[Version] Increment main to 2.0

buildSrc/src/main/java/org/opensearch/gradle/BwcVersions.java

@@ -379,14 +379,17 @@ public List<Version> getIndexCompatible() {
         if (currentMajor == 1) {
             // add 6.x compatible for OpenSearch 1.0.0
             return unmodifiableList(Stream.concat(groupByMajor.get(prevMajor - 1).stream(), result.stream()).collect(Collectors.toList()));
+        } else if (currentMajor == 2) {
+            // add 7.x compatible for OpenSearch 2.0.0
+            return unmodifiableList(Stream.concat(groupByMajor.get(7).stream(), result.stream()).collect(Collectors.toList()));
         }
         return unmodifiableList(result);
     }
 
     public List<Version> getWireCompatible() {
         List<Version> wireCompat = new ArrayList<>();
         int currentMajor = currentVersion.getMajor();
-        int lastMajor = currentMajor == 1 ? 6 : currentMajor - 1;
+        int lastMajor = currentMajor == 1 ? 6 : currentMajor == 2 ? 7 : currentMajor - 1;
         List<Version> lastMajorList = groupByMajor.get(lastMajor);
         if (lastMajorList == null) {
             throw new IllegalStateException("Expected to find a list of versions for version: " + lastMajor);
@@ -402,7 +405,14 @@ public List<Version> getWireCompatible() {
             for (Version v : previousMajor) {
                 wireCompat.add(v);
             }
+        } else if (currentMajor == 2) {
+            // add all of the 1.x line:
+            List<Version> previousMajor = groupByMajor.get(1);
+            for (Version v : previousMajor) {
+                wireCompat.add(v);
+            }
         }
+
         wireCompat.addAll(groupByMajor.get(currentMajor));
         wireCompat.remove(currentVersion);
         wireCompat.sort(Version::compareTo);

buildSrc/src/main/java/org/opensearch/gradle/Version.java

@@ -77,7 +77,7 @@ public Version(int major, int minor, int revision) {
         // currently snapshot is not taken into account
         int id = major * 10000000 + minor * 100000 + revision * 1000;
         // identify if new OpenSearch version 1
-        this.id = major == 1 ? id ^ MASK : id;
+        this.id = major == 1 || major == 2 ? id ^ MASK : id;
     }
 
     private static int parseSuffixNumber(String substring) {

buildSrc/src/test/java/org/opensearch/gradle/BwcOpenSearchVersionsTests.java

@@ -37,6 +37,10 @@ public class BwcOpenSearchVersionsTests extends GradleUnitTestCase {
     static {
         sampleVersions.put("1.0.0", asList("5_6_13", "6_6_1", "6_8_15", "7_0_0", "7_9_1", "7_10_0", "7_10_1", "7_10_2", "1_0_0"));
         sampleVersions.put("1.1.0", asList("5_6_13", "6_6_1", "6_8_15", "7_0_0", "7_9_1", "7_10_0", "7_10_1", "7_10_2", "1_0_0", "1_1_0"));
+        sampleVersions.put(
+            "2.0.0",
+            asList("5_6_13", "6_6_1", "6_8_15", "7_0_0", "7_9_1", "7_10_0", "7_10_1", "7_10_2", "1_0_0", "1_1_0", "2_0_0")
+        );
     }
 
     public void testWireCompatible() {

buildSrc/src/test/java/org/opensearch/gradle/DistributionDownloadPluginTests.java

@@ -52,11 +52,11 @@ public class DistributionDownloadPluginTests extends GradleUnitTestCase {
     private static Project packagesProject;
     private static Project bwcProject;
 
-    private static final Version BWC_MAJOR_VERSION = Version.fromString("4.0.0");
-    private static final Version BWC_MINOR_VERSION = Version.fromString("3.1.0");
-    private static final Version BWC_STAGED_VERSION = Version.fromString("3.0.0");
-    private static final Version BWC_BUGFIX_VERSION = Version.fromString("3.0.1");
-    private static final Version BWC_MAINTENANCE_VERSION = Version.fromString("2.90.1");
+    private static final Version BWC_MAJOR_VERSION = Version.fromString("5.0.0");
+    private static final Version BWC_MINOR_VERSION = Version.fromString("4.1.0");
+    private static final Version BWC_STAGED_VERSION = Version.fromString("4.0.0");
+    private static final Version BWC_BUGFIX_VERSION = Version.fromString("4.0.1");
+    private static final Version BWC_MAINTENANCE_VERSION = Version.fromString("3.90.1");
     private static final BwcVersions BWC_MINOR = new BwcVersions(
         new TreeSet<>(Arrays.asList(BWC_BUGFIX_VERSION, BWC_MINOR_VERSION, BWC_MAJOR_VERSION)),
         BWC_MAJOR_VERSION

