springboot 集成culster-redis集群 doc

2020-03-18  本文已影响0人  楚长铭

doker搭建redis- culster集群

docker pull redis

docker network create redis-net

docker network ls
docker network inspect redis-net

port ${PORT}
cluster-enabled yes
cluster-config-file nodes.conf
cluster-node-timeout 5000
cluster-announce-ip 宿主机ip地址
cluster-announce-port ${PORT}
cluster-announce-bus-port 1${PORT}
appendonly yes

port:节点端口,即对外提供通信的端口
cluster-enabled:是否启用集群
cluster-config-file:集群配置文件
cluster-node-timeout:连接超时时间
cluster-announce-ip:集群各节点IP地址
cluster-announce-port:集群节点映射端口
cluster-announce-bus-port:集群总线端口
appendonly:持久化模式

for port in $(seq 8010 8015); \
do \
  mkdir -p ./${port}/conf  \
  && PORT=${port} envsubst < ./redis-cluster.tmpl > ./${port}/conf/redis.conf \
  && mkdir -p ./${port}/data; \
done
for port in $(seq 8010 8015); \
do \
   docker run -it -d -p ${port}:${port} -p 1${port}:1${port} \
  --privileged=true -v /WorkSpace/redis/${port}/conf/redis.conf:/usr/local/etc/redis/redis.conf \
  --privileged=true -v /WorkSpace/redis/${port}/data:/data \
  --restart always --name redis-${port} --net redis-net \
  --sysctl net.core.somaxconn=1024 redis redis-server /usr/local/etc/redis/redis.conf; \
done

docker exec -it redis-8010 bash

cd /usr/local/bin/

redis-cli --cluster create 宿主机ip:8010 宿主机ip:8011 ……

注意

Mac os下使用命令来生成文件和docker容器有可能报错

-bash: envsubst: command not found

需要升级下Homebrew,然后使用命令

brew upgrade gettext
brew link --force gettext 

可能出现权限不足的情况

You should change the ownership of these directories to your user.
  sudo chown -R $(whoami) /usr/local/include /usr/local/lib /usr/local/lib/pkgconfig

将sudo后面的东西复制下来 执行一次,输入密码即可


springboot 集成redis集群

依赖

dependencies {
    implementation 'org.springframework.boot:spring-boot-starter-data-redis'
    implementation 'org.springframework.boot:spring-boot-starter-web'
    implementation 'redis.clients:jedis'
    compileOnly 'org.projectlombok:lombok'
    annotationProcessor 'org.projectlombok:lombok'
    testImplementation('org.springframework.boot:spring-boot-starter-test') {
        exclude group: 'org.junit.vintage', module: 'junit-vintage-engine'
    }
}

配置

server:
  port: 4010
spring:
  application:
    name: cluster-redis-project
  redis:
    cluster:
      nodes: 宿主机ip:8010,宿主机ip:8011,……

redis的使用

@EnableCaching
@SpringBootApplication
public class ClusterRedisProjectApplication {

    public static void main(String[] args) {
        SpringApplication.run(ClusterRedisProjectApplication.class, args);
    }

}
@RestController
public class ClusterRedisController {

    @Resource
    private RedisTemplate<String, Object> redisTemplate;

    @GetMapping("/")
    public String serValue(@Param("name") String name, @Param("value") String value) {
        redisTemplate.boundValueOps(name).set(value);
        return "成功";
    }


    @GetMapping("/get")
    public Object getValue(@Param("name") String name){
        return redisTemplate.boundValueOps(name).get();
    }

}
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