#!/bin/ksh
#--------------------------------------------------------------------------
# 名称: backup_easdb.sh
#
# 功能描述: 提供当前实例下指定数据库的备份功能
#--------------------------------------------------------------------------
####主程序####
ShellVersion=V0.0.0.1
ShellUpdateTime=2018-03-29-10.48.00
syntax()
{
echo " "
echo " backup_db.sh -d [dbname] -p [backup path] -e -t [Backup type] -c -l -kd -kl "
echo " "
echo " -d List of Database Name,separated by spaces. Default all local database"
echo " -p Backup Path,this path will store database backup file and archive log: <path>/<instance>/<dbname>/database[archivelog]"
echo " -t Backup Type. [ONLINE]/[INCREMENTAL]/[INCREMENTAL DELTA]"
echo " -c Compress."
echo " -l Include Logs."
echo " -kd The number of database backup image saved,default 3"
echo " -kl The number of archive log backup image saved,default 3"
echo " -h Help"
echo " "
echo " sh backup_easdb.sh -d easdb -p /data/db2/dbbackup -t online -c -l -kd 10 -kl 20 "
echo " 程序版本=${ShellVersion}; 程序更新时间=${ShellUpdateTime}"
exit;
}
function f_backupdb
{
db2 connect TO ${DBNAME};
DB2INSTANCE=`db2ilist`;
cd ${BKPATH};mkdir -p ${DB2INSTANCE}/${DBNAME}/database;mkdir -p ${DB2INSTANCE}/${DBNAME}/archivelog;
BKPATH_DB=${BKPATH}/${DB2INSTANCE}/${DBNAME}/database;
BKPATH_ARCHLOG=${BKPATH}/${DB2INSTANCE}/${DBNAME}/archivelog;
ArclogPath=`db2 "get db cfg for ${DBNAME}" |grep LOGARCHMETH|grep -v "= OFF"|awk '{print $NF}'|sed 's/DISK://g;s/\/$//g'`
echo "DB2INSTANCE="${DB2INSTANCE}
echo "ArclogPath="${ArclogPath}
###backup database
DBBackupStr="db2 BACKUP DATABASE ${DBNAME} ${BKType} TO ${BKPATH_DB} ${COMPRESS} ${LOGINBK} WITHOUT PROMPTING"
echo "DBBackupStr="${DBBackupStr}
db2 BACKUP DATABASE ${DBNAME} ${BKType} TO ${BKPATH_DB} ${COMPRESS} ${LOGINBK} WITHOUT PROMPTING ;
###get archive log and database backup information
db_arc_his_str=`db2 list history backup all for $DBNAME |grep "^ B D .*.LOG .*.LOG" |tail -${Keep_BKDB_Num} |awk -v dbn=${DBNAME} -v insname=${DB2INSTANCE} '{printf "%s.0.%s.DBPART000.%s.001 %s %s ",toupper(dbn),tolower(insname),substr($3,1,14),$6,$7}'|awk '{print $1,$2,$3,$5,$(NF-2),$(NF-1),$NF,NF/3}'`
echo "db_arc_his_str="$db_arc_his_str
sleep 5
set -- $db_arc_his_str; _img1_file=$1; _img1_log1=$2; img1_log2=$3; _old_log1=$4;_img2_file=$5; _img2_log1=$6; img2_log2=$7; _his_num=$8 ;
echo "_img1_file="$1
echo "_img1_log1="$2
echo "img1_log2="$3
echo "_old_log1="$4
echo "_img2_file="$5
echo "_img2_log1="$6
echo "img2_log2="$7
echo "_his_num="$8
###backup archive log
find ${ArclogPath} -type f -print 2>/dev/null|awk -F / '{if ($NF >= old_log && $NF < new_log) print $0} ' old_log=${_old_log1} new_log=${_img2_log1} |while read line
do
echo "line="$line
if [ -f ${BKPATH_ARCHLOG}/Archlog$(date "+%Y%m%d").tar ]; then
cd ${BKPATH_ARCHLOG};
