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Bugfix/496 rollover alias with filters (opensearch-project#4499)
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* 496: Added filters, indexRouting and searchRouting when doing rollover on alias

Signed-off-by: Stevan Buzejic <buzejic.stevan@gmail.com>

* 496: Removed unused map property in metada alias rollover tests

Signed-off-by: Stevan Buzejic <buzejic.stevan@gmail.com>

Signed-off-by: Stevan Buzejic <buzejic.stevan@gmail.com>
Co-authored-by: Stevan Buzejic <stevan.buzejic@htecgroup.com>
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@stevanbz @stevanbuzejic @ashking94
2 people authored and ashking94 committed Nov 7, 2022
1 parent c646e6b commit be19009
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Showing 4 changed files with 187 additions and 9 deletions.
1 change: 1 addition & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -87,6 +87,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
- [Segment Replication] Ignore lock file when testing cleanupAndPreserveLatestCommitPoint ([#4544](https://github.com/opensearch-project/OpenSearch/pull/4544))
- Updated jackson to 2.13.4 and snakeyml to 1.32 ([#4556](https://github.com/opensearch-project/OpenSearch/pull/4556))
- [Bug]: Fixed invalid location of JDK dependency for arm64 architecture([#4613](https://github.com/opensearch-project/OpenSearch/pull/4613))
- [Bug]: Alias filter lost after rollover ([#4499](https://github.com/opensearch-project/OpenSearch/pull/4499))

### Security
- CVE-2022-25857 org.yaml:snakeyaml DOS vulnerability ([#4341](https://github.com/opensearch-project/OpenSearch/pull/4341))
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36 changes: 31 additions & 5 deletions ...r/src/main/java/org/opensearch/action/admin/indices/rollover/MetadataRolloverService.java
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Expand Up @@ -188,7 +188,7 @@ private RolloverResult rolloverAlias(
ClusterState newState = createIndexService.applyCreateIndexRequest(currentState, createIndexClusterStateRequest, silent);
newState = indexAliasesService.applyAliasActions(
newState,
rolloverAliasToNewIndex(sourceIndexName, rolloverIndexName, explicitWriteIndex, aliasMetadata.isHidden(), aliasName)
rolloverAliasToNewIndex(sourceIndexName, rolloverIndexName, explicitWriteIndex, aliasMetadata, aliasName)
);

RolloverInfo rolloverInfo = new RolloverInfo(aliasName, metConditions, threadPool.absoluteTimeInMillis());
Expand Down Expand Up @@ -309,20 +309,46 @@ static List<AliasAction> rolloverAliasToNewIndex(
String oldIndex,
String newIndex,
boolean explicitWriteIndex,
@Nullable Boolean isHidden,
AliasMetadata aliasMetadata,
String alias
) {
String filterAsString = aliasMetadata.getFilter() != null ? aliasMetadata.getFilter().string() : null;

if (explicitWriteIndex) {
return Collections.unmodifiableList(
Arrays.asList(
new AliasAction.Add(newIndex, alias, null, null, null, true, isHidden),
new AliasAction.Add(oldIndex, alias, null, null, null, false, isHidden)
new AliasAction.Add(
newIndex,
alias,
filterAsString,
aliasMetadata.getIndexRouting(),
aliasMetadata.getSearchRouting(),
true,
aliasMetadata.isHidden()
),
new AliasAction.Add(
oldIndex,
alias,
filterAsString,
aliasMetadata.getIndexRouting(),
aliasMetadata.getSearchRouting(),
false,
aliasMetadata.isHidden()
)
)
);
} else {
return Collections.unmodifiableList(
Arrays.asList(
new AliasAction.Add(newIndex, alias, null, null, null, null, isHidden),
new AliasAction.Add(
newIndex,
alias,
filterAsString,
aliasMetadata.getIndexRouting(),
aliasMetadata.getSearchRouting(),
null,
aliasMetadata.isHidden()
),
new AliasAction.Remove(oldIndex, alias, null)
)
);
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12 changes: 12 additions & 0 deletions server/src/main/java/org/opensearch/cluster/metadata/AliasAction.java
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Expand Up @@ -138,6 +138,18 @@ public String getAlias() {
return alias;
}

