Remove dockerproject org (#5548)

* Change dockerproject.org to download.docker.com

dockerproject.org was deprecated in 2017 and has gone down.

* Restore yum repo for containerd

Change-Id: I883bb512a2164a85865b1bd4fb569af0358c8c2b

Co-authored-by: Craig Rodrigues <rodrigc@crodrigues.org>

roles/container-engine/docker/tasks/main.yml

@@ -27,9 +27,6 @@
   tags:
     - facts
 
-# https://yum.dockerproject.org/repo/main/opensuse/ contains packages for an EOL
-# openSUSE version so we can't use it. The only alternative is to use the docker
-# packages from the distribution repositories.
 - name: Warn about Docker version on SUSE
   debug:
     msg: "SUSE distributions always install Docker from the distro repos"
@@ -105,9 +102,14 @@
   when: ansible_distribution == "Fedora" and not is_atomic
 
 - name: Configure docker repository on RedHat/CentOS/Oracle Linux
-  template:
-    src: "rh_docker.repo.j2"
-    dest: "{{ yum_repo_dir }}/docker.repo"
+  yum_repository:
+    name: docker-ce
+    baseurl: "{{ dockerproject_rh_repo_base_url }}"
+    description: "Docker CE Stable - $basearch"
+    gpgcheck: yes
+    gpgkey: "{{ dockerproject_rh_repo_gpgkey }}"
+    keepcache: "{{ docker_rpm_keepcache | default('1') }}"
+    proxy: " {{ http_proxy | default('_none_') }}"
   when: ansible_distribution in ["CentOS","RedHat","OracleLinux"] and not is_atomic
 
 - name: check if container-selinux is available