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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.provision.autoscale;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.Capacity;
import com.yahoo.config.provision.Cloud;
import com.yahoo.config.provision.ClusterResources;
import com.yahoo.config.provision.ClusterSpec;
import com.yahoo.config.provision.Environment;
import com.yahoo.config.provision.NodeResources;
import com.yahoo.config.provision.RegionName;
import com.yahoo.config.provision.Zone;
import com.yahoo.vespa.hosted.provision.Node;
import com.yahoo.vespa.hosted.provision.NodeList;
import com.yahoo.vespa.hosted.provision.applications.Application;
import com.yahoo.vespa.hosted.provision.applications.Cluster;
import com.yahoo.vespa.hosted.provision.provisioning.HostResourcesCalculator;
import java.time.Duration;
import java.util.Arrays;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;
/**
* Fixture for autoscaling tests.
*
* @author bratseth
*/
public class Fixture {
final AutoscalingTester tester;
final ApplicationId applicationId;
final ClusterSpec clusterSpec;
final Capacity capacity;
final Loader loader;
public Fixture(Fixture.Builder builder, Optional<ClusterResources> initialResources) {
applicationId = builder.application;
clusterSpec = builder.cluster;
capacity = builder.capacity;
tester = new AutoscalingTester(builder.zone, builder.resourceCalculator, builder.hostResources);
var deployCapacity = initialResources.isPresent() ? Capacity.from(initialResources.get()) : capacity;
tester.deploy(builder.application, builder.cluster, deployCapacity);
this.loader = new Loader(this);
}
public AutoscalingTester tester() { return tester; }
public ApplicationId applicationId() { return applicationId; }
public ClusterSpec.Id clusterId() { return clusterSpec.id(); }
public Application application() {
return tester().nodeRepository().applications().get(applicationId).orElse(Application.empty(applicationId));
}
public Cluster cluster() {
return application().cluster(clusterId()).get();
}
public ClusterModel clusterModel() {
return new ClusterModel(application(),
clusterSpec,
cluster(),
nodes(),
tester.nodeRepository().metricsDb(),
tester.nodeRepository().clock());
}
/** Returns the nodes allocated to the fixture application cluster */
public NodeList nodes() {
return tester().nodeRepository().nodes().list(Node.State.active).owner(applicationId).cluster(clusterSpec.id());
}
public Loader loader() { return loader; }
/** Autoscale within the deployed capacity of this. */
public Autoscaler.Advice autoscale() {
return autoscale(capacity);
}
/** Autoscale within the given capacity. */
public Autoscaler.Advice autoscale(Capacity capacity) {
return tester().autoscale(applicationId, clusterSpec, capacity);
}
/** Compute an autoscaling suggestion for this. */
public Autoscaler.Advice suggest() {
return tester().suggest(applicationId, clusterSpec.id(), capacity.minResources(), capacity.maxResources());
}
/** Redeploy with the deployed capacity of this. */
public void deploy() {
deploy(capacity);
}
/** Redeploy with the given capacity. */
public void deploy(Capacity capacity) {
tester().deploy(applicationId, clusterSpec, capacity);
}
public void deactivateRetired(Capacity capacity) {
tester().deactivateRetired(applicationId, clusterSpec, capacity);
}
public void setScalingDuration(Duration duration) {
tester().setScalingDuration(applicationId, clusterSpec.id(), duration);
}
public void storeReadShare(double currentReadShare, double maxReadShare) {
var application = application();
application = application.with(application.status().withCurrentReadShare(currentReadShare)
.withMaxReadShare(maxReadShare));
tester.nodeRepository().applications().put(application, tester.nodeRepository().nodes().lock(applicationId));
}
public static class Builder {
ApplicationId application = AutoscalingTester.applicationId("application1");
ClusterSpec cluster = ClusterSpec.request(ClusterSpec.Type.content, ClusterSpec.Id.from("cluster1")).vespaVersion("7").build();
Zone zone = new Zone(Environment.prod, RegionName.from("us-east"));
List<NodeResources> hostResources = List.of(new NodeResources(100, 100, 100, 1));
Optional<ClusterResources> initialResources = Optional.of(new ClusterResources(5, 1, new NodeResources(3, 10, 100, 1)));
Capacity capacity = Capacity.from(new ClusterResources(2, 1,
new NodeResources(1, 1, 1, 1, NodeResources.DiskSpeed.any)),
new ClusterResources(20, 1,
new NodeResources(100, 1000, 1000, 1, NodeResources.DiskSpeed.any)));
HostResourcesCalculator resourceCalculator = new AutoscalingTester.MockHostResourcesCalculator(zone, 0);
public Fixture.Builder zone(Zone zone) {
this.zone = zone;
return this;
}
/**
* Set to true to behave as if hosts are provisioned dynamically,
* and must therefore be allocated completely to one tenant node.
*/
public Fixture. Builder dynamicProvisioning(boolean dynamic) {
this.zone = new Zone(Cloud.builder()
.dynamicProvisioning(dynamic)
.build(),
zone.system(),
zone.environment(),
zone.region());
return this;
}
public Fixture.Builder clusterType(ClusterSpec.Type type) {
cluster = ClusterSpec.request(type, cluster.id()).vespaVersion("7").build();
return this;
}
public Fixture.Builder hostResources(NodeResources ... hostResources) {
this.hostResources = Arrays.stream(hostResources).collect(Collectors.toList());
return this;
}
public Fixture.Builder initialResources(Optional<ClusterResources> initialResources) {
this.initialResources = initialResources;
return this;
}
public Fixture.Builder capacity(Capacity capacity) {
this.capacity = capacity;
return this;
}
public Fixture.Builder resourceCalculator(HostResourcesCalculator resourceCalculator) {
this.resourceCalculator = resourceCalculator;
return this;
}
public Fixture build() {
return new Fixture(this, initialResources);
}
}
}
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