mysql 备份与恢复shell脚本
2011-09-28 16:40
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mysql_backup.sh
#!/bin/sh
# set -x
## this script is for auto mysql backup
## log file: /opt/alu/logs/3rd_party/mysql/backup.log
BACKUP_PATH=/opt/alu/data/backup/mysql
LOG_FILE=/opt/alu/logs/3rd_party/mysql/backup.log
DATE=`date +"%Y%m%d"`
DUMP_FILE=$DATE".sql"
TGZ_FILE=$DATE".tgz"
SHELL_DIR=/opt/alu/shell/sysmgt
BAK_DAY=7
usage(){
echo "Usage:`basename $0`"
echo "OR `basename $0` DB1 [DB2 DB3...]"
}
log_success_msg(){
echo " SUCCESS! $@"
}
log_failure_msg(){
echo " ERROR! $@"
}
p_echo(){
echo >> ${LOG_FILE}
echo "-------------Backup-------------" >> ${LOG_FILE}
echo `date +"%Y-%m-%d %H:%M:%S"` >> ${LOG_FILE}
echo "-------------Backup-------------" >> ${LOG_FILE}
echo >> ${LOG_FILE}
}
## check mysql pid, and kill it
checkProcess(){
PIDS=`ps -ef|grep mysqld|grep -v grep|grep 3306|awk '{print $2}'`
if [ -n ${PIDS} ]; then
for pid in ${PIDS}
do
kill -9 ${pid}
done
fi
}
## check mysql service, make sure it's alive
checkStatus(){
`mysqladmin ping > /dev/null 2>&1`
if [[ $? != 0 ]]; then
checkProcess
echo "mysql is not alive,will be start now!" >> ${LOG_FILE}
${SHELL_DIR}/mysql_supervise.sh start >> ${LOG_FILE} 2>&1
fi
}
## find all database name
declare VARDB
find_db_names(){
DB_NAMES_ALL=$(mysql -e "show databases;")
index=0
for DB in ${DB_NAMES_ALL}
do
if [[ "$DB" != "Database" ]];then
VARDB[$index]=$DB
let index++
fi
done
}
## delete old files
# find ${BACKUP_PATH} -mtime +${BAK_DAY} | xargs rm -rf > /dev/null 2>&1
## tgz file today exists,backup it
delete_old_file(){
if [ -f $1 ]; then
echo "[$1] Backup file is exists,will be delete" >> ${LOG_FILE}
rm -f $1 > /dev/null 2>&1
fi
}
## mysqldump function
func_mysqldump(){
db_dump_file=$1"_"$DUMP_FILE
db_tgz_file=$1"_"$TGZ_FILE
delete_old_file $db_tgz_file
mysqldump -q --add-drop-table --single-transaction --lock-tables=false $1 > $db_dump_file
tar -czvf $db_tgz_file $db_dump_file > /dev/null
echo "[${db_tgz_file}] Backup success!" >> ${LOG_FILE}
rm -rf $db_dump_file > /dev/null 2>&1
}
######### main
usage
p_echo
# check mysql server status
checkStatus
if [[ $? != 0 ]];then
echo "Mysql server error"
exit 1
fi
cd ${BACKUP_PATH}
if [[ $# = 0 ]];then
find_db_names
for arr in ${VARDB[@]}
do
func_mysqldump $arr
done
else
for var_db_name in $@
do
func_mysqldump ${var_db_name}
done
fi
if [[ $? = 0 ]];then
echo "Done"
else
echo "Error"
fi
mysql_restore.sh
#!/bin/sh
# set -x
## it's for mysql restore
## if no file specify,it will use the backup script
BACKUP_PATH=/opt/alu/data/backup/mysql
LOG_FILE=/opt/alu/logs/3rd_party/mysql/backup.log
SHELL_DIR=/opt/alu/shell/sysmgt
## help
help(){
echo "Usage"
echo "1. can give a database name and a script file:"
echo " Usage: `basename $0` db_name script_file"
echo
echo "2. No parameters give:"
echo " Will list database and backuped file can used to restore"
}
## number match
number_match(){
if [[ $# = 0 ]];then
echo "Need a parameter"
return 1
else
if [[ ! $1 =~ ^[0-9]+$ ]]
then
return 1
fi
return 0
fi
}
## make sure if mysql's status is OK
check_status(){
`mysqladmin -u${MYSQL_USER} -p${MYSQL_PWD} ping >>/dev/null 2>&1`
if [[ $? != 0 ]]; then
PIDS=`ps -ef|grep mysqld|grep -v grep|grep 3306|awk '{print $2}'`
