Spring配置Redis
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redis.properties
redis.master.name=redis.master.nameredis.master.password=redis.master.passwordredis.master.timeout=100000redis.sentinel1.address=redis.sentinel1.address:8001redis.sentinel1.port=8001redis.sentinel2.address=redis.sentinel2.address:8001redis.sentinel2.port=8001redis.sentinel3.address=redis.sentinel3.address:8001redis.sentinel3.port=8001spring-redis-config.xml
<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:p="http://www.springframework.org/schema/p" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd"> <!-- ###### start Redis Configuration (Owner) ####### --> <!-- Redis Template --> <bean id="redisTemplate" class="com.sf.acsp.inv.core.redis.RedisTemplate"> <property name="redisDataSource" ref="redisDataSource" /> </bean> <bean id="redisDataSource" name="redisDataSource" class="com.sf.acsp.inv.core.redis.RedisDataSourceProvider"> <property name="shardedJedisPool" ref="shardedJedisSentinelPoolExt" /> </bean> <!-- Cluster Redis Configuration Pool --> <bean id="shardedJedisSentinelPoolExt" class="com.sf.acsp.inv.core.redis.ShardedJedisSentinelPoolExt"> <constructor-arg index="0"> <set> <value>${redis.master.name}</value> </set> </constructor-arg> <constructor-arg index="1"> <set> <value>${redis.sentinel1.address}</value> <value>${redis.sentinel2.address}</value> <value>${redis.sentinel3.address}</value> </set> </constructor-arg> <constructor-arg index="2" ref="jedisPoolConfig" /> <constructor-arg index="3" value="${redis.master.timeout}" type="int" /> <constructor-arg index="4" value="${redis.master.password}"/> </bean> <!--Jedis Pool Config--> <bean id="jedisPoolConfig" class="redis.clients.jedis.JedisPoolConfig"> <property name="maxTotal" value="1400" /> <property name="maxIdle" value="1000" /> <property name="numTestsPerEvictionRun" value="1024" /> <property name="timeBetweenEvictionRunsMillis" value="30000" /> <property name="minEvictableIdleTimeMillis" value="-1" /> <property name="softMinEvictableIdleTimeMillis" value="10000" /> <property name="maxWaitMillis" value="1500" /> <property name="testOnBorrow" value="true" /> <property name="testWhileIdle" value="true" /> <property name="testOnReturn" value="false" /> <property name="jmxEnabled" value="true" /> <property name="jmxNamePrefix" value="ucmp" /> <property name="blockWhenExhausted" value="false" /> </bean> <!-- ###### end Redis Configuration (Owner) ####### --></beans>RedisDataSource.java接口
import redis.clients.jedis.ShardedJedis;/** * Redis 数据连接池 * @author 872677 * */public interface RedisDataSource { /** * 获取redis客户端，用于执行redis命令 * @return redis客户端 */ public ShardedJedis getRedisClient(); /** * 将资源返回给pool * @param shardedJedis redis客户端 */ public void returnResource(ShardedJedis shardedJedis);}RedisDataSourceProvider.java实现类
import org.slf4j.Logger;import org.slf4j.LoggerFactory;import redis.clients.jedis.ShardedJedis;public class RedisDataSourceProvider implements RedisDataSource { private static final Logger logger = LoggerFactory.getLogger(RedisDataSourceProvider.class); private ShardedJedisSentinelPoolExt shardedJedisPool; @Override public ShardedJedis getRedisClient() { try { ShardedJedis jedis = shardedJedisPool.getResource(); return jedis; } catch (Exception t) { logger.error(t.getMessage(), t); } return null; } @Override public void returnResource(ShardedJedis shardedJedis) { try { shardedJedisPool.returnResourceObject(shardedJedis); } catch (Exception t) { logger.error(t.getMessage(), t); } } public void setShardedJedisPool(ShardedJedisSentinelPoolExt shardedJedisPool) { this.shardedJedisPool = shardedJedisPool; }}SharedJedisSentinelPoolExt.java
