Codis学习笔记--Codis的安装

什么是Codis?

Codis是一个基于代理的高性能的分布式Redis解决方案,对于上层应用来说,连接到Codis Proxy和连接原生的Redis Server没有显著区别(只是不支持部分命令)。使用go语言开发。

Codis的GitHub地址:https://github.com/CodisLabs/codis

Codis官方架构图

Codis学习笔记--Codis的安装_第1张图片

Codis 3.x 由以下组件组成:

Codis Dashboard、Codis Proxy、Codis Server、Codis Admin、Codis FE、Storage

1、安装jdk、zookeeper

下载、解压

tar -zxvf jdk-8u181-linux-x64.tar.gz

tar -zxvf zookeeper-3.4.12.tar.gz

2、安装go运行环境(codis用go语言写的)

下载地址:https://studygolang.com/dl/golang/go1.9.1.linux-amd64.tar.gz

解压:

tar -zxvf go1.9.1.linux-amd64.tar.gz

3、配置环境变量

vim /etc/profile

在/etc/profile文件末尾添加:

export GOROOT=/apps/go #go根目录,根据自己实际安装目录配
export GOPATH=/apps/codis #go项目所在目录,因为现在我们要安装Codis,所以这里配codis
export JAVA_HOME=/usr/local/jdk
export CLASS_PATH=.:$JAVA_HOME/lib:$JAVA_HOME/jre/lib
export ZOOKEEPER_HOME=/usr/local/zookeeper-3.4.6
export PATH=$PATH:$GOROOT/bin:$JAVA_HOME/bin:$ZOOKEEPER_HOME/bin

#查看环境变量
[root@iZwz977ogd6jecq7rowvtsZ apps]# env |egrep -i "GOPATH|JAVA_HOME" 
JAVA_HOME=/apps/jdk1.8.0_181
GOPATH=/apps/gopath

验证go环境是否安装成功:

[root@iZwz977ogd6jecq7rowvtsZ apps]# go version
go version go1.9.1 linux/amd64

验证go是否能正常运行:

创建hello.go文件,

[root@iZwz977ogd6jecq7rowvtsZ apps]# cat > hello.go
package main
    import "fmt"

    func main(){
        fmt.Printf("hello,world\n")
 }

运行hello.go成功说明go能正常使用了:

[root@iZwz977ogd6jecq7rowvtsZ apps]# go run hello.go
hello,world

4、安装Codis

安装git:

[root@iZwz977ogd6jecq7rowvtsZ apps]# yum install -y git

下载Codis源码:

Codis源码需要下载到:$GOPATH/src/github.com/CodisLabs

[root@iZwz977ogd6jecq7rowvtsZ codis]# mkdir -p $GOPATH/src/github.com/CodisLabs

[root@iZwz977ogd6jecq7rowvtsZ codis]# cd src/github.com/CodisLabs/
[root@iZwz977ogd6jecq7rowvtsZ codis]# git clone https://github.com/CodisLabs/codis.git -b release3.2

编译Codis源码:

进入下载目录执行make命令进行编译,它会搜索Makefile文件并执行其中的指令

[root@iZwz977ogd6jecq7rowvtsZ wandoulabs]# cd codis/
[root@iZwz977ogd6jecq7rowvtsZ codis]# ls
admin    cmd     deploy  Dockerfile  extern  kubernetes  MIT-LICENSE.txt  README.md  vendor   wandoujia_license.txt
ansible  config  doc     example     Godeps  Makefile    pkg              scripts    version
[root@iZwz977ogd6jecq7rowvtsZ codis]# pwd
/apps/codis/src/github.com/wandoulabs/codis
[root@iZwz977ogd6jecq7rowvtsZ codis]# make

.....

make[2]: Leaving directory `/apps/codis/src/github.com/wandoulabs/codis/extern/redis-3.2.11/src'
make[1]: Leaving directory `/apps/codis/src/github.com/wandoulabs/codis/extern/redis-3.2.11'
autoconf
./autogen.sh: line 5: autoconf: command not found
Error 0 in autoconf
make[2]: *** [config] Error 1
make[1]: *** [build] Error 2
make: *** [codis-deps] Error 2
[root@iZwz977ogd6jecq7rowvtsZ codis]# 

  编译过程中报错:找不到autoconf命令,解决办法:安装autoconf,然后重新编译

[root@iZwz977ogd6jecq7rowvtsZ codis]# yum install autoconf

重新编译又报下面的错误,原因是由于安装的go版本太低,重新安装高版本即可解决 

go build -i -o bin/codis-dashboard ./cmd/dashboard
pkg/topom/config.go:9:2: cannot find package "github.com/BurntSushi/toml" in any of:
/root/tools/go/src/github.com/BurntSushi/toml (from $GOROOT)
/root/tools/gopkg/src/github.com/BurntSushi/toml (from $GOPATH)
...
make: *** [codis-dashboard] Error 1

成功编译结果如下,在Codis的bin目录下可以看到Codis的几个核心组件:

[root@iZwz977ogd6jecq7rowvtsZ codis]# make
make -j4 -C extern/redis-3.2.11/
make[1]: Entering directory `/apps/codis/src/github.com/CodisLabs/codis/extern/redis-3.2.11'
cd src && make all
make[2]: Entering directory `/apps/codis/src/github.com/CodisLabs/codis/extern/redis-3.2.11/src'

Hint: It's a good idea to run 'make test' ;)

make[2]: Leaving directory `/apps/codis/src/github.com/CodisLabs/codis/extern/redis-3.2.11/src'
make[1]: Leaving directory `/apps/codis/src/github.com/CodisLabs/codis/extern/redis-3.2.11'
go build -i -o bin/codis-dashboard ./cmd/dashboard
go build -i -tags "cgo_jemalloc" -o bin/codis-proxy ./cmd/proxy
go build -i -o bin/codis-admin ./cmd/admin
go build -i -o bin/codis-ha ./cmd/ha
go build -i -o bin/codis-fe ./cmd/fe


[root@iZwz977ogd6jecq7rowvtsZ codis]# ls bin/
assets       codis-dashboard  codis-ha     codis-server     redis-cli       version
codis-admin  codis-fe         codis-proxy  redis-benchmark  redis-sentinel

 

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