springboot--自定义健康检查-创新互联

1、添加依赖

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            org.springframework.boot
            spring-boot-starter-actuator

2、通过实现HealthIndicator接口方式

@Component
public class MyHealthIndicator implements HealthIndicator {
    @Override
    public Health health() {
        // 检查通过(方式一新建对象)
        return new Health.Builder().withDetail("usercount", 10) //自定义监控内容
                .withDetail("userstatus", "up").up().build();
        // 检查失败(方式二静态方法)
        //return Health.down().withDetail("status", errorCode)
        //        .withDetail("message", "服务故障").build();
    }
}

3、通过继承AbstractHealthIndicator 方式

public class RedisHealthIndicator extends AbstractHealthIndicator {

    private static final String VERSION = "version";

    private static final String REDIS_VERSION = "redis_version";

    private final RedisConnectionFactory redisConnectionFactory;

    public RedisHealthIndicator(RedisConnectionFactory connectionFactory) {
        Assert.notNull(connectionFactory, "ConnectionFactory must not be null");
        this.redisConnectionFactory = connectionFactory;
    }

    @Override
    protected void doHealthCheck(Health.Builder builder) throws Exception {
        RedisConnection connection = RedisConnectionUtils
                .getConnection(this.redisConnectionFactory);
        try {
            if (connection instanceof RedisClusterConnection) {
                ClusterInfo clusterInfo = ((RedisClusterConnection) connection)
                        .clusterGetClusterInfo();
                builder.up().withDetail("cluster_size", clusterInfo.getClusterSize())
                        .withDetail("slots_up", clusterInfo.getSlotsOk())
                        .withDetail("slots_fail", clusterInfo.getSlotsFail());
            }
            else {
                Properties info = connection.info();
                builder.up().withDetail(VERSION, info.getProperty(REDIS_VERSION));
            }
        }
        finally {
            RedisConnectionUtils.releaseConnection(connection,
                    this.redisConnectionFactory);
        }
    }
}

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