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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.SystemName;
import com.yahoo.config.provision.zone.ZoneApi;
import com.yahoo.vespa.hosted.controller.ControllerTester;
import com.yahoo.vespa.hosted.controller.api.integration.deployment.OsRelease;
import com.yahoo.vespa.hosted.controller.integration.ZoneApiMock;
import com.yahoo.vespa.hosted.controller.versions.OsVersionTarget;
import org.junit.jupiter.api.Test;
import java.time.Duration;
import java.time.Instant;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.ZoneOffset;
import java.time.format.DateTimeFormatter;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertTrue;
/**
* @author mpolden
*/
public class OsUpgradeSchedulerTest {
@Test
void schedule_calendar_versioned_release() {
ControllerTester tester = new ControllerTester();
OsUpgradeScheduler scheduler = new OsUpgradeScheduler(tester.controller(), Duration.ofDays(1));
Instant t0 = Instant.parse("2022-01-16T00:00:00.00Z"); // 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(tester.controller().osVersionTarget(cloud).isEmpty(), "No target set");
// Target is set manually
Version version0 = Version.fromString("7.0.0.20220101");
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());
}
// Enough days pass that the next release is triggered
Version version1 = Version.fromString("7.0.0.20220228");
tester.clock().advance(Duration.ofDays(30));
scheduler.maintain();
assertEquals(version0,
tester.controller().osVersionTarget(cloud).get().osVersion().version(),
"Target is unchanged because we're outside trigger period");
tester.clock().advance(Duration.ofHours(9).plusMinutes(5)); // Put us inside the trigger period
assertEquals("2022-03-17T09:05:00", formatInstant(tester.clock().instant()));
Optional<OsUpgradeScheduler.Change> change = scheduler.changeIn(cloud);
assertTrue(change.isPresent());
assertEquals("2022-03-17T07:00:00", formatInstant(change.get().scheduleAt()));
scheduler.maintain();
assertEquals(version1,
tester.controller().osVersionTarget(cloud).get().osVersion().version(),
"New target set");
// A few more days pass and target remains unchanged
tester.clock().advance(Duration.ofDays(2));
scheduler.maintain();
assertEquals(version1, tester.controller().osVersionTarget(cloud).get().osVersion().version());
// Estimate next change
Optional<OsUpgradeScheduler.Change> nextChange = scheduler.changeIn(cloud);
assertTrue(nextChange.isPresent());
assertEquals("7.0.0.20220425", nextChange.get().version().toFullString());
assertEquals("2022-05-02T07:00:00", formatInstant(nextChange.get().scheduleAt()));
}
@Test
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);
// Stable release is scheduled immediately
Version version1 = Version.fromString("8.1");
tester.serviceRegistry().artifactRepository().addRelease(new OsRelease(version1, OsRelease.Tag.stable,
tester.clock().instant()));
scheduleUpgradeAfter(Duration.ZERO, version1, scheduler, tester);
// A newer version is triggered manually
Version version3 = Version.fromString("8.3");
tester.controller().upgradeOsIn(cloud, version3, Duration.ZERO, false);
// Nothing happens in next iteration as tagged release is older than manually triggered version
scheduleUpgradeAfter(Duration.ofDays(7), version3, scheduler, tester);
// Next change cannot be estimated for tagged releases
assertTrue(scheduler.changeIn(cloud).isEmpty(), "Next change is unknown");
}
@Test
void schedule_latest_release_in_cd() {
ControllerTester tester = new ControllerTester(SystemName.cd);
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);
// Latest release is not scheduled immediately
Version version1 = Version.fromString("8.1");
tester.serviceRegistry().artifactRepository().addRelease(new OsRelease(version1, OsRelease.Tag.latest,
tester.clock().instant()));
scheduleUpgradeAfter(Duration.ZERO, version0, scheduler, tester);
// Cooldown period passes and latest release is scheduled
scheduleUpgradeAfter(Duration.ofDays(1), version1, scheduler, tester);
}
@Test
void schedule_of_calender_versioned_releases() {
Map<String, String> tests = Map.of("2022-01-01", "2021-12-27",
"2022-03-01", "2021-12-27",
"2022-03-02", "2022-02-28",
"2022-04-30", "2022-02-28",
"2022-05-01", "2022-04-25",
"2022-06-29", "2022-04-25",
"2022-07-01", "2022-06-27",
"2022-08-28", "2022-06-27",
"2022-08-29", "2022-08-29");
tests.forEach((now, expectedVersion) -> {
Instant instant = LocalDate.parse(now).atStartOfDay().toInstant(ZoneOffset.UTC);
LocalDate dateOfWantedVersion = OsUpgradeScheduler.CalendarVersionedRelease.dateOfWantedVersion(instant);
assertEquals(LocalDate.parse(expectedVersion), dateOfWantedVersion, "scheduled wanted version at " + now);
});
}
private void scheduleUpgradeAfter(Duration duration, Version version, OsUpgradeScheduler scheduler, ControllerTester tester) {
tester.clock().advance(duration);
scheduler.maintain();
CloudName cloud = tester.controller().clouds().iterator().next();
OsVersionTarget target = tester.controller().osVersionTarget(cloud).get();
assertEquals(version, target.osVersion().version());
assertEquals(Duration.ZERO, target.upgradeBudget(), "No budget when scheduling a tagged release");
}
private static ZoneApi zone(String id, CloudName cloud) {
return ZoneApiMock.newBuilder().withId(id).with(cloud).build();
}
private static String formatInstant(Instant instant) {
return LocalDateTime.ofInstant(instant, ZoneOffset.UTC).format(DateTimeFormatter.ISO_DATE_TIME);
}
}
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