import org.apache.commons.pool2.PooledObject;import org.apache.commons.pool2.PooledObjectFactory;import org.apache.commons.pool2.impl.DefaultPooledObject;import org.apache.commons.pool2.impl.GenericObjectPoolConfig;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import redis.clients.jedis.*;import redis.clients.jedis.exceptions.JedisConnectionException;import redis.clients.util.Hashing;import redis.clients.util.Pool;import java.util.*;import java.util.concurrent.atomic.AtomicBoolean;import java.util.regex.Pattern;/** * Jedis不能同时支持Shareded和Sentinel。 * <p> * 并且是把单master改成多master，同时把Jedis改成ShardedJedis。 * 支持多主机集群 * * @author 872677 */public class ShardedJedisSentinelPoolExt extends Pool<ShardedJedis> { public static final int MAX_RETRY_SENTINEL = 10; private static final Logger logger = LoggerFactory.getLogger(ShardedJedisSentinelPoolExt.class); protected GenericObjectPoolConfig poolConfig; protected int timeout = Protocol.DEFAULT_TIMEOUT; private int sentinelRetry = 0; protected String password; protected int database = Protocol.DEFAULT_DATABASE; protected Set<MasterListener> masterListeners = new HashSet<MasterListener>(); private volatile List<HostAndPort> currentHostMasters; public ShardedJedisSentinelPoolExt(Set<String> masters, Set<String> sentinels) { this(masters, sentinels, new GenericObjectPoolConfig(), Protocol.DEFAULT_TIMEOUT, null, Protocol.DEFAULT_DATABASE); } public ShardedJedisSentinelPoolExt(Set<String> masters, Set<String> sentinels, String password) { this(masters, sentinels, new GenericObjectPoolConfig(), Protocol.DEFAULT_TIMEOUT, password); } public ShardedJedisSentinelPoolExt(final GenericObjectPoolConfig poolConfig, Set<String> masters, Set<String> sentinels) { this(masters, sentinels, poolConfig, Protocol.DEFAULT_TIMEOUT, null, Protocol.DEFAULT_DATABASE); } public ShardedJedisSentinelPoolExt(Set<String> masters, Set<String> sentinels, final GenericObjectPoolConfig poolConfig, int timeout, final String password) { this(masters, sentinels, poolConfig, timeout, password, Protocol.DEFAULT_DATABASE); } public ShardedJedisSentinelPoolExt(Set<String> masters, Set<String> sentinels, final GenericObjectPoolConfig poolConfig, final int timeout) { this(masters, sentinels, poolConfig, timeout, null, Protocol.DEFAULT_DATABASE); } public ShardedJedisSentinelPoolExt(Set<String> masters, Set<String> sentinels, final GenericObjectPoolConfig poolConfig, final String password) { this(masters, sentinels, poolConfig, Protocol.DEFAULT_TIMEOUT, password); } public ShardedJedisSentinelPoolExt(Set<String> masters, Set<String> sentinels, final GenericObjectPoolConfig poolConfig, int timeout, final String password, final int database) { this.poolConfig = poolConfig; this.timeout = timeout; this.password = password; this.database = database; List<String> convertList = new ArrayList<String>(masters); List<HostAndPort> masterList = initSentinels(sentinels, convertList); initPool(masterList); } public void destroy() { for (MasterListener m : masterListeners) { m.shutdown(); } super.destroy(); } public List<HostAndPort> getCurrentHostMaster() { return currentHostMasters; } private void initPool(List<HostAndPort> masters) { if (!equalsTwoHostAndPort(currentHostMasters, masters)) { // StringBuffer sb = new StringBuffer(); StringBuilder sb = new StringBuilder(); for (HostAndPort master : masters) { sb.append(master.toString()); sb.append(" "); } logger.info("Created ShardedJedisPool to master at [" + sb.toString() + "]"); List<JedisShardInfo> shardMasters = makeShardInfoList(masters); initPool(poolConfig, new ShardedJedisFactory(shardMasters, Hashing.MURMUR_HASH, null)); currentHostMasters = masters; } } private boolean equalsTwoHostAndPort(List<HostAndPort> currentShardMasters, List<HostAndPort> shardMasters) { if (currentShardMasters != null && shardMasters != null && currentShardMasters.size() == shardMasters.size()) { for (int i = 0; i < currentShardMasters.size(); i++) { if (!currentShardMasters.get(i).equals(shardMasters.get(i))) return