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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.controller.maintenance;
import com.yahoo.concurrent.maintenance.JobMetrics;
import com.yahoo.concurrent.maintenance.Maintainer;
import com.yahoo.config.provision.SystemName;
import com.yahoo.jdisc.Metric;
import com.yahoo.vespa.hosted.controller.Controller;
import java.time.Duration;
import java.util.EnumSet;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.logging.Logger;
/**
* A maintainer is some job which runs at a fixed interval to perform some maintenance task in the controller.
*
* @author bratseth
*/
public abstract class ControllerMaintainer extends Maintainer {
protected static final Logger log = Logger.getLogger(ControllerMaintainer.class.getName());
private final Controller controller;
/** The systems in which this maintainer should run */
private final Set<SystemName> activeSystems;
public ControllerMaintainer(Controller controller, Duration interval) {
this(controller, interval, null, EnumSet.allOf(SystemName.class));
}
public ControllerMaintainer(Controller controller, Duration interval, String name, Set<SystemName> activeSystems) {
super(name, interval, controller.clock().instant(), controller.jobControl(),
new ControllerJobMetrics(controller.metric()), controller.curator().cluster(), true);
this.controller = controller;
this.activeSystems = Set.copyOf(Objects.requireNonNull(activeSystems));
}
protected Controller controller() { return controller; }
@Override
public void run() {
if (!activeSystems.contains(controller.system())) return;
super.run();
}
private static class ControllerJobMetrics extends JobMetrics {
private final Metric metric;
public ControllerJobMetrics(Metric metric) {
this.metric = metric;
}
@Override
public void completed(String job, double successFactor) {
metric.set("maintenance.successFactor", successFactor, metric.createContext(Map.of("job", job)));
}
}
}
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