feat: add standalone playbook

README.md

@@ -1,5 +1,5 @@
 # Ansible Collection
 
-Opinionated set of roles to configure reasonable defaults for newly provisioned virtual machines. The repository provides a ready-to-use Ansible Collection (`studio.ansible`) containing reusable roles.
-
-Currently only supports Debian-based systems.
+Opinionated set of roles to configure reasonable defaults for newly provisioned Debian / Ubuntu VMs running Docker. The repository provides:
+- An Ansible Collection (`studio.ansible`) containing reusable roles. Use with ansible-galaxy's `requirements.yml`.
+- A ready-to-use playbook configured by passing CLI vars `--extra-vars "ansible_host=${HOST_IP}` e.g. through CI / CD.

galaxy.yml

@@ -3,12 +3,8 @@
 namespace: studio
 name: ansible
 readme: README.md
-version: 0.0.1
+version: 1.0.0
 authors:
   - Studio Vitali
 description: Studio Ansible collection containing common roles
-license:
-  - MIT
-
-dependencies:
-  "devsec.hardening": ">=9.0.0"
+license: MIT

inventory/hosts.ini

@@ -0,0 +1,5 @@
+[target]
+target_host ansible_host="{{ ansible_host }}"
+
+[all:vars]
+ansible_user="{{ ansible_user }}"

meta/runtime.yml

@@ -1,2 +0,0 @@
----
-requires_ansible: ">=2.15.0"

playbooks/setup.yml

@@ -0,0 +1,11 @@
+---
+- name: Setup machines
+  hosts: all
+  become: true
+
+  roles:
+    - base
+    - users
+    - security
+    - docker
+    # - backup

roles/base/tasks/main.yml

@@ -10,6 +10,7 @@
     update_cache: true
     upgrade: dist
     cache_valid_time: 3600
+  when: ansible_facts['os_family'] == "Debian" ## only on Debian / Ubuntu systems
   become: true
 
 - name: Install essential system utilities
@@ -25,6 +26,7 @@
       - unattended-upgrades
     state: present
     update_cache: true
+  when: ansible_facts['os_family'] == "Debian"
   become: true
 #
 # - name: Enable unattended-upgrades

roles/docker/tasks/main.yml

@@ -1,52 +1,31 @@
 ---
-- name: Install Docker prerequisites
+- name: Install necessary Docker packages
   ansible.builtin.apt:
     name:
-      - ca-certificates
-      - curl
-      - python3-debian ## needed for the deb822 module
+      - docker.io
+      - docker-compose
     state: present
-    update_cache: true
+  when: ansible_facts['os_family'] == "Debian" ## Debian / Ubuntu
   become: true
 
-- name: Add Docker official APT repository (DEB822 format)
-  ansible.builtin.deb822_repository:
-    name: docker
-    types: deb
-    uris: "https://download.docker.com/linux/{{ ansible_facts['distribution'] | lower }}"
-    suites: "{{ ansible_facts['distribution_release'] }}"
-    components: stable
-    signed_by: "https://download.docker.com/linux/{{ ansible_facts['distribution'] | lower }}/gpg"
-    state: present
-  become: true
-
-- name: Install Docker CE packages
-  ansible.builtin.apt:
-    name:
-      - docker-ce
-      - docker-ce-cli
-      - containerd.io
-      - docker-buildx-plugin
-      - docker-compose-plugin
-    state: present
-    update_cache: true
-  become: true
-
-- name: Ensure Docker service is running and enabled
+- name: Ensure Docker service is running
   ansible.builtin.service:
     name: docker
     state: started
     enabled: true
-  become: true
 
-- name: Add deployment user to docker group
+- name: Create docker user for container execution
   ansible.builtin.user:
-    name: deployment
+    name: docker
+    state: present
+    system: true
+    shell: /usr/sbin/nologin
     groups: docker
     append: true
+    create_home: false
   become: true
 
