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// Copyright Vespa.ai. 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.config.provision.Capacity;
import com.yahoo.config.provision.ClusterResources;
import com.yahoo.config.provision.NodeResources;
import com.yahoo.vespa.hosted.provision.autoscale.NodeMetricSnapshot;
import com.yahoo.vespa.hosted.provision.autoscale.MetricsDb;
import com.yahoo.vespa.hosted.provision.autoscale.MetricsV2MetricsFetcher;
import com.yahoo.vespa.hosted.provision.autoscale.NodeTimeseries;
import com.yahoo.vespa.hosted.provision.provisioning.ProvisioningTester;
import com.yahoo.vespa.hosted.provision.testutils.OrchestratorMock;
import org.junit.Test;
import java.time.Duration;
import java.time.Instant;
import java.util.List;
import java.util.Set;
import java.util.concurrent.CompletableFuture;
import java.util.stream.Collectors;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
* @author bratseth
*/
public class NodeMetricsDbMaintainerTest {
@Test
public void testNodeMetricsDbMaintainer() {
NodeResources resources = new NodeResources(1, 10, 100, 1);
ProvisioningTester tester = new ProvisioningTester.Builder().build();
tester.clock().setInstant(Instant.ofEpochMilli(1400));
tester.makeReadyNodes(2, resources);
tester.activateTenantHosts();
tester.deploy(ProvisioningTester.applicationId("test"),
Capacity.from(new ClusterResources(2, 1, resources)));
OrchestratorMock orchestrator = new OrchestratorMock();
MockHttpClient httpClient = new MockHttpClient();
MetricsV2MetricsFetcher fetcher = new MetricsV2MetricsFetcher(tester.nodeRepository(), orchestrator, httpClient);
NodeMetricsDbMaintainer maintainer = new NodeMetricsDbMaintainer(tester.nodeRepository(),
fetcher,
Duration.ofHours(1),
new TestMetric());
assertEquals(maintainer.maintain(), 0.0, 0.0000001);
List<NodeTimeseries> timeseriesList = tester.nodeRepository().metricsDb().getNodeTimeseries(Duration.ofDays(1),
Set.of("host-1.yahoo.com", "host-2.yahoo.com"));
assertEquals(2, timeseriesList.size());
List<NodeMetricSnapshot> allSnapshots = timeseriesList.stream()
.flatMap(timeseries -> timeseries.asList().stream())
.toList();
assertTrue(allSnapshots.stream().anyMatch(snapshot -> snapshot.inService()));
assertTrue(allSnapshots.stream().anyMatch(snapshot -> ! snapshot.inService()));
}
private static class MockHttpClient implements MetricsV2MetricsFetcher.AsyncHttpClient {
// this value asserted on above
final String cannedResponse =
"""
{
"nodes": [
{
"hostname": "host-1.yahoo.com",
"role": "role0",
"node": {
"timestamp": 1300,
"metrics": [
{
"values": {
"cpu.util": 14,
"mem_total.util": 15,
"disk.util": 20,
"application_generation.last": 3,
"in_service.last": 1
},
"dimensions": {
"state": "active"
}
}
]
}
},
{
"hostname": "host-2.yahoo.com",
"role": "role0",
"node": {
"timestamp": 1300,
"metrics": [
{
"values": {
"cpu.util": 1,
"mem_total.util": 2,
"disk.util": 3,
"application_generation.last": 3,
"in_service.last": 0
},
"dimensions": {
"state": "active"
}
}
]
}
}
]
}
""";
@Override
public CompletableFuture<String> get(String url) {
return CompletableFuture.completedFuture(cannedResponse);
}
@Override
public void close() { }
}
}
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