第十四章 監控系統-zabbix資料庫備份
阿新 • • 發佈:2021-12-21
一、概述
備份Zabbix資料庫可以防止資料庫因意外損壞而導致所有的配置資料丟失,備份的目的是災難恢復。這裡選擇對單表備份,而非全部備份。排除以下的表(原因是這幾個表的資料為監控的歷史展示資料,非配置類資料):
history* trends* Acknowledges Alerts Auditlog Events service_alarms
二、編寫備份指令碼
[root@prd-apm001 ~]$ vim /usr/sbin/zabbix_mysqldump.sh
#!/bin/bash #author: itnihao #mail: itnihao#qq.com #license: apache 2.0 #from :https://github.com/zabbix-book/zabbix-mysql-backup #usage: chmod 700 ${PATH}/zabbix_mysqldump.sh #crontab: 0 3 * * * ${PATH}/zabbix_mysqldump.sh mysqldump red='\e[0;31m' # 紅色 RED='\e[1;31m' green='\e[0;32m' # 綠色 GREEN='\e[1;32m' blue='\e[0;34m' # 藍色 BLUE='\e[1;34m' purple='\e[0;35m' # 紫色 PURPLE='\e[1;35m' NC='\e[0m' # 沒有顏色 source /etc/bashrc source /etc/profile MySQL_USER=zabbix MySQL_PASSWORD=zabbix MySQL_HOST=localhost MySQL_PORT=3306 MySQL_DUMP_PATH=/mysql_backup MYSQL_BIN_PATH=/usr/bin/mysql MYSQL_DUMP_BIN_PATH=/usr/bin/mysqldump MySQL_DATABASE_NAME=zabbix DATE=$(date '+%Y-%m-%d') MySQLDUMP () { [ -d ${MySQL_DUMP_PATH} ] || mkdir ${MySQL_DUMP_PATH} cd ${MySQL_DUMP_PATH} [ -d logs ] || mkdir logs [ -d ${DATE} ] || mkdir ${DATE} cd ${DATE} TABLE_NAME_ALL=$(${MYSQL_BIN_PATH} -u${MySQL_USER} -p${MySQL_PASSWORD} -h${MySQL_HOST} ${MySQL_DATABASE_NAME} -e \ "show tables"|egrep -v "(Tables_in_zabbix|history*|trends*|acknowledges|alerts|auditlog|events|service_alarms)") for TABLE_NAME in ${TABLE_NAME_ALL} do ${MYSQL_DUMP_BIN_PATH} --opt -u${MySQL_USER} -p${MySQL_PASSWORD} -P${MySQL_PORT} -h${MySQL_HOST} \ ${MySQL_DATABASE_NAME} ${TABLE_NAME} >${TABLE_NAME}.sql sleep 0.01 done [ "$?" == 0 ] && echo "${DATE}: Backup zabbix succeed" >> ${MySQL_DUMP_PATH}/logs/ZabbixMysqlDump.log [ "$?" != 0 ] && echo "${DATE}: Backup zabbix not succeed" >> ${MySQL_DUMP_PATH}/logs/ZabbixMysqlDump.log cd ${MySQL_DUMP_PATH}/ [ "$?" == 0 ] && rm -rf $(date +%Y-%m-%d --date='5 days ago') exit 0 } MySQLImport () { cd ${MySQL_DUMP_PATH} DATE=$(ls ${MySQL_DUMP_PATH} |egrep "\b^[0-9]+-[0-9]+-[0-9]+$\b") echo -e "${green}${DATE}" echo -e "${blue}what DATE do you want to import,please input date:${NC}" read SELECT_DATE if [ -d "${SELECT_DATE}" ];then echo -e "you select is ${green}${SELECT_DATE}${NC}, do you want to contine,if,input ${red}(yes|y|Y)${NC},\ else then exit" read Input [[ 'yes|y|Y' =~ "${Input}" ]] status="$?" if [ "${status}" == "0" ];then echo "now import SQL....... Please wait......." else exit 1 fi cd ${SELECT_DATE} for PER_TABEL_SQL in $(ls *.sql) do ${MYSQL_BIN_PATH} -u${MySQL_USER} -p${MySQL_PASSWORD} -h${MySQL_HOST} ${MySQL_DATABASE_NAME} < ${PER_TABEL_SQL} echo -e "import ${PER_TABEL_SQL} ${PURPLE}........................${NC}" done echo "Finish import SQL,Please check Zabbix database" else echo "Don't exist ${SELECT_DATE} DIR" fi } case "$1" in MySQLDUMP|mysqldump) MySQLDUMP ;; MySQLImport|mysqlimport) MySQLImport ;; *) echo "Usage: $0 {(MySQLDUMP|mysqldump) (MySQLImport|mysqlimport)}" ;; esac
三、備份資料
[root@prd-apm001 ~]$ sh /usr/sbin/zabbix_mysqldump.sh mysqldump #備份資料
四、恢復資料
[root@prd-apm001 ~]$ sh /usr/sbin/zabbix_mysqldump.sh mysqlimport #恢復資料