Delete task pods upon successful completion

deploy/00-rbac.yaml

@@ -60,7 +60,7 @@ rules:
     verbs: ["get"]
   - apiGroups: [""]
     resources: ["pods"]
-    verbs: ["get", "list", "watch", "create", "update", "patch"]
+    verbs: ["get", "list", "watch", "create", "update", "patch", "delete"]
 ---
 kind: ClusterRoleBinding
 apiVersion: rbac.authorization.k8s.io/v1

orchestrator/k8s.py

@@ -63,3 +63,4 @@ def run_on_node(fn, node):
     wait_for(is_finished, "task to finish")
     if task_pod.obj["status"]["phase"] != "Succeeded":
         raise Exception(f"Task {name} failed")
+    task_pod.delete()