fix slurm docs with a note about --export defaults (#895)

source/installation/resource-manager/slurm.rst

@@ -6,26 +6,38 @@ Slurm
 A YAML cluster configuration file for a Slurm resource manager on an HPC
 cluster looks like:
 
+.. warning::
+  Open OnDemand's Slurm support defaults to issuing CLI commands with
+  the ``--export`` flag set to ``NONE``, when Slurms default is ``ALL``.
+  This can cause issues with jobs that require ``srun``.
+
+  Work arounds are currently to ``export SLURM_EXPORT_ENV=ALL``
+  in a :ref:`script_wrapper <script_wrapper>` before any job scripts run.
+
+  Alternatively, you can use ``copy_enviornment`` below with the caveat
+  that the PUNs environment is very different from regular shell sessions.
+
 .. code-block:: yaml
    :emphasize-lines: 8-
 
    # /etc/ood/config/clusters.d/my_cluster.yml
    ---
    v2:
-     metadata:
-       title: "My Cluster"
-     login:
-       host: "my_cluster.my_center.edu"
-     job:
-       adapter: "slurm"
-       cluster: "my_cluster"
-       bin: "/path/to/slurm/bin"
-       conf: "/path/to/slurm.conf"
-       # bin_overrides:
-         # sbatch: "/usr/local/bin/sbatch"
-         # squeue: ""
-         # scontrol: ""
-         # scancel: ""
+      metadata:
+        title: "My Cluster"
+      login:
+        host: "my_cluster.my_center.edu"
+      job:
+        adapter: "slurm"
+        cluster: "my_cluster"
+        bin: "/path/to/slurm/bin"
+        conf: "/path/to/slurm.conf"
+        # bin_overrides:
+          # sbatch: "/usr/local/bin/sbatch"
+          # squeue: ""
+          # scontrol: ""
+          # scancel: ""
+        copy_enviornment: false
 
 with the following configuration options:
 
@@ -36,7 +48,7 @@ cluster
 
   .. warning::
     Using the ``cluster`` option is discouraged. This is because maintenance
-    outages on the Slurm DB will propogate to Open OnDemand.  Instead sites
+    outages on the Slurm database will propogate to Open OnDemand.  Instead sites
     should use different ``conf`` files for each cluster to limit maintenance outages.
 bin
   The path to the Slurm client installation binaries.
@@ -54,6 +66,12 @@ bin_overrides
   - `scontrol`
   - `scancel`
 
+copy_enviornment
+  Copies the enviornment of the PUN when issuing CLI commands. Default behaviour
+  for Open OnDemand is to use ``--export=NONE`` flag. Setting this to true will
+  cause Open OnDemand to issue CLI commands with ``--export=ALL``. Though this may
+  cause issues as the PUN's environment is very different than a regular shell session.
+
 .. note::
 
    If you do not have a multi-cluster Slurm setup you can remove the ``cluster:

source/reference/files/submit-yml/basic-bc-options.rst

@@ -119,20 +119,22 @@ Basic Batch Connect Options
 
         header: 'echo "all done at $(date)"'
 
+.. _script_wrapper:
+
 .. describe:: script_wrapper (String, "%s")
 
-    wrap the script ('%s' being the script content) with commands before
-    and after
+    Wrap the script (``%s`` being the script content) with commands before
+    and after.
 
     Default
-      the script has no wrapper
+      The script has no wrapper.
 
       .. code-block:: yaml
 
         script_wrapper: "%s"
 
     Example
-      load a module before the script and echo a statement after it
+      Load a module before the script and echo a statement after it.
 
       .. code-block:: yaml