public String getFilter() {
return filter;
}

public String getSearchRouting() {
return searchRouting;
}

public String getIndexRouting() {
return indexRouting;
}

public Boolean writeIndex() {
return writeIndex;
}
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147 changes: 143 additions & 4 deletions .../test/java/org/opensearch/action/admin/indices/rollover/MetadataRolloverServiceTests.java
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Original file line number Diff line number Diff line change
Expand Up @@ -126,7 +126,13 @@ public void testRolloverAliasActions() {
String sourceIndex = randomAlphaOfLength(10);
String targetIndex = randomAlphaOfLength(10);

List<AliasAction> actions = MetadataRolloverService.rolloverAliasToNewIndex(sourceIndex, targetIndex, false, null, sourceAlias);
List<AliasAction> actions = MetadataRolloverService.rolloverAliasToNewIndex(
sourceIndex,
targetIndex,
false,
createDefaultAliasMetadata(sourceAlias, null),
sourceAlias
);
assertThat(actions, hasSize(2));
boolean foundAdd = false;
boolean foundRemove = false;
Expand All @@ -149,7 +155,13 @@ public void testRolloverAliasActionsWithExplicitWriteIndex() {
String sourceAlias = randomAlphaOfLength(10);
String sourceIndex = randomAlphaOfLength(10);
String targetIndex = randomAlphaOfLength(10);
List<AliasAction> actions = MetadataRolloverService.rolloverAliasToNewIndex(sourceIndex, targetIndex, true, null, sourceAlias);
List<AliasAction> actions = MetadataRolloverService.rolloverAliasToNewIndex(
sourceIndex,
targetIndex,
true,
createDefaultAliasMetadata(sourceAlias, null),
sourceAlias
);

assertThat(actions, hasSize(2));
boolean foundAddWrite = false;
Expand All @@ -172,11 +184,64 @@ public void testRolloverAliasActionsWithExplicitWriteIndex() {
assertTrue(foundRemoveWrite);
}

public void testRolloverAliasActionsWithFilterAndExplicitWriteIndex() {
String sourceAlias = randomAlphaOfLength(10);
String sourceIndex = randomAlphaOfLength(10);
String targetIndex = randomAlphaOfLength(10);
String indexRouting = randomAlphaOfLength(10);
String sourceRouting = randomAlphaOfLength(10);
AliasMetadata aliasMetadata = createAliasMetadata(
sourceAlias,
Collections.singletonMap(randomAlphaOfLength(2), randomAlphaOfLength(2)),
indexRouting,
sourceRouting,
true
);

List<AliasAction> actions = MetadataRolloverService.rolloverAliasToNewIndex(
sourceIndex,
targetIndex,
true,
aliasMetadata,
sourceAlias
);

assertThat(actions, hasSize(2));
boolean foundAddWrite = false;
boolean foundRemoveWrite = false;
for (AliasAction action : actions) {
AliasAction.Add addAction = (AliasAction.Add) action;
if (action.getIndex().equals(targetIndex)) {
assertEquals(sourceAlias, addAction.getAlias());
assertEquals(aliasMetadata.filter().string(), addAction.getFilter());
assertEquals(indexRouting, addAction.getIndexRouting());
assertEquals(sourceRouting, addAction.getSearchRouting());

assertTrue(addAction.writeIndex());
foundAddWrite = true;
} else if (action.getIndex().equals(sourceIndex)) {
assertEquals(sourceAlias, addAction.getAlias());
assertFalse(addAction.writeIndex());
foundRemoveWrite = true;
} else {
throw new AssertionError("Unknown index [" + action.getIndex() + "]");
}
}
assertTrue(foundAddWrite);
assertTrue(foundRemoveWrite);
}

