add is_exclusive to resource.AWSPW

parm/config/gfs/config.resources.AWSPW

@@ -2,6 +2,8 @@
 
 # AWS-specific job resources
 
+export is_exclusive="True"
+
 # shellcheck disable=SC2312
 for mem_var in $(env | grep '^memory_' | cut -d= -f1); do
   unset "${mem_var}"

workflow/rocoto/tasks.py

@@ -223,13 +223,7 @@ def get_resource(self, task_name):
             else:
                 native += ':shared'
         elif scheduler in ['slurm']:
-           #The PW_CSP is a AWS (CSPs parameter), if it is on CSPs, we need 'native' defined
-           #as below. Or, it won't run, but with an error:
-           #"ufs_model.x: error while loading shared libraries: libiomp5.so: cannot open shared object file: No such file or directory"
-           #Even the library path is clearly in LD_LIBRARY_PATH, or load exactly the modules when build ufs_model.x
-           #TODO: find a mechanism to provide native scheduler information.
-            pw_csp = os.environ.get('PW_CSP', 'unknown')
-            if ( pw_csp in ['aws', 'azure', 'google'] ):
+            if task_config.get('is_exclusive', False):
                 native = '--export=ALL --exclusive'
             else:
                 native = '--export=NONE'