[Remove] LegacyESVersion.V_7_10_* constants

CHANGELOG.md

@@ -128,6 +128,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Revert PR 4656 to unblock Windows CI ([#4949](https://github.com/opensearch-project/OpenSearch/pull/4949))
 - Remove LegacyESVersion.V_7_8_ and V_7_9_ Constants ([#4855](https://github.com/opensearch-project/OpenSearch/pull/4855))
 - Remove LegacyESVersion.V_7_6_ and V_7_7_ Constants ([#4837](https://github.com/opensearch-project/OpenSearch/pull/4837))
+- Remove LegacyESVersion.V_7_10_ Constants ([#5018](https://github.com/opensearch-project/OpenSearch/pull/5018))
 
 ### Fixed
 - `opensearch-service.bat start` and `opensearch-service.bat manager` failing to run ([#4289](https://github.com/opensearch-project/OpenSearch/pull/4289))

distribution/tools/upgrade-cli/src/main/java/org/opensearch/upgrade/ValidateInputTask.java

@@ -31,7 +31,7 @@ public void accept(final Tuple<TaskInput, Terminal> input) {
         // check if the elasticsearch version is supported
         if (taskInput.getVersion().isPresent()) {
             final Version version = taskInput.getVersion().get();
-            if (version.equals(LegacyESVersion.V_7_10_2) == false) {
+            if (version.equals(LegacyESVersion.fromId(7100299)) == false) {
                 throw new RuntimeException(
                     String.format(Locale.getDefault(), "The installed version %s of elasticsearch is not supported.", version)
                 );

distribution/tools/upgrade-cli/src/test/java/org/opensearch/upgrade/ValidateInputTaskTests.java

@@ -39,7 +39,7 @@ public void setTask() {
 
     public void testUnsupportedEsVersion() {
         TaskInput taskInput = new TaskInput(env);
-        taskInput.setVersion(LegacyESVersion.V_7_10_1);
+        taskInput.setVersion(LegacyESVersion.fromId(7100199));
 
         final RuntimeException e = expectThrows(RuntimeException.class, () -> task.accept(new Tuple<>(taskInput, terminal)));
 
@@ -51,7 +51,7 @@ public void testGetSummaryFields() {
         taskInput.setEsConfig(PathUtils.get("es_home"));
         taskInput.setCluster("some-cluster");
         taskInput.setNode("some-node");
-        taskInput.setVersion(LegacyESVersion.V_7_10_2);
+        taskInput.setVersion(LegacyESVersion.fromId(7100299));
         taskInput.setBaseUrl("some-url");
         taskInput.setPlugins(Arrays.asList("plugin-1", "plugin-2"));
 

modules/ingest-common/src/main/java/org/opensearch/ingest/common/GrokProcessorGetAction.java

@@ -31,7 +31,6 @@
 
 package org.opensearch.ingest.common;
 
-import org.opensearch.LegacyESVersion;
 import org.opensearch.action.ActionListener;
 import org.opensearch.action.ActionRequest;
 import org.opensearch.action.ActionRequestValidationException;
@@ -79,7 +78,7 @@ public Request(boolean sorted) {
 
         Request(StreamInput in) throws IOException {
             super(in);
-            this.sorted = in.getVersion().onOrAfter(LegacyESVersion.V_7_10_0) ? in.readBoolean() : false;
+            this.sorted = in.readBoolean();
         }
 
         @Override
@@ -90,9 +89,7 @@ public ActionRequestValidationException validate() {
         @Override
         public void writeTo(StreamOutput out) throws IOException {
             super.writeTo(out);
-            if (out.getVersion().onOrAfter(LegacyESVersion.V_7_10_0)) {
-                out.writeBoolean(sorted);
-            }
+            out.writeBoolean(sorted);
         }
 
         public boolean sorted() {

qa/full-cluster-restart/src/test/java/org/opensearch/upgrades/FullClusterRestartIT.java

@@ -32,7 +32,6 @@
 
 package org.opensearch.upgrades;
 