public void testRolloverAliasActionsWithHiddenAliasAndExplicitWriteIndex() {
String sourceAlias = randomAlphaOfLength(10);
String sourceIndex = randomAlphaOfLength(10);
String targetIndex = randomAlphaOfLength(10);
List<AliasAction> actions = MetadataRolloverService.rolloverAliasToNewIndex(sourceIndex, targetIndex, true, true, sourceAlias);
List<AliasAction> actions = MetadataRolloverService.rolloverAliasToNewIndex(
sourceIndex,
targetIndex,
true,
createDefaultAliasMetadata(sourceAlias, true),
sourceAlias
);

assertThat(actions, hasSize(2));
boolean foundAddWrite = false;
Expand All @@ -202,11 +267,66 @@ public void testRolloverAliasActionsWithHiddenAliasAndExplicitWriteIndex() {
assertTrue(foundRemoveWrite);
}

public void testRolloverAliasActionsWithFilterAndHiddenAliasAndImplicitWriteIndex() {
String sourceAlias = randomAlphaOfLength(10);
String sourceIndex = randomAlphaOfLength(10);
String targetIndex = randomAlphaOfLength(10);
String indexRouting = randomAlphaOfLength(10);
String sourceRouting = randomAlphaOfLength(10);
AliasMetadata aliasMetadata = createAliasMetadata(
sourceAlias,
Collections.singletonMap(randomAlphaOfLength(2), randomAlphaOfLength(2)),
indexRouting,
sourceRouting,
true
);

List<AliasAction> actions = MetadataRolloverService.rolloverAliasToNewIndex(
sourceIndex,
targetIndex,
false,
aliasMetadata,
sourceAlias
);

assertThat(actions, hasSize(2));
boolean foundAddWrite = false;
boolean foundRemoveWrite = false;
for (AliasAction action : actions) {
if (action.getIndex().equals(targetIndex)) {
assertThat(action, instanceOf(AliasAction.Add.class));
AliasAction.Add addAction = (AliasAction.Add) action;
assertEquals(sourceAlias, addAction.getAlias());
assertThat(addAction.writeIndex(), nullValue());
assertTrue(addAction.isHidden());
assertEquals(aliasMetadata.filter().string(), addAction.getFilter());
assertEquals(indexRouting, addAction.getIndexRouting());
assertEquals(sourceRouting, addAction.getSearchRouting());
foundAddWrite = true;
} else if (action.getIndex().equals(sourceIndex)) {
assertThat(action, instanceOf(AliasAction.Remove.class));
AliasAction.Remove removeAction = (AliasAction.Remove) action;
assertEquals(sourceAlias, removeAction.getAlias());
foundRemoveWrite = true;
} else {
throw new AssertionError("Unknown index [" + action.getIndex() + "]");
}
}
assertTrue(foundAddWrite);
assertTrue(foundRemoveWrite);
}

public void testRolloverAliasActionsWithHiddenAliasAndImplicitWriteIndex() {
String sourceAlias = randomAlphaOfLength(10);
String sourceIndex = randomAlphaOfLength(10);
String targetIndex = randomAlphaOfLength(10);
List<AliasAction> actions = MetadataRolloverService.rolloverAliasToNewIndex(sourceIndex, targetIndex, false, true, sourceAlias);
List<AliasAction> actions = MetadataRolloverService.rolloverAliasToNewIndex(
sourceIndex,
targetIndex,
false,
createDefaultAliasMetadata(sourceAlias, true),
sourceAlias
);

assertThat(actions, hasSize(2));
boolean foundAddWrite = false;
Expand Down Expand Up @@ -1010,4 +1130,23 @@ private static IndexMetadata createMetadata(String indexName) {
.settings(settings)
.build();
}

private static AliasMetadata createDefaultAliasMetadata(String alias, Boolean isHidden) {
return AliasMetadata.builder(alias).isHidden(isHidden).build();
}

private static AliasMetadata createAliasMetadata(
String alias,
Map filter,
String indexRouting,
String searchRouting,
Boolean isHidden
) {
return AliasMetadata.builder(alias)
.isHidden(isHidden)
.filter(filter)
.indexRouting(indexRouting)
.searchRouting(searchRouting)
.build();
}
}

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