[Backport] Streams - Log's Enable, Disable and Status endpoints (elastic#129474) (elastic#129838)

* Streams - Log's Enable, Disable and Status endpoints (elastic#129474)

* Enable And Disable Endpoint

* Status Endpoint

* Integration Tests

* REST Spec

* REST Spec tests

* Some documentation

* Update docs/changelog/129474.yaml

* Fix failing security test

* PR Fixes

* PR Fixes - Add missing feature flag name to YAML spec

* PR Fixes - Fix support for timeout and master_timeout parameters

* PR Fixes - Make the REST handler validation happy with the new params

* Delete docs/changelog/129474.yaml

* PR Fixes - Switch to local metadata action type and improve request handling

* PR Fixes - Make enable / disable endpoint cancellable

* PR Fixes - Switch timeout param name for status endpoint

* PR Fixes - Switch timeout param name for status endpoint in spec

* PR Fixes - Enforce local only use for status action

* PR Fixes - Refactor StreamsMetadata into server

* PR Fixes - Add streams module to multi project YAML test suite

* PR Fixes - Add streams cluster module to multi project YAML test suite

* Null out reader in status transport action super constructor

* Added comment about minimum version support

Author: lukewhiting

modules/streams/build.gradle

@@ -0,0 +1,41 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+apply plugin: 'elasticsearch.test-with-dependencies'
+apply plugin: 'elasticsearch.internal-cluster-test'
+apply plugin: 'elasticsearch.internal-yaml-rest-test'
+apply plugin: 'elasticsearch.internal-java-rest-test'
+apply plugin: 'elasticsearch.yaml-rest-compat-test'
+
+esplugin {
+  description = 'The module adds support for the wired streams functionality including logs ingest'
+  classname = 'org.elasticsearch.rest.streams.StreamsPlugin'
+}
+
+restResources {
+  restApi {
+    include '_common', 'streams'
+  }
+}
+
+configurations {
+  basicRestSpecs {
+    attributes {
+      attribute(ArtifactTypeDefinition.ARTIFACT_TYPE_ATTRIBUTE, ArtifactTypeDefinition.DIRECTORY_TYPE)
+    }
+  }
+}
+
+artifacts {
+  basicRestSpecs(new File(projectDir, "src/yamlRestTest/resources/rest-api-spec/test"))
+}
+
+dependencies {
+  testImplementation project(path: ':test:test-clusters')
+}

modules/streams/src/internalClusterTest/java/org/elasticsearch/rest/streams/TestToggleIT.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+package org.elasticsearch.rest.streams;
+
+import org.elasticsearch.action.admin.cluster.state.ClusterStateRequest;
+import org.elasticsearch.action.admin.cluster.state.ClusterStateResponse;
+import org.elasticsearch.action.support.master.AcknowledgedResponse;
+import org.elasticsearch.cluster.metadata.StreamsMetadata;
+import org.elasticsearch.plugins.Plugin;
+import org.elasticsearch.rest.streams.logs.LogsStreamsActivationToggleAction;
+import org.elasticsearch.test.ESIntegTestCase;
+import org.elasticsearch.test.hamcrest.ElasticsearchAssertions;
+import org.elasticsearch.test.transport.MockTransportService;
+
+import java.io.IOException;
+import java.util.Collection;
+import java.util.List;
+import java.util.concurrent.ExecutionException;
+
+import static org.hamcrest.Matchers.is;
+
+public class TestToggleIT extends ESIntegTestCase {
+
+    @Override
+    protected Collection<Class<? extends Plugin>> nodePlugins() {
+        return List.of(StreamsPlugin.class, MockTransportService.TestPlugin.class);
+    }
+
+    public void testLogStreamToggle() throws IOException, ExecutionException, InterruptedException {
+        boolean[] testParams = new boolean[] { true, false, true };
+        for (boolean enable : testParams) {
+            doLogStreamToggleTest(enable);
+        }
+    }
+
+    private void doLogStreamToggleTest(boolean enable) throws IOException, ExecutionException, InterruptedException {
+        LogsStreamsActivationToggleAction.Request request = new LogsStreamsActivationToggleAction.Request(
+            TEST_REQUEST_TIMEOUT,
+            TEST_REQUEST_TIMEOUT,
+            enable
+        );
+
+        AcknowledgedResponse acknowledgedResponse = client().execute(LogsStreamsActivationToggleAction.INSTANCE, request).get();
+        ElasticsearchAssertions.assertAcked(acknowledgedResponse);
+
+        ClusterStateRequest state = new ClusterStateRequest(TEST_REQUEST_TIMEOUT);
+        ClusterStateResponse clusterStateResponse = client().admin().cluster().state(state).get();
+
+        assertThat(clusterStateResponse.getState().metadata().<StreamsMetadata>custom(StreamsMetadata.TYPE).isLogsEnabled(), is(enable));
+    }
+
+}

modules/streams/src/main/java/module-info.java

@@ -0,0 +1,19 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+module org.elasticsearch.rest.root {
+    requires org.elasticsearch.server;
+    requires org.elasticsearch.xcontent;
+    requires org.apache.lucene.core;
+    requires org.elasticsearch.base;
+    requires org.apache.logging.log4j;
+
+    exports org.elasticsearch.rest.streams;
+    exports org.elasticsearch.rest.streams.logs;
+}

modules/streams/src/main/java/org/elasticsearch/rest/streams/StreamsPlugin.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+package org.elasticsearch.rest.streams;
+
+import org.elasticsearch.action.ActionRequest;
+import org.elasticsearch.action.ActionResponse;
+import org.elasticsearch.cluster.metadata.DataStream;
+import org.elasticsearch.cluster.metadata.IndexNameExpressionResolver;
+import org.elasticsearch.cluster.node.DiscoveryNodes;
+import org.elasticsearch.common.io.stream.NamedWriteableRegistry;
+import org.elasticsearch.common.settings.ClusterSettings;
+import org.elasticsearch.common.settings.IndexScopedSettings;
+import org.elasticsearch.common.settings.Settings;
+import org.elasticsearch.common.settings.SettingsFilter;
+import org.elasticsearch.features.NodeFeature;
+import org.elasticsearch.plugins.ActionPlugin;
+import org.elasticsearch.plugins.Plugin;
+import org.elasticsearch.rest.RestController;
+import org.elasticsearch.rest.RestHandler;
+import org.elasticsearch.rest.streams.logs.LogsStreamsActivationToggleAction;
+import org.elasticsearch.rest.streams.logs.RestSetLogStreamsEnabledAction;
+import org.elasticsearch.rest.streams.logs.RestStreamsStatusAction;
+import org.elasticsearch.rest.streams.logs.StreamsStatusAction;
+import org.elasticsearch.rest.streams.logs.TransportLogsStreamsToggleActivation;
+import org.elasticsearch.rest.streams.logs.TransportStreamsStatusAction;
+
+import java.util.Collections;
+import java.util.List;
+import java.util.function.Predicate;
+import java.util.function.Supplier;
+
+/**
+ * This plugin provides the Streams feature which builds upon data streams to
+ * provide the user with a more "batteries included" experience for ingesting large
+ * streams of data, such as logs.
+ */
+public class StreamsPlugin extends Plugin implements ActionPlugin {
+
+    @Override
+    public List<RestHandler> getRestHandlers(
+        Settings settings,
+        NamedWriteableRegistry namedWriteableRegistry,
+        RestController restController,
+        ClusterSettings clusterSettings,
+        IndexScopedSettings indexScopedSettings,
+        SettingsFilter settingsFilter,
+        IndexNameExpressionResolver indexNameExpressionResolver,
+        Supplier<DiscoveryNodes> nodesInCluster,
+        Predicate<NodeFeature> clusterSupportsFeature
+    ) {
+        if (DataStream.LOGS_STREAM_FEATURE_FLAG) {
+            return List.of(new RestSetLogStreamsEnabledAction(), new RestStreamsStatusAction());
+        }
+        return Collections.emptyList();
+    }
+
+    @Override
+    public List<ActionHandler<? extends ActionRequest, ? extends ActionResponse>> getActions() {
+        return List.of(
+            new ActionHandler<>(LogsStreamsActivationToggleAction.INSTANCE, TransportLogsStreamsToggleActivation.class),
+            new ActionHandler<>(StreamsStatusAction.INSTANCE, TransportStreamsStatusAction.class)
+        );
+    }
+}

modules/streams/src/main/java/org/elasticsearch/rest/streams/logs/LogsStreamsActivationToggleAction.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+package org.elasticsearch.rest.streams.logs;
+
+import org.elasticsearch.action.ActionType;
+import org.elasticsearch.action.support.master.AcknowledgedRequest;
+import org.elasticsearch.action.support.master.AcknowledgedResponse;
+import org.elasticsearch.common.io.stream.StreamInput;
+import org.elasticsearch.common.io.stream.StreamOutput;
+import org.elasticsearch.core.TimeValue;
+import org.elasticsearch.tasks.CancellableTask;
+import org.elasticsearch.tasks.Task;
+import org.elasticsearch.tasks.TaskId;
+
+import java.io.IOException;
+import java.util.Map;
+
+public class LogsStreamsActivationToggleAction {
+
+    public static ActionType<AcknowledgedResponse> INSTANCE = new ActionType<>("cluster:admin/streams/logs/toggle");
+
+    public static class Request extends AcknowledgedRequest<Request> {
+
+        private final boolean enable;
+
+        public Request(TimeValue masterNodeTimeout, TimeValue ackTimeout, boolean enable) {
+            super(masterNodeTimeout, ackTimeout);
+            this.enable = enable;
+        }
+
+        public Request(StreamInput in) throws IOException {
+            super(in);
+            this.enable = in.readBoolean();
+        }
+
+        @Override
+        public void writeTo(StreamOutput out) throws IOException {
+            super.writeTo(out);
+            out.writeBoolean(enable);
+        }
+
+        @Override
+        public String toString() {
+            return "LogsStreamsActivationToggleAction.Request{" + "enable=" + enable + '}';
+        }
+
+        public boolean shouldEnable() {
+            return enable;
+        }
+
+        @Override
+        public Task createTask(long id, String type, String action, TaskId parentTaskId, Map<String, String> headers) {
+            return new CancellableTask(id, type, action, "Logs streams activation toggle request", parentTaskId, headers);
+        }
+    }
+}