if [[ -n ${PIDS} ]]; then
for pid in ${PIDS}
do
kill -9 ${pid}
done
fi
echo "Mysql is not alive,will be start now!" >> ${LOG_FILE}
${SHELL_DIR}/mysql_supervise.sh start >> /dev/null 2>&1
fi
}
## global variable
declare array
## list all database
db_names(){
i=0
files=$(ls -t ${BACKUP_PATH}/*.tgz)
for file in ${files}
do
# nbi_db_20110920.tgz
file_name=$(basename $file)
# nbi_db
db_name=${file_name%_*}
array1[$i]=$db_name
((i++))
done
length=${#array1[@]}
for ((i=0;i<$length;i++));do
for ((j=$(expr $length - 1);j>$i;j--));do
if [[ "${array1[$i]}" = "${array1[$j]}" ]];then
unset array1[$i]
fi
done
done
index=0
for arr in ${array1[@]}
do
array[$index]=$arr
((index++))
done
}
p_echo(){
echo >> ${LOG_FILE}
echo "------------Restore------------" >> ${LOG_FILE}
echo `date +"%Y-%m-%d %H:%M:%S"` >> ${LOG_FILE}
echo "------------Restore------------" >> ${LOG_FILE}
echo >> ${LOG_FILE}
}
## global variable
declare db_select
## show database list,and get selected
func_db_select(){
# get all database name,call function db_names()
db_names
db_len=${#array[@]}
# No backup file
if [[ $db_len = 0 ]];then
echo "No backuped scripts under ${BACKUP_PATH},exit now."
exit 1
fi
# have files
echo
echo "Database below:"
for((index=0;index<$db_len;index++))
do
echo
echo "[`expr $index + 1`] "${array[$index]}
done
echo
read -p "Please input the number before database name.Otherwise,exit.Input:"
select_db_name=$REPLY
if [[ -z ${select_db_name} ]];then
echo
echo "Exit now"
exit 1
fi
# test if input is number
number_match $select_db_name
if [[ $? = 1 ]];then
echo "Input error.Exit now"
exit 1
fi
if [[ $select_db_name -lt 1 || $select_db_name -gt $db_len ]];then
echo "Input error.Exit now"
exit 1
fi
# selected database name
db_select=${array[`expr $select_db_name - 1`]}
}
## when no parameter specify,list all backuped scripts
func_noparam(){
# call function
func_db_select
I=0
FILES=$(ls -t ${BACKUP_PATH}/${db_select}*.tgz)
for FILE in ${FILES}
do
VARFILE[$I]=$(basename $FILE)
((I++))
done
arr_len=${#VARFILE[@]}
echo
echo "Backuped scripts list below:"
for((index=0;index<$arr_len;index++))
do
echo
echo "[`expr $index + 1`] "${VARFILE[$index]}
done
echo
read -p "Please input the number before file name. Otherwise,exit.Input:"
select_file_name=$REPLY
if [[ -z ${select_file_name} ]];then
echo
echo "Exit now"
exit 1
fi
number_match $select_file_name
if [[ $? = 1 ]];then
echo "Input error.Exit now"
exit 1
fi
if [[ $select_file_name -lt 1 || $select_file_name -gt $arr_len ]];then
echo "Input error.Exit now"
exit 1
fi
# selected script file
select_file=${VARFILE[`expr $select_file_name - 1`]}
echo
read -p "Sure to restore \"$db_select\" use \"$select_file\"? (yes or no):"
if [[ $REPLY = "n" || $REPLY = "N" || $REPLY = "no" || $REPLY = "NO" ]]
then
echo "Not restore, exit now"
exit 1
fi
# User's input correct,backup use the select script
p_echo
cd ${BACKUP_PATH} >> /dev/null
tar -zxvf ${select_file} >> /dev/null
FILE_PRE=`ls ${select_file}|cut -d "." -f1`
FILE_RESTORE=${FILE_PRE}".sql"
mysql -e "CREATE DATABASE IF NOT EXISTS ${db_select};" >> ${LOG_FILE} 2>&1
mysql ${db_select} < ${FILE_RESTORE} >> ${LOG_FILE} 2>&1
if [[ $? = 0 ]];then
echo "[${FILE_RESTORE}] Restore success!"
