openshift-gvk-comparison.yml

- hosts: localhost
  gather_facts: false
  tasks:
    - name: Fail if SRC_KUBECONFIG or DST_KUBECONFIG is not set
      ansible.builtin.fail:
        msg: "Please export SRC_KUBECONFIG and DST_KUBECONFIG for your clusters"
      when: >
        lookup('ansible.builtin.env', 'SRC_KUBECONFIG') == "" or
        lookup('ansible.builtin.env', 'DST_KUBECONFIG') == ""

    - name: Retrieve SRC GVKs
      kubernetes.core.k8s_cluster_info:
        kubeconfig: "{{ lookup('ansible.builtin.env', 'SRC_KUBECONFIG') }}"
        validate_certs: false
      register: src_api_status

    - name: Load SRC GVKs
      ansible.builtin.set_fact:
        src_gvks: "{{ src_gvks | default([]) + [ _task.task.kind.name | string + '.' + _task.task.api_version | string] }}"
      loop: >-
        {{
          src_api_status.apis.keys()
          | zip(src_api_status.apis.values() | map('dict2items'))
          | subelements([1])
        }}
      loop_control:
        label: "{{ item.0.0 }} — {{ item.1.key }}"
      vars:
        _task:
          task:
            kind: "{{ item.1.value }}"
            group: "{{ item.1.key }}"
            api_version: "{{ item.0.0 }}"

    - name: Retrieve DST GVKs
      kubernetes.core.k8s_cluster_info:
        kubeconfig: "{{ lookup('ansible.builtin.env', 'DST_KUBECONFIG') }}"
        validate_certs: false
      register: dst_api_status

    - name: Load DST GVKs
      ansible.builtin.set_fact:
        dst_gvks: "{{ dst_gvks | default([]) + [ _task.task.kind.name | string + '.' + _task.task.api_version | string] }}"
      loop: >-
        {{
          dst_api_status.apis.keys()
          | zip(dst_api_status.apis.values() | map('dict2items'))
          | subelements([1])
        }}
      loop_control:
        label: "{{ item.0.0 }} — {{ item.1.key }}"
      vars:
        _task:
          task:
            kind: "{{ item.1.value }}"
            group: "{{ item.1.key }}"
            api_version: "{{ item.0.0 }}"

    - name: Locate GVKs absent on DST
      ansible.builtin.set_fact:
        unhandled_gvks: "{{ unhandled_gvks | default([]) + [item] }}"
      with_items: "{{ src_gvks }}"
      when:
        - item not in dst_gvks
        - item != "deployments.extensions/v1beta1" # Cohabitating resource
        - item != "daemonsets.extensions/v1beta1" # Cohabitating resource
        - item != "replicasets.extensions/v1beta1" # Cohabitating resource
        - item != "networkpolicies.extensions/v1beta1" # Cohabitating resource
        - item != "events.events.k8s.io/v1beta1" # Cohabitating resource
        - item != "deployments.apps/v1beta2" # Velero can restore version in common: deployments.apps/v1
        - item != "daemonsets.apps/v1beta2" # Velero can restore version in common: daemonsets.apps/v1
        - item != "apiservices.apiregistration.k8s.io/v1beta1" # Velero can restore version in common: apiservices.apiregistration.k8s.io/v1
        - item != "controllerrevisions.apps/v1beta2" # Velero can restore version in common: controllerrevisions.apps/v1
        - item != "controllerrevisions.apps/v1beta1" # Velero can restore version in common: controllerrevisions.apps/v1
        - item != "replicasets.apps/v1beta2" # Velero can restore version in common: replicasets.apps/v1
        - item != "statefulsets.apps/v1beta2" # Velero can restore version in common: statefulsets.apps/v1
        - item != "statefulsets.apps/v1beta1" # Velero can restore version in common: statefulsets.apps/v1
        - item != "deployments.apps/v1beta1" # Velero can restore version in common: deployments.apps/v1
        - item != "tokenreviews.authentication.k8s.io/v1beta1" # Velero can restore version in common: tokenreviews.authentication.k8s.io/v1
        - item != "localsubjectaccessreviews.authorization.k8s.io/v1beta1" # Velero can restore version in common: localsubjectaccessreviews.authorization.k8s.io/v1
        - item != "selfsubjectaccessreviews.authorization.k8s.io/v1beta1" # Velero can restore version in common: selfsubjectaccessreviews.authorization.k8s.io/v1
        - item != "selfsubjectrulesreviews.authorization.k8s.io/v1beta1" # Velero can restore version in common: selfsubjectrulesreviews.authorization.k8s.io/v1
        - item != "subjectaccessreviews.authorization.k8s.io/v1beta1" # Velero can restore version in common: subjectaccessreviews.authorization.k8s.io/v1
        - item != "clusterrolebindings.rbac.authorization.k8s.io/v1beta1" # Velero can restore version in common: clusterrolebindings.rbac.authorization.k8s.io/v1
        - item != "clusterroles.rbac.authorization.k8s.io/v1beta1" # Velero can restore version in common: clusterroles.rbac.authorization.k8s.io/v1
        - item != "rolebindings.rbac.authorization.k8s.io/v1beta1" # Velero can restore version in common: rolebindings.rbac.authorization.k8s.io/v1
        - item != "roles.rbac.authorization.k8s.io/v1beta1" # Velero can restore version in common: roles.rbac.authorization.k8s.io/v1
        - item != "storageclasses.storage.k8s.io/v1beta1" # Velero can restore version in common: storageclasses.storage.k8s.io/v1
        - item != "cronjobs.batch/v1beta1" # Compat conversion https://github.com/migtools/mig-controller/pull/1328

    - name: Source Cluster GVKs
      ansible.builtin.debug:
        var: src_gvks

    - name: Destination Cluster GVKs
      ansible.builtin.debug:
        var: dst_gvks

    - name: Unhandled GVKs
      ansible.builtin.debug:
        var: unhandled_gvks