init

tasks/main.yml

@@ -0,0 +1,34 @@
+---
+# tasks file for docker
+- include_tasks: setup-Debian.yml
+  when: ansible_distribution == 'Debian'
+
+- name: ensures etc docker dir exists.
+  become: true
+  file: 
+    path: "/etc/docker"
+    state: directory
+
+- name: template docker related configs.
+  become: true
+  template:
+    src: "templates{{ tmpl }}.j2"
+    dest: "{{ tmpl }}"
+    owner: root
+    group: root
+    mode: 0644
+  loop:
+    - /etc/docker/daemon.json
+#    - /etc/rsyslog.d/00-docker-runtime.conf
+#  notify:
+#    - restart rsyslog.service
+#    - restart docker.service
+  loop_control:
+    loop_var: tmpl
+
+- name: Install Docker packages.
+  become: true
+  package:
+    name: "{{ docker_packages }}"
+    state: "{{ docker_packages_state }}"
+  notify: restart docker.service

tasks/setup-Debian.yml

@@ -0,0 +1,62 @@
+---
+- name: Ensure old versions of Docker are not installed.
+  become: true
+  package:
+    name:
+      - docker
+      - docker-engine
+    state: absent
+
+- name: Ensure dependencies are installed.
+  become: true
+  apt:
+    name:
+      - apt-transport-https
+      - ca-certificates
+    state: present
+  when: docker_add_repo | bool
+
+- name: Ensure additional dependencies are installed (on Ubuntu < 20.04 and any other systems).
+  become: true
+  apt:
+    name: gnupg2
+    state: present
+  when: ansible_distribution != 'Ubuntu' or ansible_distribution_version is version('20.04', '<')
+
+- name: Ensure additional dependencies are installed (on Ubuntu >= 20.04).
+  become: true
+  apt:
+    name: gnupg
+    state: present
+  when: ansible_distribution == 'Ubuntu' and ansible_distribution_version is version('20.04', '>=')
+
+- name: Add Docker apt key.
+  become: true
+  ansible.builtin.get_url:
+    url: "{{ docker_apt_gpg_key }}"
+    dest: /etc/apt/trusted.gpg.d/docker.asc
+    mode: '0644'
+    force: false
+    checksum: "{{ docker_apt_gpg_key_checksum | default(omit) }}"
+  register: add_repository_key
+  ignore_errors: "{{ docker_apt_ignore_key_error }}"
+  when: docker_add_repo | bool
+
+- name: Ensure curl is present (on older systems without SNI).
+  become: true
+  package: name=curl state=present
+  when: add_repository_key is failed and docker_add_repo | bool
+
+- name: Add Docker apt key (alternative for older systems without SNI).
+  become: true
+  shell: >
+    curl -sSL {{ docker_apt_gpg_key }} | apt-key add -
+  when: add_repository_key is failed and docker_add_repo | bool
+
+- name: Add Docker repository.
+  become: true
+  apt_repository:
+    repo: "{{ docker_apt_repository }}"
+    state: present
+    update_cache: true
+  when: docker_add_repo | bool