echo "[${FILE_RESTORE}] Restore success!" >> ${LOG_FILE}
else
echo "[${FILE_RESTORE}] Restore fail!"
echo "[${FILE_RESTORE}] Restore fail!" >> ${LOG_FILE}
fi
rm -f ${FILE_RESTORE} >> /dev/null
}
func_param(){
read -p "Use $2 to restore to $1 now?[yes or no]:"
if [[ "$REPLY" = "y" || "$REPLY" = "Y" || "$REPLY" = "yes" || "$REPLY" = "YES" ]];then
p_echo
mysql -e "CREATE DATABASE IF NOT EXISTS $1;" >> ${LOG_FILE} 2>&1
mysql $1 < $2 >> ${LOG_FILE} 2>&1
if [[ $? = 0 ]];then
echo "[$1] Restore success!"
echo "[$1] Restore success!" >> ${LOG_FILE}
else
echo "[$1] Restore fail!"
echo "[$1] Restore fail!" >> ${LOG_FILE}
fi
else
echo "Not restore,exit now"
exit 1
fi
}
####### main
help
check_status
if [[ $# = 2 ]];then
func_param $1 $2
else
func_noparam
fi
if [[ $? = 0 ]];then
echo "Done"
else
echo "Error"
fi
#!/bin/sh
# set -x
## this script is for auto mysql backup
## log file: /opt/alu/logs/3rd_party/mysql/backup.log
BACKUP_PATH=/opt/alu/data/backup/mysql
LOG_FILE=/opt/alu/logs/3rd_party/mysql/backup.log
DATE=`date +"%Y%m%d"`
DUMP_FILE=$DATE".sql"
TGZ_FILE=$DATE".tgz"
SHELL_DIR=/opt/alu/shell/sysmgt
BAK_DAY=7
usage(){
echo "Usage:`basename $0`"
echo "OR `basename $0` DB1 [DB2 DB3...]"
}
log_success_msg(){
echo " SUCCESS! $@"
}
log_failure_msg(){
echo " ERROR! $@"
}
p_echo(){
echo >> ${LOG_FILE}
echo "-------------Backup-------------" >> ${LOG_FILE}
echo `date +"%Y-%m-%d %H:%M:%S"` >> ${LOG_FILE}
echo "-------------Backup-------------" >> ${LOG_FILE}
echo >> ${LOG_FILE}
}
## check mysql pid, and kill it
checkProcess(){
PIDS=`ps -ef|grep mysqld|grep -v grep|grep 3306|awk '{print $2}'`
if [ -n ${PIDS} ]; then
for pid in ${PIDS}
do
kill -9 ${pid}
done
fi
}
## check mysql service, make sure it's alive
checkStatus(){
`mysqladmin ping > /dev/null 2>&1`
if [[ $? != 0 ]]; then
checkProcess
echo "mysql is not alive,will be start now!" >> ${LOG_FILE}
${SHELL_DIR}/mysql_supervise.sh start >> ${LOG_FILE} 2>&1
fi
}
## find all database name
declare VARDB
find_db_names(){
DB_NAMES_ALL=$(mysql -e "show databases;")
index=0
for DB in ${DB_NAMES_ALL}
do
if [[ "$DB" != "Database" ]];then
VARDB[$index]=$DB
let index++
fi
done
}
## delete old files
# find ${BACKUP_PATH} -mtime +${BAK_DAY} | xargs rm -rf > /dev/null 2>&1
## tgz file today exists,backup it
delete_old_file(){
if [ -f $1 ]; then
echo "[$1] Backup file is exists,will be delete" >> ${LOG_FILE}
rm -f $1 > /dev/null 2>&1
fi
}
## mysqldump function
func_mysqldump(){
db_dump_file=$1"_"$DUMP_FILE
db_tgz_file=$1"_"$TGZ_FILE
delete_old_file $db_tgz_file
