throw exception when ilm-rollover-step runs on index without rollover alias (#35065)

The ILM Rollover Step can execute on the incorrect index if the rollover alias
exists on another valid index, but not the one the step is executing against. This
is a problem and is now guarded against
This commit is contained in:
Tal Levy 2018-10-30 16:42:12 -07:00 committed by GitHub
parent 5141084048
commit fdb0db30c4
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2 changed files with 36 additions and 0 deletions

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@ -45,6 +45,13 @@ public class RolloverStep extends AsyncWaitStep {
return;
}
if (indexMetaData.getAliases().containsKey(rolloverAlias) == false) {
listener.onFailure(new IllegalArgumentException(String.format(Locale.ROOT,
"%s [%s] does not point to index [%s]", RolloverAction.LIFECYCLE_ROLLOVER_ALIAS, rolloverAlias,
indexMetaData.getIndex().getName())));
return;
}
RolloverRequest rolloverRequest = new RolloverRequest(rolloverAlias, null);
if (maxAge != null) {
rolloverRequest.addMaxIndexAgeCondition(maxAge);

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@ -17,6 +17,7 @@ import org.elasticsearch.action.admin.indices.rollover.RolloverResponse;
import org.elasticsearch.client.AdminClient;
import org.elasticsearch.client.Client;
import org.elasticsearch.client.IndicesAdminClient;
import org.elasticsearch.cluster.metadata.AliasMetaData;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.common.unit.ByteSizeUnit;
import org.elasticsearch.common.unit.ByteSizeValue;
@ -113,6 +114,7 @@ public class RolloverStepTests extends AbstractStepTestCase<RolloverStep> {
public void testPerformAction() {
String alias = randomAlphaOfLength(5);
IndexMetaData indexMetaData = IndexMetaData.builder(randomAlphaOfLength(10))
.putAlias(AliasMetaData.builder(alias))
.settings(settings(Version.CURRENT).put(RolloverAction.LIFECYCLE_ROLLOVER_ALIAS, alias))
.numberOfShards(randomIntBetween(1, 5)).numberOfReplicas(randomIntBetween(0, 5)).build();
@ -171,6 +173,7 @@ public class RolloverStepTests extends AbstractStepTestCase<RolloverStep> {
public void testPerformActionNotComplete() {
String alias = randomAlphaOfLength(5);
IndexMetaData indexMetaData = IndexMetaData.builder(randomAlphaOfLength(10))
.putAlias(AliasMetaData.builder(alias))
.settings(settings(Version.CURRENT).put(RolloverAction.LIFECYCLE_ROLLOVER_ALIAS, alias))
.numberOfShards(randomIntBetween(1, 5)).numberOfReplicas(randomIntBetween(0, 5)).build();
RolloverStep step = createRandomInstance();
@ -228,6 +231,7 @@ public class RolloverStepTests extends AbstractStepTestCase<RolloverStep> {
public void testPerformActionFailure() {
String alias = randomAlphaOfLength(5);
IndexMetaData indexMetaData = IndexMetaData.builder(randomAlphaOfLength(10))
.putAlias(AliasMetaData.builder(alias))
.settings(settings(Version.CURRENT).put(RolloverAction.LIFECYCLE_ROLLOVER_ALIAS, alias))
.numberOfShards(randomIntBetween(1, 5)).numberOfReplicas(randomIntBetween(0, 5)).build();
Exception exception = new RuntimeException();
@ -309,4 +313,29 @@ public class RolloverStepTests extends AbstractStepTestCase<RolloverStep> {
indexMetaData.getIndex().getName())));
}
public void testPerformActionAliasDoesNotPointToIndex() {
String alias = randomAlphaOfLength(5);
IndexMetaData indexMetaData = IndexMetaData.builder(randomAlphaOfLength(10))
.settings(settings(Version.CURRENT).put(RolloverAction.LIFECYCLE_ROLLOVER_ALIAS, alias))
.numberOfShards(randomIntBetween(1, 5)).numberOfReplicas(randomIntBetween(0, 5)).build();
RolloverStep step = createRandomInstance();
SetOnce<Exception> exceptionThrown = new SetOnce<>();
step.evaluateCondition(indexMetaData, new AsyncWaitStep.Listener() {
@Override
public void onResponse(boolean complete, ToXContentObject obj) {
throw new AssertionError("Unexpected method call");
}
@Override
public void onFailure(Exception e) {
exceptionThrown.set(e);
}
});
assertThat(exceptionThrown.get().getClass(), equalTo(IllegalArgumentException.class));
assertThat(exceptionThrown.get().getMessage(), equalTo(String.format(Locale.ROOT,
"%s [%s] does not point to index [%s]", RolloverAction.LIFECYCLE_ROLLOVER_ALIAS, alias,
indexMetaData.getIndex().getName())));
}
}