Files
ansible/initial_setup.yml
T
2026-05-23 12:18:57 +00:00

127 lines
4.0 KiB
YAML

---
- name: Baseline user setup
hosts: all
become: true
vars:
users:
- name: automation
shell: /bin/bash
groups: []
sudo_nopasswd: true
ssh_keys:
- "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEx+ltCKNIEM7F4PzGLv22cIu7N0Fpn5gxwV02xq0GS9 automation@internet-master.cz"
- name: hellsoslocal
shell: /bin/bash
groups: []
sudo_nopasswd: true
ssh_keys:
- "ssh-rsa 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 hellsos@hellsos-PC"
- "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKhfQt1VNQo8EbIog4yjU5VEF3mTyMEC7o1Qe95X4JwG jan@rabcan.cz"
- name: jimlocal
shell: /bin/bash
groups: []
sudo_nopasswd: true
ssh_keys:
- "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIPFS4fsqMjMMu/Bi/884bw7yJBqvWusDRESvanH6Owco jakub@jimbuntu"
tasks:
- name: Pick sudo group per distro
set_fact:
sudo_group: >-
{{ 'wheel'
if ansible_facts.os_family in
['RedHat','Rocky','AlmaLinux','Fedora','OracleLinux','Suse']
else 'sudo' }}
- name: Ensure user exists
ansible.builtin.user:
name: "{{ item.name }}"
shell: "{{ item.shell }}"
groups: "{{ sudo_group }}"
append: true
create_home: true
loop: "{{ users }}"
- name: Enforce authorized SSH keys
ansible.builtin.authorized_key:
user: "{{ item.name }}"
key: "{{ item.ssh_keys | join('\n') }}"
exclusive: true
loop: "{{ users }}"
- name: Grant passwordless sudo
ansible.builtin.copy:
dest: "/etc/sudoers.d/{{ item.name }}"
mode: '0440'
content: "{{ item.name }} ALL=(ALL) NOPASSWD:ALL\n"
validate: 'visudo -cf %s'
loop: "{{ users }}"
when: item.sudo_nopasswd
# ==============================
# SECOND PLAY: SSH HARDENING
# ==============================
- name: SSH Hardening
hosts: all
become: true
tags: never,hardening
tasks:
- name: Detect if system is Proxmox
ansible.builtin.stat:
path: /usr/bin/pveversion
register: proxmox_check
- name: Ensure sshd_config.d directory exists
ansible.builtin.file:
path: /etc/ssh/sshd_config.d
state: directory
- name: Deploy SSH hardening config
ansible.builtin.copy:
dest: /etc/ssh/sshd_config.d/99-ansible-hardening.conf
mode: '0644'
content: |
PasswordAuthentication no
ChallengeResponseAuthentication no
PubkeyAuthentication yes
AuthenticationMethods publickey
UsePAM yes
{% if not proxmox_check.stat.exists %}
PermitRootLogin no
{% else %}
PermitRootLogin prohibit-password
{% endif %}
validate: 'sshd -t -f %s'
notify: Restart SSH
handlers:
- name: Restart SSH
ansible.builtin.service:
name: "{{ 'sshd'
if ansible_facts.os_family in
['RedHat','Rocky','AlmaLinux','Fedora','OracleLinux','Suse']
else 'ssh' }}"
state: restarted
# ==============================
# THIRD PLAY: HOSTNAME
# ==============================
- name: Set hostname from inventory
hosts: all
become: true
tags: never,hostname
tasks:
- name: Set system hostname to inventory_hostname
ansible.builtin.hostname:
name: "{{ inventory_hostname }}"