Merge pull request #2247 from fractal-analytics-platform/1588-print-a…

…dditional-info-from-slurm-jobs

Add `uname -n` output to SLURM jobs

CHANGELOG.md

@@ -13,6 +13,7 @@
     * Remove `run_migrations_offline` from `env.py` and make `run_migrations_online` sync (\#2239).
 * Runner
     * Sudo/SLURM executor checks the fractal-server version using `FRACTAL_SLURM_WORKER_PYTHON` config variable, if set (\#2240).
+    * Add `uname -n` to SLURM submission scripts (\#2247).
     * Handle `_COMPONENT_KEY_`-related errors in sudo/SLURM executor, to simplify testing (\#2245).
     * Drop obsolete `SlurmJob.workflow_task_file_prefix` for both SSH/sudo executors (\#2245).
     * Drop obsolete `keep_pickle_files` attribute from slurm executors (\#2246).

fractal_server/app/runner/executors/slurm/ssh/executor.py

@@ -1199,8 +1199,10 @@ def _prepare_sbatch_script(
         script_lines = slurm_config.sort_script_lines(script_lines)
         logger.debug(script_lines)
 
-        # Always print output of `pwd`
-        script_lines.append('echo "Working directory (pwd): `pwd`"\n')
+        # Always print output of `uname -n` and `pwd`
+        script_lines.append(
+            '"Hostname: `uname -n`; current directory: `pwd`"\n'
+        )
 
         # Complete script preamble
         script_lines.append("\n")

fractal_server/app/runner/executors/slurm/sudo/executor.py

@@ -1162,8 +1162,10 @@ def _prepare_sbatch_script(
         script_lines = slurm_config.sort_script_lines(script_lines)
         logger.debug(script_lines)
 
-        # Always print output of `pwd`
-        script_lines.append('echo "Working directory (pwd): `pwd`"\n')
+        # Always print output of `uname -n` and `pwd`
+        script_lines.append(
+            '"Hostname: `uname -n`; current directory: `pwd`"\n'
+        )
 
         # Complete script preamble
         script_lines.append("\n")