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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_PREFIX="S28"
ENABLED_NAME="Quota-root-xattr-heal.sh"
THIS_SCRIPT=$(echo "${0}" | awk -F'/' '{print $NF}')
cleanup_mountpoint ()
{
if umount -f "${MOUNT_DIR}"; then
return $?
fi
if rmdir "${MOUNT_DIR}"; 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=$?
else
if echo "${VALUE}" | grep -iq "No such attribute" ; then
RET=0
fi
fi
return ${RET};
}
##------------------------------------------
## Parse the arguments
##------------------------------------------
ARGS=$(getopt -o '' -l ${OPTSPEC} -n ${PROGNAME} -- "$@")
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=$1
;;
*)
shift
break
;;
esac
shift
done
##----------------------------------------
# Avoid long lines
ENABLED_STATE_1="${GLUSTERD_WORKDIR}/hooks/${VERSION}/${VOLUME_OP}/"
ENABLED_STATE_2="post/${ENABLED_NAME_PREFIX}${VOL_NAME}-${ENABLED_NAME}"
ENABLED_STATE="${ENABLED_STATE_1}${ENABLED_STATE_2}"
if [ "${THIS_SCRIPT}" != *"${VOL_NAME}"* ]; then
exit 0
fi
## Is quota enabled?
FLAG=$(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.
## -----------------------------------
# Avoid long lines
CMD_1="glusterfs -s localhost"
CMD_2="--volfile-id=${VOL_NAME} client-pid=-42 ${MOUNT_DIR}"
CMD="${CMD_1}${CMD_2}"
if ${CMD}
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 ] || [ "${RET2}" -ne 0 ]; then
exit 1
fi
disable_and_exit;
|
