mirror of
https://github.com/s3fs-fuse/s3fs-fuse.git
synced 2024-11-16 01:07:11 +00:00
131 lines
3.6 KiB
Bash
Executable File
131 lines
3.6 KiB
Bash
Executable File
#!/bin/sh
|
|
#
|
|
# s3fs - FUSE-based file system backed by Amazon S3
|
|
#
|
|
# Copyright 2007-2008 Randy Rizun <rrizun@gmail.com>
|
|
#
|
|
# This program is free software; you can redistribute it and/or
|
|
# modify it under the terms of the GNU General Public License
|
|
# as published by the Free Software Foundation; either version 2
|
|
# of the License, or (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software
|
|
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
#
|
|
|
|
#
|
|
# This is unsupport sample deleting cache files script.
|
|
# So s3fs's local cache files(stats and objects) grow up,
|
|
# you need to delete these.
|
|
# This script deletes these files with total size limit
|
|
# by sorted atime of files.
|
|
# You can modify this script for your system.
|
|
#
|
|
# [Usage] script <bucket name> <cache path> <limit size> [-silent]
|
|
#
|
|
|
|
func_usage()
|
|
{
|
|
echo ""
|
|
echo "Usage: $1 <bucket name> <cache path> <limit size> [-silent]"
|
|
echo " $1 -h"
|
|
echo "Sample: $1 mybucket /tmp/s3fs/cache 1073741824"
|
|
echo ""
|
|
echo " bucket name = bucket name which specified s3fs option"
|
|
echo " cache path = cache directory path which specified by"
|
|
echo " use_cache s3fs option."
|
|
echo " limit size = limit for total cache files size."
|
|
echo " specify by BYTE"
|
|
echo " -silent = silent mode"
|
|
echo ""
|
|
}
|
|
|
|
PRGNAME=$(basename "$0")
|
|
|
|
if [ "X$1" = "X-h" ] || [ "X$1" = "X-H" ]; then
|
|
func_usage "${PRGNAME}"
|
|
exit 0
|
|
fi
|
|
if [ "X$1" = "X" ] || [ "X$2" = "X" ] || [ "X$3" = "X" ]; then
|
|
func_usage "${PRGNAME}"
|
|
exit 1
|
|
fi
|
|
|
|
BUCKET="$1"
|
|
CDIR="$2"
|
|
LIMIT="$3"
|
|
SILENT=0
|
|
if [ "X$4" = "X-silent" ]; then
|
|
SILENT=1
|
|
fi
|
|
FILES_CDIR="${CDIR}/${BUCKET}"
|
|
STATS_CDIR="${CDIR}/.${BUCKET}.stat"
|
|
CURRENT_CACHE_SIZE=$(du -sb "${FILES_CDIR}" | awk '{print $1}')
|
|
#
|
|
# Check total size
|
|
#
|
|
if [ "${LIMIT}" -ge "${CURRENT_CACHE_SIZE}" ]; then
|
|
if [ $SILENT -ne 1 ]; then
|
|
echo "${FILES_CDIR} (${CURRENT_CACHE_SIZE}) is below allowed ${LIMIT}"
|
|
fi
|
|
exit 0
|
|
fi
|
|
|
|
#
|
|
# Remove loop
|
|
#
|
|
TMP_ATIME=0
|
|
TMP_STATS=""
|
|
TMP_CFILE=""
|
|
#
|
|
# Make file list by sorted access time
|
|
#
|
|
find "${STATS_CDIR}" -type f -exec stat -c "%X:%n" "{}" \; | sort | while read -r part
|
|
do
|
|
echo "Looking at ${part}"
|
|
TMP_ATIME=$(echo "${part}" | cut -d: -f1)
|
|
TMP_STATS=$(echo "${part}" | cut -d: -f2)
|
|
TMP_CFILE=$(echo "${TMP_STATS}" | sed -e "s/\\.${BUCKET}\\.stat/${BUCKET}/")
|
|
|
|
if [ "$(stat -c %X "${TMP_STATS}")" -eq "${TMP_ATIME}" ]; then
|
|
if ! rm "${TMP_STATS}" "${TMP_CFILE}" > /dev/null 2>&1; then
|
|
if [ "${SILENT}" -ne 1 ]; then
|
|
echo "ERROR: Could not remove files(${TMP_STATS},${TMP_CFILE})"
|
|
fi
|
|
exit 1
|
|
else
|
|
if [ "${SILENT}" -ne 1 ]; then
|
|
echo "remove file: ${TMP_CFILE} ${TMP_STATS}"
|
|
fi
|
|
fi
|
|
fi
|
|
if [ "${LIMIT}" -ge "$(du -sb "${FILES_CDIR}" | awk '{print $1}')" ]; then
|
|
if [ "${SILENT}" -ne 1 ]; then
|
|
echo "finish removing files"
|
|
fi
|
|
break
|
|
fi
|
|
done
|
|
|
|
if [ "${SILENT}" -ne 1 ]; then
|
|
TOTAL_SIZE=$(du -sb "${FILES_CDIR}" | awk '{print $1}')
|
|
echo "Finish: ${FILES_CDIR} total size is ${TOTAL_SIZE}"
|
|
fi
|
|
|
|
exit 0
|
|
|
|
#
|
|
# Local variables:
|
|
# tab-width: 4
|
|
# c-basic-offset: 4
|
|
# End:
|
|
# vim600: expandtab sw=4 ts=4 fdm=marker
|
|
# vim<600: expandtab sw=4 ts=4
|
|
#
|