-import org.opensearch.LegacyESVersion;
 import org.opensearch.Version;
 import org.opensearch.client.Request;
 import org.opensearch.client.Response;
@@ -72,7 +71,6 @@
 import static java.util.Collections.emptyMap;
 import static java.util.Collections.singletonList;
 import static java.util.Collections.singletonMap;
-import static org.opensearch.cluster.metadata.IndexNameExpressionResolver.SYSTEM_INDEX_ENFORCEMENT_VERSION;
 import static org.opensearch.cluster.routing.UnassignedInfo.INDEX_DELAYED_NODE_LEFT_TIMEOUT_SETTING;
 import static org.opensearch.cluster.routing.allocation.decider.MaxRetryAllocationDecider.SETTING_ALLOCATION_MAX_RETRY;
 import static org.opensearch.common.xcontent.XContentFactory.jsonBuilder;
@@ -1441,20 +1439,6 @@ public void testSystemIndexMetadataIsUpgraded() throws Exception {
                     throw new AssertionError(".tasks index does not exist yet");
                 }
             });
-
-            // If we are on 7.x create an alias that includes both a system index and a non-system index so we can be sure it gets
-            // upgraded properly. If we're already on 8.x, skip this part of the test.
-            if (minimumNodeVersion().before(SYSTEM_INDEX_ENFORCEMENT_VERSION)) {
-                // Create an alias to make sure it gets upgraded properly
-                Request putAliasRequest = new Request("POST", "/_aliases");
-                putAliasRequest.setJsonEntity("{\n" +
-                    "  \"actions\": [\n" +
-                    "    {\"add\":  {\"index\":  \".tasks\", \"alias\": \"test-system-alias\"}},\n" +
-                    "    {\"add\":  {\"index\":  \"test_index_reindex\", \"alias\": \"test-system-alias\"}}\n" +
-                    "  ]\n" +
-                    "}");
-                assertThat(client().performRequest(putAliasRequest).getStatusLine().getStatusCode(), is(200));
-            }
         } else {
             assertBusy(() -> {
                 Request clusterStateRequest = new Request("GET", "/_cluster/state/metadata");
@@ -1469,21 +1453,8 @@ public void testSystemIndexMetadataIsUpgraded() throws Exception {
                 XContentTestUtils.JsonMapView tasksIndex = new XContentTestUtils.JsonMapView((Map<String, Object>) indices.get(".tasks"));
                 assertThat(tasksIndex.get("system"), is(true));
 
-                // If .tasks was created in a 7.x version, it should have an alias on it that we need to make sure got upgraded properly.
                 final String tasksCreatedVersionString = tasksIndex.get("settings.index.version.created");
                 assertThat(tasksCreatedVersionString, notNullValue());
-                final Version tasksCreatedVersion = Version.fromId(Integer.parseInt(tasksCreatedVersionString));
-                if (tasksCreatedVersion.before(SYSTEM_INDEX_ENFORCEMENT_VERSION)) {
-                    // Verify that the alias survived the upgrade
-                    Request getAliasRequest = new Request("GET", "/_alias/test-system-alias");
-                    getAliasRequest.setOptions(expectVersionSpecificWarnings(v -> {
-                        v.current(systemIndexWarning);
-                        v.compatible(systemIndexWarning);
-                    }));
-                    Map<String, Object> aliasResponse = entityAsMap(client().performRequest(getAliasRequest));
-                    assertThat(aliasResponse, hasKey(".tasks"));
-                    assertThat(aliasResponse, hasKey("test_index_reindex"));
-                }
             });
         }
     }

qa/rolling-upgrade/src/test/java/org/opensearch/upgrades/SystemIndicesUpgradeIT.java

@@ -40,7 +40,6 @@
 
 import java.util.Map;
 
-import static org.opensearch.cluster.metadata.IndexNameExpressionResolver.SYSTEM_INDEX_ENFORCEMENT_VERSION;
 import static org.hamcrest.Matchers.hasKey;
 import static org.hamcrest.Matchers.is;
 import static org.hamcrest.Matchers.notNullValue;
@@ -97,20 +96,6 @@ public void testSystemIndicesUpgrades() throws Exception {
                     throw new AssertionError(".tasks index does not exist yet");
                 }
             });
-
-            // If we are on 7.x create an alias that includes both a system index and a non-system index so we can be sure it gets
-            // upgraded properly. If we're already on 8.x, skip this part of the test.
-            if (minimumNodeVersion().before(SYSTEM_INDEX_ENFORCEMENT_VERSION)) {
-                // Create an alias to make sure it gets upgraded properly
-                Request putAliasRequest = new Request("POST", "/_aliases");
-                putAliasRequest.setJsonEntity("{\n" +
-                    "  \"actions\": [\n" +
-                    "    {\"add\":  {\"index\":  \".tasks\", \"alias\": \"test-system-alias\"}},\n" +
-                    "    {\"add\":  {\"index\":  \"test_index_reindex\", \"alias\": \"test-system-alias\"}}\n" +
-                    "  ]\n" +
-                    "}");
-                assertThat(client().performRequest(putAliasRequest).getStatusLine().getStatusCode(), is(200));
-            }
         } else if (CLUSTER_TYPE == ClusterType.UPGRADED) {
             assertBusy(() -> {
                 Request clusterStateRequest = new Request("GET", "/_cluster/state/metadata");
@@ -125,21 +110,8 @@ public void testSystemIndicesUpgrades() throws Exception {
                 JsonMapView tasksIndex = new JsonMapView((Map<String, Object>) indices.get(".tasks"));
                 assertThat(tasksIndex.get("system"), is(true));
 