-- name: Create target for docker compose files
+- name: Create target for docker compose
   ansible.builtin.file:
     path: /opt/docker
     state: directory
@@ -54,21 +33,3 @@
     group: deployment
     mode: "0755"
   become: true
-
-- name: Create appuser group
-  ansible.builtin.group:
-    name: appuser
-    state: present
-    gid: 9999
-  become: true
-
-- name: Create app user for secure container execution
-  ansible.builtin.user:
-    name: appuser
-    state: present
-    uid: 9999
-    group: appuser
-    system: true
-    shell: /usr/sbin/nologin
-    create_home: false
-  become: true

roles/security/handlers/main.yml

@@ -1,5 +1,5 @@
 ---
 - name: Restart sshd
   ansible.builtin.service:
-    name: ssh
+    name: sshd
     state: restarted

roles/security/tasks/main.yml

@@ -1,16 +1,30 @@
 ---
-- name: Harden SSH configuration
-  ansible.builtin.import_role:
-    name: devsec.hardening.ssh_hardening
-  vars:
-    ssh_permit_root_login: "no"
-    ssh_password_authentication: "no"
+- name: Create SSH drop-in directory
+  ansible.builtin.file:
+    path: /etc/ssh/sshd_config.d
+    state: directory
+    owner: root
+    group: root
+    mode: "0755"
+  become: true
+
+- name: Harden SSH configuration with drop-in template
+  ansible.builtin.template:
+    src: sshd.conf.j2
+    dest: /etc/ssh/sshd_config.d/sshd.conf
+    owner: root
+    group: root
+    mode: "0644"
+    validate: "sshd -t -f %s"
+  notify: Restart sshd
+  become: true
 
 - name: Install fail2ban
   ansible.builtin.apt:
     name:
       - fail2ban
     state: present
+  when: ansible_facts['os_family'] == "Debian"
   become: true
 
 - name: Start fail2ban
@@ -18,3 +32,4 @@
     name: fail2ban
     state: started
     enabled: yes
+  when: ansible_facts['os_family'] == "Debian"

roles/security/templates/sshd.conf.j2

@@ -0,0 +1,5 @@
+## Disable root login
+PermitRootLogin no
+
+## Disable password authentication
+PasswordAuthentication no

roles/users/tasks/main.yml

@@ -1,27 +1,27 @@
 ---
-- name: Create primary sysadmin user
-  ansible.builtin.user:
-    name: "{{ sysadmin_user }}"
-    groups: sudo
-    append: yes
-    shell: /bin/bash
-    create_home: yes
-  become: true
+# - name: Create primary admin user
+#   ansible.builtin.user:
+#     name: sysadmin
+#     groups: sudo
+#     append: yes
+#     shell: /bin/bash
+#     create_home: yes
+#   become: true
 
-- name: Add SSH public key for sysadmin
-  ansible.posix.authorized_key:
-    user: "{{ sysadmin_user }}"
-    state: present
-    key: "{{ sysadmin_public_ssh_key }}"
-  become: true
+# - name: Add SSH public key for sysadmin
+#   ansible.posix.authorized_key:
+#     user: sysadmin
+#     state: present
+#     key: "{{ sysadmin_public_ssh_key }}"
+#   become: true
 
-- name: Allow passwordless sudo for sudo group
-  ansible.builtin.copy:
-    dest: /etc/sudoers.d/sudo-nopasswd
-    content: "%sudo ALL=(ALL) NOPASSWD: ALL"
-    mode: "0440"
-    validate: /usr/sbin/visudo -cf %s
-  become: true
+# - name: Allow passwordless sudo to sysadmin user
+#   ansible.builtin.copy:
+#     dest: /etc/sudoers.d/sysadmin
+#     content: "sysadmin ALL=(ALL) NOPASSWD: ALL"
+#     mode: "0440"
+#     validate: /usr/sbin/visudo -cf %s
+#   become: true
 
 - name: Create deployment user for CI/CD
   ansible.builtin.user: