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// Copyright 2017 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.ApplicationName;
import com.yahoo.config.provision.Capacity;
import com.yahoo.config.provision.ClusterSpec;
import com.yahoo.config.provision.Environment;
import com.yahoo.config.provision.HostSpec;
import com.yahoo.config.provision.InstanceName;
import com.yahoo.config.provision.NodeResources;
import com.yahoo.config.provision.NodeType;
import com.yahoo.config.provision.RegionName;
import com.yahoo.config.provision.TenantName;
import com.yahoo.config.provision.Zone;
import com.yahoo.vespa.hosted.provision.Node;
import com.yahoo.vespa.hosted.provision.node.Agent;
import com.yahoo.vespa.hosted.provision.node.History;
import com.yahoo.vespa.hosted.provision.provisioning.ProvisioningTester;
import com.yahoo.vespa.hosted.provision.testutils.MockDeployer;
import com.yahoo.vespa.orchestrator.OrchestrationException;
import com.yahoo.vespa.orchestrator.Orchestrator;
import org.junit.Test;
import java.time.Duration;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.stream.Collectors;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.mock;
/**
* @author bratseth
* @author mpolden
*/
public class InactiveAndFailedExpirerTest {
private final NodeResources nodeResources = new NodeResources(2, 8, 50, 1);
private final ApplicationId applicationId = ApplicationId.from(TenantName.from("foo"),
ApplicationName.from("bar"),
InstanceName.from("fuz"));
@Test
public void inactive_and_failed_times_out() {
ProvisioningTester tester = new ProvisioningTester.Builder().zone(new Zone(Environment.prod, RegionName.from("us-east"))).build();
List<Node> nodes = tester.makeReadyNodes(2, nodeResources);
// Allocate then deallocate 2 nodes
ClusterSpec cluster = ClusterSpec.request(ClusterSpec.Type.content, ClusterSpec.Id.from("test"), Version.fromString("6.42"), false);
List<HostSpec> preparedNodes = tester.prepare(applicationId, cluster, Capacity.fromCount(2, nodeResources), 1);
tester.activate(applicationId, new HashSet<>(preparedNodes));
assertEquals(2, tester.getNodes(applicationId, Node.State.active).size());
tester.deactivate(applicationId);
List<Node> inactiveNodes = tester.getNodes(applicationId, Node.State.inactive).asList();
assertEquals(2, inactiveNodes.size());
// Inactive times out
tester.advanceTime(Duration.ofMinutes(14));
new InactiveExpirer(tester.nodeRepository(), tester.clock(), Duration.ofMinutes(10)).run();
assertEquals(0, tester.nodeRepository().getNodes(Node.State.inactive).size());
List<Node> dirty = tester.nodeRepository().getNodes(Node.State.dirty);
assertEquals(2, dirty.size());
assertFalse(dirty.get(0).allocation().isPresent());
assertFalse(dirty.get(1).allocation().isPresent());
// One node is set back to ready
Node ready = tester.nodeRepository().setReady(Collections.singletonList(dirty.get(0)), Agent.system, getClass().getSimpleName()).get(0);
assertEquals("Allocated history is removed on readying",
Arrays.asList(History.Event.Type.provisioned, History.Event.Type.readied),
ready.history().events().stream().map(History.Event::type).collect(Collectors.toList()));
// Dirty times out for the other one
tester.advanceTime(Duration.ofMinutes(14));
new DirtyExpirer(tester.nodeRepository(), tester.clock(), Duration.ofMinutes(10)).run();
assertEquals(0, tester.nodeRepository().getNodes(NodeType.tenant, Node.State.dirty).size());
List<Node> failed = tester.nodeRepository().getNodes(NodeType.tenant, Node.State.failed);
assertEquals(1, failed.size());
assertEquals(1, failed.get(0).status().failCount());
}
@Test
public void reboot_generation_is_increased_when_node_moves_to_dirty() {
ProvisioningTester tester = new ProvisioningTester.Builder().zone(new Zone(Environment.prod, RegionName.from("us-east"))).build();
List<Node> nodes = tester.makeReadyNodes(2, nodeResources);
// Allocate and deallocate a single node
ClusterSpec cluster = ClusterSpec.request(ClusterSpec.Type.content,
ClusterSpec.Id.from("test"),
Version.fromString("6.42"),
false);
List<HostSpec> preparedNodes = tester.prepare(applicationId, cluster, Capacity.fromCount(2, nodeResources), 1);
tester.activate(applicationId, new HashSet<>(preparedNodes));
assertEquals(2, tester.getNodes(applicationId, Node.State.active).size());
tester.deactivate(applicationId);
List<Node> inactiveNodes = tester.getNodes(applicationId, Node.State.inactive).asList();
assertEquals(2, inactiveNodes.size());
// Check reboot generation before node is moved. New nodes transition from provisioned to dirty, so their
// wanted reboot generation will always be 1.
