Temporary logging

Author: kingherc

server/src/main/java/org/elasticsearch/cluster/coordination/Coordinator.java

@@ -772,6 +772,16 @@ private void checkSingleNodeCluster() {
 
         // Ignore case where the seed hosts are from the default seed addresses
         Set<String> defaultAddresses = Set.copyOf(transportService.getDefaultSeedAddresses());
+
+        // TODO: temporary. Remove section before merging.
+        logger.info("The default addresses are: {}.", defaultAddresses);
+        logger.info("Discovery seed hosts setting exists: {}.", DISCOVERY_SEED_HOSTS_SETTING.exists(settings));
+        logger.info(
+            "The address of this local node is: [{}]. The addresses of the last resolved discovery seed hosts are: {}.",
+            this.getLocalNode().getAddress(),
+            lastResolvedAddresses
+        );
+
         if (lastResolvedAddresses.stream().allMatch(t -> defaultAddresses.contains(t.toString()))) {
             return;
         }

server/src/main/java/org/elasticsearch/discovery/FileBasedSeedHostsProvider.java

@@ -63,7 +63,7 @@ private List<String> getHostsList() {
     @Override
     public List<TransportAddress> getSeedAddresses(HostsResolver hostsResolver) {
         final List<TransportAddress> transportAddresses = hostsResolver.resolveHosts(getHostsList());
-        logger.debug("seed addresses: {}", transportAddresses);
+        logger.info("seed addresses: {}", transportAddresses);
         return transportAddresses;
     }
 }

server/src/main/java/org/elasticsearch/discovery/SettingsBasedSeedHostsProvider.java

@@ -50,7 +50,7 @@ public SettingsBasedSeedHostsProvider(Settings settings, TransportService transp
             configuredHosts = transportService.getDefaultSeedAddresses();
         }
 
-        logger.debug("using initial hosts {}", configuredHosts);
+        logger.info("using initial hosts {}", configuredHosts);
     }
 
     @Override