io.camunda.zeebe.broker.health.BrokerStartupHealthIndicator Maven / Gradle / Ivy
/*
* Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH under
* one or more contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright ownership.
* Licensed under the Zeebe Community License 1.1. You may not use this file
* except in compliance with the Zeebe Community License 1.1.
*/
package io.camunda.zeebe.broker.health;
import io.camunda.zeebe.broker.SpringBrokerBridge;
import io.camunda.zeebe.broker.system.monitoring.BrokerHealthCheckService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.actuate.health.Health;
import org.springframework.boot.actuate.health.HealthIndicator;
import org.springframework.stereotype.Component;
@Component
public final class BrokerStartupHealthIndicator implements HealthIndicator {
private static final Health STARTED = Health.up().build();
private static final Health NOT_STARTED = Health.down().build();
private final SpringBrokerBridge brokerBridge;
// cache the result since once started, the broker remains started
private boolean isStarted;
@Autowired
public BrokerStartupHealthIndicator(final SpringBrokerBridge brokerBridge) {
this.brokerBridge = brokerBridge;
}
@Override
public Health health() {
if (isStarted) {
return STARTED;
}
isStarted =
brokerBridge
.getBrokerHealthCheckService()
.map(BrokerHealthCheckService::isBrokerStarted)
.orElse(false);
return isStarted ? STARTED : NOT_STARTED;
}
}