FEATURE STATE: Kubernetes v1.6 [alpha]  This page provides an overview of PodPresets, which are objects for injecting certain information into pods at creation time. The information can include secrets, volumes, volume mounts, and environment variables.
Understanding Pod presets A PodPreset is an API resource for injecting additional runtime requirements into a Pod at creation time. You use label selectors to specify the Pods to which a given PodPreset applies.

My rancher cluster is behind a corporate proxy. I need to inject the proxy url my pods during installation. Kubernetes can do that by using PodPreset. Is there a way in rancher 2.2 to enable PodPreset in Kubernetes?