Add new rule to TPV to workaround wrong remote resource selected or recorded in Galaxy DB

files/galaxy/tpv/tool_defaults.yml

@@ -10,7 +10,7 @@ tools:
     env:
       GALAXY_MEMORY_MB: "{int(mem * 1024)}" # set 5/2023 might be moved to runner or tool wrappers, related to Galaxy issue 15952
     params:
-      metadata_strategy: 'extended'
+      metadata_strategy: "extended"
       tmp_dir: true
       request_cpus: "{cores}"
       request_memory: "{mem}G"
@@ -42,6 +42,24 @@ tools:
               entity.tpv_tags = entity.tpv_tags.combine(
                   TagSetManager(tags=[pulsar_tag])
               )
+      - id: removed_remote_resources
+        # This rule displays a meaningful error message when users that have selected remote resources that are no longer available (e.g. because they have been removed) attempt to send jobs to them.
+        if: |
+          retval = False
+          remote_resource_tag = None
+          if user is not None:
+              try:
+                  user_preferences = user.extra_preferences
+                  remote_resource_tag = user_preferences.get("distributed_compute|remote_resources")
+              except AttributeError:
+                  pass
+              remote_resource_destination = [d.dest_name for d in mapper.destinations.values() if any(d.tpv_dest_tags.filter(tag_value=remote_resource_tag))]
+
+              if not remote_resource_destination:
+                  retval = True
+          retval
+        fail: |
+          Invalid 'Remote resources id' selected in the config menu under 'User -> Preferences -> Manage Information'. Please reselect either 'default' or an appropriate remote resource.
 
     rank: |
       final_destinations = helpers.weighted_random_sampling(candidate_destinations)