z]+) offset:([0-9]+) count:([0-9]+)/,"\\1",$0);
>			printf "%s\n", res;
>			
>			if (index(disks,disk_to_clean) != 0) {
>				print res >"/tmp/delete_partitions.log";
>				cmd = sprintf("%s >/dev/null 2>&1", res);
>				system(cmd);
>			}
>		}
>
>		BEGIN {
>			printf "\nDeleting meta info from: ( %s)\n", disks;
>		}
>
>		END {
>			system("sync");
>			print "Done";
>		}
>	' /var/log/evms-engine.log
>
>	zero_superblock $list
>}    
>
>
>DISKLIST=""
>for i in `egrep '.* [sh]d[a-z]$' /proc/partitions | sed -re 's|.* ([sh]d[a-z])|\1|'`; do
>	if mount -oro "/dev/$i" /mnt 2>/dev/null && ls -1 '/mnt/cdimage.iso'; then
>		umount /mnt 2>/dev/null ||:
>		echo "Flash installation found! Partitions deleting on /dev/$i skipped"
>	else
>		umount /mnt 2>/dev/null ||:
>		DISKLIST="$i $DISKLIST"
>	fi
>done
>
>
>echo "Cleaning $DISKLIST"
>
>delete_partitions "$DISKLIST"
>
>for DISK in $DISKLIST; do
>	echo -en "Re-validating /dev/${DISK}               \t\t"
>	echo -e "o\nn\np\n1\n\n\nw\n" | fdisk "/dev/$DISK" >/dev/null 2>&1 && echo "[ OK ]" || "[ FAILED ]"
>
>	echo -en "Cleaning up partition table on /dev/$DISK\t\t"
>	dd if=/dev/zero of=/dev/$DISK count=1 bs=1024 >/dev/null 2>&1 && echo "[ OK ]" || "[ FAILED ]"
>done
>
>evms_activate >/dev/null 2>&1
>
>for VOL in /dev/evms/*; do
>	[ "$VOL" == "/dev/evms/dm" ] && continue
>	
>	echo -en "Deleting compatible volume ($VOL)\t\t"
>	echo -e "dr:$VOL\nquit\n" | evms -b >/dev/null 2>&1 && echo "[ OK ]" || echo "[ FAILED ]"
>done
>
>echo "All the disks are prepared for installation."

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Attachments on bug 29471: 5968