false; } return true; } return false; } private List<JedisShardInfo> makeShardInfoList(List<HostAndPort> masters) { List<JedisShardInfo> shardMasters = new ArrayList<JedisShardInfo>(); for (HostAndPort master : masters) { JedisShardInfo jedisShardInfo = new JedisShardInfo(master.getHost(), master.getPort(), timeout); jedisShardInfo.setPassword(password); shardMasters.add(jedisShardInfo); } return shardMasters; } private List<HostAndPort> initSentinels(Set<String> sentinels, final List<String> masters) { Map<String, HostAndPort> masterMap = new HashMap<String, HostAndPort>(); List<HostAndPort> shardMasters = new ArrayList<HostAndPort>(); logger.info("Trying to find all master from available Sentinels..."); for (String masterName : masters) { HostAndPort master = null; boolean fetched = false; while (!fetched && sentinelRetry < MAX_RETRY_SENTINEL) { for (String sentinel : sentinels) { final HostAndPort hap = toHostAndPort(Arrays.asList(sentinel.split(":"))); logger.info("Connecting to Sentinel " + hap); try { @SuppressWarnings("resource") Jedis jedis = new Jedis(hap.getHost(), hap.getPort()); master = masterMap.get(masterName); if (master != null) { continue; } List<String> hostAndPort = jedis.sentinelGetMasterAddrByName(masterName); if (!hostAndPort.isEmpty()) { master = toHostAndPort(hostAndPort); logger.info("Found Redis master at " + master); shardMasters.add(master); masterMap.put(masterName, master); fetched = true; jedis.disconnect(); break; } } catch (JedisConnectionException e) { logger.error("Cannot connect to sentinel running @ " + hap + ". Trying next one.堆栈信息=" + e); } } if (null == master) { try { logger.info("All sentinels down, cannot determine where is " + masterName + " master is running... sleeping 1000ms, Will try again."); Thread.sleep(1000); } catch (InterruptedException e) { logger.error("错误信息={}，堆栈信息={}", e.getMessage(), e); } fetched = false; sentinelRetry++; } } // Try MAX_RETRY_SENTINEL times. // if (!fetched && sentinelRetry >= MAX_RETRY_SENTINEL) { if (!fetched) { logger.error("All sentinels down and try " + MAX_RETRY_SENTINEL + " times, Abort."); throw new JedisConnectionException("Cannot connect all sentinels, Abort."); } } // All shards master must been accessed. if (!masters.isEmpty() && masters.size() == shardMasters.size()) { logger.info("Starting Sentinel listeners..."); for (String sentinel : sentinels) { final HostAndPort hap = toHostAndPort(Arrays.asList(sentinel.split(":"))); MasterListener masterListener = new MasterListener(masters, hap.getHost(), hap.getPort()); masterListeners.add(masterListener); masterListener.start(); } } return shardMasters; } private HostAndPort toHostAndPort(List<String> getMasterAddrByNameResult) { String host = getMasterAddrByNameResult.get(0); int port = Integer.parseInt(getMasterAddrByNameResult.get(1)); return new HostAndPort(host, port); } /** * PoolableObjectFactory custom impl. */ protected static class ShardedJedisFactory implements PooledObjectFactory<ShardedJedis> { private List<JedisShardInfo> shards; private Hashing algo; private Pattern keyTagPattern; public ShardedJedisFactory(List<JedisShardInfo> shards, Hashing algo, Pattern keyTagPattern) { this.shards = shards; this.algo = algo; this.keyTagPattern = keyTagPattern; } public PooledObject<ShardedJedis> makeObject() throws Exception { ShardedJedis jedis = new ShardedJedis(shards, algo, keyTagPattern); return new DefaultPooledObject<ShardedJedis>(jedis); } public void destroyObject(PooledObject<ShardedJedis> pooledShardedJedis) throws Exception { final ShardedJedis shardedJedis = pooledShardedJedis.getObject(); for (Jedis jedis : shardedJedis.getAllShards()) { try { jedis.quit(); jedis.disconnect(); } catch (Exception e) { logger.error("destroyObject 失败,msg={},堆栈信息={}", e.getMessage(), e); } } } public