fix merge conflicts

tasks/docker-1809-shim.yml

@@ -1,16 +0,0 @@
----
-- name: Ensure containerd service dir exists.
-  file:
-    path: /etc/systemd/system/containerd.service.d
-    state: directory
-
-- name: Add shim to ensure Docker can start in all environments.
-  template:
-    src: override.conf.j2
-    dest: /etc/systemd/system/containerd.service.d/override.conf
-  register: override_template
-
-- name: Reload systemd daemon if template is changed.
-  systemd:
-    daemon_reload: true
-  when: override_template is changed

tasks/main.yml

@@ -11,10 +11,6 @@
     state: "{{ docker_package_state }}"
   notify: restart docker
 
-# TODO: Remove this shim once 18.09.1 or later is released.
-- import_tasks: docker-1809-shim.yml
-  when: ansible_service_mgr == 'systemd'
-
 - name: Ensure Docker is started and enabled at boot.
   service:
     name: docker

tasks/setup-Debian.yml

@@ -11,6 +11,7 @@
     name:
       - apt-transport-https
       - ca-certificates
+      - gnupg2
     state: present
 
 - name: Add Docker apt key.
@@ -26,8 +27,7 @@
   when: add_repository_key is failed
 
 - name: Add Docker apt key (alternative for older systems without SNI).
-  shell: |
-    set -o pipefail
+  shell: >
     curl -sSL {{ docker_apt_gpg_key }}  | sudo apt-key add -
   args:
     warn: false

tasks/setup-RedHat.yml

@@ -33,3 +33,9 @@
     section: 'docker-{{ docker_edition }}-test'
     option: enabled
     value: '{{ docker_yum_repo_enable_test }}'
+
+- name: Install containerd separately (CentOS 8).
+  package:
+    name: https://download.docker.com/linux/centos/7/x86_64/stable/Packages/containerd.io-1.2.6-3.3.el7.x86_64.rpm
+    state: present
+  when: ansible_distribution_major_version | int == 8