Backupを色々考えていたら、望むようなBackup取得手法が見当たらず、ついかっとなって作ってしまった。後悔はしていない。
今回のBackup Scriptは、以下を前提にしている
要するに、OSが入ったVMが立ち上げ、必要なpackage(pkgsrcやyum)を導入してしまえば、Backupからの書き戻しで概ねOKになるようにしたということ。 但し、Linux(CentOS)の場合、単純に/etc/を上書きしてよいかは、疑問が残る。
expr $var + n
を使う手も考えたが、NetBSDの/bin/shやCentOS上のbashは $ ( ( expression ) )
記法が使えるので、とりあえずこれで。言うまでもないことですが、一応。
このWikiに掲載されている全てのコンテンツの例に漏れず、本Scriptは無保証である。従って、本Scriptを利用したもしくは利用できないに関わらず、作者は一切の責を負わない。
#! /bin/sh # @(#) This script is my personal backup script. # # Personal Backup Script. # # Written by seirios@seirios.org # # Need bkup.conf. # # ***WARNING*** # This script runs on NetBSD 6 or CentOS 6. # # $Id:$ # echo "System backup start." ##### Prepare to run. # DEBUGGING. #DEBUG=1 # Under debugging, only show all command line. not execute if [ "x"$DEBUG = "x" ]; then EVAL="eval" else EVAL="echo" fi CONF=./bkup.conf # Tempolary file. CONFTMP=".conftmp"; [ -f $CONFTMP ] && rm -f $CONFTMP BKDIR="./.bkdir"; [ -f $BKDIR ] && rm -f $BKDIR BKMYSQL="MYSQL"; [ -f $BKMYSQL ] && rm -f $BKMYSQL UNAME=`which uname`; [ "x"$DEBUG != "x" ] && echo "uname : $UNAME" CAT=`which cat`; [ "x"$DEBUG != "x" ] && echo "cat : $CAT" GREP=`which grep`; [ "x"$DEBUG != "x" ] && echo "grep : $GREP" CUT=`which cut`; [ "x"$DEBUG != "x" ] && echo "cut : $CUT" TAR=`which tar`; [ "x"$DEBUG != "x" ] && echo "tar : $TAR" GZIP=`which gzip`; [ "x"$DEBUG != "x" ] && echo "gzip : $GZIP" MV=`which mv`; [ "x"$DEBUG != "x" ] && echo "mv : $MV" MYSQLDUMP=`which mysqldump`; [ "x"$DEBUG != "x" ] && echo "mysqldump : $MYSQLDUMP" OSNAME=`$UNAME -s`; ROTATE="" # Log rotate generation. MYSQL="0" # Backup MySQL? MYSQLPASS="" # MySQL Password ##### Parse commandline argument. [ $# -gt 1 ] && echo "Too match argument. exit." && exit [ $# -eq 1 ] && CONF=${1} [ ! -f $CONF ] && echo "Configuration file is not found. exit." && exit [ "x"$DEBUG != "x" ] && echo "Conf : $CONF" ##### Parse configuration file. # ***WARNING***: while loop must runs current shell(not subshell), so runs exec. $CAT $CONF | $GREP -v '^#' | $GREP -v '^$' > $CONFTMP exec < $CONFTMP while read line; do FLAG=`echo ${line} | $CUT -d " " -f 1` INIT=`echo ${line} | $CUT -b 1` if [ $INIT = "[" ]; then [ $FLAG = "[CONF]" ] && BLOCK="CONF" && continue [ $FLAG = "[FILE]" ] && BLOCK=$BKDIR && continue [ $FLAG = "[MYSQL]" ] && BLOCK=$BKMYSQL && continue echo "Unknown BLOCK. Check Configuration." && exit fi [ x"$BLOCK" = "x" ] && echo "BLOCK is invalid. Check Configuration." && exit # Configuratin. if [ $BLOCK = "CONF" ]; then [ $FLAG = "LOGGEN" ] && ROTATE=`echo ${line} | $CUT -d " " -f 2` [ $FLAG = "BKUPDIR" ] && BKUPDIR=`echo ${line} | $CUT -d " " -f 2` && \ [ ! -d $BKUPDIR ] && echo "Backup