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.
+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`.
-Currently only supports Debian-based systems.
+- A ready-to-use playbook configured by passing CLI vars `--extra-vars "ansible_host=${HOST_IP}` e.g. through CI / CD.

galaxy.yml

@@ -3,9 +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:
+license: MIT
-  - 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
@@ -35,3 +37,5 @@
 #       APT::Periodic::Unattended-Upgrade "1";
 #     mode: "0644"
 #   when: ansible_facts['os_family'] == "Debian"
+
+## SCHEDULE REBOOTS 4 kernel upgrades: with cron, unattended-upgrades or action workflows?

roles/docker/tasks/main.yml

@@ -1,75 +1,35 @@
 ---
-- name: Install Docker
+- name: Install necessary Docker packages
+  ansible.builtin.apt:
+    name:
+      - docker.io
+      - docker-compose
+    state: present
+  when: ansible_facts['os_family'] == "Debian" ## Debian / Ubuntu
   become: true
-  block:
-    - name: Install Docker prerequisites
-      ansible.builtin.apt:
-        name:
-          - ca-certificates
-          - curl
-          - python3-debian ## needed for the deb822 module
-        state: present
-        update_cache: true
 
-    - name: Add Docker official APT repository (DEB822 format)
+- name: Ensure Docker service is running
-      ansible.builtin.deb822_repository:
+  ansible.builtin.service:
-        name: docker
+    name: docker
-        types: deb
+    state: started
-        uris: "https://download.docker.com/linux/{{ ansible_facts['distribution'] | lower }}"
+    enabled: true
-        suites: "{{ ansible_facts['distribution_release'] }}"
-        components: stable
-        signed_by: "https://download.docker.com/linux/{{ ansible_facts['distribution'] | lower }}/gpg"
-        state: present
 
-    - name: Install Docker CE packages
+- name: Create docker user for container execution
-      ansible.builtin.apt:
+  ansible.builtin.user:
-        name:
+    name: docker
-          - docker-ce
+    state: present
-          - docker-ce-cli
+    system: true
-          - containerd.io
+    shell: /usr/sbin/nologin
-          - docker-buildx-plugin
+    groups: docker
-          - docker-compose-plugin
+    append: true
-        state: present
+    create_home: false
-        update_cache: true
-
-    - name: Ensure Docker service is running and enabled
-      ansible.builtin.service:
-        name: docker
-        state: started
-        enabled: true
-
-- name: Configure deployment user for Docker
   become: true
-  block:
-    - name: Add user to docker group
-      ansible.builtin.user:
-        name: deployment
-        groups: docker
-        append: true
 
-    - name: Create target for docker compose
+- name: Create target for docker compose
-      ansible.builtin.file:
+  ansible.builtin.file:
-        path: /opt/docker
+    path: /opt/docker
-        state: directory
+    state: directory
-        owner: deployment
+    owner: deployment
-        group: deployment
+    group: deployment
-        mode: "0755"
+    mode: "0755"
-
-- name: Create app user for secure container execution
   become: true
-  block:
-    - name: Create appuser group
-      ansible.builtin.group:
-        name: appuser
-        state: present
-        gid: 9999
-
-    - name: Create user
-      ansible.builtin.user:
-        name: appuser
-        state: present
-        uid: 9999
-        group: appuser
-        system: true
-        shell: /usr/sbin/nologin
-        create_home: false

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

@@ -1,35 +1,35 @@
 ---
-- name: Harden SSH configuration
+- 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
-  block:
-    - name: Create SSH drop-in directory
-      ansible.builtin.file:
-        path: /etc/ssh/sshd_config.d
-        state: directory
-        owner: root
-        group: root
-        mode: "0755"
 
-    - name: Harden SSH configuration with drop-in template
+- name: Harden SSH configuration with drop-in template
-      ansible.builtin.template:
+  ansible.builtin.template:
-        src: sshd.conf.j2
+    src: sshd.conf.j2
-        dest: /etc/ssh/sshd_config.d/sshd.conf
+    dest: /etc/ssh/sshd_config.d/sshd.conf
-        owner: root
+    owner: root
-        group: root
+    group: root
-        mode: "0644"
+    mode: "0644"
-      notify: Restart sshd
+    validate: "sshd -t -f %s"
-
+  notify: Restart sshd
-- name: Enable fail2ban
   become: true
-  block:
-    - name: Install fail2ban
-      ansible.builtin.apt:
-        name:
-          - fail2ban
-        state: present
 
-    - name: Start fail2ban
+- name: Install fail2ban
-      ansible.builtin.service:
+  ansible.builtin.apt:
-        name: fail2ban
+    name:
-        state: started
+      - fail2ban
-        enabled: yes
+    state: present
+  when: ansible_facts['os_family'] == "Debian"
+  become: true
+
+- name: Start fail2ban
+  ansible.builtin.service:
+    name: fail2ban
+    state: started
+    enabled: yes
+  when: ansible_facts['os_family'] == "Debian"

roles/users/defaults/main.yml

@@ -1,3 +0,0 @@
----
-users_setup_sysadmin: true
-users_setup_deployment: false   # opt-in: enable explicitly to use

roles/users/tasks/deployment.yml

@@ -1,14 +0,0 @@
----
-- name: Create deployment user for CI/CD
-  ansible.builtin.user:
-    name: deployment
-    shell: /bin/bash
-    create_home: yes
-  become: true
-
-- name: Add SSH public key for deployment user
-  ansible.posix.authorized_key:
-    user: deployment
-    state: present
-    key: "{{ deployment_public_ssh_key }}"
-  become: true

roles/users/tasks/main.yml

@@ -1,14 +1,38 @@
 ---
-- name: Configure sysadmin user
+# - name: Create primary admin user
-  ansible.builtin.import_tasks: sysadmin.yml
+#   ansible.builtin.user:
-  when: users_setup_sysadmin | bool
+#     name: sysadmin
+#     groups: sudo
+#     append: yes
+#     shell: /bin/bash
+#     create_home: yes
+#   become: true
 
-- name: Configure deployment user
+# - name: Add SSH public key for sysadmin
-  ansible.builtin.import_tasks: deployment.yml
+#   ansible.posix.authorized_key:
-  when: users_setup_deployment | bool
+#     user: sysadmin
+#     state: present
+#     key: "{{ sysadmin_public_ssh_key }}"
+#   become: true
 
-# opt in to feature flags / tasks with:
+# - name: Allow passwordless sudo to sysadmin user
-# roles:
+#   ansible.builtin.copy:
-#   - role: studio.ansible.users
+#     dest: /etc/sudoers.d/sysadmin
-#     vars:
+#     content: "sysadmin ALL=(ALL) NOPASSWD: ALL"
-#       users_setup_deployment: true
+#     mode: "0440"
+#     validate: /usr/sbin/visudo -cf %s
+#   become: true
+
+- name: Create deployment user for CI/CD
+  ansible.builtin.user:
+    name: deployment
+    shell: /bin/bash
+    create_home: yes
+  become: true
+
+- name: Add SSH public key for deployment user
+  ansible.posix.authorized_key:
+    user: deployment
+    state: present
+    key: "{{ deployment_public_ssh_key }}"
+  become: true

roles/users/tasks/sysadmin.yml

@@ -1,24 +0,0 @@
----
-- name: Create primary sysadmin user
-  ansible.builtin.user:
-    name: "{{ sysadmin_user }}"
-    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: 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