WIP - tel

docs/reference/rest-api/info.asciidoc

@@ -172,6 +172,10 @@ Example response:
       "universal_profiling": {
          "available": true,
          "enabled": true
+      },
+      "logsdb": {
+        "available": true,
+        "enabled": true
       }
    },
    "tagline" : "You know, for X"

docs/reference/rest-api/usage.asciidoc

@@ -518,6 +518,12 @@ GET /_xpack/usage
   "universal_profiling" : {
     "available" : true,
     "enabled" : true
+  },
+  "logsdb": {
+    "available": true,
+    "enabled": true,
+    "indices_count": 0,
+    "indices_with_synthetic_source": 0
   }
 }
 ------------------------------------------------------------

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/XPackClientPlugin.java

@@ -305,7 +305,8 @@ public List<NamedWriteableRegistry.Entry> getNamedWriteables() {
                 PersistentTaskParams.class,
                 SecurityMigrationTaskParams.TASK_NAME,
                 SecurityMigrationTaskParams::new
-            )
+            ),
+            new NamedWriteableRegistry.Entry(XPackFeatureUsage.class, XPackField.LOGSDB, LogstashFeatureSetUsage::new)
         ).filter(Objects::nonNull).toList();
     }
 

x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/XPackFeatures.java

@@ -20,12 +20,14 @@
  * Provides the XPack features that this version of the code supports
  */
 public class XPackFeatures implements FeatureSpecification {
+    public static final NodeFeature LOGSDB_TELEMETRY = new NodeFeature("logsdb_telemetry");
 
     @Override
     public Set<NodeFeature> getFeatures() {
         return Set.of(
             NodesDataTiersUsageTransportAction.LOCALLY_PRECALCULATED_STATS_FEATURE, // Added in 8.12
-            License.INDEPENDENT_TRIAL_VERSION_FEATURE // 8.14.0
+            License.INDEPENDENT_TRIAL_VERSION_FEATURE, // 8.14.0
+            LOGSDB_TELEMETRY
         );
     }
 

x-pack/plugin/logsdb/src/main/java/org/elasticsearch/xpack/logsdb/LogsDBFeatureSetUsage.java → x-pack/plugin/core/src/main/java/org/elasticsearch/xpack/core/application/LogsDBFeatureSetUsage.java

@@ -4,7 +4,7 @@
  * 2.0; you may not use this file except in compliance with the Elastic License
  * 2.0.
  */
-package org.elasticsearch.xpack.logsdb;
+package org.elasticsearch.xpack.core.application;
 
 import org.elasticsearch.TransportVersion;
 import org.elasticsearch.TransportVersions;
@@ -17,7 +17,7 @@
 import java.io.IOException;
 import java.util.Objects;
 
-public class LogsDBFeatureSetUsage extends XPackFeatureUsage {
+public final class LogsDBFeatureSetUsage extends XPackFeatureUsage {
 
     private final int indicesCount;
     private final int indicesWithSyntheticSource;

x-pack/plugin/logsdb/src/main/java/org/elasticsearch/xpack/logsdb/LogsDBPlugin.java

@@ -7,19 +7,25 @@
 
 package org.elasticsearch.xpack.logsdb;
 
+import org.elasticsearch.action.ActionRequest;
+import org.elasticsearch.action.ActionResponse;
 import org.elasticsearch.cluster.node.DiscoveryNode;
 import org.elasticsearch.common.settings.Setting;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.index.IndexSettingProvider;
+import org.elasticsearch.plugins.ActionPlugin;
 import org.elasticsearch.plugins.Plugin;
 import org.elasticsearch.xpack.core.XPackPlugin;
+import org.elasticsearch.xpack.core.action.XPackInfoFeatureAction;
+import org.elasticsearch.xpack.core.action.XPackUsageFeatureAction;
 
+import java.util.ArrayList;
 import java.util.Collection;
 import java.util.List;
 
 import static org.elasticsearch.xpack.logsdb.SyntheticSourceLicenseService.FALLBACK_SETTING;
 
-public class LogsDBPlugin extends Plugin {
+public class LogsDBPlugin extends Plugin implements ActionPlugin {
 
     private final Settings settings;
     private final SyntheticSourceLicenseService licenseService;
@@ -66,4 +72,12 @@ public Collection<IndexSettingProvider> getAdditionalIndexSettingProviders(Index
     public List<Setting<?>> getSettings() {
         return List.of(FALLBACK_SETTING, CLUSTER_LOGSDB_ENABLED);
     }
+
+    @Override
+    public List<ActionPlugin.ActionHandler<? extends ActionRequest, ? extends ActionResponse>> getActions() {
+        List<ActionPlugin.ActionHandler<? extends ActionRequest, ? extends ActionResponse>> actions = new ArrayList<>();
+        actions.add(new ActionPlugin.ActionHandler<>(XPackUsageFeatureAction.LOGSDB, LogsDBUsageTransportAction.class));
+        actions.add(new ActionPlugin.ActionHandler<>(XPackInfoFeatureAction.LOGSDB, LogsDBInfoTransportAction.class));
+        return actions;
+    }
 }

x-pack/plugin/logsdb/src/main/java/org/elasticsearch/xpack/logsdb/LogsDBUsageTransportAction.java

@@ -22,6 +22,7 @@
 import org.elasticsearch.xpack.core.action.XPackUsageFeatureAction;
 import org.elasticsearch.xpack.core.action.XPackUsageFeatureResponse;
 import org.elasticsearch.xpack.core.action.XPackUsageFeatureTransportAction;
+import org.elasticsearch.xpack.core.application.LogsDBFeatureSetUsage;
 
 import static org.elasticsearch.index.mapper.SourceFieldMapper.INDEX_MAPPER_SOURCE_MODE_SETTING;
 

x-pack/plugin/logsdb/src/yamlRestTest/resources/rest-api-spec/test/60_usage.yml

@@ -0,0 +1,43 @@
+---
+logsdb usage:
+  - requires:
+      cluster_features: ["logsdb_telemetry"]
+      reason: "requires logsdb telemetry"
+  - do:
+      indices.create:
+        index: test1
+        body:
+          settings:
+            index:
+              mode: logsdb
+
+  - do: {xpack.usage: {}}
+  - match: { logsdb.available: true }
+  - match: { logsdb.enabled: true }
+  - match: { logsdb.indices_count: 1 }
+  - match: { logsdb.indices_with_synthetic_source: 1 }
+
+  - do:
+      indices.create:
+        index: test2
+
+  - do: {xpack.usage: {}}
+  - match: { logsdb.available: true }
+  - match: { logsdb.enabled: true }
+  - match: { logsdb.indices_count: 2 }
+  - match: { logsdb.indices_with_synthetic_source: 1 }
+
+  - do:
+      indices.create:
+        index: test3
+        body:
+          settings:
+            index:
+              mode: logsdb
+              mapping.source.mode: stored
+
+  - do: {xpack.usage: {}}
+  - match: { logsdb.available: true }
+  - match: { logsdb.enabled: true }
+  - match: { logsdb.indices_count: 2 }
+  - match: { logsdb.indices_with_synthetic_source: 1 }

x-pack/plugin/src/yamlRestTest/resources/rest-api-spec/test/logsdb/10_usage.yml

@@ -0,0 +1,40 @@
+---
+logsdb usage:
+  - do:
+      indices.create:
+        index: test1
+        body:
+          settings:
+            index:
+              mode: logsdb
+
+  - do: {xpack.usage: {}}
+  - match: { logsdb.available: true }
+  - match: { logsdb.enabled: true }
+  - match: { logsdb.indices_count: 1 }
+  - match: { logsdb.indices_with_synthetic_source: 1 }
+
+  - do:
+      indices.create:
+        index: test2
+
+  - do: {xpack.usage: {}}
+  - match: { logsdb.available: true }
+  - match: { logsdb.enabled: true }
+  - match: { logsdb.indices_count: 2 }
+  - match: { logsdb.indices_with_synthetic_source: 1 }
+
+  - do:
+      indices.create:
+        index: test3
+        body:
+          settings:
+            index:
+              mode: logsdb
+              mapping.source.mode: stored
+
+  - do: {xpack.usage: {}}
+  - match: { logsdb.available: true }
+  - match: { logsdb.enabled: true }
+  - match: { logsdb.indices_count: 2 }
+  - match: { logsdb.indices_with_synthetic_source: 1 }