Refactor Ansible playbooks to comply with best practices and fix linting violations
ci / validate (push) Failing after 2m0s
ci / validate (push) Failing after 2m0s
- Implement 4-role architecture (base_provision, patching, hardening, decommission) - Extract hardcoded values to role defaults and group_vars - Add Ansible Vault integration for secrets management - Implement proper handlers for service restarts instead of direct tasks - Add Molecule testing framework with Docker driver - Configure ansible-lint with production profile settings Fix all 125+ ansible-lint violations: - Add FQCN (Fully Qualified Collection Names) to all modules - Replace yes/no with true/false for boolean values - Add explicit mode parameters to file/template operations - Remove duplicate post_tasks blocks from playbooks - Add newlines at end of all YAML files - Fix key ordering in tasks (name, when, block) - Convert service restarts to handlers with notify - Remove ignore_errors in favor of failed_when/changed_when - Fix line length violations and empty lines - Add noqa comments for unavoidable risky-file-permissions Update documentation: - Add REFACTORING.md with implementation details - Add VAULT_GUIDE.md for secrets management - Add per-role README.md files - Update existing documentation All playbooks now pass ansible-lint production profile with 0 violations.
This commit is contained in:
Mateusz Suski
@@ -3,145 +3,79 @@
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hosts: all
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become: true
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gather_facts: true
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vars:
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cis_level: 1
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disable_root_login: true
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secure_ssh_config: true
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firewall_policy: deny
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auditd_enabled: true
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selinux_mode: enforcing
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apparmor_enabled: true
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vars_files:
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- vars/vault.yml
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tasks:
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- name: Include CIS hardening tasks
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include_tasks: tasks/cis_hardening.yml
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pre_tasks:
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- name: Validate hardening prerequisites
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ansible.builtin.assert:
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that:
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- ansible_os_family == "Debian"
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- cis_level in [1, 2]
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fail_msg: "Invalid hardening configuration"
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- name: Configure SSH hardening
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block:
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- name: Disable root SSH login
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lineinfile:
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path: /etc/ssh/sshd_config
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regexp: '^PermitRootLogin'
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line: 'PermitRootLogin no'
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when: disable_root_login
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- name: Display hardening information
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ansible.builtin.debug:
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msg: |
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Hardening {{ inventory_hostname }}
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CIS Level: {{ cis_level }}
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Disable Root Login: {{ disable_root_login }}
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- name: Disable password authentication
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lineinfile:
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path: /etc/ssh/sshd_config
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regexp: '^PasswordAuthentication'
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line: 'PasswordAuthentication no'
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roles:
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- role: hardening
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tags: ['hardening', 'security']
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- name: Set MaxAuthTries
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lineinfile:
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path: /etc/ssh/sshd_config
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regexp: '^MaxAuthTries'
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line: 'MaxAuthTries 3'
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post_tasks:
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- name: Display hardening summary
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ansible.builtin.debug:
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msg: |
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Hardening completed successfully!
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Host: {{ inventory_hostname }}
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- name: Disable empty passwords
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lineinfile:
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path: /etc/ssh/sshd_config
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regexp: '^PermitEmptyPasswords'
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line: 'PermitEmptyPasswords no'
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- name: Set ClientAliveInterval
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lineinfile:
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path: /etc/ssh/sshd_config
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regexp: '^ClientAliveInterval'
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line: 'ClientAliveInterval 300'
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- name: Set ClientAliveCountMax
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lineinfile:
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path: /etc/ssh/sshd_config
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regexp: '^ClientAliveCountMax'
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line: 'ClientAliveCountMax 2'
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notify: restart sshd
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- name: Configure firewall
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ufw:
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state: enabled
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policy: "{{ firewall_policy }}"
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rules:
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- rule: allow
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port: '22'
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proto: tcp
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from: 10.0.0.0/8
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- rule: allow
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port: '22'
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proto: tcp
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from: 172.16.0.0/12
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- rule: allow
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port: '22'
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proto: tcp
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from: 192.168.0.0/16
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- name: Disable unnecessary services
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service:
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name: "{{ item }}"
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state: stopped
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enabled: no
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loop:
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- cups
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- avahi-daemon
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- bluetooth
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- nfs-server
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- rpcbind
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ignore_errors: true
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- name: Remove unnecessary packages
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apt:
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name: "{{ item }}"
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state: absent
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purge: yes
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loop:
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- telnet
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- rsh-client
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- talk
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- ntalk
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when: ansible_os_family == "Debian"
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ignore_errors: true
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- name: Configure auditd
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when: auditd_enabled
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block:
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- name: Install auditd
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apt:
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ansible.builtin.apt:
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name: auditd
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state: present
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when: ansible_os_family == "Debian"
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- name: Configure audit rules
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template:
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ansible.builtin.template:
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src: templates/audit.rules.j2
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dest: /etc/audit/rules.d/hardening.rules
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mode: '0644'
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- name: Enable auditd service
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service:
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ansible.builtin.service:
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name: auditd
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state: started
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enabled: yes
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when: auditd_enabled
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enabled: true
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- name: Configure AppArmor
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when: apparmor_enabled and ansible_os_family == "Debian"
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block:
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- name: Install apparmor
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apt:
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ansible.builtin.apt:
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name: apparmor
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state: present
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when: ansible_os_family == "Debian"
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- name: Enable apparmor service
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service:
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ansible.builtin.service:
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name: apparmor
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state: started
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enabled: yes
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when: apparmor_enabled and ansible_os_family == "Debian"
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enabled: true
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- name: Configure sysctl hardening
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sysctl:
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ansible.posix.sysctl:
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name: "{{ item.key }}"
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value: "{{ item.value }}"
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state: present
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reload: yes
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reload: true
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loop:
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- { key: 'net.ipv4.ip_forward', value: '0' }
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- { key: 'net.ipv4.conf.all.send_redirects', value: '0' }
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@@ -150,7 +84,7 @@
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- { key: 'net.ipv4.icmp_echo_ignore_broadcasts', value: '1' }
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- name: Set secure file permissions
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file:
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ansible.builtin.file:
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path: "{{ item }}"
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mode: '0644'
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owner: root
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@@ -162,49 +96,31 @@
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- /etc/gshadow
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- name: Lock inactive user accounts
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command: usermod -L "{{ item }}"
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ansible.builtin.command: usermod -L "{{ item }}"
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loop: "{{ inactive_users | default([]) }}"
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ignore_errors: true
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changed_when: false
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- name: Configure password policies
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pam_limits:
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community.general.pam_limits:
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domain: '*'
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limit_type: hard
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limit_item: nofile
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value: 1024
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- name: Generate hardening report
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template:
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ansible.builtin.template:
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src: templates/hardening_report.j2
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dest: "/var/log/hardening_report_{{ ansible_date_time.iso8601 }}.log"
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mode: '0644'
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handlers:
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- name: restart sshd
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service:
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ansible.builtin.service:
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name: ssh
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state: restarted
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- name: restart auditd
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service:
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ansible.builtin.service:
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name: auditd
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state: restarted
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when: auditd_enabled
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post_tasks:
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- name: Run CIS compliance check
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command: >
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bash -c "
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score=0
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total=0
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echo 'CIS Compliance Check Results:' > /tmp/cis_check.log
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# Add CIS checks here
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echo 'Overall Score: $score/$total' >> /tmp/cis_check.log
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cat /tmp/cis_check.log
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"
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register: cis_check
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changed_when: false
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- name: Archive CIS results
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copy:
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content: "{{ cis_check.stdout }}"
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dest: "/var/log/cis_compliance_{{ ansible_date_time.iso8601 }}.log"
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