extras: Add quota-related debugging scripts.

Signed-off-by: Raghavendra G <raghavendra@gluster.com>
Signed-off-by: Anand Avati <avati@gluster.com>

BUG: 2697 (Quota: add-brick creates the size go awkward, though it was perfect earlier)
URL: http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2697

extras/contri-add.sh

@@ -0,0 +1,73 @@
+#!/bin/bash
+
+# This script adds contributions of files/directories in backend to volume
+# size.
+# It can also be used to debug by passing dir as first argument, in which case
+# it will just add contributions from immediate children of a directory and
+# displays only if added contributions from immediate children is different
+# from size stored in directory.
+# For Eg., find <backend-directory> -type d -exec ./contri-add.sh dir \{} \;
+# will list all the directories which have descrepancies in their
+# size/contributions.
+
+usage ()
+{
+    echo >&2 "usage: $0 <file|dir> <list-of-backend-directories>"
+}
+
+add_contributions ()
+{
+    local var=0
+    local count=0
+
+    SIZE=`getfattr -h -e hex -n trusted.glusterfs.quota.size $2 2>&1 | sed -e '/^#/d' | sed -e '/^getfattr/d' | sed -e '/^$/d' | cut -d'=' -f 2`
+    CONTRI=`getfattr -h -e hex -d -m trusted.glusterfs.quota.*.contri $2 2>&1 | sed -e '/^#/d' | sed -e '/^getfattr/d' | sed -e '/^$/d' | cut -d'=' -f 2`
+
+    if [ $1 == "file" ]; then
+        PATHS=`find  $2 ! -type d | sed -e "\|^$2$|d" | sed -e '/^[ \t]*$/d'`
+    else
+        PATHS=`find  $2 -maxdepth 1 | sed -e "\|^$2$|d" | sed -e '/^[ \t]*$/d'`
+    fi
+
+    if [ -z "$PATHS" ]; then
+        return 0
+    fi
+
+    CONTRIBUTIONS=`echo $PATHS | xargs getfattr -h -e hex -d -m trusted.glusterfs.quota.*.contri 2>&1 | sed -e '/^#/d' | sed -e '/^getfattr/d' | sed -e '/^$/d' | cut -d'=' -f 2 | sed -e 's/^[ \t]*\([^ \t]*\)/\1/g'`
+
+    if [ -n "$CONTRIBUTIONS" ]; then
+        for i in $CONTRIBUTIONS; do
+            count=$(($count + 1))
+            var=$(($var + $i))
+        done
+    fi
+
+    if [ $1 == "file" ] || [ $var -ne $(($SIZE)) ] || [ $(($SIZE)) -ne $(($CONTRI)) ]; then
+        if [ $1 == "dir" ]; then
+            TMP_PATH=`echo $2 | sed -e "s/\/home\/export\/[0-9]*/\/mnt\/raghu/g"`
+            stat $TMP_PATH > /dev/null
+        fi
+
+        echo "file count $count"
+        echo "added contribution of $2=$var"
+        echo "size stored in xattrs on $2=$(($SIZE))"
+        echo "contribution of $2 to its parent directory=$(($CONTRI))"
+        echo "=============================================================="
+    fi
+}
+
+
+main ()
+{
+    [ $# -lt 1 ] && usage
+
+    TYPE=$1
+
+    shift 1
+
+    for i in $@; do
+        add_contributions $TYPE $i
+    done
+}
+
+main $@

extras/file_size_contri.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+# This script checks whether the contribution and disk-usage of a file is same.
+
+CONTRIBUTION_HEX=`getfattr -h -e hex -d -m trusted.glusterfs.quota.*.contri $1 2>&1 | sed -e '/^#/d' | sed -e '/^getfattr/d' | sed -e '/^$/d' | cut -d'=' -f 2`
+
+BLOCKS=`stat -c %b $1`
+SIZE=$(($BLOCKS * 512))
+
+CONTRIBUTION=`printf "%d" $CONTRIBUTION_HEX`
+
+if [ $CONTRIBUTION -ne $SIZE ]; then
+    printf "contribution of %s:%d\n" $1 $CONTRIBUTION
+    echo "size of $1: $SIZE"
+    echo "==================================================="
+fi
+