feat: initial installation role for docker

tasks/debian.yml

@@ -0,0 +1,55 @@
+---
+- name: Install Docker prerequisites
+  ansible.builtin.apt:
+    name:
+      - ca-certificates
+      - curl
+    state: present
+    update_cache: true
+  become: true
+
+- name: Create Docker keyring directory
+  ansible.builtin.file:
+    path: /etc/apt/keyrings
+    state: directory
+    mode: '0755'
+  become: true
+
+- name: Download Docker GPG key
+  ansible.builtin.shell:
+    cmd: >
+      curl -fsSL https://download.docker.com/linux/{{ ansible_distribution | lower }}/gpg
+      | gpg --dearmor -o /etc/apt/keyrings/docker.gpg
+    creates: /etc/apt/keyrings/docker.gpg
+  become: true
+
+- name: Set Docker GPG key permissions
+  ansible.builtin.file:
+    path: /etc/apt/keyrings/docker.gpg
+    mode: '0644'
+  become: true
+
+- name: Add Docker apt repository
+  ansible.builtin.copy:
+    content: >
+      deb [arch={{ ansible_architecture | replace('x86_64', 'amd64') | replace('aarch64', 'arm64') }}
+      signed-by=/etc/apt/keyrings/docker.gpg]
+      https://download.docker.com/linux/{{ ansible_distribution | lower }}
+      {{ ansible_distribution_release }} stable
+    dest: /etc/apt/sources.list.d/docker.list
+    mode: '0644'
+  become: true
+
+- name: Install Docker packages
+  ansible.builtin.apt:
+    name: "{{ docker_packages }}"
+    state: present
+    update_cache: true
+  become: true
+
+- name: Enable and start Docker service
+  ansible.builtin.systemd:
+    name: docker
+    enabled: "{{ docker_service_enabled }}"
+    state: "{{ docker_service_state }}"
+  become: true

tasks/main.yml

@@ -0,0 +1,9 @@
+---
+- name: Assert supported OS family
+  ansible.builtin.assert:
+    that:
+      - ansible_os_family in ['Debian', 'RedHat']
+    fail_msg: "Unsupported OS family: {{ ansible_os_family }}"
+
+- name: Include OS-specific installation tasks
+  ansible.builtin.include_tasks: "{{ ansible_os_family | lower }}.yml"

tasks/redhat.yml

@@ -0,0 +1,27 @@
+---
+- name: Install Docker prerequisites
+  ansible.builtin.dnf:
+    name:
+      - dnf-plugins-core
+    state: present
+  become: true
+
+- name: Add Docker yum repository
+  ansible.builtin.get_url:
+    url: https://download.docker.com/linux/centos/docker-ce.repo
+    dest: /etc/yum.repos.d/docker-ce.repo
+    mode: '0644'
+  become: true
+
+- name: Install Docker packages
+  ansible.builtin.dnf:
+    name: "{{ docker_packages }}"
+    state: present
+  become: true
+
+- name: Enable and start Docker service
+  ansible.builtin.systemd:
+    name: docker
+    enabled: "{{ docker_service_enabled }}"
+    state: "{{ docker_service_state }}"
+  become: true