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#!/bin/sh
##---------------------------------------------------------------------------
## This script updates the 'limit-set' xattr on the newly added node. Please
## refer hook-scripts/add-brick/pre/S28Quota-root-xattr-heal.sh for the complete
## description.
## Do the following only if limit configured on root.
## 1. Do an auxiliary mount.
## 2. Get 'limit-set' xattr on root
## 3. Set xattrs with the same value on the root.
## 4. Disable itself
##---------------------------------------------------------------------------
QUOTA_LIMIT_XATTR="trusted.glusterfs.quota.limit-set"
QUOTA_OBJECT_LIMIT_XATTR="trusted.glusterfs.quota.limit-objects"
MOUNT_DIR=`mktemp -d -t ${0##*/}.XXXXXX`;
OPTSPEC="volname:,version:,gd-workdir:,volume-op:"
PROGNAME="Quota-xattr-heal-add-brick"
VOL_NAME=
VERSION=
VOLUME_OP=
GLUSTERD_WORKDIR=
ENABLED_NAME="S28Quota-root-xattr-heal.sh"
cleanup_mountpoint ()
{
umount -f $MOUNT_DIR;
if [ 0 -ne $? ]
then
return $?
fi
rmdir $MOUNT_DIR;
if [ 0 -ne $? ]
then
return $?
fi
}
disable_and_exit ()
{
if [ -e "$ENABLED_STATE" ]
then
unlink $ENABLED_STATE;
exit $?
fi
exit 0
}
get_and_set_xattr ()
{
XATTR=$1
VALUE=$(getfattr -n $XATTR -e hex --absolute-names $MOUNT_DIR 2>&1)
RET=$?
if [ 0 -eq $RET ]; then
VALUE=$(echo $VALUE | grep $XATTR | awk -F'=' '{print $NF}')
setfattr -n $XATTR -v $VALUE $MOUNT_DIR;
RET=$?
else
echo $VALUE | grep -iq "No such attribute"
if [ 0 -eq $? ]; then
RET=0
fi
fi
return $RET;
}
##------------------------------------------
## Parse the arguments
##------------------------------------------
ARGS=$(getopt -l $OPTSPEC -name $PROGNAME $@)
eval set -- "$ARGS"
while true;
do
case $1 in
--volname)
shift
VOL_NAME=$1
;;
--version)
shift
VERSION=$1
;;
--gd-workdir)
shift
GLUSTERD_WORKDIR=$1
;;
--volume-op)
shift
VOLUME_OP=$1
;;
*)
shift
break
;;
esac
shift
done
##----------------------------------------
ENABLED_STATE="$GLUSTERD_WORKDIR/hooks/$VERSION/$VOLUME_OP/post/$ENABLED_NAME"
## Is quota enabled?
FLAG=`grep "^features.quota=" $GLUSTERD_WORKDIR/vols/$VOL_NAME/info \
| awk -F'=' '{print $NF}'`;
if [ "$FLAG" != "on" ]
then
disable_and_exit
fi
## -----------------------------------
## Mount the volume in temp directory.
## -----------------------------------
glusterfs -s localhost --volfile-id=$VOL_NAME --client-pid=-42 $MOUNT_DIR;
if [ 0 -ne $? ]
then
exit $?;
fi
## -----------------------------------
RET1=$(get_and_set_xattr $QUOTA_LIMIT_XATTR)
RET2=$(get_and_set_xattr $QUOTA_OBJECT_LIMIT_XATTR)
## Clean up and exit
cleanup_mountpoint;
if [ $RET1 -ne 0 -o $RET2 -ne 0 ]; then
exit 1
fi
disable_and_exit;
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