實驗系統:CentOS 6.6_x86_64html
實驗前提:防火牆和selinux都關閉mysql
實驗說明:本實驗共有4臺主機,IP分配如拓撲linux
實驗軟件:mariadb-10.0.20 oneproxy-rhel5-linux64-v5.6-gasql
下載地址:http://pan.baidu.com/s/1jGpL2o2數據庫
實驗拓撲:vim
注意:本實驗是以前mysql-proxy實驗的拓展,所以大部分環境及設定是相同的,其中1、二步這裏再也不重複,具體請參考:利用mysql-proxy進行mysql數據庫的讀寫分離安全
1、準備工做bash
2、配置主從複製服務器
3、安裝oneproxy負載均衡
1.此實驗中19.79爲onproxy服務器,因此軟件安裝在此主機上:
tar xf oneproxy-rhel5-linux64-v5.6-ga.tar.gz -C /usr/local/ cd /usr/local/oneproxy vim demo.sh ----------------------------------------------------------------> #/bin/bash # export ONEPROXY_HOME=/usr/local/oneproxy # valgrind --leak-check=full --show-reachable=yes \ ${ONEPROXY_HOME}/oneproxy --keepalive \ //自動檢查和重起OneProxy服務 --proxy-address=192.168.19.79:3306 \ //Proxy Server第一個監聽地址
--admin-address=192.168.19.79:4041 \ //管理端口地址
--proxy-master-addresses=192.168.19.66:3306@server1 \ // Master節點地址(可寫入節點),其中@後面是「Server Group」的名字,若是不指定,則默認爲「default」 --proxy-slave-addresses=192.168.19.74:3306@server1 \ //Slave節點地址(可讀取節點) --proxy-slave-addresses=192.168.19.76:3306@server1 \ --proxy-user-list=test/14B1772BA9874974E6ECEA0745EE774930E2EFA3 \ // Proxy用戶列表(用戶名/口令),進行完第2步以後回來配置 --proxy-part-tables=${ONEPROXY_HOME}/part.txt \
--proxy-found-rows \ --event-threads=4 \ //OneProxy的工做線程數
--proxy-group-policy=server1:2 \ //定義MySQL集羣的路由訪問策略,這裏配置的是從Slave讀取,若是Slave端不可用,則從Master端讀取
--proxy-group-security=server1:0 \ //定義MySQL集羣的安全訪問策略 --proxy-memory-db=root/@::test \
--proxy-memory-engine \ --proxy-sql-autosave=${ONEPROXY_HOME}/sql_firewall.sql \ --log-file=${ONEPROXY_HOME}/oneproxy.log \ --pid-file=${ONEPROXY_HOME}/oneproxy.pid
2.查看密碼字符並配置:
chmod +x demo.sh ./demo.sh mysql -uadmin -pOneProxy -h192.168.19.79 --port=4041 //進入管理接口 --------------------------------------------------------------------> passwd 'redhat'; //查看密碼字符,並寫入demo.sh中 +--------+------------------------------------------+ | TEXT | PASSWORD | +--------+------------------------------------------+ | redhat | 14B1772BA9874974E6ECEA0745EE774930E2EFA3 | +--------+------------------------------------------+
3.在master上建立測試用戶:
/usr/local/mysql/bin/mysql -----------------------------------------------> GRANT ALL ON *.* TO 'test'@'192.168.19.%' IDENTIFIED BY 'redhat'; //這裏要和demo.sh中的Proxy用戶列表信息保持一致 FLUSH PRIVILEGES;
4.回到oneproxy服務器啓動進程:
killall -9 oneproxy //先清理掉以前的進程 ./demo.sh tail -f oneproxy.log //查看日誌
mysql -uadmin -pOneProxy -h192.168.19.79 --port=4041 -----------------------------------------------------------------> LIST BACKEND; +------+--------------------+-----------+--------+--------+----------+--------+---------+------+------+-------+---------+-------+---------+-------+---------+------+------+---------+ | INDX | ADDRESS | TYPE | STATUS | MARKUP | REQUESTS | DEGREE | GROUP | IS_M | IS_S | MFile | MOffset | DFile | DOffset | RFile | ROffset | IO | SQL | Seconds | +------+--------------------+-----------+--------+--------+----------+--------+---------+------+------+-------+---------+-------+---------+-------+---------+------+------+---------+ | 1 | 127.0.0.1:3306 | RW/Master | UP | 0 | 0 | 0 | | No | No | NULL | NULL | NULL | NULL | NULL | NULL | NULL | NULL | NULL | | 2 | 192.168.19.66:3306 | RW/Master | UP | 1 | 0 | 0 | server1 | No | No | NULL | NULL | NULL | NULL | NULL | NULL | NULL | NULL | NULL | | 3 | 192.168.19.74:3306 | RO/Slave | UP | 1 | 0 | 0 | server1 | No | No | NULL | NULL | NULL | NULL | NULL | NULL | NULL | NULL | NULL | | 4 | 192.168.19.76:3306 | RO/Slave | UP | 1 | 0 | 0 | server1 | No | No | NULL | NULL | NULL | NULL | NULL | NULL | NULL | NULL | NULL | +------+--------------------+-----------+--------+--------+----------+--------+---------+------+------+-------+---------+-------+---------+-------+---------+------+------+---------+
5.分別在三臺mariadb服務器上抓包:
master:
tcpdump -i eth0 -nn -XX ip dst 192.168.19.66 and tcp dst port 3306
slave1:
tcpdump -i eth0 -nn -XX ip dst 192.168.19.74 and tcp dst port 3306
slave2:
tcpdump -i eth0 -nn -XX ip dst 192.168.19.76 and tcp dst port 3306
6.在oneproxy上進行數據庫建立及讀取:
mysql -utest -predhat -h192.168.19.79 //鏈接到oneproxy
數據庫命令這裏再也不寫出,你們能夠從圖片能夠看出,全部寫操做都在master上進行,讀操做被負載均衡至slave上。
至此,實驗成功,謝謝!若有問題,請聯繫我,QQ:82800452