Add 7.1 and 8.0 version constants to master (#38514)

* Add 7.1 and 8.0 version constants to master

This commit adds the 7.1 and 8.0 version constants to the master branch,
and bumps the master branch to 8.0.0.

Fixing many BWC and other tests  affected by the version bumps.

buildSrc/src/main/java/org/elasticsearch/gradle/VersionCollection.java

@@ -171,30 +171,38 @@ public UnreleasedVersionInfo unreleasedInfo(Version version) {
     }
 
     public void forPreviousUnreleased(Consumer<UnreleasedVersionInfo> consumer) {
-        getUnreleased().stream()
+        List<UnreleasedVersionInfo> collect = getUnreleased().stream()
             .filter(version -> version.equals(currentVersion) == false)
-            .forEach(version -> consumer.accept(
-                new UnreleasedVersionInfo(
+            .map(version -> new UnreleasedVersionInfo(
                     version,
                     getBranchFor(version),
                     getGradleProjectNameFor(version)
                 )
-            ));
+            )
+            .collect(Collectors.toList());
+
+        collect.forEach(uvi -> consumer.accept(uvi));
     }
 
     private String getGradleProjectNameFor(Version version) {
         if (version.equals(currentVersion)) {
             throw new IllegalArgumentException("The Gradle project to build " + version + " is the current build.");
         }
+
         Map<Integer, List<Version>> releasedMajorGroupedByMinor = getReleasedMajorGroupedByMinor();
 
         if (version.getRevision() == 0) {
-            if (releasedMajorGroupedByMinor
-                .get(releasedMajorGroupedByMinor.keySet().stream().max(Integer::compareTo).orElse(0))
-                .contains(version)) {
-                return "minor";
+            List<Version> unreleasedStagedOrMinor = getUnreleased().stream()
+                .filter(v -> v.getRevision() == 0)
+                .collect(Collectors.toList());
+            if (unreleasedStagedOrMinor.size() > 2) {
+                if (unreleasedStagedOrMinor.get(unreleasedStagedOrMinor.size() - 2).equals(version)) {
+                    return "minor";
+                } else{
+                    return "staged";
+                }
             } else {
-                return "staged";
+                return "minor";
             }
         } else {
             if (releasedMajorGroupedByMinor
@@ -239,8 +247,10 @@ public List<Version> getUnreleased() {
             unreleased.add(getLatestVersionByKey(groupByMinor, greatestMinor - 1));
             if (groupByMinor.getOrDefault(greatestMinor - 1, emptyList()).size() == 1) {
                 // we found that the previous minor is staged but not yet released
-                // in this case, the minor before that has a bugfix
-                unreleased.add(getLatestVersionByKey(groupByMinor, greatestMinor - 2));
+                // in this case, the minor before that has a bugfix, should there be such a minor
+                if (greatestMinor >= 2) {
+                    unreleased.add(getLatestVersionByKey(groupByMinor, greatestMinor - 2));
+                }
             }
         }
 

buildSrc/src/test/java/org/elasticsearch/gradle/VersionCollectionTests.java

@@ -81,6 +81,9 @@ public class VersionCollectionTests extends GradleUnitTestCase {
             "6_0_0", "6_0_1", "6_1_0", "6_1_1", "6_1_2", "6_1_3", "6_1_4", "6_2_0", "6_2_1", "6_2_2", "6_2_3",
             "6_2_4", "6_3_0", "6_3_1", "6_3_2", "6_4_0", "6_4_1", "6_4_2"
         ));
+        sampleVersions.put("7.1.0", asList(
+            "7_1_0", "7_0_0", "6_7_0", "6_6_1", "6_6_0"
+        ));
     }
 