mysqldump -q --add-drop-table --single-transaction --lock-tables=false $1 > $db_dump_file
tar -czvf $db_tgz_file $db_dump_file > /dev/null
echo "[${db_tgz_file}] Backup success!" >> ${LOG_FILE}
rm -rf $db_dump_file > /dev/null 2>&1
}
######### main
usage
p_echo
# check mysql server status
checkStatus
if [[ $? != 0 ]];then
echo "Mysql server error"
exit 1
fi
cd ${BACKUP_PATH}
if [[ $# = 0 ]];then
find_db_names
for arr in ${VARDB[@]}
do
func_mysqldump $arr
done
else
for var_db_name in $@
do
func_mysqldump ${var_db_name}
done
fi
if [[ $? = 0 ]];then
echo "Done"
else
echo "Error"
fi
mysql_restore.sh
#!/bin/sh
# set -x
## it's for mysql restore
## if no file specify,it will use the backup script
BACKUP_PATH=/opt/alu/data/backup/mysql
LOG_FILE=/opt/alu/logs/3rd_party/mysql/backup.log
SHELL_DIR=/opt/alu/shell/sysmgt
## help
help(){
echo "Usage"
echo "1. can give a database name and a script file:"
echo " Usage: `basename $0` db_name script_file"
echo
echo "2. No parameters give:"
echo " Will list database and backuped file can used to restore"
}
## number match
number_match(){
if [[ $# = 0 ]];then
echo "Need a parameter"
return 1
else
if [[ ! $1 =~ ^[0-9]+$ ]]
then
return 1
fi
return 0
fi
}
## make sure if mysql's status is OK
check_status(){
`mysqladmin -u${MYSQL_USER} -p${MYSQL_PWD} ping >>/dev/null 2>&1`
if [[ $? != 0 ]]; then
PIDS=`ps -ef|grep mysqld|grep -v grep|grep 3306|awk '{print $2}'`
if [[ -n ${PIDS} ]]; then
for pid in ${PIDS}
do
kill -9 ${pid}
done
fi
echo "Mysql is not alive,will be start now!" >> ${LOG_FILE}
${SHELL_DIR}/mysql_supervise.sh start >> /dev/null 2>&1
fi
}
## global variable
declare array
## list all database
db_names(){
i=0
files=$(ls -t ${BACKUP_PATH}/*.tgz)
for file in ${files}
do
# nbi_db_20110920.tgz
file_name=$(basename $file)
# nbi_db
db_name=${file_name%_*}
array1[$i]=$db_name
((i++))
done
length=${#array1[@]}
for ((i=0;i<$length;i++));do
for ((j=$(expr $length - 1);j>$i;j--));do
if [[ "${array1[$i]}" = "${array1[$j]}" ]];then
unset array1[$i]
fi
done
done
index=0
for arr in ${array1[@]}
do
array[$index]=$arr
((index++))
done
}
p_echo(){
echo >> ${LOG_FILE}
echo "------------Restore------------" >> ${LOG_FILE}
echo `date +"%Y-%m-%d %H:%M:%S"` >> ${LOG_FILE}
echo "------------Restore------------" >> ${LOG_FILE}
echo >> ${LOG_FILE}
}
## global variable
declare db_select
## show database list,and get selected
func_db_select(){
# get all database name,call function db_names()
db_names
db_len=${#array[@]}
# No backup file
if [[ $db_len = 0 ]];then
echo "No backuped scripts under ${BACKUP_PATH},exit now."