modules/streams/src/main/java/org/elasticsearch/rest/streams/logs/RestSetLogStreamsEnabledAction.java

@@ -0,0 +1,64 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+package org.elasticsearch.rest.streams.logs;
+
+import org.elasticsearch.client.internal.node.NodeClient;
+import org.elasticsearch.rest.BaseRestHandler;
+import org.elasticsearch.rest.RestRequest;
+import org.elasticsearch.rest.RestUtils;
+import org.elasticsearch.rest.Scope;
+import org.elasticsearch.rest.ServerlessScope;
+import org.elasticsearch.rest.action.RestCancellableNodeClient;
+import org.elasticsearch.rest.action.RestToXContentListener;
+
+import java.util.List;
+import java.util.Set;
+
+import static org.elasticsearch.rest.RestRequest.Method.POST;
+
+@ServerlessScope(Scope.PUBLIC)
+public class RestSetLogStreamsEnabledAction extends BaseRestHandler {
+
+    public static final Set<String> SUPPORTED_PARAMS = Set.of(RestUtils.REST_MASTER_TIMEOUT_PARAM, RestUtils.REST_TIMEOUT_PARAM);
+
+    @Override
+    public String getName() {
+        return "streams_logs_set_enabled_action";
+    }
+
+    @Override
+    public List<Route> routes() {
+        return List.of(new Route(POST, "/_streams/logs/_enable"), new Route(POST, "/_streams/logs/_disable"));
+    }
+
+    @Override
+    protected RestChannelConsumer prepareRequest(RestRequest request, NodeClient client) {
+        final boolean enabled = request.path().endsWith("_enable");
+        assert enabled || request.path().endsWith("_disable");
+
+        LogsStreamsActivationToggleAction.Request activationRequest = new LogsStreamsActivationToggleAction.Request(
+            RestUtils.getMasterNodeTimeout(request),
+            RestUtils.getAckTimeout(request),
+            enabled
+        );
+
+        return restChannel -> new RestCancellableNodeClient(client, request.getHttpChannel()).execute(
+            LogsStreamsActivationToggleAction.INSTANCE,
+            activationRequest,
+            new RestToXContentListener<>(restChannel)
+        );
+    }
+
+    @Override
+    public Set<String> supportedQueryParameters() {
+        return SUPPORTED_PARAMS;
+    }
+
+}

modules/streams/src/main/java/org/elasticsearch/rest/streams/logs/RestStreamsStatusAction.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the "Elastic License
+ * 2.0", the "GNU Affero General Public License v3.0 only", and the "Server Side
+ * Public License v 1"; you may not use this file except in compliance with, at
+ * your election, the "Elastic License 2.0", the "GNU Affero General Public
+ * License v3.0 only", or the "Server Side Public License, v 1".
+ */
+
+package org.elasticsearch.rest.streams.logs;
+
+import org.elasticsearch.client.internal.node.NodeClient;
+import org.elasticsearch.rest.BaseRestHandler;
+import org.elasticsearch.rest.RestHandler;
+import org.elasticsearch.rest.RestRequest;
+import org.elasticsearch.rest.Scope;
+import org.elasticsearch.rest.ServerlessScope;
+import org.elasticsearch.rest.action.RestCancellableNodeClient;
+import org.elasticsearch.rest.action.RestToXContentListener;
+
+import java.util.List;
+
+import static org.elasticsearch.rest.RestRequest.Method.GET;
+
+@ServerlessScope(Scope.PUBLIC)
+public class RestStreamsStatusAction extends BaseRestHandler {
+
+    @Override
+    public String getName() {
+        return "streams_status_action";
+    }
+
+    @Override
+    public List<RestHandler.Route> routes() {
+        return List.of(new RestHandler.Route(GET, "/_streams/status"));
+    }
+
+    @Override
+    protected BaseRestHandler.RestChannelConsumer prepareRequest(RestRequest request, NodeClient client) {
+        StreamsStatusAction.Request statusRequest = new StreamsStatusAction.Request();
+        return restChannel -> new RestCancellableNodeClient(client, request.getHttpChannel()).execute(
+            StreamsStatusAction.INSTANCE,
+            statusRequest,
+            new RestToXContentListener<>(restChannel)
+        );
+    }
+
+}