Dir is not exist" && exit fi # File BLOCK [ $BLOCK = $BKDIR ] && [ $FLAG -eq 1 ] && \ echo "`echo ${line} | $CUT -d " " -f 2`" >> $BLOCK # MySQL BLOCK [ $BLOCK = $BKMYSQL ] && [ $FLAG -eq 1 ] && \ MYSQL=1 MYSQLPASS=`echo ${line} | $CUT -d " " -f 2` done [ "x"$DEBUG != "x" ] && \ echo "OS name : $OSNAME" && \ echo "Log gen : $ROTATE" && \ echo "MySQL Bkup: $MYSQL" && \ echo "MySQL Pass: $MYSQLPASS" && \ echo "Target Dir: see $BKDIR"; ##### Rotate Backup File [ "x"$DEBUG != "x" ] && echo "===== Rotate Backup =====" ROTATE=$(( $ROTATE - 1 )) while (true); do ROTATEFROM=$(( $ROTATE - 1 )) [ -f $BKUPDIR/bkup.tgz.$ROTATEFROM ] && \ $EVAL "$MV $BKUPDIR/bkup.tgz.$ROTATEFROM $BKUPDIR/bkup.tgz.$ROTATE" [ -f $BKUPDIR/pkg.txt.$ROTATEFROM ] && \ $EVAL "$MV $BKUPDIR/pkg.txt.$ROTATEFROM $BKUPDIR/pkg.txt.$ROTATE" [ -f $BKUPDIR/mysqldump.sql.gz.$ROTATEFROM ] && \ $EVAL "$MV $BKUPDIR/mysqldump.sql.gz.$ROTATEFROM $BKUPDIR/mysqldump.sql.gz.$ROTATE" ROTATE=$ROTATEFROM [ $ROTATE -lt 2 ] && break done [ -f $BKUPDIR/bkup.tgz ] && \ $EVAL "$MV $BKUPDIR/bkup.tgz $BKUPDIR/bkup.tgz.1" [ -f $BKUPDIR/pkg.txt ] && \ $EVAL "$MV $BKUPDIR/pkg.txt $BKUPDIR/pkg.txt.1" [ -f $BKUPDIR/mysqldump.sql.gz ] && \ $EVAL "$MV $BKUPDIR/mysqldump.sql.gz $BKUPDIR/mysqldump.sql.gz.1" ##### File backup [ "x"$DEBUG != "x" ] && echo "===== File Backup =====" $EVAL "$TAR -cz -T $BKDIR -f $BKUPDIR/bkup.tgz" ##### Installed package list [ "x"$DEBUG != "x" ] && echo "===== Get package List =====" [ $OSNAME = "NetBSD" ] && $EVAL "/usr/sbin/pkg_info -a > $BKUPDIR/pkg.txt" [ $OSNAME = "Linux" ] && $EVAL "/usr/bin/yum list installed > $BKUPDIR/pkg.txt" ##### MySQL backup. [ "x"$DEBUG != "x" ] && echo "===== MySQL Backup =====" if [ $MYSQL != "0" -a "x"$MYSQLDUMP != "x" -a "x"MYSQLPASS != "x" ]; then $EVAL "$MYSQLDUMP -u root -A -a -e --password=\"$MYSQLPASS\" | $GZIP -9c > $BKUPDIR/mysqldump.sql.gz" fi ##### Cleanup [ "x"$DEBUG != "x" ] && [ -f $CONFTMP ] && rm -f $CONFTMP [ "x"$DEBUG != "x" ] && [ -f $BKDIR ] && rm -f $BKDIR [ "x"$DEBUG != "x" ] && [ -f $BKMYSQL ] && rm -f $BKMYSQL echo "done."
# # System Backup Configuration File. # This is part of bkup.sh script. # # Written by seirios@seirios.org # # Syntax # flag [TAB]+ context # flag: 1 = Target, 0 = Not target. # System Configuration. [CONF] LOGGEN 7 # Not rotate if 0 BKUPDIR /nfs/bup001/bkup # Backup Storage # File block: Context = target Dir or file # [FILE] 1 /etc 1 /usr/pkg/etc 1 /var 1 /home 0 /export/home # MySQL Block: Context = MySQL connection password # Must need MySQL Administrator(such as root) Password. # *** WARNING *** # Need MYSQL ADMINISTRATOR PASSWORD, not System root password. # [MYSQL] 0 MySQL_PASSWORD