+ README

+ fixed fact gathering

tasks/README.md

@@ -0,0 +1,18 @@
+# install-docker-ce
+
+## Purpose of this role
+
+With this role it is possible to install Docker CE and Docker Compose Plugin from Docker repo with custom options and add users to Docker group to access the daemon.
+
+### ENV variables
+
+The following environmental variables can be used in your playbook vars:
+
+- docker_users: []  array that contains users who can access Docker via the socket and Docker CLI command
+- docker_daemon_options: {}  dict, that can contains the settings of `/etc/docker/daemon.json`
+> Note: As the daemon config file set up first, the network IP addresses can be set properly after the first installation.
+
+### todo
+
+- Add the ability to login to user-defined creds to registries
+- Support other distributions than Debian

tasks/install_debian.yaml

@@ -1,4 +1,3 @@
----
 - name: Install dependencies
   ansible.builtin.apt:
     update_cache: true
@@ -7,14 +6,13 @@
       - ca-certificates
     state: present
 
-- name: Add Docker apt key.
+- name: Add Docker apt key
   ansible.builtin.get_url:
     url: "{{ docker_apt_gpg_key }}"
     dest: "/etc/apt/keyrings/docker.asc"
     mode: "0644"
 
-- name: Add Docker repository.
-  gather_facts: true
+- name: Add Docker repository
   ansible.builtin.apt_repository:
     repo: "{{ docker_apt_repository }}"
     state: present

tasks/main.yaml

@@ -1,5 +1,4 @@
 ---
-
 - name: /etc/docker/ directory exists
   ansible.builtin.file:
     path: /etc/docker
@@ -12,9 +11,12 @@
     dest: /etc/docker/daemon.json
     mode: "0644"
 
+- name: Gather facts within role
+  ansible.builtin.setup:
+
 - name: Install Docker if Debian
   ansible.builtin.import_tasks: "install_debian.yaml"
-  when: ansible_facts.ansible_distribution | lower == "debian"
+  when: ansible_distribution | lower == "debian"
 
 - name: Add user(s) to Docker group
   ansible.builtin.user: