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// Copyright 2018 Yahoo Holdings. 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.component.Version;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.ClusterMembership;
import com.yahoo.config.provision.DockerImage;
import com.yahoo.config.provision.NodeFlavors;
import com.yahoo.config.provision.NodeResources;
import com.yahoo.config.provision.NodeType;
import com.yahoo.config.provision.Zone;
import com.yahoo.jdisc.Metric;
import com.yahoo.test.ManualClock;
import com.yahoo.transaction.Mutex;
import com.yahoo.transaction.NestedTransaction;
import com.yahoo.vespa.applicationmodel.ApplicationInstance;
import com.yahoo.vespa.applicationmodel.ApplicationInstanceReference;
import com.yahoo.vespa.curator.Curator;
import com.yahoo.vespa.curator.mock.MockCurator;
import com.yahoo.vespa.curator.stats.LockStats;
import com.yahoo.vespa.flags.InMemoryFlagSource;
import com.yahoo.vespa.hosted.provision.LockedNodeList;
import com.yahoo.vespa.hosted.provision.Node;
import com.yahoo.vespa.hosted.provision.NodeRepository;
import com.yahoo.vespa.hosted.provision.node.Agent;
import com.yahoo.vespa.hosted.provision.node.Allocation;
import com.yahoo.vespa.hosted.provision.node.Generation;
import com.yahoo.vespa.hosted.provision.node.IP;
import com.yahoo.vespa.hosted.provision.provisioning.EmptyProvisionServiceProvider;
import com.yahoo.vespa.hosted.provision.provisioning.FlavorConfigBuilder;
import com.yahoo.vespa.hosted.provision.testutils.MockNameResolver;
import com.yahoo.vespa.orchestrator.Orchestrator;
import com.yahoo.vespa.orchestrator.status.HostInfo;
import com.yahoo.vespa.orchestrator.status.HostStatus;
import com.yahoo.vespa.service.monitor.ServiceModel;
import com.yahoo.vespa.service.monitor.ServiceMonitor;
import org.junit.Before;
import org.junit.Test;
import java.time.Clock;
import java.time.Duration;
import java.time.Instant;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.Set;
import java.util.TreeMap;
import static org.junit.Assert.assertEquals;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
/**
* @author oyving
* @author smorgrav
*/
public class MetricsReporterTest {
private final ServiceMonitor serviceMonitor = mock(ServiceMonitor.class);
private final ApplicationInstanceReference reference = mock(ApplicationInstanceReference.class);
@Before
public void setUp() {
// On the serviceModel returned by serviceMonitor.getServiceModelSnapshot(),
// 2 methods should be used by MetricsReporter:
// - getServiceInstancesByHostName() -> empty Map
// - getApplication() which is mapped to a dummy ApplicationInstanceReference and
// used for lookup.
ServiceModel serviceModel = mock(ServiceModel.class);
when(serviceMonitor.getServiceModelSnapshot()).thenReturn(serviceModel);
when(serviceModel.getServiceInstancesByHostName()).thenReturn(Map.of());
ApplicationInstance applicationInstance = mock(ApplicationInstance.class);
when(serviceModel.getApplication(any())).thenReturn(Optional.of(applicationInstance));
when(applicationInstance.reference()).thenReturn(reference);
LockStats.clearForTesting();
}
@Test
public void test_registered_metric() {
NodeFlavors nodeFlavors = FlavorConfigBuilder.createDummies("default");
Curator curator = new MockCurator();
NodeRepository nodeRepository = new NodeRepository(nodeFlavors,
new EmptyProvisionServiceProvider().getHostResourcesCalculator(),
curator,
Clock.systemUTC(),
Zone.defaultZone(),
new MockNameResolver().mockAnyLookup(),
DockerImage.fromString("docker-registry.domain.tld:8080/dist/vespa"),
new InMemoryFlagSource(),
true,
false,
0, 1000);
Node node = nodeRepository.createNode("openStackId", "hostname", Optional.empty(), nodeFlavors.getFlavorOrThrow("default"), NodeType.tenant);
nodeRepository.addNodes(List.of(node), Agent.system);
Node hostNode = nodeRepository.createNode("openStackId2", "parent", Optional.empty(), nodeFlavors.getFlavorOrThrow("default"), NodeType.proxy);
nodeRepository.addNodes(List.of(hostNode), Agent.system);
Map<String, Number> expectedMetrics = new TreeMap<>();
