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>

docs/containerd.md

@@ -22,16 +22,10 @@ etcd_deployment_type: host
 Example: define registry mirror for docker hub
 
 ```yaml
-containerd_config:
-  grpc:
-    max_recv_message_size: 16777216
-    max_send_message_size: 16777216
-  debug:
-    level: ""
-  registries:
-    "docker.io":
-      - "https://mirror.gcr.io"
-      - "https://registry-1.docker.io"
+containerd_registries:
+  "docker.io":
+    - "https://mirror.gcr.io"
+    - "https://registry-1.docker.io"
 ```
 
 [containerd]: https://containerd.io/

docs/upgrades.md

@@ -7,6 +7,7 @@ You can also individually control versions of components by explicitly defining
 versions. Here are all version vars for each component:
 
 * docker_version
+* containerd_version
 * kube_version
 * etcd_version
 * calico_version
@@ -283,6 +284,7 @@ installed in the Ansible playbook. The order of component installation is as
 follows:
 
 * Docker
+* Containerd
 * etcd
 * kubelet and kube-proxy
 * network_plugin (such as Calico or Weave)

docs/vars.md

@@ -18,6 +18,7 @@ Some variables of note include:
 * *docker_version* - Specify version of Docker to used (should be quoted
   string). Must match one of the keys defined for *docker_versioned_pkg*
   in `roles/container-engine/docker/vars/*.yml`.
+* *containerd_version* - Specify version of Containerd to use
 * *etcd_version* - Specify version of ETCD to use
 * *ipip* - Enables Calico ipip encapsulation by default
 * *kube_network_plugin* - Sets k8s network plugin (default Calico)
@@ -115,7 +116,8 @@ Stack](https://github.com/kubernetes-sigs/kubespray/blob/master/docs/dns-stack.m
 * *docker_options* - Commonly used to set
   ``--insecure-registry=myregistry.mydomain:5000``
 * *docker_plugins* - This list can be used to define [Docker plugins](https://docs.docker.com/engine/extend/) to install.
-* *containerd_config* - Controls some parameters in containerd configuration file (usually /etc/containerd/config.toml).
+* *containerd_default_runtime* - Sets the default Containerd runtime used by the Kubernetes CRI plugin.
+* *containerd_runtimes* - Sets the Containerd runtime attributes used by the Kubernetes CRI plugin.
   [Default config](https://github.com/kubernetes-sigs/kubespray/blob/master/roles/container-engine/containerd/defaults/main.yml) can be overriden in inventory vars.
 * *http_proxy/https_proxy/no_proxy/no_proxy_exclude_workers/additional_no_proxy* - Proxy variables for deploying behind a
   proxy. Note that no_proxy defaults to all internal cluster IPs and hostnames