tar -rvf ${BKPATH_ARCHLOG}/Archlog$(date "+%Y%m%d").tar $line;_rt_code=$?;echo "Arclog:${_rt_code}:${BKPATH_ARCHLOG}/:tar -rvf ${line}:$(date "+%Y%m%d%H%M%S")"
else
cd ${BKPATH_ARCHLOG};
tar -cvf ${BKPATH_ARCHLOG}/Archlog$(date "+%Y%m%d").tar $line;_rt_code=$?;echo "Arclog:${_rt_code}:${BKPATH_ARCHLOG}/:tar -cvf ${line}:$(date "+%Y%m%d%H%M%S")"
fi
done
###delete backup archive log file
cd ${BKPATH_ARCHLOG};
find ${BKPATH_ARCHLOG} -name 'Archlog*.tar.gz' -ctime +${Keep_BKARCHLOG_Num} -type f -print 2>/dev/null | while read line
do
rm -f $line;_rt_code=$?;echo "#---rm :${_rt_code}:rm -f $line:$(date "+%Y%m%d%H%M%S")"
done
###delete database backup file
cd ${BKPATH_DB};
find ${BKPATH_DB} -type f -name "${DBNAME}*" -print | grep -v 'tar' 2>/dev/null|awk -F / '{if ($NF < old_bkimg) print $0} ' old_bkimg=${_img1_file} |while read line
do
rm -f $line;local _rt_code=$?;echo "##-rmBackup:${_rt_code}:${_BK_Path}:rm -f $line:$(date "+%Y%m%d%H%M%S")"
done
###delete archive log file
find ${ArclogPath} -type f -print 2>/dev/null|awk -F / '{if ($NF < old_log) print $0} ' old_log=${_img1_log1} |while read line
do
rm -f $line;_rt_code=$?;echo "#-#rmArclog:${_rt_code}:${ArclogPath}/:rm -f ${line}:$(date "+%Y%m%d%H%M%S")"
done
}
[ -f ~/sqllib/db2profile ] && . ~/sqllib/db2profile 1>/dev/null 2>&1 || return 4
shell_name="$(echo $0|awk -F / '{print $NF}')"
work_dir="$(echo $0|sed s/${shell_name}//g)"
[ -z "${work_dir}" ] && work_dir=$(pwd);cd ${work_dir};work_dir=$(pwd)
log_dir=${work_dir}/logs;mkdir -p ${log_dir}
logfile="${log_dir}/${shell_name}.log"
sqllogfile="${log_dir}/${shell_name}.sqllog"
exec >>${logfile} ;
echo "#####backup database and archive log at `date`"
###输入参数判断,若无输入则初始化.
for inopt in $@
do
case `echo $inopt|tr a-z A-Z` in
-D|DB|-DATABASE|-DATABASES) CurOpt="-D";continue;;
-P|PATH) CurOpt="-P";continue;;
-T|-TYPE) CurOpt="-T";BKType="";continue;;
-C|-COMPRESS) COMPRESS="COMPRESS";continue;;
-L|-LOGINBK) LOGINBK="INCLUDE LOGS";continue;;
-KD|-KEEPBKNUM) CurOpt="-KD";continue;;
-KL|-KEEPBKNUM) CurOpt="-KL";continue;;
-*) syntax;;
esac
case "${CurOpt}" in
-D) DBNAME=$inopt;;
-P) BKPATH=$inopt;;
-T) BKType=`echo $inopt|tr a-z A-Z`;;
-KD) Keep_BKDB_Num=$inopt;;
-KL) Keep_BKARCHLOG_Num=$inopt;;
esac
done
echo "BKType1111111111="$BKType
if [ ! $Keep_BKDB_Num ]
then
Keep_BKDB_Num=3
fi
if [ ! $Keep_BKARCHLOG_Num ]
then
Keep_BKARCHLOG_Num=3
fi
if [ "$BKType" = "INCREMENTAL" ]
then
BKType="ONLINE INCREMENTAL"
fi
if [ "$BKType" = "DELTA" ]
then
BKType="ONLINE INCREMENTAL DELTA"
fi
echo "DBNAME="$DBNAME
echo "BKPATH="$BKPATH
echo "BKType="$BKType
echo "COMPRESS="$COMPRESS
echo "LOGINBK="$LOGINBK
echo "Keep_BKDB_Num="$Keep_BKDB_Num
echo "Keep_BKARCHLOG_Num="$Keep_BKARCHLOG_Num
#f_backupdb >>${logfile};
f_backupdb ;
echo "###backup database and archive log stop at `date`"
#return 0
