Redis + Twemproxy + HAProxy 集群

一、配置Redis集群主机

由于测试条件有限，只采用两台 debian 虚拟机，各自部署两台 redis 实例，一台 master，一台 slave。

主机名称	IP地址	描述
server01	192.168.255.128	master：192.168.255.128:7000，slave：192.168.177.128:7003
server02	192.168.177.128	master：192.168.177.128:7004，slave：192.168.255.128:7001

• 修改配置
  以 192.168.255.128:7000（master）与 192.168.177.128:7003（slave）这对主从为例：
  192.168.255.128:7000：

  bind 192.168.255.128
  port 7000
  daemonize yes
  pidfile /root/redis_cluster/redis_7000/redis_7000.pid
  requirepass www.wave.com
  appendonly yes

  192.168.177.128:7003：

  bind 192.168.177.128
  port 7003
  daemonize yes
  pidfile /root/redis_cluster/redis_7003/redis_7003.pid
  replicaof 192.168.255.128 7000
  masterauth www.wave.com
  requirepass www.wave.com
  appendonly yes

• 启动 redis 实例
  为方便使用，编写 start.sh 脚本，一次性启动：

  192.168.255.128：

  #! /bin/bash
  
  cd ./redis_7000
  ./bin/redis-server ./etc/redis.conf
  
  cd ../redis_7001
  ./bin/redis-server ./etc/redis.conf
  

  192.168.177.128：

  #! /bin/bash
  
  cd ./redis_7003
  ./bin/redis-server ./etc/redis.conf
  
  cd ../redis_7004
  ./bin/redis-server ./etc/redis.conf
  

• 查看节点状态

  • ./redis-cli -h 192.168.255.128 -p 7000 -a www.wave.com info replication
  • ./redis-cli -h 192.168.255.128 -p 7001 -a www.wave.com info replication

二、twemproxy

• 下载源码：https://github.com/twitter/twemproxy/

• 安装包 autoconf、automake、libtool。
  源码下载地址：
  http://ftp.gnu.org/gnu/autoconf/
  http://ftp.gnu.org/gnu/automake/
  http://ftp.gnu.org/gnu/libtool/

  编译安装：

  ./configure
  make
  make install

  • 问题一：若在执行 make 命令编译 autoconf 源码时，出现错误：

  checking for GNU M4 that supports accurate traces… configure: error: no acceptable m4 could be found in $PATH.
  GNU M4 1.4.6 or later is required; 1.4.16 or newer is recommended.
  GNU M4 1.4.15 uses a buggy replacement strstr on some systems.
  Glibc 2.9 - 2.12 and GNU M4 1.4.11 - 1.4.15 have another strstr bug.

  解决方法：安装 m4 包
  源码下载地址：http://ftp.gnu.org/gnu/m4/

  • 问题二：若在执行 make 命令编译 autoconf 源码时，出现错误：

  Can’t locate Class/Struct.pm in @INC (you may need to install the Class::Struct module) (@INC contains: …/lib /etc/perl /usr/local/lib/i386-linux-gnu/perl/5.20.2 /usr/local/share/perl/5.20.2 /usr/lib/i386-linux-gnu/perl5/5.20 /usr/share/perl5 /usr/lib/i386-linux-gnu/perl/5.20 /usr/share/perl/5.20 /usr/local/lib/site_perl) at …/lib/Autom4te/Request.pm line 35.
  BEGIN failed–compilation aborted at …/lib/Autom4te/Request.pm line 35.
  Compilation failed in require at …/lib/Autom4te/C4che.pm line 34.
  BEGIN failed–compilation aborted at …/lib/Autom4te/C4che.pm line 34.
  Compilation failed in require at …/bin/autom4te line 37.
  BEGIN failed–compilation aborted at …/bin/autom4te line 37.
  Makefile:641: recipe for target ‘autoconf.in’ failed
  make[2]: *** [autoconf.in] Error 2
  make[2]: Leaving directory ‘/root/autoconf-2.69/bin’
  Makefile:357: recipe for target ‘all-recursive’ failed
  make[1]: *** [all-recursive] Error 1
  make[1]: Leaving directory ‘/root/autoconf-2.69’
  Makefile:292: recipe for target ‘all’ failed
  make: *** [all] Error 2

  解决方法：安装 perl 包
  源码下载地址：https://www.perl.org/get.html

  ./configure.gnu
  make && make install

  • 问题三：若在执行 autoreconf -fvi 命令生成 twemproxy 文件时，出现错误：

  Can’t exec “aclocal”: No such file or directory at /usr/local/share/autoconf/Autom4te/FileUtils.pm line 326.
  autoreconf: failed to run aclocal: No such file or directory

  解决方法：丢失的 aclocal 是 automake 包的一部分，安装 automake 包即可解决。

  • 问题四：若在执行 autoreconf -fvi 命令生成 twemproxy 文件时，出现错误：

    configure.ac:36: error: possibly undefined macro: AC_PROG_LIBTOOL
    If this token and others are legitimate, please use m4_pattern_allow.
    See the Autoconf documentation.
    autoreconf: /usr/local/bin/autoconf failed with exit status: 1

    解决方法：安装 libtool 包即可解决。

• 编译安装 twemproxy

  #生成相关文件
  autoreconf -fvi
  ./configure
  make && make install