Created
September 20, 2012 02:59
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#!/bin/bash | |
set -e | |
set -u | |
BACKUPDIR="/srv/contents-backup-datastore" | |
# 25 days (24 * 25 = 600 hours) | |
SAVED=600 | |
TARGETS=("/path/to/1st" "/path/to/2nd") | |
LOCKFILE="/var/run/contents_backup.lock" | |
RETRIES=3 | |
SLEEPTIME=15 | |
# 1 hours (60 * 60 * 1 = 3600sec) | |
LOCKTIMEOUT=3600 | |
SELFID=`id | sed -e 's/uid=//' -e 's/(.*//'` | |
if [ $SELFID -ne 0 ]; then | |
# failed | |
ERRMSG="You are not root, You cannot execute this script." | |
echo $ERRMSG 1>&2 | |
exit 100 | |
fi | |
# Require lockfile command in procmail package. | |
lockfile -${SLEEPTIME} -r $RETRIES -l $LOCKTIMEOUT $LOCKFILE >/dev/null 2>&1 | |
if [ $? -ne 0 ] ; then | |
# lock failed. | |
ERRMSG="Contents backup - Still running." | |
echo $ERRMSG | |
exit 1 | |
fi | |
TMPDIR=/tmp/contents-backup.$$ | |
mkdir -p $TMPDIR | |
trap "exit 1" HUP INT PIPE QUIT TERM | |
trap "rm -f ${TMPDIR}/*.tar.gz; rmdir ${TMPDIR}; rm -f ${LOCKFILE}" EXIT | |
TODAY=`date +%Y%m%d` | |
for URI in ${TARGETS[@]} | |
do | |
FNAME=`echo $URI | sed 's!/!_!g'` | |
BACKUP=${TMPDIR}/${FNAME}.${TODAY}.tar.gz | |
tar czf $BACKUP $URI >/dev/null 2>&1 | |
if [ $? -eq 0 ]; then | |
echo "Successful in the preparation of the contents backup: ${FNAME}" | |
else | |
# warning | |
$ERRMSG "Failed in the preparation of the contents backup: ${FNAME}" | |
echo $ERRMSG 1>&2 | |
fi | |
done | |
if [ ! -d $BACKUPDIR ]; then | |
# failed | |
ERRMSG="Contents of backup does not exist: ${BACKUPDIR}" | |
echo $ERRMSG 1>&2 | |
exit 200 | |
fi | |
/usr/sbin/tmpwatch $SAVED $BACKUPDIR | |
if [ "$(ls -A ${TMPDIR}/*.tar.gz)" ]; then | |
mv ${TMPDIR}/*.tar.gz ${BACKUPDIR}/ | |
fi | |
echo "Backup of the contents on server was completed." |
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