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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.maintenance;
import com.yahoo.collections.Pair;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.Capacity;
import com.yahoo.config.provision.ClusterSpec;
import com.yahoo.config.provision.Environment;
import com.yahoo.config.provision.Flavor;
import com.yahoo.config.provision.NodeType;
import com.yahoo.config.provision.RegionName;
import com.yahoo.config.provision.Zone;
import com.yahoo.config.provisioning.FlavorsConfig;
import com.yahoo.test.ManualClock;
import com.yahoo.vespa.hosted.provision.Node;
import com.yahoo.vespa.hosted.provision.NodeList;
import com.yahoo.vespa.hosted.provision.NodeRepository;
import com.yahoo.vespa.hosted.provision.applications.Cluster;
import com.yahoo.vespa.hosted.provision.autoscale.ClusterMetricSnapshot;
import com.yahoo.vespa.hosted.provision.autoscale.Load;
import com.yahoo.vespa.hosted.provision.autoscale.NodeMetricSnapshot;
import com.yahoo.vespa.hosted.provision.provisioning.FlavorConfigBuilder;
import com.yahoo.vespa.hosted.provision.provisioning.ProvisioningTester;
import com.yahoo.vespa.hosted.provision.testutils.MockDeployer;
import java.time.Duration;
import java.time.Instant;
import java.util.List;
import java.util.Map;
import java.util.function.IntFunction;
/**
* @author bratseth
*/
public class AutoscalingMaintainerTester {
private final ProvisioningTester provisioningTester;
private final AutoscalingMaintainer maintainer;
private final MockDeployer deployer;
public AutoscalingMaintainerTester(MockDeployer.ApplicationContext ... appContexts) {
this(new Zone(Environment.prod, RegionName.from("us-east3")), appContexts);
}
public AutoscalingMaintainerTester(Zone zone, MockDeployer.ApplicationContext ... appContexts) {
provisioningTester = new ProvisioningTester.Builder().zone(zone).flavorsConfig(flavorsConfig()).build();
provisioningTester.clock().setInstant(Instant.ofEpochMilli(0));
deployer = new MockDeployer(provisioningTester.provisioner(), provisioningTester.clock(), List.of(appContexts));
maintainer = new AutoscalingMaintainer(provisioningTester.nodeRepository(),
deployer,
new TestMetric(),
Duration.ofMinutes(1));
provisioningTester.makeReadyNodes(20, "flt", NodeType.host, 8);
provisioningTester.activateTenantHosts();
}
public NodeRepository nodeRepository() { return provisioningTester.nodeRepository(); }
public ManualClock clock() { return provisioningTester.clock(); }
public MockDeployer deployer() { return deployer; }
public AutoscalingMaintainer maintainer() { return maintainer; }
public static ApplicationId makeApplicationId(String name) { return ProvisioningTester.applicationId(name); }
public static ClusterSpec containerClusterSpec() { return ProvisioningTester.containerClusterSpec(); }
public List<Node> deploy(ApplicationId application, ClusterSpec cluster, Capacity capacity) {
return provisioningTester.deploy(application, cluster, capacity);
}
public Duration addMeasurements(float cpu, float mem, float disk, long generation, int count,
ApplicationId applicationId, ClusterSpec.Id clusterId) {
NodeList nodes = nodeRepository().nodes().list(Node.State.active).owner(applicationId);
Instant startTime = clock().instant();
for (int i = 0; i < count; i++) {
for (Node node : nodes)
nodeRepository().metricsDb().addNodeMetrics(List.of(new Pair<>(node.hostname(),
new NodeMetricSnapshot(clock().instant(),
new Load(cpu, mem, disk),
generation,
true,
true,
0.0))));
clock().advance(Duration.ofSeconds(150));
}
var totalDuration = Duration.between(startTime, clock().instant());
clock().advance(totalDuration.negated());
addQueryRateMeasurements(applicationId, clusterId, count, t -> 100.0);
return totalDuration;
}
/** Creates the given number of measurements, spaced 5 minutes between, using the given function */
public void addQueryRateMeasurements(ApplicationId application,
ClusterSpec.Id cluster,
int measurements,
IntFunction<Double> queryRate) {
for (int i = 0; i < measurements; i++) {
nodeRepository().metricsDb().addClusterMetrics(application,
Map.of(cluster, new ClusterMetricSnapshot(clock().instant(), queryRate.apply(i), 0.0)));
clock().advance(Duration.ofSeconds(150));
}
}
public Cluster cluster(ApplicationId application, ClusterSpec cluster) {
return nodeRepository().applications().get(application).get().cluster(cluster.id()).get();
}
private FlavorsConfig flavorsConfig() {
FlavorConfigBuilder b = new FlavorConfigBuilder();
b.addFlavor("flt", 30, 30, 50, 3, Flavor.Type.BARE_METAL);
b.addFlavor("cpu", 40, 20, 40, 3, Flavor.Type.BARE_METAL);
b.addFlavor("mem", 20, 40, 40, 3, Flavor.Type.BARE_METAL);
return b.build();
}
}
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