buildSrc/src/test/java/org/opensearch/gradle/VersionTests.java

@@ -65,7 +65,7 @@ public void testRelaxedVersionParsing() {
 
     public void testCompareWithStringVersions() {
         // 1.10.2 is now rebased to OpenSearch version; so this needs to report
-        assertTrue("OpenSearch 1.10.20 is not interpreted as after Legacy 2.0.0", Version.fromString("1.10.20").after("2.0.0"));
+        assertTrue("OpenSearch 1.10.20 is not interpreted as after Legacy 3.0.0", Version.fromString("1.10.20").after("3.0.0"));
         assertTrue(
             "7.0.0-alpha1 should be equal to 7.0.0-alpha1",
             Version.fromString("7.0.0-alpha1").equals(Version.fromString("7.0.0-alpha1"))

buildSrc/version.properties

@@ -1,4 +1,4 @@
-opensearch        = 1.1.0
+opensearch        = 2.0.0
 lucene            = 8.9.0
 
 bundled_jdk_vendor = adoptopenjdk

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

@@ -39,20 +39,16 @@
 import org.opensearch.client.ResponseException;
 import org.opensearch.cluster.metadata.IndexMetadata;
 import org.opensearch.common.Booleans;
-import org.opensearch.common.Strings;
 import org.opensearch.common.settings.Settings;
-import org.opensearch.common.xcontent.XContentBuilder;
 import org.opensearch.rest.action.document.RestBulkAction;
 
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
 import java.util.Map;
 
-import static org.opensearch.common.xcontent.XContentFactory.jsonBuilder;
 import static org.opensearch.rest.action.search.RestSearchAction.TOTAL_HITS_AS_INT_PARAM;
 import static org.hamcrest.Matchers.containsString;
 import static org.hamcrest.Matchers.either;
-import static org.hamcrest.Matchers.equalTo;
 
 /**
  * Basic test that indexed documents survive the rolling restart. See
@@ -89,25 +85,6 @@ public void testIndexing() throws IOException {
         }
 
         if (CLUSTER_TYPE == ClusterType.OLD) {
-            {
-                Version minimumIndexCompatibilityVersion = Version.CURRENT.minimumIndexCompatibilityVersion();
-                assertThat("this branch is not needed if we aren't compatible with 6.0",
-                    minimumIndexCompatibilityVersion.onOrBefore(LegacyESVersion.V_6_0_0), equalTo(true));
-                if (minimumIndexCompatibilityVersion.before(LegacyESVersion.V_7_0_0)) {
-                    XContentBuilder template = jsonBuilder();
-                    template.startObject();
-                    {
-                        template.array("index_patterns", "test_index", "index_with_replicas", "empty_index");
-                        template.startObject("settings");
-                        template.field("number_of_shards", 5);
-                        template.endObject();
-                    }
-                    template.endObject();
-                    Request createTemplate = new Request("PUT", "/_template/prevent-bwc-deprecation-template");
-                    createTemplate.setJsonEntity(Strings.toString(template));
-                    client().performRequest(createTemplate);
-                }
-            }
             Request createTestIndex = new Request("PUT", "/test_index");
             createTestIndex.setJsonEntity("{\"settings\": {\"index.number_of_replicas\": 0}}");
             useIgnoreMultipleMatchingTemplatesWarningsHandler(createTestIndex);

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

@@ -73,7 +73,8 @@ public class Version implements Comparable<Version>, ToXContentFragment {
     public static final Version V_1_0_0 = new Version(1000099, org.apache.lucene.util.Version.LUCENE_8_8_2);
     public static final Version V_1_0_1 = new Version(1000199, org.apache.lucene.util.Version.LUCENE_8_8_2);
     public static final Version V_1_1_0 = new Version(1010099, org.apache.lucene.util.Version.LUCENE_8_9_0);
-    public static final Version CURRENT = V_1_1_0;
+    public static final Version V_2_0_0 = new Version(2000099, org.apache.lucene.util.Version.LUCENE_8_9_0);
+    public static final Version CURRENT = V_2_0_0;
 
