feat: replace SSH hardening step with devsec.hardening role

galaxy.yml

@@ -9,3 +9,6 @@ authors:
 description: Studio Ansible collection containing common roles
 license:
   - MIT
+
+dependencies:
+  "devsec.hardening": ">=9.0.0"

roles/base/tasks/main.yml

@@ -35,3 +35,5 @@
 #       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

@@ -1,8 +1,5 @@
 ---
-- name: Install Docker
-  become: true
-  block:
-    - name: Install Docker prerequisites
+- name: Install Docker prerequisites
   ansible.builtin.apt:
     name:
       - ca-certificates
@@ -10,8 +7,9 @@
       - python3-debian ## needed for the deb822 module
     state: present
     update_cache: true
+  become: true
 
-    - name: Add Docker official APT repository (DEB822 format)
+- name: Add Docker official APT repository (DEB822 format)
   ansible.builtin.deb822_repository:
     name: docker
     types: deb
@@ -20,8 +18,9 @@
     components: stable
     signed_by: "https://download.docker.com/linux/{{ ansible_facts['distribution'] | lower }}/gpg"
     state: present
+  become: true
 
-    - name: Install Docker CE packages
+- name: Install Docker CE packages
   ansible.builtin.apt:
     name:
       - docker-ce
@@ -31,40 +30,39 @@
       - docker-compose-plugin
     state: present
     update_cache: true
+  become: true
 
-    - name: Ensure Docker service is running and enabled
+- 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
+
+- name: Add deployment user to docker group
   ansible.builtin.user:
     name: deployment
     groups: docker
     append: true
+  become: true
 
-    - name: Create target for docker compose
+- name: Create target for docker compose files
   ansible.builtin.file:
     path: /opt/docker
     state: directory
     owner: deployment
     group: deployment
     mode: "0755"
-
-- name: Create app user for secure container execution
   become: true
-  block:
-    - name: Create appuser group
+
+- name: Create appuser group
   ansible.builtin.group:
     name: appuser
     state: present
     gid: 9999
+  become: true
 
-    - name: Create user
+- name: Create app user for secure container execution
   ansible.builtin.user:
     name: appuser
     state: present
@@ -73,3 +71,4 @@
     system: true
     shell: /usr/sbin/nologin
     create_home: false
+  become: true

roles/security/tasks/main.yml

@@ -1,34 +1,19 @@
 ---
 - name: Harden SSH configuration
-  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"
+  ansible.builtin.import_role:
+    name: devsec.hardening.ssh_hardening
+  vars:
+    ssh_permit_root_login: "no"
+    ssh_password_authentication: "no"
 
-    - 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"
-      notify: Restart sshd
-
-- name: Enable fail2ban
-  become: true
-  block:
-    - name: Install fail2ban
+- name: Install fail2ban
   ansible.builtin.apt:
     name:
       - fail2ban
     state: present
+  become: true
 
-    - name: Start fail2ban
+- name: Start fail2ban
   ansible.builtin.service:
     name: fail2ban
     state: started

roles/security/templates/sshd.conf.j2

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

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
-  ansible.builtin.import_tasks: sysadmin.yml
-  when: users_setup_sysadmin | bool
+- name: Create primary sysadmin user
+  ansible.builtin.user:
+    name: "{{ sysadmin_user }}"
+    groups: sudo
+    append: yes
+    shell: /bin/bash
+    create_home: yes
+  become: true
 
-- name: Configure deployment user
-  ansible.builtin.import_tasks: deployment.yml
-  when: users_setup_deployment | bool
+- name: Add SSH public key for sysadmin
+  ansible.posix.authorized_key:
+    user: "{{ sysadmin_user }}"
+    state: present
+    key: "{{ sysadmin_public_ssh_key }}"
+  become: true
 
-# opt in to feature flags / tasks with:
-# roles:
-#   - role: studio.ansible.users
-#     vars:
-#       users_setup_deployment: 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: 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