Merge branch 'main' into release-notes-9-0-8

Author: charlotte-hoblik

build-tools-internal/src/main/java/org/elasticsearch/gradle/internal/ElasticsearchBuildCompletePlugin.java

@@ -38,8 +38,12 @@
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.OutputStream;
+import java.io.UncheckedIOException;
+import java.nio.file.FileVisitResult;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.nio.file.SimpleFileVisitor;
+import java.nio.file.attribute.BasicFileAttributes;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
@@ -66,7 +70,7 @@ public void apply(Project target) {
             ? System.getenv("BUILD_NUMBER")
             : System.getenv("BUILDKITE_BUILD_NUMBER");
         String performanceTest = System.getenv("BUILD_PERFORMANCE_TEST");
-        if (buildNumber != null && performanceTest == null && GradleUtils.isIncludedBuild(target) == false && OS.current() != OS.WINDOWS) {
+        if (buildNumber != null && performanceTest == null && GradleUtils.isIncludedBuild(target) == false) {
             File targetFile = calculateTargetFile(target, buildNumber);
             File projectDir = target.getProjectDir();
             File gradleWorkersDir = new File(target.getGradle().getGradleUserHomeDir(), "workers/");
@@ -102,6 +106,23 @@ private File calculateTargetFile(Project target, String buildNumber) {
     }
 
     private List<File> resolveProjectLogs(File projectDir) {
+        // HACK: Some tests leave behind symlinks, and gradle throws an exception if it encounters symlinks.
+        // Here we remove them before collecting logs to upload. We could instead build our own path matcher
+        // but that seemed more complex than just deleting the irrelevant files.
+        try {
+            Files.walkFileTree(projectDir.toPath(), new SimpleFileVisitor<>() {
+                @Override
+                public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
+                    if (Files.isSymbolicLink(file)) {
+                        Files.delete(file);
+                    }
+                    return FileVisitResult.CONTINUE;
+                }
+            });
+        } catch (IOException e) {
+            throw new UncheckedIOException(e);
+        }
+
         var projectDirFiles = getFileOperations().fileTree(projectDir);
         projectDirFiles.include("**/*.hprof");
         projectDirFiles.include("**/build/reports/configuration-cache/**");
@@ -276,7 +297,12 @@ private static void createBuildArchiveTar(List<File> files, File projectDir, Fil
 
         @NotNull
         private static String calculateArchivePath(Path path, Path projectPath) {
-            return path.startsWith(projectPath) ? projectPath.relativize(path).toString() : path.getFileName().toString();
+            String archivePath = path.startsWith(projectPath) ? projectPath.relativize(path).toString() : path.getFileName().toString();
+            if (OS.current() == OS.WINDOWS) {
+                // tar always uses forward slashes
+                archivePath = archivePath.replace("\\", "/");
+            }
+            return archivePath;
         }
     }
 }

build-tools-internal/src/main/java/org/elasticsearch/gradle/internal/transport/TransportVersionDefinition.java

@@ -22,9 +22,11 @@ public static TransportVersionDefinition fromString(Path file, String contents,
 
         String idsLine = null;
         if (contents.isEmpty() == false) {
-            String[] lines = contents.split(System.lineSeparator());
+            // Regardless of whether windows newlines exist (they could be added by git), we split on line feed.
+            // All we care about skipping lines with the comment character, so the remaining \r won't matter
+            String[] lines = contents.split("\n");
             for (String line : lines) {
-                line = line.replaceAll("\\s+", "");
+                line = line.strip();
                 if (line.startsWith("#") == false) {
                     idsLine = line;
                     break;

build-tools-internal/src/main/java/org/elasticsearch/gradle/internal/transport/TransportVersionUpperBound.java

@@ -24,9 +24,11 @@ public static TransportVersionUpperBound fromString(Path file, String contents)
         String branch = filename.substring(slashIndex == -1 ? 0 : (slashIndex + 1), filename.length() - 4);
 
         String idsLine = null;
-        String[] lines = contents.split(System.lineSeparator());
+        // Regardless of whether windows newlines exist (they could be added by git), we split on line feed.
+        // All we care about skipping lines with the comment character, so the remaining \r won't matter
+        String[] lines = contents.split("\n");
         for (String line : lines) {
-            line = line.replaceAll("\\s+", "");
+            line = line.strip();
             if (line.startsWith("#") == false) {
                 idsLine = line;
                 break;

docs/changelog/134361.yaml

@@ -0,0 +1,5 @@
+pr: 134361
+summary: Add `ThreadWatchdog` to `ClusterApplierService`
+area: Cluster Coordination
+type: enhancement
+issues: []

docs/changelog/135644.yaml

@@ -0,0 +1,5 @@
+pr: 135644
+summary: Add small optimizations to `PUT _component_template` API
+area: Indices APIs
+type: enhancement
+issues: []

docs/changelog/135897.yaml

@@ -0,0 +1,5 @@
+pr: 135897
+summary: Apply source excludes early when retrieving the `_inference_fields`
+area: Search
+type: bug
+issues: []

docs/changelog/135901.yaml

@@ -0,0 +1,5 @@
+pr: 135901
+summary: Add support for dot-separated attribute names (e.g. `foo.bar`) and for parameters (e.g. `??my_param`) in FUSE GROUP BY
+area: ES|QL
+type: bug
+issues: []

docs/changelog/135987.yaml

@@ -0,0 +1,5 @@
+pr: 135987
+summary: Avoid rewrite `round_to` with expensive queries
+area: ES|QL
+type: bug
+issues: []

docs/reference/elasticsearch/index-lifecycle-actions/ilm-downsample.md

@@ -7,7 +7,7 @@ mapped_pages:
 
 Phases allowed: hot, warm, cold.
 
-Aggregates a time series (TSDS) index and stores pre-computed statistical summaries (`min`, `max`, `sum`, `value_count` and `avg`) for each metric field grouped by a configured time interval. For example, a TSDS index that contains metrics sampled every 10 seconds can be downsampled to an hourly index. All documents within an hour interval are summarized and stored as a single document and stored in the downsample index.
+Aggregates a time series (TSDS) index and stores pre-computed statistical summaries (`min`, `max`, `sum`, and `value_count`) for each metric field grouped by a configured time interval. For example, a TSDS index that contains metrics sampled every 10 seconds can be downsampled to an hourly index. All documents within an hour interval are summarized and stored as a single document and stored in the downsample index.
 
 This action corresponds to the  [downsample API](https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-indices-downsample).
 

docs/reference/search-connectors/es-connectors-gmail.md

@@ -132,6 +132,8 @@ To get started, log into [Google Cloud Platform](https://cloud.google.com) and g
     You need to grant the following **OAuth Scopes** to your service account:
 
     * `https://www.googleapis.com/auth/admin.directory.user.readonly`
+    * `https://www.googleapis.com/auth/admin.directory.group.readonly`
+    * `https://www.googleapis.com/auth/gmail.readonly`
 
     This step allows the connector to access user data and their group memberships in your Google Workspace organization.
 
@@ -296,4 +298,4 @@ See [Security](/reference/search-connectors/es-connectors-security.md).
 
 This connector is built in Python with the [Elastic connector framework](https://github.com/elastic/connectors/tree/main).
 
-View the [source code for this connector](https://github.com/elastic/connectors/tree/main/connectors/sources/gmail.py) (branch *main*, compatible with Elastic *9.0*).
+View the [source code for this connector](https://github.com/elastic/connectors/tree/main/connectors/sources/gmail.py) (branch *main*, compatible with Elastic *9.0*).