     @Test(expected = IllegalArgumentException.class)
@@ -145,6 +148,11 @@ public void testWireCompatible() {
             singletonList("7.3.0"),
             getVersionCollection("8.0.0").getWireCompatible()
         );
+        assertVersionsEquals(
+            asList("6.7.0", "7.0.0"),
+            getVersionCollection("7.1.0").getWireCompatible()
+        );
+
     }
 
     public void testWireCompatibleUnreleased() {
@@ -171,6 +179,10 @@ public void testWireCompatibleUnreleased() {
             singletonList("7.3.0"),
             getVersionCollection("8.0.0").getUnreleasedWireCompatible()
         );
+        assertVersionsEquals(
+            asList("6.7.0", "7.0.0"),
+            getVersionCollection("7.1.0").getWireCompatible()
+        );
     }
 
     public void testIndexCompatible() {
@@ -286,7 +298,7 @@ public void testGetBranch() {
             getVersionCollection("6.4.2")
         );
         assertUnreleasedBranchNames(
-            asList("5.6", "6.4", "6.5"),
+            asList("5.6", "6.4", "6.x"),
             getVersionCollection("6.6.0")
         );
         assertUnreleasedBranchNames(
@@ -309,13 +321,17 @@ public void testGetGradleProjectName() {
             getVersionCollection("6.4.2")
         );
         assertUnreleasedGradleProjectNames(
-            asList("maintenance", "bugfix", "staged"),
+            asList("maintenance", "bugfix", "minor"),
             getVersionCollection("6.6.0")
         );
         assertUnreleasedGradleProjectNames(
             asList("bugfix", "staged", "minor"),
             getVersionCollection("8.0.0")
         );
+        assertUnreleasedGradleProjectNames(
+            asList("staged", "minor"),
+            getVersionCollection("7.1.0")
+        );
     }
 
     public void testCompareToAuthoritative() {

buildSrc/version.properties

@@ -1,4 +1,4 @@
-elasticsearch     = 7.0.0
+elasticsearch     = 8.0.0
 lucene            = 8.0.0-snapshot-83f9835
 
 # optional dependencies

distribution/bwc/build.gradle

@@ -141,6 +141,12 @@ bwcVersions.forPreviousUnreleased { VersionCollection.UnreleasedVersionInfo unre
             extension += '.gz'
           }
         }
+        if (bwcVersion.onOrAfter('7.0.0') && projectName.contains('deb')) {
+          classifier = "-amd64"
+        }
+        if (bwcVersion.onOrAfter('7.0.0') && projectName.contains('rpm')) {
+          classifier = "-x86_64"
+        }
         if (bwcVersion.onOrAfter('6.3.0')) {
             baseDir += projectName.endsWith('zip') || projectName.endsWith('tar') ? '/archives' : '/packages'
             // add oss variant first

distribution/tools/plugin-cli/src/test/java/org/elasticsearch/plugins/RemovePluginCommandTests.java

@@ -137,12 +137,21 @@ public void testBasic() throws Exception {
     }
 
     public void testRemoveOldVersion() throws Exception {
+        Version previous = VersionUtils.getPreviousVersion();
+        if (previous.before(Version.CURRENT.minimumIndexCompatibilityVersion()) ) {
+            // Can happen when bumping majors: 8.0 is only compat back to 7.0, but that's not released yet
+            // In this case, ignore what's released and just find that latest version before current
+            previous = VersionUtils.allVersions().stream()
+                .filter(v -> v.before(Version.CURRENT))
+                .max(Version::compareTo)
+                .get();
+        }
         createPlugin(
                 "fake",
                 VersionUtils.randomVersionBetween(
                         random(),
                         Version.CURRENT.minimumIndexCompatibilityVersion(),
-                        VersionUtils.getPreviousVersion()));
+                        previous));
         removePlugin("fake", home, randomBoolean());
         assertThat(Files.exists(env.pluginsFile().resolve("fake")), equalTo(false));
         assertRemoveCleaned(env);

docs/Versions.asciidoc

@@ -1,5 +1,5 @@
-:version:               7.0.0-alpha2
-:major-version:         7.x
+:version:               8.0.0-alpha1
+:major-version:         8.x
 :lucene_version:        8.0.0
 :lucene_version_path:   8_0_0
 :branch:                master