containerd support (#4664)

* Add limited containerd support

Containerd support for Ubuntu + Calico

* Added CRI-O support for ubuntu

* containerd support.

* Reset  containerd support.

* fix lint.

* implemented feedback

* Change task name cri xx instead of cri-o in reset task and timeout condition.

* set crictl to fixed version

* Use docker-ce's container.io package for containerd.

* Add check containerd is installable or not.

* Avoid stop docker when use containerd and optimize retry for reset.

* Add config.toml.

* Fixed containerd for kubelet.env.

* Merge PR #4629

* Remove unused ubuntu variable for containerd

* Polish code for containerd and cri-o

* Refactoring cri socket configuration.

* Configurable conmon.

* Remove unused crictl/runc download

* Now crictl and runc is downloaded by common crictl.yml.

* fixed yamllint error

* Fixed brokenfiles by conflict.

* Remove commented line in config.toml

* Remove readded v1.12.x version

* Fixed broken set_docker_image_facts

* Fix yamllint errors.

* Remove unused apt source

* Fix crictl could not be installed

* Add containerd config from skolekonov's PR #4601

roles/network_plugin/cilium/templates/cilium-ds.yml.j2

@@ -151,14 +151,14 @@ spec:
               mountPath: /host/opt/cni/bin
             - name: etc-cni-netd
               mountPath: /host/etc/cni/net.d
-{% if container_manager == 'crio' %}
-            - name: crio-socket
-              mountPath: /var/run/crio.sock
-              readOnly: true
-{% else %}
+{% if container_manager == 'docker' %}
             - name: docker-socket
               mountPath: /var/run/docker.sock
               readOnly: true
+{% else %}
+            - name: "{{ container_manager }}-socket"
+              mountPath: {{ cri_socket }}
+              readOnly: true
 {% endif %}
             - name: etcd-config-path
               mountPath: /var/lib/etcd-config
@@ -182,16 +182,16 @@ spec:
         - name: bpf-maps
           hostPath:
             path: /sys/fs/bpf
-{% if container_manager == 'crio' %}
-        # To read crio events from the node
-        - name: crio-socket
-          hostPath:
-            path: /var/run/crio/crio.sock
-{% else %}
+{% if container_manager == 'docker' %}
         # To read docker events from the node
         - name: docker-socket
           hostPath:
             path: /var/run/docker.sock
+{% else %}
+        # To read crio events from the node
+        - name: {{ container_manager }}-socket
+          hostPath:
+            path: {{ cri_socket }}
 {% endif %}
         # To install cilium cni plugin in the host
         - name: cni-path