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// Copyright 2016 Yahoo Inc. 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.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.RegionName;
import com.yahoo.config.provision.TenantName;
import com.yahoo.config.provision.Zone;
import com.yahoo.test.ManualClock;
import com.yahoo.transaction.NestedTransaction;
import com.yahoo.vespa.curator.Curator;
import com.yahoo.vespa.curator.mock.MockCurator;
import com.yahoo.vespa.hosted.provision.Node;
import com.yahoo.vespa.hosted.provision.NodeRepository;
import com.yahoo.vespa.hosted.provision.node.Configuration;
import com.yahoo.vespa.hosted.provision.provisioning.NodeRepositoryProvisioner;
import com.yahoo.vespa.hosted.provision.node.NodeFlavors;
import com.yahoo.vespa.curator.transaction.CuratorTransaction;
import com.yahoo.vespa.hosted.provision.testutils.FlavorConfigBuilder;
import org.junit.Test;
import java.time.Duration;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
/**
* @author bratseth
*/
public class RetiredExpirerTest {
private Curator curator = new MockCurator();
@Test
public void ensure_retired_nodes_time_out() throws InterruptedException {
ManualClock clock = new ManualClock();
Zone zone = new Zone(Environment.prod, RegionName.from("us-east"));
NodeFlavors nodeFlavors = FlavorConfigBuilder.createDummies("default");
NodeRepository nodeRepository = new NodeRepository(nodeFlavors, curator, clock);
NodeRepositoryProvisioner provisioner = new NodeRepositoryProvisioner(nodeRepository, nodeFlavors, zone);
createReadyNodes(7, nodeRepository, nodeFlavors);
createHostNodes(4, nodeRepository, nodeFlavors);
ApplicationId applicationId = ApplicationId.from(TenantName.from("foo"), ApplicationName.from("bar"), InstanceName.from("fuz"));
// Allocate content cluster of sizes 7 -> 2 -> 3:
// Should end up with 3 nodes in the cluster (one previously retired), and 3 retired
ClusterSpec cluster = ClusterSpec.from(ClusterSpec.Type.content, ClusterSpec.Id.from("test"), Optional.empty());
int wantedNodes;
activate(applicationId, cluster, wantedNodes=7, 1, provisioner);
activate(applicationId, cluster, wantedNodes=2, 1, provisioner);
activate(applicationId, cluster, wantedNodes=3, 1, provisioner);
assertEquals(7, nodeRepository.getNodes(applicationId, Node.State.active).size());
assertEquals(0, nodeRepository.getNodes(applicationId, Node.State.inactive).size());
// Cause inactivation of retired nodes
clock.advance(Duration.ofHours(30)); // Retire period spent
MockDeployer deployer =
new MockDeployer(provisioner,
Collections.singletonMap(applicationId, new MockDeployer.ApplicationContext(applicationId, cluster, wantedNodes, Optional.of("default"), 1)));
new RetiredExpirer(nodeRepository, deployer, clock, Duration.ofHours(12)).run();
assertEquals(3, nodeRepository.getNodes(applicationId, Node.State.active).size());
assertEquals(4, nodeRepository.getNodes(applicationId, Node.State.inactive).size());
assertEquals(1, deployer.redeployments);
// inactivated nodes are not retired
for (Node node : nodeRepository.getNodes(applicationId, Node.State.inactive))
assertFalse(node.allocation().get().membership().retired());
}
@Test
public void ensure_retired_groups_time_out() throws InterruptedException {
ManualClock clock = new ManualClock();
Zone zone = new Zone(Environment.prod, RegionName.from("us-east"));
NodeFlavors nodeFlavors = FlavorConfigBuilder.createDummies("default");
NodeRepository nodeRepository = new NodeRepository(nodeFlavors, curator, clock);
NodeRepositoryProvisioner provisioner = new NodeRepositoryProvisioner(nodeRepository, nodeFlavors, zone);
createReadyNodes(8, nodeRepository, nodeFlavors);
createHostNodes(4, nodeRepository, nodeFlavors);
ApplicationId applicationId = ApplicationId.from(TenantName.from("foo"), ApplicationName.from("bar"), InstanceName.from("fuz"));
ClusterSpec cluster = ClusterSpec.from(ClusterSpec.Type.content, ClusterSpec.Id.from("test"), Optional.empty());
activate(applicationId, cluster, 8, 8, provisioner);
activate(applicationId, cluster, 1, 1, provisioner);
assertEquals(8, nodeRepository.getNodes(applicationId, Node.State.active).size());
assertEquals(0, nodeRepository.getNodes(applicationId, Node.State.inactive).size());
// Cause inactivation of retired nodes
clock.advance(Duration.ofHours(30)); // Retire period spent
MockDeployer deployer =
new MockDeployer(provisioner,
Collections.singletonMap(applicationId, new MockDeployer.ApplicationContext(applicationId, cluster, 1, Optional.of("default"), 1)));
new RetiredExpirer(nodeRepository, deployer, clock, Duration.ofHours(12)).run();
assertEquals(1, nodeRepository.getNodes(applicationId, Node.State.active).size());
assertEquals(7, nodeRepository.getNodes(applicationId, Node.State.inactive).size());
assertEquals(1, deployer.redeployments);
// inactivated nodes are not retired
for (Node node : nodeRepository.getNodes(applicationId, Node.State.inactive))
assertFalse(node.allocation().get().membership().retired());
}
private void activate(ApplicationId applicationId, ClusterSpec cluster, int nodes, int groups, NodeRepositoryProvisioner provisioner) {
List<HostSpec> hosts = provisioner.prepare(applicationId, cluster, Capacity.fromNodeCount(nodes), groups, null);
NestedTransaction transaction = new NestedTransaction().add(new CuratorTransaction(curator));
provisioner.activate(transaction, applicationId, hosts);
transaction.commit();
}
private void createReadyNodes(int count, NodeRepository nodeRepository, NodeFlavors nodeFlavors) {
List<Node> nodes = new ArrayList<>(count);
for (int i = 0; i < count; i++)
nodes.add(nodeRepository.createNode("node" + i, "node" + i, Optional.empty(), new Configuration(nodeFlavors.getFlavorOrThrow("default")), Node.Type.tenant));
nodes = nodeRepository.addNodes(nodes);
nodeRepository.setReady(nodes);
}
private void createHostNodes(int count, NodeRepository nodeRepository, NodeFlavors nodeFlavors) {
List<Node> nodes = new ArrayList<>(count);
for (int i = 0; i < count; i++)
nodes.add(nodeRepository.createNode("parent" + i, "parent" + i, Optional.empty(), new Configuration(nodeFlavors.getFlavorOrThrow("default")), Node.Type.host));
nodes = nodeRepository.addNodes(nodes);
nodeRepository.setReady(nodes);
}
}
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