test-crd.yaml

apiVersion: runtime.kwasm.sh/v1beta1
kind: Shim
metadata:
  # The Shim resource is a cluster wide resource, no namespace.
  name: my-shim-v0.1.2
spec:
  # optional: label selector for nodes to target with shim.
  # If not supplied, the shim should be installed on all nodes.
  nodeSelector:
    wasm: "true"
    
  # required: The method for fetching a shim.
  # This could be any number of strategies for fetching. For example, OCI.
  fetchStrategy:
    anonHttp:
      location: https://github.com/some-org/some-project/releases/v0.8.0/shims.tar.gz
      
  # required: The runtime class to be applied in the cluster for the shim.
  # 
  # The validation for this structure should also validate the `handler`
  # will map to the name / path of the shim binary that is installed on the node.
  #
  # Upon installation of a shim to a node, a label should be added to the node
  # to indicate a specific shim is installed on the node. This label must be
  # used to inform the K8s scheduler where to schedule workloads for the given
  # runtime class.
  #
  # ---
  # apiVersion: node.k8s.io/v1
  # kind: RuntimeClass
  # metadata:
  #   name: myshim-v0.1.2
  # handler: myshim_v0_1_2
  # scheduling:
  #   nodeSelector:
  #     myshim_v0_1_2: "true"
  runtimeClass:
    name: my-shim-v0.1.2
    
  # rolloutStrategy describes how a change to this shim will be applied to nodes.
  rolloutStrategy:
    type: rolling
    rolling:
      maxUpdate: 5 # could also be a percentage of nodes, like 10% of nodes.
  # conditions should provide the status of the resource and it's progression