001/* 002 * Copyright 2012-2017 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.boot.actuate.redis; 018 019import java.util.Properties; 020 021import reactor.core.publisher.Mono; 022 023import org.springframework.boot.actuate.health.AbstractReactiveHealthIndicator; 024import org.springframework.boot.actuate.health.Health; 025import org.springframework.boot.actuate.health.ReactiveHealthIndicator; 026import org.springframework.data.redis.connection.ReactiveRedisConnection; 027import org.springframework.data.redis.connection.ReactiveRedisConnectionFactory; 028 029/** 030 * A {@link ReactiveHealthIndicator} for Redis. 031 * 032 * @author Stephane Nicoll 033 * @author Mark Paluch 034 * @since 2.0.0 035 */ 036public class RedisReactiveHealthIndicator extends AbstractReactiveHealthIndicator { 037 038 private final ReactiveRedisConnectionFactory connectionFactory; 039 040 public RedisReactiveHealthIndicator( 041 ReactiveRedisConnectionFactory connectionFactory) { 042 this.connectionFactory = connectionFactory; 043 } 044 045 @Override 046 protected Mono<Health> doHealthCheck(Health.Builder builder) { 047 ReactiveRedisConnection connection = this.connectionFactory 048 .getReactiveConnection(); 049 return connection.serverCommands().info().map((info) -> up(builder, info)) 050 .doFinally((signal) -> connection.close()); 051 } 052 053 private Health up(Health.Builder builder, Properties info) { 054 return builder.up().withDetail(RedisHealthIndicator.VERSION, 055 info.getProperty(RedisHealthIndicator.REDIS_VERSION)).build(); 056 } 057 058}