[docker] use cri-dockerd instead of dockershim for any kubernetes version deployed with docker as the container_manager

docs/docker.md

@@ -8,13 +8,7 @@ Using the docker container manager:
 container_manager: docker
 ```
 
-Using `cri-dockerd` instead of `dockershim`:
-
-```yaml
-cri_dockerd_enabled: false
-```
-
-*Note:* The `cri_dockerd_enabled: true` setting will become the default in a future kubespray release once kubespray 1.24+ is supported and `dockershim` is removed. At that point, changing this option will be deprecated and silently ignored.
+*Note:* `cri-dockerd` has replaced `dockershim` across supported kubernetes version in kubespray 2.20.
 
 Enabling the `overlay2` graph driver:
 

inventory/sample/group_vars/all/docker.yml

@@ -57,6 +57,3 @@ docker_rpm_keepcache: 1
 ## A string of extra options to pass to the docker daemon.
 ## This string should be exactly as you wish it to appear.
 # docker_options: ""
-
-## Use CRI-DockerD instead of dockershim
-# cri_dockerd_enabled: false

roles/container-engine/cri-dockerd/molecule/default/converge.yml

@@ -4,7 +4,6 @@
   become: true
   vars:
     container_manager: docker
-    cri_dockerd_enabled: true
   roles:
     - role: kubespray-defaults
     - role: container-engine/cri-dockerd

roles/container-engine/meta/main.yml

@@ -50,16 +50,8 @@ dependencies:
       - container-engine
       - containerd
 
-  - role: container-engine/docker
-    when:
-      - container_manager == 'docker'
-    tags:
-      - container-engine
-      - docker
-
   - role: container-engine/cri-dockerd
     when:
-      - cri_dockerd_enabled
       - container_manager == 'docker'
     tags:
       - container-engine

roles/download/defaults/main.yml

@@ -1001,7 +1001,7 @@ downloads:
 
   crictl:
     file: true
-    enabled: "{{ container_manager in ['crio', 'cri', 'containerd'] or cri_dockerd_enabled }}"
+    enabled: true
     version: "{{ crictl_version }}"
     dest: "{{ local_release_dir }}/crictl-{{ crictl_version }}-linux-{{ image_arch }}.tar.gz"
     sha256: "{{ crictl_binary_checksum }}"
@@ -1014,7 +1014,7 @@ downloads:
 
   cri_dockerd:
     file: true
-    enabled: "{{ cri_dockerd_enabled }}"
+    enabled: "{{ container_manager == 'docker' }}"
     version: "{{ cri_dockerd_version }}"
     dest: "{{ local_release_dir }}/cri-dockerd-{{ cri_dockerd_version }}.{{ image_arch }}.tar.gz"
     sha256: "{{ cri_dockerd_archive_checksum }}"

roles/kubernetes/node/templates/kubelet.env.v1beta1.j2

@@ -12,9 +12,6 @@ KUBELET_HOSTNAME="--hostname-override={{ kube_override_hostname }}"
 --config={{ kube_config_dir }}/kubelet-config.yaml \
 --kubeconfig={{ kube_config_dir }}/kubelet.conf \
 {# end kubeadm specific settings #}
-{% if container_manager == 'docker' and not cri_dockerd_enabled %}
---pod-infra-container-image={{ pod_infra_image_repo }}:{{ pod_infra_image_tag }} \
-{% else %}
 --container-runtime=remote \
 --container-runtime-endpoint=unix://{{ cri_socket }} \
 {% endif %}
@@ -35,9 +32,7 @@ KUBELET_ARGS="{{ kubelet_args_base }} {% if node_taints|default([]) %}--register
 {% if kubelet_flexvolumes_plugins_dir is defined %}
 KUBELET_VOLUME_PLUGIN="--volume-plugin-dir={{ kubelet_flexvolumes_plugins_dir }}"
 {% endif %}
-{% if kube_network_plugin is defined and kube_network_plugin in ["calico", "canal", "cni", "flannel", "weave", "cilium", "kube-ovn", "kube-router", "macvlan"] %}
-KUBELET_NETWORK_PLUGIN="--network-plugin=cni --cni-conf-dir=/etc/cni/net.d --cni-bin-dir=/opt/cni/bin"
-{% elif kube_network_plugin is defined and kube_network_plugin == "cloud" %}
+{% if kube_network_plugin is defined and kube_network_plugin == "cloud" %}
 KUBELET_NETWORK_PLUGIN="--hairpin-mode=promiscuous-bridge --network-plugin=kubenet"
 {% endif %}
 {% if cloud_provider is defined and cloud_provider in ["openstack", "azure", "vsphere", "aws", "gce", "external"] %}

roles/kubespray-defaults/defaults/main.yaml

@@ -267,9 +267,6 @@ deploy_container_engine: "{{ inventory_hostname in groups['k8s_cluster'] or etcd
 # Container for runtime
 container_manager: containerd
 
-# Enable CRI Docker interface
-cri_dockerd_enabled: false
-
 # Enable Kata Containers as additional container runtime
 # When enabled, it requires `container_manager` different than Docker
 kata_containers_enabled: false
@@ -295,10 +292,8 @@ cri_socket: >-
   /var/run/crio/crio.sock
   {%- elif container_manager == 'containerd' -%}
   /var/run/containerd/containerd.sock
-  {%- elif cri_dockerd_enabled -%}
+  {%- elif container_manager == 'docker' -%}
   /var/run/cri-dockerd.sock
-  {%- else -%}
-  /var/run/dockershim.sock
   {%- endif -%}
 
 ## Uncomment this if you want to force overlay/overlay2 as docker storage driver

tests/files/packet_almalinux8-docker.yml

@@ -8,4 +8,3 @@ vm_memory: 3072Mi
 container_manager: docker
 etcd_deployment_type: docker
 resolvconf_mode: docker_dns
-cri_dockerd_enabled: true

tests/files/packet_ubuntu20-aio-docker.yml

@@ -15,4 +15,3 @@ enable_nodelocaldns: False
 container_manager: docker
 etcd_deployment_type: docker
 resolvconf_mode: docker_dns
-cri_dockerd_enabled: true