io.kgraph.rest.server.actuator.KafkaHealthIndicator Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* 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,
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* See the License for the specific language governing permissions and
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package io.kgraph.rest.server.actuator;
import java.util.Properties;
import org.apache.kafka.clients.admin.AdminClient;
import org.apache.kafka.clients.admin.DescribeClusterOptions;
import org.apache.kafka.clients.admin.DescribeClusterResult;
import org.springframework.boot.actuate.health.Health;
import org.springframework.boot.actuate.health.ReactiveHealthIndicator;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.stereotype.Component;
import io.kgraph.rest.server.KafkaGraphsProperties;
import reactor.core.publisher.Mono;
@Component
@EnableConfigurationProperties(KafkaGraphsProperties.class)
public class KafkaHealthIndicator implements ReactiveHealthIndicator {
private final KafkaGraphsProperties props;
public KafkaHealthIndicator(KafkaGraphsProperties props) {
this.props = props;
}
@Override
public Mono health() {
Health.Builder builder = new Health.Builder();
Properties properties = new Properties();
properties.put("bootstrap.servers", props.getBootstrapServers());
try (AdminClient adminClient = AdminClient.create(properties)) {
DescribeClusterResult result = adminClient.describeCluster(new DescribeClusterOptions().timeoutMs(3000));
builder.withDetail("clusterId", result.clusterId().get());
builder.up();
} catch (Exception e) {
builder.down();
}
return Mono.just(builder.build());
}
}