docker 中 安装 mysqlcluster

时间:2019-09-17
本文章向大家介绍docker 中 安装 mysqlcluster,主要包括docker 中 安装 mysqlcluster使用实例、应用技巧、基本知识点总结和需要注意事项,具有一定的参考价值,需要的朋友可以参考一下。

1:创建两个docker container

这里我使用给指定 container ip的形式创建:

docker network ls

 创建一个新的bridge网络

docker network create --driver bridge --subnet=172.0.12.0/16 --gateway=172.0.1.1 mytestnet

查看网络详情

docker network inspect mytestnet

  

 创建容器,并指定ip

docker run -e TZ="Asia/Shanghai" --privileged -itd -h node1 --name mysqlnode1 --network=mytestnet --ip 172.0.12.1  docker.io/centos
docker run -e TZ="Asia/Shanghai" --privileged -itd -h node2 --name mysqlnode2 --network=mytestnet --ip 172.0.12.2  docker.io/centos

  node1 作为一个管理节点 SQL、NDB服务器

  node2 作为一个 SQL 、NDB服务器

分别进入 docker 容器 

docker attach  <container_id>

2:contianer中安装一些依赖:

yum -y install  make git gcc-c++ cmake bison-devel ncurses-devel perl per-devel ncurses-devel bison libaio-devel java autoconf vim wget net-tools

检查有没有安装过mysql和mariadb,有的话先卸载,关闭防火墙,selinux (该镜像不涉及忽略)

3:下载安装mysqlcluster

3.1:编译准备

下载tar包

wget -c http://mirrors.sohu.com/mysql/MySQL-Cluster-7.4/mysql-cluster-gpl-7.4.25.tar.gz
tar -zxvf mysql-cluster-gpl-7.4.25.tar.gz  

创建数据存放目录

mkdir -p /data/program/mysqlCluster/{bin,ndbdata,tmp}
chown -R mysql:mysql /data/program/mysqlCluster

新建mysql用户及用户组

groupadd mysql
useradd -g mysql -s /usr/sbin/nologin mysql

进入解压文件中,替换文件(原安装包不支持arm)

分别替换

./storage/ndb/memcache/extra/libevent/epoll_sub.c
./storage/ndb/src/kernel/vm/mt-asm.h

https://pan.baidu.com/s/1t9UTyVPg8A0i5JAGVm7V9g

https://pan.baidu.com/s/1XcZJYyQfQM5tDyZwHhus7A

3.3 编译

执行下列代码:

cmake -DBUILD_CONFIG=mysql_release \
-DCMAKE_BUILD_TYPE=debug \
-DCMAKE_INSTALL_PREFIX=/data/program/mysqlCluster \
-DMYSQL_UNIX_ADDR=/data/program/mysqlCluster/tmp/mysql-cluster.sock \
-DDEFAULT_CHARSET=utf8 \
-DDEFAULT_COLLATION=utf8_general_ci \
-DWITH_EXTRA_CHARSETS:STRING=utf8,gbk \
-DWITH_MYISAM_STORAGE_ENGINE=1 \
-DWITH_INNOBASE_STORAGE_ENGINE=1 \
-DWITH_MEMORY_STORAGE_ENGINE=1 \
-DWITH_READLINE=1 \
-DENABLED_LOCAL_INFILE=1 \
-DMYSQL_DATADIR=/data/program/mysqlCluster/ndbdata \
-DMYSQL_USER=mysql \
-DMYSQL_TCP_PORT=3306
make && make install

添加环境变量:

export  PATH=$PATH:/data/program/mysqlCluster/bin

3.4 安装

cd /data/program/mysqlCluster/
ln -s bin/mysqld-debug bin/mysqld
cp support-files/mysql.server /etc/init.d/mysqld
chmod –R 755 /etc/init.d/mysqld

按理说mysql添加到/etc/init.d目录后就可以启动了,但是要启动集群,换需要配置管理节点和数据节点,mysql暂缓启动。
(启动 mysqlcluster --> Management Node > Data Node > SQL Node)