-                // If .tasks was created in a 7.x version, it should have an alias on it that we need to make sure got upgraded properly.
                 final String tasksCreatedVersionString = tasksIndex.get("settings.index.version.created");
                 assertThat(tasksCreatedVersionString, notNullValue());
-                final Version tasksCreatedVersion = Version.fromId(Integer.parseInt(tasksCreatedVersionString));
-                if (tasksCreatedVersion.before(SYSTEM_INDEX_ENFORCEMENT_VERSION)) {
-                    // Verify that the alias survived the upgrade
-                    Request getAliasRequest = new Request("GET", "/_alias/test-system-alias");
-                    getAliasRequest.setOptions(expectVersionSpecificWarnings(v -> {
-                        v.current(systemIndexWarning);
-                        v.compatible(systemIndexWarning);
-                    }));
-                    Map<String, Object> aliasResponse = entityAsMap(client().performRequest(getAliasRequest));
-                    assertThat(aliasResponse, hasKey(".tasks"));
-                    assertThat(aliasResponse, hasKey("test_index_reindex"));
-                }
             });
         }
     }

server/src/main/java/org/opensearch/LegacyESVersion.java

@@ -48,10 +48,6 @@
  */
 public class LegacyESVersion extends Version {
 
-    public static final LegacyESVersion V_7_10_0 = new LegacyESVersion(7100099, org.apache.lucene.util.Version.LUCENE_8_7_0);
-    public static final LegacyESVersion V_7_10_1 = new LegacyESVersion(7100199, org.apache.lucene.util.Version.LUCENE_8_7_0);
-    public static final LegacyESVersion V_7_10_2 = new LegacyESVersion(7100299, org.apache.lucene.util.Version.LUCENE_8_7_0);
-
     // todo move back to Version.java if retiring legacy version support
     protected static final ImmutableOpenIntMap<Version> idToVersion;
     protected static final ImmutableOpenMap<String, Version> stringToVersion;

server/src/main/java/org/opensearch/OpenSearchException.java

@@ -114,7 +114,6 @@ public class OpenSearchException extends RuntimeException implements ToXContentF
     private static final Map<Class<? extends OpenSearchException>, OpenSearchExceptionHandle> CLASS_TO_OPENSEARCH_EXCEPTION_HANDLE;
 
     private static final Pattern OS_METADATA = Pattern.compile("^opensearch\\.");
-    private static final Pattern ES_METADATA = Pattern.compile("^es\\.");
 
     private final Map<String, List<String>> metadata = new HashMap<>();
     private final Map<String, List<String>> headers = new HashMap<>();
@@ -158,16 +157,7 @@ public OpenSearchException(StreamInput in) throws IOException {
         super(in.readOptionalString(), in.readException());
         readStackTrace(this, in);
         headers.putAll(in.readMapOfLists(StreamInput::readString, StreamInput::readString));
-        metadata.putAll(in.readMapOfLists(OpenSearchException::readAndReplace, StreamInput::readString));
-    }
-
-    private static String readAndReplace(StreamInput in) throws IOException {
-        String str = in.readString();
-        return in.getVersion().onOrBefore(LegacyESVersion.V_7_10_2) ? ES_METADATA.matcher(str).replaceFirst("opensearch.") : str;
-    }
-
-    private static void replaceAndWrite(StreamOutput out, String str) throws IOException {
-        out.writeString(out.getVersion().onOrBefore(LegacyESVersion.V_7_10_2) ? OS_METADATA.matcher(str).replaceFirst("es.") : str);
+        metadata.putAll(in.readMapOfLists(StreamInput::readString, StreamInput::readString));
     }
 