long wantedRebootGeneration = inactiveNodes.get(0).status().reboot().wanted();
assertEquals(1, wantedRebootGeneration);
// Inactive times out and node is moved to dirty
tester.advanceTime(Duration.ofMinutes(14));
new InactiveExpirer(tester.nodeRepository(), tester.clock(), Duration.ofMinutes(10)).run();
List<Node> dirty = tester.nodeRepository().getNodes(Node.State.dirty);
assertEquals(2, dirty.size());
// Reboot generation is increased
assertEquals(wantedRebootGeneration + 1, dirty.get(0).status().reboot().wanted());
}
@Test
public void node_that_wants_to_retire_is_moved_to_parked() throws OrchestrationException {
ProvisioningTester tester = new ProvisioningTester.Builder().zone(new Zone(Environment.prod, RegionName.from("us-east"))).build();
ClusterSpec cluster = ClusterSpec.request(ClusterSpec.Type.content, ClusterSpec.Id.from("test"),
Version.fromString("6.42"), false);
tester.makeReadyNodes(5, nodeResources);
// Allocate two nodes
{
List<HostSpec> hostSpecs = tester.prepare(applicationId,
cluster,
Capacity.fromCount(2, nodeResources),
1);
tester.activate(applicationId, new HashSet<>(hostSpecs));
assertEquals(2, tester.getNodes(applicationId, Node.State.active).size());
}
// Flag one node for retirement and redeploy
{
Node toRetire = tester.getNodes(applicationId, Node.State.active).asList().get(0);
tester.patchNode(toRetire.withWantToRetire(true, Agent.operator, tester.clock().instant()));
List<HostSpec> hostSpecs = tester.prepare(applicationId, cluster, Capacity.fromCount(2, nodeResources), 1);
tester.activate(applicationId, new HashSet<>(hostSpecs));
}
// Retire times out and one node is moved to inactive
tester.advanceTime(Duration.ofMinutes(11)); // Trigger RetiredExpirer
MockDeployer deployer = new MockDeployer(
tester.provisioner(),
tester.clock(),
Collections.singletonMap(
applicationId,
new MockDeployer.ApplicationContext(applicationId, cluster,
Capacity.fromCount(2,
nodeResources,
false, true),
1)
)
);
Orchestrator orchestrator = mock(Orchestrator.class);
doThrow(new RuntimeException()).when(orchestrator).acquirePermissionToRemove(any());
new RetiredExpirer(tester.nodeRepository(), tester.orchestrator(), deployer, tester.clock(), Duration.ofDays(30),
Duration.ofMinutes(10)).run();
assertEquals(1, tester.nodeRepository().getNodes(Node.State.inactive).size());
// Inactive times out and one node is moved to parked
tester.advanceTime(Duration.ofMinutes(11)); // Trigger InactiveExpirer
new InactiveExpirer(tester.nodeRepository(), tester.clock(), Duration.ofMinutes(10)).run();
assertEquals(1, tester.nodeRepository().getNodes(Node.State.parked).size());
}
@Test
public void testersExpireImmediately() {
ApplicationId testerId = ApplicationId.from(applicationId.tenant().value(),
applicationId.application().value(),
applicationId.instance().value() + "-t");
// Allocate then deallocate a node
ProvisioningTester tester = new ProvisioningTester.Builder().zone(new Zone(Environment.prod, RegionName.from("us-east"))).build();
tester.makeReadyNodes(1, nodeResources);
ClusterSpec cluster = ClusterSpec.request(ClusterSpec.Type.content, ClusterSpec.Id.from("test"), Version.fromString("6.42"), false);
List<HostSpec> preparedNodes = tester.prepare(testerId, cluster, Capacity.fromCount(2, nodeResources), 1);
tester.activate(testerId, new HashSet<>(preparedNodes));
assertEquals(1, tester.getNodes(testerId, Node.State.active).size());
tester.deactivate(testerId);
List<Node> inactiveNodes = tester.getNodes(testerId, Node.State.inactive).asList();
assertEquals(1, inactiveNodes.size());
// See that nodes are moved to dirty immediately.
new InactiveExpirer(tester.nodeRepository(), tester.clock(), Duration.ofMinutes(10)).run();
assertEquals(0, tester.nodeRepository().getNodes(Node.State.inactive).size());
List<Node> dirty = tester.nodeRepository().getNodes(Node.State.dirty);
assertEquals(1, dirty.size());
assertFalse(dirty.get(0).allocation().isPresent());
}
}
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