[8.18] ES|QL: make telemetry more strict (#126940) (#126980)

* ES|QL: make telemetry more strict (#126940)

* Fix compile

* Fix tests

* Fix test

Author: luigidellaquila

docs/reference/rest-api/usage.asciidoc

@@ -243,7 +243,10 @@ GET /_xpack/usage
       "keep" : 0,
       "enrich" : 0,
       "from" : 0,
-      "row" : 0
+      "row" : 0,
+      "lookup" : 0,
+      "inlinestats" : 0,
+      "lookup_join" : 0
     },
     "queries" : {
       "rest" : {

x-pack/plugin/esql/src/main/java/org/elasticsearch/xpack/esql/telemetry/FeatureMetric.java

@@ -7,6 +7,7 @@
 
 package org.elasticsearch.xpack.esql.telemetry;
 
+import org.elasticsearch.xpack.esql.EsqlIllegalArgumentException;
 import org.elasticsearch.xpack.esql.plan.logical.Aggregate;
 import org.elasticsearch.xpack.esql.plan.logical.Dissect;
 import org.elasticsearch.xpack.esql.plan.logical.Drop;
@@ -15,15 +16,23 @@
 import org.elasticsearch.xpack.esql.plan.logical.Eval;
 import org.elasticsearch.xpack.esql.plan.logical.Filter;
 import org.elasticsearch.xpack.esql.plan.logical.Grok;
+import org.elasticsearch.xpack.esql.plan.logical.InlineStats;
 import org.elasticsearch.xpack.esql.plan.logical.Keep;
+import org.elasticsearch.xpack.esql.plan.logical.Limit;
 import org.elasticsearch.xpack.esql.plan.logical.LogicalPlan;
+import org.elasticsearch.xpack.esql.plan.logical.Lookup;
 import org.elasticsearch.xpack.esql.plan.logical.MvExpand;
 import org.elasticsearch.xpack.esql.plan.logical.OrderBy;
+import org.elasticsearch.xpack.esql.plan.logical.Project;
 import org.elasticsearch.xpack.esql.plan.logical.Rename;
 import org.elasticsearch.xpack.esql.plan.logical.Row;
+import org.elasticsearch.xpack.esql.plan.logical.UnresolvedRelation;
+import org.elasticsearch.xpack.esql.plan.logical.join.LookupJoin;
+import org.elasticsearch.xpack.esql.plan.logical.local.EsqlProject;
 import org.elasticsearch.xpack.esql.plan.logical.show.ShowInfo;
 
 import java.util.BitSet;
+import java.util.List;
 import java.util.Locale;
 import java.util.function.Predicate;
 
@@ -42,7 +51,20 @@ public enum FeatureMetric {
     FROM(EsRelation.class::isInstance),
     DROP(Drop.class::isInstance),
     KEEP(Keep.class::isInstance),
-    RENAME(Rename.class::isInstance);
+    RENAME(Rename.class::isInstance),
+    LOOKUP_JOIN(LookupJoin.class::isInstance),
+    LOOKUP(Lookup.class::isInstance),
+    INLINESTATS(InlineStats.class::isInstance);
+
+    /**
+     * List here plans we want to exclude from telemetry
+     */
+    private static final List<Class<? extends LogicalPlan>> excluded = List.of(
+        UnresolvedRelation.class,
+        EsqlProject.class,
+        Project.class,
+        Limit.class // LIMIT is managed in another way, see above
+    );
 
     private Predicate<LogicalPlan> planCheck;
 
@@ -61,6 +83,13 @@ public static void set(LogicalPlan plan, BitSet bitset) {
                 return;
             }
         }
+        if (explicitlyExcluded(plan) == false) {
+            throw new EsqlIllegalArgumentException("Command not mapped for telemetry [{}]", plan.getClass().getSimpleName());
+        }
+    }
+
+    private static boolean explicitlyExcluded(LogicalPlan plan) {
+        return excluded.stream().anyMatch(x -> x.isInstance(plan));
     }
 
     public static boolean set(LogicalPlan plan, BitSet bitset, FeatureMetric metric) {

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

@@ -37,7 +37,7 @@ setup:
   - do: {xpack.usage: {}}
   - match: { esql.available: true }
   - match: { esql.enabled: true }
-  - length: { esql.features: 15 }
+  - length: { esql.features: 18 }
   - set: {esql.features.dissect: dissect_counter}
   - set: {esql.features.drop: drop_counter}
   - set: {esql.features.eval: eval_counter}
@@ -53,6 +53,9 @@ setup:
   - set: {esql.features.sort: sort_counter}
   - set: {esql.features.stats: stats_counter}
   - set: {esql.features.where: where_counter}
+  - set: {esql.features.lookup_join: lookup_join_counter}
+  - set: {esql.features.lookup: lookup_counter}
+  - set: {esql.features.inlinestats: inlinestats_counter}
   - length: { esql.queries: 3 }
   - set: {esql.queries.rest.total: rest_total_counter}
   - set: {esql.queries.rest.failed: rest_failed_counter}
@@ -81,6 +84,9 @@ setup:
   - gt: {esql.features.sort: $sort_counter}
   - gt: {esql.features.stats: $stats_counter}
   - gt: {esql.features.where: $where_counter}
+  - match: {esql.features.lookup_join: $lookup_join_counter}
+  - match: {esql.features.lookup: $lookup_counter}
+  - match: {esql.features.inlinestats: $inlinestats_counter}
   - gt: {esql.queries.rest.total: $rest_total_counter}
   - match: {esql.queries.rest.failed: $rest_failed_counter}
   - match: {esql.queries.kibana.total: $kibana_total_counter}
@@ -109,7 +115,7 @@ setup:
   - do: {xpack.usage: {}}
   - match: { esql.available: true }
   - match: { esql.enabled: true }
-  - length: { esql.features: 15 }
+  - length: { esql.features: 18 }
   - set: {esql.features.dissect: dissect_counter}
   - set: {esql.features.drop: drop_counter}
   - set: {esql.features.eval: eval_counter}
@@ -125,6 +131,9 @@ setup:
   - set: {esql.features.sort: sort_counter}
   - set: {esql.features.stats: stats_counter}
   - set: {esql.features.where: where_counter}
+  - set: {esql.features.lookup_join: lookup_join_counter}
+  - set: {esql.features.lookup: lookup_counter}
+  - set: {esql.features.inlinestats: inlinestats_counter}
   - length: { esql.queries: 3 }
   - set: {esql.queries.rest.total: rest_total_counter}
   - set: {esql.queries.rest.failed: rest_failed_counter}
@@ -153,6 +162,9 @@ setup:
   - gt: {esql.features.sort: $sort_counter}
   - gt: {esql.features.stats: $stats_counter}
   - gt: {esql.features.where: $where_counter}
+  - match: {esql.features.lookup_join: $lookup_join_counter}
+  - match: {esql.features.lookup: $lookup_counter}
+  - match: {esql.features.inlinestats: $inlinestats_counter}
   - gt: {esql.queries.rest.total: $rest_total_counter}
   - match: {esql.queries.rest.failed: $rest_failed_counter}
   - match: {esql.queries.kibana.total: $kibana_total_counter}