com.github.autoscaler.core.ScalerHealthCheck Maven / Gradle / Ivy
/*
* Copyright 2015-2024 Open Text.
*
* 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
*
* 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.github.autoscaler.core;
import com.codahale.metrics.health.HealthCheck;
import com.hpe.caf.api.HealthReporter;
import com.hpe.caf.api.HealthResult;
import com.hpe.caf.api.HealthStatus;
import java.util.Objects;
/**
* Wrapper for Dropwizard metrics health checks.
*/
public class ScalerHealthCheck extends HealthCheck
{
private final HealthReporter reporter;
public ScalerHealthCheck(final HealthReporter healthReporter)
{
this.reporter = Objects.requireNonNull(healthReporter);
}
@Override
protected HealthCheck.Result check()
throws Exception
{
HealthResult result = reporter.healthCheck();
String message = result.getMessage();
if ( result.getStatus() == HealthStatus.HEALTHY ) {
return message == null ? HealthCheck.Result.healthy() : HealthCheck.Result.healthy(message);
} else {
return HealthCheck.Result.unhealthy(message);
}
}
}