Set containerd version to 1.4.4 (#7398)

* Set containerd version to 1.4.3

* Set containerd version to 1.4.4

Co-authored-by: Barry Melbourne <9964974+bmelbourne@users.noreply.github.com>

roles/kubespray-defaults/defaults/main.yaml

@@ -309,7 +309,13 @@ docker_plugins: []
 etcd_kubeadm_enabled: false
 
 # Containerd options
-containerd_use_systemd_cgroup: false
+containerd_version: >-
+  {%- if ansible_os_family == "Debian" and ansible_distribution_release == "stretch" -%}
+  1.4.3
+  {%- else -%}
+  1.4.4
+  {%- endif -%}
+containerd_use_systemd_cgroup: true
 
 # Settings for containerized control plane (etcd/kubelet/secrets)
 # deployment type for legacy etcd mode

roles/kubespray-defaults/vars/main.yml

@@ -5,3 +5,5 @@ kube_proxy_deployed: "{{ 'addon/kube-proxy' not in kubeadm_init_phases_skip }}"
 
 # The lowest version allowed to upgrade from (same as calico_version in the previous branch)
 calico_min_version_required: "v3.15.2"
+
+containerd_min_version_required: "1.3.7"