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--- backup-server:start [2017/03/04 15:10]
asok created
+++ backup-server:start [2017/03/04 23:48] (current)
asok
@@ Line 1: / Line 1: @@
 =====Backup using Backup Server=====
-Copy the file budata.sh from WEB-INF into the /root folder in the backup server.
+Copy the file **budata.sh** from WEB-INF into the **/root** folder in the backup server. Follow the instructions in the header.
+<file>
+#!/bin/sh
+#========================
+#Place this file in the /root folder of the backup server
+#
+#
+#on backup server
+#(1) Generate key on backup server
+#ssh-keygen -t rsa
+#
+#(2) Copy the key into the autorized_keys of the source server
+#
+#ssh root@source.dreamapps.com  mkdir -p .ssh
+#cat .ssh/id_rsa.pub | ssh root@source.dreamapps.com 'cat >> .ssh/authorized_keys'
+#
+#(3) On backup server
+#
+# /root/budata.sh source
+#
+#(4) Automate it
+#
+# crontab -e
+#
+# daily : 1 1 * * * /path/to/script/budata.sh
+# weekly: 1 1 * * 0 /path/to/script/budata.sh
+#
+# 30 03 * * * /root/budata.sh sg01
+#
+# will backup the data in sg01.dreamapps.com daily at 3:30 am
+#
+#========================
+# here=`pwd`
+pathname=$(readlink -f "$0")
+arg=$1''
+####  YOU MAY NEED TO CHANGE ONLY THE NEXT 3 LINES  ####
+myhost=${arg}'.dreamapps.com'
+budir='data'
+relpathtowiki='/var/lib/pgsql/data/'
+####  YOU MAY NEED TO CHANGE ONLY THE LAST 3 LINES  ####
+mydate="`date '+%Y%m%d.%H%M'`"
+# Define wiki location
+#myhost='${svr}'                     #name of the server hosting your your wiki
+myuser='root'                          #name of the user that has an ssh access to "myhost"
+#relpathtowiki='/var/lib/pgsql/data/'  #relative path to your wiki from "myhost" base
+backupsource="${myuser}@${myhost}:${relpathtowiki}"
+#backupsource="/abs/path/to/wiki/" #Use this line instead of the above if you run the backup script directly on your www server.
+# Define location of backup
+#backupdir="/home/ds1184/bu/${myhost}/data"
+backupdir="/home/ds1184/bu/${myhost}/${budir}"
+logfile="${backupdir}/backup.log"
+excludelist="${pathname}-exclude.txt"
+bkname="backup"
+nbbackup="7" # keep this amount of old backup
+#-- creates $1, if not existant
+checkDir() {
+    if [ ! -d "${backupdir}/$1" ] ; then
+        mkdir -p "${backupdir}/$1"
+    fi
+}
+# 1 -> path
+# 2 -> name
+# 3 -> number of backups
+rotateDir() {
+    for i in `seq $(($3 - 1)) -1 0`
+      do
+      if [ -d "$1/$2-$i" ] ; then
+          /bin/rm -f "$1/$2-$((i + 1))"
+          mv "$1/$2-$i" "$1/$2-$((i + 1))"
+      fi
+    done
+}
+#-- make sure everything exists
+checkDir "archive"
+checkDir "daily"
+#-- first step: rotate daily.
+rotateDir "${backupdir}/daily" "$bkname" "$nbbackup"
+mv ${logfile} ${backupdir}/daily/${bkname}-1/
+cat >> ${logfile} <<_EOF
+===========================================
+  Backup done on: $mydate
+===========================================
+_EOF
+#-- Do the backup and save difference in backup-1
+mkdir -p ${backupdir}/daily/${bkname}-1/
+mkdir -p ${backupdir}/daily/${bkname}-0/
+cd ${backupdir}/daily/${bkname}-0
+rsync -av --whole-file --delete --force \
+    -b --backup-dir ${backupdir}/daily/${bkname}-1/${thisdir} \
+    --exclude-from=${excludelist} \
+    $backupsource . \
+>> ${logfile} 2>&1
+#-- create an archive backup every month
+lastarchivetime="0"
+if [ -r ${backupdir}/lastarchivetime ] ; then
+  lastarchivetime=`cat ${backupdir}/lastarchivetime`
+fi
+now=`date +%j`
+let diffday=$now-$lastarchivetime
+if [ $diffday  -ge 30 -o $diffday -lt 0 ] ; then
+    echo $now > ${backupdir}/lastarchivetime
+    cd ${backupdir}/daily
+    tar -cjf ${backupdir}/archive/${bkname}-${mydate}.tar.bz2 ./${bkname}-0
+fi
+</file>

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