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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.model.application.validation;
import com.yahoo.config.model.deploy.DeployState;
import com.yahoo.config.provision.Capacity;
import com.yahoo.config.provision.ClusterResources;
import com.yahoo.config.provision.ClusterSpec;
import com.yahoo.config.provision.NodeResources;
import com.yahoo.config.provision.QuotaExceededException;
import com.yahoo.config.provision.SystemName;
import com.yahoo.config.provision.Zone;
import com.yahoo.vespa.model.VespaModel;
import java.math.BigDecimal;
import java.util.LinkedHashSet;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.logging.Logger;
import java.util.stream.Collectors;
/**
* Checks that the generated model does not have resources that exceeds the given quota.
*
* @author ogronnesby
*/
public class QuotaValidator extends Validator {
private static final Logger log = Logger.getLogger(QuotaValidator.class.getName());
private static final Capacity zeroCapacity = Capacity.from(new ClusterResources(0, 0, NodeResources.zero()));
@Override
public void validate(VespaModel model, DeployState deployState) {
var quota = deployState.getProperties().quota();
quota.maxClusterSize().ifPresent(maxClusterSize -> validateMaxClusterSize(maxClusterSize, model));
quota.budgetAsDecimal().ifPresent(budget -> validateBudget(budget, model, deployState.getProperties().zone()));
}
private void validateBudget(BigDecimal budget, VespaModel model, Zone zone) {
var maxSpend = model.allClusters().stream()
.filter(id -> !adminClusterIds(model).contains(id))
.map(id -> model.provisioned().all().getOrDefault(id, zeroCapacity))
.mapToDouble(c -> c.maxResources().cost()) // TODO: This may be unspecified -> 0
.sum();
var actualSpend = model.allocatedHosts().getHosts().stream()
.filter(hostSpec -> hostSpec.membership().get().cluster().type() != ClusterSpec.Type.admin)
.mapToDouble(hostSpec -> hostSpec.advertisedResources().cost())
.sum();
if (Math.abs(actualSpend) < 0.01) {
log.warning("Deploying application " + model.applicationPackage().getApplicationId() + " with zero budget use. This is suspicious, but not blocked");
return;
}
throwIfBudgetNegative(actualSpend, budget, zone.system());
throwIfBudgetExceeded(actualSpend, budget, zone.system(), true);
if ( ! zone.environment().isTest()) // Usage is constant after deploy in test zones
throwIfBudgetExceeded(maxSpend, budget, zone.system(), false);
}
private Set<ClusterSpec.Id> adminClusterIds(VespaModel model) {
return model.allocatedHosts().getHosts().stream()
.map(hostSpec -> hostSpec.membership().orElseThrow().cluster())
.filter(cluster -> cluster.type() == ClusterSpec.Type.admin)
.map(ClusterSpec::id)
.collect(Collectors.toCollection(() -> new LinkedHashSet<>()));
}
/** Check that all clusters in the application do not exceed the quota max cluster size. */
private void validateMaxClusterSize(int maxClusterSize, VespaModel model) {
var invalidClusters = model.provisioned().all().entrySet().stream()
.filter(entry -> entry.getValue() != null)
.filter(entry -> {
var cluster = entry.getValue();
var clusterSize = cluster.maxResources().nodes();
return clusterSize > maxClusterSize;
})
.map(Map.Entry::getKey)
.map(ClusterSpec.Id::value)
.toList();
if (!invalidClusters.isEmpty()) {
var clusterNames = String.join(", ", invalidClusters);
throw new QuotaExceededException("Clusters " + clusterNames + " exceeded max cluster size of " + maxClusterSize);
}
}
private static void throwIfBudgetNegative(double spend, BigDecimal budget, SystemName systemName) {
if (budget.doubleValue() < 0) {
throw new QuotaExceededException(quotaMessage("Please free up some capacity.", systemName, spend, budget, true));
}
}
private static void throwIfBudgetExceeded(double spend, BigDecimal budget, SystemName systemName, boolean actual) {
if (budget.doubleValue() < spend) {
throw new QuotaExceededException(quotaMessage("Contact support to upgrade your plan.", systemName, spend, budget, actual));
}
}
private static String quotaMessage(String message, SystemName system, double spend, BigDecimal budget, boolean actual) {
String quotaDescription = String.format(Locale.ENGLISH,
"The %s cost $%.2f but your quota is $%.2f",
actual ? "resources used" : "max resources specified",
spend,
budget);
return (system == SystemName.Public ? "" : system.value() + ": ") + quotaDescription + ": " + message;
}
}
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