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// Copyright Yahoo. 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.component.Version;
import com.yahoo.config.provision.CloudName;
import com.yahoo.config.provision.zone.ZoneApi;
import com.yahoo.vespa.hosted.controller.ControllerTester;
import com.yahoo.vespa.hosted.controller.api.integration.deployment.StableOsVersion;
import com.yahoo.vespa.hosted.controller.integration.ZoneApiMock;
import com.yahoo.vespa.hosted.controller.versions.OsVersionTarget;
import org.junit.Test;
import java.time.Duration;
import java.time.Instant;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* @author mpolden
*/
public class OsUpgradeSchedulerTest {
@Test
public void schedule_calendar_versioned_release() {
ControllerTester tester = new ControllerTester();
OsUpgradeScheduler scheduler = new OsUpgradeScheduler(tester.controller(), Duration.ofDays(1));
Instant t0 = Instant.parse("2021-01-23T00:00:00.00Z"); // Outside trigger period
tester.clock().setInstant(t0);
CloudName cloud = CloudName.from("cloud");
ZoneApi zone = zone("prod.us-west-1", cloud);
tester.zoneRegistry().setZones(zone).reprovisionToUpgradeOsIn(zone);
// Initial run does nothing as the cloud does not have a target
scheduler.maintain();
assertTrue("No target set", tester.controller().osVersionTarget(cloud).isEmpty());
// Target is set
Version version0 = Version.fromString("7.0.0.20210123190005");
tester.controller().upgradeOsIn(cloud, version0, Duration.ofDays(1), false);
// Target remains unchanged as it hasn't expired yet
for (var interval : List.of(Duration.ZERO, Duration.ofDays(30))) {
tester.clock().advance(interval);
scheduler.maintain();
assertEquals(version0, tester.controller().osVersionTarget(cloud).get().osVersion().version());
}
// Just over 45 days pass, and a new target replaces the expired one
Version version1 = Version.fromString("7.0.0.20210302");
tester.clock().advance(Duration.ofDays(15).plus(Duration.ofSeconds(1)));
scheduler.maintain();
assertEquals("Target is unchanged because we're outside trigger period", version0,
tester.controller().osVersionTarget(cloud).get().osVersion().version());
tester.clock().advance(Duration.ofHours(7)); // Put us inside the trigger period
scheduler.maintain();
assertEquals("New target set", version1,
tester.controller().osVersionTarget(cloud).get().osVersion().version());
// A few days pass and target remains unchanged
tester.clock().advance(Duration.ofDays(2));
scheduler.maintain();
assertEquals(version1, tester.controller().osVersionTarget(cloud).get().osVersion().version());
}
@Test
public void schedule_stable_release() {
ControllerTester tester = new ControllerTester();
OsUpgradeScheduler scheduler = new OsUpgradeScheduler(tester.controller(), Duration.ofDays(1));
Instant t0 = Instant.parse("2021-06-21T07:00:00.00Z"); // Inside trigger period
tester.clock().setInstant(t0);
// Set initial target
CloudName cloud = tester.controller().clouds().iterator().next();
Version version0 = Version.fromString("8.0");
tester.controller().upgradeOsIn(cloud, version0, Duration.ZERO, false);
// New version is promoted to stable
Version version1 = Version.fromString("8.1");
tester.serviceRegistry().artifactRepository().promoteOsVersion(new StableOsVersion(version1, tester.clock().instant()));
scheduler.maintain();
assertEquals("Target is unchanged as not enough time has passed", version0,
tester.controller().osVersionTarget(cloud).get().osVersion().version());
// Enough time passes since promotion of stable release
tester.clock().advance(Duration.ofDays(7).plus(Duration.ofSeconds(1)));
scheduler.maintain();
OsVersionTarget target0 = tester.controller().osVersionTarget(cloud).get();
assertEquals(version1, target0.osVersion().version());
assertEquals("No budget when upgrading to stable release",
Duration.ZERO, target0.upgradeBudget());
// Another version is promoted, but target remains unchanged as the release hasn't aged enough
tester.clock().advance(Duration.ofDays(1));
Version version2 = Version.fromString("8.2");
tester.serviceRegistry().artifactRepository().promoteOsVersion(new StableOsVersion(version2, tester.clock().instant()));
scheduler.maintain();
OsVersionTarget target1 = tester.controller().osVersionTarget(cloud).get();
assertEquals("Target is unchanged as not enough time has passed", version1,
target1.osVersion().version());
assertEquals("Target is not re-scheduled", target0.scheduledAt(), target1.scheduledAt());
// A newer version is triggered manually
Version version3 = Version.fromString("8.3");
tester.controller().upgradeOsIn(cloud, version3, Duration.ZERO, false);
// Enough time passes for stable version to be promoted. Nothing happens as stable is now before the manually
// triggered version
tester.clock().advance(Duration.ofDays(7).plus(Duration.ofSeconds(1)));
scheduler.maintain();
assertEquals(version3, tester.controller().osVersionTarget(cloud).get().osVersion().version());
}
private static ZoneApi zone(String id, CloudName cloud) {
return ZoneApiMock.newBuilder().withId(id).with(cloud).build();
}
}
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