Redis Sentinel安装与部署，实现redis的高可用

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>com.lee</groupId>
    <artifactId>redis</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>jar</packaging>

    <name>redis</name>
    <url>http://maven.apache.org</url>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    </properties>

    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>1.5.9.RELEASE</version>
    </parent>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-redis</artifactId>
        </dependency>
        
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        
        <!-- 日志过滤器 -->
        <dependency>
            <groupId>org.codehaus.janino</groupId>
            <artifactId>janino</artifactId>
        </dependency>
    </dependencies>
</project>

redis.masterName=mymaster
redis.sentinels=192.168.11.202:26379,192.168.11.202:26380,192.168.11.202:26381
redis.timeout=10000
#连接master需要用到的密码，如果redis数据节点开启了连接认证
redis.password=myredis

# 连接池
# 连接池最大连接数（使用负值表示没有限制）
redis.pool.maxActive=150
# 连接池中的最大空闲连接
redis.pool.maxIdle=10
# 连接池中的最小空闲连接
redis.pool.minIdle=1
# 获取连接时的最大等待毫秒数,小于零:阻塞不确定的时间,默认-1
redis.pool.maxWaitMillis=3000
# 每次释放连接的最大数目
redis.pool.numTestsPerEvictionRun=50
# 释放连接的扫描间隔（毫秒）
redis.pool.timeBetweenEvictionRunsMillis=3000
# 连接最小空闲时间（毫秒）
redis.pool.minEvictableIdleTimeMillis=1800000
# 连接空闲多久后释放, 当空闲时间>该值 且 空闲连接>最大空闲连接数 时直接释放（毫秒）
redis.pool.softMinEvictableIdleTimeMillis=10000
# 在获取连接的时候检查有效性, 默认false
redis.pool.testOnBorrow=true
# 在空闲时检查有效性, 默认false
redis.pool.testWhileIdle=true
# 在归还给pool时，是否提前进行validate操作
redis.pool.testOnReturn=true
# 连接耗尽时是否阻塞, false报异常,ture阻塞直到超时, 默认true
redis.pool.blockWhenExhausted=true

package com.lee.redis.config;

import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;

import redis.clients.jedis.JedisPoolConfig;
import redis.clients.jedis.JedisSentinelPool;

@Configuration
@PropertySource("redis/redis-sentinel.properties")
public class RedisConfig {
    private static final Logger LOGGER = LoggerFactory.getLogger(RedisConfig.class);
    
    @Value("${redis.masterName}")
    private String masterName;
    @Value("${redis.sentinels}")
    private String sentinels;
    @Value("${redis.timeout}")
    private int timeout;
    @Value("${redis.password}")
    private String password;
    
    @Value("${redis.pool.maxActive}")
    private int maxTotal;

    @Value("${redis.pool.maxIdle}")
    private int maxIdle;

    @Value("${redis.pool.minIdle}")
    private int minIdle;

    @Value("${redis.pool.maxWaitMillis}")
    private long maxWaitMillis;

    @Value("${redis.pool.numTestsPerEvictionRun}")
    private int numTestsPerEvictionRun;

    @Value("${redis.pool.timeBetweenEvictionRunsMillis}")
    private long timeBetweenEvictionRunsMillis;

    @Value("${redis.pool.minEvictableIdleTimeMillis}")
    private long minEvictableIdleTimeMillis;

    @Value("${redis.pool.softMinEvictableIdleTimeMillis}")
    private long softMinEvictableIdleTimeMillis;

    @Value("${redis.pool.testOnBorrow}")
    private boolean testOnBorrow;

    @Value("${redis.pool.testWhileIdle}")
    private boolean testWhileIdle;

    @Value("${redis.pool.testOnReturn}")
    private boolean testOnReturn;

    @Value("${redis.pool.blockWhenExhausted}")
    private boolean blockWhenExhausted;
    
    @SuppressWarnings({ "unchecked", "rawtypes" })
    @Bean
    public JedisSentinelPool jedisSentinelPool(JedisPoolConfig poolConfig) {
        LOGGER.info("sentinel set : {}", sentinels);
        Set sentinelSet = new HashSet(Arrays.asList(sentinels.split(",")));
        JedisSentinelPool jedisPool = new JedisSentinelPool(masterName, sentinelSet, poolConfig, timeout, password);
        return jedisPool;
    }
    
    @Bean
    public JedisPoolConfig jedisPoolConfig() {
        JedisPoolConfig jedisPoolConfig = new JedisPoolConfig();
        jedisPoolConfig.setMaxTotal(maxTotal);
        jedisPoolConfig.setMaxIdle(maxIdle);
        jedisPoolConfig.setMinIdle(minIdle);
        jedisPoolConfig.setMaxWaitMillis(maxWaitMillis);
        jedisPoolConfig.setNumTestsPerEvictionRun(numTestsPerEvictionRun);
        jedisPoolConfig
                .setTimeBetweenEvictionRunsMillis(timeBetweenEvictionRunsMillis);
        jedisPoolConfig
                .setMinEvictableIdleTimeMillis(minEvictableIdleTimeMillis);
        jedisPoolConfig
                .setSoftMinEvictableIdleTimeMillis(softMinEvictableIdleTimeMillis);
        jedisPoolConfig.setTestOnBorrow(testOnBorrow);
        jedisPoolConfig.setTestWhileIdle(testWhileIdle);
        jedisPoolConfig.setTestOnReturn(testOnReturn);
        jedisPoolConfig.setBlockWhenExhausted(blockWhenExhausted);

        return jedisPoolConfig;
    }
}

package com.lee.redis;

import org.springframework.boot.Banner;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;

@Configuration
@EnableAutoConfiguration
@ComponentScan
public class Application {

    public static void main(String[] args) {
        
        SpringApplication app = new SpringApplication(Application.class);
        app.setBannerMode(Banner.Mode.OFF);            // 是否打印banner
        // app.setApplicationContextClass();        // 指定spring应用上下文启动类
        app.setWebEnvironment(false);
        app.run(args);
    }
}

package com.lee.redis;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;

import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisSentinelPool;

@RunWith(SpringRunner.class)
@SpringBootTest(classes = Application.class)
public class RedisTest {

    private static final Logger LOGGER = LoggerFactory.getLogger(RedisTest.class);
    
    @Autowired
    private JedisSentinelPool sentinelPool;
    
    @Test
    public void getNameTest() {
        Jedis jedis = null;
        try {
            jedis = sentinelPool.getResource();
            String name = jedis.get("name");
            System.out.println("name is " + name);
        } catch(Exception e) {
            LOGGER.error(e.getMessage(), e);
        } finally {
            if (jedis != null) {
                jedis.close();
            }
        }
        
    }
    
}