#!/usr/bin/python # -*- coding: utf-8 -*- # (c) 2019 Felix Fontein # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt) from __future__ import absolute_import, division, print_function __metaclass__ = type ANSIBLE_METADATA = {'metadata_version': '1.1', 'status': ['preview'], 'supported_by': 'community'} DOCUMENTATION = r''' --- module: hetzner_firewall_info short_description: Manage Hetzner's dedicated server firewall author: - Felix Fontein (@felixfontein) description: - Manage Hetzner's dedicated server firewall. seealso: - name: Firewall documentation description: Hetzner's documentation on the stateless firewall for dedicated servers link: https://wiki.hetzner.de/index.php/Robot_Firewall/en - module: hetzner_firewall description: Configure firewall. extends_documentation_fragment: - community.general.hetzner options: server_ip: description: The server's main IP address. type: str required: yes wait_for_configured: description: - Whether to wait until the firewall has been successfully configured before determining what to do, and before returning from the module. - The API returns status C(in progress) when the firewall is currently being configured. If this happens, the module will try again until the status changes to C(active) or C(disabled). - Please note that there is a request limit. If you have to do multiple updates, it can be better to disable waiting, and regularly use M(hetzner_firewall_info) to query status. type: bool default: yes wait_delay: description: - Delay to wait (in seconds) before checking again whether the firewall has been configured. type: int default: 10 timeout: description: - Timeout (in seconds) for waiting for firewall to be configured. type: int default: 180 ''' EXAMPLES = r''' - name: Get firewall configuration for server with main IP 1.2.3.4 hetzner_firewall_info: hetzner_user: foo hetzner_password: bar server_ip: 1.2.3.4 register: result - debug: msg: "{{ result.firewall }}" ''' RETURN = r''' firewall: description: - The firewall configuration. type: dict returned: success contains: port: description: - Switch port of firewall. - C(main) or C(kvm). type: str sample: main server_ip: description: - Server's main IP address. type: str sample: 1.2.3.4 server_number: description: - Hetzner's internal server number. type: int sample: 12345 status: description: - Status of the firewall. - C(active) or C(disabled). - Will be C(in process) if the firewall is currently updated, and I(wait_for_configured) is set to C(no) or I(timeout) to a too small value. type: str sample: active whitelist_hos: description: - Whether Hetzner services have access. type: bool sample: true rules: description: - Firewall rules. type: dict contains: input: description: - Input firewall rules. type: list elements: dict contains: name: description: - Name of the firewall rule. type: str sample: Allow HTTP access to server ip_version: description: - Internet protocol version. type: str sample: ipv4 dst_ip: description: - Destination IP address or subnet address. - CIDR notation. type: str sample: 1.2.3.4/32 dst_port: description: - Destination port or port range. type: str sample: "443" src_ip: description: - Source IP address or subnet address. - CIDR notation. type: str sample: null src_port: description: - Source port or port range. type: str sample: null protocol: description: - Protocol above IP layer type: str sample: tcp tcp_flags: description: - TCP flags or logical combination of flags. type: str sample: null action: description: - Action if rule matches. - C(accept) or C(discard). type: str sample: accept ''' from ansible.module_utils.basic import AnsibleModule from ansible_collections.community.general.plugins.module_utils.hetzner import ( HETZNER_DEFAULT_ARGUMENT_SPEC, BASE_URL, fetch_url_json, fetch_url_json_with_retries, CheckDoneTimeoutException, ) def firewall_configured(result, error): return result['firewall']['status'] != 'in process' def main(): argument_spec = dict( server_ip=dict(type='str', required=True), wait_for_configured=dict(type='bool', default=True), wait_delay=dict(type='int', default=10), timeout=dict(type='int', default=180), ) argument_spec.update(HETZNER_DEFAULT_ARGUMENT_SPEC) module = AnsibleModule( argument_spec=argument_spec, supports_check_mode=True, ) server_ip = module.params['server_ip'] # https://robot.your-server.de/doc/webservice/en.html#get-firewall-server-ip url = "{0}/firewall/{1}".format(BASE_URL, server_ip) if module.params['wait_for_configured']: try: result, error = fetch_url_json_with_retries( module, url, check_done_callback=firewall_configured, check_done_delay=module.params['wait_delay'], check_done_timeout=module.params['timeout'], ) except CheckDoneTimeoutException as dummy: module.fail_json(msg='Timeout while waiting for firewall to be configured.') else: result, error = fetch_url_json(module, url) firewall = result['firewall'] if not firewall.get('rules'): firewall['rules'] = dict() for ruleset in ['input']: firewall['rules'][ruleset] = [] module.exit_json( changed=False, firewall=firewall, ) if __name__ == '__main__': main()