expectedMetrics.put("hostedVespa.provisionedHosts", 1);
expectedMetrics.put("hostedVespa.parkedHosts", 0);
expectedMetrics.put("hostedVespa.readyHosts", 0);
expectedMetrics.put("hostedVespa.reservedHosts", 0);
expectedMetrics.put("hostedVespa.activeHosts", 0);
expectedMetrics.put("hostedVespa.inactiveHosts", 0);
expectedMetrics.put("hostedVespa.dirtyHosts", 0);
expectedMetrics.put("hostedVespa.failedHosts", 0);
expectedMetrics.put("hostedVespa.deprovisionedHosts", 0);
expectedMetrics.put("hostedVespa.pendingRedeployments", 42);
expectedMetrics.put("hostedVespa.docker.totalCapacityDisk", 0.0);
expectedMetrics.put("hostedVespa.docker.totalCapacityMem", 0.0);
expectedMetrics.put("hostedVespa.docker.totalCapacityCpu", 0.0);
expectedMetrics.put("hostedVespa.docker.freeCapacityDisk", 0.0);
expectedMetrics.put("hostedVespa.docker.freeCapacityMem", 0.0);
expectedMetrics.put("hostedVespa.docker.freeCapacityCpu", 0.0);
expectedMetrics.put("wantedRebootGeneration", 0L);
expectedMetrics.put("currentRebootGeneration", 0L);
expectedMetrics.put("wantToReboot", 0);
expectedMetrics.put("wantToRetire", 0);
expectedMetrics.put("wantToDeprovision", 0);
expectedMetrics.put("failReport", 0);
expectedMetrics.put("allowedToBeDown", 1);
expectedMetrics.put("suspended", 1);
expectedMetrics.put("suspendedSeconds", 123L);
expectedMetrics.put("numberOfServices", 0L);
expectedMetrics.put("cache.nodeObject.hitRate", 0.6D);
expectedMetrics.put("cache.nodeObject.evictionCount", 0L);
expectedMetrics.put("cache.nodeObject.size", 2L);
nodeRepository.list();
expectedMetrics.put("cache.curator.hitRate", 0.5D);
expectedMetrics.put("cache.curator.evictionCount", 0L);
expectedMetrics.put("cache.curator.size", 11L);
ManualClock clock = new ManualClock(Instant.ofEpochSecond(124));
Orchestrator orchestrator = mock(Orchestrator.class);
when(orchestrator.getHostInfo(eq(reference), any())).thenReturn(
HostInfo.createSuspended(HostStatus.ALLOWED_TO_BE_DOWN, Instant.ofEpochSecond(1)));
TestMetric metric = new TestMetric();
MetricsReporter metricsReporter = new MetricsReporter(
nodeRepository,
metric,
orchestrator,
serviceMonitor,
() -> 42,
Duration.ofMinutes(1),
clock);
metricsReporter.maintain();
// Verify sum of values across dimensions, and remove these metrics to avoid checking against
// metric.values below, which is not sensitive to dimensions.
verifyAndRemoveIntegerMetricSum(metric, "lockAttempt.acquire", 3);
verifyAndRemoveIntegerMetricSum(metric, "lockAttempt.acquireFailed", 0);
verifyAndRemoveIntegerMetricSum(metric, "lockAttempt.acquireTimedOut", 0);
verifyAndRemoveIntegerMetricSum(metric, "lockAttempt.locked", 3);
verifyAndRemoveIntegerMetricSum(metric, "lockAttempt.release", 3);
verifyAndRemoveIntegerMetricSum(metric, "lockAttempt.releaseFailed", 0);
verifyAndRemoveIntegerMetricSum(metric, "lockAttempt.reentry", 0);
verifyAndRemoveIntegerMetricSum(metric, "lockAttempt.deadlock", 0);
verifyAndRemoveIntegerMetricSum(metric, "lockAttempt.nakedRelease", 0);
verifyAndRemoveIntegerMetricSum(metric, "lockAttempt.acquireWithoutRelease", 0);
verifyAndRemoveIntegerMetricSum(metric, "lockAttempt.foreignRelease", 0);
metric.remove("lockAttempt.acquireLatency");
metric.remove("lockAttempt.acquireMaxActiveLatency");
metric.remove("lockAttempt.acquireHz");
metric.remove("lockAttempt.acquireLoad");
metric.remove("lockAttempt.lockedLatency");
metric.remove("lockAttempt.lockedMaxActiveLatency");
metric.remove("lockAttempt.lockedHz");
metric.remove("lockAttempt.lockedLoad");
assertEquals(expectedMetrics, new TreeMap<>(metric.values));
}
private void verifyAndRemoveIntegerMetricSum(TestMetric metric, String key, int expected) {
assertEquals(expected, (int) metric.sumNumberValues(key));
metric.remove(key);
}
@Test
public void docker_metrics() {
NodeFlavors nodeFlavors = FlavorConfigBuilder.createDummies("host", "docker", "docker2");
Curator curator = new MockCurator();
NodeRepository nodeRepository = new NodeRepository(nodeFlavors,
new EmptyProvisionServiceProvider().getHostResourcesCalculator(),
curator,
Clock.systemUTC(),
Zone.defaultZone(),