     public static Version readVersion(StreamInput in) throws IOException {
         return fromId(in.readVInt());
@@ -185,7 +186,7 @@ private static Version fromStringSlow(String version) {
         try {
             final int rawMajor = Integer.parseInt(parts[0]);
             final int betaOffset = 25; // 0 - 24 is taking by alpha builds
-            
+
             //we reverse the version id calculation based on some assumption as we can't reliably reverse the modulo
             final int major = rawMajor * 1000000;
             final int minor = Integer.parseInt(parts[1]) * 10000;
@@ -205,7 +206,7 @@ private static Version fromStringSlow(String version) {
                     throw new IllegalArgumentException("unable to parse version " + version);
                 }
             }
-            
+
             return fromId((major + minor + revision + build) ^ MASK);
         } catch (NumberFormatException e) {
             throw new IllegalArgumentException("unable to parse version " + version, e);
@@ -306,11 +307,11 @@ public Version minimumCompatibilityVersion() {
     protected Version computeMinCompatVersion() {
         if (major == 1) {
             return LegacyESVersion.V_6_8_0;
+        } else if (major == 2) {
+            return LegacyESVersion.V_7_10_0;
         } else if (major == 6) {
             // force the minimum compatibility for version 6 to 5.6 since we don't reference version 5 anymore
             return Version.fromId(5060099);
-        } else if (major == 2) {
-            return LegacyESVersion.V_7_10_0;
         } else if (major >= 7) {
             // all major versions from 7 onwards are compatible with last minor series of the previous major
             Version bwcVersion = null;

server/src/main/java/org/opensearch/cluster/coordination/DiscoveryUpgradeService.java

@@ -118,7 +118,7 @@ public DiscoveryUpgradeService(Settings settings, TransportService transportServ
                                    BooleanSupplier isBootstrappedSupplier, JoinHelper joinHelper,
                                    Supplier<Iterable<DiscoveryNode>> peersSupplier,
                                    Consumer<VotingConfiguration> initialConfigurationConsumer) {
-        assert Version.CURRENT.major == 1 : "remove this service once unsafe upgrades are no longer needed";
+        assert Version.CURRENT.major == 1 || Version.CURRENT.major == 2 : "remove this service once unsafe upgrades are no longer needed";
         this.transportService = transportService;
         this.isBootstrappedSupplier = isBootstrappedSupplier;
         this.joinHelper = joinHelper;

server/src/main/java/org/opensearch/cluster/metadata/MetadataCreateIndexService.java

@@ -800,7 +800,7 @@ public static void validateStoreTypeSettings(Settings settings) {
 
     static int getNumberOfShards(final Settings.Builder indexSettingsBuilder) {
         // TODO: this logic can be removed when the current major version is 8
-        assert Version.CURRENT.major == 1;
+        assert Version.CURRENT.major == 1 || Version.CURRENT.major == 2;
         final int numberOfShards;
         final Version indexVersionCreated =
             Version.fromId(Integer.parseInt(indexSettingsBuilder.get(IndexMetadata.SETTING_INDEX_VERSION_CREATED.getKey())));

server/src/main/java/org/opensearch/transport/InboundDecoder.java

@@ -217,7 +217,8 @@ static IllegalStateException ensureVersionCompatibility(Version remoteVersion, V
         // handshake. This looks odd but it's required to establish the connection correctly we check for real compatibility
         // once the connection is established
         final Version compatibilityVersion = isHandshake ? currentVersion.minimumCompatibilityVersion() : currentVersion;
-        if (remoteVersion.isCompatible(compatibilityVersion) == false) {
+        if ((currentVersion.equals(Version.V_2_0_0) && remoteVersion.equals(Version.fromId(6079999))) == false
+                && remoteVersion.isCompatible(compatibilityVersion) == false) {
             final Version minCompatibilityVersion = isHandshake ? compatibilityVersion : compatibilityVersion.minimumCompatibilityVersion();
             String msg = "Received " + (isHandshake ? "handshake " : "") + "message from unsupported version: [";
             return new IllegalStateException(msg + remoteVersion + "] minimal compatible version is: [" + minCompatibilityVersion + "]");

server/src/main/java/org/opensearch/transport/TransportHandshaker.java

@@ -81,7 +81,7 @@ void sendHandshake(long requestId, DiscoveryNode node, TcpChannel channel, TimeV
             // we also have no payload on the request but the response will contain the actual version of the node we talk
             // to as the payload.
             Version minCompatVersion = version.minimumCompatibilityVersion();
-            if(version.onOrAfter(Version.V_1_0_0)) {
+            if(version.onOrAfter(Version.V_1_0_0) && version.before(Version.V_2_0_0)) {
                 // the minCompatibleVersion for OpenSearch 1.x is sent as 6.7.99 instead of 6.8.0
                 // as this helps in (indirectly) identifying the remote node version during handle HandshakeRequest itself
                 // and then send appropriate version (7.10.2/ OpenSearch 1.x version) in response.
@@ -91,6 +91,8 @@ void sendHandshake(long requestId, DiscoveryNode node, TcpChannel channel, TimeV
                 // Sending only BC version to ElasticSearch node provide easy deprecation path for this BC version logic
                 // in OpenSearch 2.0.0.
                 minCompatVersion = Version.fromId(6079999);
+            } else if (version.onOrAfter(Version.V_2_0_0)) {
+                minCompatVersion = Version.fromId(7099999);
             }
             handshakeRequestSender.sendRequest(node, channel, requestId, minCompatVersion);
 
