spring-data-redis RedisSentinelConfiguration 源码
spring-data-redis RedisSentinelConfiguration 代码
文件路径:/src/main/java/org/springframework/data/redis/connection/RedisSentinelConfiguration.java
/*
* Copyright 2014-2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.data.redis.connection;
import static org.springframework.util.StringUtils.*;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Set;
import org.springframework.core.env.MapPropertySource;
import org.springframework.core.env.PropertySource;
import org.springframework.data.redis.connection.RedisConfiguration.SentinelConfiguration;
import org.springframework.lang.Nullable;
import org.springframework.util.Assert;
import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;
/**
* Configuration class used for setting up {@link RedisConnection} via {@link RedisConnectionFactory} using connecting
* to <a href="https://redis.io/topics/sentinel">Redis Sentinel(s)</a>. Useful when setting up a high availability Redis
* environment.
*
* @author Christoph Strobl
* @author Thomas Darimont
* @author Mark Paluch
* @author Vikas Garg
* @since 1.4
*/
public class RedisSentinelConfiguration implements RedisConfiguration, SentinelConfiguration {
private static final String REDIS_SENTINEL_MASTER_CONFIG_PROPERTY = "spring.redis.sentinel.master";
private static final String REDIS_SENTINEL_NODES_CONFIG_PROPERTY = "spring.redis.sentinel.nodes";
private static final String REDIS_SENTINEL_USERNAME_CONFIG_PROPERTY = "spring.redis.sentinel.username";
private static final String REDIS_SENTINEL_PASSWORD_CONFIG_PROPERTY = "spring.redis.sentinel.password";
private @Nullable NamedNode master;
private Set<RedisNode> sentinels;
private int database;
private @Nullable String dataNodeUsername = null;
private @Nullable String sentinelUsername = null;
private RedisPassword dataNodePassword = RedisPassword.none();
private RedisPassword sentinelPassword = RedisPassword.none();
/**
* Creates new {@link RedisSentinelConfiguration}.
*/
public RedisSentinelConfiguration() {
this(new MapPropertySource("RedisSentinelConfiguration", Collections.emptyMap()));
}
/**
* Creates {@link RedisSentinelConfiguration} for given hostPort combinations.
*
* <pre>
* sentinelHostAndPorts[0] = 127.0.0.1:23679 sentinelHostAndPorts[1] = 127.0.0.1:23680 ...
* </pre>
*
* @param sentinelHostAndPorts must not be {@literal null}.
* @since 1.5
*/
public RedisSentinelConfiguration(String master, Set<String> sentinelHostAndPorts) {
this(new MapPropertySource("RedisSentinelConfiguration", asMap(master, sentinelHostAndPorts)));
}
/**
* Creates {@link RedisSentinelConfiguration} looking up values in given {@link PropertySource}.
*
* <pre>
* <code>
* spring.redis.sentinel.master=myMaster
* spring.redis.sentinel.nodes=127.0.0.1:23679,127.0.0.1:23680,127.0.0.1:23681
* </code>
* </pre>
*
* @param propertySource must not be {@literal null}.
* @since 1.5
*/
public RedisSentinelConfiguration(PropertySource<?> propertySource) {
Assert.notNull(propertySource, "PropertySource must not be null");
this.sentinels = new LinkedHashSet<>();
if (propertySource.containsProperty(REDIS_SENTINEL_MASTER_CONFIG_PROPERTY)) {
this.setMaster(propertySource.getProperty(REDIS_SENTINEL_MASTER_CONFIG_PROPERTY).toString());
}
if (propertySource.containsProperty(REDIS_SENTINEL_NODES_CONFIG_PROPERTY)) {
appendSentinels(
commaDelimitedListToSet(propertySource.getProperty(REDIS_SENTINEL_NODES_CONFIG_PROPERTY).toString()));
}
if (propertySource.containsProperty(REDIS_SENTINEL_PASSWORD_CONFIG_PROPERTY)) {
this.setSentinelPassword(propertySource.getProperty(REDIS_SENTINEL_PASSWORD_CONFIG_PROPERTY).toString());
}
if (propertySource.containsProperty(REDIS_SENTINEL_USERNAME_CONFIG_PROPERTY)) {
this.setSentinelUsername(propertySource.getProperty(REDIS_SENTINEL_USERNAME_CONFIG_PROPERTY).toString());
}
}
/**
* Set {@literal Sentinels} to connect to.
*
* @param sentinels must not be {@literal null}.
*/
public void setSentinels(Iterable<RedisNode> sentinels) {
Assert.notNull(sentinels, "Cannot set sentinels to 'null'");
this.sentinels.clear();
for (RedisNode sentinel : sentinels) {
addSentinel(sentinel);
}
}
public Set<RedisNode> getSentinels() {
return Collections.unmodifiableSet(sentinels);
}
/**
* Add sentinel.
*
* @param sentinel must not be {@literal null}.
