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// Copyright Verizon Media. 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.collections.Pair;
import com.yahoo.config.provision.ApplicationId;
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.test.ManualClock;
import com.yahoo.vespa.hosted.provision.provisioning.ProvisioningTester;
import org.junit.Test;
import java.time.Duration;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Set;
import static org.junit.Assert.assertEquals;
/**
* @author bratseth
*/
public class NodeMetricsDbTest {
@Test
public void testNodeMetricsDb() {
ProvisioningTester tester = new ProvisioningTester.Builder().build();
tester.makeReadyHosts(10, new NodeResources(10, 100, 1000, 10))
.activateTenantHosts();
ApplicationId app1 = ProvisioningTester.applicationId("app1");
var hosts =
tester.activate(app1,
ClusterSpec.request(ClusterSpec.Type.container, ClusterSpec.Id.from("test")).vespaVersion("7.0").build(),
Capacity.from(new ClusterResources(2, 1, new NodeResources(1, 4, 10, 1))));
String node0 = hosts.iterator().next().hostname();
ManualClock clock = tester.clock();
MetricsDb db = MetricsDb.createTestInstance(tester.nodeRepository());
Collection<Pair<String, MetricSnapshot>> values = new ArrayList<>();
for (int i = 0; i < 40; i++) {
values.add(new Pair<>(node0, new MetricSnapshot(clock.instant(),
0.9f,
0.6f,
0.6f,
0,
true,
false,
0.0)));
clock.advance(Duration.ofMinutes(120));
}
db.add(values);
// Avoid off-by-one bug when the below windows starts exactly on one of the above getEpochSecond() timestamps.
clock.advance(Duration.ofMinutes(1));
assertEquals(35, measurementCount(db.getNodeTimeseries(Duration.ofHours(72), Set.of(node0))));
db.gc();
assertEquals(23, measurementCount(db.getNodeTimeseries(Duration.ofHours(72), Set.of(node0))));
}
private int measurementCount(List<NodeTimeseries> measurements) {
return measurements.stream().mapToInt(m -> m.size()).sum();
}
}
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