@@ -120,7 +122,7 @@ void handleHandshake(TransportChannel channel, long requestId, StreamInput strea
         // 1. if remote node is 7.x, then StreamInput version would be 6.8.0
         // 2. if remote node is 6.8 then it would be 5.6.0
         // 3. if remote node is OpenSearch 1.x then it would be 6.7.99
-        if(this.version.onOrAfter(Version.V_1_0_0) &&
+        if((this.version.onOrAfter(Version.V_1_0_0) && this.version.before(Version.V_2_0_0)) &&
             (stream.getVersion().equals(LegacyESVersion.V_6_8_0)
                 || stream.getVersion().equals(Version.fromId(5060099)))) {
             channel.sendResponse(new HandshakeResponse(LegacyESVersion.V_7_10_2));

server/src/test/java/org/opensearch/VersionTests.java

@@ -448,7 +448,7 @@ public void testIsCompatible() {
         }
         final Version lastMinorFromPreviousMajor =
                 VersionUtils
-                        .allVersions()
+                        .allReleasedVersions()
                         .stream()
                         .filter(v -> v.major == (currentOrNextMajorVersion.major == 1 ? 7 : currentOrNextMajorVersion.major - 1))
                         .max(Version::compareTo)
@@ -464,7 +464,7 @@ public void testIsCompatible() {
                 Locale.ROOT,
                 "[%s] should %s be compatible with [%s]",
                 previousMinorVersion,
-                isCompatible ? "" : " not",
+                isCompatible ? "" : "not",
                 currentOrNextMajorVersion);
         assertThat(
                 message,

server/src/test/java/org/opensearch/action/support/IndicesOptionsTests.java

@@ -57,7 +57,6 @@
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.OptionalInt;
 
 import static org.opensearch.test.VersionUtils.randomVersionBetween;
 import static org.hamcrest.CoreMatchers.equalTo;
@@ -98,38 +97,6 @@ public void testSerialization() throws Exception {
         }
     }
 
-    public void testSerializationPre70() throws Exception {
-        int iterations = randomIntBetween(5, 20);
-        List<Version> declaredVersions = Version.getDeclaredVersions(LegacyESVersion.class);
-        OptionalInt maxV6Id = declaredVersions.stream().filter(v -> v.major == 6).mapToInt(v -> v.id).max();
-        assertTrue(maxV6Id.isPresent());
-        final Version maxVersion = Version.fromId(maxV6Id.getAsInt());
-        for (int i = 0; i < iterations; i++) {
-            Version version = randomVersionBetween(random(), Version.CURRENT.minimumCompatibilityVersion(), maxVersion);
-            IndicesOptions indicesOptions = IndicesOptions.fromOptions(randomBoolean(), randomBoolean(), randomBoolean(), randomBoolean(),
-                    randomBoolean(), randomBoolean(), randomBoolean(), randomBoolean());
-
-            BytesStreamOutput output = new BytesStreamOutput();
-            output.setVersion(version);
-            indicesOptions.writeIndicesOptions(output);
-
-            StreamInput streamInput = output.bytes().streamInput();
-            streamInput.setVersion(version);
-            IndicesOptions indicesOptions2 = IndicesOptions.readIndicesOptions(streamInput);
-
-            assertThat(indicesOptions2.ignoreUnavailable(), equalTo(indicesOptions.ignoreUnavailable()));
-            assertThat(indicesOptions2.allowNoIndices(), equalTo(indicesOptions.allowNoIndices()));
-            assertThat(indicesOptions2.expandWildcardsOpen(), equalTo(indicesOptions.expandWildcardsOpen()));
-            assertThat(indicesOptions2.expandWildcardsClosed(), equalTo(indicesOptions.expandWildcardsClosed()));
-
-            assertThat(indicesOptions2.forbidClosedIndices(), equalTo(indicesOptions.forbidClosedIndices()));
-            assertThat(indicesOptions2.allowAliasesToMultipleIndices(), equalTo(indicesOptions.allowAliasesToMultipleIndices()));
-
-            assertEquals(indicesOptions2.ignoreAliases(), indicesOptions.ignoreAliases());
-            assertEquals(indicesOptions2.ignoreThrottled(), indicesOptions.ignoreThrottled());
-        }
-    }
-
     public void testFromOptions() {
         final boolean ignoreUnavailable = randomBoolean();
         final boolean allowNoIndices = randomBoolean();