pspmigrator/migrator.go

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package pspmigrator
import (
v1 "k8s.io/api/core/v1"
"k8s.io/pod-security-admission/api"
psaApi "k8s.io/pod-security-admission/api"
"k8s.io/pod-security-admission/policy"
)
func SuggestedPodSecurityStandard(pod *v1.Pod) (psaApi.Level, error) {
evaluator, err := policy.NewEvaluator(policy.DefaultChecks())
if err != nil {
return "", err
}
apiVersion, err := api.ParseVersion("latest")
if err != nil {
return "", err
}
for _, level := range []string{"restricted", "baseline"} {
apiLevel, err := psaApi.ParseLevel(level)
if err != nil {
return "", err
}
result := policy.AggregateCheckResults(evaluator.EvaluatePod(
psaApi.LevelVersion{Level: apiLevel, Version: apiVersion}, &pod.ObjectMeta, &pod.Spec))
if result.Allowed {
return apiLevel, nil
}
}
return api.LevelPrivileged, nil
}