3.5:管理节点配置(mysqlnode1)

创建配置文件

mkdir  -p /data/program/mysqlCluster/etc
vim   /data/program/mysqlCluster/etc/config.ini

写入配置

[ndb_mgmd default]
datadir=/data/program/mysqlCluster/ndbdata
[ndbd default]
NoOfReplicas = 2
DataMemory = 200M
IndexMemory = 20M
datadir=/data/program/mysqlCluster/ndbdata
[ndb_mgmd]
NodeId = 1
HostName=172.0.12.1
datadir=/data/program/mysqlCluster/ndbdata

[ndbd]
NodeId = 11
HostName=172.0.12.1
datadir=/data/program/mysqlCluster/ndbdata

[ndbd]
NodeId=12
HostName=172.0.12.2
datadir=/data/program/mysqlCluster/ndbdata

[mysqld]
NodeId = 21
HostName=172.0.12.1
[mysqld]
NodeId=22
HostName=172.0.12.2
[mysqld]
[mysqld]
[mysqld]

 启动管理节点

ndb_mgmd  -f  /data/program/mysqlCluster/etc/config.ini --initial (--initial 首次加载/data/program/mysqlCluster/etc/config.ini文件有改变,其它时候不要加,除非是在备份、恢复或配置变化后重启时,其他时候不要加,不然数据就清空)

#如果有改动要加上

rm -rf /data/program/mysqlCluster/mysql-cluster/ndb_1_config.bin.1
ndb_mgmd  -f  /data/program/mysqlCluster/etc/config.ini

查看集群状态:

ndb_mgm
ndb_mgm> show
关闭管理节点
ndb_mgm> shutdown

 

3.6 数据节点配置 (mysqlnode1 mysqlnode2)

配置数据节点

cp  /data/program/mysqlCluster/support-files/ my-default.cnf /etc/my.cnf
vim /etc/my.cnf

sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
ndbcluster
ndb-connectstring=172.0.12.1
[mysql_cluster]
ndb-connectstring=172.0.12.1

启动数据节点

ndbd --initial (--initial 首次加载)

  

3.7 sql节点配置(node1 node2)

vim  /etc/my.cnf

[mysqld]
basedir =/data/program/mysqlCluster
datadir =/data/program/mysqlCluster/ndbdata
socket=/data/program/mysqlCluster/tmp/mysql-cluster.sock

ndbcluster
ndb-connectstring = 172.0.12.1

sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES
[client]
default-character-set = utf8
[mysqld]
character_set_server=utf8
[mysql_cluster]
ndb-connectstring = 172.0.12.1
[NDB_MGM]
connect-string=172.0.12.1

 启动sql节点(可以启动mysql了)

/etc/init.d/mysqld  {start stop restart }

 设置密码

mysql  -u root  -p (登录无密码)
mysql> SET PASSWORD = PASSWORD('123456');
mysql> GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '123456' WITH GRANT  OPTION;

至此配置完成!

test

1 从node1数据节点登陆MYSQL

mysql> create database zxztest ;
Query OK, 1 row affected (0.03 sec)


mysql> use zxztest;
Database changed
mysql> create table test1(id int,name varchar(10)) engine=ndb ;
Query OK, 0 rows affected (0.15 sec)


mysql> insert into test1 values(1,'XYT');
Query OK, 1 row affected (0.02 sec)


mysql> select * from test1 ;
+------+------+
| id   | name |
+------+------+
|    1 | XYT  |
+------+------+
1 row in set (0.00 sec)

2 登陆node2数据结点,进行验证

mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| ndbinfo            |
| performance_schema |
| test               |
| zxztest            |
+--------------------+
6 rows in set (0.04 sec)


mysql> use zxztest;
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A


Database changed
mysql> select * from test1 ;
+------+------+
| id   | name |
+------+------+
|    1 | XYT  |
+------+------+
1 row in set (0.00 sec)
————————————————

参考:https://blog.csdn.net/xiayutai1/article/details/51933234

原文地址:https://www.cnblogs.com/cyanrose/p/11535549.html