*/
public void addSentinel(RedisNode sentinel) {
Assert.notNull(sentinel, "Sentinel must not be 'null'");
this.sentinels.add(sentinel);
}
public void setMaster(NamedNode master) {
Assert.notNull(master, "Sentinel master node must not be 'null'");
this.master = master;
}
public NamedNode getMaster() {
return master;
}
/**
* @see #setMaster(String)
* @param master The master node name.
* @return this.
*/
public RedisSentinelConfiguration master(String master) {
this.setMaster(master);
return this;
}
/**
* @see #setMaster(NamedNode)
* @param master the master node
* @return this.
*/
public RedisSentinelConfiguration master(NamedNode master) {
this.setMaster(master);
return this;
}
/**
* @see #addSentinel(RedisNode)
* @param sentinel the node to add as sentinel.
* @return this.
*/
public RedisSentinelConfiguration sentinel(RedisNode sentinel) {
this.addSentinel(sentinel);
return this;
}
/**
* @see #sentinel(RedisNode)
* @param host redis sentinel node host name or ip.
* @param port redis sentinel port.
* @return this.
*/
public RedisSentinelConfiguration sentinel(String host, Integer port) {
return sentinel(new RedisNode(host, port));
}
private void appendSentinels(Set<String> hostAndPorts) {
for (String hostAndPort : hostAndPorts) {
addSentinel(readHostAndPortFromString(hostAndPort));
}
}
@Override
public int getDatabase() {
return database;
}
@Override
public void setDatabase(int index) {
Assert.isTrue(index >= 0, () -> String.format("Invalid DB index '%s' (a positive index required)", index));
this.database = index;
}
@Override
public void setUsername(@Nullable String username) {
this.dataNodeUsername = username;
}
@Nullable
@Override
public String getUsername() {
return this.dataNodeUsername;
}
@Override
public RedisPassword getPassword() {
return dataNodePassword;
}
@Override
public void setPassword(RedisPassword password) {
Assert.notNull(password, "RedisPassword must not be null");
this.dataNodePassword = password;
}
@Nullable
@Override
public String getSentinelUsername() {
return this.sentinelUsername;
}
@Override
public void setSentinelUsername(@Nullable String sentinelUsername) {
this.sentinelUsername = sentinelUsername;
}
@Override
public void setSentinelPassword(RedisPassword sentinelPassword) {
Assert.notNull(sentinelPassword, "SentinelPassword must not be null");
this.sentinelPassword = sentinelPassword;
}
@Override
public RedisPassword getSentinelPassword() {
return sentinelPassword;
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (!(o instanceof RedisSentinelConfiguration)) {
return false;
}
RedisSentinelConfiguration that = (RedisSentinelConfiguration) o;
if (database != that.database) {
return false;
}
if (!ObjectUtils.nullSafeEquals(master, that.master)) {
return false;
}
if (!ObjectUtils.nullSafeEquals(sentinels, that.sentinels)) {
return false;
}
if (!ObjectUtils.nullSafeEquals(dataNodeUsername, that.dataNodeUsername)) {
return false;
}
if (!ObjectUtils.nullSafeEquals(dataNodePassword, that.dataNodePassword)) {
return false;
}
if (!ObjectUtils.nullSafeEquals(sentinelUsername, that.sentinelUsername)) {
return false;
}
return ObjectUtils.nullSafeEquals(sentinelPassword, that.sentinelPassword);
}
@Override
public int hashCode() {
int result = ObjectUtils.nullSafeHashCode(master);
result = 31 * result + ObjectUtils.nullSafeHashCode(sentinels);
result = 31 * result + database;
result = 31 * result + ObjectUtils.nullSafeHashCode(dataNodeUsername);
result = 31 * result + ObjectUtils.nullSafeHashCode(dataNodePassword);
result = 31 * result + ObjectUtils.nullSafeHashCode(sentinelUsername);
result = 31 * result + ObjectUtils.nullSafeHashCode(sentinelPassword);
return result;
}
private RedisNode readHostAndPortFromString(String hostAndPort) {
String[] args = split(hostAndPort, ":");
Assert.notNull(args, "HostAndPort need to be separated by ':'");
Assert.isTrue(args.length == 2, "Host and Port String needs to specified as host:port");
return new RedisNode(args[0], Integer.valueOf(args[1]).intValue());
}
/**
* @param master must not be {@literal null} or empty.
* @param sentinelHostAndPorts must not be {@literal null}.
* @return configuration map.
*/
private static Map<String, Object> asMap(String master, Set<String> sentinelHostAndPorts) {
Assert.hasText(master, "Master address must not be null or empty");
Assert.notNull(sentinelHostAndPorts, "SentinelHostAndPorts must not be null");
Assert.noNullElements(sentinelHostAndPorts, "ClusterHostAndPorts must not contain null elements");
Map<String, Object> map = new HashMap<>();
map.put(REDIS_SENTINEL_MASTER_CONFIG_PROPERTY, master);
map.put(REDIS_SENTINEL_NODES_CONFIG_PROPERTY, StringUtils.collectionToCommaDelimitedString(sentinelHostAndPorts));
return map;
}
}
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