system/tasks/ssh.yml

- name: copy  ssh config for user
  become: true
  template:
    dest: "/home/{{item}}/.ssh"
    src: "ssh/config"
    force: true
    remote_src: false
    mode: "600"
    selevel: s0
    owner: "{{ item }}"
  with_items:
    - "{{ user.name }}"
- name: ensure root ssh directory exist
  become: true
  file:
    state: directory
    path: "/root/.ssh"
    owner: "root"
    mode: 0700

- name: copy  ssh config for root
  become: true
  copy:
    dest: /root/.ssh/
    src: "ssh/config"
    force: true
    remote_src: false
    mode: "600"
    selevel: s0
    owner: "root"

- name: ensure key directory exist
  become: true
  file:
    state: directory
    path: "{{ item.keyfile | dirname }}"
    owner: "{{ item.user }}"
    mode: 0700
  with_items: "{{ privatekeytodeploy }}"

- name: Install ssh private key
  become: true
  copy:
    content: "{{ item.privatekey }}"
    dest: "{{ item.keyfile }}"
    mode: 0600
    owner: "{{ item.user }}"
  with_items: "{{ privatekeytodeploy }}"

- name: Deploy SSH-Keys to remote host
  authorized_key:
    user: "{{ item.user }}"
    key: "{{ item.sshkey }}"
    exclusive: false
  with_items: "{{ keystodeploy }}"
  become: true

- name: les connexions par mot de passe sont désactivées
  become: true
  lineinfile:
    dest: /etc/ssh/sshd_config
    regexp: "^#?PasswordAuthentication"
    line: "PasswordAuthentication no"
    state: present
  notify: Restart sshd

- name: Remove root SSH access
  become: true
  lineinfile:
    dest: /etc/ssh/sshd_config
    regexp: "^PermitRootLogin"
    line: "PermitRootLogin no"
    state: present
  notify: Restart sshd