org.springframework.boot.actuate.elasticsearch.ElasticsearchJestHealthIndicator Maven / Gradle / Ivy
/*
* Copyright 2012-2018 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.boot.actuate.elasticsearch;
import java.util.Map;
import io.searchbox.client.JestClient;
import io.searchbox.client.JestResult;
import org.springframework.boot.actuate.health.AbstractHealthIndicator;
import org.springframework.boot.actuate.health.Health;
import org.springframework.boot.actuate.health.HealthIndicator;
import org.springframework.boot.json.JsonParser;
import org.springframework.boot.json.JsonParserFactory;
/**
* {@link HealthIndicator} for Elasticsearch using a {@link JestClient}.
*
* @author Stephane Nicoll
* @author Julian Devia Serna
* @author Brian Clozel
* @since 2.0.0
*/
public class ElasticsearchJestHealthIndicator extends AbstractHealthIndicator {
private final JestClient jestClient;
private final JsonParser jsonParser = JsonParserFactory.getJsonParser();
public ElasticsearchJestHealthIndicator(JestClient jestClient) {
super("Elasticsearch health check failed");
this.jestClient = jestClient;
}
@Override
protected void doHealthCheck(Health.Builder builder) throws Exception {
JestResult healthResult = this.jestClient
.execute(new io.searchbox.cluster.Health.Builder().build());
if (healthResult.getResponseCode() != 200 || !healthResult.isSucceeded()) {
builder.down();
builder.withDetail("statusCode", healthResult.getResponseCode());
}
else {
Map response = this.jsonParser
.parseMap(healthResult.getJsonString());
String status = (String) response.get("status");
if (status.equals(io.searchbox.cluster.Health.Status.RED.getKey())) {
builder.outOfService();
}
else {
builder.up();
}
builder.withDetails(response);
}
}
}