From b4bb0a1dcf8bdd90f289ba0e63367a41a0440ae5 Mon Sep 17 00:00:00 2001
From: fbsanchez <fborja.sanchez@artica.es>
Date: Wed, 9 Dec 2020 12:23:49 +0100
Subject: [PATCH] warn while no instances are shown in map quick preview
 (discovery GCP)

---
 .../godmode/wizards/DiscoveryTaskList.class.php       | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/pandora_console/godmode/wizards/DiscoveryTaskList.class.php b/pandora_console/godmode/wizards/DiscoveryTaskList.class.php
index 6ca4f7f0fc..8809b8942d 100644
--- a/pandora_console/godmode/wizards/DiscoveryTaskList.class.php
+++ b/pandora_console/godmode/wizards/DiscoveryTaskList.class.php
@@ -1253,6 +1253,17 @@ class DiscoveryTaskList extends HTML
                 ],
             ]
         );
+        if (count($map->nodes) <= 1) {
+            // No nodes detected in current task definition.
+            $task = db_get_row('trecon_task', 'id_rt', $id_task);
+
+            if ((int) $task['type'] === DISCOVERY_CLOUD_GCP_COMPUTE_ENGINE) {
+                ui_print_info_message(
+                    __('Please ensure instances or regions are being monitorized and \'scan and general monitoring\' is enabled.')
+                );
+            }
+        }
+
         $map->printMap();
     }