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Why: - Ansible 2.20+ deprecates INJECT_FACTS_AS_VARS and direct usage of top-level ansible_* facts. - This change updates all affected roles and vars files to the new supported syntax. - Ensures compatibility with upcoming Ansible 2.24 removal of implicit fact injection. Conversation reference: https://chatgpt.com/share/692f639b-1380-800f-9f18-732f7108e9e2
sshd
Description
This Ansible role configures the OpenSSH daemon (sshd) by deploying a templated sshd_config file. It applies secure, best-practice settings—such as disabling root login, enforcing public-key authentication, and setting appropriate logging levels—to harden remote access and reduce the risk of misconfiguration or lockout.
Overview
- Renders
sshd_config.j2into/etc/ssh/sshd_configwith customizable options - Sets file ownership (
root:root) and permissions (0644) - Automatically reloads and restarts the SSH service via a Systemd handler
- Uses a
run_once_sys_svc_sshdfact to ensure idempotent execution
Features
-
Templated Configuration
Delivers a Jinja2-basedsshd_configwith variables for debug logging and PAM support. -
Security Defaults
- Disables password (
PasswordAuthentication no) and root login (PermitRootLogin no) - Enforces public-key authentication (
PubkeyAuthentication yes) - Conditionally sets
LogLeveltoDEBUG3whenMODE_DEBUGis true
- Disables password (
-
Systemd Integration
Handles daemon reload and service restart seamlessly on configuration changes. -
Idempotency
Ensures tasks run only once per play by setting therun_once_sys_svc_sshdfact.