Add Kata Containers support to CRI-O runtime (#6830)

* Enable Kata Containers for CRI-O runtime

Kata Containers is an OCI runtime where containers are run inside
lightweight VMs. This runtime has been enabled for containerd runtime
thru the kata_containers_enabled variable. This change enables Kata
Containers to CRI-O container runtime.

Signed-off-by: Victor Morales <v.morales@samsung.com>

* Set appropiate conmon_cgroup when crio_cgroup_manager is 'cgroupfs'

* Set manage_ns_lifecycle=true when KataContainers is enabed

* Add preinstall check for katacontainers

Signed-off-by: Victor Morales <v.morales@samsung.com>

Co-authored-by: Pasquale Toscano <pasqualetoscano90@gmail.com>

roles/container-engine/cri-o/tasks/main.yaml

@@ -29,6 +29,12 @@
 
 - import_tasks: "crictl.yml"
 
+- name: Build a list of crio runtimes
+  set_fact:
+    crio_runtimes: "{{ crio_runtimes + kata_runtimes  }}"
+  when:
+    - kata_containers_enabled
+
 - name: Make sure needed folders exist in the system
   with_items:
     - /etc/crio