聊聊NacosConfigHealthIndicatorAutoConfiguration

@Configuration
@ConditionalOnClass({ HealthIndicator.class })
@AutoConfigureBefore({ EndpointAutoConfiguration.class })
@AutoConfigureAfter(NacosConfigAutoConfiguration.class)
@ConditionalOnEnabledHealthIndicator(NacosConfigConstants.ENDPOINT_PREFIX)
public class NacosConfigHealthIndicatorAutoConfiguration {

@Bean
@ConditionalOnMissingBean
public NacosConfigHealthIndicator nacosConfigHealthIndicator() {
        return new NacosConfigHealthIndicator();
}

}

public class NacosConfigHealthIndicator extends AbstractHealthIndicator {
@Autowired
private ApplicationContext applicationContext;

private static final String UP_STATUS = "up";

@Override
protected void doHealthCheck(Health.Builder builder) throws Exception {
        builder.up();
        NacosServiceFactory nacosServiceFactory = CacheableEventPublishingNacosServiceFactory.getSingleton();
        for (ConfigService configService : nacosServiceFactory.getConfigServices()) {
            if (configService instanceof NacosServiceMetaData) {
                NacosServiceMetaData nacosServiceMetaData = (NacosServiceMetaData) configService;
                Properties properties = nacosServiceMetaData.getProperties();
                builder.withDetail(
                        JSON.toJSONString(
                                PropertiesUtils.extractSafeProperties(properties)),
                        configService.getServerStatus());
            }
            if (!configService.getServerStatus().toLowerCase().equals(UP_STATUS)) {
                builder.down();
            }
        }
}
}