Merge pull request ppc64le-cloud#61 from Rajalakshmi-Girish/deprecate-docker

Remove Docker runtime support

Author: Power Cloud Robot

examples/docker-cluster/extra-vars-k8s-stable.json

@@ -21,8 +21,6 @@ runc_version: 1.1.7
 runtime: containerd
 containerd_version: 1.7.2
 pause_container_image: registry.k8s.io/pause:3.9
-# Docker runtime is deprecated after k8s v1.20 - https://kubernetes.io/blog/2020/12/02/dont-panic-kubernetes-and-docker/
-# This repo also supports installation with docker runtime as per the compatibility with k8s.
 
 cgroup_driver: systemd
 # By default it will set to the default interface MTU value, set the MTU here to override it

examples/docker-cluster/hosts.yml

@@ -62,10 +62,6 @@
         dest: /usr/bin/runc
         mode: '0755'
 
-- name: Install and Configure Runtime - Docker
-  import_tasks: docker.yaml
-  when: runtime == "docker"
-
 - name: Install and Configure Runtime - Containerd
   import_tasks: containerd.yaml
   when: runtime == "containerd"

group_vars/all

@@ -1,15 +1,11 @@
 {% set containerd_sock = 'unix:///run/containerd/containerd.sock' %}
 {% set crio_sock = 'unix:///run/crio/crio.sock' %}
-{% set dockershim_sock = 'unix:///var/run/dockershim.sock' %}
 {% if 'containerd' == runtime %}
 runtime-endpoint: {{ containerd_sock }}
 image-endpoint: {{ containerd_sock }}
 {% elif 'crio' == runtime %}
 runtime-endpoint: {{ crio_sock }}
 image-endpoint: {{ crio_sock }}
-{% else %}
-runtime-endpoint: {{ dockershim_sock }}
-image-endpoint: {{ dockershim_sock }}
 {% endif %}
 timeout: 2
 debug: false