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Polish alibaba/spring-cloud-alibaba/#902 : [Nacos Discovery] create NacosDiscoveryHealthIndicator

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mercyblitz 2020-02-04 16:21:55 +08:00
parent f6e8482e2c
commit d1e4711e98
2 changed files with 70 additions and 0 deletions
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61
spring-cloud-alibaba-nacos-discovery/src/main/java/com/alibaba/cloud/nacos/discovery/actuate/health/NacosDiscoveryHealthIndicator.java Normal file
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@ -0,0 +1,61 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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
*
* http://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 com.alibaba.cloud.nacos.discovery.actuate.health;
import com.alibaba.cloud.nacos.NacosDiscoveryProperties;
import com.alibaba.nacos.api.naming.NamingService;
import org.springframework.boot.actuate.health.AbstractHealthIndicator;
import org.springframework.boot.actuate.health.Health;
import org.springframework.boot.actuate.health.HealthIndicator;
/**
* The {@link HealthIndicator} for Nacos Discovery
*
* @since 2.2.0
*
* @see HealthIndicator
*/
public class NacosDiscoveryHealthIndicator extends AbstractHealthIndicator {
private final NacosDiscoveryProperties nacosDiscoveryProperties;
public NacosDiscoveryHealthIndicator(
NacosDiscoveryProperties nacosDiscoveryProperties) {
this.nacosDiscoveryProperties = nacosDiscoveryProperties;
}
@Override
protected void doHealthCheck(Health.Builder builder) throws Exception {
NamingService namingService = nacosDiscoveryProperties.namingServiceInstance();
// Just return "UP" or "DOWN"
String status = namingService.getServerStatus();
// Set the status to Builder
builder.status(status);
switch (status) {
case "UP":
builder.up();
break;
case "DOWN":
builder.down();
break;
default:
builder.unknown();
break;
}
}
}

9
spring-cloud-alibaba-nacos-discovery/src/main/java/com/alibaba/cloud/nacos/endpoint/NacosDiscoveryEndpointAutoConfiguration.java
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@ -18,9 +18,12 @@ package com.alibaba.cloud.nacos.endpoint;
import com.alibaba.cloud.nacos.ConditionalOnNacosDiscoveryEnabled;
import com.alibaba.cloud.nacos.NacosDiscoveryProperties;
import com.alibaba.cloud.nacos.discovery.actuate.health.NacosDiscoveryHealthIndicator;
import org.springframework.boot.actuate.autoconfigure.endpoint.condition.ConditionalOnEnabledEndpoint;
import org.springframework.boot.actuate.autoconfigure.health.ConditionalOnEnabledHealthIndicator;
import org.springframework.boot.actuate.endpoint.annotation.Endpoint;
import org.springframework.boot.actuate.health.HealthIndicator;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.context.annotation.Bean;
@ -42,4 +45,10 @@ public class NacosDiscoveryEndpointAutoConfiguration {
return new NacosDiscoveryEndpoint(nacosDiscoveryProperties);
}
@Bean
@ConditionalOnEnabledHealthIndicator("nacos-discovery")
public HealthIndicator nacosDiscoveryHealthIndicator(
NacosDiscoveryProperties nacosDiscoveryProperties) {
return new NacosDiscoveryHealthIndicator(nacosDiscoveryProperties);
}
}