Complete rewrite of docker installer

playbooks/install-standard-docker.yml

@@ -1,70 +1,22 @@
 ---
-- name: Standardize Docker installation and ACL across hosts
+- name: Install Docker and standardize ACL on /opt/docker
   hosts: all
   become: true
   gather_facts: true
 
   vars:
-    docker_repo_file: /etc/apt/sources.list.d/docker.list
-    docker_key_path: /etc/apt/keyrings/docker.gpg
     docker_acl_path: /opt/docker
 
   tasks:
-    - name: Check if Docker is already installed
-      command: docker --version
-      register: docker_installed
+    - name: Check if Docker is already installed (by package)
+      command: dpkg -s docker-ce
+      register: docker_check
       ignore_errors: true
       changed_when: false
 
-    - name: Remove legacy docker APT source if missing signed-by
-      file:
-        path: "{{ docker_repo_file }}"
-        state: absent
-      when: docker_installed.rc != 0 or
-        "signed-by=" not in (lookup("file", docker_repo_file, errors="ignore") or "")
-
-    - name: Ensure keyring directory exists
-      file:
-        path: /etc/apt/keyrings
-        state: directory
-        mode: "0755"
-
-    - name: Download Docker GPG key and convert to binary keyring
-      shell: |
-        curl -fsSL https://download.docker.com/linux/ubuntu/gpg | gpg --dearmor -o {{ docker_key_path }}
-      args:
-        creates: "{{ docker_key_path }}"
-
-    - name: Stat Docker GPG key file
-      stat:
-        path: "{{ docker_key_path }}"
-      register: docker_key_stat
-
-    - name: Fail early if key file is missing or unreadable
-      fail:
-        msg: "Docker GPG key is missing or unreadable"
-      when: not docker_key_stat.stat.exists or docker_key_stat.stat.size == 0
-
-    - name: Add Docker APT repository (signed-by style)
-      apt_repository:
-        repo: "deb [arch=amd64 signed-by={{ docker_key_path }}] https://download.docker.com/linux/ubuntu {{ ansible_lsb.codename }} stable"
-        filename: docker
-        state: present
-        update_cache: false
-
-    - name: Update apt cache
-      apt:
-        update_cache: true
-
-    - name: Install Docker engine and compose plugin (if missing)
-      apt:
-        name:
-          - docker-ce
-          - docker-ce-cli
-          - containerd.io
-          - docker-buildx-plugin
-          - docker-compose-plugin
-        state: present
+    - name: Install Docker via official script if not present
+      shell: curl -fsSL https://get.docker.com | sh
+      when: docker_check.rc != 0
 
     - name: Ensure docker group exists
       group:
@@ -85,7 +37,7 @@
         group: docker
         mode: "0775"
 
-    - name: Check for existing default ACL on folder
+    - name: Check for existing default ACL on Docker folder
       command: getfacl --access --default {{ docker_acl_path }}
       register: facl_check
       changed_when: false