Enable Debug Logging for Master and Coordination Packages (#46363) (#46374)

In order to track down #46091:
* Enables debug logging in REST tests for `master` and `coordination` packages
since we suspect that issues are caused by failed and then retried publications

Author: original-brownbear

buildSrc/src/main/java/org/elasticsearch/gradle/testclusters/ElasticsearchNode.java

@@ -912,6 +912,10 @@ private void createConfiguration() {
         // Don't wait for state, just start up quickly. This will also allow new and old nodes in the BWC case to become the master
         defaultConfig.put("discovery.initial_state_timeout", "0s");
 
+        // TODO: Remove these once https://github.com/elastic/elasticsearch/issues/46091 is fixed
+        defaultConfig.put("logger.org.elasticsearch.action.support.master", "DEBUG");
+        defaultConfig.put("logger.org.elasticsearch.cluster.coordination", "DEBUG");
+
         HashSet<String> overriden = new HashSet<>(defaultConfig.keySet());
         overriden.retainAll(settings.keySet());
         overriden.removeAll(OVERRIDABLE_SETTINGS);

server/src/main/java/org/elasticsearch/action/admin/cluster/reroute/TransportClusterRerouteAction.java

@@ -19,6 +19,7 @@
 
 package org.elasticsearch.action.admin.cluster.reroute;
 
+import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.apache.logging.log4j.message.ParameterizedMessage;
 import org.elasticsearch.ExceptionsHelper;
@@ -58,6 +59,8 @@
 
 public class TransportClusterRerouteAction extends TransportMasterNodeAction<ClusterRerouteRequest, ClusterRerouteResponse> {
 
+    private static final Logger logger = LogManager.getLogger(TransportClusterRerouteAction.class);
+
     private final AllocationService allocationService;
 
     @Inject

server/src/main/java/org/elasticsearch/action/support/master/TransportMasterNodeAction.java

@@ -19,6 +19,8 @@
 
 package org.elasticsearch.action.support.master;
 
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
 import org.apache.logging.log4j.message.ParameterizedMessage;
 import org.elasticsearch.action.ActionListener;
 import org.elasticsearch.action.ActionListenerResponseHandler;
@@ -56,6 +58,8 @@
 public abstract class TransportMasterNodeAction<Request extends MasterNodeRequest<Request>, Response extends ActionResponse>
     extends HandledTransportAction<Request, Response> {
 
+    protected static final Logger logger = LogManager.getLogger(TransportMasterNodeAction.class);
+
     protected final ThreadPool threadPool;
     protected final TransportService transportService;
     protected final ClusterService clusterService;