     /**
@@ -310,7 +300,7 @@ public void writeTo(StreamOutput out) throws IOException {
         out.writeException(this.getCause());
         writeStackTraces(this, out, StreamOutput::writeException);
         out.writeMapOfLists(headers, StreamOutput::writeString, StreamOutput::writeString);
-        out.writeMapOfLists(metadata, OpenSearchException::replaceAndWrite, StreamOutput::writeString);
+        out.writeMapOfLists(metadata, StreamOutput::writeString, StreamOutput::writeString);
     }
 
     public static OpenSearchException readException(StreamInput input, int id) throws IOException {
@@ -1588,7 +1578,7 @@ private enum OpenSearchExceptionHandle {
             org.opensearch.transport.NoSeedNodeLeftException.class,
             org.opensearch.transport.NoSeedNodeLeftException::new,
             160,
-            LegacyESVersion.V_7_10_0
+            UNKNOWN_VERSION_ADDED
         ),
         REPLICATION_FAILED_EXCEPTION(
             org.opensearch.indices.replication.common.ReplicationFailedException.class,

server/src/main/java/org/opensearch/Version.java

@@ -361,7 +361,7 @@ protected Version computeMinCompatVersion() {
             // we don't have LegacyESVersion.V_6 constants, so set it to its last minor
             return LegacyESVersion.fromId(6080099);
         } else if (major == 2) {
-            return LegacyESVersion.V_7_10_0;
+            return LegacyESVersion.fromId(7100099);
         } else if (major == 6) {
             // force the minimum compatibility for version 6 to 5.6 since we don't reference version 5 anymore
             return LegacyESVersion.fromId(5060099);

server/src/main/java/org/opensearch/action/admin/cluster/node/info/NodeInfo.java

@@ -33,7 +33,6 @@
 package org.opensearch.action.admin.cluster.node.info;
 
 import org.opensearch.Build;
-import org.opensearch.LegacyESVersion;
 import org.opensearch.Version;
 import org.opensearch.action.support.nodes.BaseNodeResponse;
 import org.opensearch.cluster.node.DiscoveryNode;
@@ -99,9 +98,7 @@ public NodeInfo(StreamInput in) throws IOException {
         addInfoIfNonNull(HttpInfo.class, in.readOptionalWriteable(HttpInfo::new));
         addInfoIfNonNull(PluginsAndModules.class, in.readOptionalWriteable(PluginsAndModules::new));
         addInfoIfNonNull(IngestInfo.class, in.readOptionalWriteable(IngestInfo::new));
-        if (in.getVersion().onOrAfter(LegacyESVersion.V_7_10_0)) {
-            addInfoIfNonNull(AggregationInfo.class, in.readOptionalWriteable(AggregationInfo::new));
-        }
+        addInfoIfNonNull(AggregationInfo.class, in.readOptionalWriteable(AggregationInfo::new));
     }
 
     public NodeInfo(
@@ -198,11 +195,7 @@ private <T extends ReportingService.Info> void addInfoIfNonNull(Class<T> clazz,
     @Override
     public void writeTo(StreamOutput out) throws IOException {
         super.writeTo(out);
-        if (out.getVersion().before(Version.V_1_0_0)) {
-            out.writeVInt(LegacyESVersion.V_7_10_2.id);
-        } else {
-            out.writeVInt(version.id);
-        }
+        out.writeVInt(version.id);
         Build.writeBuild(build, out);
         if (totalIndexingBuffer == null) {
             out.writeBoolean(false);
@@ -224,8 +217,6 @@ public void writeTo(StreamOutput out) throws IOException {
         out.writeOptionalWriteable(getInfo(HttpInfo.class));
         out.writeOptionalWriteable(getInfo(PluginsAndModules.class));
         out.writeOptionalWriteable(getInfo(IngestInfo.class));
-        if (out.getVersion().onOrAfter(LegacyESVersion.V_7_10_0)) {
-            out.writeOptionalWriteable(getInfo(AggregationInfo.class));
-        }
+        out.writeOptionalWriteable(getInfo(AggregationInfo.class));
     }
 }

server/src/main/java/org/opensearch/action/admin/cluster/snapshots/restore/RestoreSnapshotRequest.java

@@ -32,7 +32,6 @@
 
 package org.opensearch.action.admin.cluster.snapshots.restore;
 
