genpolicy: ignore preemptionPolicy

Ignore the pod preemptionPolicy field from input YAML - irrelevant
for building the Policy.

Signed-off-by: Dan Mihai <dmihai@microsoft.com>

src/tools/genpolicy/src/pod.rs

@@ -98,6 +98,9 @@ pub struct PodSpec {
 
     #[serde(skip_serializing_if = "Option::is_none")]
     priorityClassName: Option<String>,
+
+    #[serde(skip_serializing_if = "Option::is_none")]
+    preemptionPolicy: Option<String>,
 }
 
 /// See Reference / Kubernetes API / Workload Resources / Pod.

tests/integration/kubernetes/runtimeclass_workloads/k8s-policy-rc.yaml

@@ -43,3 +43,4 @@ spec:
       - name: hostpath-vol-read-only
         hostPath:
           path: /tmp/results-read-only
+      preemptionPolicy: PreemptLowerPriority