exit 1
fi
# have files
echo
echo "Database below:"
for((index=0;index<$db_len;index++))
do
echo
echo "[`expr $index + 1`] "${array[$index]}
done
echo
read -p "Please input the number before database name.Otherwise,exit.Input:"
select_db_name=$REPLY
if [[ -z ${select_db_name} ]];then
echo
echo "Exit now"
exit 1
fi
# test if input is number
number_match $select_db_name
if [[ $? = 1 ]];then
echo "Input error.Exit now"
exit 1
fi
if [[ $select_db_name -lt 1 || $select_db_name -gt $db_len ]];then
echo "Input error.Exit now"
exit 1
fi
# selected database name
db_select=${array[`expr $select_db_name - 1`]}
}
## when no parameter specify,list all backuped scripts
func_noparam(){
# call function
func_db_select
I=0
FILES=$(ls -t ${BACKUP_PATH}/${db_select}*.tgz)
for FILE in ${FILES}
do
VARFILE[$I]=$(basename $FILE)
((I++))
done
arr_len=${#VARFILE[@]}
echo
echo "Backuped scripts list below:"
for((index=0;index<$arr_len;index++))
do
echo
echo "[`expr $index + 1`] "${VARFILE[$index]}
done
echo
read -p "Please input the number before file name. Otherwise,exit.Input:"
select_file_name=$REPLY
if [[ -z ${select_file_name} ]];then
echo
echo "Exit now"
exit 1
fi
number_match $select_file_name
if [[ $? = 1 ]];then
echo "Input error.Exit now"
exit 1
fi
if [[ $select_file_name -lt 1 || $select_file_name -gt $arr_len ]];then
echo "Input error.Exit now"
exit 1
fi
# selected script file
select_file=${VARFILE[`expr $select_file_name - 1`]}
echo
read -p "Sure to restore \"$db_select\" use \"$select_file\"? (yes or no):"
if [[ $REPLY = "n" || $REPLY = "N" || $REPLY = "no" || $REPLY = "NO" ]]
then
echo "Not restore, exit now"
exit 1
fi
# User's input correct,backup use the select script
p_echo
cd ${BACKUP_PATH} >> /dev/null
tar -zxvf ${select_file} >> /dev/null
FILE_PRE=`ls ${select_file}|cut -d "." -f1`
FILE_RESTORE=${FILE_PRE}".sql"
mysql -e "CREATE DATABASE IF NOT EXISTS ${db_select};" >> ${LOG_FILE} 2>&1
mysql ${db_select} < ${FILE_RESTORE} >> ${LOG_FILE} 2>&1
if [[ $? = 0 ]];then
echo "[${FILE_RESTORE}] Restore success!"
echo "[${FILE_RESTORE}] Restore success!" >> ${LOG_FILE}
else
echo "[${FILE_RESTORE}] Restore fail!"
echo "[${FILE_RESTORE}] Restore fail!" >> ${LOG_FILE}
fi
rm -f ${FILE_RESTORE} >> /dev/null
}
func_param(){
read -p "Use $2 to restore to $1 now?[yes or no]:"
if [[ "$REPLY" = "y" || "$REPLY" = "Y" || "$REPLY" = "yes" || "$REPLY" = "YES" ]];then
p_echo
mysql -e "CREATE DATABASE IF NOT EXISTS $1;" >> ${LOG_FILE} 2>&1
mysql $1 < $2 >> ${LOG_FILE} 2>&1
if [[ $? = 0 ]];then
echo "[$1] Restore success!"
echo "[$1] Restore success!" >> ${LOG_FILE}
else
echo "[$1] Restore fail!"
echo "[$1] Restore fail!" >> ${LOG_FILE}
fi
else
echo "Not restore,exit now"
exit 1
fi
}
####### main
help
check_status
if [[ $# = 2 ]];then
func_param $1 $2
else
func_noparam
fi
if [[ $? = 0 ]];then
echo "Done"
else
echo "Error"
fi
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