feat: add a new job management mechanism in the PushJobAgent

DIRACGrid · Apr 25, 2024 · a7f2833 · a7f2833
1 parent f877d14
commit a7f2833
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Showing 11 changed files with 1,098 additions and 245 deletions.
diff --git a/docs/source/AdministratorGuide/Resources/supercomputers.rst b/docs/source/AdministratorGuide/Resources/supercomputers.rst
@@ -126,6 +126,10 @@ To leverage the Push model, one has to add the :mod:`~DIRAC.WorkloadManagementSy
           # Control the number of jobs handled on the machine
           MaxJobsToSubmit = 100
           Module = PushJobAgent
+          # SubmissionPolicy can be "Application" or "JobWrapper"
+          # - Application (soon deprecated): the agent will submit a workflow to a PoolCE, the workflow is responsible for interacting with the remote site
+          # - JobWrapper: the agent will submit a JobWrapper directly to the remote site, it is responsible of the remote execution
+          SubmissionPolicy = <SubmissionPolicy>
    }
 
 One has also to authorize the machine hosting the :mod:`~DIRAC.WorkloadManagementSystem.Agent.PushJobAgent` to process jobs via the ``Registry/Hosts/<Host>`` CS section::

diff --git a/src/DIRAC/Resources/Computing/ARCComputingElement.py b/src/DIRAC/Resources/Computing/ARCComputingElement.py
@@ -253,7 +253,7 @@ def _writeXRSL(self, executableFile, inputs, outputs):
 
     def _bundlePreamble(self, executableFile):
         """Bundle the preamble with the executable file"""
-        wrapperContent = f"{self.preamble}\n./{executableFile}"
+        wrapperContent = f"{self.preamble}\n{os.path.join('.', os.path.basename(executableFile))}"
 
         # We need to make sure the executable file can be executed by the wrapper
         # By adding the execution mode to the file, the file will be processed as an "executable" in the XRSL

diff --git a/src/DIRAC/Resources/Computing/AREXComputingElement.py b/src/DIRAC/Resources/Computing/AREXComputingElement.py
@@ -502,6 +502,10 @@ def submitJob(self, executableFile, proxy, numberOfJobs=1, inputs=None, outputs=
                 f"{jobReference} to CE {self.ceHost}",
             )
 
+        # Remove the bundled preamble
+        if self.preamble:
+            os.remove(executableFile)
+
         if batchIDList:
             result = S_OK(batchIDList)
             result["PilotStampDict"] = stampDict

diff --git a/src/DIRAC/Workflow/Modules/Script.py b/src/DIRAC/Workflow/Modules/Script.py
@@ -10,7 +10,6 @@
 
 from DIRAC import gLogger, gConfig
 from DIRAC.Core.Utilities.Subprocess import systemCall
-from DIRAC.WorkloadManagementSystem.Utilities.RemoteRunner import RemoteRunner
 from DIRAC.Workflow.Modules.ModuleBase import ModuleBase
 
 
@@ -83,22 +82,13 @@ def _executeCommand(self):
         """execute the self.command (uses systemCall)"""
         failed = False
 
-        # Check whether the execution should be done remotely
-        if gConfig.getValue("/LocalSite/RemoteExecution", False):
-            remoteRunner = RemoteRunner(
-                gConfig.getValue("/LocalSite/Site"),
-                gConfig.getValue("/LocalSite/GridCE"),
-                gConfig.getValue("/LocalSite/CEQueue"),
-            )
-            retVal = remoteRunner.execute(self.command)
-        else:
-            retVal = systemCall(
-                timeout=0,
-                cmdSeq=shlex.split(self.command),
-                env=self.environment,
-                callbackFunction=self.callbackFunction,
-                bufferLimit=self.bufferLimit,
-            )
+        retVal = systemCall(
+            timeout=0,
+            cmdSeq=shlex.split(self.command),
+            env=self.environment,
+            callbackFunction=self.callbackFunction,
+            bufferLimit=self.bufferLimit,
+        )
 
         if not retVal["OK"]:
             failed = True