extras: scripts to cleanup xattrs stored by quota.

Signed-off-by: Raghavendra G <raghavendra@gluster.com>
Signed-off-by: Vijay Bellur <vijay@gluster.com>

BUG: 2664 (Quota: recreating the volume on same bricks shows similar info as for earlier one using "list")
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2664

extras/Makefile.am

@@ -5,5 +5,5 @@ EditorMode_DATA = glusterfs-mode.el glusterfs.vim
 
 SUBDIRS = init.d benchmarking
 
-EXTRA_DIST = specgen.scm MacOSX/Portfile glusterfs-mode.el glusterfs.vim migrate-unify-to-distribute.sh backend-xattr-sanitize.sh backend-cleanup.sh disk_usage_sync.sh
+EXTRA_DIST = specgen.scm MacOSX/Portfile glusterfs-mode.el glusterfs.vim migrate-unify-to-distribute.sh backend-xattr-sanitize.sh backend-cleanup.sh disk_usage_sync.sh quota-remove-xattr.sh quota-metadata-cleanup.sh
 

extras/quota-metadata-cleanup.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+# This script is used to cleanup xattrs setup by quota-translator in (a)
+# backend directory(ies). It takes a single or list of backend directories
+# as argument(s).
+
+usage ()
+{
+    echo >&2 "usage: $0 <list-of-backend-directories>"
+}
+
+main ()
+{
+    [ $# -lt 1 ] && usage
+
+    INSTALL_DIR=`dirname $0`
+
+    for i in $@; do
+        find $i -exec $INSTALL_DIR/quota-remove-xattr.sh '{}' \;
+    done
+    
+}
+
+main $@

extras/quota-remove-xattr.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+# This script is used to remove xattrs set by quota translator on a path.
+# It is generally invoked from quota-metadata-cleanup.sh, but can
+# also be used stand-alone.
+
+usage ()
+{
+    echo >&2 "usage: $0 <path>"
+}
+
+main ()
+{
+    [ $# -ne 1 ] && usage $0
+
+    XATTR_KEY_VALUE_PAIRS=`getfattr -d -m 'trusted.glusterfs.quota' $1 2>/dev/null | sed -e '/^# file/d'`
+
+    for i in $XATTR_KEY_VALUE_PAIRS; do
+        XATTR_KEY=`echo $i | sed -e 's/\([^=]*\).*/\1/g'`
+        setfattr -x $XATTR_KEY $1
+    done
+}
+
+main $@