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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.controller.maintenance;
import com.yahoo.config.provision.HostName;
import com.yahoo.config.provision.NodeType;
import com.yahoo.config.provision.zone.ZoneId;
import com.yahoo.vespa.hosted.controller.ControllerTester;
import com.yahoo.vespa.hosted.controller.api.integration.aws.CloudEvent;
import com.yahoo.vespa.hosted.controller.api.integration.aws.MockCloudEventFetcher;
import com.yahoo.vespa.hosted.controller.api.integration.configserver.Node;
import com.yahoo.vespa.hosted.controller.integration.ZoneApiMock;
import org.junit.Test;
import java.time.Duration;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
import static org.junit.Assert.assertEquals;
/**
* @author olaa
*/
public class CloudEventTrackerTest {
private final ControllerTester tester = new ControllerTester();
private final ZoneApiMock unsupportedZone = createZone("prod.zone3", "region-1", "other");
private final ZoneApiMock zone1 = createZone("prod.zone1", "region-1", "aws");
private final ZoneApiMock zone2 = createZone("prod.zone2", "region-2", "aws");
/**
* Test scenario: Consider three zones, two of which are supported
*
* We want to test the following:
* 1. Unsupported zone is completely ignored
* 2. Hosts affected by cloud event are deprovisioned
*/
@Test
public void maintain() {
setUpZones();
CloudEventTracker cloudEventTracker = new CloudEventTracker(tester.controller(), Duration.ofMinutes(15));
assertEquals(Set.of("host1.com", "host2.com", "host3.com"), hostsNotDeprovisioning(unsupportedZone.getId()));
assertEquals(Set.of("host1.com", "host2.com", "host3.com"), hostsNotDeprovisioning(zone1.getId()));
assertEquals(Set.of("host4.com", "host5.com", "confighost.com"), hostsNotDeprovisioning(zone2.getId()));
mockEvents();
cloudEventTracker.maintain();
assertEquals(Set.of("host1.com", "host2.com", "host3.com"), hostsNotDeprovisioning(unsupportedZone.getId()));
assertEquals(Set.of("host3.com"), hostsNotDeprovisioning(zone1.getId()));
assertEquals(Set.of("host4.com"), hostsNotDeprovisioning(zone2.getId()));
}
private void mockEvents() {
MockCloudEventFetcher eventFetcher = (MockCloudEventFetcher) tester.controller().serviceRegistry().eventFetcherService();
Date date = new Date();
CloudEvent event1 = new CloudEvent("event 1",
"instance code",
"description",
date,
date,
date,
"region-1",
Set.of("host1", "host2"));
CloudEvent event2 = new CloudEvent("event 2",
"instance code",
"description",
date,
date,
date,
"region-2",
Set.of("host5", "confighost"));
eventFetcher.addEvent("region-1", event1);
eventFetcher.addEvent("region-2", event2);
}
private void setUpZones() {
tester.zoneRegistry().setZones(
unsupportedZone,
zone1,
zone2);
tester.configServer().nodeRepository().putNodes(
unsupportedZone.getId(),
createNodesWithHostnames(
"host1.com",
"host2.com",
"host3.com"
)
);
tester.configServer().nodeRepository().putNodes(
zone1.getId(),
createNodesWithHostnames(
"host1.com",
"host2.com",
"host3.com"
)
);
tester.configServer().nodeRepository().putNodes(
zone2.getId(),
createNodesWithHostnames(
"host4.com",
"host5.com"
)
);
tester.configServer().nodeRepository().putNodes(
zone2.getId(),
List.of(createNode("confighost.com", NodeType.confighost))
);
}
private List<Node> createNodesWithHostnames(String... hostnames) {
return Arrays.stream(hostnames)
.map(hostname -> createNode(hostname, NodeType.host))
.collect(Collectors.toUnmodifiableList());
}
private Node createNode(String hostname, NodeType nodeType) {
return Node.builder()
.hostname(HostName.from(hostname))
.type(nodeType)
.build();
}
private Set<String> hostsNotDeprovisioning(ZoneId zoneId) {
return tester.configServer().nodeRepository().list(zoneId, false)
.stream()
.filter(node -> !node.wantToDeprovision())
.map(node -> node.hostname().value())
.collect(Collectors.toSet());
}
private ZoneApiMock createZone(String zoneId, String cloudNativeRegionName, String cloud) {
return ZoneApiMock.newBuilder().withId(zoneId)
.withCloudNativeRegionName(cloudNativeRegionName)
.withCloud(cloud)
.build();
}
}
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