boolean validateObject(PooledObject<ShardedJedis> pooledShardedJedis) { try { ShardedJedis jedis = pooledShardedJedis.getObject(); for (Jedis shard : jedis.getAllShards()) { if (!"PONG".equals(shard.ping())) { return false; } } return true; } catch (Exception ex) { logger.error("validateObject 失败,msg={},堆栈信息={}", ex.getMessage(), ex); return false; } } public void activateObject(PooledObject<ShardedJedis> p) { logger.info("empty method do sth"); } public void passivateObject(PooledObject<ShardedJedis> p) { logger.info("empty method do sth"); } } protected class JedisPubSubAdapter extends JedisPubSub { /* @Override public void onMessage(String channel, String message) { } @Override public void onPMessage(String pattern, String channel, String message) { } @Override public void onPSubscribe(String pattern, int subscribedChannels) { } @Override public void onPUnsubscribe(String pattern, int subscribedChannels) { } @Override public void onSubscribe(String channel, int subscribedChannels) { } @Override public void onUnsubscribe(String channel, int subscribedChannels) { }*/ } protected class MasterListener extends Thread { protected List<String> masters; protected String host; protected int port; protected long subscribeRetryWaitTimeMillis = 5000; protected Jedis jedis; protected AtomicBoolean running = new AtomicBoolean(false); protected MasterListener() { } public MasterListener(List<String> masters, String host, int port) { this.masters = masters; this.host = host; this.port = port; } public MasterListener(List<String> masters, String host, int port, long subscribeRetryWaitTimeMillis) { this(masters, host, port); this.subscribeRetryWaitTimeMillis = subscribeRetryWaitTimeMillis; } @Override public void run() { running.set(true); while (running.get()) { jedis = new Jedis(host, port); try { jedis.subscribe(new JedisPubSubAdapter() { @Override public void onMessage(String channel, String message) { logger.info("Sentinel " + host + ":" + port + " published: " + message + "."); String[] switchMasterMsg = message.split(" "); if (switchMasterMsg.length > 3) { int index = masters.indexOf(switchMasterMsg[0]); if (index >= 0) { HostAndPort newHostMaster = toHostAndPort(Arrays.asList(switchMasterMsg[3], switchMasterMsg[4])); List<HostAndPort> newHostMasters = new ArrayList<HostAndPort>(); for (int i = 0; i < masters.size(); i++) { newHostMasters.add(null); } Collections.copy(newHostMasters, currentHostMasters); newHostMasters.set(index, newHostMaster); initPool(newHostMasters); } else { StringBuilder sb = new StringBuilder(); for (String masterName : masters) { sb.append(masterName); sb.append(","); } logger.info("Ignoring message on +switch-master for master name " + switchMasterMsg[0] + ", our monitor master name are [" + sb + "]"); } } else { logger.error("Invalid message received on Sentinel " + host + ":" + port + " on channel +switch-master: " + message); } } }, "+switch-master"); } catch (JedisConnectionException e) { logger.error("JedisConnectionException e msg={},堆栈信息={}", e.getMessage(), e); if (running.get()) { logger.error("Lost connection to Sentinel at " + host + ":" + port + ". Sleeping 5000ms and retrying."); try { Thread.sleep(subscribeRetryWaitTimeMillis); } catch (InterruptedException e1) { // e1.printStackTrace(); logger.error("JedisConnectionException e1 msg={},堆栈信息={}", e.getMessage(), e1); } } else { logger.info("Unsubscribing from Sentinel at " + host + ":" + port); } } } } public void shutdown() { try { logger.info("Shutting down listener on " + host + ":" + port); running.set(false); // This isn't good, the Jedis object is not thread safe jedis.disconnect(); } catch (Exception e) { logger.error("Caught exception while shutting down: " + e.getMessage() + ",堆栈信息=" + e); } } }}阅读全文
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