#!/usr/bin/python # -*- coding: utf-8 -*- # # (c) 2015, René Moser # # This file is part of Ansible # # Ansible is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # Ansible is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with Ansible. If not, see . DOCUMENTATION = ''' module: cs_firewall short_description: Manages firewall rules on Apache CloudStack based clouds. description: - Creates and removes firewall rules. version_added: '2.0' author: René Moser options: ip_address: description: - Public IP address the rule is assigned to. required: true state: description: - State of the firewall rule. required: false default: 'present' choices: [ 'present', 'absent' ] protocol: description: - Protocol of the firewall rule. required: false default: 'tcp' choices: [ 'tcp', 'udp', 'icmp' ] cidr: description: - CIDR (full notation) to be used for firewall rule. required: false default: '0.0.0.0/0' start_port: description: - Start port for this rule. Considered if C(protocol=tcp) or C(protocol=udp). required: false default: null end_port: description: - End port for this rule. Considered if C(protocol=tcp) or C(protocol=udp). required: false default: null icmp_type: description: - Type of the icmp message being sent. Considered if C(protocol=icmp). required: false default: null icmp_code: description: - Error code for this icmp message. Considered if C(protocol=icmp). required: false default: null project: description: - Name of the project. required: false default: null extends_documentation_fragment: cloudstack ''' EXAMPLES = ''' --- # Allow inbound port 80/tcp from 1.2.3.4 to 4.3.2.1 - local_action: module: cs_firewall ip_address: 4.3.2.1 start_port: 80 end_port: 80 cidr: 1.2.3.4/32 # Allow inbound tcp/udp port 53 to 4.3.2.1 - local_action: module: cs_firewall ip_address: 4.3.2.1 start_port: 53 end_port: 53 protocol: '{{ item }}' with_items: - tcp - udp # Ensure firewall rule is removed - local_action: module: cs_firewall ip_address: 4.3.2.1 start_port: 8000 end_port: 8888 cidr: 17.0.0.0/8 state: absent ''' try: from cs import CloudStack, CloudStackException, read_config has_lib_cs = True except ImportError: has_lib_cs = False # import cloudstack common from ansible.module_utils.cloudstack import * class AnsibleCloudStackFirewall(AnsibleCloudStack): def __init__(self, module): AnsibleCloudStack.__init__(self, module) self.result = { 'changed': False, } self.firewall_rule = None def get_firewall_rule(self): if not self.firewall_rule: cidr = self.module.params.get('cidr') protocol = self.module.params.get('protocol') start_port = self.module.params.get('start_port') end_port = self.module.params.get('end_port') icmp_code = self.module.params.get('icmp_code') icmp_type = self.module.params.get('icmp_type') if protocol in ['tcp', 'udp'] and not (start_port and end_port): self.module.fail_json(msg="no start_port or end_port set for protocol '%s'" % protocol) if protocol == 'icmp' and not icmp_type: self.module.fail_json(msg="no icmp_type set") args = {} args['ipaddressid'] = self.get_ip_address_id() args['projectid'] = self.get_project_id() firewall_rules = self.cs.listFirewallRules(**args) if firewall_rules and 'firewallrule' in firewall_rules: for rule in firewall_rules['firewallrule']: type_match = self._type_cidr_match(rule, cidr) protocol_match = self._tcp_udp_match(rule, protocol, start_port, end_port) \ or self._icmp_match(rule, protocol, icmp_code, icmp_type) if type_match and protocol_match: self.firewall_rule = rule break return self.firewall_rule def _tcp_udp_match(self, rule, protocol, start_port, end_port): return protocol in ['tcp', 'udp'] \ and protocol == rule['protocol'] \ and start_port == int(rule['startport']) \ and end_port == int(rule['endport']) def _icmp_match(self, rule, protocol, icmp_code, icmp_type): return protocol == 'icmp' \ and protocol == rule['protocol'] \ and icmp_code == rule['icmpcode'] \ and icmp_type == rule['icmptype'] def _type_cidr_match(self, rule, cidr): return cidr == rule['cidrlist'] def create_firewall_rule(self): firewall_rule = self.get_firewall_rule() if not firewall_rule: self.result['changed'] = True args = {} args['cidrlist'] = self.module.params.get('cidr') args['protocol'] = self.module.params.get('protocol') args['startport'] = self.module.params.get('start_port') args['endport'] = self.module.params.get('end_port') args['icmptype'] = self.module.params.get('icmp_type') args['icmpcode'] = self.module.params.get('icmp_code') args['ipaddressid'] = self.get_ip_address_id() if not self.module.check_mode: firewall_rule = self.cs.createFirewallRule(**args) return firewall_rule def remove_firewall_rule(self): firewall_rule = self.get_firewall_rule() if firewall_rule: self.result['changed'] = True args = {} args['id'] = firewall_rule['id'] if not self.module.check_mode: res = self.cs.deleteFirewallRule(**args) return firewall_rule def get_result(self, firewall_rule): return self.result def main(): module = AnsibleModule( argument_spec = dict( ip_address = dict(required=True, default=None), cidr = dict(default='0.0.0.0/0'), protocol = dict(choices=['tcp', 'udp', 'icmp'], default='tcp'), icmp_type = dict(type='int', default=None), icmp_code = dict(type='int', default=None), start_port = dict(type='int', default=None), end_port = dict(type='int', default=None), state = dict(choices=['present', 'absent'], default='present'), project = dict(default=None), api_key = dict(default=None), api_secret = dict(default=None), api_url = dict(default=None), api_http_method = dict(default='get'), ), required_together = ( ['start_port', 'end_port'], ), mutually_exclusive = ( ['icmp_type', 'start_port'], ['icmp_type', 'end_port'], ), supports_check_mode=True ) if not has_lib_cs: module.fail_json(msg="python library cs required: pip install cs") try: acs_fw = AnsibleCloudStackFirewall(module) state = module.params.get('state') if state in ['absent']: fw_rule = acs_fw.remove_firewall_rule() else: fw_rule = acs_fw.create_firewall_rule() result = acs_fw.get_result(fw_rule) except CloudStackException, e: module.fail_json(msg='CloudStackException: %s' % str(e)) module.exit_json(**result) # import module snippets from ansible.module_utils.basic import * main()