new MockNameResolver().mockAnyLookup(),
DockerImage.fromString("docker-registry.domain.tld:8080/dist/vespa"),
new InMemoryFlagSource(),
true,
false,
0, 1000);
// Allow 4 containers
Set<String> ipAddressPool = Set.of("::2", "::3", "::4", "::5");
Node dockerHost = Node.create("openStackId1", new IP.Config(Set.of("::1"), ipAddressPool), "dockerHost",
Optional.empty(), Optional.empty(), nodeFlavors.getFlavorOrThrow("host"), Optional.empty(), NodeType.host, Optional.empty());
nodeRepository.addNodes(List.of(dockerHost), Agent.system);
nodeRepository.dirtyRecursively("dockerHost", Agent.system, getClass().getSimpleName());
nodeRepository.setReady("dockerHost", Agent.system, getClass().getSimpleName());
Node container1 = Node.createDockerNode(Set.of("::2"), "container1",
"dockerHost", new NodeResources(1, 3, 2, 1), NodeType.tenant);
container1 = container1.with(allocation(Optional.of("app1"), container1).get());
try (Mutex lock = nodeRepository.lockUnallocated()) {
nodeRepository.addDockerNodes(new LockedNodeList(List.of(container1), lock));
}
Node container2 = Node.createDockerNode(Set.of("::3"), "container2",
"dockerHost", new NodeResources(2, 4, 4, 1), NodeType.tenant);
container2 = container2.with(allocation(Optional.of("app2"), container2).get());
try (Mutex lock = nodeRepository.lockUnallocated()) {
nodeRepository.addDockerNodes(new LockedNodeList(List.of(container2), lock));
}
NestedTransaction transaction = new NestedTransaction();
nodeRepository.activate(nodeRepository.getNodes(NodeType.host), transaction);
transaction.commit();
Orchestrator orchestrator = mock(Orchestrator.class);
when(orchestrator.getHostInfo(eq(reference), any())).thenReturn(HostInfo.createNoRemarks());
TestMetric metric = new TestMetric();
ManualClock clock = new ManualClock();
MetricsReporter metricsReporter = new MetricsReporter(
nodeRepository,
metric,
orchestrator,
serviceMonitor,
() -> 42,
Duration.ofMinutes(1),
clock);
metricsReporter.maintain();
assertEquals(0, metric.values.get("hostedVespa.readyHosts")); // Only tenants counts
assertEquals(2, metric.values.get("hostedVespa.reservedHosts"));
assertEquals(120.0, metric.values.get("hostedVespa.docker.totalCapacityDisk"));
assertEquals(100.0, metric.values.get("hostedVespa.docker.totalCapacityMem"));
assertEquals( 7.0, metric.values.get("hostedVespa.docker.totalCapacityCpu"));
assertEquals(114.0, metric.values.get("hostedVespa.docker.freeCapacityDisk"));
assertEquals( 93.0, metric.values.get("hostedVespa.docker.freeCapacityMem"));
assertEquals( 4.0, metric.values.get("hostedVespa.docker.freeCapacityCpu"));
Metric.Context app1context = metric.createContext(Map.of("app", "test.default", "tenantName", "app1", "applicationId", "app1.test.default"));
assertEquals(2.0, metric.sumDoubleValues("hostedVespa.docker.allocatedCapacityDisk", app1context), 0.01d);
assertEquals(3.0, metric.sumDoubleValues("hostedVespa.docker.allocatedCapacityMem", app1context), 0.01d);
assertEquals(1.0, metric.sumDoubleValues("hostedVespa.docker.allocatedCapacityCpu", app1context), 0.01d);
Metric.Context app2context = metric.createContext(Map.of("app", "test.default", "tenantName", "app2", "applicationId", "app2.test.default"));
assertEquals(4.0, metric.sumDoubleValues("hostedVespa.docker.allocatedCapacityDisk", app2context), 0.01d);
assertEquals(4.0, metric.sumDoubleValues("hostedVespa.docker.allocatedCapacityMem", app2context), 0.01d);
assertEquals(2.0, metric.sumDoubleValues("hostedVespa.docker.allocatedCapacityCpu", app2context), 0.01d);
}
private ApplicationId app(String tenant) {
return new ApplicationId.Builder()
.tenant(tenant)
.applicationName("test")
.instanceName("default").build();
}
private Optional<Allocation> allocation(Optional<String> tenant, Node owner) {
if (tenant.isPresent()) {
Allocation allocation = new Allocation(app(tenant.get()),
ClusterMembership.from("container/id1/0/3", new Version(), Optional.empty()),
owner.resources(),
Generation.initial(),
false);
return Optional.of(allocation);
}
return Optional.empty();
}
}
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