-import org.opensearch.LegacyESVersion;
 import org.opensearch.Version;
 import org.opensearch.action.ActionRequestValidationException;
 import org.opensearch.action.support.IndicesOptions;
@@ -146,9 +145,7 @@ public RestoreSnapshotRequest(StreamInput in) throws IOException {
         includeAliases = in.readBoolean();
         indexSettings = readSettingsFromStream(in);
         ignoreIndexSettings = in.readStringArray();
-        if (in.getVersion().onOrAfter(LegacyESVersion.V_7_10_0)) {
-            snapshotUuid = in.readOptionalString();
-        }
+        snapshotUuid = in.readOptionalString();
         if (FeatureFlags.isEnabled(FeatureFlags.SEARCHABLE_SNAPSHOT) && in.getVersion().onOrAfter(Version.V_2_4_0)) {
             storageType = in.readEnum(StorageType.class);
         }
@@ -169,13 +166,7 @@ public void writeTo(StreamOutput out) throws IOException {
         out.writeBoolean(includeAliases);
         writeSettingsToStream(indexSettings, out);
         out.writeStringArray(ignoreIndexSettings);
-        if (out.getVersion().onOrAfter(LegacyESVersion.V_7_10_0)) {
-            out.writeOptionalString(snapshotUuid);
-        } else if (snapshotUuid != null) {
-            throw new IllegalStateException(
-                "restricting the snapshot UUID is forbidden in a cluster with version [" + out.getVersion() + "] nodes"
-            );
-        }
+        out.writeOptionalString(snapshotUuid);
         if (FeatureFlags.isEnabled(FeatureFlags.SEARCHABLE_SNAPSHOT) && out.getVersion().onOrAfter(Version.V_2_4_0)) {
             out.writeEnum(storageType);
         }

server/src/main/java/org/opensearch/action/index/IndexRequest.java

@@ -164,11 +164,7 @@ public IndexRequest(@Nullable ShardId shardId, StreamInput in) throws IOExceptio
         }
         ifSeqNo = in.readZLong();
         ifPrimaryTerm = in.readVLong();
-        if (in.getVersion().onOrAfter(LegacyESVersion.V_7_10_0)) {
-            requireAlias = in.readBoolean();
-        } else {
-            requireAlias = false;
-        }
+        requireAlias = in.readBoolean();
     }
 
     public IndexRequest() {
@@ -679,9 +675,7 @@ private void writeBody(StreamOutput out) throws IOException {
         }
         out.writeZLong(ifSeqNo);
         out.writeVLong(ifPrimaryTerm);
-        if (out.getVersion().onOrAfter(LegacyESVersion.V_7_10_0)) {
-            out.writeBoolean(requireAlias);
-        }
+        out.writeBoolean(requireAlias);
     }
 
     @Override

server/src/main/java/org/opensearch/action/ingest/SimulateProcessorResult.java

@@ -31,7 +31,6 @@
 
 package org.opensearch.action.ingest;
 
-import org.opensearch.LegacyESVersion;
 import org.opensearch.OpenSearchException;
 import org.opensearch.common.ParseField;
 import org.opensearch.common.collect.Tuple;
@@ -193,18 +192,12 @@ public SimulateProcessorResult(String type, String processorTag, String descript
         this.ingestDocument = in.readOptionalWriteable(WriteableIngestDocument::new);
         this.failure = in.readException();
         this.description = in.readOptionalString();
-
-        if (in.getVersion().onOrAfter(LegacyESVersion.V_7_10_0)) {
-            this.type = in.readString();
-            boolean hasConditional = in.readBoolean();
-            if (hasConditional) {
-                this.conditionalWithResult = new Tuple<>(in.readString(), in.readBoolean());
-            } else {
-                this.conditionalWithResult = null; // no condition exists
-            }
+        this.type = in.readString();
+        boolean hasConditional = in.readBoolean();
+        if (hasConditional) {
+            this.conditionalWithResult = new Tuple<>(in.readString(), in.readBoolean());
         } else {
-            this.conditionalWithResult = null;
-            this.type = null;
+            this.conditionalWithResult = null; // no condition exists
         }
     }
 
@@ -214,14 +207,11 @@ public void writeTo(StreamOutput out) throws IOException {
         out.writeOptionalWriteable(ingestDocument);
         out.writeException(failure);
         out.writeOptionalString(description);
-
-        if (out.getVersion().onOrAfter(LegacyESVersion.V_7_10_0)) {
-            out.writeString(type);
-            out.writeBoolean(conditionalWithResult != null);
-            if (conditionalWithResult != null) {
-                out.writeString(conditionalWithResult.v1());
-                out.writeBoolean(conditionalWithResult.v2());
-            }
+        out.writeString(type);
+        out.writeBoolean(conditionalWithResult != null);
+        if (conditionalWithResult != null) {
+            out.writeString(conditionalWithResult.v1());
+            out.writeBoolean(conditionalWithResult.v2());
         }
     }