18180: Support for requesting preemptible instances in CWL

[arvados.git] / sdk / cwl / arvados_cwl / arvcontainer.py

diff --git a/sdk/cwl/arvados_cwl/arvcontainer.py b/sdk/cwl/arvados_cwl/arvcontainer.py
index 2a5ff3a13a834861c846769af9407b8b1de10c2a..8c468dd22d09046bdff1b1f2152197ebdbe5c3ed 100644 (file)
--- a/sdk/cwl/arvados_cwl/arvcontainer.py
+++ b/sdk/cwl/arvados_cwl/arvcontainer.py
@@ -300,6 +300,17 @@ class ArvadosContainer(JobBase):
                 "hardware_capability": aslist(cuda_req["cudaComputeCapability"])[0]
             }
 
+        if runtimeContext.enable_preemptible is False:
+            scheduling_parameters["preemptible"] = False
+        else:
+            preemptible_req, _ = self.get_requirement("http://arvados.org/cwl#UsePreemptible")
+            if preemptible_req:
+                scheduling_parameters["preemptible"] = preemptible_req["usePreemptible"]
+            elif runtimeContext.enable_preemptible is True:
+                scheduling_parameters["preemptible"] = True
+            elif runtimeContext.enable_preemptible is None:
+                pass
+
         if self.timelimit is not None and self.timelimit > 0:
             scheduling_parameters["max_run_time"] = self.timelimit
 
@@ -550,6 +561,12 @@ class RunnerContainer(Runner):
         if self.enable_dev:
             command.append("--enable-dev")
 
+        if runtimeContext.enable_preemptible is True:
+            command.append("--enable-preemptible")
+
+        if runtimeContext.enable_preemptible is False:
+            command.append("--disable-preemptible")
+
         command.extend([workflowpath, "/var/lib/cwl/cwl.input.json"])
 
         container_req["command"] = command