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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.component.Version;
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.Flavor;
import com.yahoo.config.provision.NodeResources;
import com.yahoo.config.provision.RegionName;
import com.yahoo.config.provision.SystemName;
import com.yahoo.config.provision.Zone;
import com.yahoo.vespa.flags.InMemoryFlagSource;
import com.yahoo.vespa.flags.PermanentFlags;
import com.yahoo.vespa.flags.custom.HostResources;
import com.yahoo.vespa.flags.custom.SharedHost;
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.autoscale.awsnodes.AwsHostResourcesCalculatorImpl;
import com.yahoo.vespa.hosted.provision.autoscale.awsnodes.AwsNodeTypes;
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 Zone zone;
final ApplicationId applicationId;
final ClusterSpec clusterSpec;
final Capacity capacity;
final Loader loader;
public Fixture(Fixture.Builder builder, Optional<ClusterResources> initialResources, int hostCount) {
zone = builder.zone;
applicationId = builder.application;
clusterSpec = builder.cluster;
capacity = builder.capacity;
tester = new AutoscalingTester(builder.zone, builder.resourceCalculator, builder.hostFlavors, builder.flagSource, hostCount);
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 AllocatableClusterResources currentResources() {
return new AllocatableClusterResources(tester.nodeRepository().nodes().list(Node.State.active).owner(applicationId).cluster(clusterId()),
tester.nodeRepository());
}
public Cluster cluster() {
return application().cluster(clusterId()).get();
}
public Capacity capacity() { return capacity; }
public ClusterModel clusterModel() {
return new ClusterModel(zone,
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().applications().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<Flavor> hostFlavors = List.of(new Flavor(new NodeResources(100, 100, 100, 1)));
Optional<ClusterResources> initialResources = Optional.of(new ClusterResources(5, 1, new NodeResources(2, 16, 75, 1)));
Capacity capacity = Capacity.from(new ClusterResources(2, 1,
new NodeResources(1, 4, 10, 1, NodeResources.DiskSpeed.any)),
new ClusterResources(20, 1,
new NodeResources(100, 1000, 1000, 1, NodeResources.DiskSpeed.any)));
HostResourcesCalculator resourceCalculator = new AutoscalingTester.MockHostResourcesCalculator(zone);
final InMemoryFlagSource flagSource = new InMemoryFlagSource();
int hostCount = 0;
public Fixture.Builder zone(Zone zone) {
this.zone = zone;
return this;
}
/** Set to true to behave as if hosts are provisioned dynamically. */
public Fixture. Builder dynamicProvisioning(boolean dynamicProvisioning) {
this.zone = new Zone(Cloud.builder()
.dynamicProvisioning(dynamicProvisioning)
.allowHostSharing(zone.cloud().allowHostSharing())
.build(),
zone.system(),
zone.environment(),
zone.region());
return this;
}
/** Set to true to allow multiple nodes be provisioned on the same host. */
public Fixture. Builder allowHostSharing(boolean allowHostSharing) {
this.zone = new Zone(Cloud.builder()
.dynamicProvisioning(zone.cloud().dynamicProvisioning())
.allowHostSharing(allowHostSharing)
.build(),
zone.system(),
zone.environment(),
zone.region());
return this;
}
public Fixture.Builder clusterType(ClusterSpec.Type type) {
cluster = ClusterSpec.request(type, cluster.id()).vespaVersion(cluster.vespaVersion()).build();
return this;
}
public Fixture.Builder cluster(ClusterSpec cluster) {
this.cluster = cluster;
return this;
}
public Fixture.Builder awsProdSetup(boolean allowHostSharing) {
return this.awsHostFlavors()
.awsResourceCalculator()
.zone(new Zone(Cloud.builder().dynamicProvisioning(true)
.allowHostSharing(allowHostSharing)
.build(),
SystemName.Public,
Environment.prod,
RegionName.from("aws-eu-west-1a")));
}
public Fixture.Builder vespaVersion(Version version) {
cluster = ClusterSpec.request(cluster.type(), cluster.id()).vespaVersion(version).build();
return this;
}
public Fixture.Builder hostFlavors(NodeResources ... hostResources) {
this.hostFlavors = Arrays.stream(hostResources).map(r -> new Flavor(r)).collect(Collectors.toList());
return this;
}
/** Adds the host resources available on AWS. */
public Fixture.Builder awsHostFlavors() {
this.hostFlavors = AwsNodeTypes.asFlavors();
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.Builder awsResourceCalculator() {
this.resourceCalculator = new AwsHostResourcesCalculatorImpl();
return this;
}
public Fixture.Builder hostSharingFlag() {
var resources = new HostResources(8.0, 32.0, 100.0, 10.0, "fast", "local", null, 6, "x86_64");
flagSource.withJacksonFlag(PermanentFlags.SHARED_HOST.id(), new SharedHost(List.of(resources), null), SharedHost.class);
return this;
}
public Fixture.Builder hostCount(int hostCount) {
this.hostCount = hostCount;
return this;
}
public Fixture build() {
return new Fixture(this, initialResources, hostCount);
}
}
}
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