Add second native tag and ldebug flag to rocoto

- In rocoto setup scripts, create second <native> tag
to set -l ldebug=true for PBS submissions on WCOSS2.
- Use ldebug=True flag from config.resources to add it
to specific jobs requesting it.

Refs NOAA-EMC#1854

workflow/rocoto/rocoto.py

@@ -72,6 +72,7 @@ def create_task(task_dict: Dict[str, Any]) -> List[str]:
     partition = resources_dict.get('partition', None)
     walltime = resources_dict.get('walltime', '00:01:00')
     native = resources_dict.get('native', None)
+    native2 = resources_dict.get('native2', None)
     memory = resources_dict.get('memory', None)
     nodes = resources_dict.get('nodes', 1)
     ppn = resources_dict.get('ppn', 1)
@@ -100,6 +101,8 @@ def create_task(task_dict: Dict[str, Any]) -> List[str]:
         strings.append(f'\t<memory>{memory}</memory>\n')
     if native is not None:
         strings.append(f'\t<native>{native}</native>\n')
+    if native2 is not None:
+        strings.append(f'\t<native>{native2}</native>\n')
     strings.append('\n')
     strings.append(f'\t<join><cyclestr>{log}</cyclestr></join>\n')
     strings.append('\n')

workflow/rocoto/tasks.py

@@ -113,7 +113,7 @@ def get_resource(self, task_name):
         Given a task name (task_name) and its configuration (task_names),
         return a dictionary of resources (task_resource) used by the task.
         Task resource dictionary includes:
-        account, walltime, cores, nodes, ppn, threads, memory, queue, partition, native
+        account, walltime, cores, nodes, ppn, threads, memory, queue, partition, native[2]
         """
 
         scheduler = self.app_config.scheduler
@@ -143,10 +143,13 @@ def get_resource(self, task_name):
         memory = task_config.get(f'memory_{task_name}', None)
 
         native = None
+        native2 = None
         if scheduler in ['pbspro']:
             native = '-l debug=true,place=vscatter'
             if task_config.get('is_exclusive', False):
                 native += ':exclhost'
+            if task_config.get('ldebug', False):
+                native2 = '-l ldebug=true'
         elif scheduler in ['slurm']:
             native = '--export=NONE'
 
@@ -165,6 +168,7 @@ def get_resource(self, task_name):
                          'threads': threads,
                          'memory': memory,
                          'native': native,
+                         'native2': native2,
                          'queue': queue,
                          'partition': partition}