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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.provision.maintenance;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.Deployer;
import com.yahoo.vespa.hosted.provision.Node;
import com.yahoo.vespa.hosted.provision.NodeRepository;
import java.time.Duration;
import java.time.Instant;
import java.util.List;
import java.util.Optional;
/**
* The application maintainer regularly redeploys all applications to make sure the node repo and application
* model is in sync and to trigger background node allocation changes such as allocation optimizations and
* flavor retirement.
*
* @author bratseth
*/
public class PeriodicApplicationMaintainer extends ApplicationMaintainer {
public PeriodicApplicationMaintainer(Deployer deployer, NodeRepository nodeRepository,
Duration interval, JobControl jobControl) {
super(deployer, nodeRepository, interval, jobControl);
}
@Override
protected boolean canDeployNow(ApplicationId application) {
Optional<Instant> lastDeploy = deployer().lastDeployTime(application);
if (lastDeploy.isPresent() &&
lastDeploy.get().isAfter(nodeRepository().clock().instant().minus(interval())))
return false; // Don't deploy if a regular deploy just happened
return true;
}
@Override
protected List<Node> nodesNeedingMaintenance() {
return nodeRepository().getNodes(Node.State.active);
}
}
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