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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.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.MetricSnapshot;
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.stream.Collectors;
import static org.junit.Assert.assertEquals;
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);
MetricsDb db = MetricsDb.createTestInstance(tester.nodeRepository());
NodeMetricsDbMaintainer maintainer = new NodeMetricsDbMaintainer(tester.nodeRepository(),
fetcher,
db,
Duration.ofHours(1),
new TestMetric());
assertTrue(maintainer.maintain());
List<NodeTimeseries> timeseriesList = db.getNodeTimeseries(Instant.ofEpochMilli(0),
Set.of("host-1.yahoo.com", "host-2.yahoo.com"));
assertEquals(2, timeseriesList.size());
List<MetricSnapshot> allSnapshots = timeseriesList.stream()
.flatMap(timeseries -> timeseries.asList().stream())
.collect(Collectors.toList());
assertEquals("Snapshot from the node not in service is filtered out",
1, allSnapshots.size());
assertEquals(0.14, allSnapshots.get(0).cpu(), 0.000001);
}
private static class MockHttpClient implements MetricsV2MetricsFetcher.HttpClient {
final String cannedResponse =
"{\n" +
" \"nodes\": [\n" +
" {\n" +
" \"hostname\": \"host-1.yahoo.com\",\n" +
" \"role\": \"role0\",\n" +
" \"node\": {\n" +
" \"timestamp\": 1300,\n" +
" \"metrics\": [\n" +
" {\n" +
" \"values\": {\n" +
" \"cpu.util\": 14,\n" + // this value asserted on above
" \"mem_total.util\": 15,\n" +
" \"disk.util\": 20,\n" +
" \"application_generation\": 3,\n" +
" \"in_service\": 1\n" +
" },\n" +
" \"dimensions\": {\n" +
" \"state\": \"active\"\n" +
" }\n" +
" }\n" +
" ]\n" +
" }\n" +
" },\n" +
" {\n" +
" \"hostname\": \"host-2.yahoo.com\",\n" +
" \"role\": \"role0\",\n" +
" \"node\": {\n" +
" \"timestamp\": 1300,\n" +
" \"metrics\": [\n" +
" {\n" +
" \"values\": {\n" +
" \"cpu.util\": 1,\n" +
" \"mem_total.util\": 2,\n" +
" \"disk.util\": 3,\n" +
" \"application_generation\": 3,\n" +
" \"in_service\": 0\n" +
" },\n" +
" \"dimensions\": {\n" +
" \"state\": \"active\"\n" +
" }\n" +
" }\n" +
" ]\n" +
" }\n" +
" }\n" +
" ]\n" +
"}\n";
@Override
public String get(String url) {
return cannedResponse;
}
@Override
public void close() { }
}
}
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