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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.collections.ListMap;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.Deployer;
import com.yahoo.config.provision.Deployment;
import com.yahoo.vespa.hosted.provision.Node;
import com.yahoo.vespa.hosted.provision.NodeRepository;
import com.yahoo.vespa.hosted.provision.node.History;
import java.time.Clock;
import java.time.Duration;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.logging.Level;
/**
* Maintenance job which deactivates nodes which has been retired.
* This should take place after the system has been given sufficient time to migrate data to other nodes.
* <p>
* As these nodes are active, and therefore part of the configuration the impacted applications must be
* reconfigured after inactivation.
*
* @author bratseth
*/
public class RetiredExpirer extends Expirer {
private final NodeRepository nodeRepository;
private final Deployer deployer;
public RetiredExpirer(NodeRepository nodeRepository, Deployer deployer, Clock clock,
Duration retiredDuration, JobControl jobControl) {
super(Node.State.active, History.Event.Type.retired, nodeRepository, clock, retiredDuration, jobControl);
this.nodeRepository = nodeRepository;
this.deployer = deployer;
}
@Override
protected void expire(List<Node> expired) {
// Only expire nodes which are retired. Do one application at the time.
ListMap<ApplicationId, Node> applicationNodes = new ListMap<>();
for (Node node : expired) {
if (node.allocation().isPresent() && node.allocation().get().membership().retired())
applicationNodes.put(node.allocation().get().owner(), node);
}
for (Map.Entry<ApplicationId, List<Node>> entry : applicationNodes.entrySet()) {
ApplicationId application = entry.getKey();
List<Node> nodesToRemove = entry.getValue();
try {
Optional<Deployment> deployment = deployer.deployFromLocalActive(application);
if ( ! deployment.isPresent()) continue; // this will be done at another config server
nodeRepository.setRemovable(application, nodesToRemove);
deployment.get().activate();
log.info("Redeployed " + application + " to deactivate " + nodesToRemove.size() + " retired nodes");
}
catch (RuntimeException e) {
log.log(Level.WARNING, "Exception trying to remove previously retired nodes " + nodesToRemove +
"from " + application, e);
}
}
}
}
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