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Code Issues Actions 2 Packages Projects Releases Wiki Activity

KAFKA-14243: Temporarily disable unsafe downgrade (#12664) 

Reviewers: David Arthur <mumrah@gmail.com>
This commit is contained in:
Colin Patrick McCabe 2022-09-20 12:32:52 -07:00 committed by GitHub
parent 8ddc9509cf
commit ae4bb0c6fa
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3 changed files with 20 additions and 3 deletions
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5
core/src/test/scala/unit/kafka/admin/FeatureCommandTest.scala
View File

@ -155,9 +155,10 @@ class FeatureCommandTest extends IntegrationTestHarness {
"Retry using UNSAFE_DOWNGRADE if you want to force the downgrade to proceed.", env.outputWithoutEpoch())
}
TestUtils.resource(FeatureCommandTestEnv()) { env =>
assertEquals(0, FeatureCommand.mainNoExit(Array("--bootstrap-server", bootstrapServers(),
assertEquals(1, FeatureCommand.mainNoExit(Array("--bootstrap-server", bootstrapServers(),
"downgrade", "--unsafe", "--metadata", "3.3-IV0"), env.out))
assertEquals("metadata.version was downgraded to 4.", env.outputWithoutEpoch())
assertEquals("Could not downgrade metadata.version to 4. Invalid metadata.version 4. " +
"Unsafe metadata downgrade is not supported in this version.", env.outputWithoutEpoch())
}
}
}

3
metadata/src/main/java/org/apache/kafka/controller/FeatureControlManager.java
View File

@ -255,7 +255,8 @@ public class FeatureControlManager {
if (!metadataChanged) {
log.info("Downgrading metadata.version from {} to {}.", currentVersion, newVersion);
} else if (allowUnsafeDowngrade) {
log.info("Downgrading metadata.version unsafely from {} to {}.", currentVersion, newVersion);
return invalidMetadataVersion(newVersionLevel, "Unsafe metadata downgrade is not supported " +
"in this version.");
} else {
return invalidMetadataVersion(newVersionLevel, "Refusing to perform the requested " +
"downgrade because it might delete metadata information. Retry using " +

15
metadata/src/test/java/org/apache/kafka/controller/FeatureControlManagerTest.java
View File

@ -37,6 +37,7 @@ import org.apache.kafka.metadata.VersionRange;
import org.apache.kafka.server.common.ApiMessageAndVersion;
import org.apache.kafka.server.common.MetadataVersion;
import org.apache.kafka.timeline.SnapshotRegistry;
import org.junit.jupiter.api.Disabled;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.Timeout;
@ -326,6 +327,20 @@ public class FeatureControlManagerTest {
true));
}
@Test
public void testUnsafeDowngradeIsTemporarilyDisabled() {
FeatureControlManager manager = TEST_MANAGER_BUILDER1.build();
assertEquals(ControllerResult.of(Collections.emptyList(),
singletonMap(MetadataVersion.FEATURE_NAME, new ApiError(Errors.INVALID_UPDATE_VERSION,
"Invalid metadata.version 4. Unsafe metadata downgrade is not supported in this version."))),
manager.updateFeatures(
singletonMap(MetadataVersion.FEATURE_NAME, MetadataVersion.IBP_3_3_IV0.featureLevel()),
singletonMap(MetadataVersion.FEATURE_NAME, FeatureUpdate.UpgradeType.UNSAFE_DOWNGRADE),
emptyMap(),
true));
}
@Disabled
@Test
public void testCanUseUnsafeDowngradeIfMetadataChanged() {
FeatureControlManager manager = TEST_MANAGER_BUILDER1.build();